[Event "US Open-73"]
[Site "Atlantic City"]
[Date "1972.??.??"]
[Round "7"]
[White "Masover, C."]
[Black "Presser, David"]
[Result "0-1"]
[ECO "B25"]
[PlyCount "74"]
[EventDate "1972.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e5 7. Nf3 Nge7 8. 0-0 0-0 9. h3 Rb8 10. Nh4 Nd4 11. Rb1 b5 12. Ne2 exf4 13. Bxf4 b4 14. Nxd4 Bxd4+ 15. Kh2 Be6 16. b3 Bg7 17. Qc1 Nc6 18. Nf3 Re8 19. a4 bxa3 20. Qxa3 Rb6 21. Rf2 Nb4 22. Qc1 Ra6 23. Bf1 Na2 24. Qe1 Nc3 25. d4 Nxb1 26. Bxa6 Qb6 27. Bd3 Na3 28. dxc5 dxc5 29. Qf1 c4 30. bxc4 Nxc4 31. Re2 h6 32. Qc1 Kh7 33. Nd2 Ne5 34. Be3 Qc7 35. Bb5 Rc8 36. Kg2 Qb7 37. Ba4 Qa6 0-1

[Event "US Open-73"]
[Site "Atlantic City"]
[Date "1972.??.??"]
[Round "12"]
[White "Mengarini, Ariel"]
[Black "Presser, David"]
[Result "1-0"]
[ECO "B20"]
[PlyCount "43"]
[EventDate "1972.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. g3 d5 3. d4 dxe4 4. d5 Nf6 5. Nc3 Bf5 6. Be3 Nbd7 7. Qd2 g6 8. 0-0-0 Bg7 9. Bh6 Bxh6 10. Qxh6 Qa5 11. h3 e3 12. Qxe3 h5 13. Nf3 0-0-0 14. Nd2 Rhe8 15. f3 Nf8 16. Nc4 Qa6 17. g4 Nxd5 18. Rxd5 Rxd5 19. Nxd5 Qxa2 20. Qe5 Ne6 21. Ncb6+ axb6 22. Nxb6+ 1-0

[Event "US Open-73"]
[Site "Atlantic City"]
[Date "1972.??.??"]
[Round "6"]
[White "Presser, David"]
[Black "Kastner, Jeffrey"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "82"]
[EventDate "1972.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 Nc6 4. Nf3 g6 5. Bb5 Bd7 6. 0-0 Bg7 7. d3 a6 8. Bxc6 Bxc6 9. Qe1 Nf6 10. Bd2 0-0 11. Qh4 b5 12. Rae1 b4 13. Nd1 Nd7 14. f5 Ne5 15. Bh6 f6 16. Bxg7 Kxg7 17. fxg6 hxg6 18. Ne3 Rh8 19. Qg3 Rh5 20. Nd5 Bxd5 21. exd5 Qg8 22. d4 cxd4 23. Nxd4 Qxd5 24. Nf5+ Kf7 25. Ne3 Qxa2 26. b3 Qa5 27. Rd1 Rc8 28. Rd5 Qb6 29. Kh1 Rc3 30. Re1 Ng4 31. Rxh5 gxh5 32. Nd5 Rxg3 33. Nxb6 Re3 34. Ra1 Re2 35. Nd5 Ne3 36. Nxb4 Nxc2 37. Nxc2 Rxc2 38. Kg1 Rb2 39. Rxa6 Rxb3 40. Kf2 Rb5 41. Kf3 Rf5+ 0-1

[Event "US Open-73"]
[Site "Atlantic City"]
[Date "1972.??.??"]
[Round "11"]
[White "Presser, David"]
[Black "Levy, Louis"]
[Result "0-1"]
[ECO "B02"]
[PlyCount "54"]
[EventDate "1972.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. e5 d4 4. exf6 dxc3 5. fxg7 cxd2+ 6. Qxd2 Qxd2+ 7. Bxd2 Bxg7 8. 0-0-0 0-0 9. Bc4 Nc6 10. Ne2 Ne5 11. Bb3 c5 12. f4 c4 13. Ba4 Ng4 14. Rdf1 b5 15. Bxb5 Rb8 16. Bxc4 Bxb2+ 17. Kd1 Rd8 18. Rf3 Kf8 19. Ke1 Bf5 20. Bb3 Rbc8 21. h3 Nf6 22. Bc3 Ba3 23. Bxf6 exf6 24. Kf2 Be4 25. Rc3 Bc5+ 26. Kg3 Rd2 27. Bc4 Bb4 0-1

