Sicilian Defense

Sicilian Defense: Taimanov Variation, Bastrikov Variation: what should White play?

Best move

O-O+0.42White is slightly better

Castles kingside

Close behind: Be3 (+0.41)

Analyze this position →
Games played
296K
To move
White
Evaluation
+0.42
Depth
18

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

White to playPosition before the recommended move. Green arrow: the recommended move.

One way to reach it: 1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be2 a6

FENr1b1kbnr/1pqp1ppp/p1n1p3/8/3NP3/2N5/PPP1BPPP/R1BQK2R w KQkq -

Understanding the position: O-O and the alternatives

In the Bastrikov Variation of the Sicilian Defense: Taimanov Variation, White achieves the most solid position with the primary choice O-O, securing king safety while retaining harmonious development. Engine evaluation ranks O-O highest at +0.42, allowing White to prepare central operations before committing the minor pieces. The position is heavily explored, with 296,183 games recorded across all levels.

The Strategic Plan Behind Castling

By choosing O-O, White completes kingside development and prepares pawn breaks such as f4. An illustrative continuation runs O-O Nf6 Be3 Be7 f4 d6, where White steadily builds pressure against the Black setup. This sequence safeguards the king on g1 while ensuring that the central knight on d4 and the bishop on e3 coordinate smoothly against Black's queenside expansion plans.

Alternatives on Move Six

White also possesses viable alternatives that direct the battle along different positional tracks. Developing the bishop directly via Be3 evaluates at +0.41 and can lead to Be3 b5 Nxc6 dxc6 O-O Bb7, steering play into an asymmetric structure with doubled c-pawns for Black. White can also initiate immediate simplification with Nxc6 (eval +0.38), which in the line Nxc6 bxc6 Qd3 d5 Qg3 Qxg3 transitions early into an endgame framework after an exchange of queens.

Other Paths in the Center

More aggressive setups include f4 (eval +0.37), prompting the sequence f4 Nxd4 Qxd4 b5 Be3 Bb7, which claims immediate space on the kingside at the cost of a slightly looser king. Lastly, the queen maneuver Qd3 evaluates at +0.32 and heads toward Qd3 Nxd4 Qxd4 b5 Be3 Bb7, allowing the queen to take up an active centralized post on d4 once the knights are exchanged.

What else gets played here

MoveEvaluationPlayedGames
O-OEngine pick+0.42——
Be3+0.41——
Nxc6+0.38——
f4+0.37——
Qd3+0.32——

Evaluation in pawns, from White's point of view: + favours White, − favours Black.

Frequently asked questions

What is the best move for White in the Sicilian Defense: Taimanov Variation, Bastrikov Variation?

White to play. Stockfish recommends O-O (Castles kingside), evaluated at +0.42: White is slightly better.

How often does this position occur?

This position has been reached 296K times in the opening book.