The Irish Chess Union

[Event "Siegen Olympiad 1970"] [Site "Siegen FRG"] [Date "1970.??.??"] [Round "1"] [White "Larsen, Bent"] [Black "Patterson, Nicholas"] [Result "1/2-1/2"] [ECO "D02"] [ICUid "15866"] 1. d4 d5 2. Nf3 e6 3. g3 c5 4. Bg2 Qb6 5. O-O Nf6 6. c4 dxc4 7. Nc3 cxd4 8. Nxd4 e5 9. Qa4+ Bd7 10. Ndb5 Na6 11. Be3 Bc5 12. Bxc5 Nxc5 13. Qxc4 Be6 14. Qh4 a6 15. b4 Ncd7 16. Na3 g5 17. Qxg5 Qxb4 18. Qc1 Rc8 19. Nd5 Rxc1 20. Nxb4 Rc3 21. Rfc1 Rxa3 22. Rc8+ Ke7 23. Rxh8 a5 24. Nc2 Rxa2 25. Rxa2 Bxa2 26. Bxb7 Nf8 27. f3 Bc4 28. Kf2 Bb5 29. g4 Bd7 30. Ke1 Be6 31. Kd2 Ne8 32. Ne3 f6 33. Be4 Kf7 34. Bxh7 Kg7 35. Rxf8 Kxf8 36. Kc3 Nd6 37. Bd3 Kg7 38. Kb2 Kh6 39. h4 Bd7 40. Kb3 Bc6 41. Nf5+ Nxf5 42. Bxf5 Bb5 43. Bd3 Bd7 44. Kc4 Ba4 45. Kc5 Bd1 46. Kb5 a4 47. Kb4 Kg7 48. Ka3 Bb3 49. Bb5 e4 50. Bxa4 Bc4 51. Bd1 f5 52. gxf5 exf3 53. exf3 Bd3 54. Kb2 Bxf5 55. Kc3 Kf6 56. Kd4 Bg6 57. f4 Be8 58. Bg4 Bg6 59. h5 Bc2 60. Bf3 Kg7 61. Ke5 Bd3 62. Bd1 Kh6 63. Kf6 Be4 64. Bg4 Bd3 65. Bf5 Be2 66. Bg6 Bg4 67. Bf7 Bh3 68. Bg6 Bg4 69. Be8 Bh3 70. Ke7 Bf5 71. Bd7 Bd3 72. Bg4 Bc2 73. Kf6 Bd3 74. Bf3 Bc2 75. Ke5 Kg7 76. Be2 Kh6 77. Bg4 Bd3 78. Bd1 Kg7 79. Bf3 Bc2 80. Bc6 Bd1 81. Be8 Bg4 82. Bg6 Kh6 83. Kf6 Bh3 84. Bf5 Bf1 85. Bg6 Bh3 86. Bf7 Bg4 87. Ke7 Bf5 88. Kd6 Kg7 89. Bd5 Kh6 90. Be6 Bd3 91. Ke5 Kxh5 92. Bf5 Bf1 93. Be4 Kh6 1/2-1/2