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Petrov's Defense

C42For BlackSolid

1. e4 e5 2. Nf3 Nf6 3. Nxe5

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
39.0%44.3%47.2%45.8%
Band 600, n = 40,743Band 1000, n = 86,607Band 1400, n = 52,195Band 1800, n = 82,952
Blunder rate
58.3%51.4%70.6%42.9%
Band median 44.6%Band median 42.9%Band median 40.0%Band median 36.4%
Tier
DDDC
Black, band 600Black, band 1000Black, band 1400Black, band 1800
Share of games
1.0%0.6%0.5%0.4%
Of band 600 gamesOf band 1000 gamesOf band 1400 gamesOf band 1800 games
Every band, source period 2026-05
BandWhiteDrawBlackBlunderBook exitGamesTier
60056.5%4.5%39.0%58.3%ply 5.040,743D
100052.3%3.4%44.3%51.4%ply 5.086,607D
140049.3%3.6%47.2%70.6%ply 5.052,195D
180049.6%4.6%45.8%42.9%ply 5.082,952C

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 bandD at 600Blunder rate 58.3%, band median 44.6%

At 600, the Petrov's Defense scores 39.0% for Black across 40,743 games. Most openings score better than this at this level. Games in this line leave known theory around move 3 on average, and 58.3% include an early material blunder (12 games at 600).

1000Your bandD at 1000Blunder rate 51.4%, band median 42.9%

At 1000, the Petrov's Defense scores 44.3% for Black across 86,607 games. Most openings score better than this at this level. Games in this line leave known theory around move 3 on average, and 51.4% include an early material blunder (37 games at 1000).

1400Your bandD at 1400Blunder rate 70.6%, band median 40.0%

At 1400, the Petrov's Defense scores 47.2% for Black across 52,195 games. Most openings score better than this at this level. Games in this line leave known theory around move 3 on average, and 70.6% include an early material blunder (17 games at 1400).

1800Your bandC at 1800Blunder rate 42.9%, band median 36.4%

At 1800, the Petrov's Defense scores 45.8% for Black across 82,952 games. That is below average at this level. Games in this line leave known theory around move 3 on average, and 42.9% include an early material blunder (21 games at 1800).

Variations

Where the line goes next.

The lines that continue the Petrov's Defense, most played first at your band. Switch the band in the header and both the figures and the order follow.

  • CABCC42

    Petrov's Defense: Stafford Gambit

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

    0.1% of games at 600, n = 4,3710.2% of games at 1000, n = 25,7740.2% of games at 1400, n = 21,8470.2% of games at 1800, n = 33,185

  • DDDDC42

    Petrov's Defense: Damiano Variation

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

    0.5% of games at 600, n = 23,0580.2% of games at 1000, n = 24,2550.1% of games at 1400, n = 7,3620.0% of games at 1800, n = 8,116

  • DDCCC42

    Petrov's Defense

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

    0.1% of games at 600, n = 4,2710.1% of games at 1000, n = 12,7010.1% of games at 1400, n = 10,8410.1% of games at 1800, n = 28,143

Questions

Common questions about this page.

At 600, the Petrov's Defense scores 39.0% for Black across 40,743 games. Most openings score better than this at this level. Games in this line leave known theory around move 3 on average, and 58.3% include an early material blunder (12 games at 600).

At 1000, the Petrov's Defense scores 44.3% for Black across 86,607 games. Most openings score better than this at this level. Games in this line leave known theory around move 3 on average, and 51.4% include an early material blunder (37 games at 1000).

The Petrov's Defense (C42) is a line for Black. The main line runs 1. e4 e5 2. Nf3 Nf6 3. Nxe5.