Tarrasch Defense · D34

Classical Variation, Réti Variation

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. g3 Nf6 7. Bg2 Be7 8. O-O O-O 9. dxc5 Bxc5 10. Na4

An early pawn trade leaves the d-file as White's avenue and the e-file as Black's - both sides get real winning chances down their own file. White's kingside bishop takes the long diagonal. White's pawn on f2 is pinned against the king.

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... e6 Supports the centre, adding control of d5. Theory calls this the Queen's Gambit Declined.

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