GruenfeldD97

IM Brandhorst, Ted (2477)
GM Acevedo Villalba, Angel (2551)

PanAm/TC9 Board 1
ICCF, 2007


1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Na6 8. Be2 c5 9. d5 e6 10. O-O exd5 11. exd5 Bf5 12. Be3 Qb6 13. b3 Rfe8 14. Rad1 Ng4 15. Bd2 Ne5 16. Nxe5 Bxe5 17. Be3 Qa5 18. Rc1 Rac8 19. Rfd1 Nb4 20. d6 Red8 Last book move. Position seems equal, but White now discovers some surprising new resources. 21. Bg4 Bxg4 22. Qxg4 h5 23. Qg5 Giving up the d pawn to bring the Knight into the attack at a time when the Black Queen is out of the fray on the queenside. 23... Bxd6 24. Ne4 Bf8 25. Nf6+ Kh8 26. Nxh5!? 26. Nd7 isn't bad, but White decides to go for the win against the Grandmaster 26... gxh5 27. Qxh5+ Kg8 28. Qg4+ Kh7 29. Bg5! The winning move. Black is now lost. Nothing defends adequately, but, it being team play, Black decides to make White prove it. 29... Nc6 30. Bf6 Bh6 31. Qf5+ Kg8 32. Qh5 Rxd1+ 33. Rxd1 Rd8 34. Bxd8 Nxd8 35. Qxh6 Ne6 36. Qd2 Qc7 37. Qd6 Qa5 38. Qb8+ Kh7 39. Qxb7 Kg7 40. h4 Qxa2 41. Qf3 a5 42. Rd7 Qa1+ 43. Kh2 Qe5+ 44. Qg3+ Qxg3+ 45. Kxg3 Kf6 46. Rd6 Ke7 47. Rb6 Kf8 48. Kf3 Nd4+ 49. Ke4 Kg7 50. g4 Kg8 51. g5 51... Ne6 52.f4 Kh8 53.Rxe6 fxe6 54.Kd3 51... Kh7 52. h5 Kg7 53. f4 53.Rb7 makes it even easier for White Kf8 54.Ke5 53... Kf8 54. h6 Kg8 55. f5 Kh7 56. Rb7 Black is faced with a forced mate in 7. 1-0 [Brandhorst T.]