[Event "IBM"]
[Site "Amsterdam"]
[Date "1972.??.??"]
[Round "?"]
[White "Malich, Burkhard"]
[Black "Enklaar, Bert F"]
[Result "1/2-1/2"]

1. c4 Nf6 2. Nc3 c5 3. g3 g6 4. Bg2 Bg7 5. a3 Nc6 6. Rb1 a5 7. Nf3 O-O 8. O-O d5 9. cxd5 Nxd5 10. Nxd5 Qxd5 11. d3 Qh5 12. Be3 Be6 13. Ng5 Bg4 14. f3 Bd7 15. Ne4 Nd4 16. Bg5 f5 17. Nxc5 Bc6 18. Bd2 b6 19. e3 bxc5 20. exd4 Bxd4+ 21. Kh1 Bd5 22. Qe2 e5 23. g4 Qh4 24. gxf5 Rxf5 25. f4 Qd8 26. Be4 a4 27. Qg2 exf4 28. Rxf4 Bxe4 29. Qxe4 Re5 30. Qc6 Qd5+ 31. Qxd5+ Rxd5 32. b4 axb3 33. Rxb3 Re5 34. Bc3 Bxc3 35. Rxc3 Re2 36. Kg1 Rb8 37. Rf2 Rxf2 38. Kxf2 Rb2+ 39. Kg3 Ra2 40. Rxc5 Rxa3 41. Rd5 1/2-1/2