[Event "US Open-57"]
[Site "Oklahoma"]
[Date "1956.??.??"]
[Round "12"]
[White "Gill, EH."]
[Black "Thomasson, W."]
[Result "1-0"]
[ECO "D20"]
[PlyCount "71"]
[EventDate "1956.07.16"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 e5 4. d5 c6 5. Bxc4 cxd5 6. exd5 Bd6 7. Nc3 Nf6 8. h3 0-0 9. Bg5 a6 10. Nf3 Nbd7 11. 0-0 b5 12. Bb3 Bb7 13. Re1 Re8 14. Ne4 Qe7 15. Nd4 Bb4 16. Nf5 Qf8 17. Nxf6+ Nxf6 18. Bxf6 gxf6 19. Re4 Red8 20. Qg4+ Kh8 21. Rxb4 Bc8 22. Qh4 Bxf5 23. Qxf6+ Kg8 24. Rh4 Bg6 25. Qxe5 Re8 26. Qf6 Qc5 27. Rf4 Ra7 28. h4 a5 29. a4 bxa4 30. Bxa4 Rb8 31. Rd1 Rb6 32. d6 Raa6 33. Be8 Ra7 34. Re1 Qxd6 35. Bxf7+ Bxf7 36. Rg4+ 1-0

[Event "US Open-57"]
[Site "Oklahoma"]
[Date "1956.??.??"]
[Round "10"]
[White "Potter, Robert BM"]
[Black "Thomasson, W."]
[Result "0-1"]
[ECO "A09"]
[PlyCount "72"]
[EventDate "1956.07.16"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 dxc4 3. Na3 Nf6 4. Nxc4 c5 5. g3 Nc6 6. Bg2 e6 7. d3 Be7 8. 0-0 0-0 9. b3 a6 10. Bb2 Qc7 11. Rc1 b5 12. Nfe5 Bb7 13. Nxc6 Bxc6 14. Be5 Qa7 15. Bxc6 Rac8 16. Bg2 bxc4 17. Rxc4 Nd7 18. Bb2 Nb6 19. Rg4 f6 20. Qd2 g5 21. h4 h6 22. hxg5 hxg5 23. Bf3 Rc7 24. Kg2 Bd8 25. Rh1 Rh7 26. Rxh7 Qxh7 27. Qe3 Qe7 28. Bc6 f5 29. Qe5 Kh7 30. f4 fxg4 31. Be4+ Kh6 32. fxg5+ Qxg5 33. Qxe6+ Kh5 34. Bc1 Qf6 35. Bg6+ Qxg6 36. Qe5+ Qf5 0-1

[Event "US Open-57"]
[Site "Oklahoma"]
[Date "1956.??.??"]
[Round "5"]
[White "Rozsa, Bela"]
[Black "Thomasson, W."]
[Result "1-0"]
[ECO "B72"]
[PlyCount "49"]
[EventDate "1956.07.16"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. h3 g6 7. Be3 Bg7 8. Qd2 0-0 9. g4 Be6 10. f4 Na5 11. f5 Bc4 12. Bg2 Ba6 13. b3 b6 14. Bh6 Qc7 15. Bxg7 Kxg7 16. g5 Nd7 17. Nd5 Qc5 18. b4 Qc4 19. Bf1 Qc8 20. bxa5 Bxf1 21. Rxf1 Nc5 22. f6+ exf6 23. gxf6+ Kh8 24. Qh6 Rg8 25. Ne7 1-0

[Event "US Open-57"]
[Site "Oklahoma"]
[Date "1956.??.??"]
[Round "8"]
[White "Thomasson, W."]
[Black "Garfinkel, Boris"]
[Result "1-0"]
[ECO "C15"]
[PlyCount "87"]
[EventDate "1956.07.16"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. Nge2 dxe4 5. a3 Be7 6. Nxe4 f5 7. N4g3 Nf6 8. Nf4 Nc6 9. Be3 g5 10. Nfh5 f4 11. Nxf6+ Bxf6 12. Qh5+ Kf8 13. Bc4 fxe3 14. fxe3 Qe8 15. 0-0 Ke7 16. Rf2 Bd7 17. Raf1 Rf8 18. Qxh7+ Qf7 19. Qh6 Qg7 20. Rxf6 Qxh6 21. Rxh6 Rxf1+ 22. Kxf1 Rf8+ 23. Ke2 e5 24. d5 Bg4+ 25. Ke1 Nd8 26. h3 Nf7 27. Rg6 Bd7 28. d6+ Nxd6 29. Bb3 g4 30. hxg4 Bc6 31. Re6+ Kd7 32. Rxe5 Bxg2 33. g5 Re8 34. Rxe8 Nxe8 35. Kf2 Bh3 36. e4 Ng7 37. Ke3 Kd6 38. Kf4 Ne6+ 39. Bxe6 Kxe6 40. Nh5 Bf1 41. g6 Bg2 42. g7 Kf7 43. e5 Kg8 44. e6 1-0

