B40

Sicilian Defense: Marshall Counterattack

Chess diagram: Sicilian Defense: Marshall Counterattack after 3…d5

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Statistics from Lichess

1,613,916 games: White 48.8% / Draw 4.6% / Black 46.7%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
989,771990K
212,988213K
French Defense: Advance Variation, Nimzowitsch System 196,221196K
86,50587K
55,77856K
28,82029K
French Defense: Tarrasch Variation, Open System, Euwe-Keres Line 9,4909,490
8,2898,289

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Nov 1, 2026

Engine evaluation

+0.84 White is better

Best play: 4. exd5 exd5 5. Bb5+ Nc6 6. O-O Nf6 7. Re1+ Be6 8. Bg5 Be7

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

By rating

Rating changes little here: Black scores 50% under 1400, 48% at 2200 and up (wins plus half the draws).

PlayersGamesWhite / Draw / BlackW / D / B
Under 1400 577K
1400–1799 1.4M
1800–2199 831K
2200 and up 38K
Masters, over the board 63

Master games

Rated blitz, rapid and classical Lichess games by rating band, and over-the-board games of players rated 2200+ from the Lichess masters database, updated Sep 27, 2026

Overview

Sicilian Defense: Marshall Counterattack (ECO B40, Semi-Open Games) is a variation of the Sicilian Defense: French Variation, reached after 1. e4 c5 2. Nf3 e6 3. d4 d5 (3 moves).

In 1,613,916 rated Lichess games between players rated 1600 to 2500, White won 48.8%, Black 46.7% and 4.6% were drawn. White's most played move here is 4. exd5, in 61% of those games.

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How to play against the Sicilian Defense: Marshall Counterattack

4. Nc3 scores best for White: 53.7%, with White winning 51.7% and Black 44.2% of 87K games. The most played, 4. exd5, scores 51.9% in 990K games, and 4. e5 scores lowest: 48.4%. Stockfish's first choice is 4. exd5.

Main answers: those played in at least 5% of these games. Score: White's wins plus half the draws, in rated Lichess games between players rated 1600 to 2500. How to play against other popular openings

Popularity by year

The Sicilian Defense: Marshall Counterattack has stayed between 0.058% and 0.068% of Lichess games a year since 2016 (0.06% in 2025).

Numbers by year
YearShare of gamesGames
20160.058%20,605
20170.059%32,250
20180.061%47,569
20190.061%76,443
20200.067%195,048
20210.068%267,493
20220.062%234,517
20230.061%228,623
20240.06%214,880
20250.06%207,214
2026 (Jan–Apr)0.058%63,398

Share of rated Lichess games between players rated 1600 to 2500 (blitz, rapid and classical) that reach this position, by year; 2026: January to April. Which openings are rising and falling

Transpositions

Cite this page

Caissa Codex. “Sicilian Defense: Marshall Counterattack (B40)”. Lichess data as of 1 Nov 2026. https://chesscodex.org/openings/sicilian-defense-marshall-counterattack