User:Danko Georgiev/Chess

Here I provide one more example how GNU Chess looses because of underestimation of figure sacrifice.
 * [Date "2007.05.07"]
 * [White "Danko Georgiev"]
 * [Black "GNU Chess 5.07"]
 * [Result "1-0"]
 * [TimeControl "40/300"]

'''1. e4 c5 2. d4 e6 3. c3 cxd4 4. cxd4 d5 5. e5 Nc6 6. Nc3 Bb4 7. Nf3 Nge7 8. Bd3 O-O 9. Bxh7+'''

'''9. ... Kxh7 10. Ng5+ Kg6 11. Qg4 Nxe5 12. dxe5 Bxc3+ 13. bxc3 f5 14. Qg3 f4 15. Bxf4 Nf5 16. Qg4 Nh6 17. Qg3 Nf5 18. Qd3 Rh8 19. g4 Qe7 20. h4' the black position is completely lost''

'''20. ... Kh6 21. gxf5 exf5 22. Rg1 Rg8 23. Qxd5 Bd7 24. e6 Rae8 25. Nf7+ Kh7 26. Qxf5+ g6 27. Ng5+ Kh6 28. Ne4+ Kh7 29. Nf6+ Qxf6 30. Qxf6 Rxe6+ 31. Qxe6 Bxe6 32. Rg5 Rf8 33. Be5 Rd8 34. Bd4 a6 35. a4 Bf5 36. a5 Kh6 37. Kd2 Rd5 38. Ke3 Rd7 39. Ra4 Re7+ 40. Kd2 Bd7 41. Rb4 Bb5 42. Be3 Kh7 43. Rd4 Re6 44. Rc5 Bc6 45. h5 gxh5 46. Rxh5+ Kg6 47. Rdh4 Rd6+ 48. Bd4 Rd8 49. f4 Kf7 50. f5 Ke7 51. f6+ Kd7 52. Rh7+ Kd6 53. Rh8 Rd7 54. R4h7 Rxh7 55. Rxh7 Bd5 56. f7 Bxf7 57. Rxf7 Kd5 58. Rxb7 Kd6 59. Rb6+ Kc7 60. Rxa6 Kb8 61. Kd3 Kc7 62. Kc4 Kd7 63. Rb6 Kc7 64. a6 Kd7 65. a7 Kc8 66. a8=Q+ Kd7 67. Qa7+ Ke8 68. Rb8# {computer loses as black} 1-0'''