[Event "US op 122nd"]
[Site "Rancho Mirage"]
[Date "2022.08.01"]
[Round "3"]
[White "Cohen, Lawrence S"]
[Black "Mei, Austin"]
[Result "0-1"]
[ECO "A22"]
[WhiteElo "1815"]
[BlackElo "2249"]
[PlyCount "108"]
[EventDate "2022.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. e3 Nc6 7. Nge2 Bf5 8. e4 Be6 9. 0-0 Qd3 10. f4 Bc5+ 11. Kh1 f6 12. Rf3 Qd7 13. f5 Bf7 14. h3 0-0-0 15. Na4 Nxa4 16. Qxa4 Nb4 17. Qa5 Qe7 18. d4 exd4 19. Bd2 Nc6 20. Qa4 Ne5 21. b4 Be8 22. Qb3 Nxf3 23. Bxf3 Bd6 24. Nf4 Bxf4 25. Bxf4 Bc6 26. Kh2 g5 27. Bd2 b6 28. b5 Bb7 29. e5 fxe5 30. Bxb7+ Kxb7 31. a4 a5 32. bxa6+ Ka7 33. a5 Rb8 34. Qc2 h6 35. axb6+ cxb6 36. Bb4 Qd7 37. f6 d3 38. Qb3 Rbc8 39. Rd1 Rhd8 40. Rd2 e4 41. Be7 e3 42. Bxd8 exd2 43. Bxb6+ Kxa6 44. Be3 Qb5 45. Qa3+ Kb7 46. Qa7+ Kc6 47. Bxd2 Rc7 48. Qa8+ Kd6 49. Qe4 Rc2 50. Qe7+ Kd5 51. Qd8+ Kc4 52. Qg8+ Qd5 53. Qxd5+ Kxd5 54. f7 Rc8 0-1

[Event "US op 121st"]
[Site "Cherry Hill"]
[Date "2021.08.01"]
[Round "2"]
[White "Cohen, Lawrence S"]
[Black "Lenderman, Aleksandr"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "1813"]
[BlackElo "2607"]
[PlyCount "70"]
[EventDate "2021.07.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. c4 e6 2. g3 d5 3. cxd5 exd5 4. d4 c6 5. Bg2 h6 6. Nc3 Nf6 7. e3 Bd6 8. Nge2 0-0 9. 0-0 Re8 10. a3 Be6 11. f3 c5 12. dxc5 Bxc5 13. b4 Bb6 14. Na4 Nc6 15. Nxb6 Qxb6 16. Nd4 Ne5 17. Kh1 Bd7 18. Re1 Re7 19. Qb3 Rae8 20. Bf1 h5 21. Ra2 Qd6 22. b5 Rc8 23. a4 Ree8 24. Ba3 Qb6 25. Rc2 Rxc2 26. Qxc2 Rc8 27. Qd2 Nc4 28. Bxc4 Rxc4 29. a5 Qc7 30. Bb4 Bh3 31. Ba3 Nd7 32. Rc1 Ne5 33. Kg1 Rxc1+ 34. Bxc1 Qc4 35. Qc2 Qf1# 0-1

[Event "London Classic op U2050-B 11th"]
[Site "London"]
[Date "2019.12.06"]
[Round "5"]
[White "Cohen, Lawrence S"]
[Black "Iyengar, Ilya"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1824"]
[BlackElo "1982"]
[PlyCount "108"]
[EventDate "2019.12.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. e3 d6 6. Nge2 c6 7. d4 e5 8. 0-0 Qc7 9. Bd2 Nh5 10. Rc1 f5 11. d5 c5 12. a3 a6 13. Na2 f4 14. exf4 exf4 15. Nec3 Bd4 16. g4 Ng7 17. b4 Nd7 18. bxc5 Bxc5 19. Nb4 Ne5 20. Bf3 Nxc4 21. Ne4 Nxd2 22. Qxd2 b6 23. Qb2 Ne8 24. Nxc5 bxc5 25. Nc6 Qg7 26. Qb6 Bd7 27. Nd8 Qe7 28. Ne6 Bxe6 29. dxe6 Ra7 30. Rfd1 Qc7 31. Qb2 Ng7 32. Re1 Qe7 33. Qb6 Rc8 34. Rcd1 Rd8 35. Kg2 Ne8 36. h4 Qc7 37. Qb2 Qe7 38. g5 Ng7 39. Qb6 Nf5 40. Kh3 Nd4 41. Bd5 Kh8 42. Rxd4 cxd4 43. Qxd4+ Qg7 44. Qxf4 Re7 45. Re3 Rf8 46. Qxd6 Rxf2 47. Bf3 Qf8 48. Kg3 Rc2 49. Rb3 Rc8 50. Bc6 Rd8 51. Bd7 Rdxd7 52. Qe5+ Kg8 53. Rf3 Qd8 54. h5 Rd3 0-1

