[Event "IBM"]
[Site "Amsterdam"]
[Date "1974.08.01"]
[Round "14"]
[White "Tukmakov, Vladimir B"]
[Black "Knaak, Rainer"]
[Result "1-0"]

1. e4 Nc6 2. Nf3 e5 3. Bb5 a6 4. Ba4 d6 5. O-O Bd7 6. d4 Nf6 7. c3 Qe7 8. Re1 g6 9. d5 Nd8 10. c4 Bg7 11. Nc3 O-O 12. b4 c6 13. Bb2 cxd5 14. exd5 Rc8 15. c5 Bg4 16. Ba3 b5 17. Bb3 dxc5 18. bxc5 Nb7 19. d6 Qd8 20. Nd5 Nxd5 21. Qxd5 Nxc5 22. Bxc5 Be6 23. Qb7 Rxc5 24. Bxe6 fxe6 25. Rad1 a5 26. d7 b4 27. Rd6 Rc7 28. Qb5 Qe7 29. Rd2 Rd8 30. Qxa5 e4 31. Qxc7 exf3 32. Rxe6 Qxe6 33. Qxd8+ Kf7 1-0