[Event "US Open-73"]
[Site "Atlantic City"]
[Date "1972.??.??"]
[Round "9"]
[White "Street, Frank"]
[Black "Presser, David"]
[Result "0-1"]
[ECO "B89"]
[PlyCount "58"]
[EventDate "1972.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Be3 Be7 8. Qe2 a6 9. 0-0-0 Qc7 10. Bb3 Na5 11. Kb1 b5 12. a3 Nxb3 13. cxb3 0-0 14. b4 Bb7 15. f3 d5 16. Rc1 Qd6 17. Rhd1 Qxh2 18. Rh1 Qg3 19. Rh3 Qg6 20. Qf2 Bd6 21. Rch1 Rfd8 22. Ka1 dxe4 23. Qh4 Rac8 24. Nde2 exf3 25. gxf3 Rc4 26. Qf2 Be5 27. Rg1 Qf5 28. Rhh1 Qxf3 29. Rd1 Rcc8 0-1

[Event "US Open-73"]
[Site "Atlantic City"]
[Date "1972.??.??"]
[Round "3"]
[White "Weinstein, Norman"]
[Black "Presser, David"]
[Result "1-0"]
[ECO "B61"]
[PlyCount "99"]
[EventDate "1972.08.13"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 Bd7 7. Qd2 Rc8 8. 0-0-0 Nxd4 9. Qxd4 Qa5 10. f4 e6 11. Bc4 Qc5 12. Bb3 Be7 13. Kb1 Qxd4 14. Rxd4 Bc6 15. Re1 Nd7 16. Bxe7 Kxe7 17. Red1 Nc5 18. Rxd6 Rhd8 19. Rxd8 Rxd8 20. Rxd8 Kxd8 21. g3 Nxe4 22. Nxe4 Bxe4 23. Kc1 Kd7 24. Kd2 Kd6 25. Ke3 Bc6 26. Bc4 Kc5 27. Bd3 f5 28. a3 a5 29. b3 b5 30. c3 h6 31. h4 Be8 32. Be2 Bc6 33. b4+ axb4 34. axb4+ Kd6 35. Kd4 Be8 36. c4 bxc4 37. Bxc4 Bc6 38. b5 Bb7 39. b6 Kc6 40. Ke5 Kxb6 41. Kxe6 Kc5 42. Ba2 Kd4 43. Kf7 Ke3 44. Kxg7 Kf3 45. Kxh6 Kxg3 46. Kg5 Bf3 47. Be6 Bg4 48. Bxf5 Be2 49. Bg6 Bd1 50. h5 1-0

[Event "Milwaukee North Central op"]
[Site "Milwaukee"]
[Date "1971.??.??"]
[Round "5"]
[White "Lynch, Joseph"]
[Black "Presser, David"]
[Result "1/2-1/2"]
[ECO "A25"]
[PlyCount "60"]
[EventDate "1971.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 d6 5. Nf3 Bg7 6. 0-0 Nge7 7. d3 h6 8. Rb1 Be6 9. b4 Qd7 10. b5 Nd8 11. Qb3 Bh3 12. Rd1 Bxg2 13. Kxg2 Ne6 14. e3 0-0 15. Nd5 Rae8 16. e4 Kh7 17. Rf1 f5 18. Ng1 Nd4 19. Qd1 Nxd5 20. cxd5 Nxb5 21. Qb3 a6 22. a4 Nd4 23. Qxb7 Rb8 24. Qxb8 Rxb8 25. Rxb8 Qxa4 26. Be3 Qc2 27. Rc1 Qxd3 28. Rxc7 Qxe4+ 29. f3 Qxd5 30. Bxd4 Qxd4 1/2-1/2

[Event "US Open-72"]
[Site "Ventura"]
[Date "1971.??.??"]
[Round "11"]
[White "Presser, David"]
[Black "Basich, Ronald"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "33"]
[EventDate "1971.08.08"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 cxd4 7. cxd4 Bd7 8. 0-0 Nxd4 9. Nxd4 Qxd4 10. Nc3 Qxe5 11. Re1 Qd6 12. Nb5 Bxb5 13. Bxb5+ Kd8 14. Be3 a6 15. Qa4 Rc8 16. Rac1 Rxc1 17. Rxc1 1-0

