[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "1975.03.06"]
[Round "7"]
[White "Koelsche, Giles A"]
[Black "Erbe, T."]
[Result "1-0"]
[ECO "B27"]
[PlyCount "43"]
[EventDate "1975.03.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. Nf3 c5 2. e4 g6 3. d4 Bg7 4. Nc3 Qa5 5. Bd2 cxd4 6. Nd5 Qd8 7. Bc4 Nc6 8. 0-0 e6 9. Re1 Na5 10. Bd3 Nh6 11. Bg5 f6 12. Nxf6+ Bxf6 13. Bxh6 e5 14. Qd2 b6 15. Nxd4 exd4 16. e5 Be7 17. Bg7 Rg8 18. Qh6 d5 19. Qxh7 Rxg7 20. Qxg7 g5 21. Bb5+ Bd7 22. e6 1-0

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "1975.03.04"]
[Round "3"]
[White "Davidian, J."]
[Black "Erbe, T."]
[Result "1-0"]
[ECO "C72"]
[PlyCount "73"]
[EventDate "1975.03.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. 0-0 a6 5. Ba4 d6 6. d4 Bd7 7. Nc3 Ng6 8. Bg5 Be7 9. Bxe7 Ncxe7 10. Bxd7+ Qxd7 11. dxe5 Nxe5 12. Nxe5 dxe5 13. Qxd7+ Kxd7 14. Rad1+ Ke6 15. Nd5 Nxd5 16. exd5+ Kd6 17. c4 a5 18. b3 Rab8 19. Rde1 f5 20. a4 Rhe8 21. h4 g6 22. f3 Re7 23. Kh2 Rbe8 24. g4 e4 25. gxf5 gxf5 26. Kg3 e3 27. Kf4 e2 28. Rf2 Kc5 29. Kxf5 Kb4 30. f4 Kxb3 31. c5 Kc2 32. d6 cxd6 33. cxd6 Kd2 34. dxe7 Kxe1 35. Rxe2+ Kxe2 36. Ke6 Ke3 37. f5 1-0

