[Event "Columbia op"]
[Site "Columbia"]
[Date "2012.08.18"]
[Round "3"]
[White "Christensen, Wayne"]
[Black "Welt, Stephen"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2137"]
[BlackElo "2033"]
[PlyCount "131"]
[EventDate "2012.08.17"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. Qc2 g6 7. e3 Bf5 8. Bd3 Bxd3 9. Qxd3 h6 10. Bh4 Bg7 11. Nge2 Nbd7 12. 0-0 0-0 13. f3 Qb6 14. Kh1 Rfe8 15. Bf2 Qb4 16. Qc2 g5 17. Rad1 Re6 18. Ng3 Nb6 19. b3 Rae8 20. e4 dxe4 21. fxe4 Rd8 22. Bg1 Ree8 23. Nf5 Qa5 24. e5 Nfd5 25. Ne4 Nc8 26. Qf2 Qc7 27. Qg3 Re6 28. h4 Rg6 29. hxg5 hxg5 30. Be3 f6 31. Nxg7 Qxg7 32. exf6 Nxf6 33. Nxf6+ Rxf6 34. Rxf6 Qxf6 35. Bxg5 Qh8+ 36. Bh4+ Kf7 37. Rf1+ Ke6 38. Qh3+ Kd6 39. Bxd8 Qxd8 40. Qg3+ Kd7 41. Qg7+ Ne7 42. Rf7 Qe8 43. Rxe7+ Qxe7 44. Qxe7+ Kxe7 45. Kg1 Ke6 46. Kf2 a5 47. Ke3 b5 48. Ke4 Kf6 49. Kf4 Ke6 50. g4 Kd5 51. g5 Kxd4 52. g6 c5 53. g7 c4 54. bxc4 bxc4 55. g8Q Kd3 56. Qd5+ Kc3 57. Ke3 a4 58. Qd4+ Kb4 59. Qb2+ Kc5 60. Qc3 Kb5 61. Kd4 a3 62. Qxc4+ Ka5 63. Qb3 Ka6 64. Kc5 Ka7 65. Kc6 Ka8 66. Qb7# 1-0