[Event "US Open-72"]
[Site "Ventura"]
[Date "1971.??.??"]
[Round "5"]
[White "Presser, David"]
[Black "De Fotis, Gregory"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "92"]
[EventDate "1971.08.08"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. f4 g6 4. Nf3 Bg7 5. Bb5+ Bd7 6. Bxd7+ Qxd7 7. 0-0 Nc6 8. d3 e6 9. Be3 Nd4 10. e5 Nf5 11. Bf2 b6 12. g4 Nfe7 13. exd6 Qxd6 14. Ne5 Nf6 15. d4 cxd4 16. Qxd4 Qxd4 17. Bxd4 Nd7 18. Nb5 Bxe5 19. Bxe5 Nxe5 20. fxe5 0-0 21. Rad1 Nc6 22. Rfe1 Rfd8 23. Rd6 Rac8 24. Red1 Re8 25. Re1 a6 26. Nc3 b5 27. Kf2 Kf8 28. Kf3 Ke7 29. Rd2 Red8 30. Rxd8 Rxd8 31. Kf4 Rd4+ 32. Re4 h6 33. Ke3 Rd8 34. a3 Na5 35. b3 Rc8 36. Kd3 Nb7 37. b4 Nd8 38. a4 Rb8 39. axb5 axb5 40. Kd4 Kd7 41. Kc5 Rc8+ 42. Kd4 Kc6 43. Rf4 Kb6 44. Kd3 Nc6 45. Ke4 Nxb4 46. Kd4 Rc4+ 0-1

[Event "Milwaukee North Central op"]
[Site "Milwaukee"]
[Date "1971.??.??"]
[Round "4"]
[White "Presser, David"]
[Black "Domsky, Arthur"]
[Result "1-0"]
[ECO "B57"]
[PlyCount "91"]
[EventDate "1971.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 d6 4. d4 cxd4 5. Nxd4 Bd7 6. Bc4 Nf6 7. 0-0 g6 8. Nxc6 Bxc6 9. Bg5 Bg7 10. Nd5 0-0 11. Bxf6 Bxf6 12. Nxf6+ exf6 13. Qd4 Qe7 14. f3 Qe5 15. Rad1 Rfd8 16. Rd3 Qxd4+ 17. Rxd4 Kf8 18. Kf2 a6 19. Ke3 Rd7 20. Rfd1 Ke7 21. R1d3 Rc8 22. g4 b5 23. Bb3 Bb7 24. c4 Rc5 25. cxb5 axb5 26. Bd5 Ba6 27. Ra3 Bb7 28. Bxb7 Rxb7 29. Ra6 Rc2 30. Rd2 Rxd2 31. Kxd2 Rc7 32. Rb6 Rc5 33. f4 f5 34. Rb7+ Ke6 35. b4 Rc4 36. gxf5+ gxf5 37. exf5+ Kxf5 38. Rxb5+ Ke4 39. a4 d5 40. a5 d4 41. a6 d3 42. a7 Rc2+ 43. Kd1 Ke3 44. a8Q Rd2+ 45. Kc1 Rc2+ 46. Kb1 1-0

[Event "US Open-72"]
[Site "Ventura"]
[Date "1971.??.??"]
[Round "3"]
[White "Presser, David"]
[Black "Martz, William E"]
[Result "1/2-1/2"]
[ECO "B47"]
[PlyCount "114"]
[EventDate "1971.08.08"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 Qc7 6. g3 a6 7. Bg2 Nge7 8. 0-0 Nxd4 9. Qxd4 Nc6 10. Qd1 Be7 11. f4 d6 12. b3 0-0 13. Bb2 Bd7 14. Ne2 b5 15. Rc1 Rfd8 16. c4 Qa5 17. cxb5 axb5 18. a3 Be8 19. Kh1 Rac8 20. f5 e5 21. h4 b4 22. a4 Nb8 23. Qd5 Qa6 24. Rxc8 Rxc8 25. Rc1 Rxc1+ 26. Nxc1 Bc6 27. Qd2 Qb7 28. Qe1 Na6 29. Nd3 f6 30. Qc1 d5 31. exd5 Bxd5 32. Qc2 Bd6 33. Bc1 Kf7 34. Kh2 Ke7 35. Be3 Kd7 36. Nb2 Bxg2 37. Qxg2 Qxg2+ 38. Kxg2 Bc5 39. Kf3 Bxe3 40. Kxe3 Nc5 41. Nd3 Nxb3 42. Nxb4 Kd6 43. Na2 Kd5 44. Nc3+ Kc4 45. Ne4 Nd4 46. g4 h5 47. Nd6+ Kb4 48. Ne8 hxg4 49. Nxg7 Nf3 50. h5 Ng5 51. h6 Kxa4 52. Ne6 Nh7 53. Kf2 Kb4 54. Kg3 Kc4 55. Kxg4 e4 56. Kh4 Kd5 57. Nc7+ Kd4 1/2-1/2

