Caissa Codex
Tree path 10 levels King's Pawn Game › King's Knight Opening › Petrov's Defense › Petrov's Defense › Petrov's Defense › Petrov's Defense › Petrov's Defense › Classical Attack › Chigorin Variation › Petrov's Defense: Classical Attack, Berger Variation
  1. Caissa Codex
  2. King's Pawn Game C20
  3. King's Knight Opening C40
  4. Petrov's Defense C42
  5. Petrov's Defense C42
  6. Petrov's Defense C42
  7. Petrov's Defense C42
  8. Petrov's Defense C42
  9. Classical Attack C42
  10. Chigorin Variation C42
  11. Petrov's Defense: Classical Attack, Berger Variation C42 you are here
C42

Petrov's Defense: Classical Attack, Berger Variation

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Overview

Petrov's Defense: Classical Attack, Berger Variation (ECO C42) is a variation of Petrov's Defense: Classical Attack, Chigorin Variation, reached after 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. O-O Nc6 8. Re1 Bg4 9. c3 f5 10. Nbd2 — 10 moves.

In 3,192 rated Lichess games between players rated 1600 to 2500, White won 43.2%, Black 51.2% and 5.6% were drawn. Black's most played move here is 10…O-O, in 89% of those games.

ECO code
C42
Group
Open Games (C)
Length
10 moves
Parent
Petrov's Defense: Classical Attack, Chigorin Variation

Generated from the data: the Lichess opening list and opening explorer. Know this line well? Write a description — submissions are reviewed before publishing.

Statistics from Lichess

3,192 games · White 43.2% / Draw 5.6% / Black 51.2%

MovesGamesW / D / B
O-O2,854
Qd6225
Qd743
Bh423
Nxd222
Rb811
Bh54
b63

Source: Lichess Opening Explorer · cached 2026-09-26 03:22:45

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Related variations at the same level

Sister lines that share the same parent Petrov's Defense: Classical Attack, Chigorin Variation:

https://chesscodex.org/openings/petrovs-defense-classical-attack-berger-variation