The winawer is white's counter attack against the French Defense. The Poisoned Pawn Variation is a variation of the counter attack.
1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. Qg4 Qc7 8. Qxg7 Rg8 9. Qxh7 cxd4 10. Ne2 Nbc6 11. f4 Bd7 12. Qd3 dxc3 *
Svidlar-Ivanchuk 1999
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FRENCH Winawer: White Mates in 25
two rooks sacrifices in french Winawer-breaking pawnchain