[Event "London Classic op U2050-B 11th"]
[Site "London"]
[Date "2019.12.05"]
[Round "4"]
[White "Valjee, Ashir"]
[Black "Cohen, Lawrence S"]
[Result "0-1"]
[ECO "C14"]
[WhiteElo "1507"]
[BlackElo "1824"]
[PlyCount "62"]
[EventDate "2019.12.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 a6 7. Qg4 f5 8. Qg3 Bxg5 9. hxg5 c5 10. dxc5 Nxc5 11. 0-0-0 Nc6 12. Nf3 Qc7 13. g6 h6 14. Ng5 Qxe5 15. f4 Qf6 16. Nf7 Rg8 17. Nxd5 exd5 18. Rxd5 Ne4 19. Qe3 Qe7 20. g4 Be6 21. Bc4 Bxd5 22. Bxd5 Qc5 23. Qd3 Nb4 24. Nd6+ Qxd6 25. Bf7+ Ke7 26. Qb3 Rgd8 27. Qe3 Qd2+ 28. Qxd2 Rxd2 29. Re1 Rxc2+ 30. Kb1 Rxb2+ 31. Ka1 Nc2+ 0-1

[Event "London Classic op U2050-B 11th"]
[Site "London"]
[Date "2019.12.04"]
[Round "3"]
[White "Cohen, Lawrence S"]
[Black "Mata, Andrew B"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "1824"]
[BlackElo "1756"]
[PlyCount "73"]
[EventDate "2019.12.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 c5 3. Bg2 g6 4. Nc3 Bg7 5. e3 Nc6 6. Nge2 d6 7. 0-0 0-0 8. d4 cxd4 9. exd4 Bg4 10. f3 Bd7 11. Be3 a6 12. Qd2 Re8 13. b3 e5 14. d5 Ne7 15. Rac1 Qa5 16. Ne4 Qxd2 17. Nxf6+ Bxf6 18. Bxd2 Nf5 19. Nc3 Nd4 20. Ne4 Be7 21. Kh1 f5 22. Nf2 a5 23. Nd3 b6 24. Rfe1 Kg7 25. h3 h6 26. Bc3 Bf6 27. b4 axb4 28. Bxb4 Rxa2 29. Bxd6 e4 30. fxe4 fxe4 31. Rxe4 Rxe4 32. Bxe4 Bxh3 33. Nf4 Bg4 34. c5 bxc5 35. Rxc5 Ra1+ 36. Kg2 Ra2+ 37. Kh1 1/2-1/2

[Event "London Classic op U2050-B 11th"]
[Site "London"]
[Date "2019.12.03"]
[Round "2"]
[White "Shepley, Julien M"]
[Black "Cohen, Lawrence S"]
[Result "1-0"]
[ECO "C13"]
[WhiteElo "1916"]
[BlackElo "1824"]
[PlyCount "65"]
[EventDate "2019.12.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nf6 5. Bg5 Be7 6. Bxf6 gxf6 7. Nf3 f5 8. Ned2 Bf6 9. c3 c6 10. Bd3 b6 11. Qe2 Qe7 12. 0-0 0-0 13. Rfe1 Qd8 14. Rad1 Kh8 15. Ne4 Rg8 16. Nxf6 Qxf6 17. Ne5 Bb7 18. Qf3 Qg7 19. g3 a6 20. Qh5 Rf8 21. Nc4 Nd7 22. Nd6 Rab8 23. Bxf5 Nf6 24. Qh4 exf5 25. Nxf5 Qg6 26. Ne7 Qg7 27. Re5 Rg8 28. Rde1 Nd7 29. Rh5 Rbe8 30. Re3 c5 31. Nf5 Rxe3 32. fxe3 Qg4 33. Rxh7# 1-0

[Event "London Classic op U2050-B 11th"]
[Site "London"]
[Date "2019.12.02"]
[Round "1"]
[White "Cohen, Lawrence S"]
[Black "Chaney, Ari"]
[Result "1-0"]
[ECO "A10"]
[WhiteElo "1824"]
[PlyCount "119"]
[EventDate "2019.12.02"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. c4 f5 2. g3 Nf6 3. Bg2 Nc6 4. Nc3 e6 5. e3 a6 6. Nge2 e5 7. d4 e4 8. 0-0 Be7 9. f3 exf3 10. Bxf3 0-0 11. Nf4 Qe8 12. Ncd5 Bd8 13. Qd3 d6 14. Bd2 Bd7 15. Rae1 Rb8 16. Nxf6+ Bxf6 17. Nd5 Qd8 18. b4 Ne7 19. Nxf6+ Rxf6 20. e4 fxe4 21. Bxe4 Ng6 22. Rxf6 Qxf6 23. Rf1 Qe7 24. Re1 Qf6 25. Bd5+ Kh8 26. Rf1 Qe7 27. Rf7 Qe8 28. Qf1 c6 29. Bg2 Kg8 30. Rf2 Qe6 31. Qe2 Rf8 32. d5 Qe5 33. Rxf8+ Kxf8 34. Qf3+ Ke8 35. Bc3 Qe7 36. Qe4 Kf8 37. h4 Qxe4 38. Bxe4 Kf7 39. c5 dxc5 40. bxc5 Ne7 41. d6 Nf5 42. Kf2 g6 43. Kf3 h6 44. Kf4 Ng7 45. Bxg7 Kxg7 46. g4 Kf6 47. g5+ hxg5+ 48. hxg5+ Kf7 49. Ke5 Kg7 50. Bc2 Kf7 51. a3 a5 52. Bb3+ Ke8 53. Be6 Kd8 54. Kf6 Bxe6 55. Kxe6 Ke8 56. a4 Kd8 57. d7 b5 58. cxb6 c5 59. b7 c4 60. b8Q# 1-0

