[Event "IBM"]
[Site "Amsterdam"]
[Date "1975.??.??"]
[Round "3"]
[White "Sosonko, Gennadi"]
[Black "Timman, Jan H"]
[Result "1-0"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4 8. Be3 Nfd7 9. Qb3 Nb6 10. Rd1 Nc6 11. d5 Ne5 12. Be2 Nxf3+ 13. gxf3 Bh5 14. Rg1 Qd7 15. Rg3 Kh8 16. Nb5 f5 17. Bd4 fxe4 18. Bxg7+ Kxg7 19. Nd4 exf3 20. Ne6+ Kg8 21. Bxf3 Bxf3 22. Rxf3 Rf6 23. Kf1 Re8 24. Re3 Kh8 25. Kg1 c6 26. dxc6 Qxc6 27. Ng5 Rf5 28. Ne6 Rf6 29. Ng5 Rf5 30. Ne6 Qc4 31. Qxc4 Nxc4 32. Rc3 Nd6 33. Rc7 Re5 34. Nf4 Rd8 35. Rd5 Re4 36. Nd3 Kg7 37. f3 Re6 38. Nc5 Rf6 39. Rxe7+ Kh6 40. Ne4 Rf7 41. Rxd6 1-0