314 openings, graded honestly.

All openings, most played first

• No. 1 most playedA at 600A at 1000A at 1400A at 1800

  King's Pawn GameB00

  1. e4

  50.2% for Whiten = 2,849,881 at 600 · 66.82% of band games50.0% for Whiten = 9,343,706 at 1000 · 65.95% of band games49.4% for Whiten = 6,813,943 at 1400 · 63.49% of band games49.1% for Whiten = 12,493,284 at 1800 · 59.74% of band games

• No. 2 most playedB at 600B at 1000C at 1400B at 1800

  King's Pawn GameC20

  1. e4 e5

  44.7% for Blackn = 1,775,723 at 600 · 41.63% of band games45.2% for Blackn = 5,115,257 at 1000 · 36.11% of band games45.4% for Blackn = 3,190,593 at 1400 · 29.73% of band games45.0% for Blackn = 4,409,977 at 1800 · 21.09% of band games

• No. 3 most playedS at 600S at 1000A at 1400A at 1800

  King's Knight OpeningC40

  1. e4 e5 2. Nf3

  52.1% for Whiten = 950,740 at 600 · 22.29% of band games51.3% for Whiten = 3,200,738 at 1000 · 22.59% of band games50.7% for Whiten = 1,979,043 at 1400 · 18.44% of band games50.5% for Whiten = 2,751,526 at 1800 · 13.16% of band games

• No. 4 most playedA at 600A at 1000A at 1400B at 1800

  Queen's Pawn GameA40

  1. d4

  49.9% for Whiten = 836,518 at 600 · 19.61% of band games50.9% for Whiten = 3,174,376 at 1000 · 22.41% of band games50.5% for Whiten = 2,614,908 at 1400 · 24.37% of band games50.1% for Whiten = 5,546,280 at 1800 · 26.52% of band games

• No. 5 most playedB at 600B at 1000C at 1400C at 1800

  King's Knight Opening: Normal VariationC44

  1. e4 e5 2. Nf3 Nc6

  45.2% for Blackn = 527,948 at 600 · 12.38% of band games45.2% for Blackn = 2,126,690 at 1000 · 15.01% of band games45.3% for Blackn = 1,313,622 at 1400 · 12.24% of band games44.9% for Blackn = 1,851,834 at 1800 · 8.86% of band games

• No. 6 most playedB at 600B at 1000C at 1400B at 1800

  Queen's Pawn GameD00

  1. d4 d5

  45.4% for Blackn = 457,398 at 600 · 10.72% of band games44.4% for Blackn = 1,684,690 at 1000 · 11.89% of band games44.5% for Blackn = 1,269,910 at 1400 · 11.83% of band games43.9% for Blackn = 2,338,822 at 1800 · 11.18% of band games

• No. 7 most playedA at 600A at 1000B at 1400B at 1800

  Italian GameC50

  1. e4 e5 2. Nf3 Nc6 3. Bc4

  52.0% for Whiten = 217,726 at 600 · 5.10% of band games50.9% for Whiten = 965,410 at 1000 · 6.81% of band games50.3% for Whiten = 602,367 at 1400 · 5.61% of band games49.8% for Whiten = 833,888 at 1800 · 3.99% of band games

• No. 8 most playedB at 600B at 1000B at 1400B at 1800

  Scandinavian DefenseB01

  1. e4 d5

  45.8% for Blackn = 306,387 at 600 · 7.18% of band games46.3% for Blackn = 947,614 at 1000 · 6.69% of band games47.4% for Blackn = 669,283 at 1400 · 6.24% of band games47.3% for Blackn = 1,232,963 at 1800 · 5.90% of band games

• No. 9 most playedB at 600B at 1000B at 1400A at 1800

  Sicilian DefenseB20

  1. e4 c5

  48.8% for Blackn = 130,324 at 600 · 3.06% of band games49.1% for Blackn = 850,797 at 1000 · 6.01% of band games48.8% for Blackn = 937,107 at 1400 · 8.73% of band games47.6% for Blackn = 2,610,015 at 1800 · 12.48% of band games

• No. 10 most playedB at 600A at 1000A at 1400B at 1800

  French DefenseC00

  1. e4 e6

  47.3% for Blackn = 163,083 at 600 · 3.82% of band games48.1% for Blackn = 724,903 at 1000 · 5.12% of band games48.4% for Blackn = 632,985 at 1400 · 5.90% of band games47.5% for Blackn = 1,355,032 at 1800 · 6.48% of band games

• No. 11 most playedB at 600B at 1000B at 1400B at 1800

  Caro-Kann DefenseB10

  1. e4 c6

  49.1% for Blackn = 127,035 at 600 · 2.98% of band games48.7% for Blackn = 658,827 at 1000 · 4.65% of band games48.9% for Blackn = 576,216 at 1400 · 5.37% of band games47.5% for Blackn = 1,246,228 at 1800 · 5.96% of band games

• No. 12 most playedA at 600A at 1000B at 1400B at 1800

  Bishop's OpeningC23

  1. e4 e5 2. Bc4

  50.9% for Whiten = 228,138 at 600 · 5.35% of band games51.0% for Whiten = 582,830 at 1000 · 4.11% of band games50.8% for Whiten = 385,812 at 1400 · 3.59% of band games50.1% for Whiten = 446,473 at 1800 · 2.13% of band games

• No. 13 most playedS at 600A at 1000A at 1400A at 1800

  Queen's GambitD06

  1. d4 d5 2. c4

  53.7% for Whiten = 77,143 at 600 · 1.81% of band games53.3% for Whiten = 455,625 at 1000 · 3.22% of band games52.8% for Whiten = 415,763 at 1400 · 3.87% of band games51.9% for Whiten = 911,642 at 1800 · 4.36% of band games

• No. 14 most playedC at 600C at 1000B at 1400C at 1800

  Philidor DefenseC41

  1. e4 e5 2. Nf3 d6

  43.5% for Blackn = 106,766 at 600 · 2.50% of band games45.0% for Blackn = 451,204 at 1000 · 3.18% of band games45.5% for Blackn = 326,807 at 1400 · 3.05% of band games44.4% for Blackn = 443,787 at 1800 · 2.12% of band games

• No. 15 most playedA at 600B at 1000B at 1400B at 1800

  Queen's Pawn Game: Accelerated London SystemD00

  1. d4 d5 2. Bf4

  53.0% for Whiten = 99,835 at 600 · 2.34% of band games52.4% for Whiten = 438,927 at 1000 · 3.10% of band games51.1% for Whiten = 298,278 at 1400 · 2.78% of band games50.4% for Whiten = 443,721 at 1800 · 2.12% of band games

• No. 16 most playedD at 600C at 1000B at 1400B at 1800

  Scandinavian Defense: Mieses-Kotroc VariationB01

  1. e4 d5 2. exd5 Qxd5

  41.7% for Blackn = 96,492 at 600 · 2.26% of band games43.6% for Blackn = 433,246 at 1000 · 3.06% of band games46.0% for Blackn = 339,514 at 1400 · 3.16% of band games46.5% for Blackn = 608,396 at 1800 · 2.91% of band games

• No. 17 most playedA at 600A at 1000A at 1400A at 1800

  Scotch GameC44

  1. e4 e5 2. Nf3 Nc6 3. d4

  52.9% for Whiten = 75,690 at 600 · 1.77% of band games54.1% for Whiten = 394,743 at 1000 · 2.79% of band games53.2% for Whiten = 282,455 at 1400 · 2.63% of band games52.3% for Whiten = 407,445 at 1800 · 1.95% of band games

• No. 18 most playedB at 600B at 1000B at 1400B at 1800

  Sicilian DefenseB27

  1. e4 c5 2. Nf3

  49.3% for Whiten = 44,473 at 600 · 1.04% of band games48.4% for Whiten = 385,369 at 1000 · 2.72% of band games48.1% for Whiten = 466,086 at 1400 · 4.34% of band games48.0% for Whiten = 1,381,673 at 1800 · 6.61% of band games

• No. 19 most playedC at 600C at 1000B at 1400B at 1800

  Italian Game: Two Knights DefenseC55

  1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6

  43.4% for Blackn = 103,069 at 600 · 2.42% of band games44.6% for Blackn = 375,890 at 1000 · 2.65% of band games45.6% for Blackn = 207,526 at 1400 · 1.93% of band games46.0% for Blackn = 287,973 at 1800 · 1.38% of band games

• No. 20 most playedA at 600A at 1000A at 1400A at 1800

  Ruy LopezC60

  1. e4 e5 2. Nf3 Nc6 3. Bb5

  51.7% for Whiten = 64,749 at 600 · 1.52% of band games51.6% for Whiten = 369,070 at 1000 · 2.61% of band games51.3% for Whiten = 251,104 at 1400 · 2.34% of band games51.4% for Whiten = 407,219 at 1800 · 1.95% of band games

• No. 21 most playedB at 600C at 1000C at 1400B at 1800

  Three Knights OpeningC46

  1. e4 e5 2. Nf3 Nc6 3. Nc3

  47.9% for Whiten = 152,369 at 600 · 3.57% of band games48.1% for Whiten = 366,559 at 1000 · 2.59% of band games48.3% for Whiten = 168,111 at 1400 · 1.57% of band games49.9% for Whiten = 187,434 at 1800 · 0.90% of band games

• No. 22 most playedB at 600B at 1000B at 1400B at 1800

  Indian DefenseA45

  1. d4 Nf6

  48.4% for Blackn = 60,759 at 600 · 1.42% of band games47.2% for Blackn = 338,880 at 1000 · 2.39% of band games47.2% for Blackn = 360,947 at 1400 · 3.36% of band games46.6% for Blackn = 1,156,290 at 1800 · 5.53% of band games

• No. 23 most playedB at 600A at 1000A at 1400A at 1800

  Zukertort OpeningA04

  1. Nf3

  48.2% for Whiten = 114,838 at 600 · 2.69% of band games49.9% for Whiten = 336,836 at 1000 · 2.38% of band games50.3% for Whiten = 260,541 at 1400 · 2.43% of band games50.8% for Whiten = 644,679 at 1800 · 3.08% of band games

• No. 24 most playedB at 600B at 1000B at 1400B at 1800

  Vienna GameC25

  1. e4 e5 2. Nc3

  49.5% for Whiten = 114,542 at 600 · 2.69% of band games50.7% for Whiten = 332,383 at 1000 · 2.35% of band games51.1% for Whiten = 229,998 at 1400 · 2.14% of band games51.7% for Whiten = 323,236 at 1800 · 1.55% of band games

• No. 25 most playedB at 600A at 1000A at 1400A at 1800

  Center GameC20

  1. e4 e5 2. d4

  49.6% for Whiten = 111,727 at 600 · 2.62% of band games51.0% for Whiten = 329,560 at 1000 · 2.33% of band games52.2% for Whiten = 191,440 at 1400 · 1.78% of band games53.1% for Whiten = 277,754 at 1800 · 1.33% of band games

• No. 26 most playedB at 600B at 1000B at 1400B at 1800

  Pirc DefenseB00

  1. e4 d6

  45.9% for Blackn = 89,921 at 600 · 2.11% of band games46.6% for Blackn = 321,699 at 1000 · 2.27% of band games46.7% for Blackn = 241,975 at 1400 · 2.25% of band games46.8% for Blackn = 522,930 at 1800 · 2.50% of band games

• No. 27 most playedB at 600B at 1000B at 1400B at 1800

  Queen's Pawn Game: Zukertort VariationD02

  1. d4 d5 2. Nf3

  50.0% for Whiten = 86,430 at 600 · 2.03% of band games51.1% for Whiten = 311,568 at 1000 · 2.20% of band games51.1% for Whiten = 240,861 at 1400 · 2.24% of band games50.9% for Whiten = 493,700 at 1800 · 2.36% of band games

• No. 28 most playedB at 600B at 1000B at 1400B at 1800

  French Defense: Normal VariationC00

  1. e4 e6 2. d4

  50.2% for Whiten = 59,304 at 600 · 1.39% of band games49.3% for Whiten = 308,923 at 1000 · 2.18% of band games48.7% for Whiten = 295,280 at 1400 · 2.75% of band games48.5% for Whiten = 736,226 at 1800 · 3.52% of band games

• No. 29 most playedD at 600C at 1000C at 1400C at 1800

  Petrov's DefenseC42

  1. e4 e5 2. Nf3 Nf6

  40.7% for Blackn = 142,567 at 600 · 3.34% of band games44.4% for Blackn = 301,435 at 1000 · 2.13% of band games46.3% for Blackn = 182,358 at 1400 · 1.70% of band games46.1% for Blackn = 270,039 at 1800 · 1.29% of band games

• No. 30 most playedB at 600B at 1000B at 1400B at 1800

  Van't Kruijs OpeningA00

  1. e3

  46.7% for Whiten = 127,956 at 600 · 3.00% of band games47.4% for Whiten = 290,446 at 1000 · 2.05% of band games47.4% for Whiten = 175,330 at 1400 · 1.63% of band games47.3% for Whiten = 252,191 at 1800 · 1.21% of band games

• No. 31 most playedC at 600C at 1000B at 1400B at 1800

  Horwitz DefenseA40

  1. d4 e6

  45.1% for Blackn = 74,974 at 600 · 1.76% of band games45.3% for Blackn = 289,062 at 1000 · 2.04% of band games45.3% for Blackn = 252,437 at 1400 · 2.35% of band games44.8% for Blackn = 516,276 at 1800 · 2.47% of band games

• No. 32 most playedB at 600C at 1000C at 1400C at 1800

  Scotch GameC44

  1. e4 e5 2. Nf3 Nc6 3. d4 exd4

  44.7% for Blackn = 36,714 at 600 · 0.86% of band games43.3% for Blackn = 272,516 at 1000 · 1.92% of band games43.4% for Blackn = 232,950 at 1400 · 2.17% of band games43.3% for Blackn = 370,720 at 1800 · 1.77% of band games

• No. 33 most playedC at 600B at 1000B at 1400B at 1800

  Englund GambitA40

  1. d4 e5

  43.7% for Blackn = 83,695 at 600 · 1.96% of band games47.3% for Blackn = 268,668 at 1000 · 1.90% of band games48.1% for Blackn = 205,528 at 1400 · 1.92% of band games47.1% for Blackn = 327,688 at 1800 · 1.57% of band games

• No. 34 most playedB at 600C at 1000C at 1400D at 1800

  Four Knights GameC47

  1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6

  45.5% for Blackn = 128,211 at 600 · 3.01% of band games46.6% for Blackn = 268,414 at 1000 · 1.89% of band games46.7% for Blackn = 120,143 at 1400 · 1.12% of band games45.4% for Blackn = 149,398 at 1800 · 0.71% of band games

• No. 35 most playedB at 600B at 1000B at 1400B at 1800

  French Defense: Knight VariationC00

  1. e4 e6 2. Nf3

  49.7% for Whiten = 58,759 at 600 · 1.38% of band games48.1% for Whiten = 266,170 at 1000 · 1.88% of band games47.6% for Whiten = 210,542 at 1400 · 1.96% of band games47.1% for Whiten = 361,148 at 1800 · 1.73% of band games

• No. 36 most playedA at 600B at 1000A at 1400A at 1800

  English OpeningA10

  1. c4

  48.5% for Whiten = 57,286 at 600 · 1.34% of band games51.2% for Whiten = 265,462 at 1000 · 1.87% of band games51.2% for Whiten = 270,653 at 1400 · 2.52% of band games50.7% for Whiten = 741,296 at 1800 · 3.54% of band games

• No. 37 most playedC at 600B at 1000B at 1400B at 1800

  Italian Game: Giuoco PianoC50

  1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5

  45.8% for Blackn = 53,841 at 600 · 1.26% of band games47.0% for Blackn = 262,080 at 1000 · 1.85% of band games46.8% for Blackn = 190,700 at 1400 · 1.78% of band games46.3% for Blackn = 305,864 at 1800 · 1.46% of band games

• No. 38 most playedB at 600A at 1000A at 1400B at 1800

  Caro-Kann DefenseB12

  1. e4 c6 2. d4

  49.9% for Whiten = 41,385 at 600 · 0.97% of band games49.7% for Whiten = 259,700 at 1000 · 1.83% of band games48.9% for Whiten = 245,998 at 1400 · 2.29% of band games49.0% for Whiten = 631,289 at 1800 · 3.02% of band games

• No. 39 most playedC at 600B at 1000B at 1400B at 1800

  Caro-Kann DefenseB12

  1. e4 c6 2. d4 d5

  47.0% for Blackn = 38,371 at 600 · 0.90% of band games47.0% for Blackn = 246,316 at 1000 · 1.74% of band games47.5% for Blackn = 234,556 at 1400 · 2.19% of band games46.4% for Blackn = 601,053 at 1800 · 2.87% of band games

• No. 40 most playedA at 600B at 1000B at 1400B at 1800

  Philidor DefenseC41

  1. e4 e5 2. Nf3 d6 3. Bc4

  52.9% for Whiten = 42,445 at 600 · 1.00% of band games50.8% for Whiten = 211,998 at 1000 · 1.50% of band games50.2% for Whiten = 152,319 at 1400 · 1.42% of band games50.5% for Whiten = 198,254 at 1800 · 0.95% of band games

• No. 41 most playedB at 600B at 1000B at 1400B at 1800

  Queen's Pawn GameD00

  1. d4 d5 2. e3

  47.2% for Whiten = 73,350 at 600 · 1.72% of band games49.6% for Whiten = 207,171 at 1000 · 1.46% of band games50.2% for Whiten = 137,781 at 1400 · 1.28% of band games50.0% for Whiten = 206,615 at 1800 · 0.99% of band games