[Event "London Classic Weekend op 11th"]
[Site "London"]
[Date "2019.12.01"]
[Round "5"]
[White "Cohen, Lawrence S"]
[Black "Carter, Thomas"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "1824"]
[BlackElo "1532"]
[PlyCount "81"]
[EventDate "2019.11.29"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. c4 c6 2. g3 d5 3. cxd5 Qxd5 4. Nf3 Nf6 5. Nc3 Qd8 6. Bg2 g6 7. 0-0 Bg7 8. d4 Bf5 9. Nh4 Be6 10. e4 0-0 11. f4 Bg4 12. Qd3 e6 13. h3 Bh5 14. Be3 Na6 15. a3 Nc7 16. g4 Nxg4 17. hxg4 Qxh4 18. gxh5 Qxh5 19. Qe2 Qh4 20. Rad1 f5 21. e5 Rad8 22. b4 Bh6 23. Qf2 Qe7 24. d5 cxd5 25. Bc5 Qd7 26. Bxf8 Bxf8 27. Qd4 a5 28. Rb1 Na6 29. Rf2 Qc8 30. Na2 Rd7 31. Rc1 Rc7 32. Rxc7 Qxc7 33. Bf1 Nb8 34. Qc3 Qb6 35. Kg2 Nc6 36. bxa5 Nxa5 37. Rb2 Qd8 38. Nb4 Qd7 39. Nc2 Bh6 40. Qxa5 Bxf4 41. Qa8+ 1-0

[Event "London Classic Weekend op 11th"]
[Site "London"]
[Date "2019.12.01"]
[Round "4"]
[White "Cohen, Lawrence S"]
[Black "Metcalfe, Charlie P"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "1824"]
[BlackElo "1867"]
[PlyCount "77"]
[EventDate "2019.11.29"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 d5 4. cxd5 Nxd5 5. Nc3 Nb6 6. Nf3 Nc6 7. 0-0 Be7 8. d3 0-0 9. a3 Be6 10. b4 a5 11. b5 Nd4 12. Nxd4 exd4 13. Na4 Bd5 14. Nxb6 cxb6 15. a4 Bxg2 16. Kxg2 Bc5 17. e4 Qd7 18. Qb3 Rac8 19. Bd2 Rfe8 20. h3 Kh8 21. f4 f5 22. e5 Re7 23. Rac1 Rce8 24. Bxa5 g5 25. Bd2 h5 26. Qd1 Qd5+ 27. Kh2 Qf7 28. Rf2 h4 29. gxh4 gxh4 30. Qf3 Rg8 31. Rg1 Rxg1 32. Kxg1 Qg8+ 33. Rg2 Rg7 34. Qh5+ Qh7 35. Qe8+ Qg8 36. Qxg8+ Rxg8 37. Rxg8+ Kxg8 38. Be1 Be7 39. Bf2 1-0

[Event "London Classic Weekend op 11th"]
[Site "London"]
[Date "2019.11.30"]
[Round "2"]
[White "Cohen, Lawrence S"]
[Black "Edwards, Simon R"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "1824"]
[BlackElo "1957"]
[PlyCount "36"]
[EventDate "2019.11.29"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 e6 5. e3 Ne7 6. Nge2 0-0 7. 0-0 d5 8. cxd5 Nxd5 9. Nxd5 exd5 10. d4 cxd4 11. Nxd4 Nc6 12. b3 Nxd4 13. exd4 Bf5 14. Be3 Qd7 15. Qd2 Rfc8 16. Rac1 Bh3 17. Rxc8+ Rxc8 18. Rc1 Bxg2 1/2-1/2

[Event "London Classic Weekend op 11th"]
[Site "London"]
[Date "2019.11.30"]
[Round "3"]
[White "Johansson, Toni"]
[Black "Cohen, Lawrence S"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2000"]
[BlackElo "1824"]
[PlyCount "69"]
[EventDate "2019.11.29"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Nh5 4. Be3 d5 5. Qd2 h6 6. Nc3 c6 7. h3 Nf6 8. g3 Na6 9. Bg2 Nc7 10. Bf4 Bg7 11. g4 h5 12. g5 Nd7 13. e4 dxe4 14. Nxe4 0-0 15. 0-0 Nd5 16. Bg3 f5 17. gxf6 exf6 18. c4 Ne7 19. Rfe1 Nf5 20. Rad1 Nb6 21. b3 Nxg3 22. fxg3 Be6 23. Nc5 Bf7 24. Ne6 Bxe6 25. Rxe6 Qc7 26. Kh2 Rad8 27. Qe3 Nc8 28. Nh4 g5 29. Nf5 h4 30. d5 hxg3+ 31. Qxg3 Qxg3+ 32. Kxg3 Nb6 33. Rde1 c5 34. Re7 Bh8 35. Nh6# 1-0