[Event "US Open-57"]
[Site "Oklahoma"]
[Date "1956.??.??"]
[Round "6"]
[White "Thomasson, W."]
[Black "Hartleb, Glenn E"]
[Result "0-1"]
[ECO "C29"]
[PlyCount "100"]
[EventDate "1956.07.16"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. f4 d5 3. exd5 exf4 4. Nf3 Nf6 5. Bc4 Bd6 6. 0-0 0-0 7. d4 Nbd7 8. Nc3 Nb6 9. Bb3 Bg4 10. Qe1 Re8 11. Qh4 Bxf3 12. Rxf3 Ne4 13. Qxd8 Raxd8 14. Bxf4 Nxc3 15. bxc3 Bxf4 16. Rxf4 Nxd5 17. Rf5 c6 18. Rf3 Rd7 19. Kf2 Rde7 20. h3 Nf6 21. Rd1 Re2+ 22. Kf1 h6 23. c4 R8e3 24. Rxe3 Rxe3 25. Re1 Rxe1+ 26. Kxe1 Kf8 27. Ke2 Ke7 28. Kd3 b6 29. d5 c5 30. Ke3 g5 31. g4 Kd6 32. c3 Ke5 33. Bc2 b5 34. Bb3 bxc4 35. Bxc4 Nxd5+ 36. Kd2 f6 37. Bf1 f5 38. gxf5 Kxf5 39. Kd3 Ke5 40. a3 Nb6 41. Bg2 Kf4 42. Be4 Nd7 43. Bb7 Ne5+ 44. Kc2 h5 45. Kb3 g4 46. hxg4 hxg4 47. Bh1 a6 48. Ka4 Nc4 49. Kb3 Nb6 50. a4 a5 0-1

[Event "US Open-57"]
[Site "Oklahoma"]
[Date "1956.??.??"]
[Round "4"]
[White "Thomasson, W."]
[Black "Hudson, John A"]
[Result "1/2-1/2"]
[ECO "C32"]
[PlyCount "49"]
[EventDate "1956.07.16"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. f4 d5 3. exd5 e4 4. d3 Nf6 5. Nd2 Bc5 6. Nxe4 Nxe4 7. dxe4 0-0 8. Nf3 Re8 9. Bd3 Qxd5 10. Qe2 Qh5 11. Bd2 Nc6 12. 0-0-0 Bg4 13. Bc3 Bd4 14. Bd2 Bb6 15. Be3 Qa5 16. Bxb6 axb6 17. a3 Nd4 18. Qf2 Bxf3 19. gxf3 Rad8 20. Rhg1 g6 21. f5 Qc5 22. Qg3 Rd6 23. f4 Rxe4 24. Kb1 Ne2 25. b4 1/2-1/2

[Event "US Open-57"]
[Site "Oklahoma"]
[Date "1956.??.??"]
[Round "11"]
[White "Thomasson, W."]
[Black "McClain, G."]
[Result "0-1"]
[ECO "C12"]
[PlyCount "82"]
[EventDate "1956.07.16"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Bb4 5. e5 h6 6. Bd2 Bxc3 7. bxc3 Ne4 8. Qg4 g6 9. Bc1 c5 10. Bd3 Nxc3 11. Nf3 c4 12. Bxg6 fxg6 13. Qxg6+ Kd7 14. Bxh6 Qg8 15. Qxg8 Rxg8 16. g3 Nc6 17. Bd2 Ne4 18. c3 Rf8 19. Ke2 Rxf3 20. Kxf3 Nxd2+ 21. Ke3 Ne4 22. Rac1 b5 23. f3 Nxc3 24. Rxc3 Nb4 25. a3 Nd3 26. h4 a5 27. h5 Ba6 28. h6 Rh8 29. g4 Ke7 30. f4 Kf7 31. f5 exf5 32. gxf5 Bc8 33. f6 Bf5 34. Rc2 Nxe5 35. Rb2 Ng4+ 36. Kf4 Bd7 37. Rg2 Kxf6 38. Rxg4 Bxg4 39. Kxg4 b4 40. axb4 axb4 41. Rh5 b3 0-1

