[Event "Olympiad-18 Preliminaries A"]
[Site "Lugano"]
[Date "1968.10.24"]
[Round "7"]
[White "Keene, Raymond"]
[Black "De Castro, Edgar"]
[Result "1/2-1/2"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c6 4. O-O Qc7 5. d3 e5 6. e4 dxe4 7. dxe4 Bg4 8. h3 Be6 9. Nbd2 h6 10. Qe2 g5 11. Nc4 Nbd7 12. Bd2 g4 13. hxg4 Bxg4 14. Ne3 h5 15. Nxg4 hxg4 16. Nh4 O-O-O 17. Nf5 Rh5 18. b4 Nb6 19. a4 Qd7 20. Bc3 Qe6 21. Rfd1 Rxd1+ 22. Rxd1 Nxa4 23. Qd3 Qd7 24. Bxe5 Qxd3 25. Rxd3 Nd7 26. Bf4 Bxb4 27. Bf1 Nc3 28. Rd4 Bc5 29. Rc4 Nd1 30. Be2 Nxf2 31. Kg2 b5 32. Nd6+ Kc7 33. Nxb5+ Kb7 34. Rxc5 Rxc5 35. Nd6+ Ka8 36. Kxf2 Rxc2 37. Nxf7 a5 38. e5 Nc5 39. Nd8 a4 40. e6 Nxe6 41. Nxe6 a3 42. Be5 a2 43. Ke3 Rc1 44. Bxg4 a1=Q 45. Bxa1 Rxa1 46. Bf3 Re1+ 47. Be2 Kb8 48. g4 Kc8 49. Nc5 Kc7 50. Kd2 Rg1 51. Kd3 Kd6 52. Kd4 Ke7 53. Ne4 Kf7 54. Ke5 Kg6 55. Kf4 Re1 56. Bd3 Kg7 57. Ng3 Rd1 58. Be4 c5 59. g5 Rg1 60. Nh5+ Kf7 61. Kf5 Rf1+ 62. Nf4 Kg7 63. Bd5 Kf8 64. Ke5 Kg7 65. Bc4 Rc1 66. Ne6+ Kf7 67. Bd5 Re1+ 68. Kf5 Rf1+ 69. Kg4 Rg1+ 70. Kf5 Rf1+ 71. Nf4+ Kg7 72. Kg4 Rg1+ 73. Kh5 Rd1 74. Kg4 Rg1+ 75. Kf5 Rf1 76. Bb3 Kf8 77. Ke5 Re1+ 78. Kf5 Rf1 79. Kg4 Ke7 80. Nd5+ Kf8 81. Ne3 Re1 82. Kf4 Kg7 83. Bc2 Rg1 84. Bd3 Kf7 85. Nf5 Kg6 86. Ng3+ Kg7 87. Nf5+ Kf7 88. Ne3 Kg7 89. Ng4 Rd1 90. Ne5 Rg1 91. Kf5 Rd1 92. Bc4 Rc1 93. Kf4 Rg1 94. Ng4 Rc1 95. Ne3 Kg6 96. Bd3+ Kf7 97. Be4 Rg1 98. Bc6 Kg6 99. Be8+ Kg7 100. Nf5+ Kf8 101. Bb5 Kf7 102. Nd6+ Kg7 103. Kf5 Rb1 104. Bc4 Re1 105. Bb5 Rg1 106. Ne4 Rb1 107. Bc4 Rc1 108. Nd6 Rd1 109. Ne8+ 1/2-1/2