[Event "London Classic Weekend op 11th"]
[Site "London"]
[Date "2019.11.29"]
[Round "1"]
[White "Bonn, Thomas"]
[Black "Cohen, Lawrence S"]
[Result "1-0"]
[ECO "E82"]
[WhiteElo "2199"]
[BlackElo "1824"]
[PlyCount "109"]
[EventDate "2019.11.29"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 193 Extra"]
[Source "ChessBase"]
[SourceDate "2020.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 b6 7. Qd2 c5 8. Nge2 Ba6 9. b3 Nbd7 10. g4 h5 11. h3 Rc8 12. d5 Ne5 13. Bg2 Rb8 14. f4 Nexg4 15. hxg4 Nxg4 16. a4 Nxe3 17. Qxe3 Bc8 18. 0-0 Bg4 19. Bf3 Bxf3 20. Rxf3 e6 21. Raf1 Re8 22. Qd3 Qe7 23. Rg3 e5 24. f5 g5 25. f6 Bxf6 26. Qf3 h4 27. Qxf6 Qxf6 28. Rxf6 hxg3 29. Rxd6 Red8 30. Rc6 Rbc8 31. Rxc8 Rxc8 32. Nb5 a6 33. Na7 Rc7 34. Nc6 Kf8 35. Nxg3 f6 36. Nf5 Ke8 37. Kg2 a5 38. Kg3 Rh7 39. d6 Rb7 40. Nce7 Kd7 41. Kg4 Rb8 42. Nd5 Ke6 43. Nc7+ Kd7 44. Nb5 Rh8 45. Ne7 Rh4+ 46. Kg3 Rxe4 47. Nd5 Re1 48. Nxf6+ Ke6 49. Kf2 Rb1 50. Nd5 Rxb3 51. Nxb6 e4 52. d7 Rd3 53. Na7 g4 54. Nc6 g3+ 55. Kg2 1-0

[Event "US Open-120"]
[Site "Orlando"]
[Date "2019.08.07"]
[Round "2"]
[White "Cohen, Lawrence S"]
[Black "Sarkar, Justin"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "1840"]
[BlackElo "2357"]
[PlyCount "88"]
[EventDate "2019.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 c6 3. Bg2 d5 4. cxd5 cxd5 5. d4 Nc6 6. Nf3 Bf5 7. a3 e6 8. Nc3 h6 9. 0-0 Bd6 10. b4 Rc8 11. Bb2 0-0 12. Rc1 Ne4 13. Nxe4 Bxe4 14. Ne5 Bxg2 15. Nxc6 Qb6 16. Kxg2 Rxc6 17. Rxc6 Qxc6 18. Qc1 Qb5 19. Qc2 a5 20. bxa5 Qxa5 21. Qb3 Qa6 22. e3 Rc8 23. Rc1 Rc4 24. Rxc4 dxc4 25. Qc3 f6 26. e4 b5 27. h4 Kf7 28. e5 Qc6+ 29. Kf1 fxe5 30. dxe5 Bc5 31. f3 Qd5 32. Ke2 h5 33. Qc2 Bd4 34. Bxd4 Qxd4 35. f4 Qg1 36. Qc3 Qg2+ 37. Kd1 Kg6 38. f5+ Kxf5 39. Qe3 Qf1+ 40. Kc2 Qd3+ 41. Qxd3+ cxd3+ 42. Kxd3 Kxe5 43. Kc3 Kd5 44. Kb4 e5 0-1

[Event "Pan American-ch Seniors 50"]
[Site "St Croix"]
[Date "2018.12.12"]
[Round "7"]
[White "Cohen, Lawrence S"]
[Black "Brown, Clark"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "1821"]
[BlackElo "1723"]
[PlyCount "110"]
[EventDate "2018.12.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISV"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nf6 5. e4 Nc6 6. Nge2 0-0 7. 0-0 e5 8. d3 d6 9. Rb1 a6 10. a3 Bg4 11. f3 Bd7 12. Be3 Qc7 13. b4 Nd4 14. Qd2 Rfe8 15. g4 b5 16. g5 Nh5 17. Nd5 Qd8 18. bxc5 dxc5 19. f4 Bg4 20. Nec3 exf4 21. Nxf4 Nxf4 22. Bxf4 bxc4 23. dxc4 Qa5 24. Nd5 Qxd2 25. Bxd2 Rab8 26. Nc7 Red8 27. Rxb8 Rxb8 28. Nxa6 Ra8 29. Nxc5 Rxa3 30. Rb1 Be5 31. Bb4 Ra2 32. Nd3 Bc7 33. Bc5 Bf3 34. Ne1 Bxg2 35. Nxg2 Nf3+ 36. Kh1 Nxg5 37. e5 Bxe5 38. Be3 h6 39. c5 Kg7 40. Bxg5 hxg5 41. Rc1 Kf6 42. c6 Bc7 43. h3 Ke6 44. Kg1 Kd5 45. Ne3+ Ke4 46. Ng4 f5 47. Nf6+ Kf3 48. Nd5 Rg2+ 49. Kh1 Rh2+ 50. Kg1 Rg2+ 51. Kh1 Rh2+ 52. Kg1 Be5 53. Re1 Rg2+ 54. Kh1 Bg3 55. Rf1+ Bf2 1-0