• No. 42 most playedB at 600B at 1000B at 1400B at 1800

  Modern DefenseB06

  1. e4 g6

  47.8% for Blackn = 39,789 at 600 · 0.93% of band games47.3% for Blackn = 201,267 at 1000 · 1.42% of band games47.2% for Blackn = 192,251 at 1400 · 1.79% of band games46.4% for Blackn = 402,250 at 1800 · 1.92% of band games

• No. 43 most playedB at 600C at 1000C at 1400C at 1800

  Bishop's Opening: Berlin DefenseC24

  1. e4 e5 2. Bc4 Nf6

  48.7% for Blackn = 76,128 at 600 · 1.78% of band games46.1% for Blackn = 197,739 at 1000 · 1.40% of band games45.3% for Blackn = 118,081 at 1400 · 1.10% of band games45.5% for Blackn = 138,734 at 1800 · 0.66% of band games

• No. 44 most playedB at 600C at 1000C at 1400D at 1800

  Four Knights Game: Italian VariationC47

  1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3

  50.1% for Whiten = 89,993 at 600 · 2.11% of band games48.7% for Whiten = 196,184 at 1000 · 1.38% of band games47.4% for Whiten = 85,069 at 1400 · 0.79% of band games46.6% for Whiten = 95,387 at 1800 · 0.46% of band games

• No. 45 most playedC at 600C at 1000B at 1400B at 1800

  Sicilian Defense: Old SicilianB30

  1. e4 c5 2. Nf3 Nc6

  47.4% for Blackn = 20,270 at 600 · 0.48% of band games48.1% for Blackn = 190,959 at 1000 · 1.35% of band games47.7% for Blackn = 231,635 at 1400 · 2.16% of band games46.8% for Blackn = 649,527 at 1800 · 3.11% of band games

• No. 46 most playedA at 600C at 1000C at 1400D at 1800

  Center Game AcceptedC21

  1. e4 e5 2. d4 exd4

  50.0% for Blackn = 42,251 at 600 · 0.99% of band games47.8% for Blackn = 190,895 at 1000 · 1.35% of band games45.5% for Blackn = 132,349 at 1400 · 1.23% of band games43.4% for Blackn = 207,511 at 1800 · 0.99% of band games

• No. 47 most playedB at 600B at 1000B at 1400B at 1800

  Queen's Pawn Game: Chigorin VariationD00

  1. d4 d5 2. Nc3

  48.8% for Whiten = 74,014 at 600 · 1.74% of band games50.4% for Whiten = 184,843 at 1000 · 1.30% of band games49.9% for Whiten = 111,703 at 1400 · 1.04% of band games50.5% for Whiten = 172,756 at 1800 · 0.83% of band games

• No. 48 most playedB at 600B at 1000B at 1400B at 1800

  French DefenseC00

  1. e4 e6 2. d4 d5

  48.0% for Blackn = 28,060 at 600 · 0.66% of band games48.3% for Blackn = 181,193 at 1000 · 1.28% of band games48.7% for Blackn = 189,927 at 1400 · 1.77% of band games47.5% for Blackn = 540,213 at 1800 · 2.58% of band games

• No. 49 most playedC at 600B at 1000B at 1400B at 1800

  Scotch GameC45

  1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4

  51.2% for Whiten = 24,911 at 600 · 0.58% of band games52.2% for Whiten = 168,092 at 1000 · 1.19% of band games51.7% for Whiten = 138,276 at 1400 · 1.29% of band games51.4% for Whiten = 213,580 at 1800 · 1.02% of band games

• No. 50 most playedC at 600C at 1000C at 1400D at 1800

  Italian Game: Anti-Fried Liver DefenseC50

  1. e4 e5 2. Nf3 Nc6 3. Bc4 h6

  47.4% for Blackn = 20,076 at 600 · 0.47% of band games45.4% for Blackn = 167,407 at 1000 · 1.18% of band games44.4% for Blackn = 101,486 at 1400 · 0.95% of band games42.8% for Blackn = 86,677 at 1800 · 0.41% of band games

• No. 51 most playedD at 600D at 1000D at 1400D at 1800

  Queen's Gambit AcceptedD20

  1. d4 d5 2. c4 dxc4

  41.7% for Blackn = 34,031 at 600 · 0.80% of band games41.1% for Blackn = 164,935 at 1000 · 1.16% of band games41.2% for Blackn = 115,410 at 1400 · 1.08% of band games41.4% for Blackn = 172,455 at 1800 · 0.82% of band games

• No. 52 most playedB at 600A at 1000B at 1400B at 1800

  King's GambitC30

  1. e4 e5 2. f4

  50.9% for Whiten = 27,129 at 600 · 0.64% of band games53.6% for Whiten = 164,805 at 1000 · 1.16% of band games53.4% for Whiten = 182,940 at 1400 · 1.70% of band games51.3% for Whiten = 400,353 at 1800 · 1.91% of band games

• No. 53 most playedA at 600B at 1000B at 1400B at 1800

  King's Pawn Game: Wayward Queen AttackC20

  1. e4 e5 2. Qh5

  50.3% for Whiten = 162,535 at 600 · 3.81% of band games49.3% for Whiten = 160,451 at 1000 · 1.13% of band games49.1% for Whiten = 40,006 at 1400 · 0.37% of band games51.8% for Whiten = 26,386 at 1800 · 0.13% of band games

• No. 54 most playedC at 600C at 1000C at 1400C at 1800

  King's Pawn Game: Leonardis VariationC20

  1. e4 e5 2. d3

  45.8% for Whiten = 64,907 at 600 · 1.52% of band games47.6% for Whiten = 159,311 at 1000 · 1.12% of band games47.7% for Whiten = 91,930 at 1400 · 0.86% of band games48.0% for Whiten = 93,626 at 1800 · 0.45% of band games

• No. 55 most playedA at 600B at 1000C at 1400C at 1800

  Petrov's Defense: Three Knights GameC42

  1. e4 e5 2. Nf3 Nf6 3. Nc3

  52.7% for Whiten = 72,984 at 600 · 1.71% of band games51.4% for Whiten = 154,188 at 1000 · 1.09% of band games50.1% for Whiten = 88,760 at 1400 · 0.83% of band games49.2% for Whiten = 124,511 at 1800 · 0.60% of band games

• No. 56 most playedB at 600B at 1000B at 1400B at 1800

  Hungarian OpeningA00

  1. g3

  48.9% for Whiten = 41,973 at 600 · 0.98% of band games49.1% for Whiten = 153,628 at 1000 · 1.08% of band games48.9% for Whiten = 125,762 at 1400 · 1.17% of band games49.1% for Whiten = 237,894 at 1800 · 1.14% of band games

• No. 57 most playedC at 600B at 1000B at 1400B at 1800

  Owen DefenseB00

  1. e4 b6

  45.8% for Blackn = 29,267 at 600 · 0.69% of band games46.8% for Blackn = 147,272 at 1000 · 1.04% of band games46.9% for Blackn = 141,803 at 1400 · 1.32% of band games45.7% for Blackn = 249,606 at 1800 · 1.19% of band games

• No. 58 most playedC at 600C at 1000B at 1400B at 1800

  Sicilian Defense: Bowdler AttackB20

  1. e4 c5 2. Bc4

  46.9% for Whiten = 23,888 at 600 · 0.56% of band games46.0% for Whiten = 146,640 at 1000 · 1.04% of band games46.0% for Whiten = 138,041 at 1400 · 1.29% of band games45.9% for Whiten = 231,195 at 1800 · 1.11% of band games

• No. 59 most playedA at 600B at 1000B at 1400B at 1800

  Pirc DefenseB00

  1. e4 d6 2. d4

  50.2% for Whiten = 33,532 at 600 · 0.79% of band games49.9% for Whiten = 145,937 at 1000 · 1.03% of band games49.7% for Whiten = 117,113 at 1400 · 1.09% of band games49.0% for Whiten = 299,093 at 1800 · 1.43% of band games

• No. 60 most playedC at 600C at 1000C at 1400C at 1800

  Nimzowitsch DefenseB00

  1. e4 Nc6

  43.3% for Blackn = 54,348 at 600 · 1.27% of band games44.7% for Blackn = 143,537 at 1000 · 1.01% of band games45.2% for Blackn = 89,107 at 1400 · 0.83% of band games47.2% for Blackn = 167,979 at 1800 · 0.80% of band games

• No. 61 most playedA at 600C at 1000C at 1400C at 1800

  Caro-Kann Defense: Advance VariationB12

  1. e4 c6 2. d4 d5 3. e5

  51.9% for Whiten = 16,212 at 600 · 0.38% of band games49.2% for Whiten = 133,351 at 1000 · 0.94% of band games47.5% for Whiten = 115,529 at 1400 · 1.08% of band games47.2% for Whiten = 224,223 at 1800 · 1.07% of band games

• No. 62 most playedC at 600B at 1000C at 1400B at 1800

  French Defense: Advance VariationC02

  1. e4 e6 2. d4 d5 3. e5

  50.5% for Whiten = 19,644 at 600 · 0.46% of band games47.7% for Whiten = 130,608 at 1000 · 0.92% of band games45.7% for Whiten = 109,055 at 1400 · 1.02% of band games45.8% for Whiten = 202,113 at 1800 · 0.97% of band games

• No. 63 most playedB at 600C at 1000C at 1400D at 1800

  Zukertort OpeningA06

  1. Nf3 d5

  48.0% for Blackn = 41,610 at 600 · 0.98% of band games46.3% for Blackn = 130,039 at 1000 · 0.92% of band games45.4% for Blackn = 96,400 at 1400 · 0.90% of band games43.8% for Blackn = 231,460 at 1800 · 1.11% of band games

• No. 64 most playedC at 600C at 1000B at 1400D at 1800

  Four Knights Game: Italian VariationC50

  1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6

  45.7% for Blackn = 60,128 at 600 · 1.41% of band games47.0% for Blackn = 129,405 at 1000 · 0.91% of band games48.0% for Blackn = 60,101 at 1400 · 0.56% of band games47.5% for Blackn = 67,912 at 1800 · 0.32% of band games

• No. 65 most playedS at 600S at 1000B at 1400C at 1800

  Italian Game: Two Knights Defense, Knight AttackC57

  1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5

  56.6% for Whiten = 37,919 at 600 · 0.89% of band games54.4% for Whiten = 127,363 at 1000 · 0.90% of band games51.8% for Whiten = 59,351 at 1400 · 0.55% of band games50.2% for Whiten = 72,587 at 1800 · 0.35% of band games

• No. 66 most playedA at 600B at 1000B at 1400A at 1800

  Philidor DefenseC41

  1. e4 e5 2. Nf3 d6 3. d4

  53.2% for Whiten = 25,012 at 600 · 0.59% of band games52.1% for Whiten = 121,586 at 1000 · 0.86% of band games51.7% for Whiten = 101,052 at 1400 · 0.94% of band games51.9% for Whiten = 166,111 at 1800 · 0.79% of band games

• No. 67 most playedC at 600C at 1000D at 1400D at 1800

  Vienna Game: Max Lange DefenseC25

  1. e4 e5 2. Nc3 Nc6

  46.2% for Blackn = 33,907 at 600 · 0.80% of band games46.1% for Blackn = 121,391 at 1000 · 0.86% of band games45.8% for Blackn = 90,896 at 1400 · 0.85% of band games44.4% for Blackn = 138,964 at 1800 · 0.66% of band games

• No. 68 most playedC at 600C at 1000D at 1400D at 1800

  Queen's Pawn Game: Chigorin VariationD02

  1. d4 d5 2. Nf3 Nc6

  46.3% for Blackn = 37,955 at 600 · 0.89% of band games44.2% for Blackn = 120,471 at 1000 · 0.85% of band games43.1% for Blackn = 71,973 at 1400 · 0.67% of band games41.8% for Blackn = 100,898 at 1800 · 0.48% of band games

• No. 69 most playedC at 600C at 1000C at 1400C at 1800

  English Opening: King's English VariationA20

  1. c4 e5

  47.7% for Blackn = 27,762 at 600 · 0.65% of band games45.2% for Blackn = 119,515 at 1000 · 0.84% of band games44.5% for Blackn = 105,512 at 1400 · 0.98% of band games43.7% for Blackn = 221,158 at 1800 · 1.06% of band games

• No. 70 most playedA at 600A at 1000A at 1400B at 1800

  Nimzo-Larsen AttackA01

  1. b3

  48.7% for Whiten = 25,312 at 600 · 0.59% of band games49.9% for Whiten = 117,782 at 1000 · 0.83% of band games50.1% for Whiten = 116,665 at 1400 · 1.09% of band games49.3% for Whiten = 232,339 at 1800 · 1.11% of band games

• No. 71 most playedB at 600B at 1000B at 1400B at 1800

  Italian Game: Two Knights Defense, Modern Bishop's OpeningC55

  1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3

  52.3% for Whiten = 24,163 at 600 · 0.57% of band games51.5% for Whiten = 117,165 at 1000 · 0.83% of band games51.5% for Whiten = 72,884 at 1400 · 0.68% of band games50.3% for Whiten = 108,174 at 1800 · 0.52% of band games

• No. 72 most playedC at 600D at 1000D at 1400D at 1800

  Vienna Game: Falkbeer VariationC26

  1. e4 e5 2. Nc3 Nf6

  46.3% for Blackn = 47,914 at 600 · 1.12% of band games44.6% for Blackn = 116,988 at 1000 · 0.83% of band games44.2% for Blackn = 70,179 at 1400 · 0.65% of band games43.8% for Blackn = 105,885 at 1800 · 0.51% of band games

• No. 73 most playedB at 600B at 1000B at 1400B at 1800

  Queen's Pawn Game: Modern DefenseA40

  1. d4 g6

  49.1% for Blackn = 17,932 at 600 · 0.42% of band games47.7% for Blackn = 113,724 at 1000 · 0.80% of band games47.3% for Blackn = 119,087 at 1400 · 1.11% of band games46.2% for Blackn = 258,151 at 1800 · 1.23% of band games

• No. 74 most playedC at 600C at 1000C at 1400C at 1800

  Queen's Gambit DeclinedD30

  1. d4 d5 2. c4 e6

  44.1% for Blackn = 14,070 at 600 · 0.33% of band games44.4% for Blackn = 112,347 at 1000 · 0.79% of band games44.4% for Blackn = 128,803 at 1400 · 1.20% of band games44.1% for Blackn = 353,257 at 1800 · 1.69% of band games

• No. 75 most playedB at 600B at 1000B at 1400B at 1800

  Queen's Pawn GameA41

  1. d4 d6

  46.0% for Blackn = 31,467 at 600 · 0.74% of band games45.9% for Blackn = 112,305 at 1000 · 0.79% of band games46.7% for Blackn = 86,083 at 1400 · 0.80% of band games46.9% for Blackn = 192,947 at 1800 · 0.92% of band games

• No. 76 most playedC at 600D at 1000D at 1400D at 1800

  King's Pawn Game: Busch-Gass GambitC40

  1. e4 e5 2. Nf3 Bc5

  43.0% for Blackn = 55,271 at 600 · 1.30% of band games44.2% for Blackn = 105,995 at 1000 · 0.75% of band games45.4% for Blackn = 61,848 at 1400 · 0.58% of band games44.4% for Blackn = 62,192 at 1800 · 0.30% of band games

• No. 77 most playedB at 600C at 1000C at 1400B at 1800

  Center GameC21

  1. e4 e5 2. d4 exd4 3. Qxd4

  44.3% for Whiten = 28,387 at 600 · 0.67% of band games45.5% for Whiten = 105,249 at 1000 · 0.74% of band games47.0% for Whiten = 50,189 at 1400 · 0.47% of band games50.8% for Whiten = 50,468 at 1800 · 0.24% of band games

• No. 78 most playedC at 600C at 1000C at 1400B at 1800

  Alekhine DefenseB02

  1. e4 Nf6

  43.7% for Blackn = 71,999 at 600 · 1.69% of band games44.2% for Blackn = 104,834 at 1000 · 0.74% of band games46.9% for Blackn = 64,296 at 1400 · 0.60% of band games48.9% for Blackn = 180,096 at 1800 · 0.86% of band games

• No. 79 most playedB at 600B at 1000B at 1400C at 1800

  Petrov's Defense: Italian VariationC42

  1. e4 e5 2. Nf3 Nf6 3. Bc4

  51.2% for Whiten = 48,221 at 600 · 1.13% of band games52.0% for Whiten = 104,420 at 1000 · 0.74% of band games51.5% for Whiten = 57,749 at 1400 · 0.54% of band games49.7% for Whiten = 72,970 at 1800 · 0.35% of band games

• No. 80 most playedC at 600B at 1000B at 1400B at 1800

  Bird OpeningA02

  1. f4

  43.8% for Whiten = 30,145 at 600 · 0.71% of band games49.0% for Whiten = 104,297 at 1000 · 0.74% of band games49.9% for Whiten = 97,912 at 1400 · 0.91% of band games50.0% for Whiten = 269,015 at 1800 · 1.29% of band games

• No. 81 most playedC at 600D at 1000C at 1400C at 1800

  Scandinavian Defense: Valencian VariationB01

  1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8

  41.5% for Blackn = 14,606 at 600 · 0.34% of band games43.8% for Blackn = 102,584 at 1000 · 0.72% of band games45.8% for Blackn = 92,354 at 1400 · 0.86% of band games45.1% for Blackn = 162,749 at 1800 · 0.78% of band games

