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B50Sicilian Defense

Sicilian Defense: what to play after Nxd4?

Best move

Nf6+0.27

By playing Nf6, you immediately develop your f6 to its most natural square while putting direct pressure on the e4 pawn. This forces White to commit their pieces to defense and…

Games played
270K
To move
Black
Evaluation
+0.27
Depth
25

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

Why Nf6 is the best move

Nf6! — Excellent Choice!

✅ One of 2 top moves — you found the most precise way to challenge the center!

Why this move is excellent: By playing Nf6, you immediately develop your f6 to its most natural square while putting direct pressure on the e4 pawn. This forces White to commit their pieces to defense and prepares your kingside castling.

Multiple Valid Strategies

MoveEvalStyle / Strategic Idea
Nf6+0.27Classical Development: Pressures e4 and prepares for the Sicilian Najdorf or Dragon structures.
Nc6+0.39Central Pressure: Challenges the d4 immediately and keeps options open for the Richter-Rauzer or Four Knights.

Different paths, same destination: While Nf6 is the most popular choice among masters for its immediate activity, Nc6 is a rock-solid alternative that focuses on controlling the d4 square. Both moves prioritize development over the premature pawn thrusts like e5 that many club players fall for.

Your Continuation

After Nf6: Nc3 a6 Be3 Ng4 Bg5

What Made This Move Good

You correctly saw: That developing a piece and creating a threat is superior to passive play. While 29% of humans impulsively play e5 (which weakens the d5 square), you recognized that completing your development first maintains the balance.

📚 Takeaway: In open positions, development with a threat is almost always the right path. Whether you choose the kingside or queenside knight, you are playing high-level chess!

What else gets played here

Move choices from 270K games in the opening book, with the engine's evaluation of each.

MoveEvaluationPlayedGamesWhite score
Nf6Engine pick+0.2775%202K—
Nc6+0.3911%29K—
a6+0.495%12K—
e5+0.494%11K—
g6—3%7.2K—

Frequently asked questions

What is the best move for Black in the Sicilian Defense?

Nf6 (+0.27). By playing Nf6, you immediately develop your f6 to its most natural square while putting direct pressure on the e4 pawn. This forces White to commit their pieces to defense and…

Why is Nf6 the best move here?

By playing Nf6, you immediately develop your f6 to its most natural square while putting direct pressure on the e4 pawn. This forces White to commit their pieces to defense and prepares your kingside castling.

How often does this position occur?

This position has been reached 270K times in the opening book.