[Event "Pan American-ch Seniors 50"]
[Site "St Croix"]
[Date "2018.12.12"]
[Round "8"]
[White "Roselli Mailhe, Bernardo"]
[Black "Cohen, Lawrence S"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2430"]
[BlackElo "1821"]
[PlyCount "115"]
[EventDate "2018.12.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISV"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 Bg4 6. Be2 c6 7. 0-0 Nbd7 8. h3 Bxf3 9. Bxf3 Qc7 10. Be3 0-0 11. Qd2 Rad8 12. g3 e5 13. Bg2 Nb6 14. b3 Nfd7 15. Rad1 Nc8 16. Bh6 exd4 17. Bxg7 Kxg7 18. Qxd4+ f6 19. Kh2 Nc5 20. f4 Ne6 21. Qe3 Qb6 22. Qxb6 Nxb6 23. Rf2 Kf7 24. Rfd2 Ke7 25. h4 a5 26. Bh3 Nc5 27. Bf1 Rfe8 28. Kg2 Nc8 29. Kf3 f5 30. g4 fxe4+ 31. Nxe4 Nxe4 32. Kxe4 Kd7+ 33. Kf3 Kc7 34. g5 Ne7 35. Bh3 Rf8 36. Re1 Nf5 37. Bxf5 Rxf5 38. Re7+ Rd7 39. Rxd7+ Kxd7 40. h5 b5 41. hxg6 hxg6 42. cxb5 Rxb5 43. Rh2 Ke7 44. Kg4 Rd5 45. Rh7+ Kf8 46. Rd7 Rd3 47. Rc7 c5 48. Ra7 d5 49. Rxa5 c4 50. bxc4 dxc4 51. Rc5 c3 52. Rc4 Rd2 53. f5 c2 54. Rc8+ Kf7 55. Rc7+ Kf8 56. f6 c1Q 57. Rxc1 Rxa2 58. Rc8+ 1-0

[Event "Pan American-ch Seniors 50"]
[Site "St Croix"]
[Date "2018.12.11"]
[Round "6"]
[White "Cohen, Lawrence S"]
[Black "Pitre, Hanniegn G"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "1821"]
[BlackElo "1919"]
[PlyCount "119"]
[EventDate "2018.12.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISV"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. e3 c6 6. Nge2 d6 7. 0-0 e5 8. d4 Nbd7 9. b3 Qc7 10. Bd2 Re8 11. Rc1 Nf8 12. d5 Bd7 13. e4 Rac8 14. h3 h6 15. f4 exf4 16. gxf4 Nh5 17. Kh2 f5 18. Bf3 Nf6 19. Ng3 N8h7 20. exf5 g5 21. Rg1 gxf4 22. Bxf4 Ng5 23. Bg2 c5 24. h4 Nf7 25. Bh3 Qd8 26. Qf3 Ne5 27. Bxe5 Rxe5 28. Nce4 Rxe4 29. Nxe4 Nxe4 30. Qxe4 Qf6 31. Rc2 Re8 32. Qg4 Kf8 33. Rcg2 Re7 34. Kh1 Be8 35. Rf1 a6 36. Rgg1 b5 37. Rf4 a5 38. cxb5 Bxb5 39. Bf1 Be8 40. Qf3 Re5 41. Rg6 Qd8 42. Re6 Bf6 43. h5 Bf7 44. Bh3 Bg5 45. Re4 Rxd5 46. Bg2 Re5 47. R6xe5 dxe5 48. Rxe5 Qd4 49. Re2 Qh4+ 50. Qh3 Qd4 51. Re1 Bd5 52. Bxd5 Qxd5+ 53. Qg2 Qf7 54. Qf3 c4 55. bxc4 Qxc4 56. Qa8+ Kg7 57. Qb7+ Kf6 58. Qe7+ Kxf5 59. Qe5+ Kg4 60. Re4+ 1-0

[Event "Pan American-ch Seniors 50"]
[Site "St Croix"]
[Date "2018.12.11"]
[Round "5"]
[White "Molina, Jorge"]
[Black "Cohen, Lawrence S"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "1968"]
[BlackElo "1821"]
[PlyCount "32"]
[EventDate "2018.12.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISV"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Qc2 Nbd7 8. Bd3 h6 9. Bf4 Nh5 10. Bg3 Nxg3 11. hxg3 Nf6 12. Nf3 Bg4 13. Ne5 Be6 14. a3 Bd6 15. Nf3 Ng4 16. Nd2 Qa5 1/2-1/2

[Event "Pan American-ch Seniors 50"]
[Site "St Croix"]
[Date "2018.12.09"]
[Round "3"]
[White "Cohen, Lawrence S"]
[Black "Rodriguez Rivera, Pedro"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1821"]
[BlackElo "2223"]
[PlyCount "49"]
[EventDate "2018.12.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISV"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. e4 d6 2. d3 Nf6 3. f4 Nbd7 4. Nf3 e5 5. c3 Be7 6. Be2 c6 7. Na3 0-0 8. Nc2 Re8 9. 0-0 Bf8 10. Rb1 exf4 11. Bxf4 Ne5 12. h3 Ng6 13. Bh2 Be6 14. c4 c5 15. Ne3 Qa5 16. a4 Nd7 17. Ng5 Nde5 18. Bh5 Qd8 19. Nxe6 Rxe6 20. Nd5 Rb8 21. b3 a6 22. Rb2 b5 23. axb5 axb5 24. Rbf2 f6 25. Bg4 1/2-1/2

