[Event "Master Challenge 12th"]
[Site "USA"]
[Date "1990.??.??"]
[Round "?"]
[White "Hanson, S."]
[Black "Avery, Robert William"]
[Result "1-0"]
[ECO "C36"]
[PlyCount "59"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 Nf6 4. Nc3 d5 5. exd5 Nxd5 6. Bc4 Nxc3 7. bxc3 Bd6 8. d4 0-0 9. 0-0 Bg4 10. Qe1 Nc6 11. Qf2 g5 12. g3 fxg3 13. hxg3 h6 14. Kg2 Kg7 15. Bd2 Qd7 16. Rh1 Qf5 17. Raf1 f6 18. Bd3 Qd5 19. Kg1 Na5 20. Rxh6 Kxh6 21. Qh2+ Bh5 22. Nh4 Bf4 23. Nf5+ Qxf5 24. Bxf5 Bxd2 25. g4 Be3+ 26. Kg2 Kg7 27. Qxh5 Rf7 28. Qh7+ Kf8 29. Qh8+ Ke7 30. Qxa8 1-0

[Event "ASPCC corr"]
[Site "USA"]
[Date "1981.??.??"]
[Round "?"]
[White "Hanson, S."]
[Black "Knudsen, John C"]
[Result "0-1"]
[ECO "A42"]
[PlyCount "30"]
[EventDate "1981.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nc6 5. Be3 e5 6. d5 Nce7 7. Be2 f5 8. f3 Nf6 9. Qd2 f4 10. Bf2 Bd7 11. 0-0-0 c5 12. g3 h5 13. gxf4 exf4 14. Bh4 Neg8 15. Qxf4 Qb6 0-1

[Event "ASPCC corr"]
[Site "USA"]
[Date "1981.??.??"]
[Round "?"]
[White "Knudsen, John C"]
[Black "Hanson, S."]
[Result "1-0"]
[ECO "C71"]
[PlyCount "43"]
[EventDate "1981.??.??"]
[EventType "tourn (corr)"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. d4 b5 6. Bb3 Nxd4 7. Nxd4 exd4 8. Qxd4 c5 9. Qd5 Be6 10. Qc6+ Bd7 11. Qd5 c4 12. Bxc4 bxc4 13. Qxc4 Nf6 14. Nc3 Qb6 15. 0-0 Rc8 16. Qd3 Bb5 17. Nxb5 Qxb5 18. f3 Qxd3 19. cxd3 d5 20. Be3 Be7 21. Rab1 Kd7 22. Rf2 1-0

