[Event "Groningen op"]
[Site "Groningen NED"]
[Date "1990.12.28"]
[EventDate "?"]
[Round "7"]
[Result "1-0"]
[White "Gregory S Kaidanov"]
[Black "Manuel Bosboom"]
[ECO "A53"]
[WhiteElo "2540"]
[BlackElo "2470"]
[PlyCount "156"]

1. d4 Nf6 2. c4 d6 3. Nf3 Nbd7 4. Nc3 e5 5. Bg5 c6 6. e3 Be7 7. Qc2 h6 8. Bh4  O-O 9. Be2 Nh7 10. Bg3 Ng5 11. O-O-O Nxf3 12. Bxf3 Qa5 13. Kb1 Re8 14. Rhe1 Bf8  15. c5 d5 16. Bg4 exd4 17. exd4 Nf6 18. Rxe8 Nxe8 19. Bxc8 Rxc8 20. Qf5 Qd8 21.  Bh4 g5 22. Bg3 Ng7 23. Qh3 h5 24. Be5 g4 25. Qg3 Qg5 26. h3 Nf5 27. Qd3 f6 28.  Bh2 Re8 29. a3 Nh4 30. hxg4 hxg4 31. Qg3 Qg6+ 32. Ka2 Nf5 33. Qc7 Qh7 34. Qf4  Qg6 35. Qd2 Bh6 36. Bf4 Kg7 37. Bxh6+ Qxh6 38. Qd3 Qf4 39. g3 Qf3 40. Qc2 Rh8  41. Rd3 Qh1 42. Rd1 Qf3 43. Rd3 Qh1 44. Qe2 Qh5 45. Qd1 Re8 46. Ne2 Nh6 47. Nf4  Qf5 48. Qb3 Qd7 49. Re3 Re4 50. Rxe4 dxe4 51. d5 cxd5 52. Qxd5 Qxd5+ 53. Nxd5  Kf7 54. Kb3 Ke6 55. Kc4 Nf7 56. Kd4 Ne5 57. Nf4+ Kf5 58. b4 a6 59. Kd5 Nd3 60.  Ne2 Nxf2 61. a4 Nd3 62. Nd4+ Kg5 63. b5 axb5 64. axb5 e3 65. Ne2 Kf5 66. Nc3  Ne5 67. Ne2 Nd3 68. Kd4 Nxc5 69. Kxc5 Ke4 70. Kc4 Kf3 71. Kd3 b6 72. Nc3 f5 73.  Ne2 Kf2 74. Nd4 Kxg3 75. Nxf5+ Kf2 76. Nxe3 g3 77. Kd4 Ke2 78. Nd5 1-0