ECO B21 · Sicilian Defense

Sicilian Defense: Smith-Morra Gambit Accepted, Danish Variation

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nf3

abcdefgh87654321
Black to move. The arrow shows Stockfish’s best move.
Best move

4… cxb2−0.74

Black is slightly better. Stockfish 18, depth 18.

Analyze this position

In the Sicilian Defense: Smith-Morra Gambit Accepted, Danish Variation (B21), reached after 1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nf3, Stockfish 18 recommends 4… cxb2 for Black. Black is slightly better (−0.74).

Top engine moves

  1. −0.744… cxb2 5. Bxb2 e6 6. Bc4 Nc6 7. O-O Nf6 8. Nc3 Bb4 9. Qe2
  2. −0.244… e6 5. Nxc3 Nc6 6. Be2 d6 7. Qb3 Nf6 8. O-O Qc7 9. Rd1
  3. −0.224… Nc6 5. Nxc3 e6 6. Be2 a6 7. O-O Qc7 8. Be3 Nf6 9. Rc1

Frequently asked questions

What is the best move in the Sicilian Defense: Smith-Morra Gambit Accepted, Danish Variation?
After 1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nf3, Stockfish 18 at depth 18 recommends 4… cxb2 for Black, continuing 5. Bxb2 e6 6. Bc4 Nc6 7. O-O Nf6 8. Nc3 Bb4 9. Qe2. Black is slightly better (−0.74). The next best moves are 4… e6 (−0.24) and 4… Nc6 (−0.22).
Is the Sicilian Defense: Smith-Morra Gambit Accepted, Danish Variation a good opening?
Stockfish rates the position at −0.74: black is slightly better. Evaluations this early in the game are small, so practical results depend far more on knowing the plans and typical structures than on the engine's number.
What is the ECO code of the Sicilian Defense: Smith-Morra Gambit Accepted, Danish Variation?
B21. ECO codes classify chess openings from A00 to E99; B is the volume for semi-open games (other than the French).

Opening names from the Lichess opening book (CC0). Pieces by Colin M.L. Burnett (GPLv2+).