French Defense · C18

Winawer Variation, Poisoned Pawn Variation, after 7... cxd4, through 9... Nbc6

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 cxd4 8. Qxg7 Rg8 9. Qxh7 Nbc6

White is up material out of the opening - Black is banking on activity to show for it. ...Bb4 pins and usually trades for the c3-knight: Black wrecks White's queenside pawns and attacks them forever; White gets the bishop pair and kingside chances.

The first 4 moves, explained

• 1. e4 Stakes a claim in the centre, controlling d5, and frees the bishop and queen.
• 1... e6 Supports the centre, adding control of d5. Theory calls this the French Defense.
• 2. d4 Stakes a claim in the centre, controlling e5, and frees the bishop and queen.
• 2... d5 Stakes a claim in the centre, controlling e4, and frees the bishop and queen.

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