[Event "Pan American-ch Seniors 50"]
[Site "St Croix"]
[Date "2018.12.09"]
[Round "4"]
[White "O'Neill, Julie Anne"]
[Black "Cohen, Lawrence S"]
[Result "1/2-1/2"]
[ECO "B23"]
[WhiteElo "1692"]
[BlackElo "1821"]
[PlyCount "46"]
[EventDate "2018.12.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISV"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. f4 a6 4. Nf3 Nc6 5. d3 d5 6. e5 Nge7 7. Be2 g6 8. 0-0 Nf5 9. Qe1 Be7 10. Nd1 Ncd4 11. Nxd4 Nxd4 12. Ne3 Nxe2+ 13. Qxe2 b5 14. Bd2 h5 15. c3 Bd7 16. b4 d4 17. cxd4 cxd4 18. Nc2 Bc6 19. Rac1 Bd5 20. a3 Bb3 21. Qf2 Bxc2 22. Rxc2 0-0 23. Rfc1 a5 1/2-1/2

[Event "Pan American-ch Seniors 50"]
[Site "St Croix"]
[Date "2018.12.08"]
[Round "1"]
[White "Cohen, Lawrence S"]
[Black "Piasetski, Leon David"]
[Result "0-1"]
[ECO "A20"]
[WhiteElo "1821"]
[BlackElo "2242"]
[PlyCount "68"]
[EventDate "2018.12.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISV"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Bg2 d6 4. e3 Be6 5. b3 d5 6. cxd5 Bxd5 7. e4 Be6 8. Nf3 f6 9. 0-0 Bc5 10. Ba3 Bxa3 11. Nxa3 Qd7 12. Qc1 Nge7 13. Nc2 Bg4 14. Ne3 Bxf3 15. Bxf3 Nd4 16. Bh5+ g6 17. Bd1 Qc6 18. Qxc6+ Ndxc6 19. f4 0-0-0 20. Rf2 Rd4 21. Ng4 exf4 22. Nxf6 fxg3 23. hxg3 Ne5 24. g4 h6 25. Rh2 g5 26. Rc1 Rf8 27. Rxh6 Rxd2 28. Rh7 Nd3 29. Rb1 Rxf6 30. Rxe7 Kd8 31. Rg7 Nf2 32. e5 Nh3+ 33. Kh1 Rff2 34. e6 Rh2# 0-1

[Event "Pan American-ch Seniors 50"]
[Site "St Croix"]
[Date "2018.12.08"]
[Round "2"]
[White "Thau, Peter L"]
[Black "Cohen, Lawrence S"]
[Result "1/2-1/2"]
[ECO "A08"]
[WhiteElo "1607"]
[BlackElo "1821"]
[PlyCount "78"]
[EventDate "2018.12.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "ISV"]
[SourceTitle "CBM 188 Extra"]
[Source "ChessBase"]
[SourceDate "2019.02.26"]
[SourceVersion "1"]
[SourceVersionDate "2019.02.26"]
[SourceQuality "1"]

1. Nf3 c5 2. d3 e6 3. g3 Nc6 4. Bg2 d5 5. 0-0 Nf6 6. c3 Be7 7. Qc2 e5 8. Nbd2 h6 9. Ne1 Be6 10. a3 Rc8 11. Qb1 a5 12. Nc2 0-0 13. Nf3 b5 14. Bd2 b4 15. Ne3 e4 16. Nh4 Qd7 17. Bh1 g5 18. Nhg2 d4 19. Nd1 exd3 20. exd3 Ne5 21. f4 dxc3 22. fxe5 cxd2 23. exf6 Qd4+ 24. Nge3 Bxf6 25. Qc2 c4 26. Qxd2 c3 27. bxc3 bxc3 28. Qc2 Bb3 29. Qxb3 c2 30. Rc1 cxd1Q 31. Qxd1 Qxe3+ 32. Kg2 Bb2 33. Rxc8 Rxc8 34. Qb3 Bg7 35. Rxf7 Kh8 36. Rf2 Rc3 37. Rf8+ Kh7 38. Qg8+ Kg6 39. Qf7+ Kh7 1/2-1/2

[Event "Lisbon Portugal op"]
[Site "Lisbon"]
[Date "2018.02.03"]
[Round "1"]
[White "Radovanovic, Mihajlo"]
[Black "Cohen, Lawrence S"]
[Result "1-0"]
[ECO "A39"]
[WhiteElo "2422"]
[BlackElo "1866"]
[PlyCount "73"]
[EventDate "2018.02.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "POR"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nf6 3. Nc3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 0-0 7. d4 cxd4 8. Nxd4 Nxd4 9. Qxd4 d6 10. Qd3 Rb8 11. Bd2 Bf5 12. e4 Be6 13. Rac1 Ng4 14. b3 a6 15. h3 Ne5 16. Qe2 Nc6 17. Rfd1 Qd7 18. Qf1 f5 19. Be3 fxe4 20. Nxe4 Qc8 21. c5 d5 22. Ng5 d4 23. Nxe6 Qxe6 24. Bxc6 Qxc6 25. Qc4+ Kh8 26. Bxd4 e5 27. Be3 Rbd8 28. Rd6 Qc8 29. Rcd1 Rde8 30. Rd7 Rd8 31. Qe6 Rxd7 32. Qxd7 Kg8 33. Qxc8 Rxc8 34. Rd7 Rb8 35. b4 h6 36. a4 g5 37. b5 1-0

