B21

Sicilian Defense: Morphy Gambit, Andreaschek Gambit

Chess diagram: Sicilian Defense: Morphy Gambit, Andreaschek Gambit after 4. c3

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Statistics from Lichess

197,000 games: White 52.5% / Draw 4.4% / Black 43.1%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
106,681107K
61,82562K
14,01414K
5,1505,150
3,4453,445
2,0522,052
1,1891,189
844844

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Nov 5, 2026

Engine evaluation

+0.07 The position is about equal

Best play: 4... Nc6 5. cxd4 exd4 6. Nxd4 Bb4+ 7. Nc3 Nf6 8. Nxc6 bxc6 9. Bd3

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

By rating

Rating changes little here: White scores 55% under 1400, 54% at 2200 and up (wins plus half the draws).

PlayersGamesWhite / Draw / BlackW / D / B
Under 1400 20K
1400–1799 75K
1800–2199 120K
2200 and up 30K
Masters, over the board 50

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: Morphy Gambit, Andreaschek Gambit (ECO B21, Semi-Open Games) is a gambit in the Sicilian Defense: Morphy Gambit, reached after 1. e4 c5 2. d4 cxd4 3. Nf3 e5 4. c3 (4 moves).

In 197,000 rated Lichess games between players rated 1600 to 2500, White won 52.5%, Black 43.1% and 4.4% were drawn. Black's most played move here is 4…Nc6, in 54% of those games.

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How to play against the Sicilian Defense: Morphy Gambit, Andreaschek Gambit

The most played answer, 4…Nc6, also scores best for Black: 48.2%, with Black winning 45.9% and White 49.4% of 107K games. Of the main answers, 4…d6 scores lowest: 40.9%. Stockfish's first choice is also 4…Nc6.

Main answers: those played in at least 5% of these games. Score: Black'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: Morphy Gambit, Andreaschek Gambit has gained ground since 2016: 0.0086% of Lichess games in 2025, up from 0.0069%.

Numbers by year
YearShare of gamesGames
20160.0069%2,463
20170.0069%3,812
20180.0071%5,561
20190.0074%9,231
20200.0069%20,211
20210.007%27,225
20220.0073%27,483
20230.0077%28,786
20240.0079%28,477
20250.0086%29,923
2026 (Jan–Apr)0.0093%10,228

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: Morphy Gambit, Andreaschek Gambit (B21)”. Lichess data as of 5 Nov 2026. https://chesscodex.org/openings/sicilian-defense-morphy-gambit-andreaschek-gambit