[Event "Chigorin Memorial-07"]
[Site "Sochi"]
[Date "1967.??.??"]
[Round "10"]
[White "Liebert, Heinz"]
[Black "Kotov, Alexander"]
[Result "0-1"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. f4 Nc6 5. Be3 Nf6 6. Nf3 O-O 7. Be2 d5 8. e5 Ng4 9. Bg1 f6 10. h3 Nh6 11. g4 f5 12. g5 Nf7 13. h4 e6 14. Be3 Ne7 15. Kf2 Qd7 16. h5 Re8 17. Qg1 b6 18. Qh2 Nh8 19. Rag1 Kf7 20. Rg3 Rg8 21. Rh3 Bb7 22. hxg6+ hxg6 23. Rh7 Kf8 24. Kg3 Nf7 25. Qf2 Rh8 26. Rxh8+ Nxh8 27. a4 Nc6 28. b3 Kg8 29. Bc1 Bf8 30. Nb1 a6 31. Bb2 Qg7 32. Qh2 Rd8 33. Qf2 Na5 34. Qf1 Ra8 35. Ba3 Nf7 36. Bxf8 Kxf8 37. Qe1 Ke7 38. Na3 Rh8 39. Rxh8 Qxh8 40. Qf1 Qc8 41. Qh1 Qh8 42. Nh4 Kd7 43. b4 Nc6 44. c3 Ne7 45. Bf3 Bc6 46. b5 Bb7 47. Nc2 c5 48. Be2 axb5 49. dxc5 bxc5 50. Qb1 Nxg5 51. Bxb5+ Kc8 52. fxg5 Qxe5+ 53. Kf2 Qxc3 54. Qd1 Qh3 55. Nf3 d4 56. Nce1 Nd5 57. Bf1 Qg4 58. Qe2 Ne3 59. Qd3 Kc7 60. a5 Qf4 61. Qb3 Qd6 62. Bc4 Nxc4 63. Qxc4 Bd5 64. Qe2 Be4 65. Nd3 c4 66. Nde5 d3 67. Qe3 c3 68. Qa7+ Kc8 69. Nc4 Qc7 70. Qa6+ Kb8 71. Qxe6 c2 72. Nd6 Qc5+ 73. Kg3 f4+ 74. Kg2 Bxf3+ 0-1