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Petrov's Defense

C42For BlackSolid

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3

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%43.1%46.6%44.6%
Band 600, n = 2,283Band 1000, n = 9,594Band 1400, n = 8,890Band 1800, n = 23,766
Blunder rate
pendingpendingpendingpending
Band median 44.6%Band median 42.9%Band median 40.0%Band median 36.4%
Tier
DDCC
Black, band 600Black, band 1000Black, band 1400Black, band 1800
Share of games
0.1%0.1%0.1%0.1%
Of band 600 gamesOf band 1000 gamesOf band 1400 gamesOf band 1800 games
Every band, source period 2026-05
BandWhiteDrawBlackBlunderBook exitGamesTier
60056.7%4.3%39.0%--2,283D
100052.6%4.2%43.1%--9,594D
140048.2%5.2%46.6%--8,890C
180049.4%6.0%44.6%--23,766C

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 600

At 600, the Petrov's Defense scores 39.0% for Black across 2,283 games. Most openings score better than this at this level.

1000Your bandD at 1000

At 1000, the Petrov's Defense scores 43.1% for Black across 9,594 games. Most openings score better than this at this level.

1400Your bandC at 1400

At 1400, the Petrov's Defense scores 46.6% for Black across 8,890 games. That is below average at this level.

1800Your bandC at 1800

At 1800, the Petrov's Defense scores 44.6% for Black across 23,766 games. That is below average at this level.

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.

  • DDCCC42

    Petrov's Defense

    1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4

    0.0% of games at 600, n = 1,4210.1% of games at 1000, n = 7,8660.1% of games at 1400, n = 8,1060.1% of games at 1800, n = 22,949

Questions

Common questions about this page.

At 600, the Petrov's Defense scores 39.0% for Black across 2,283 games. Most openings score better than this at this level.

At 1000, the Petrov's Defense scores 43.1% for Black across 9,594 games. Most openings score better than this at this level.

The Petrov's Defense (C42) is a line for Black. The main line runs 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3.