• No. 82 most playedC at 600C at 1000C at 1400C at 1800

  Queen's Pawn Game: Chigorin VariationA45

  1. d4 Nf6 2. Nc3 d5

  47.9% for Blackn = 34,870 at 600 · 0.82% of band games45.6% for Blackn = 102,142 at 1000 · 0.72% of band games46.3% for Blackn = 63,432 at 1400 · 0.59% of band games45.4% for Blackn = 113,689 at 1800 · 0.54% of band games

• No. 83 most playedB at 600S at 1000A at 1400S at 1800

  Scotch Game: Lolli VariationC44

  1. e4 e5 2. Nf3 Nc6 3. d4 Nxd4 4. Nxd4 exd4 5. Qxd4

  54.0% for Whiten = 15,804 at 600 · 0.37% of band games54.7% for Whiten = 100,373 at 1000 · 0.71% of band games54.5% for Whiten = 70,745 at 1400 · 0.66% of band games54.8% for Whiten = 76,148 at 1800 · 0.36% of band games

• No. 84 most playedC at 600C at 1000B at 1400B at 1800

  Scandinavian Defense: Main LineB01

  1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5

  45.5% for Blackn = 11,808 at 600 · 0.28% of band games47.3% for Blackn = 96,635 at 1000 · 0.68% of band games48.4% for Blackn = 87,418 at 1400 · 0.81% of band games48.6% for Blackn = 160,509 at 1800 · 0.77% of band games

• No. 85 most playedD at 600D at 1000D at 1400D at 1800

  Queen's Gambit Declined: Marshall DefenseD06

  1. d4 d5 2. c4 Nf6

  44.2% for Blackn = 14,374 at 600 · 0.34% of band games43.5% for Blackn = 96,039 at 1000 · 0.68% of band games43.0% for Blackn = 89,013 at 1400 · 0.83% of band games42.3% for Blackn = 178,384 at 1800 · 0.85% of band games

• No. 86 most playedC at 600C at 1000B at 1400B at 1800

  Sicilian Defense: Modern VariationsB50

  1. e4 c5 2. Nf3 d6

  48.0% for Blackn = 10,490 at 600 · 0.25% of band games48.6% for Blackn = 95,162 at 1000 · 0.67% of band games48.7% for Blackn = 119,088 at 1400 · 1.11% of band games47.5% for Blackn = 380,603 at 1800 · 1.82% of band games

• No. 87 most playedD at 600D at 1000D at 1400D at 1800

  Italian Game: Two Knights Defense, Knight Attack, Normal VariationC57

  1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5

  44.9% for Blackn = 20,854 at 600 · 0.49% of band games43.7% for Blackn = 92,122 at 1000 · 0.65% of band games45.6% for Blackn = 46,331 at 1400 · 0.43% of band games46.6% for Blackn = 58,682 at 1800 · 0.28% of band games

• No. 88 most playedB at 600B at 1000B at 1400A at 1800

  Sicilian Defense: Smith-Morra GambitB21

  1. e4 c5 2. d4

  47.5% for Whiten = 15,485 at 600 · 0.36% of band games47.8% for Whiten = 90,636 at 1000 · 0.64% of band games47.9% for Whiten = 78,312 at 1400 · 0.73% of band games49.1% for Whiten = 209,515 at 1800 · 1.00% of band games

• No. 89 most playedD at 600D at 1000D at 1400D at 1800

  Ruy Lopez: Berlin DefenseC65

  1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6

  43.9% for Blackn = 21,262 at 600 · 0.50% of band games43.1% for Blackn = 89,395 at 1000 · 0.63% of band games43.5% for Blackn = 43,371 at 1400 · 0.40% of band games43.9% for Blackn = 64,019 at 1800 · 0.31% of band games

• No. 90 most playedC at 600C at 1000C at 1400B at 1800

  Mieses OpeningA00

  1. d3

  44.3% for Whiten = 36,472 at 600 · 0.86% of band games46.2% for Whiten = 89,371 at 1000 · 0.63% of band games46.3% for Whiten = 56,506 at 1400 · 0.53% of band games47.6% for Whiten = 106,460 at 1800 · 0.51% of band games

• No. 91 most playedC at 600B at 1000B at 1400B at 1800

  Indian Defense: Normal VariationA50

  1. d4 Nf6 2. c4

  50.3% for Whiten = 9,061 at 600 · 0.21% of band games50.3% for Whiten = 88,164 at 1000 · 0.62% of band games49.6% for Whiten = 121,319 at 1400 · 1.13% of band games48.5% for Whiten = 486,110 at 1800 · 2.32% of band games

• No. 92 most playedD at 600C at 1000D at 1400C at 1800

  Italian Game: Giuoco Pianissimo, NormalC50

  1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5

  45.5% for Blackn = 16,535 at 600 · 0.39% of band games46.0% for Blackn = 88,025 at 1000 · 0.62% of band games45.6% for Blackn = 55,145 at 1400 · 0.51% of band games46.3% for Blackn = 79,675 at 1800 · 0.38% of band games

• No. 93 most playedA at 600B at 1000B at 1400D at 1800

  Center Game: Normal VariationC22

  1. e4 e5 2. d4 exd4 3. Qxd4 Nc6

  54.2% for Blackn = 20,972 at 600 · 0.49% of band games51.5% for Blackn = 87,038 at 1000 · 0.61% of band games49.7% for Blackn = 41,768 at 1400 · 0.39% of band games45.4% for Blackn = 42,286 at 1800 · 0.20% of band games

• No. 94 most playedA at 600B at 1000C at 1400B at 1800

  Petrov's DefenseC42

  1. e4 e5 2. Nf3 Nf6 3. Nxe5

  56.5% for Whiten = 40,743 at 600 · 0.96% of band games52.3% for Whiten = 86,607 at 1000 · 0.61% of band games49.3% for Whiten = 52,195 at 1400 · 0.49% of band games49.6% for Whiten = 82,952 at 1800 · 0.40% of band games

• No. 95 most playedD at 600C at 1000C at 1400C at 1800

  Queen's Pawn Game: Symmetrical VariationD02

  1. d4 d5 2. Nf3 Nf6

  45.4% for Blackn = 21,992 at 600 · 0.52% of band games45.3% for Blackn = 86,252 at 1000 · 0.61% of band games45.6% for Blackn = 78,559 at 1400 · 0.73% of band games44.6% for Blackn = 216,984 at 1800 · 1.04% of band games

• No. 96 most playedB at 600B at 1000B at 1400B at 1800

  French Defense: Advance VariationC02

  1. e4 e6 2. d4 d5 3. e5 c5

  51.1% for Blackn = 7,690 at 600 · 0.18% of band games51.2% for Blackn = 85,885 at 1000 · 0.61% of band games51.9% for Blackn = 85,914 at 1400 · 0.80% of band games50.5% for Blackn = 177,375 at 1800 · 0.85% of band games

• No. 97 most playedC at 600B at 1000C at 1400B at 1800

  Indian Defense: Accelerated London SystemA45

  1. d4 Nf6 2. Bf4

  50.0% for Whiten = 13,342 at 600 · 0.31% of band games49.6% for Whiten = 84,172 at 1000 · 0.59% of band games48.7% for Whiten = 79,269 at 1400 · 0.74% of band games48.7% for Whiten = 198,966 at 1800 · 0.95% of band games

• No. 98 most playedD at 600C at 1000C at 1400B at 1800

  Zukertort Opening: Tennison GambitA06

  1. e4 d5 2. Nf3

  45.6% for Whiten = 27,492 at 600 · 0.64% of band games47.2% for Whiten = 80,706 at 1000 · 0.57% of band games47.6% for Whiten = 51,021 at 1400 · 0.48% of band games48.5% for Whiten = 88,372 at 1800 · 0.42% of band games

• No. 99 most playedC at 600B at 1000B at 1400B at 1800

  Ponziani OpeningC44

  1. e4 e5 2. Nf3 Nc6 3. c3

  49.9% for Whiten = 19,079 at 600 · 0.45% of band games50.4% for Whiten = 80,428 at 1000 · 0.57% of band games50.9% for Whiten = 55,340 at 1400 · 0.52% of band games50.2% for Whiten = 82,579 at 1800 · 0.39% of band games

• No. 100 most playedD at 600D at 1000C at 1400C at 1800

  Italian Game: Paris DefenseC50

  1. e4 e5 2. Nf3 Nc6 3. Bc4 d6

  43.8% for Blackn = 19,212 at 600 · 0.45% of band games45.0% for Blackn = 80,249 at 1000 · 0.57% of band games45.4% for Blackn = 54,702 at 1400 · 0.51% of band games44.7% for Blackn = 72,563 at 1800 · 0.35% of band games

• No. 101 most playedC at 600C at 1000C at 1400C at 1800

  Slav DefenseD10

  1. d4 d5 2. c4 c6

  44.8% for Blackn = 9,881 at 600 · 0.23% of band games45.4% for Blackn = 79,276 at 1000 · 0.56% of band games44.9% for Blackn = 90,731 at 1400 · 0.85% of band games44.1% for Blackn = 276,512 at 1800 · 1.32% of band games

• No. 102 most playedC at 600C at 1000C at 1400C at 1800

  King's Pawn Game: McConnell DefenseC40

  1. e4 e5 2. Nf3 Qf6

  43.5% for Blackn = 29,426 at 600 · 0.69% of band games45.5% for Blackn = 77,506 at 1000 · 0.55% of band games46.3% for Blackn = 39,127 at 1400 · 0.36% of band games45.9% for Blackn = 32,676 at 1800 · 0.16% of band games

• No. 103 most playedC at 600C at 1000B at 1400B at 1800

  Modern DefenseB06

  1. e4 g6 2. d4 Bg7

  47.8% for Blackn = 9,884 at 600 · 0.23% of band games47.2% for Blackn = 77,247 at 1000 · 0.55% of band games47.0% for Blackn = 85,809 at 1400 · 0.80% of band games46.1% for Blackn = 213,390 at 1800 · 1.02% of band games

• No. 104 most playedB at 600B at 1000B at 1400B at 1800

  Pirc DefenseB00

  1. e4 d6 2. d4 Nf6

  48.5% for Blackn = 14,672 at 600 · 0.34% of band games47.7% for Blackn = 77,171 at 1000 · 0.54% of band games47.5% for Blackn = 61,962 at 1400 · 0.58% of band games46.9% for Blackn = 151,940 at 1800 · 0.73% of band games

• No. 105 most playedB at 600B at 1000A at 1400A at 1800

  Scandinavian Defense: Modern VariationB01

  1. e4 d5 2. exd5 Nf6

  48.8% for Blackn = 8,826 at 600 · 0.21% of band games48.8% for Blackn = 77,012 at 1000 · 0.54% of band games49.1% for Blackn = 90,848 at 1400 · 0.85% of band games48.5% for Blackn = 252,135 at 1800 · 1.21% of band games

• No. 106 most playedB at 600B at 1000C at 1400C at 1800

  King's Pawn Game: Napoleon AttackC20

  1. e4 e5 2. Qf3

  50.6% for Whiten = 48,305 at 600 · 1.13% of band games48.9% for Whiten = 76,896 at 1000 · 0.54% of band games48.9% for Whiten = 30,358 at 1400 · 0.28% of band games48.8% for Whiten = 17,058 at 1800 · 0.08% of band games

• No. 107 most playedD at 600D at 1000D at 1400D at 1800

  Ruy Lopez: Steinitz DefenseC62

  1. e4 e5 2. Nf3 Nc6 3. Bb5 d6

  45.3% for Blackn = 7,029 at 600 · 0.16% of band games45.0% for Blackn = 76,870 at 1000 · 0.54% of band games44.1% for Blackn = 73,558 at 1400 · 0.69% of band games42.0% for Blackn = 106,599 at 1800 · 0.51% of band games

• No. 108 most playedB at 600B at 1000C at 1400B at 1800

  Four Knights Game: Spanish VariationC48

  1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5

  49.1% for Whiten = 26,814 at 600 · 0.63% of band games50.1% for Whiten = 73,728 at 1000 · 0.52% of band games49.7% for Whiten = 33,512 at 1400 · 0.31% of band games50.5% for Whiten = 40,444 at 1800 · 0.19% of band games

• No. 109 most playedD at 600C at 1000C at 1400D at 1800

  Caro-Kann Defense: Hillbilly AttackB10

  1. e4 c6 2. Bc4

  42.5% for Whiten = 17,566 at 600 · 0.41% of band games43.9% for Whiten = 73,277 at 1000 · 0.52% of band games43.9% for Whiten = 53,595 at 1400 · 0.50% of band games43.7% for Whiten = 66,386 at 1800 · 0.32% of band games

• No. 110 most playedB at 600B at 1000C at 1400C at 1800

  Italian Game: Giuoco PianissimoC50

  1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3

  50.8% for Whiten = 13,626 at 600 · 0.32% of band games48.9% for Whiten = 73,034 at 1000 · 0.52% of band games48.2% for Whiten = 45,968 at 1400 · 0.43% of band games47.4% for Whiten = 56,958 at 1800 · 0.27% of band games

• No. 111 most playedC at 600C at 1000B at 1400B at 1800

  Benoni Defense: Old BenoniA43

  1. d4 c5

  45.3% for Blackn = 11,539 at 600 · 0.27% of band games48.0% for Blackn = 71,554 at 1000 · 0.51% of band games48.4% for Blackn = 75,568 at 1400 · 0.70% of band games48.2% for Blackn = 206,593 at 1800 · 0.99% of band games

• No. 112 most playedC at 600B at 1000B at 1400B at 1800

  Sicilian Defense: French VariationB40

  1. e4 c5 2. Nf3 e6

  49.6% for Blackn = 6,623 at 600 · 0.16% of band games49.6% for Blackn = 71,293 at 1000 · 0.50% of band games49.4% for Blackn = 91,886 at 1400 · 0.86% of band games48.6% for Blackn = 270,099 at 1800 · 1.29% of band games

• No. 113 most playedD at 600D at 1000C at 1400C at 1800

  King's Gambit AcceptedC33

  1. e4 e5 2. f4 exf4

  45.0% for Blackn = 11,924 at 600 · 0.28% of band games43.2% for Blackn = 71,025 at 1000 · 0.50% of band games43.3% for Blackn = 75,198 at 1400 · 0.70% of band games45.2% for Blackn = 163,974 at 1800 · 0.78% of band games

• No. 114 most playedB at 600B at 1000B at 1400C at 1800

  Nimzowitsch Defense: Declined VariationB00

  1. e4 Nc6 2. Nf3

  52.7% for Whiten = 21,897 at 600 · 0.51% of band games51.6% for Whiten = 70,355 at 1000 · 0.50% of band games51.6% for Whiten = 43,202 at 1400 · 0.40% of band games48.9% for Whiten = 72,201 at 1800 · 0.35% of band games

• No. 115 most playedD at 600C at 1000B at 1400B at 1800

  Sicilian Defense: ClosedB23

  1. e4 c5 2. Nc3

  47.2% for Whiten = 14,195 at 600 · 0.33% of band games46.9% for Whiten = 69,437 at 1000 · 0.49% of band games47.4% for Whiten = 72,094 at 1400 · 0.67% of band games49.1% for Whiten = 233,562 at 1800 · 1.12% of band games

• No. 116 most playedD at 600B at 1000B at 1400B at 1800

  Blackmar-Diemer GambitD00

  1. d4 d5 2. e4

  43.9% for Whiten = 27,577 at 600 · 0.65% of band games49.4% for Whiten = 69,221 at 1000 · 0.49% of band games51.6% for Whiten = 54,777 at 1400 · 0.51% of band games52.0% for Whiten = 111,362 at 1800 · 0.53% of band games

• No. 117 most playedD at 600D at 1000D at 1400C at 1800

  Bishop's Opening: Boi VariationC23

  1. e4 e5 2. Bc4 Bc5

  39.7% for Blackn = 34,392 at 600 · 0.81% of band games43.3% for Blackn = 69,201 at 1000 · 0.49% of band games44.4% for Blackn = 49,542 at 1400 · 0.46% of band games44.9% for Blackn = 52,898 at 1800 · 0.25% of band games

• No. 118 most playedC at 600D at 1000C at 1400B at 1800

  Ruy Lopez: Morphy DefenseC70

  1. e4 e5 2. Nf3 Nc6 3. Bb5 a6

  42.5% for Blackn = 15,381 at 600 · 0.36% of band games43.2% for Blackn = 67,840 at 1000 · 0.48% of band games44.1% for Blackn = 44,765 at 1400 · 0.42% of band games44.7% for Blackn = 101,491 at 1800 · 0.49% of band games

• No. 119 most playedB at 600C at 1000C at 1400C at 1800

  Italian Game: Giuoco Pianissimo, Italian Four Knights VariationC50

  1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. Nc3

  50.1% for Whiten = 22,730 at 600 · 0.53% of band games51.0% for Whiten = 65,735 at 1000 · 0.46% of band games50.3% for Whiten = 37,658 at 1400 · 0.35% of band games49.6% for Whiten = 48,829 at 1800 · 0.23% of band games

