[Event "US Open-57"]
[Site "Oklahoma"]
[Date "1956.??.??"]
[Round "7"]
[White "De la Torre, A."]
[Black "Brieger, Robert S"]
[Result "0-1"]
[ECO "C02"]
[PlyCount "84"]
[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. e5 b6 4. c3 Qd7 5. Nf3 Ba6 6. Bxa6 Nxa6 7. 0-0 c5 8. a3 h5 9. b4 Ne7 10. Nh4 g6 11. Bg5 Ng8 12. Nxg6 fxg6 13. Qd3 Nc7 14. Qxg6+ Qf7 15. Qc2 a5 16. bxc5 bxc5 17. f4 Nh6 18. Nd2 Nf5 19. Rae1 Qd7 20. Nf3 cxd4 21. cxd4 Nb5 22. Qd3 Rc8 23. a4 Nbxd4 24. Bf6 Rg8 25. Ng5 Qxa4 26. Qh3 h4 27. Nxe6 Qb3 28. Qxb3 Nxb3 29. Ng5 Nd2 30. Rc1 Bc5+ 31. Rxc5 Rxc5 32. Re1 Nd4 33. e6 N2f3+ 34. gxf3 Nxf3+ 35. Kf2 Nxe1 36. Kxe1 Rg6 37. Be5 Rc2 38. Kd1 Rxh2 39. Nf3 Rf2 40. f5 Rgg2 41. f6 Rxf3 42. f7+ Ke7 0-1

[Event "US Open-57"]
[Site "Oklahoma"]
[Date "1956.??.??"]
[Round "11"]
[White "De la Torre, A."]
[Black "Garfinkel, Boris"]
[Result "0-1"]
[ECO "C02"]
[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. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 Bd7 7. Bc2 cxd4 8. cxd4 Nb4 9. 0-0 Nxc2 10. Qxc2 Rc8 11. Nc3 Ne7 12. Qd3 Nf5 13. g4 Ne7 14. Rb1 h5 15. g5 h4 16. Kh1 Nf5 17. Rg1 Be7 18. Be3 g6 19. h3 Rc4 20. a3 a5 21. Qd2 a4 22. Rbc1 Kf8 23. Ne2 Bb5 24. Rxc4 Bxc4 25. Rc1 Kg7 26. Nc3 Qa6 27. Kg2 b5 28. Nh2 b4 29. axb4 Bxb4 30. Qd1 Bb3 31. Qf3 Rc8 32. Ne2 Rc2 33. Rxc2 Bxc2 34. Qg4 Bd1 35. Kf1 Qd3 36. Qf3 Qc2 37. Ng4 Qxb2 38. Nh6 Nxe3+ 39. fxe3 Qxe2+ 40. Qxe2 Bxe2+ 41. Kxe2 a3 0-1

[Event "US Open-57"]
[Site "Oklahoma"]
[Date "1956.??.??"]
[Round "6"]
[White "Morrell, Phil W"]
[Black "De la Torre, A."]
[Result "0-1"]
[ECO "B21"]
[PlyCount "90"]
[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. d4 cxd4 3. c3 d6 4. Bc4 Nc6 5. Nf3 Nf6 6. Qb3 e6 7. Bg5 Be7 8. Nbd2 dxc3 9. Qxc3 0-0 10. Rd1 Bd7 11. Qd3 Ne8 12. h4 f6 13. Bf4 Ne5 14. Bxe5 fxe5 15. Nf1 Qa5+ 16. N1d2 Rc8 17. a3 Kh8 18. b4 Qc7 19. Ng5 Rf6 20. Qe2 Qb6 21. Ndf3 Ba4 22. Rd2 Qc6 23. Nxe5 dxe5 24. Qh5 h6 25. 0-0 Qxc4 26. Nf7+ Rxf7 27. Qxf7 Rc7 28. Qf3 Nf6 29. Re1 Bc6 30. Rde2 Rc8 31. g4 Rf8 32. g5 Nd5 33. Qg3 Nf4 34. Re3 Bb5 35. Kh2 Nd3 36. Rf1 Rf4 37. f3 Qd4 38. Re2 Nxb4 39. Rc1 Bxe2 40. g6 Nc6 41. Qe1 Bxf3 42. Rc2 Rxh4+ 43. Kg3 Rh1 44. Rxc6 Rxe1 45. Rc8+ Bd8 0-1

[Event "US Open-57"]
[Site "Oklahoma"]
[Date "1956.??.??"]
[Round "8"]
[White "Romanenko, Ivan1111"]
[Black "De la Torre, A."]
[Result "1-0"]
[ECO "B52"]
[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. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. 0-0 Ngf6 6. Re1 e5 7. c3 Be7 8. d4 cxd4 9. cxd4 h6 10. Nc3 a6 11. Be3 0-0 12. Qb3 b5 13. Rad1 Qe8 14. h3 Bd8 15. Nh4 Kh8 16. Nf5 Bc7 17. Rc1 Qb8 18. Qd1 Nb6 19. Qf3 Nc4 20. Qg3 1-0

