[Event "Sioux Falls op"]
[Site "Sioux Falls"]
[Date "1998.??.??"]
[Round "?"]
[White "Dierks, Bob"]
[Black "Gilbert, Nathan"]
[Result "0-1"]
[ECO "D10"]
[PlyCount "88"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 c6 2. c4 d5 3. c5 g6 4. Nc3 Bg7 5. Nf3 Bg4 6. g3 Bxf3 7. exf3 e5 8. Be3 Ne7 9. Bh3 Nd7 10. 0-0 Qc8 11. Qd2 Nf5 12. b4 exd4 13. Bxf5 dxc3 14. Qe2 gxf5 15. Bd4+ Kf8 16. Bxg7+ Kxg7 17. Qd3 Ne5 18. Qxc3 Qe6 19. Rfe1 f6 20. f4 d4 21. Qxd4 Nf3+ 22. Kg2 Nxd4 23. Rxe6 Nxe6 24. a4 b6 25. cxb6 axb6 26. Rd1 Rxa4 27. Rd6 Re8 28. Rxc6 Rxb4 29. Rd6 b5 30. Rd7+ Kg8 31. h4 Rd4 32. Rb7 b4 33. h5 Nc5 34. Rc7 Rb8 35. h6 Ne6 36. Rc6 Kf7 37. Ra6 Rb7 38. Ra8 b3 39. Rh8 Kg6 40. Rg8+ Kxh6 41. Re8 b2 42. Rxe6 b1Q 43. Rxf6+ Kg7 44. Ra6 Qe4+ 0-1