• No. 120 most playedC at 600C at 1000C at 1400B at 1800

  Van Geet OpeningA00

  1. Nc3

  45.8% for Whiten = 38,747 at 600 · 0.91% of band games47.0% for Whiten = 64,490 at 1000 · 0.46% of band games47.8% for Whiten = 37,994 at 1400 · 0.35% of band games50.0% for Whiten = 74,836 at 1800 · 0.36% of band games

• No. 121 most playedB at 600B at 1000B at 1400B at 1800

  English Opening: King's English Variation, Reversed SicilianA21

  1. c4 e5 2. Nc3

  51.6% for Whiten = 11,342 at 600 · 0.27% of band games52.0% for Whiten = 63,473 at 1000 · 0.45% of band games52.3% for Whiten = 60,221 at 1400 · 0.56% of band games52.0% for Whiten = 139,165 at 1800 · 0.67% of band games

• No. 122 most playedA at 600A at 1000A at 1400A at 1800

  Queen's Gambit Accepted: Saduleto VariationD20

  1. d4 d5 2. c4 dxc4 3. e4

  55.0% for Whiten = 14,336 at 600 · 0.34% of band games54.8% for Whiten = 62,516 at 1000 · 0.44% of band games54.3% for Whiten = 34,799 at 1400 · 0.32% of band games53.5% for Whiten = 40,221 at 1800 · 0.19% of band games

• No. 123 most playedA at 600A at 1000A at 1400B at 1800

  King's Gambit Accepted: King's Knight's GambitC34

  1. e4 e5 2. f4 exf4 3. Nf3

  53.9% for Whiten = 8,459 at 600 · 0.20% of band games54.9% for Whiten = 61,167 at 1000 · 0.43% of band games54.2% for Whiten = 68,544 at 1400 · 0.64% of band games51.3% for Whiten = 149,968 at 1800 · 0.72% of band games

• No. 124 most playedA at 600B at 1000B at 1400B at 1800

  Rapport-Jobava SystemD01

  1. d4 d5 2. Nc3 Nf6 3. Bf4

  54.2% for Whiten = 13,000 at 600 · 0.30% of band games53.6% for Whiten = 60,731 at 1000 · 0.43% of band games52.4% for Whiten = 41,746 at 1400 · 0.39% of band games51.4% for Whiten = 76,908 at 1800 · 0.37% of band games

• No. 125 most playedC at 600C at 1000B at 1400B at 1800

  Indian Defense: Knights VariationA46

  1. d4 Nf6 2. Nf3

  47.4% for Whiten = 13,530 at 600 · 0.32% of band games48.8% for Whiten = 60,366 at 1000 · 0.43% of band games48.9% for Whiten = 63,813 at 1400 · 0.59% of band games49.0% for Whiten = 227,803 at 1800 · 1.09% of band games

• No. 126 most playedS at 600B at 1000B at 1400B at 1800

  Italian Game: Classical VariationC53

  1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3

  54.7% for Whiten = 8,545 at 600 · 0.20% of band games53.1% for Whiten = 59,735 at 1000 · 0.42% of band games52.3% for Whiten = 54,251 at 1400 · 0.51% of band games50.8% for Whiten = 102,444 at 1800 · 0.49% of band games

• No. 127 most playedC at 600C at 1000C at 1400C at 1800

  Queen's Pawn GameD00

  1. d4 d5 2. e3 Nf6

  49.3% for Blackn = 17,953 at 600 · 0.42% of band games47.2% for Blackn = 57,658 at 1000 · 0.41% of band games46.1% for Blackn = 44,117 at 1400 · 0.41% of band games45.4% for Blackn = 85,244 at 1800 · 0.41% of band games

• No. 128 most playedB at 600A at 1000B at 1400B at 1800

  Four Knights Game: Scotch VariationC47

  1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4

  52.2% for Whiten = 21,458 at 600 · 0.50% of band games52.6% for Whiten = 56,649 at 1000 · 0.40% of band games52.8% for Whiten = 30,272 at 1400 · 0.28% of band games52.8% for Whiten = 40,827 at 1800 · 0.20% of band games

• No. 129 most playedB at 600B at 1000B at 1400B at 1800

  Caro-Kann DefenseB15

  1. e4 c6 2. d4 d5 3. Nc3

  50.3% for Whiten = 12,872 at 600 · 0.30% of band games51.7% for Whiten = 56,592 at 1000 · 0.40% of band games51.8% for Whiten = 50,023 at 1400 · 0.47% of band games50.9% for Whiten = 146,633 at 1800 · 0.70% of band games

• No. 130 most playedD at 600D at 1000D at 1400D at 1800

  King's Pawn Game: Damiano DefenseC40

  1. e4 e5 2. Nf3 f6

  40.0% for Blackn = 35,899 at 600 · 0.84% of band games38.1% for Blackn = 56,331 at 1000 · 0.40% of band games36.4% for Blackn = 11,734 at 1400 · 0.11% of band games37.3% for Blackn = 6,795 at 1800 · 0.03% of band games

• No. 131 most playedD at 600C at 1000C at 1400C at 1800

  Elephant GambitC40

  1. e4 e5 2. Nf3 d5

  42.3% for Blackn = 20,278 at 600 · 0.48% of band games46.2% for Blackn = 55,201 at 1000 · 0.39% of band games48.5% for Blackn = 37,617 at 1400 · 0.35% of band games49.5% for Blackn = 85,652 at 1800 · 0.41% of band games

• No. 132 most playedC at 600B at 1000A at 1400B at 1800

  Vienna Game: Stanley VariationC26

  1. e4 e5 2. Nc3 Nf6 3. Bc4

  49.6% for Whiten = 18,790 at 600 · 0.44% of band games50.8% for Whiten = 54,715 at 1000 · 0.39% of band games51.0% for Whiten = 32,353 at 1400 · 0.30% of band games50.7% for Whiten = 48,387 at 1800 · 0.23% of band games

• No. 133 most playedB at 600B at 1000C at 1400A at 1800

  Sicilian Defense: OpenB32

  1. e4 c5 2. Nf3 Nc6 3. d4

  51.3% for Whiten = 3,864 at 600 · 0.09% of band games50.5% for Whiten = 54,581 at 1000 · 0.39% of band games49.9% for Whiten = 82,883 at 1400 · 0.77% of band games48.9% for Whiten = 288,986 at 1800 · 1.38% of band games

• No. 134 most playedB at 600C at 1000C at 1400C at 1800

  Caro-Kann Defense: Exchange VariationB13

  1. e4 c6 2. d4 d5 3. exd5

  45.6% for Whiten = 9,136 at 600 · 0.21% of band games48.0% for Whiten = 54,344 at 1000 · 0.38% of band games48.3% for Whiten = 61,370 at 1400 · 0.57% of band games48.4% for Whiten = 189,310 at 1800 · 0.91% of band games

• No. 135 most playedC at 600D at 1000C at 1400B at 1800

  Nimzowitsch Defense: Kennedy VariationB00

  1. e4 Nc6 2. d4 e5

  43.3% for Blackn = 23,712 at 600 · 0.56% of band games42.1% for Blackn = 53,920 at 1000 · 0.38% of band games43.9% for Blackn = 29,385 at 1400 · 0.27% of band games47.9% for Blackn = 58,769 at 1800 · 0.28% of band games

• No. 136 most playedA at 600B at 1000B at 1400C at 1800

  Queen's Gambit Declined: Queen's Knight VariationD31

  1. d4 d5 2. c4 e6 3. Nc3

  53.1% for Whiten = 5,543 at 600 · 0.13% of band games52.7% for Whiten = 53,005 at 1000 · 0.37% of band games52.0% for Whiten = 69,144 at 1400 · 0.64% of band games50.9% for Whiten = 216,416 at 1800 · 1.03% of band games

• No. 137 most playedC at 600C at 1000C at 1400C at 1800

  Caro-Kann Defense: Exchange VariationB13

  1. e4 c6 2. d4 d5 3. exd5 cxd5

  50.9% for Blackn = 8,482 at 600 · 0.20% of band games48.2% for Blackn = 52,813 at 1000 · 0.37% of band games47.6% for Blackn = 60,882 at 1400 · 0.57% of band games46.4% for Blackn = 191,925 at 1800 · 0.92% of band games

• No. 138 most playedC at 600C at 1000C at 1400C at 1800

  Nimzo-Larsen Attack: Modern VariationA01

  1. b3 e5

  48.1% for Blackn = 11,996 at 600 · 0.28% of band games46.6% for Blackn = 51,671 at 1000 · 0.36% of band games46.0% for Blackn = 44,075 at 1400 · 0.41% of band games45.8% for Blackn = 68,462 at 1800 · 0.33% of band games

• No. 139 most playedB at 600B at 1000B at 1400B at 1800

  French Defense: Exchange VariationC01

  1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nf3

  49.9% for Whiten = 3,985 at 600 · 0.09% of band games49.3% for Whiten = 51,341 at 1000 · 0.36% of band games48.5% for Whiten = 70,863 at 1400 · 0.66% of band games46.6% for Whiten = 206,307 at 1800 · 0.99% of band games

• No. 140 most playedC at 600C at 1000B at 1400C at 1800

  English DefenseA40

  1. d4 b6

  45.8% for Blackn = 10,336 at 600 · 0.24% of band games46.4% for Blackn = 50,544 at 1000 · 0.36% of band games46.5% for Blackn = 52,235 at 1400 · 0.49% of band games45.4% for Blackn = 103,608 at 1800 · 0.50% of band games

• No. 141 most playedB at 600A at 1000A at 1400A at 1800

  Scotch Game: Scotch GambitC44

  1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4

  54.6% for Whiten = 4,597 at 600 · 0.11% of band games55.5% for Whiten = 50,294 at 1000 · 0.35% of band games54.8% for Whiten = 54,398 at 1400 · 0.51% of band games53.3% for Whiten = 107,830 at 1800 · 0.52% of band games

• No. 142 most playedC at 600C at 1000C at 1400C at 1800

  French Defense: Queen's KnightC00

  1. e4 e6 2. Nc3

  48.9% for Whiten = 14,172 at 600 · 0.33% of band games48.0% for Whiten = 49,723 at 1000 · 0.35% of band games47.8% for Whiten = 41,140 at 1400 · 0.38% of band games47.6% for Whiten = 80,806 at 1800 · 0.39% of band games

• No. 143 most playedC at 600C at 1000D at 1400D at 1800

  Philidor Defense: Exchange VariationC41

  1. e4 e5 2. Nf3 d6 3. d4 exd4

  43.4% for Blackn = 5,921 at 600 · 0.14% of band games46.0% for Blackn = 47,833 at 1000 · 0.34% of band games45.5% for Blackn = 53,592 at 1400 · 0.50% of band games43.4% for Blackn = 104,530 at 1800 · 0.50% of band games

• No. 144 most playedB at 600B at 1000B at 1400C at 1800

  Queen's Pawn Game: London SystemD02

  1. d4 d5 2. Nf3 Nf6 3. Bf4

  53.6% for Whiten = 8,757 at 600 · 0.21% of band games52.1% for Whiten = 47,342 at 1000 · 0.33% of band games51.2% for Whiten = 42,504 at 1400 · 0.40% of band games49.8% for Whiten = 96,884 at 1800 · 0.46% of band games

• No. 145 most playedB at 600D at 1000C at 1400C at 1800

  Caro-Kann DefenseB10

  1. e4 c6 2. Nc3

  46.6% for Whiten = 12,214 at 600 · 0.29% of band games46.7% for Whiten = 47,204 at 1000 · 0.33% of band games46.4% for Whiten = 39,424 at 1400 · 0.37% of band games47.1% for Whiten = 89,240 at 1800 · 0.43% of band games

• No. 146 most playedC at 600C at 1000B at 1400B at 1800

  Sicilian Defense: OpenB32

  1. e4 c5 2. Nf3 Nc6 3. d4 cxd4

  47.3% for Blackn = 2,631 at 600 · 0.06% of band games47.8% for Blackn = 47,158 at 1000 · 0.33% of band games47.4% for Blackn = 78,646 at 1400 · 0.73% of band games46.9% for Blackn = 289,689 at 1800 · 1.39% of band games

• No. 147 most playedC at 600D at 1000C at 1400C at 1800

  Dutch DefenseA80

  1. d4 f5

  44.7% for Blackn = 10,290 at 600 · 0.24% of band games45.5% for Blackn = 46,979 at 1000 · 0.33% of band games46.4% for Blackn = 47,895 at 1400 · 0.45% of band games45.8% for Blackn = 136,290 at 1800 · 0.65% of band games

• No. 148 most playedB at 600C at 1000C at 1400D at 1800

  Zukertort Opening: Black Mustang DefenseA04

  1. Nf3 Nc6

  48.7% for Blackn = 13,604 at 600 · 0.32% of band games47.2% for Blackn = 46,014 at 1000 · 0.32% of band games45.8% for Blackn = 31,995 at 1400 · 0.30% of band games43.5% for Blackn = 52,448 at 1800 · 0.25% of band games

• No. 149 most playedD at 600C at 1000B at 1400C at 1800

  French Defense: Exchange VariationC01

  1. e4 e6 2. d4 d5 3. exd5

  47.4% for Whiten = 6,984 at 600 · 0.16% of band games49.5% for Whiten = 45,851 at 1000 · 0.32% of band games49.0% for Whiten = 59,044 at 1400 · 0.55% of band games47.3% for Whiten = 183,245 at 1800 · 0.88% of band games

• No. 150 most playedC at 600A at 1000A at 1400A at 1800

  Polish OpeningA00

  1. b4

  44.6% for Whiten = 9,818 at 600 · 0.23% of band games52.5% for Whiten = 45,809 at 1000 · 0.32% of band games52.2% for Whiten = 48,586 at 1400 · 0.45% of band games51.3% for Whiten = 100,838 at 1800 · 0.48% of band games

• No. 151 most playedC at 600D at 1000D at 1400D at 1800

  French Defense: Advance Variation, Nimzowitsch SystemC02

  1. e4 e6 2. d4 d5 3. e5 c5 4. Nf3

  45.8% for Whiten = 4,262 at 600 · 0.10% of band games44.9% for Whiten = 45,480 at 1000 · 0.32% of band games43.8% for Whiten = 35,611 at 1400 · 0.33% of band games42.0% for Whiten = 40,472 at 1800 · 0.19% of band games

• No. 152 most playedA at 600A at 1000A at 1400A at 1800

  Danish GambitC21

  1. e4 e5 2. d4 exd4 3. c3

  50.7% for Whiten = 5,410 at 600 · 0.13% of band games54.0% for Whiten = 44,295 at 1000 · 0.31% of band games54.9% for Whiten = 44,803 at 1400 · 0.42% of band games54.4% for Whiten = 88,052 at 1800 · 0.42% of band games

• No. 153 most playedC at 600B at 1000C at 1400C at 1800

  Caro-Kann DefenseB10

  1. e4 c6 2. Nc3 d5

  49.5% for Blackn = 12,566 at 600 · 0.29% of band games49.9% for Blackn = 44,073 at 1000 · 0.31% of band games50.1% for Blackn = 36,592 at 1400 · 0.34% of band games48.4% for Blackn = 83,185 at 1800 · 0.40% of band games

• No. 154 most playedD at 600D at 1000D at 1400C at 1800

  Mikenas DefenseA40

  1. d4 Nc6

  43.4% for Blackn = 34,572 at 600 · 0.81% of band games40.9% for Blackn = 43,527 at 1000 · 0.31% of band games42.1% for Blackn = 17,907 at 1400 · 0.17% of band games46.4% for Blackn = 32,055 at 1800 · 0.15% of band games

• No. 155 most playedD at 600C at 1000C at 1400C at 1800

  King's Gambit Declined: Queen's Knight DefenseC30

  1. e4 e5 2. f4 Nc6

  47.1% for Blackn = 5,595 at 600 · 0.13% of band games44.7% for Blackn = 43,460 at 1000 · 0.31% of band games44.5% for Blackn = 50,096 at 1400 · 0.47% of band games44.8% for Blackn = 95,492 at 1800 · 0.46% of band games

• No. 156 most playedD at 600B at 1000C at 1400C at 1800

  Pirc DefenseB07

  1. e4 d6 2. d4 Nf6 3. Nc3 g6

  47.0% for Blackn = 6,337 at 600 · 0.15% of band games45.9% for Blackn = 43,165 at 1000 · 0.30% of band games45.5% for Blackn = 34,365 at 1400 · 0.32% of band games44.9% for Blackn = 78,005 at 1800 · 0.37% of band games

• No. 157 most playedD at 600C at 1000D at 1400D at 1800

  Vienna Game: Stanley Variation, Three Knights VariationC28

  1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6

  46.0% for Blackn = 10,807 at 600 · 0.25% of band games46.0% for Blackn = 42,246 at 1000 · 0.30% of band games45.4% for Blackn = 29,371 at 1400 · 0.27% of band games44.9% for Blackn = 47,525 at 1800 · 0.23% of band games

• No. 158 most playedB at 600B at 1000B at 1400B at 1800

  Englund Gambit Declined: Reversed FrenchA40

  1. d4 e5 2. e3

  49.9% for Whiten = 18,504 at 600 · 0.43% of band games48.5% for Whiten = 42,081 at 1000 · 0.30% of band games48.8% for Whiten = 23,970 at 1400 · 0.22% of band games49.7% for Whiten = 34,979 at 1800 · 0.17% of band games