[Event "US Open-72"]
[Site "Ventura"]
[Date "1971.??.??"]
[Round "9"]
[White "Presser, David"]
[Black "Tarjan, James Edward"]
[Result "1/2-1/2"]
[ECO "A22"]
[PlyCount "78"]
[EventDate "1971.08.08"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. e3 g6 4. d4 d6 5. dxe5 dxe5 6. Qxd8+ Kxd8 7. Nf3 Nbd7 8. b3 Bb4 9. Bd2 c6 10. Be2 a5 11. 0-0 Ke7 12. Rfd1 Rd8 13. a3 Bd6 14. Na4 Ne4 15. Be1 c5 16. Nd2 Nef6 17. f3 Ra6 18. Bh4 h6 19. Ne4 g5 20. Nxd6 Rxd6 21. Be1 b6 22. b4 axb4 23. axb4 Bb7 24. bxc5 bxc5 25. Rxd6 Kxd6 26. Nc3 Ra8 27. Nb5+ Ke7 28. Rxa8 Bxa8 29. Ba5 Ne8 30. Nc7 Nxc7 31. Bxc7 Bb7 32. Bd3 Ke6 33. Kf2 Nf6 34. Bd8 e4 35. Be2 exf3 36. gxf3 Nd7 37. f4 gxf4 38. exf4 Nf6 39. Ke3 Ba6 1/2-1/2

[Event "Milwaukee North Central op"]
[Site "Milwaukee"]
[Date "1971.??.??"]
[Round "6"]
[White "Presser, David"]
[Black "Tykwinski, David"]
[Result "1-0"]
[ECO "B89"]
[PlyCount "49"]
[EventDate "1971.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nf3 d6 4. d4 cxd4 5. Nxd4 Nf6 6. Bc4 e6 7. Be3 a6 8. Bb3 Be7 9. Qe2 Qc7 10. 0-0-0 0-0 11. Rhg1 Na5 12. g4 Nxb3+ 13. axb3 b5 14. g5 Nd7 15. Rg3 Rd8 16. Nf5 Nf8 17. Bb6 Qxb6 18. Nxe7+ Kh8 19. Qf3 Ng6 20. Qxf7 Nxe7 21. Qxe7 Rb8 22. Rf3 Bb7 23. Qxe6 Bc8 24. Qxd6 Be6 25. Qxb6 1-0

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.21"]
[Round "11"]
[White "Presser, David"]
[Black "Harkins, James L"]
[Result "0-1"]
[ECO "A16"]
[PlyCount "120"]
[EventDate "1969.08.10"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. d3 c6 6. e4 Na6 7. Nge2 Nc7 8. 0-0 d5 9. Qc2 d4 10. Na4 e5 11. b4 Nh5 12. Rb1 b6 13. Nb2 Bd7 14. a4 Rc8 15. Ra1 f5 16. f4 fxe4 17. Bxe4 Ne6 18. fxe5 Rxf1+ 19. Kxf1 Bxe5 20. Kg1 Ng5 21. Bxg5 Qxg5 22. Qc1 Qg4 23. Qf1 Rf8 24. Qg2 Nf6 25. Rf1 Nxe4 26. Rxf8+ Kxf8 27. Qxe4 Bd6 28. b5 Ba3 29. Nd1 Qxe4 30. dxe4 cxb5 31. cxb5 Be6 32. Nf2 Bb2 33. Nd3 Bc3 34. Nxc3 dxc3 35. Nc1 Ke7 36. Kf2 Kd6 37. Ke3 Kc5 38. Ne2 Kb4 39. e5 Kb3 40. Kf4 c2 41. Kg5 Kb2 42. Kf6 Bc4 43. e6 Bxe2 44. e7 c1Q 45. e8Q Qc3+ 46. Kg5 Qc5+ 47. Kh6 Qh5+ 48. Kg7 Bc4 49. Qe1 Qxh2 50. Qb4+ Bb3 51. Qd4+ Ka2 52. Qd7 Qxg3 53. Qxa7 Qe5+ 54. Kxh7 g5 55. a5 Qf5+ 56. Kg7 Qe5+ 57. Kh7 Bc2+ 58. Kg8 Qe6+ 59. Kg7 Qg6+ 60. Kf8 Qh6+ 0-1

