B21

Sicilian Defense: Smith-Morra Gambit Accepted, Larsen Defense

Chess diagram: Sicilian Defense: Smith-Morra Gambit Accepted, Larsen Defense after 8…Bd6

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Statistics from Lichess

9,689 games: White 46.0% / Draw 3.8% / Black 50.2%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
4,4654,465
1,4771,477
1,1311,131
1,0231,023
564564
440440
211211
116116

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Oct 31, 2026

Engine evaluation

−0.02 The position is about equal

Best play: 9. Bb3 Nge7 10. Be3 Bf4 11. Rac1 O-O 12. h4 h6 13. Rfd1 Bxe3

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

Overview

Sicilian Defense: Smith-Morra Gambit Accepted, Larsen Defense (ECO B21, Semi-Open Games) is a gambit in the Sicilian Defense: Smith-Morra Gambit Accepted, Siberian Variation, reached after 1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 Nc6 5. Nf3 e6 6. Bc4 Qc7 7. Qe2 a6 8. O-O Bd6 (8 moves).

In 9,689 rated Lichess games between players rated 1600 to 2500, White won 46.0%, Black 50.2% and 3.8% were drawn. White's most played move here is 9. Rd1, in 46% of those games.

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How to play against the Sicilian Defense: Smith-Morra Gambit Accepted, Larsen Defense

9. h3 scores best for White: 49.6%, with White winning 47.7% and Black 48.5% of 1,023 games. The most played, 9. Rd1, scores 48.6% in 4,465 games, and 9. Nd5 scores lowest: 47.7%. Stockfish's first choice is 9. Bb3.

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

Cite this page

Caissa Codex. “Sicilian Defense: Smith-Morra Gambit Accepted, Larsen Defense (B21)”. Lichess data as of 31 Oct 2026. https://chesscodex.org/openings/sicilian-defense-smith-morra-gambit-accepted-larsen-defense