• No. 159 most playedA at 600B at 1000B at 1400C at 1800

  Queen's Pawn Game: London System, with e6D02

  1. d4 d5 2. Nf3 e6 3. Bf4

  53.0% for Whiten = 7,395 at 600 · 0.17% of band games51.6% for Whiten = 42,017 at 1000 · 0.30% of band games50.9% for Whiten = 38,492 at 1400 · 0.36% of band games50.9% for Whiten = 71,584 at 1800 · 0.34% of band games

• No. 160 most playedC at 600C at 1000C at 1400C at 1800

  Queen's Pawn Game: Chigorin VariationD00

  1. d4 d5 2. Nc3 e6

  46.8% for Blackn = 12,809 at 600 · 0.30% of band games46.4% for Blackn = 41,973 at 1000 · 0.30% of band games46.6% for Blackn = 30,857 at 1400 · 0.29% of band games45.1% for Blackn = 51,977 at 1800 · 0.25% of band games

• No. 161 most playedD at 600C at 1000B at 1400B at 1800

  Grob OpeningA00

  1. g4

  40.4% for Whiten = 16,876 at 600 · 0.40% of band games47.6% for Whiten = 41,936 at 1000 · 0.30% of band games48.8% for Whiten = 31,516 at 1400 · 0.29% of band games51.2% for Whiten = 65,755 at 1800 · 0.31% of band games

• No. 162 most playedC at 600C at 1000C at 1400D at 1800

  Caro-Kann Defense: Advance Variation, Short VariationB12

  1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3

  51.6% for Whiten = 3,948 at 600 · 0.09% of band games48.8% for Whiten = 41,802 at 1000 · 0.30% of band games47.0% for Whiten = 33,452 at 1400 · 0.31% of band games45.9% for Whiten = 43,782 at 1800 · 0.21% of band games

• No. 163 most playedB at 600B at 1000C at 1400C at 1800

  Bird Opening: Dutch VariationA03

  1. f4 d5

  50.9% for Blackn = 11,012 at 600 · 0.26% of band games47.8% for Blackn = 41,611 at 1000 · 0.29% of band games46.6% for Blackn = 38,025 at 1400 · 0.35% of band games45.2% for Blackn = 101,683 at 1800 · 0.49% of band games

• No. 164 most playedD at 600C at 1000C at 1400C at 1800

  Sicilian Defense: OpenB32

  1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4

  50.1% for Whiten = 2,198 at 600 · 0.05% of band games49.0% for Whiten = 41,555 at 1000 · 0.29% of band games49.0% for Whiten = 71,592 at 1400 · 0.67% of band games48.4% for Whiten = 267,403 at 1800 · 1.28% of band games

• No. 165 most playedD at 600C at 1000C at 1400C at 1800

  Queen's Gambit Declined: Normal DefenseD35

  1. d4 d5 2. c4 e6 3. Nc3 Nf6

  46.0% for Blackn = 3,415 at 600 · 0.08% of band games44.5% for Blackn = 41,273 at 1000 · 0.29% of band games44.8% for Blackn = 59,995 at 1400 · 0.56% of band games44.4% for Blackn = 204,336 at 1800 · 0.98% of band games

• No. 166 most playedD at 600D at 1000D at 1400D at 1800

  Ruy Lopez: Classical VariationC64

  1. e4 e5 2. Nf3 Nc6 3. Bb5 Bc5

  47.9% for Blackn = 6,948 at 600 · 0.16% of band games46.6% for Blackn = 41,047 at 1000 · 0.29% of band games46.1% for Blackn = 30,120 at 1400 · 0.28% of band games45.9% for Blackn = 58,809 at 1800 · 0.28% of band games

• No. 167 most playedD at 600D at 1000D at 1400D at 1800

  King's Pawn Game: Maróczy DefenseB07

  1. e4 d6 2. d4 e5

  44.1% for Blackn = 17,543 at 600 · 0.41% of band games42.9% for Blackn = 40,807 at 1000 · 0.29% of band games43.0% for Blackn = 20,154 at 1400 · 0.19% of band games45.3% for Blackn = 36,167 at 1800 · 0.17% of band games

• No. 168 most playedC at 600C at 1000B at 1400C at 1800

  Queen's Pawn Game: Colle SystemD04

  1. d4 d5 2. Nf3 Nf6 3. e3

  49.6% for Whiten = 9,744 at 600 · 0.23% of band games50.3% for Whiten = 40,322 at 1000 · 0.28% of band games50.2% for Whiten = 36,074 at 1400 · 0.34% of band games49.3% for Whiten = 81,405 at 1800 · 0.39% of band games

• No. 169 most playedB at 600C at 1000C at 1400C at 1800

  Ponziani Opening: Jaenisch CounterattackC44

  1. e4 e5 2. Nf3 Nc6 3. c3 Nf6

  48.0% for Blackn = 10,473 at 600 · 0.25% of band games47.3% for Blackn = 40,196 at 1000 · 0.28% of band games46.4% for Blackn = 24,764 at 1400 · 0.23% of band games45.8% for Blackn = 35,106 at 1800 · 0.17% of band games

• No. 170 most playedC at 600C at 1000B at 1400B at 1800

  Caro-Kann Defense: Advance Variation, Botvinnik-Carls DefenseB12

  1. e4 c6 2. d4 d5 3. e5 c5

  49.0% for Blackn = 3,466 at 600 · 0.08% of band games49.7% for Blackn = 40,067 at 1000 · 0.28% of band games51.0% for Blackn = 37,564 at 1400 · 0.35% of band games50.4% for Blackn = 72,038 at 1800 · 0.34% of band games

• No. 171 most playedC at 600B at 1000C at 1400B at 1800

  French Defense: Advance VariationC02

  1. e4 e6 2. d4 d5 3. e5 c5 4. c3

  47.0% for Whiten = 2,702 at 600 · 0.06% of band games46.6% for Whiten = 39,963 at 1000 · 0.28% of band games45.4% for Whiten = 50,209 at 1400 · 0.47% of band games46.2% for Whiten = 134,430 at 1800 · 0.64% of band games

• No. 172 most playedC at 600C at 1000C at 1400C at 1800

  Italian Game: Classical VariationC54

  1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6

  42.5% for Blackn = 6,564 at 600 · 0.15% of band games44.1% for Blackn = 39,659 at 1000 · 0.28% of band games43.9% for Blackn = 32,327 at 1400 · 0.30% of band games44.4% for Blackn = 56,142 at 1800 · 0.27% of band games

• No. 173 most playedC at 600C at 1000C at 1400C at 1800

  Ruy Lopez: Exchange VariationC68

  1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6

  52.4% for Whiten = 9,559 at 600 · 0.22% of band games51.4% for Whiten = 39,439 at 1000 · 0.28% of band games49.5% for Whiten = 20,469 at 1400 · 0.19% of band games48.6% for Whiten = 30,792 at 1800 · 0.15% of band games

• No. 174 most playedB at 600C at 1000B at 1400C at 1800

  Pirc Defense: Classical VariationB08

  1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7

  47.6% for Blackn = 6,279 at 600 · 0.15% of band games46.6% for Blackn = 39,191 at 1000 · 0.28% of band games46.7% for Blackn = 30,416 at 1400 · 0.28% of band games46.4% for Blackn = 57,340 at 1800 · 0.27% of band games

• No. 175 most playedC at 600B at 1000B at 1400B at 1800

  Slav DefenseD10

  1. d4 d5 2. c4 c6 3. Nc3

  53.0% for Whiten = 3,780 at 600 · 0.09% of band games51.5% for Whiten = 37,637 at 1000 · 0.27% of band games51.6% for Whiten = 47,590 at 1400 · 0.44% of band games51.0% for Whiten = 154,955 at 1800 · 0.74% of band games

• No. 176 most playedB at 600B at 1000B at 1400B at 1800

  French Defense: Paulsen VariationC10

  1. e4 e6 2. d4 d5 3. Nc3

  48.8% for Whiten = 9,359 at 600 · 0.22% of band games50.8% for Whiten = 37,632 at 1000 · 0.27% of band games50.9% for Whiten = 35,325 at 1400 · 0.33% of band games50.4% for Whiten = 124,648 at 1800 · 0.60% of band games

• No. 177 most playedB at 600B at 1000B at 1400B at 1800

  Sicilian Defense: Alapin VariationB22

  1. e4 c5 2. c3

  50.3% for Whiten = 3,192 at 600 · 0.07% of band games50.4% for Whiten = 37,465 at 1000 · 0.26% of band games50.2% for Whiten = 57,231 at 1400 · 0.53% of band games49.6% for Whiten = 191,864 at 1800 · 0.92% of band games

• No. 178 most playedC at 600C at 1000C at 1400D at 1800

  Italian Game: Blackburne-Kostić GambitC50

  1. e4 e5 2. Nf3 Nc6 3. Bc4 Nd4

  50.3% for Blackn = 7,082 at 600 · 0.17% of band games51.9% for Blackn = 37,360 at 1000 · 0.26% of band games50.2% for Blackn = 24,841 at 1400 · 0.23% of band games47.4% for Blackn = 28,859 at 1800 · 0.14% of band games

• No. 179 most playedD at 600D at 1000D at 1400D at 1800

  Four Knights Game: Scotch Variation AcceptedC47

  1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4

  44.5% for Blackn = 11,216 at 600 · 0.26% of band games43.8% for Blackn = 37,217 at 1000 · 0.26% of band games43.0% for Blackn = 22,531 at 1400 · 0.21% of band games42.4% for Blackn = 32,951 at 1800 · 0.16% of band games

• No. 180 most playedA at 600S at 1000S at 1400S at 1800

  Queen's Gambit Accepted: Old VariationD20

  1. d4 d5 2. c4 dxc4 3. e3

  54.9% for Whiten = 6,580 at 600 · 0.15% of band games57.3% for Whiten = 36,451 at 1000 · 0.26% of band games56.2% for Whiten = 27,668 at 1400 · 0.26% of band games55.3% for Whiten = 42,283 at 1800 · 0.20% of band games

• No. 181 most playedC at 600B at 1000C at 1400C at 1800

  French Defense: Steinitz AttackC00

  1. e4 e6 2. e5

  48.2% for Whiten = 8,573 at 600 · 0.20% of band games47.7% for Whiten = 35,777 at 1000 · 0.25% of band games45.0% for Whiten = 19,860 at 1400 · 0.19% of band games44.2% for Whiten = 20,204 at 1800 · 0.10% of band games

• No. 182 most playedC at 600C at 1000C at 1400C at 1800

  Englund Gambit: Hartlaub-Charlick GambitA40

  1. d4 e5 2. dxe5 d6

  44.1% for Blackn = 6,519 at 600 · 0.15% of band games48.2% for Blackn = 35,431 at 1000 · 0.25% of band games49.3% for Blackn = 34,542 at 1400 · 0.32% of band games48.1% for Blackn = 71,110 at 1800 · 0.34% of band games

• No. 183 most playedC at 600C at 1000C at 1400B at 1800

  Saragossa OpeningA00

  1. c3

  45.5% for Whiten = 13,966 at 600 · 0.33% of band games48.1% for Whiten = 34,887 at 1000 · 0.25% of band games47.2% for Whiten = 21,472 at 1400 · 0.20% of band games48.7% for Whiten = 45,076 at 1800 · 0.22% of band games

• No. 184 most playedS at 600S at 1000A at 1400C at 1800

  Nimzowitsch Defense: Kennedy Variation, Linksspringer VariationB00

  1. e4 Nc6 2. d4 e5 3. d5

  57.1% for Whiten = 11,137 at 600 · 0.26% of band games55.4% for Whiten = 34,600 at 1000 · 0.24% of band games53.1% for Whiten = 19,470 at 1400 · 0.18% of band games46.2% for Whiten = 38,958 at 1800 · 0.19% of band games

• No. 185 most playedS at 600A at 1000B at 1400B at 1800

  Vienna Game: Vienna GambitC29

  1. e4 e5 2. Nc3 Nf6 3. f4

  58.1% for Whiten = 6,040 at 600 · 0.14% of band games58.0% for Whiten = 34,510 at 1000 · 0.24% of band games57.4% for Whiten = 26,112 at 1400 · 0.24% of band games55.3% for Whiten = 42,560 at 1800 · 0.20% of band games

• No. 186 most playedD at 600D at 1000D at 1400C at 1800

  Caro-Kann DefenseB15

  1. e4 c6 2. d4 d5 3. Nc3 dxe4

  47.2% for Blackn = 5,083 at 600 · 0.12% of band games46.2% for Blackn = 33,407 at 1000 · 0.24% of band games45.3% for Blackn = 35,590 at 1400 · 0.33% of band games44.5% for Blackn = 117,206 at 1800 · 0.56% of band games

• No. 187 most playedC at 600B at 1000A at 1400B at 1800

  Caro-Kann Defense: Main LineB15

  1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4

  49.6% for Whiten = 5,004 at 600 · 0.12% of band games50.4% for Whiten = 32,898 at 1000 · 0.23% of band games50.7% for Whiten = 35,277 at 1400 · 0.33% of band games50.4% for Whiten = 121,328 at 1800 · 0.58% of band games

• No. 188 most playedD at 600D at 1000D at 1400D at 1800

  Danish Gambit AcceptedC21

  1. e4 e5 2. d4 exd4 3. c3 dxc3

  43.8% for Blackn = 4,127 at 600 · 0.10% of band games42.1% for Blackn = 32,777 at 1000 · 0.23% of band games41.0% for Blackn = 32,590 at 1400 · 0.30% of band games40.4% for Blackn = 60,551 at 1800 · 0.29% of band games

• No. 189 most playedC at 600C at 1000B at 1400C at 1800

  Sicilian DefenseB50

  1. e4 c5 2. Nf3 d6 3. d4

  49.6% for Whiten = 2,999 at 600 · 0.07% of band games49.2% for Whiten = 32,711 at 1000 · 0.23% of band games48.2% for Whiten = 48,958 at 1400 · 0.46% of band games48.2% for Whiten = 194,876 at 1800 · 0.93% of band games

• No. 190 most playedA at 600A at 1000B at 1400C at 1800

  Nimzowitsch DefenseB00

  1. e4 Nc6 2. d4

  53.2% for Whiten = 10,375 at 600 · 0.24% of band games53.3% for Whiten = 32,596 at 1000 · 0.23% of band games51.8% for Whiten = 23,238 at 1400 · 0.22% of band games48.0% for Whiten = 59,973 at 1800 · 0.29% of band games

• No. 191 most playedC at 600C at 1000C at 1400C at 1800

  Rat Defense: Small Center DefenseC00

  1. d4 e6 2. e4 d6

  43.2% for Blackn = 7,139 at 600 · 0.17% of band games44.7% for Blackn = 32,527 at 1000 · 0.23% of band games45.1% for Blackn = 28,080 at 1400 · 0.26% of band games44.2% for Blackn = 54,032 at 1800 · 0.26% of band games

• No. 192 most playedC at 600C at 1000B at 1400C at 1800

  Sicilian Defense: Closed, TraditionalB23

  1. e4 c5 2. Nc3 Nc6

  50.0% for Blackn = 6,055 at 600 · 0.14% of band games49.9% for Blackn = 32,213 at 1000 · 0.23% of band games48.8% for Blackn = 34,291 at 1400 · 0.32% of band games46.5% for Blackn = 109,350 at 1800 · 0.52% of band games

• No. 193 most playedB at 600B at 1000B at 1400B at 1800

  King's Pawn Game: MacLeod AttackC20

  1. e4 e5 2. c3

  47.4% for Whiten = 9,661 at 600 · 0.23% of band games49.4% for Whiten = 31,757 at 1000 · 0.22% of band games50.3% for Whiten = 23,275 at 1400 · 0.22% of band games49.4% for Whiten = 32,939 at 1800 · 0.16% of band games

• No. 194 most playedD at 600B at 1000B at 1400C at 1800

  French Defense: Franco-Sicilian DefenseC00

  1. e4 e6 2. d4 c5

  48.8% for Blackn = 4,296 at 600 · 0.10% of band games47.7% for Blackn = 31,723 at 1000 · 0.22% of band games47.4% for Blackn = 29,999 at 1400 · 0.28% of band games46.3% for Blackn = 57,529 at 1800 · 0.28% of band games

• No. 195 most playedB at 600B at 1000B at 1400B at 1800

  Philidor Defense: Exchange VariationC41

  1. e4 e5 2. Nf3 d6 3. d4 exd4 4. Nxd4

  52.3% for Whiten = 4,020 at 600 · 0.09% of band games50.4% for Whiten = 31,434 at 1000 · 0.22% of band games50.7% for Whiten = 37,346 at 1400 · 0.35% of band games51.5% for Whiten = 75,896 at 1800 · 0.36% of band games

• No. 196 most playedC at 600A at 1000B at 1400B at 1800

  Englund Gambit: Main LineA40

  1. d4 e5 2. dxe5 Nc6 3. Nf3 Qe7

  51.1% for Blackn = 3,533 at 600 · 0.08% of band games51.8% for Blackn = 30,834 at 1000 · 0.22% of band games49.0% for Blackn = 30,519 at 1400 · 0.28% of band games45.8% for Blackn = 48,463 at 1800 · 0.23% of band games

• No. 197 most playedC at 600C at 1000C at 1400C at 1800

  Zukertort Opening: Queen's Gambit InvitationA04

  1. Nf3 e6

  46.3% for Blackn = 10,415 at 600 · 0.24% of band games45.9% for Blackn = 30,625 at 1000 · 0.22% of band games45.0% for Blackn = 23,900 at 1400 · 0.22% of band games43.8% for Blackn = 53,109 at 1800 · 0.25% of band games

