[Event "IBM"]
[Site "Amsterdam"]
[Date "1975.??.??"]
[Round "13"]
[White "Huebner, Robert"]
[Black "Hamann, Svend"]
[Result "1/2-1/2"]

1. g3 e5 2. Bg2 Nf6 3. c4 c6 4. Nf3 e4 5. Nd4 d5 6. cxd5 cxd5 7. d3 Qb6 8. Nc2 Nc6 9. O-O Bf5 10. Nc3 Rd8 11. Bg5 Be7 12. dxe4 dxe4 13. Qc1 O-O 14. Ne3 Bg6 15. Bxf6 Bxf6 16. Ned5 Qd4 17. Rd1 Qe5 18. Nxf6+ gxf6 19. Qe3 f5 20. Rac1 Nd4 21. Rd2 Rd6 22. Rcd1 Rfd8 23. f3 Nc2 24. Rxc2 Rxd1+ 25. Nxd1 Rxd1+ 26. Kf2 b6 27. a3 Kg7 28. Rd2 Rb1 29. b4 Ra1 30. h4 Qf6 31. Bh3 f4 32. Qxf4 Qxf4 33. gxf4 Rxa3 34. e3 exf3 35. Kxf3 a5 1/2-1/2