[Event "IBM"]
[Site "Amsterdam"]
[Date "1970.07.30"]
[Round "14"]
[White "Hartoch, Robert G"]
[Black "Geller, Efim P"]
[Result "0-1"]
1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 O-O 6. Bg5 c6 7. Qd2 a6 8. Nf3 b5 9. a3 Bg4
10. cxb5 axb5 11. O-O Nbd7 12. h3 Bxf3 13. Bxf3 Qb6 14. Rfe1 e6 15. e5 dxe5 16. dxe5 Nd5
17. Bxd5 cxd5 18. Be7 Rfc8 19. Qf4 Rc4 20. Qg3 Rac8 21. Rad1 Qb7 22. Bd6 Nb8 23. Rd3 Na6
24. Ne2 Nc5 25. Bxc5 R8xc5 26. Nd4 Rc1 27. f4 b4 28. Kh2 bxa3 29. Rb3 Qc8 30. Rxa3 Rxe1
31. Qxe1 Bf8 32. Rc3 Rc4 33. Rxc4 Qxc4 34. Qc3 Qf1 35. Nf3 h6 36. Qd4 Qc1 37. Qd2 Qc4 38.
Qd4 Qb5 39. Kg3 Bc5 40. Qc3 Qb6 41. b3 Bb4 42. Qd3 Qc7 43. Qd4 Bc5 44. Qd3 Bb4 45. Qd4 Ba3
46. Qd3 Qc1 47. Qd2 Qb1 48. Qc3 Qe4 49. Qd2 Kg7 50. Qc3 Be7 51. Qc7 Bb4 52. Qd8 Bf8 53.
Qb6 Be7 54. Qc7 Qb4 55. Qc2 Bc5 56. Qd3 Bb6 57. h4 h5 58. Nd2 Qc5 59. Nf3 Qf2+ 60. Kh2 Be3
61. f5 gxf5 62. Qd1 Bf4+ 63. Kh1 Qb2 64. Kg1 Kg6 65. Qd3 Bg3 66. Qd1 Qc3 67. Kh1 Bf4 68.
Kg1 d4 69. Kf1 d3 70. Ne1 d2 71. Nf3 Qd3+ 72. Kg1 Be3+ 73. Kh2 Qc3 74. Qe2 Bf4+ 75. g3 Qc2
76. Nd4 Qe4 0-1