B21

Sicilian Defense: Halasz Gambit

Chess diagram: Sicilian Defense: Halasz Gambit after 3. f4

Type a move and press Enter: e4, Nf3, O-O, or from and to squares like g1f3 (e7e8q to promote). The board is also played with the mouse.

Play any move on the board to explore from there, or step through the line with ‹ › and the arrow keys.

Statistics from Lichess

153,930 games: White 48.0% / Draw 3.2% / Black 48.7%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
93,92094K
14,92715K
13,03113K
12,69613K
5,9665,966
5,8555,855
3,1043,104
1,7231,723

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Oct 30, 2026

Engine evaluation

−0.55 Black is slightly better

Best play: 3... Nc6 4. Nf3 d5 5. Nxd4 dxe4 6. Be3 Nf6 7. Nc3 Bd7 8. Nxc6

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

Overview

Sicilian Defense: Halasz Gambit (ECO B21, Semi-Open Games) is a gambit in the Sicilian Defense: Smith-Morra Gambit, reached after 1. e4 c5 2. d4 cxd4 3. f4 (3 moves).

In 153,930 rated Lichess games between players rated 1600 to 2500, White won 48.0%, Black 48.7% and 3.2% were drawn. Black's most played move here is 3…Nc6, in 61% of those games.

Written from the Lichess opening list and explorer. Know this line well? Write about it.

Write a description or report a mistake
What would you like to send?

Markdown supported (headings ###, bold, lists, links). Submissions are reviewed before publishing.

How to play against the Sicilian Defense: Halasz Gambit

3…d5 scores best for Black: 55.5%, with Black winning 53.7% and White 42.7% of 15K games. The most played, 3…Nc6, scores 50.0% in 94K games, and 3…e6 scores lowest: 48.0%. Stockfish's first choice is 3…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

Cite this page

Caissa Codex. “Sicilian Defense: Halasz Gambit (B21)”. Lichess data as of 30 Oct 2026. https://chesscodex.org/openings/sicilian-defense-halasz-gambit