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Zukertort Opening

Zukertort Opening: Sicilian Invitation: what should Black play?

Best move

d5-0.47

Excellent find! You spotted the only move that seizes the initiative. While 35% of players instinctively play b5, you chose the central breakthrough that forces White onto the…

Games played
380K
To move
Black
Evaluation
-0.47
Depth
22

Game counts: Lichess opening book. Move ranking and evaluation: Stockfish. How this page is built

Why d5 is the best move

Excellent find! You spotted the only move that seizes the initiative. While 35% of players instinctively play b5, you chose the central breakthrough that forces White onto the back foot.

d5! — The Central Strike

This move is a thematic "liberating" push. By playing d5, you create a double-attack on the c4 and the e4. It forces White to resolve the tension immediately, or lose their most active piece.

Why it works:

  • Tempo: It forces the c4 to move or be traded.
  • Space: It opens lines for your c8 and prepares a battery on the e-file.
  • Control: You transition from a cramped Sicilian structure to a dominant central presence.

Why Other Moves Fail

MoveEvalWhy It Fails
Nf6-0.23Too slow. White can tuck the bishop away with Bb3 and maintain a solid grip.
b5-0.18The most common human error. It attacks the bishop but allows White to retreat to a2, keeping pressure on f7.
h6-0.13A "waiting move" that gives White time to develop d2 and solidify the center.

The Trap: Many players fear the trade on d5, but after exd5 exd5, your central control is massive. If White tries to hide the bishop with Ba2, you have the powerful Qe7+, forcing White to block their own development or move the King.


How To Find The Only Good Move

Step 1 — Identify the "Problem Piece": White's c4 is their best piece, eyeing your weak f7 pawn. You must challenge it immediately.

Step 2 — Calculate the Tension: Ask: "What happens if I push?" You saw that after exd5 exd5, your d5 and c5 duo would dominate the board.

Step 3 — Verify the Follow-up: The engine confirms the strength of the sequence: d5 exd5 exd5 Ba2 Qe7+.

📚 Pattern: In the Sicilian Taimanov/Kan structures, the d5 break is the "Golden Key." If you can play it without losing material, it is almost always the best move!

What else gets played here

Move choices from 380K games in the opening book, with the engine's evaluation of each.

MoveEvaluationPlayedGamesWhite score
b5-0.1868%257K48%
Nf6-0.2313%49K46%
d5Engine pick-0.4711%43K46%
h6-0.134%16K48%
Be7-0.104%15K48%

Frequently asked questions

What is the best move for Black in the Zukertort Opening: Sicilian Invitation?

d5 (-0.47). Excellent find! You spotted the only move that seizes the initiative. While 35% of players instinctively play b5, you chose the central breakthrough that forces White onto the…

Why is d5 the best move here?

Excellent find! You spotted the only move that seizes the initiative. While 35% of players instinctively play b5, you chose the central breakthrough that forces White onto the back foot.

How often does this position occur?

This position has been reached 380K times in the opening book.