[Event "IBM"]
[Site "Amsterdam"]
[Date "1970.07.16"]
[Round "3"]
[White "Geller, Efim P"]
[Black "Csom, Istvan"]
[Result "1-0"]
1. Nf3 g6 2. d4 Bg7 3. e4 d6 4. c3 Nf6 5. Nbd2 c6 6. Be2 O-O 7. O-O Na6 8. Re1 Nc7 9. Bf1
d5 10. e5 Nfe8 11. h3 Ne6 12. b4 N8c7 13. Nb3 b6 14. a4 Ba6 15. Bxa6 Nxa6 16. Be3 Nac7 17.
Nc1 Qd7 18. Nd3 f5 19. exf6 exf6 20. Qb3 a6 21. a5 b5 22. Ra2 Rfe8 23. Rae2 Re7 24. Qd1
Rae8 25. Nd2 Bf8 26. Nb3 Qc8 27. Qd2 Nd8 28. Nbc5 Nf7 29. Bf4 Ne6 30. Bg3 Kg7 31. Re3 Kg8
32. Qd1 Nxc5 33. Rxe7 Rxe7 34. bxc5 Ng5 35. f3 Kf7 36. Nb4 Rxe1+ 37. Qxe1 Be7 38. Bf4 Ne6
39. Bg3 Bd8 40. Qa1 Qb7 41. Bd6 Ng7 42. Kf2 Ne8 43. Qa3 Ng7 44. Ke2 Ne6 45. Qa2 Qa8 46.
Kd1 Qb7 47. Kc2 Qa8 48. Kb3 Qb7 49. g4 Ng7 50. f4 Qc8 51. Qe2 Qb7 52. h4 h6 53. f5 gxf5
54. gxf5 Bxa5 55. Nxc6 Qxc6 56. Qe7+ Kg8 57. Qf8+ Kh7 58. Qxf6 1-0