[Event "Chigorin Memorial-13"]
[Site "Sochi"]
[Date "1979.??.??"]
[Round "3"]
[White "Hartston, William R"]
[Black "Zaitsev, Igor A"]
[Result "1/2-1/2"]
[WhiteElo "2485"]
[BlackElo "2190"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Bg7 5. f3 O-O 6. Qd2 e5 7. dxe5 dxe5 8. O-O-O Qxd2+ 9. Rxd2 Nc6 10. Bb5 Nd4 11. Bxd4 exd4 12. Rxd4 c6 13. Bf1 Nd5 14. Rxd5 cxd5 15. Nxd5 f5 16. exf5 Bxf5 17. Ne7+ Kh8 18. Nxf5 Rxf5 19. Bd3 Bh6+ 20. Kb1 Re5 21. Nh3 Rae8 22. Be4 Rxe4 23. fxe4 Rxe4 24. Nf2 Re2 25. Rf1 Be3 26. Nd1 Bc5 27. Rf7 b5 28. Rd7 Rxg2 29. Rd5 Bg1 30. Rxb5 Bxh2 31. c4 h5 32. c5 h4 33. c6 Re2 34. Rb7 Re1 35. Kc2 Re6 36. Rxa7 Rxc6+ 37. Kd3 Bg3 38. Ne3 h3 39. Ng4 h2 40. Ra8+ Kg7 41. Ra7+ Kg8 42. Ra8+ Kg7 43. Ra7+ Kg8 44. Ra8+ Kf7 45. Ra7+ Ke6 46. Rh7 Rd6+ 47. Ke3 Rd7 48. Rh3 Kf5 49. Nxh2 Bf4+ 50. Kf2 Rd2+ 51. Kg1 Rxb2 52. Nf1 Rxa2 53. Rb3 Be5 54. Rd3 Bf4 55. Rb3 g5 56. Ne3+ Kg6 57. Kf1 Kh5 58. Nd5 Bd6 59. Re3 Ra5 60. Rd3 Bc5 61. Nf6+ Kh4 62. Ne4 Ba7 63. Nxg5 Kxg5 64. Ke2 Re5+ 65. Kd2 Kf4 66. Rd7 Be3+ 67. Kc3 Kf3 68. Rf7+ Bf4 69. Rd7 Re8 70. Kd4 Ra8 71. Rd5 Be3+ 72. Ke5 Rh8 73. Kf5 Rg8 74. Ke5 Rg4 75. Rd1 Rg5+ 76. Ke6 Ke4 77. Re1 Rg6+ 78. Kf7 Ra6 79. Ke7 Kd4 80. Kd7 Bf4 81. Rd1+ Kc5 82. Ke8 Be5 83. Rc1+ Kd5 84. Rd1+ Bd4 85. Kf7 Rf6+ 86. Ke7 Rf2 87. Kd7 Rf7+ 88. Ke8 Ra7 89. Kd8 Ke5 90. Kc8 Ra5 91. Rd3 Rc5+ 92. Kd7 Rd5+ 93. Kc6 Rd6+ 94. Kb7 Ke6 95. Rb3 Kd7 96. Rb5 Be3 97. Rb3 Bc5 98. Rb1 Rd2 99. Rb3 Rd4 100. Rb1 Ra4 101. Rd1+ Bd4 102. Rh1 Rb4+ 103. Ka6 Bc5 104. Ka5 Rb8 105. Rh6 Bd6 106. Ka4 Kc6 107. Rh4 Rb1 108. Rg4 Rh1 109. Kb3 1/2-1/2