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.19"]
[Round "9"]
[White "Presser, David"]
[Black "Burstow, John"]
[Result "0-1"]
[ECO "C56"]
[PlyCount "90"]
[EventDate "1969.08.10"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. 0-0 Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qa5 9. Nxe4 Be6 10. Bd2 Bb4 11. Nxd4 Nxd4 12. c3 0-0-0 13. cxb4 Qf5 14. Rc1 Kb8 15. Re3 Bxa2 16. Nc5 Ne6 17. Qe2 Nd4 18. Qd1 Rd6 19. Qa4 Be6 20. b5 Nb3 21. Rxb3 Rxd2 22. Rf3 Qg4 23. Rf4 Qe2 24. Ra1 a6 25. Nxb7 Qxb5 26. Qxb5 axb5 27. Nc5 Rhd8 28. h3 Rxb2 29. Nxe6 fxe6 30. Rf7 b4 31. Ra5 Rd5 32. Ra1 b3 33. Rf3 Rb5 34. Ra3 Kb7 35. Kh2 c5 36. Rf7+ Kc6 37. Raa7 Ra2 38. Rac7+ Kd5 39. Rcd7+ Kc4 40. Rf4+ Kc3 41. Rf3+ Kb4 42. Rf4+ c4 43. Rc7 Rc2 44. Kg3 b2 45. Rcxc4+ Rxc4 0-1

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.18"]
[Round "8"]
[White "Wilcox, Rex"]
[Black "Presser, David"]
[Result "1-0"]
[ECO "B32"]
[PlyCount "59"]
[EventDate "1969.08.10"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e5 5. Nb5 a6 6. Nd6+ Bxd6 7. Qxd6 Qf6 8. Qa3 Nge7 9. Nc3 Rb8 10. Be3 b5 11. Nd5 Nxd5 12. exd5 Ne7 13. 0-0-0 d6 14. h4 h6 15. Kb1 0-0 16. Bd3 Nxd5 17. Bg5 Qe6 18. Be4 Nb6 19. b3 d5 20. Bh7+ Kxh7 21. Qxf8 Qf5 22. Rd3 Rb7 23. Rf3 Qe4 24. Bf6 Qg6 25. Bxe5 Qxg2 26. Re1 f6 27. Rg3 Qxf2 28. Reg1 g5 29. hxg5 hxg5 30. Rxg5 1-0

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.17"]
[Round "7"]
[White "Marchand, Erich Watkinson"]
[Black "Presser, David"]
[Result "0-1"]
[ECO "E91"]
[PlyCount "102"]
[EventDate "1969.08.10"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 g6 2. e4 Bg7 3. d4 d6 4. Nf3 Nf6 5. Nc3 0-0 6. Be2 Nbd7 7. e5 Ne8 8. 0-0 c5 9. exd6 Nxd6 10. d5 Nf6 11. Be3 b6 12. Bf4 Nh5 13. Bg5 h6 14. Bd2 e5 15. g3 Kh7 16. Ne1 Bh3 17. Ng2 f5 18. f3 Qe7 19. Qc2 Rae8 20. Rae1 Nf6 21. Bd3 e4 22. Qb1 Qe5 23. Re3 Nxc4 24. Bxc4 Bxg2 25. Kxg2 Qd4 26. fxe4 Qxc4 27. b3 Qb4 28. a3 Qxa3 29. Nb5 Qa6 30. Nc7 Qb7 31. Nxe8 Rxe8 32. exf5 Qxd5+ 33. Kh3 g5 34. g4 Qd4 35. Qd1 Rxe3+ 36. Bxe3 Qxe3+ 37. Rf3 Qe4 38. Rd3 Qf4 39. Qf3 Qxf3+ 40. Rxf3 h5 41. Kg2 Nxg4 42. Rd3 Bd4 43. Rd1 Ne3+ 44. Kf3 Nxd1 45. Ke4 Nc3+ 46. Kd3 Kg7 47. Kc4 g4 48. b4 h4 49. b5 g3 50. hxg3 hxg3 51. f6+ Kxf6 0-1

