Sicilian Defense: Alapin Variation: what should White play?

In the Sicilian Defense: Alapin Variation, White's most direct and principled continuation is cxd4, resolving the central tension created by Black's advance to d4. Capturing the pawn immediately eliminates Black's advanced wedge and fights for control over the center. Stockfish evaluates cxd4 as White's strongest option with a +0.83 advantage, making it the dominant choice in recorded games.

The Main Continuation with cxd4

Choosing cxd4 is overwhelmingly favored, appearing in 85.3% of recorded games (46K recorded). By taking on d4, White prevents Black from establishing a space-gaining outpost and prepares to rapidly develop pieces. The principal line runs cxd4 cxd4 Bb5+ Bd7 Nxd4 e5, where White utilizes a checking tempo with f1 before regaining the material and maintaining an edge in piece coordination.

Developing Alternatives

While taking the pawn is standard, White can also prioritize piece activity. The immediate check Bb5+ scores an evaluation of +0.61 and is selected in 5.2% of games (2.8K recorded). A sample sequence illustrates White's Queen-side counterplay: Bb5+ Bd7 Qb3 Nc6 Bxc6 Bxc6. Alternatively, White plays Bc4 in 8.9% of games (4.8K recorded), which carries an engine evaluation of +0.29 and transitions to quieter central setups via Bc4 e6 d3 Nc6 O-O a6.

Minor Sidelines

A rare option seen in 0.7% of games (363 recorded) is Na3, evaluated at +0.50, often following Na3 a6 cxd4 cxd4 Qa4+ Nc6 to put pressure on the loose pawn on d4. The engine also notes a4 (+0.30), which leads into a4 a6 Bc4 Nc6 O-O Nf6, though cxd4 remains the primary route to a concrete white advantage out of the 54,331 recorded positions.