• No. 198 most playedB at 600C at 1000C at 1400D at 1800

  Vienna Game: Anderssen DefenseC25

  1. e4 e5 2. Nc3 Bc5

  47.7% for Blackn = 12,287 at 600 · 0.29% of band games47.2% for Blackn = 30,396 at 1000 · 0.21% of band games46.7% for Blackn = 22,589 at 1400 · 0.21% of band games45.0% for Blackn = 30,022 at 1800 · 0.14% of band games

• No. 199 most playedC at 600C at 1000C at 1400C at 1800

  Pirc Defense: Classical VariationB08

  1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3

  48.0% for Whiten = 5,175 at 600 · 0.12% of band games49.5% for Whiten = 30,332 at 1000 · 0.21% of band games49.0% for Whiten = 21,730 at 1400 · 0.20% of band games48.7% for Whiten = 39,114 at 1800 · 0.19% of band games

• No. 200 most playedC at 600C at 1000C at 1400C at 1800

  English Opening: Anglo-Scandinavian DefenseA10

  1. c4 d5

  45.4% for Blackn = 7,286 at 600 · 0.17% of band games43.7% for Blackn = 30,317 at 1000 · 0.21% of band games43.2% for Blackn = 26,919 at 1400 · 0.25% of band games42.7% for Blackn = 58,425 at 1800 · 0.28% of band games

• No. 201 most playedB at 600B at 1000B at 1400C at 1800

  Mieses Opening: Reversed RatA00

  1. d3 e5

  50.7% for Blackn = 14,650 at 600 · 0.34% of band games50.2% for Blackn = 30,147 at 1000 · 0.21% of band games49.3% for Blackn = 15,552 at 1400 · 0.14% of band games47.6% for Blackn = 21,880 at 1800 · 0.10% of band games

• No. 202 most playedC at 600C at 1000C at 1400D at 1800

  Nimzo-Larsen Attack: Modern VariationA01

  1. b3 e5 2. Bb2 Nc6

  49.4% for Blackn = 4,527 at 600 · 0.11% of band games47.3% for Blackn = 29,067 at 1000 · 0.21% of band games46.3% for Blackn = 26,012 at 1400 · 0.24% of band games45.8% for Blackn = 40,110 at 1800 · 0.19% of band games

• No. 203 most playedD at 600B at 1000B at 1400B at 1800

  Indian Defense: West Indian DefenseE60

  1. d4 Nf6 2. c4 g6

  48.3% for Blackn = 2,836 at 600 · 0.07% of band games48.7% for Blackn = 29,043 at 1000 · 0.20% of band games48.2% for Blackn = 40,812 at 1400 · 0.38% of band games47.4% for Blackn = 150,831 at 1800 · 0.72% of band games

• No. 204 most playedA at 600A at 1000B at 1400A at 1800

  Center Game: Kieseritzky VariationC21

  1. e4 e5 2. d4 exd4 3. Nf3

  50.8% for Whiten = 4,465 at 600 · 0.10% of band games53.0% for Whiten = 28,156 at 1000 · 0.20% of band games52.8% for Whiten = 24,889 at 1400 · 0.23% of band games54.0% for Whiten = 44,106 at 1800 · 0.21% of band games

• No. 205 most playedC at 600C at 1000C at 1400C at 1800

  Nimzo-Larsen Attack: Classical VariationA01

  1. b3 d5

  46.7% for Blackn = 5,490 at 600 · 0.13% of band games46.9% for Blackn = 28,088 at 1000 · 0.20% of band games46.8% for Blackn = 29,915 at 1400 · 0.28% of band games46.4% for Blackn = 63,963 at 1800 · 0.31% of band games

• No. 206 most playedC at 600D at 1000C at 1400B at 1800

  Sicilian DefenseB50

  1. e4 c5 2. Nf3 d6 3. d4 cxd4

  48.1% for Blackn = 1,874 at 600 · 0.04% of band games48.4% for Blackn = 27,962 at 1000 · 0.20% of band games48.5% for Blackn = 45,517 at 1400 · 0.42% of band games47.5% for Blackn = 189,732 at 1800 · 0.91% of band games

• No. 207 most playedA at 600C at 1000B at 1400C at 1800

  Nimzowitsch Defense: Scandinavian Variation, Advance VariationB00

  1. e4 Nc6 2. d4 d5 3. e5

  52.7% for Whiten = 6,487 at 600 · 0.15% of band games51.3% for Whiten = 27,855 at 1000 · 0.20% of band games50.8% for Whiten = 15,532 at 1400 · 0.14% of band games50.1% for Whiten = 21,653 at 1800 · 0.10% of band games

• No. 208 most playedD at 600D at 1000C at 1400B at 1800

  Caro-Kann Defense: Exchange VariationB13

  1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nc6

  46.0% for Blackn = 2,467 at 600 · 0.06% of band games47.8% for Blackn = 27,600 at 1000 · 0.19% of band games49.5% for Blackn = 32,471 at 1400 · 0.30% of band games49.2% for Blackn = 91,442 at 1800 · 0.44% of band games

• No. 209 most playedD at 600D at 1000C at 1400D at 1800

  King's Gambit Accepted: MacLeod DefenseC34

  1. e4 e5 2. f4 exf4 3. Nf3 Nc6

  44.2% for Blackn = 2,953 at 600 · 0.07% of band games42.9% for Blackn = 26,751 at 1000 · 0.19% of band games42.0% for Blackn = 27,110 at 1400 · 0.25% of band games43.2% for Blackn = 42,170 at 1800 · 0.20% of band games

• No. 210 most playedD at 600D at 1000D at 1400D at 1800

  Scotch Game: Scotch Gambit, Dubois Réti DefenseC44

  1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4

  45.7% for Blackn = 4,114 at 600 · 0.10% of band games43.5% for Blackn = 26,739 at 1000 · 0.19% of band games43.5% for Blackn = 21,779 at 1400 · 0.20% of band games45.7% for Blackn = 42,873 at 1800 · 0.20% of band games

• No. 211 most playedB at 600C at 1000C at 1400C at 1800

  Zukertort OpeningA05

  1. Nf3 Nf6

  45.9% for Blackn = 10,472 at 600 · 0.25% of band games47.0% for Blackn = 26,130 at 1000 · 0.18% of band games46.8% for Blackn = 24,137 at 1400 · 0.22% of band games45.6% for Blackn = 91,178 at 1800 · 0.44% of band games

• No. 212 most playedC at 600D at 1000D at 1400D at 1800

  Scotch Game: Classical VariationC45

  1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5

  50.4% for Blackn = 3,406 at 600 · 0.08% of band games46.7% for Blackn = 26,024 at 1000 · 0.18% of band games46.3% for Blackn = 26,986 at 1400 · 0.25% of band games45.0% for Blackn = 59,335 at 1800 · 0.28% of band games

• No. 213 most playedC at 600A at 1000B at 1400C at 1800

  Petrov's Defense: Stafford GambitC42

  1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nc6

  46.4% for Blackn = 4,371 at 600 · 0.10% of band games52.5% for Blackn = 25,774 at 1000 · 0.18% of band games51.7% for Blackn = 21,847 at 1400 · 0.20% of band games48.5% for Blackn = 33,185 at 1800 · 0.16% of band games

• No. 214 most playedD at 600C at 1000C at 1400B at 1800

  St. George DefenseB00

  1. e4 a6

  40.7% for Blackn = 5,629 at 600 · 0.13% of band games45.1% for Blackn = 25,428 at 1000 · 0.18% of band games46.3% for Blackn = 19,654 at 1400 · 0.18% of band games46.9% for Blackn = 29,574 at 1800 · 0.14% of band games

• No. 215 most playedD at 600B at 1000D at 1400C at 1800

  Caro-Kann Defense: Two Knights AttackB10

  1. e4 c6 2. Nc3 d5 3. Nf3

  46.9% for Whiten = 8,396 at 600 · 0.20% of band games47.1% for Whiten = 25,342 at 1000 · 0.18% of band games48.4% for Whiten = 19,302 at 1400 · 0.18% of band games50.1% for Whiten = 56,569 at 1800 · 0.27% of band games

• No. 216 most playedB at 600B at 1000B at 1400B at 1800

  Italian Game: Two Knights Defense, Polerio DefenseC58

  1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5

  53.2% for Blackn = 2,979 at 600 · 0.07% of band games51.2% for Blackn = 25,149 at 1000 · 0.18% of band games50.8% for Blackn = 19,437 at 1400 · 0.18% of band games48.9% for Blackn = 32,320 at 1800 · 0.15% of band games

• No. 217 most playedB at 600B at 1000B at 1400A at 1800

  Sicilian Defense: Nyezhmetdinov-Rossolimo AttackB30

  1. e4 c5 2. Nf3 Nc6 3. Bb5

  51.7% for Whiten = 1,886 at 600 · 0.04% of band games49.7% for Whiten = 24,624 at 1000 · 0.17% of band games49.5% for Whiten = 30,864 at 1400 · 0.29% of band games50.2% for Whiten = 81,702 at 1800 · 0.39% of band games

• No. 218 most playedC at 600B at 1000B at 1400B at 1800

  Old Indian DefenseA41

  1. d4 d6 2. c4

  50.8% for Whiten = 3,900 at 600 · 0.09% of band games50.7% for Whiten = 24,608 at 1000 · 0.17% of band games50.0% for Whiten = 25,626 at 1400 · 0.24% of band games48.3% for Whiten = 73,020 at 1800 · 0.35% of band games

• No. 219 most playedD at 600B at 1000C at 1400B at 1800

  Sicilian Defense: McDonnell AttackB21

  1. e4 c5 2. f4

  47.7% for Whiten = 2,292 at 600 · 0.05% of band games48.7% for Whiten = 24,482 at 1000 · 0.17% of band games48.6% for Whiten = 44,618 at 1400 · 0.42% of band games47.5% for Whiten = 169,259 at 1800 · 0.81% of band games

• No. 220 most playedB at 600C at 1000C at 1400C at 1800

  French Defense: Advance Variation, Paulsen AttackC02

  1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3

  47.8% for Whiten = 1,423 at 600 · 0.03% of band games46.1% for Whiten = 24,383 at 1000 · 0.17% of band games45.2% for Whiten = 30,672 at 1400 · 0.29% of band games46.2% for Whiten = 84,308 at 1800 · 0.40% of band games

• No. 221 most playedD at 600D at 1000D at 1400D at 1800

  Petrov's Defense: Damiano VariationC42

  1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nxe4

  34.5% for Blackn = 23,058 at 600 · 0.54% of band games33.6% for Blackn = 24,255 at 1000 · 0.17% of band games37.1% for Blackn = 7,362 at 1400 · 0.07% of band games42.4% for Blackn = 8,116 at 1800 · 0.04% of band games

• No. 222 most playedB at 600C at 1000D at 1400D at 1800

  King's Pawn Game: Wayward Queen Attack, Kiddie CountergambitC20

  1. e4 e5 2. Qh5 Nf6

  50.2% for Blackn = 38,235 at 600 · 0.90% of band games49.6% for Blackn = 24,179 at 1000 · 0.17% of band games49.6% for Blackn = 4,022 at 1400 · 0.04% of band games47.2% for Blackn = 2,131 at 1800 · 0.01% of band games

• No. 223 most playedC at 600C at 1000C at 1400C at 1800

  Benoni Defense: Benoni Gambit AcceptedA43

  1. d4 c5 2. dxc5

  50.7% for Whiten = 4,635 at 600 · 0.11% of band games48.0% for Whiten = 23,390 at 1000 · 0.17% of band games47.2% for Whiten = 20,179 at 1400 · 0.19% of band games45.6% for Whiten = 36,716 at 1800 · 0.18% of band games

• No. 224 most playedD at 600C at 1000C at 1400C at 1800

  English Opening: Symmetrical VariationA30

  1. c4 c5

  42.7% for Blackn = 5,397 at 600 · 0.13% of band games44.6% for Blackn = 23,230 at 1000 · 0.16% of band games44.9% for Blackn = 26,659 at 1400 · 0.25% of band games44.2% for Blackn = 84,984 at 1800 · 0.41% of band games

• No. 225 most playedD at 600C at 1000C at 1400C at 1800

  English Opening: King's English Variation, Two Knights VariationA22

  1. c4 e5 2. Nc3 Nf6

  45.2% for Blackn = 3,245 at 600 · 0.08% of band games45.9% for Blackn = 23,170 at 1000 · 0.16% of band games44.7% for Blackn = 24,288 at 1400 · 0.23% of band games43.7% for Blackn = 60,717 at 1800 · 0.29% of band games

• No. 226 most playedD at 600C at 1000C at 1400B at 1800

  Alekhine Defense: Normal VariationB02

  1. e4 Nf6 2. e5 Nd5

  40.7% for Blackn = 5,894 at 600 · 0.14% of band games44.1% for Blackn = 23,079 at 1000 · 0.16% of band games46.6% for Blackn = 23,255 at 1400 · 0.22% of band games49.1% for Blackn = 90,152 at 1800 · 0.43% of band games

• No. 227 most playedB at 600C at 1000B at 1400B at 1800

  English Opening: Anglo-Indian DefenseA15

  1. c4 Nf6

  48.9% for Blackn = 3,201 at 600 · 0.08% of band games46.1% for Blackn = 23,026 at 1000 · 0.16% of band games46.5% for Blackn = 32,210 at 1400 · 0.30% of band games45.5% for Blackn = 132,655 at 1800 · 0.63% of band games

• No. 228 most playedD at 600C at 1000C at 1400B at 1800

  English Opening: The WhaleC20

  1. e4 e5 2. c4

  43.4% for Whiten = 9,728 at 600 · 0.23% of band games47.9% for Whiten = 22,989 at 1000 · 0.16% of band games47.4% for Whiten = 13,360 at 1400 · 0.12% of band games48.7% for Whiten = 20,119 at 1800 · 0.10% of band games

• No. 229 most playedB at 600B at 1000B at 1400A at 1800

  King's Indian AttackA07

  1. Nf3 d5 2. g3

  49.4% for Whiten = 6,475 at 600 · 0.15% of band games50.4% for Whiten = 22,828 at 1000 · 0.16% of band games50.2% for Whiten = 17,197 at 1400 · 0.16% of band games52.4% for Whiten = 47,033 at 1800 · 0.22% of band games

• No. 230 most playedA at 600B at 1000B at 1400B at 1800

  Italian Game: Classical Variation, Center AttackC54

  1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4

  56.0% for Whiten = 4,303 at 600 · 0.10% of band games55.5% for Whiten = 22,768 at 1000 · 0.16% of band games54.8% for Whiten = 17,331 at 1400 · 0.16% of band games53.7% for Whiten = 29,258 at 1800 · 0.14% of band games

• No. 231 most playedC at 600B at 1000B at 1400B at 1800

  French Defense: Advance VariationC02

  1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6

  52.0% for Blackn = 1,404 at 600 · 0.03% of band games51.1% for Blackn = 22,472 at 1000 · 0.16% of band games51.7% for Blackn = 30,583 at 1400 · 0.28% of band games50.1% for Blackn = 94,498 at 1800 · 0.45% of band games

• No. 232 most playedD at 600C at 1000D at 1400C at 1800

  Queen's Pawn Game: London System, with e6D02

  1. d4 d5 2. Nf3 e6 3. Bf4 Nf6

  42.8% for Blackn = 3,068 at 600 · 0.07% of band games44.3% for Blackn = 22,256 at 1000 · 0.16% of band games44.5% for Blackn = 24,929 at 1400 · 0.23% of band games43.7% for Blackn = 62,461 at 1800 · 0.30% of band games

• No. 233 most playedB at 600C at 1000C at 1400D at 1800

  French Defense: Exchange VariationC01

  1. e4 e6 2. d4 d5 3. exd5 exd5 4. Nc3

  50.3% for Whiten = 2,808 at 600 · 0.07% of band games49.5% for Whiten = 22,165 at 1000 · 0.16% of band games47.8% for Whiten = 26,584 at 1400 · 0.25% of band games45.5% for Whiten = 57,121 at 1800 · 0.27% of band games

• No. 234 most playedB at 600C at 1000C at 1400C at 1800

  English Opening: Agincourt DefenseA13

  1. c4 e6

  47.6% for Blackn = 3,483 at 600 · 0.08% of band games45.4% for Blackn = 21,378 at 1000 · 0.15% of band games45.3% for Blackn = 25,235 at 1400 · 0.24% of band games45.3% for Blackn = 78,316 at 1800 · 0.37% of band games

• No. 235 most playedA at 600A at 1000S at 1400A at 1800

  Ruy Lopez: Berlin DefenseC65

  1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O

  55.3% for Whiten = 4,084 at 600 · 0.10% of band games57.7% for Whiten = 20,805 at 1000 · 0.15% of band games57.5% for Whiten = 13,685 at 1400 · 0.13% of band games54.0% for Whiten = 29,270 at 1800 · 0.14% of band games

• No. 236 most playedC at 600C at 1000B at 1400B at 1800

  French Defense: King's Indian AttackC00

  1. e4 e6 2. d3

  46.0% for Whiten = 6,015 at 600 · 0.14% of band games47.0% for Whiten = 20,723 at 1000 · 0.15% of band games47.1% for Whiten = 16,973 at 1400 · 0.16% of band games47.9% for Whiten = 36,107 at 1800 · 0.17% of band games

