[Event "USA Annual op-ch69"]
[Site "Aspen"]
[Date "1968.08.??"]
[Round "?"]
[White "Kolber, J."]
[Black "Bassin, Charles"]
[Result "0-1"]
[ECO "E60"]
[PlyCount "38"]
[EventDate "1968.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 g6 2. g3 Bg7 3. Bg2 Nf6 4. 0-0 0-0 5. c4 d6 6. d4 Nc6 7. b3 e5 8. e3 Bg4 9. h3 Bf5 10. Nh4 Be4 11. f3 Nh5 12. fxe4 exd4 13. Bb2 Nxg3 14. Nf3 Nxf1 15. Kxf1 dxe3 16. Bxg7 Kxg7 17. Qe2 Qf6 18. e5 dxe5 19. Qb2 Nd4 0-1

[Event "USA Annual op-ch69"]
[Site "Aspen"]
[Date "1968.08.??"]
[Round "?"]
[White "Steffen, J."]
[Black "Kolber, J."]
[Result "1-0"]
[ECO "E62"]
[PlyCount "59"]
[EventDate "1968.08.11"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. c4 Nf6 4. Nf3 0-0 5. Nc3 d6 6. d4 Nc6 7. 0-0 e5 8. d5 Ne7 9. Rb1 Ne8 10. e4 f5 11. Ne2 Nf6 12. b4 Nxe4 13. Ng5 Nxg5 14. Bxg5 h6 15. Bc1 g5 16. f4 gxf4 17. gxf4 e4 18. Bb2 Rf7 19. Kh1 Kh7 20. Ng3 Ng6 21. Bxg7 Kxg7 22. Nh5+ Kh7 23. Rb3 Nh4 24. Rg1 Bd7 25. Rg3 Qe7 26. Qd4 Rd8 27. Bh3 Nf3 28. Rg7+ Rxg7 29. Rxg7+ Kh8 30. Qa1 1-0

