QGDD36

Stevens R.
Madden J.

Individual U100 KO
2009


D32: Tarrasch Defence: Sidelines and lines without g3

1. c4 e6 2. Nc3 d5 3. e3 c5 4. Nf3 Nc6 5. cxd5 exd5 6. Bb5 Nf6 7. d4 last book move 7... Bg4 8. h3 8. O-O Bd6= 8... Bxf3= 9. Qxf3 Be7 10. O-O O-O 11. dxc5 Bxc5 12. a3 Black has an active position 12... Ne5 13. Qe2 13. Qf5 Qc7= 13... a6 Black threatens to win material: a6xb5 14. Ba4 b5 15. b4 15. Bc2 Qd6= 15... Be7 15... Bd6!? 16. Bb3 Nc4 16. Bb3= Nc4 A classical outpost 17. Rd1 Bd6 18. Ra2 Not 18. Nxd5 Nxd5 19. Rxd5 Bh2+ 20. Kxh2 Qxd5 18... Qc7? 18... Bb8= is a viable option 19. Nxd5 Nxd5 20. Rxd5 Rfd8 21. g3 21. e4 Bh2+ 22. Kh1 Rxd5 23. exd5 Bf4 24. Bxc4 Bxc1 21... Rac8 21... Be7!? 22. Rxd8+ Rxd8 22. Rc2 Bxg3 22... Qb7 23. e4 Nb6 24. Rd1 23. Rxd8+ 23. Rc5!? Qb8 24. Rxc8 (24. Bxc4?! Rxc5 25. bxc5 bxc4) (24. fxg3 Qxg3+ 25. Kf1 Rxc5 (25... Qxh3+ 26. Qg2 Qd7 27. Rxc8 Rxc8 28. Kg1) 26. bxc5 Qxh3+ 27. Ke1 Qh1+ 28. Kf2 Rd1 29. Bxc4 bxc4 30. Qxd1 Qh2+ (30... Qxd1? 31. Rd2 Qxd2+ 32. Bxd2) 31. Ke1 Qh1+ 32. Ke2 Qg2+ 33. Ke1 Qh1+ 34. Kd2 Qd5+ 35. Ke1 Qh1+=) 24... Bh2+ 25. Kg2 Rxc8 26. Bxc4 bxc4 27. f4 Bxf4 28. exf4 23... Rxd8 24. Bxc4 24. fxg3?? would lead to destruction 24... Qxg3+ 25. Kf1 Qxh3+ 26. Kg1 Qg3+ 27. Kf1 Rd6 24... bxc4 25. Rxc4 25. Qg4 Be5 26. Rxc4 25... Bxf2+= 26. Kg2?? spoils everything 26. Kxf2 is the best chance 26... Qh2+ 27. Kf1 Qh1+ 28. Kf2 Qh2+ 29. Kf3 Qxh3+ 30. Kf2 Qh2+ 31. Kf1 Qh1+ 32. Kf2 Qh2+ 33. Kf1 Qh1+ 34. Kf2 Qh2+= 26... Qg3+ 26... Qg3+ 27. Kh1 Qxh3# 0-1 [Fritz 9 (20s)]

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