• No. 237 most playedB at 600B at 1000A at 1400B at 1800

  Italian Game: Classical Variation, Giuoco PianissimoC54

  1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3

  52.2% for Whiten = 2,271 at 600 · 0.05% of band games51.6% for Whiten = 20,458 at 1000 · 0.14% of band games52.5% for Whiten = 19,701 at 1400 · 0.18% of band games50.4% for Whiten = 39,655 at 1800 · 0.19% of band games

• No. 238 most playedA at 600C at 1000D at 1400D at 1800

  Blackmar-Diemer GambitD00

  1. d4 d5 2. e4 dxe4 3. Nc3 Nf6

  51.9% for Blackn = 5,494 at 600 · 0.13% of band games46.6% for Blackn = 20,424 at 1000 · 0.14% of band games45.1% for Blackn = 18,211 at 1400 · 0.17% of band games43.9% for Blackn = 46,034 at 1800 · 0.22% of band games

• No. 239 most playedB at 600A at 1000B at 1400C at 1800

  Petrov's Defense: Stafford Gambit AcceptedC42

  1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nc6 4. Nxc6 dxc6

  49.9% for Blackn = 2,409 at 600 · 0.06% of band games54.1% for Blackn = 20,426 at 1000 · 0.14% of band games53.3% for Blackn = 17,989 at 1400 · 0.17% of band games49.4% for Blackn = 27,659 at 1800 · 0.13% of band games

• No. 240 most playedC at 600B at 1000B at 1400C at 1800

  East Indian DefenseA48

  1. d4 Nf6 2. Nf3 g6

  50.9% for Blackn = 3,918 at 600 · 0.09% of band games50.1% for Blackn = 20,347 at 1000 · 0.14% of band games48.3% for Blackn = 21,414 at 1400 · 0.20% of band games46.7% for Blackn = 72,356 at 1800 · 0.35% of band games

• No. 241 most playedD at 600C at 1000B at 1400C at 1800

  French Defense: La Bourdonnais VariationC00

  1. e4 e6 2. f4

  45.7% for Whiten = 3,301 at 600 · 0.08% of band games48.3% for Whiten = 20,089 at 1000 · 0.14% of band games49.3% for Whiten = 27,820 at 1400 · 0.26% of band games48.3% for Whiten = 79,980 at 1800 · 0.38% of band games

• No. 242 most playedD at 600A at 1000B at 1400A at 1800

  Queen's Pawn Game: Levitsky AttackD00

  1. d4 d5 2. Bg5

  43.8% for Whiten = 6,129 at 600 · 0.14% of band games52.5% for Whiten = 20,058 at 1000 · 0.14% of band games53.3% for Whiten = 20,749 at 1400 · 0.19% of band games52.6% for Whiten = 46,467 at 1800 · 0.22% of band games

• No. 243 most playedD at 600B at 1000C at 1400C at 1800

  Queen's Pawn Game: Colle SystemD05

  1. d4 d5 2. Nf3 Nf6 3. e3 e6

  44.9% for Blackn = 4,075 at 600 · 0.10% of band games45.3% for Blackn = 19,902 at 1000 · 0.14% of band games44.4% for Blackn = 21,875 at 1400 · 0.20% of band games44.4% for Blackn = 53,426 at 1800 · 0.26% of band games

• No. 244 most playedD at 600C at 1000C at 1400C at 1800

  King's Indian DefenseE61

  1. d4 Nf6 2. c4 g6 3. Nc3

  51.0% for Whiten = 1,551 at 600 · 0.04% of band games48.5% for Whiten = 19,382 at 1000 · 0.14% of band games48.8% for Whiten = 30,354 at 1400 · 0.28% of band games47.9% for Whiten = 124,899 at 1800 · 0.60% of band games

• No. 245 most playedC at 600C at 1000C at 1400B at 1800

  Scandinavian Defense: Blackburne-Kloosterboer GambitB01

  1. e4 d5 2. exd5 c6

  40.3% for Blackn = 4,149 at 600 · 0.10% of band games45.6% for Blackn = 19,091 at 1000 · 0.13% of band games47.3% for Blackn = 17,187 at 1400 · 0.16% of band games49.9% for Blackn = 44,386 at 1800 · 0.21% of band games

• No. 246 most playedC at 600A at 1000C at 1400B at 1800

  Modern Defense: Two Knights VariationB06

  1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3

  49.2% for Whiten = 2,339 at 600 · 0.05% of band games49.9% for Whiten = 18,978 at 1000 · 0.13% of band games49.5% for Whiten = 18,406 at 1400 · 0.17% of band games48.8% for Whiten = 37,370 at 1800 · 0.18% of band games

• No. 247 most playedC at 600C at 1000C at 1400C at 1800

  Zukertort Opening: Sicilian InvitationA04

  1. Nf3 c5

  47.5% for Blackn = 3,926 at 600 · 0.09% of band games48.5% for Blackn = 18,667 at 1000 · 0.13% of band games47.9% for Blackn = 19,926 at 1400 · 0.19% of band games45.8% for Blackn = 64,951 at 1800 · 0.31% of band games

• No. 248 most playedB at 600C at 1000C at 1400C at 1800

  Zukertort Opening: Pirc InvitationA04

  1. Nf3 d6

  47.5% for Blackn = 5,442 at 600 · 0.13% of band games46.2% for Blackn = 18,565 at 1000 · 0.13% of band games46.3% for Blackn = 14,782 at 1400 · 0.14% of band games45.4% for Blackn = 35,856 at 1800 · 0.17% of band games

• No. 249 most playedD at 600C at 1000C at 1400B at 1800

  Sicilian Defense: Hyperaccelerated DragonB27

  1. e4 c5 2. Nf3 g6

  49.1% for Blackn = 2,204 at 600 · 0.05% of band games48.9% for Blackn = 18,041 at 1000 · 0.13% of band games48.9% for Blackn = 19,879 at 1400 · 0.19% of band games48.7% for Blackn = 62,294 at 1800 · 0.30% of band games

• No. 250 most playedB at 600A at 1000A at 1400A at 1800

  Ruy Lopez: Steinitz DefenseC62

  1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. d4

  53.4% for Whiten = 1,812 at 600 · 0.04% of band games53.6% for Whiten = 18,026 at 1000 · 0.13% of band games53.0% for Whiten = 18,993 at 1400 · 0.18% of band games54.6% for Whiten = 33,627 at 1800 · 0.16% of band games

• No. 251 most playedD at 600C at 1000C at 1400C at 1800

  Sicilian Defense: Staunton-Cochrane VariationB20

  1. e4 c5 2. c4

  44.3% for Whiten = 4,293 at 600 · 0.10% of band games45.9% for Whiten = 17,928 at 1000 · 0.13% of band games45.5% for Whiten = 13,278 at 1400 · 0.12% of band games46.8% for Whiten = 32,965 at 1800 · 0.16% of band games

• No. 252 most playedC at 600C at 1000C at 1400C at 1800

  Caro-Kann Defense: Classical VariationB18

  1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5

  46.6% for Blackn = 2,464 at 600 · 0.06% of band games47.7% for Blackn = 17,678 at 1000 · 0.12% of band games45.4% for Blackn = 17,935 at 1400 · 0.17% of band games44.0% for Blackn = 46,787 at 1800 · 0.22% of band games

• No. 253 most playedC at 600C at 1000C at 1400B at 1800

  Sicilian Defense: French Variation, OpenB40

  1. e4 c5 2. Nf3 e6 3. d4 cxd4

  50.4% for Blackn = 1,013 at 600 · 0.02% of band games49.6% for Blackn = 17,656 at 1000 · 0.12% of band games49.6% for Blackn = 31,363 at 1400 · 0.29% of band games49.3% for Blackn = 124,847 at 1800 · 0.60% of band games

• No. 254 most playedB at 600B at 1000B at 1400A at 1800

  Queen's Gambit Declined: Three Knights VariationD37

  1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3

  53.0% for Whiten = 1,607 at 600 · 0.04% of band games52.2% for Whiten = 17,238 at 1000 · 0.12% of band games51.4% for Whiten = 24,909 at 1400 · 0.23% of band games51.0% for Whiten = 94,551 at 1800 · 0.45% of band games

• No. 255 most playedD at 600C at 1000C at 1400B at 1800

  Old Indian DefenseA53

  1. d4 Nf6 2. c4 d6

  48.0% for Blackn = 1,795 at 600 · 0.04% of band games47.2% for Blackn = 16,850 at 1000 · 0.12% of band games47.0% for Blackn = 18,771 at 1400 · 0.17% of band games46.7% for Blackn = 57,399 at 1800 · 0.27% of band games

• No. 256 most playedC at 600B at 1000B at 1400B at 1800

  Slav Defense: Modern LineD11

  1. d4 d5 2. c4 c6 3. Nf3

  53.4% for Whiten = 1,952 at 600 · 0.05% of band games51.6% for Whiten = 15,982 at 1000 · 0.11% of band games51.5% for Whiten = 18,282 at 1400 · 0.17% of band games51.7% for Whiten = 63,497 at 1800 · 0.30% of band games

• No. 257 most playedC at 600B at 1000B at 1400C at 1800

  Italian Game: Hungarian DefenseC50

  1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7

  46.4% for Blackn = 1,640 at 600 · 0.04% of band games49.6% for Blackn = 15,449 at 1000 · 0.11% of band games48.6% for Blackn = 18,031 at 1400 · 0.17% of band games46.9% for Blackn = 42,513 at 1800 · 0.20% of band games

• No. 258 most playedD at 600D at 1000D at 1400C at 1800

  Queen's Gambit Declined: Albin CountergambitD08

  1. d4 d5 2. c4 e5

  42.5% for Blackn = 2,973 at 600 · 0.07% of band games44.3% for Blackn = 14,773 at 1000 · 0.10% of band games46.3% for Blackn = 13,995 at 1400 · 0.13% of band games46.0% for Blackn = 38,318 at 1800 · 0.18% of band games

• No. 259 most playedC at 600B at 1000C at 1400C at 1800

  Sicilian Defense: ClosedB23

  1. e4 c5 2. Nc3 e6

  51.7% for Blackn = 2,251 at 600 · 0.05% of band games49.9% for Blackn = 14,727 at 1000 · 0.10% of band games50.1% for Blackn = 17,092 at 1400 · 0.16% of band games47.4% for Blackn = 55,037 at 1800 · 0.26% of band games

• No. 260 most playedD at 600B at 1000B at 1400C at 1800

  Philidor DefenseC41

  1. e4 e5 2. Nf3 d6 3. Bc4 Be7

  45.4% for Blackn = 1,164 at 600 · 0.03% of band games49.0% for Blackn = 14,583 at 1000 · 0.10% of band games49.1% for Blackn = 20,228 at 1400 · 0.19% of band games47.2% for Blackn = 52,122 at 1800 · 0.25% of band games

• No. 261 most playedA at 600B at 1000B at 1400B at 1800

  Benoni Defense: Old BenoniA43

  1. d4 c5 2. d5

  53.5% for Whiten = 1,143 at 600 · 0.03% of band games51.5% for Whiten = 13,708 at 1000 · 0.10% of band games50.7% for Whiten = 20,797 at 1400 · 0.19% of band games48.6% for Whiten = 76,217 at 1800 · 0.36% of band games

• No. 262 most playedC at 600C at 1000B at 1400B at 1800

  Trompowsky AttackA45

  1. d4 Nf6 2. Bg5

  46.6% for Whiten = 2,059 at 600 · 0.05% of band games48.8% for Whiten = 13,476 at 1000 · 0.10% of band games49.3% for Whiten = 14,618 at 1400 · 0.14% of band games48.4% for Whiten = 42,190 at 1800 · 0.20% of band games

• No. 263 most playedD at 600D at 1000C at 1400B at 1800

  Scandinavian Defense: Gubinsky-Melts DefenseB01

  1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6

  40.8% for Blackn = 2,525 at 600 · 0.06% of band games44.3% for Blackn = 13,198 at 1000 · 0.09% of band games46.4% for Blackn = 10,868 at 1400 · 0.10% of band games48.8% for Blackn = 28,288 at 1800 · 0.14% of band games

• No. 264 most playedD at 600D at 1000C at 1400C at 1800

  Petrov's DefenseC42

  1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6

  42.2% for Blackn = 4,271 at 600 · 0.10% of band games45.0% for Blackn = 12,701 at 1000 · 0.09% of band games47.3% for Blackn = 10,841 at 1400 · 0.10% of band games45.2% for Blackn = 28,143 at 1800 · 0.13% of band games

• No. 265 most playedD at 600A at 1000A at 1400A at 1800

  Sicilian Defense: Smith-Morra GambitB21

  1. e4 c5 2. d4 cxd4 3. c3

  47.7% for Whiten = 627 at 600 · 0.01% of band games51.3% for Whiten = 12,427 at 1000 · 0.09% of band games50.9% for Whiten = 23,210 at 1400 · 0.22% of band games50.5% for Whiten = 104,990 at 1800 · 0.50% of band games

• No. 266 most playedB at 600C at 1000B at 1400B at 1800

  Queen's Gambit Declined: Modern VariationD50

  1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5

  54.2% for Whiten = 757 at 600 · 0.02% of band games52.8% for Whiten = 12,413 at 1000 · 0.09% of band games51.1% for Whiten = 19,862 at 1400 · 0.19% of band games50.4% for Whiten = 67,163 at 1800 · 0.32% of band games

• No. 267 most playedA at 600B at 1000B at 1400B at 1800

  English Opening: Symmetrical Variation, Normal VariationA34

  1. c4 c5 2. Nc3

  54.6% for Whiten = 2,275 at 600 · 0.05% of band games52.4% for Whiten = 12,336 at 1000 · 0.09% of band games51.7% for Whiten = 14,758 at 1400 · 0.14% of band games50.6% for Whiten = 51,349 at 1800 · 0.25% of band games

• No. 268 most playedD at 600D at 1000D at 1400C at 1800

  Barnes OpeningA00

  1. f3

  37.6% for Whiten = 6,726 at 600 · 0.16% of band games41.0% for Whiten = 12,008 at 1000 · 0.08% of band games39.8% for Whiten = 6,794 at 1400 · 0.06% of band games46.5% for Whiten = 13,106 at 1800 · 0.06% of band games

• No. 269 most playedB at 600A at 1000C at 1400B at 1800

  Slav Defense: Three Knights VariationD15

  1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3

  51.6% for Whiten = 1,171 at 600 · 0.03% of band games51.2% for Whiten = 11,906 at 1000 · 0.08% of band games50.7% for Whiten = 15,996 at 1400 · 0.15% of band games51.1% for Whiten = 69,029 at 1800 · 0.33% of band games

• No. 270 most playedC at 600D at 1000C at 1400C at 1800

  Alekhine Defense: Scandinavian VariationB02

  1. e4 Nf6 2. Nc3 d5

  46.0% for Blackn = 11,167 at 600 · 0.26% of band games46.7% for Blackn = 11,865 at 1000 · 0.08% of band games51.0% for Blackn = 7,289 at 1400 · 0.07% of band games50.6% for Blackn = 26,411 at 1800 · 0.13% of band games

• No. 271 most playedC at 600B at 1000C at 1400B at 1800

  English Opening: Anglo-Indian Defense, Queen's Knight VariationA16

  1. c4 Nf6 2. Nc3

  48.1% for Whiten = 1,390 at 600 · 0.03% of band games50.2% for Whiten = 11,778 at 1000 · 0.08% of band games50.2% for Whiten = 17,498 at 1400 · 0.16% of band games50.0% for Whiten = 78,644 at 1800 · 0.38% of band games

• No. 272 most playedC at 600C at 1000C at 1400C at 1800

  English Opening: Caro-Kann Defensive SystemA11

  1. c4 c6

  48.6% for Blackn = 1,927 at 600 · 0.05% of band games46.6% for Blackn = 11,675 at 1000 · 0.08% of band games46.8% for Blackn = 14,239 at 1400 · 0.13% of band games46.4% for Blackn = 50,049 at 1800 · 0.24% of band games

• No. 273 most playedC at 600C at 1000B at 1400B at 1800

  Sicilian Defense: Modern Variations, Main LineB54

  1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6

  48.7% for Blackn = 731 at 600 · 0.02% of band games49.5% for Blackn = 11,313 at 1000 · 0.08% of band games49.5% for Blackn = 22,020 at 1400 · 0.21% of band games48.5% for Blackn = 119,987 at 1800 · 0.57% of band games

• No. 274 most playedB at 600C at 1000B at 1400A at 1800

  Réti OpeningA09

  1. Nf3 d5 2. c4

  52.4% for Whiten = 1,950 at 600 · 0.05% of band games52.9% for Whiten = 11,305 at 1000 · 0.08% of band games52.4% for Whiten = 11,994 at 1400 · 0.11% of band games53.5% for Whiten = 41,177 at 1800 · 0.20% of band games

• No. 275 most playedD at 600B at 1000B at 1400B at 1800

  King's Indian Defense: Normal VariationE70

  1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6

  45.4% for Blackn = 788 at 600 · 0.02% of band games48.9% for Blackn = 11,111 at 1000 · 0.08% of band games47.3% for Blackn = 17,503 at 1400 · 0.16% of band games46.2% for Blackn = 81,854 at 1800 · 0.39% of band games

• No. 276 most playedB at 600C at 1000C at 1400C at 1800

  Dutch DefenseA84

  1. d4 f5 2. c4

  53.6% for Whiten = 1,364 at 600 · 0.03% of band games50.7% for Whiten = 10,914 at 1000 · 0.08% of band games48.8% for Whiten = 14,228 at 1400 · 0.13% of band games48.2% for Whiten = 48,255 at 1800 · 0.23% of band games

