Semi-Slav Defense · D47

Meran Variation, Wade Variation, Larsen Variation

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 e6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. e4 b4 10. Na4 c5 11. e5 Nd5

An early pawn trade leaves the c-file as White's avenue and the d-file as Black's - both sides get real winning chances down their own file. Black's queenside bishop takes the long diagonal.

The first 4 moves, explained

• 1. d4 Stakes a claim in the centre, controlling e5, and frees the bishop and queen.
• 1... d5 Stakes a claim in the centre, controlling e4, and frees the bishop and queen.
• 2. c4 Challenges the pawn on d5 - the central tension has to resolve. The pawn is genuinely on offer - this is the Queen's Gambit: development and initiative over material.
• 2... c6 Fights for d5 from the flank - contesting the centre without committing a centre pawn. Theory calls this the Slav Defense.

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