[Event "Olympiad-23"]
[Site "Buenos Aires"]
[Date "1978.11.08"]
[Round "13"]
[White "Pfleger, Helmut"]
[Black "Hartston, William R"]
[Result "1/2-1/2"]
[WhiteElo "2530"]
[BlackElo "2475"]
1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 O-O 5. O-O c6 6. d4 d5 7. Nbd2 Bf5 8. b3 Ne4 9. Bb2 Qa5 10. h3 Bh6 11. e3 Nd7 12. g4 Nxd2 13. Qxd2 Qxd2 14. Nxd2 Be6 15. f4 Nb6 16. Rac1 f5 17. g5 Bg7 18. Ba3 Rfe8 19. Rc2 a5 20. Rfc1 a4 21. Bc5 axb3 22. axb3 Ra6 23. Bf1 dxc4 24. bxc4 Nd7 25. Bb4 c5 26. dxc5 Nb8 27. Bg2 Bc8 28. Bc3 Bf8 29. Nf3 Nd7 30. Bd4 e6 31. Ne5 Nxc5 32. Rb1 Bd6 33. Rb5 Bxe5 34. Bxc5 Bg7 35. Kf2 e5 36. Bd5+ Be6 37. Bxb7 Ra4 38. Bb4 exf4 39. exf4 Rd8 40. Bd5 Bxd5 41. cxd5 Bf8 42. d6 Ra6 43. Rd2 Rd7 44. Rd3 Kf7 45. Rbd5 Ke6 46. Re5+ Kf7 47. Red5 Ke6 48. Ke3 Bxd6 49. Bxd6 Raxd6 50. Rxd6+ Rxd6 51. Rxd6+ Kxd6 52. Kd4 Ke6 53. Kc5 Ke7 54. Kd5 Kd7 55. Ke5 Ke7 56. h4 Kf8 57. Kf6 Kg8 58. h5 gxh5 59. Kxf5 Kf7 60. Ke4 h6 61. gxh6 Kg6 62. Ke5 Kxh6 63. f5 Kg7 64. f6+ Kf7 65. Kf5 h4 66. Kg4 h3 67. Kg3 1/2-1/2