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2016.03.16"]
[Round "10"]
[White "Cohen, Lawrence S"]
[Black "Haraldsson, Oskar"]
[Result "1-0"]
[ECO "A90"]
[WhiteElo "1930"]
[BlackElo "1765"]
[PlyCount "159"]
[EventDate "2016.03.08"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ISL"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. c4 f5 2. g3 e6 3. Bg2 Nf6 4. Nc3 c6 5. d4 d5 6. cxd5 exd5 7. Nf3 Bd6 8. a3 a5 9. 0-0 0-0 10. Ne5 Qe7 11. f4 Nbd7 12. h3 Ne4 13. Kh2 Ndf6 14. e3 Kh8 15. Na4 c5 16. Nb6 Ra6 17. dxc5 Bxe5 18. fxe5 Qxe5 19. Bxe4 Nxe4 20. Rf3 Nxc5 21. Qxd5 Qxd5 22. Nxd5 Nb3 23. Rb1 Rc6 24. Rf1 Rc2+ 25. Kg1 Rd8 26. e4 Rxc1 27. Rbxc1 Nxc1 28. Rxc1 fxe4 29. g4 h5 30. Ne7 Be6 31. Ng6+ Kh7 32. Nf4 Bb3 33. Nxh5 Rd1+ 34. Rxd1 Bxd1 35. Kf2 Kh6 36. Kg3 e3 37. Nf4 e2 38. Ng2 Kg5 39. Ne1 Bb3 40. h4+ Kf6 41. Kf4 g5+ 42. hxg5+ Kg6 43. Ke3 Kxg5 44. Kxe2 Kxg4 45. Ke3 Bd5 46. Kd4 Bc6 47. Nd3 Kf5 48. b3 Ke6 49. Kc5 Be4 50. Nc1 Bc6 51. Ne2 Kd7 52. Kb6 a4 53. b4 Kd6 54. Nc3 Ke5 55. Kc5 Ke6 56. b5 Bf3 57. Nxa4 Kd7 58. Kb6 Kc8 59. Ka7 Bg2 60. Nc5 Kc7 61. a4 Bf3 62. Ne6+ Kc8 63. b6 Bg2 64. a5 Bd5 65. Nd4 Kd7 66. Kb8 Bg2 67. Ne2 Bf1 68. Nd4 Bg2 69. Nb5 Bc6 70. Na7 Bf3 71. Ka8 Bg2 72. Nb5 Bf3 73. Nc3 Bc6 74. Ka7 Bf3 75. Na4 Bg2 76. Nc5+ Kc8 77. Nxb7 Bxb7 78. a6 Bxa6 79. Kxa6 Kb8 80. b7 1-0

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2016.03.15"]
[Round "9"]
[White "Danielsson, Sigurdur G"]
[Black "Cohen, Lawrence S"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1763"]
[BlackElo "1930"]
[PlyCount "83"]
[EventDate "2016.03.08"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ISL"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 e5 3. d5 Nce7 4. Bd3 d6 5. Ne2 Ng6 6. c4 Nf6 7. h4 h5 8. Ng3 c6 9. Bg5 Be7 10. Bxf6 Bxf6 11. Nxh5 Nxh4 12. g3 Ng6 13. Qf3 Bd7 14. Nc3 Qe7 15. Nxf6+ Qxf6 16. Rxh8+ Nxh8 17. Qxf6 gxf6 18. Ke2 0-0-0 19. Rh1 Rg8 20. Rh7 Be8 21. Nd1 Kd8 22. Ne3 Bd7 23. dxc6 bxc6 24. f4 exf4 25. gxf4 Ng6 26. Kf3 Ke8 27. b4 Nf8 28. Rh5 Rg1 29. Ra5 Rh1 30. f5 Nh7 31. Rxa7 Rh3+ 32. Kf2 Ng5 33. b5 Rh2+ 34. Ng2 cxb5 35. cxb5 Rh3 36. Ne3 Rh2+ 37. Kf1 Rd2 38. Ra8+ Bc8 39. Rxc8+ Kd7 40. Rc3 Rxa2 41. b6 Rb2 42. Nd5 1-0

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2016.03.14"]
[Round "8"]
[White "Adocchio, Giampiero"]
[Black "Cohen, Lawrence S"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2174"]
[BlackElo "1930"]
[PlyCount "105"]
[EventDate "2016.03.08"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ISL"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nxc6 bxc6 6. Bd3 Nf6 7. Nd2 d5 8. Qe2 Be7 9. 0-0 0-0 10. b3 Qc7 11. Bb2 Nxe4 12. Nxe4 dxe4 13. Qxe4 f5 14. Qe2 Bf6 15. Bxf6 Rxf6 16. f4 Bd7 17. Rae1 Re8 18. Qe5 Qb6+ 19. Kh1 c5 20. Bc4 Qc6 21. Rd1 Rg6 22. Rf2 Kh8 23. a4 Qc8 24. Rd6 Bc6 25. h3 Qb7 26. Rxc6 Qxc6 27. Bb5 Qc8 28. Bxe8 Qxe8 29. Qxc5 a6 30. Rd2 h5 31. Qb6 Kh7 32. Rd8 Qe7 33. Qb8 Rg3 34. Rh8+ Kg6 35. Qe8+ Qxe8 36. Rxe8 Kf7 37. Ra8 g5 38. fxg5 f4 39. Rxa6 Rxg5 40. b4 Rd5 41. b5 Rd1+ 42. Kh2 Rd2 43. b6 f3 44. Kg1 Rxg2+ 45. Kf1 Rxc2 46. a5 Rb2 47. Ra7+ Kf6 48. b7 Ke5 49. a6 Ke4 50. Ra8 Rb1+ 51. Kf2 Rb2+ 52. Kg3 Rg2+ 53. Kh4 1-0

