[Event "IBM"]
[Site "Amsterdam"]
[Date "1972.??.??"]
[Round "?"]
[White "Szabo, Laszlo"]
[Black "Hartoch, Robert G"]
[Result "1-0"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e6 5. Nc3 Bb4 6. Nc2 Be7 7. e4 Nc6 8. Bf4 O-O 9. Be2 d6 10. O-O b6 11. Qd2 Bb7 12. Rfd1 Ne5 13. f3 Qb8 14. Bg3 Rd8 15. f4 Ned7 16. Bf3 a6 17. Nd4 Qc7 18. Rac1 Rac8 19. f5 e5 20. Nd5 Nxd5 21. cxd5 Nc5 22. Ne2 Qb8 23. Bf2 Nd7 24. Nc3 Re8 25. g4 Bd8 26. g5 b5 27. Kh1 Bb6 28. Bxb6 Nxb6 29. f6 g6 30. Qf2 Rxc3 31. Rxc3 Na4 32. Qh4 Kh8 33. Qh6 Rg8 34. Bg4 Nxc3 35. Rd3 1-0