C42

Petrov's Defense: Classical Attack, Maróczy Variation

Chess diagram: Petrov's Defense: Classical Attack, Maróczy Variation after 10…Bh4

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Statistics from Lichess

3 games: White 0.0% / Draw 0.0% / Black 100.0%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
11
11
11

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Oct 23, 2026

Engine evaluation

0.00 The position is about equal

Best play: 11. Be3 O-O 12. cxd5 Nb4 13. Nc3 Bxf3 14. gxf3 Bxf2+ 15. Bxf2 Qg5+

Stockfish 19, depth 30, after the line's last move. Scores are in pawns, from White's side.

Overview

Petrov's Defense: Classical Attack, Maróczy Variation (ECO C42, Open Games) 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. c4 Bh4 (10 moves).

In 3 rated Lichess games between players rated 1600 to 2500, White won 0.0%, Black 100.0% and 0.0% were drawn. White's most played move here is 11. Be3, in 33% of those games. That is too few games for the percentages to mean much.

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Transpositions

Cite this page

Caissa Codex. “Petrov's Defense: Classical Attack, Maróczy Variation (C42)”. Lichess data as of 23 Oct 2026. https://chesscodex.org/openings/petrovs-defense-classical-attack-maroczy-variation