• No. 277 most playedD at 600C at 1000B at 1400B at 1800

  English Opening: Great Snake VariationA10

  1. c4 g6

  48.3% for Blackn = 1,349 at 600 · 0.03% of band games47.4% for Blackn = 10,520 at 1000 · 0.07% of band games46.7% for Blackn = 14,139 at 1400 · 0.13% of band games45.5% for Blackn = 43,265 at 1800 · 0.21% of band games

• No. 278 most playedA at 600C at 1000C at 1400C at 1800

  Italian Game: Two Knights Defense, Traxler Counterattack, Knight Sacrifice LineC57

  1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 Bc5 5. Nxf7

  56.4% for Whiten = 3,659 at 600 · 0.09% of band games48.4% for Whiten = 10,373 at 1000 · 0.07% of band games48.3% for Whiten = 3,721 at 1400 · 0.03% of band games46.4% for Whiten = 3,340 at 1800 · 0.02% of band games

• No. 279 most playedD at 600C at 1000C at 1400C at 1800

  Semi-Slav Defense: Accelerated Move OrderD31

  1. d4 d5 2. c4 e6 3. Nc3 c6

  45.1% for Blackn = 1,040 at 600 · 0.02% of band games44.4% for Blackn = 10,361 at 1000 · 0.07% of band games44.7% for Blackn = 15,194 at 1400 · 0.14% of band games44.7% for Blackn = 61,748 at 1800 · 0.30% of band games

• No. 280 most playedD at 600C at 1000C at 1400C at 1800

  Sicilian Defense: Accelerated DragonB32

  1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6

  52.4% for Blackn = 492 at 600 · 0.01% of band games50.2% for Blackn = 10,287 at 1000 · 0.07% of band games48.7% for Blackn = 18,444 at 1400 · 0.17% of band games47.7% for Blackn = 67,466 at 1800 · 0.32% of band games

• No. 281 most playedB at 600A at 1000A at 1400B at 1800

  Modern Defense: Standard LineB06

  1. e4 g6 2. d4 Bg7 3. Nc3

  51.2% for Whiten = 1,191 at 600 · 0.03% of band games52.4% for Whiten = 9,479 at 1000 · 0.07% of band games52.0% for Whiten = 12,275 at 1400 · 0.11% of band games52.8% for Whiten = 41,598 at 1800 · 0.20% of band games

• No. 282 most playedB at 600B at 1000B at 1400A at 1800

  King's Indian Defense: Normal VariationE70

  1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4

  53.3% for Whiten = 777 at 600 · 0.02% of band games49.3% for Whiten = 9,404 at 1000 · 0.07% of band games50.0% for Whiten = 14,778 at 1400 · 0.14% of band games50.1% for Whiten = 64,176 at 1800 · 0.31% of band games

• No. 283 most playedD at 600D at 1000D at 1400D at 1800

  Sicilian Defense: Taimanov VariationB44

  1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6

  52.2% for Blackn = 339 at 600 · 0.01% of band games48.6% for Blackn = 9,316 at 1000 · 0.07% of band games48.5% for Blackn = 17,785 at 1400 · 0.17% of band games47.3% for Blackn = 68,141 at 1800 · 0.33% of band games

• No. 284 most playedC at 600C at 1000C at 1400C at 1800

  French Defense: Classical VariationC11

  1. e4 e6 2. d4 d5 3. Nc3 Nf6

  47.3% for Blackn = 2,795 at 600 · 0.07% of band games48.2% for Blackn = 9,104 at 1000 · 0.06% of band games48.8% for Blackn = 10,100 at 1400 · 0.09% of band games47.7% for Blackn = 49,472 at 1800 · 0.24% of band games

• No. 285 most playedA at 600B at 1000C at 1400D at 1800

  Alekhine DefenseB03

  1. e4 Nf6 2. e5 Nd5 3. d4

  55.9% for Whiten = 1,817 at 600 · 0.04% of band games52.1% for Whiten = 8,761 at 1000 · 0.06% of band games48.9% for Whiten = 9,138 at 1400 · 0.09% of band games46.4% for Whiten = 37,719 at 1800 · 0.18% of band games

• No. 286 most playedD at 600B at 1000C at 1400C at 1800

  King's Indian Defense: Normal Variation, Rare DefensesE90

  1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3

  51.4% for Whiten = 627 at 600 · 0.01% of band games47.3% for Whiten = 8,717 at 1000 · 0.06% of band games48.2% for Whiten = 12,091 at 1400 · 0.11% of band games47.9% for Whiten = 41,454 at 1800 · 0.20% of band games

• No. 287 most playedD at 600C at 1000C at 1400C at 1800

  Sicilian Defense: Smith-Morra Gambit AcceptedB21

  1. e4 c5 2. d4 cxd4 3. c3 dxc3

  48.1% for Blackn = 435 at 600 · 0.01% of band games46.1% for Blackn = 8,717 at 1000 · 0.06% of band games46.0% for Blackn = 16,695 at 1400 · 0.16% of band games44.9% for Blackn = 70,598 at 1800 · 0.34% of band games

• No. 288 most playedD at 600D at 1000D at 1400D at 1800

  Sicilian Defense: Löwenthal VariationB32

  1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5

  46.3% for Blackn = 423 at 600 · 0.01% of band games48.8% for Blackn = 8,661 at 1000 · 0.06% of band games47.4% for Blackn = 18,029 at 1400 · 0.17% of band games46.4% for Blackn = 74,012 at 1800 · 0.35% of band games

• No. 289 most playedC at 600B at 1000B at 1400B at 1800

  Nimzo-Indian DefenseE20

  1. d4 Nf6 2. c4 e6 3. Nc3 Bb4

  47.2% for Blackn = 464 at 600 · 0.01% of band games46.5% for Blackn = 7,892 at 1000 · 0.06% of band games46.6% for Blackn = 13,689 at 1400 · 0.13% of band games47.0% for Blackn = 62,586 at 1800 · 0.30% of band games

• No. 290 most playedC at 600C at 1000B at 1400B at 1800

  King's Gambit Declined: Falkbeer CountergambitC31

  1. e4 e5 2. f4 d5

  48.6% for Blackn = 1,036 at 600 · 0.02% of band games48.1% for Blackn = 7,385 at 1000 · 0.05% of band games48.6% for Blackn = 12,463 at 1400 · 0.12% of band games48.8% for Blackn = 53,688 at 1800 · 0.26% of band games

• No. 291 most playedB at 600B at 1000B at 1400B at 1800

  Sicilian Defense: Delayed Alapin Variation, with d6B50

  1. e4 c5 2. Nf3 d6 3. c3

  49.3% for Whiten = 487 at 600 · 0.01% of band games49.8% for Whiten = 7,339 at 1000 · 0.05% of band games50.3% for Whiten = 12,147 at 1400 · 0.11% of band games49.3% for Whiten = 46,817 at 1800 · 0.22% of band games

• No. 292 most playedD at 600B at 1000C at 1400C at 1800

  King's Indian Defense: Normal Variation, King's Knight VariationE60

  1. d4 Nf6 2. Nf3 g6 3. c4

  45.3% for Whiten = 740 at 600 · 0.02% of band games47.7% for Whiten = 6,735 at 1000 · 0.05% of band games47.9% for Whiten = 8,640 at 1400 · 0.08% of band games47.7% for Whiten = 32,629 at 1800 · 0.16% of band games

• No. 293 most playedD at 600B at 1000C at 1400B at 1800

  Sicilian Defense: Taimanov VariationB45

  1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3

  48.9% for Whiten = 319 at 600 · 0.01% of band games49.6% for Whiten = 6,078 at 1000 · 0.04% of band games49.7% for Whiten = 11,451 at 1400 · 0.11% of band games48.6% for Whiten = 45,643 at 1800 · 0.22% of band games

• No. 294 most playedC at 600C at 1000C at 1400B at 1800

  Indian Defense: Anti-Nimzo-IndianE10

  1. d4 Nf6 2. c4 e6 3. Nf3

  50.6% for Whiten = 597 at 600 · 0.01% of band games52.2% for Whiten = 5,967 at 1000 · 0.04% of band games50.4% for Whiten = 8,604 at 1400 · 0.08% of band games50.0% for Whiten = 43,797 at 1800 · 0.21% of band games

• No. 295 most playedno grade at 600D at 1000D at 1400D at 1800

  Queen's Gambit DeclinedD53

  1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7

  41.8% for Blackn = 299 at 600 · 0.01% of band games44.1% for Blackn = 5,758 at 1000 · 0.04% of band games45.9% for Blackn = 10,776 at 1400 · 0.10% of band games44.7% for Blackn = 42,959 at 1800 · 0.21% of band games

• No. 296 most playedD at 600D at 1000D at 1400D at 1800

  Semi-Slav DefenseD43

  1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6

  45.7% for Blackn = 530 at 600 · 0.01% of band games44.8% for Blackn = 5,644 at 1000 · 0.04% of band games44.7% for Blackn = 8,872 at 1400 · 0.08% of band games44.3% for Blackn = 47,463 at 1800 · 0.23% of band games

• No. 297 most playedC at 600A at 1000B at 1400C at 1800

  Petrov's Defense: Stafford Gambit AcceptedC42

  1. e4 e5 2. Nf3 Nf6 3. Nxe5 Nc6 4. Nxc6 dxc6 5. d3 Bc5

  52.5% for Blackn = 320 at 600 · 0.01% of band games55.1% for Blackn = 5,297 at 1000 · 0.04% of band games52.2% for Blackn = 6,892 at 1400 · 0.06% of band games49.1% for Blackn = 13,442 at 1800 · 0.06% of band games

• No. 298 most playedno grade at 600B at 1000B at 1400B at 1800

  Sicilian Defense: Najdorf VariationB90

  1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6

  47.5% for Blackn = 221 at 600 · 0.01% of band games49.4% for Blackn = 5,223 at 1000 · 0.04% of band games49.1% for Blackn = 11,796 at 1400 · 0.11% of band games48.4% for Blackn = 70,702 at 1800 · 0.34% of band games

• No. 299 most playedno grade at 600D at 1000C at 1400C at 1800

  Sicilian Defense: OpenB33

  1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6

  51.6% for Blackn = 256 at 600 · 0.01% of band games48.7% for Blackn = 4,908 at 1000 · 0.03% of band games49.7% for Blackn = 8,505 at 1400 · 0.08% of band games49.2% for Blackn = 42,663 at 1800 · 0.20% of band games

• No. 300 most playedC at 600A at 1000B at 1400C at 1800

  Blackmar-Diemer Gambit Accepted: Ryder GambitD00

  1. d4 d5 2. e4 dxe4 3. Nc3 Nf6 4. f3 exf3 5. Qxf3

  47.5% for Whiten = 448 at 600 · 0.01% of band games55.6% for Whiten = 3,957 at 1000 · 0.03% of band games54.5% for Whiten = 3,962 at 1400 · 0.04% of band games52.4% for Whiten = 8,245 at 1800 · 0.04% of band games

• No. 301 most playedD at 600C at 1000B at 1400B at 1800

  Indian Defense: Budapest GambitA51

  1. d4 Nf6 2. c4 e5

  47.2% for Blackn = 362 at 600 · 0.01% of band games47.6% for Blackn = 3,577 at 1000 · 0.03% of band games48.7% for Blackn = 7,689 at 1400 · 0.07% of band games48.6% for Blackn = 44,102 at 1800 · 0.21% of band games

• No. 302 most playedno grade at 600D at 1000B at 1400B at 1800

  Benoni DefenseA56

  1. d4 Nf6 2. c4 c5

  45.5% for Blackn = 246 at 600 · 0.01% of band games47.2% for Blackn = 3,312 at 1000 · 0.02% of band games50.8% for Blackn = 5,692 at 1400 · 0.05% of band games50.5% for Blackn = 42,977 at 1800 · 0.21% of band games

• No. 303 most playedno grade at 600B at 1000C at 1400C at 1800

  Sicilian Defense: Dragon VariationB70

  1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6

  49.4% for Blackn = 259 at 600 · 0.01% of band games48.7% for Blackn = 3,312 at 1000 · 0.02% of band games50.0% for Blackn = 5,289 at 1400 · 0.05% of band games48.9% for Blackn = 26,111 at 1800 · 0.12% of band games

• No. 304 most playedno grade at 600A at 1000A at 1400B at 1800

  Sicilian Defense: Kan VariationB41

  1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6

  58.9% for Blackn = 124 at 600 · 0.00% of band games52.0% for Blackn = 2,360 at 1000 · 0.02% of band games52.7% for Blackn = 6,435 at 1400 · 0.06% of band games51.1% for Blackn = 38,728 at 1800 · 0.19% of band games

• No. 305 most playedno grade at 600A at 1000B at 1400A at 1800

  French Defense: Tarrasch VariationC03

  1. e4 e6 2. d4 d5 3. Nd2

  55.3% for Whiten = 199 at 600 · 0.00% of band games51.7% for Whiten = 2,350 at 1000 · 0.02% of band games51.7% for Whiten = 5,213 at 1400 · 0.05% of band games50.6% for Whiten = 43,232 at 1800 · 0.21% of band games

• No. 306 most playedC at 600C at 1000B at 1400B at 1800

  Vienna Game: Frankenstein-Dracula VariationC27

  1. e4 e5 2. Nc3 Nf6 3. Bc4 Nxe4

  51.3% for Blackn = 398 at 600 · 0.01% of band games51.3% for Blackn = 1,906 at 1000 · 0.01% of band games52.8% for Blackn = 1,772 at 1400 · 0.02% of band games49.3% for Blackn = 4,599 at 1800 · 0.02% of band games

• No. 307 most playedno grade at 600D at 1000C at 1400D at 1800

  Ruy Lopez: Morphy Defense, Modern Steinitz DefenseC71

  1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6

  42.3% for Blackn = 163 at 600 · 0.00% of band games43.6% for Blackn = 1,478 at 1000 · 0.01% of band games45.2% for Blackn = 2,075 at 1400 · 0.02% of band games45.8% for Blackn = 7,490 at 1800 · 0.04% of band games

• No. 308 most playedno grade at 600D at 1000C at 1400C at 1800

  Queen's Gambit Declined: Modern Variation, Knight DefenseD51

  1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7

  45.8% for Blackn = 24 at 600 · 0.00% of band games45.8% for Blackn = 612 at 1000 · 0.00% of band games49.2% for Blackn = 1,098 at 1400 · 0.01% of band games45.8% for Blackn = 4,543 at 1800 · 0.02% of band games

• No. 309 most playedno grade at 600no grade at 1000no grade at 1400no grade at 1800

  Ruy Lopez: Berlin Defense, Fishing Pole VariationC65

  1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. O-O Ng4

  40.0% for Blackn = 50 at 600 · 0.00% of band games48.3% for Blackn = 232 at 1000 · 0.00% of band games55.3% for Blackn = 150 at 1400 · 0.00% of band games47.6% for Blackn = 208 at 1800 · 0.00% of band games

• No. 310 most playedno grade at 600no grade at 1000B at 1400A at 1800

  Queen's Gambit Declined: Albin Countergambit, Lasker TrapD08

  1. d4 d5 2. c4 e5 3. dxe5 d4 4. e3 Bb4+ 5. Bd2 dxe3

  61.5% for Blackn = 13 at 600 · 0.00% of band games60.1% for Blackn = 213 at 1000 · 0.00% of band games68.0% for Blackn = 425 at 1400 · 0.00% of band games62.8% for Blackn = 1,278 at 1800 · 0.01% of band games

• No. 311 most playedno grade at 600no grade at 1000C at 1400A at 1800

  Indian Defense: Budapest Gambit Accepted, Main Line, Rubinstein VariationA52

  1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Bf4

  66.7% for Whiten = 3 at 600 · 0.00% of band games51.2% for Whiten = 172 at 1000 · 0.00% of band games51.0% for Whiten = 443 at 1400 · 0.00% of band games51.3% for Whiten = 3,315 at 1800 · 0.02% of band games

• No. 312 most playedno grade at 600no grade at 1000no grade at 1400C at 1800

  Ruy Lopez: Berlin Defense, Anti-Berlin Variation, Mortimer VariationC65

  1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 Ne7

  25.0% for Blackn = 4 at 600 · 0.00% of band games48.8% for Blackn = 86 at 1000 · 0.00% of band games58.8% for Blackn = 97 at 1400 · 0.00% of band games52.9% for Blackn = 429 at 1800 · 0.00% of band games

• No. 313 most playedno grade at 600no grade at 1000no grade at 1400C at 1800

  Sicilian Defense: Smith-Morra Gambit Accepted, Siberian VariationB21

  1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 Qc7

  100.0% for Blackn = 1 at 600 · 0.00% of band games42.2% for Blackn = 45 at 1000 · 0.00% of band games47.7% for Blackn = 88 at 1400 · 0.00% of band games50.3% for Blackn = 599 at 1800 · 0.00% of band games

• No. 314 most playedno grade at 600no grade at 1000no grade at 1400no grade at 1800

  Petrov's Defense: Classical Attack, Tarrasch VariationC42

  1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. O-O O-O 8. c4 Bg4

  Not enough games at 600 to report.0.0% for Blackn = 1 at 1000 · 0.00% of band games0.0% for Blackn = 1 at 1400 · 0.00% of band games0.0% for Blackn = 4 at 1800 · 0.00% of band games