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Problem 1002506: Hitam jalan Bertahan dan Menang

COMP Ostrich - COMP Chess 4.7
ACM Washington DC Washington D.C., 1978
  2. 1.e4
  3. e5
  4. 2.Kf3
  5. Kf6
  6. 3.Kxe5
  7. d6
  8. 4.Kf3
  9. Kxe4
  10. 5.Me2
  11. Me7
  12. 6.d3
  13. Kf6
  14. 7.Gg5
  15. Kbd7
  16. 8.Kc3
  17. Mxe2+
  18. 9.Rxe2
  19. h6
  20. 10.Ge3
  21. b6
  22. 11.Kb5
  23. Kd5
  24. 12.c4
  25. a6
  26. 13.Kxd6+
  27. Gxd6
  28. 14.cxd5
  29. Gb7
  30. 15.Kd4
  31. Gxd5
  32. 16.Re1
  33. Ge5
  34. 17.f4
  35. Gf6
  36. 18.Rd2
  37. c5
  38. 19.Kc2
  39. Gxb2
  40. 20.Bb1
    1. Jawaban:20.Bb1
      1. Mengancam:
      2. 21.Bxb2
    3. Gf6 Black is winning because of Black's material advantage, better king safety, better pawn structure and piece activity.
      1. Bukan20...Gd4 karena
      2. 21.Kxd4
    5. Sekarang jika21.Bb2
    6. Gxb2
  42. 20...Gf6
  43. 21.a3
  44. O-O
  45. 22.Rd1
  46. Ga2
  47. 23.Gxc5
  48. Bfc8
  49. 24.Bxb6
  50. Kxb6
  51. 25.d4
  52. Gb3
  53. 26.Re1
  54. Ka4
  55. 27.Kb4
  56. Kxc5
  57. 28.dxc5
  58. Bxc5
  59. 29.Bg1
  60. Bc1+
  61. 30.Rd2
  62. Bd8+
  63. 31.Re2
  64. Gd4
  65. 32.Bh1
  66. Be8+
  67. 33.Rf3
  68. Gd1+
  69. 34.Rg3
  70. Be3+
  71. 35.Rf2
  72. Bd3+
  73. 36.Re1
  74. Gg4#
0-1
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