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Rapport-Jobava System

D01For White

1. d4 d5 2. Nc3 Nf6 3. Bf4

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

Win rate, White
54.2%53.6%52.4%51.4%
Band 600, n = 13,000Band 1000, n = 60,731Band 1400, n = 41,746Band 1800, n = 76,908
Blunder rate
26.9%59.6%56.6%55.7%
Band median 44.6%Band median 42.9%Band median 40.0%Band median 36.4%
Tier
ABBB
White, band 600White, band 1000White, band 1400White, band 1800
Share of games
0.3%0.4%0.4%0.4%
Of band 600 gamesOf band 1000 gamesOf band 1400 gamesOf band 1800 games
Every band, source period 2026-05
BandWhiteDrawBlackBlunderBook exitGamesTier
60054.2%4.0%41.8%26.9%ply 5.013,000A
100053.6%3.7%42.7%59.6%ply 5.060,731B
140052.4%3.8%43.8%56.6%ply 5.041,746B
180051.4%4.4%44.2%55.7%ply 5.076,908B

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 26.9%, band median 44.6%

At 600, the Rapport-Jobava System scores 54.2% for White across 13,000 games. That is comfortably above average at this level. Games in this line leave known theory around move 3 on average, and 26.9% include an early material blunder (26 games at 600).

1000Your bandB at 1000Blunder rate 59.6%, band median 42.9%

At 1000, the Rapport-Jobava System scores 53.6% for White across 60,731 games. That is close to the average at this level. Games in this line leave known theory around move 3 on average, and 59.6% include an early material blunder (94 games at 1000).

1400Your bandB at 1400Blunder rate 56.6%, band median 40.0%

At 1400, the Rapport-Jobava System scores 52.4% for White across 41,746 games. That is close to the average at this level. Games in this line leave known theory around move 3 on average, and 56.6% include an early material blunder (76 games at 1400).

1800Your bandB at 1800Blunder rate 55.7%, band median 36.4%

At 1800, the Rapport-Jobava System scores 51.4% for White across 76,908 games. That is close to the average at this level. Games in this line leave known theory around move 3 on average, and 55.7% include an early material blunder (106 games at 1800).

Questions

Common questions about this page.

At 600, the Rapport-Jobava System scores 54.2% for White across 13,000 games. That is comfortably above average at this level. Games in this line leave known theory around move 3 on average, and 26.9% include an early material blunder (26 games at 600).

At 1000, the Rapport-Jobava System scores 53.6% for White across 60,731 games. That is close to the average at this level. Games in this line leave known theory around move 3 on average, and 59.6% include an early material blunder (94 games at 1000).

The Rapport-Jobava System (D01) is a line for White. The main line runs 1. d4 d5 2. Nc3 Nf6 3. Bf4.