[Event "US Open-57"]
[Site "Oklahoma"]
[Date "1956.??.??"]
[Round "3"]
[White "Gill, EH."]
[Black "Brieger, Robert S"]
[Result "0-1"]
[ECO "D06"]
[PlyCount "54"]
[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. e3 Bf5 3. c4 e6 4. Qb3 Nc6 5. Qxb7 Nb4 6. Qb5+ c6 7. Qa4 Nc2+ 8. Kd2 Qb6 9. c5 Qb7 10. Bd3 Bxd3 11. Kxd3 Nxa1 12. b3 Rb8 13. Kc3 Nf6 14. Nd2 Be7 15. f3 Nd7 16. Ba3 Qb5 17. Qxb5 Rxb5 18. b4 a5 19. bxa5 Rxa5 20. Bb2 Nxc5 21. Bxa1 Ra3+ 22. Kc2 Rxa2+ 23. Kb1 Rxd2 24. dxc5 Rd1+ 25. Ka2 Bxc5 26. Bd4 Bxd4 27. exd4 Kd7 0-1

[Event "US Open-57"]
[Site "Oklahoma"]
[Date "1956.??.??"]
[Round "9"]
[White "Gill, EH."]
[Black "Marchand, Erich Watkinson"]
[Result "0-1"]
[ECO "D17"]
[PlyCount "92"]
[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. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 Bf5 6. Ne5 e6 7. f3 Bb4 8. e4 Bxe4 9. fxe4 Nxe4 10. Bd2 Qxd4 11. Nxe4 Bxd2+ 12. Nxd2 Qxe5+ 13. Be2 b5 14. 0-0 Nd7 15. Kh1 Nf6 16. Bf3 0-0 17. axb5 Rad8 18. Qc2 cxb5 19. Rfe1 Qd4 20. Nf1 h6 21. Ra6 Nd5 22. Rd1 Qc5 23. Qe4 Nb4 24. Rxd8 Rxd8 25. Ra5 Qb6 26. Ra1 Nd3 27. Qe3 Qxe3 28. Nxe3 Nxb2 29. Rxa7 c3 30. Rc7 b4 31. h3 f5 32. Rb7 Nd3 33. Kg1 Ne1 34. Rxb4 c2 35. Nxc2 Nxf3+ 36. gxf3 Rd1+ 37. Kf2 Rd2+ 38. Ke3 Rxc2 39. Rb7 Kh7 40. Re7 Rc6 41. Kf4 Kg6 42. Ke5 Rc5+ 43. Kxe6 Rc3 44. f4 Rxh3 45. Kd7 Rf3 46. Ke8 Rxf4 0-1

[Event "US Open-57"]
[Site "Oklahoma"]
[Date "1956.??.??"]
[Round "7"]
[White "Gill, EH."]
[Black "Stevens, Wilmer E"]
[Result "1/2-1/2"]
[ECO "B72"]
[PlyCount "60"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. Bb5+ Bd7 8. Bxd7+ Nbxd7 9. Qe2 0-0 10. Rd1 a6 11. 0-0 Qc7 12. f4 b5 13. a3 Rfc8 14. Nb3 Qc4 15. Qf3 a5 16. g4 b4 17. axb4 axb4 18. Rd4 Qe6 19. Rxb4 Qxg4+ 20. Qxg4 Nxg4 21. Bd2 Kf8 22. h3 Ngf6 23. Re1 Ne8 24. Kg2 Nc7 25. Kf3 Ke8 26. h4 Ne6 27. h5 Rcb8 28. Rxb8+ Rxb8 29. hxg6 hxg6 30. Ra1 Nb6 1/2-1/2

[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 "McClain, G."]
[Black "Gill, EH."]
[Result "1-0"]
[ECO "D52"]
[PlyCount "69"]
[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 e6 3. Nc3 Nf6 4. Bg5 c6 5. e3 Nbd7 6. Nf3 Bb4 7. Qc2 Qa5 8. Nd2 Ne4 9. Ndxe4 dxe4 10. Bh4 0-0 11. Be2 g5 12. Bg3 f5 13. f4 exf3 14. Bxf3 e5 15. 0-0 exd4 16. exd4 Bxc3 17. bxc3 f4 18. Bf2 Nf6 19. d5 g4 20. Be2 cxd5 21. cxd5 Qxd5 22. Rad1 Qc6 23. Bd4 Ne4 24. Bd3 Ng5 25. Rde1 Be6 26. Bxh7+ Kf7 27. Qg6+ Ke7 28. Qxg5+ Kd7 29. Rd1 Rf7 30. Bg6 Rg8 31. Bg7+ Kc8 32. Bxf7 Bxf7 33. Qe7 Bxa2 34. Rxf4 Qb6+ 35. Kh1 1-0

[Event "US Open-57"]
[Site "Oklahoma"]
[Date "1956.??.??"]
[Round "4"]
[White "Potter, Robert BM"]
[Black "Gill, EH."]
[Result "1-0"]
[ECO "A09"]
[PlyCount "39"]
[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 d4 3. e3 c5 4. b4 dxe3 5. fxe3 e5 6. Nxe5 Qh4+ 7. g3 Qe4 8. Nf3 Bg4 9. Be2 Nc6 10. Nc3 Qg6 11. b5 Nb4 12. 0-0 Bxf3 13. Bxf3 0-0-0 14. Be4 Qg5 15. Rxf7 Nh6 16. Rxb7 Bd6 17. Qf3 Rhf8 18. Qg2 Be5 19. Rxa7 Bxc3 20. Bf5+ 1-0

[Event "US Open-57"]
[Site "Oklahoma"]
[Date "1956.??.??"]
[Round "2"]
[White "Steinmeyer, Robert H"]
[Black "Gill, EH."]
[Result "1-0"]
[ECO "D53"]
[PlyCount "83"]
[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 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 c6 6. Nf3 Nbd7 7. Bd3 dxc4 8. Bxc4 Nd5 9. Bxe7 Qxe7 10. Bxd5 exd5 11. 0-0 f5 12. Ne2 g5 13. Nc1 g4 14. Nd2 Rg8 15. Nd3 Rg6 16. Qe2 Nf6 17. Ne5 Rh6 18. f4 Bd7 19. Rfc1 0-0-0 20. g3 Kb8 21. b4 Qe8 22. a4 a6 23. Nb3 Ne4 24. Nc5 Nxc5 25. bxc5 Bc8 26. Rab1 Ka8 27. Rb6 Qe7 28. Qd2 Rf6 29. Rcb1 Re8 30. Kg2 h5 31. Rh1 h4 32. h3 gxh3+ 33. Rxh3 Rh6 34. Rb1 Rg8 35. Rbh1 Rh7 36. Qe1 Ka7 37. Kf3 Rxg3+ 38. Qxg3 hxg3 39. Rxh7 Qe6 40. R1h6 Qg8 41. Rh8 Qg7 42. Nxc6+ 1-0

