5 / 5
  1. 1.
  2. 2.
  3. 3.

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

Petrov's DefenseItalian Variation

C42For BlackSolid

1. e4 e5 2. Nf3 Nf6 3. Bc4

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
44.6%45.1%45.4%46.7%
Band 600, n = 48,221Band 1000, n = 104,420Band 1400, n = 57,749Band 1800, n = 72,970
Blunder rate
44.2%50.6%54.3%47.1%
Band median 44.6%Band median 42.9%Band median 40.0%Band median 36.4%
Tier
CCDC
Black, band 600Black, band 1000Black, band 1400Black, band 1800
Share of games
1.1%0.7%0.5%0.3%
Of band 600 gamesOf band 1000 gamesOf band 1400 gamesOf band 1800 games
Every band, source period 2026-05
BandWhiteDrawBlackBlunderBook exitGamesTier
60051.2%4.2%44.6%44.2%ply 5.048,221C
100052.0%2.9%45.1%50.6%ply 5.0104,420C
140051.5%3.1%45.4%54.3%ply 5.057,749D
180049.7%3.6%46.7%47.1%ply 5.072,970C

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 bandC at 600Blunder rate 44.2%, band median 44.6%

At 600, the Petrov's Defense: Italian Variation scores 44.6% for Black across 48,221 games. That is below average at this level. Games in this line leave known theory around move 3 on average, and 44.2% include an early material blunder (43 games at 600).

1000Your bandC at 1000Blunder rate 50.6%, band median 42.9%

At 1000, the Petrov's Defense: Italian Variation scores 45.1% for Black across 104,420 games. That is below average at this level. Games in this line leave known theory around move 3 on average, and 50.6% include an early material blunder (89 games at 1000).

1400Your bandD at 1400Blunder rate 54.3%, band median 40.0%

At 1400, the Petrov's Defense: Italian Variation scores 45.4% for Black across 57,749 games. Most openings score better than this at this level. Games in this line leave known theory around move 3 on average, and 54.3% include an early material blunder (81 games at 1400).

1800Your bandC at 1800Blunder rate 47.1%, band median 36.4%

At 1800, the Petrov's Defense: Italian Variation scores 46.7% for Black across 72,970 games. That is below average at this level. Games in this line leave known theory around move 3 on average, and 47.1% include an early material blunder (85 games at 1800).

Questions

Common questions about this page.

At 600, the Petrov's Defense: Italian Variation scores 44.6% for Black across 48,221 games. That is below average at this level. Games in this line leave known theory around move 3 on average, and 44.2% include an early material blunder (43 games at 600).

At 1000, the Petrov's Defense: Italian Variation scores 45.1% for Black across 104,420 games. That is below average at this level. Games in this line leave known theory around move 3 on average, and 50.6% include an early material blunder (89 games at 1000).

The Petrov's Defense: Italian Variation (C42) is a line for Black. The main line runs 1. e4 e5 2. Nf3 Nf6 3. Bc4.