[Event "IBM-20 Kroongroep"]
[Site "Amsterdam"]
[Date "1980.06.??"]
[Round "?"]
[White "Larsen, Bent"]
[Black "Ribli, Zoltan"]
[Result "1-0"]
[WhiteElo "2590"]
[BlackElo "2610"]

1. g3 d5 2. Bg2 Nf6 3. Nf3 e6 4. O-O Be7 5. c4 O-O 6. d4 dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bg5 Nbd7 11. Nbd2 Rc8 12. Nb3 Be4 13. Qc1 c5 14. dxc5 Nxc5 15. Nxc5 Rxc5 16. Qe3 Qa8 17. Bxf6 gxf6 18. Rfd1 Rd5 19. Ne1 Bxg2 20. Nxg2 Rfd8 21. Qb3 a5 22. Rxd5 Qxd5 23. Nf4 Qc6 24. a4 b4 25. Rd1 Rc8 26. Rd3 Kf8 27. Qd1 f5 28. b3 Ke8 29. Ng2 Bc5 30. Ne1 Bb6 31. Nf3 Qc5 32. Qf1 Qc2 33. e3 Kf8 34. Ne5 Bc7 35. Nf3 Bb6 36. Rd6 Bc5 37. Rd7 Qxb3 38. Qa6 Re8 39. Qxa5 Be7 40. Qe5 Kg8 41. Qb5 Qa2 42. Kg2 Kf8 43. Nd4 Bg5 44. Qe5 Kg8 45. Nxf5 f6 46. Qc7 exf5 47. Rxh7 Qd5+ 48. Kh3 1-0