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.15"]
[Round "6"]
[White "Presser, David"]
[Black "Wolford, David"]
[Result "1-0"]
[ECO "C44"]
[PlyCount "63"]
[EventDate "1969.08.10"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 d6 5. c3 Nf6 6. Qb3 Qd7 7. Ng5 Ne5 8. Bf1 dxc3 9. f4 Neg4 10. Nxc3 g6 11. Bc4 Nh6 12. 0-0 Bg7 13. e5 Nh5 14. Nxf7 Nxf7 15. e6 Qe7 16. Nd5 Qd8 17. exf7+ Kf8 18. Re1 Bd7 19. Bd2 c6 20. Bb4 Bd4+ 21. Ne3 Qf6 22. Rad1 c5 23. Rxd4 cxb4 24. Red1 Bc6 25. Rxd6 Qxf4 26. Rd8+ Rxd8 27. Rxd8+ Kg7 28. Rg8+ Rxg8 29. fxg8Q+ Kh6 30. h3 a5 31. Ng4+ Kg5 32. Qe3 1-0

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.14"]
[Round "5"]
[White "Grefe, John Alan"]
[Black "Presser, David"]
[Result "1-0"]
[ECO "B28"]
[PlyCount "117"]
[EventDate "1969.08.10"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. Bc4 Nb6 7. Bb3 d5 8. exd6 Qxd6 9. cxd4 g6 10. Ng5 Nd5 11. Nxf7 Kxf7 12. Qf3+ Kg7 13. Qxd5 Qxd5 14. Bxd5 e6 15. Bb3 Nc6 16. Be3 Na5 17. Bc2 Nc4 18. Nd2 Bb4 19. 0-0-0 Bxd2+ 20. Bxd2 Nxd2 21. Rxd2 Bd7 22. Bb3 Rac8+ 23. Kb1 Rhf8 24. Re1 Kf6 25. Rde2 Rc6 26. Re3 Rd6 27. Rf3+ Kg7 28. Rxf8 Kxf8 29. Re4 Rc6 30. Re5 Rd6 31. d5 exd5 32. Rxd5 Bf5+ 33. Kc1 Rf6 34. Rd8+ Ke7 35. Rh8 g5 36. Rb8 Be4 37. f3 Bc6 38. Rg8 Rh6 39. h3 Kf6 40. Kd2 Kf5 41. Ke3 Rh4 42. Rg7 Kf6 43. Rc7 h6 44. a3 Ke5 45. Rh7 Kd6 46. Bc2 Ke5 47. Bb1 Kd6 48. Bd3 Ke5 49. Bf1 Kd6 50. g4 Ke5 51. Rf7 Ke6 52. Rf5 Kd6 53. Kd4 Ke6 54. Kc5 h5 55. Rxg5 Bxf3 56. Rxh5 Rxh5+ 57. gxh5 Bxh5 58. Bg2 b5 59. Bb7 1-0

[Event "US Open-70"]
[Site "Lincoln"]
[Date "1969.08.11"]
[Round "2"]
[White "Presser, David"]
[Black "Denker, Arnold Sheldon"]
[Result "0-1"]
[ECO "A25"]
[PlyCount "118"]
[EventDate "1969.08.10"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 0-0 7. d3 d6 8. 0-0 Be6 9. Nd5 Qd7 10. Rb1 Nd8 11. b4 Nxd5 12. cxd5 Bh3 13. b5 Bxg2 14. Kxg2 a6 15. a4 axb5 16. axb5 Ra5 17. Bd2 Rxb5 18. Qa4 c6 19. Rxb5 cxb5 20. Qa5 f5 21. f4 Nf7 22. Rc1 Rc8 23. Rxc8+ Qxc8 24. Nc3 exf4 25. gxf4 b6 26. Qb4 Bxc3 27. Bxc3 Qc5 28. Qd4 Qxd4 29. Bxd4 b4 30. Bxb6 b3 31. Bd4 Kf8 32. Kf3 Ke7 33. e4 fxe4+ 34. dxe4 g5 35. fxg5 Nxg5+ 36. Kf4 Nf7 37. Ke3 Nh6 38. Kd3 Ng4 39. h3 Nf6 40. Kc3 Nxe4+ 41. Kxb3 Ng5 42. h4 Nf3 43. Bf2 Nd2+ 44. Kc2 Ne4 45. Bg1 Kf6 46. Kd3 Ke5 47. Bh2+ Kxd5 48. Ke3 Nf6 49. Kd3 Ke6 50. Kd4 Nh5 51. Ke4 d5+ 52. Kd4 Ng7 53. Kc5 h5 54. Bf4 Nf5 55. Bg5 Ke5 56. Kc6 d4 57. Kd7 d3 58. Ke8 Nxh4 59. Kf7 Nf3 0-1

