[Event "Vancouver op"]
[Site "Vancouver"]
[Date "1975.05.19"]
[Round "4"]
[White "Litten, T."]
[Black "Wall, Brian D"]
[Result "0-1"]
[ECO "A01"]
[PlyCount "126"]
[EventDate "1975.05.17"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 c5 3. e3 a6 4. a4 e6 5. f4 Nf6 6. Nf3 Nc6 7. Be2 g6 8. 0-0 Bg7 9. h3 0-0 10. d3 Re8 11. Nbd2 Ng4 12. hxg4 Bxb2 13. Rb1 Bg7 14. g5 Ne7 15. Kf2 Qc7 16. Rh1 d4 17. e4 Qxf4 18. Nc4 b5 19. Rh4 Qc7 20. Nb2 Be5 21. Rh3 Kg7 22. Qh1 Rh8 23. g3 Nc6 24. Rg1 Nb8 25. Rg2 Nd7 26. Nh2 Bb7 27. Ng4 Nf8 28. Ke1 Rd8 29. Qf1 Bc6 30. Kd2 Bxe4 31. dxe4 d3 32. Nxd3 c4 33. axb5 cxd3 34. Bxd3 axb5 35. Nxe5 Qxe5 36. Qf4 Qa1 37. Qf6+ Qxf6 38. gxf6+ Kxf6 39. c4 bxc4 40. bxc4 Nd7 41. Kc3 h5 42. Rgh2 Ne5 43. Be2 Kg7 44. c5 Ra8 45. g4 Ra3+ 46. Kd4 Rxh3 47. Rxh3 Nc6+ 48. Ke3 Rb8 49. gxh5 Rb3+ 50. Bd3 g5 51. Kd2 Kh6 52. Rh1 Rb8 53. Rf1 Ne5 54. Be2 Rb2+ 55. Ke3 Rc2 56. Kd4 Nc6+ 57. Kd3 Rxc5 58. Ke3 Ne5 59. Ra1 Rc7 60. Ra5 Nd7 61. Kf2 Nf6 62. e5 Nxh5 63. Ra8 Nf4 0-1

