Sicilian Defense · B40

Kveinis Variation

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Qb6

An early pawn trade leaves the c-file as Black's avenue and the d-file as White's - both sides get real winning chances down their own file. Black trades the c-pawn for White's d-pawn and plays for an unbalanced fight: queenside counterplay against White's central and kingside ambitions.

The first 4 moves, explained

• 1. e4 Stakes a claim in the centre, controlling d5, and frees the bishop and queen.
• 1... c5 Fights for d4 from the flank - contesting the centre without committing a centre pawn. Theory calls this the Sicilian Defense.
• 2. Nf3 Develops the knight to f3, eyeing d4 and e5.
• 2... e6 Supports the centre, adding control of d5. Theory calls this the French Variation.

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