[Event "Northwest Chess September op"]
[Site "Seattle"]
[Date "1983.09.??"]
[Round "?"]
[White "Walker, John"]
[Black "Grigsby, Jack"]
[Result "1-0"]
[ECO "A15"]
[PlyCount "113"]
[EventDate "1983.09.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. cxd5 Nxd5 7. d3 c6 8. a3 Qb6 9. Qc2 Rd8 10. Nbd2 Nd7 11. Rb1 a5 12. e4 Nc7 13. Nc4 Qa6 14. Be3 b5 15. Ncd2 Bb7 16. d4 Rac8 17. Rbc1 Ne6 18. Rfd1 c5 19. d5 Nd4 20. Bxd4 cxd4 21. Qb1 Nc5 22. b3 Qb6 23. Ne1 Nd7 24. Nd3 Rc3 25. Nf3 Rdc8 26. Nfe1 Nc5 27. b4 Na4 28. bxa5 Qxa5 29. Qb4 Qxb4 30. axb4 Nb2 31. Rxc3 dxc3 32. Rc1 Nxd3 33. Nxd3 Bd4 34. Kf1 Ra8 35. Ne1 Ra2 36. Nc2 Bf6 37. Ke2 Kf8 38. Kd3 e6 39. Re1 exd5 40. exd5 Bc8 41. h4 Bf5+ 42. Be4 Bxe4+ 43. Rxe4 Ra6 44. Re1 Ra7 45. Ra1 Rxa1 46. Nxa1 Ke7 47. Nc2 Kd6 48. Na3 Kxd5 49. Nxb5 c2 50. Kxc2 Kc4 51. Nd6+ Kxb4 52. Kd3 Be7 53. Nxf7 Kc5 54. Ke4 Bf6 55. Ng5 h6 56. Nf7 Bg7 57. f3 1-0

