[Event "IBM"]
[Site "Amsterdam"]
[Date "1971.07.23"]
[Round "9"]
[White "Gligoric, Svetozar"]
[Black "Evans, Larry Melvyn"]
[Result "1/2-1/2"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. b4 Ne8 10. c5 Kh8 11. a4 f5 12. Ng5 h6 13. Ne6 Bxe6 14. dxe6 fxe4 15. cxd6 Nxd6 16. b5 Qc8 17. Nd5 Re8 18. Bg4 Ndf5 19. Ba3 Nxd5 20. Qxd5 c6 21. Qxe4 Qxe6 22. bxc6 Qxc6 23. Bxf5 gxf5 24. Qxf5 Qxa4 25. Qf7 b6 26. Bb2 Qb5 27. Bc1 Rf8 28. Qh5 Qe8 29. Qh3 Qg6 30. Ra3 Rf6 31. Rg3 Qf5 32. Qh4 Raf8 33. Qa4 R8f7 34. Be3 Qd7 35. Qe4 Rc6 36. h3 b5 37. Qb1 a6 38. Rd1 Rd6 39. Rxd6 Qxd6 40. Qe4 Qe6 41. Rg6 Rf6 42. Rg4 Qf5 43. Qa8+ Kh7 44. Kh2 Rg6 45. Re4 Qd7 46. f3 Qd3 47. Bf2 Qc2 48. Bg3 Qc6 49. Qa7 Qb6 50. Qd7 Qd6 51. Qb7 Kg8 52. Qa8+ Qf8 53. Qd5+ Qf7 54. Qd8+ Kh7 55. Qd3 Qf5 56. Qe2 Re6 57. f4 1/2-1/2