Tree path 9 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 › Marshall Variation
C42

Petrov's Defense: Classical Attack, Marshall Variation

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Overview

Petrov's Defense: Classical Attack, Marshall Variation (ECO C42) is a variation of Petrov's Defense: Classical Attack, reached after 1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 — 6 moves.

In 364,516 rated Lichess games between players rated 1600 to 2500, White won 48.0%, Black 44.8% and 7.2% were drawn. White's most played move here is 7. O-O, in 78% of those games.

It branches into 2 named variations; the most played are Petrov's Defense: Classical Attack, Staunton Variation and Petrov's Defense: Classical Attack, Tarrasch Variation. In all, 4 named lines continue from it.

ECO code
C42
Group
Open Games (C)
Length
6 moves
Parent
Petrov's Defense: Classical Attack
Direct variations
2
Total in subtree
4

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

364,516 games · White 48.0% / Draw 7.2% / Black 44.8%

MovesGamesW / D / B
O-O285,604
c439,465
h311,260
Nbd29,496
Nc36,731
Qe25,624
c31,993
Bxe41,705

Source: Lichess Opening Explorer · cached 2026-09-26 02:39:21

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Variations (2)

Show all 4 sub-variations (full subtree)