[Event "URS-chT Cup 06th"]
[Site "Riga"]
[Date "1968.12.20"]
[Round "9(7)"]
[White "Koolmeister,"]
[Black "Kupreichik, Viktor D"]
[Result "0-1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 Bg4 5. Bxc4 e6 6. O-O a6 7. Nbd2 Nc6 8. a3 Bd6 9. h3 Bh5 10. Qc2 O-O 11. b4 e5 12. dxe5 Nxe5 13. Nxe5 Bxe5 14. Bb2 Bg6 15. Qb3 Bxb2 16. Qxb2 Qe7 17. Rac1 Rfd8 18. Be2 c6 19. Rfd1 Ne4 20. Nc4 Qh4 21. Bf3 Ng5 22. Qe2 Rxd1+ 23. Qxd1 Nxf3+ 24. Qxf3 Be4 25. Qg4 Qxg4 26. hxg4 Rd8 27. Nb2 Bd5 28. Rd1 Re8 29. Rd4 Kf8 30. Nd3 Be6 31. Nc5 Bc8 32. Kf1 Ke7 33. Ke2 Rd8 34. f3 Rxd4 35. exd4 Kd6 36. Kd2 b6 37. Na4 Kc7 38. Nc3 Be6 39. Ne4 Bc4 40. g3 Kd7 41. Ke3 f6 42. Nc3 Bb3 43. Kf4 Ke6 44. g5 fxg5+ 45. Kxg5 Bc2 46. g4 Kd6 47. a4 a5 48. bxa5 bxa5 49. Kf4 h6 50. Ke3 g6 51. f4 Ke7 52. Kf3 Bb3 53. Kg3 Ke6 54. Kf3 Bd5+ 55. Kg3 Ke7 56. Kh4 Kf6 57. Kg3 Bc4 58. Ne4+ Ke6 59. Nc5+ Kd5 60. Nb7 Kxd4 61. Nxa5 Bd5 62. Kh4 c5 63. f5 gxf5 64. gxf5 Ke5 65. Kh5 Kxf5 66. Kxh6 Ke5 67. Kg6 Kd6 68. Kf5 Kc7 69. Ke5 Bg8 0-1