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Click a move, or focus the board and use the arrow keys.

Center GameNormal Variation

C22For BlackAggressiveLow theory

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

A line for Black. Every figure below is computed separately for each rating band, and every one carries its own sample size.

Win rate, Black
54.2%51.5%49.7%45.4%
Band 600, n = 20,972Band 1000, n = 87,038Band 1400, n = 41,768Band 1800, n = 42,286
Blunder rate
35.6%51.2%38.5%48.7%
Band median 44.6%Band median 42.9%Band median 40.0%Band median 36.4%
Tier
ABBD
Black, band 600Black, band 1000Black, band 1400Black, band 1800
Share of games
0.5%0.6%0.4%0.2%
Of band 600 gamesOf band 1000 gamesOf band 1400 gamesOf band 1800 games
Every band, source period 2026-05
BandWhiteDrawBlackBlunderBook exitGamesTier
60041.9%3.9%54.2%35.6%ply 6.020,972A
100044.6%4.0%51.5%51.2%ply 6.087,038B
140046.5%3.8%49.7%38.5%ply 6.041,768B
180050.6%4.0%45.4%48.7%ply 6.042,286D

Results by band

What it actually does, band by band.

All four bands are on the page. The one matching your rating is marked. Nothing here is averaged across bands.

600Your bandA at 600Blunder rate 35.6%, band median 44.6%

At 600, the Center Game: Normal Variation scores 54.2% for Black across 20,972 games. That is comfortably above average at this level. Games in this line leave known theory around move 3 on average, and 35.6% include an early material blunder (45 games at 600).

1000Your bandB at 1000Blunder rate 51.2%, band median 42.9%

At 1000, the Center Game: Normal Variation scores 51.5% for Black across 87,038 games. That is close to the average at this level. Games in this line leave known theory around move 3 on average, and 51.2% include an early material blunder (168 games at 1000).

1400Your bandB at 1400Blunder rate 38.5%, band median 40.0%

At 1400, the Center Game: Normal Variation scores 49.7% for Black across 41,768 games. That is close to the average at this level. Games in this line leave known theory around move 3 on average, and 38.5% include an early material blunder (65 games at 1400).

1800Your bandD at 1800Blunder rate 48.7%, band median 36.4%

At 1800, the Center Game: Normal Variation scores 45.4% for Black across 42,286 games. Most openings score better than this at this level. Games in this line leave known theory around move 3 on average, and 48.7% include an early material blunder (74 games at 1800).

Questions

Common questions about this page.

At 600, the Center Game: Normal Variation scores 54.2% for Black across 20,972 games. That is comfortably above average at this level. Games in this line leave known theory around move 3 on average, and 35.6% include an early material blunder (45 games at 600).

At 1000, the Center Game: Normal Variation scores 51.5% for Black across 87,038 games. That is close to the average at this level. Games in this line leave known theory around move 3 on average, and 51.2% include an early material blunder (168 games at 1000).

The Center Game: Normal Variation (C22) is a line for Black. The main line runs 1. e4 e5 2. d4 exd4 3. Qxd4 Nc6.