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2016.03.13"]
[Round "7"]
[White "Cohen, Lawrence S"]
[Black "Finnsson, Johann Arnar"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "1930"]
[BlackElo "1664"]
[PlyCount "170"]
[EventDate "2016.03.08"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ISL"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. c4 g6 2. g3 Bg7 3. Bg2 e5 4. Nc3 Ne7 5. e3 c5 6. Nge2 Nbc6 7. 0-0 0-0 8. Nb5 d6 9. d4 a6 10. d5 Nb8 11. Nbc3 Nd7 12. e4 f5 13. Qd3 Nf6 14. f3 Qc7 15. Be3 Bd7 16. a4 b6 17. Qd2 Rf7 18. f4 Ng4 19. fxe5 Nxe5 20. b3 Raf8 21. Rad1 fxe4 22. Nxe4 Rxf1+ 23. Rxf1 Rxf1+ 24. Kxf1 Nf5 25. Bg5 b5 26. axb5 axb5 27. Nf6+ Bxf6 28. Bxf6 bxc4 29. Bxe5 dxe5 30. bxc4 Qd6 31. Nc3 Qf6 32. Kg1 Nd4 33. Ne4 Qa6 34. Qf2 Kg7 35. Nxc5 Qd6 36. Nxd7 Qxd7 37. c5 Qb5 38. c6 Qc5 39. Kh1 Qc1+ 40. Qf1 Qc5 41. Qg1 Qd6 42. Qb1 Qc5 43. Qb2 Kh6 44. Qf2 Kg7 45. h3 Qd6 46. Qb2 Qc5 47. Kh2 Kh6 48. Qb8 Ne2 49. Qb1 Qf2 50. Qd1 Qxg3+ 51. Kh1 Nf4 52. Qf3 Qe1+ 53. Kh2 Nxg2 54. Qxg2 Qb4 55. Qf2 Qd6 56. Qe3+ Kh5 57. Qe4 Kh6 58. h4 Kg7 59. Kg2 Kh6 60. Qe3+ Kg7 61. Qd3 Qc5 62. Kh3 Qd6 63. Qc4 Qc7 64. d6 Qxd6 65. c7 Qd7+ 66. Kg3 Qc8 67. Qc5 h5 68. Qe7+ Kh6 69. Qd8 Qg4+ 70. Kf2 Qf4+ 71. Ke2 Qc4+ 72. Kd2 Qb4+ 73. Kd3 e4+ 74. Ke3 Qe1+ 75. Kf4 Qf1+ 76. Kxe4 Qf5+ 77. Kd4 Qf2+ 78. Kd5 Qf5+ 79. Kc6 Qc2+ 80. Kd7 Qf5+ 81. Ke8 Qe6+ 82. Qe7 Qc8+ 83. Kf7 Qf5+ 84. Kg8 Qd5+ 85. Qf7 g5 1-0

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2016.03.12"]
[Round "6"]
[White "Rowan, Daniel"]
[Black "Cohen, Lawrence S"]
[Result "1/2-1/2"]
[ECO "B47"]
[WhiteElo "1801"]
[BlackElo "1930"]
[PlyCount "98"]
[EventDate "2016.03.08"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ISL"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. f4 a6 7. Nxc6 Qxc6 8. Bd3 Bc5 9. Qe2 Ne7 10. e5 d5 11. exd6 Nd5 12. Nxd5 Qxd5 13. f5 0-0 14. f6 Bxd6 15. 0-0 Qe5 16. Qxe5 Bxe5 17. fxg7 Kxg7 18. c3 b5 19. Be4 Rb8 20. Be3 Bb7 21. Bxb7 Rxb7 22. Rfd1 Rc8 23. Bd4 Bxd4+ 24. Rxd4 Rc6 25. Rad1 h6 26. a3 a5 27. Rg4+ Kh7 28. Rd8 f5 29. Rgg8 b4 30. axb4 axb4 31. Rc8 bxc3 32. bxc3 Rbc7 33. Rxc7+ Rxc7 34. Rg3 e5 35. Kf2 e4 36. Ke2 Rc5 37. Kd2 f4 38. Rg4 Rf5 39. c4 h5 40. Rh4 Kg6 41. Rh3 e3+ 42. Ke2 Ra5 43. Rf3 Ra2+ 44. Ke1 Rxg2 45. Rxf4 Rxh2 46. Rf3 Rc2 47. Rxe3 Rxc4 48. Kf2 Kg5 49. Kg2 Rg4+ 1/2-1/2

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2016.03.11"]
[Round "5"]
[White "Cohen, Lawrence S"]
[Black "Viglundsson, Bjorgvin"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "1930"]
[BlackElo "2164"]
[PlyCount "66"]
[EventDate "2016.03.08"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ISL"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. c4 e5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Ne7 5. e3 c5 6. Nge2 Nbc6 7. 0-0 d6 8. d3 0-0 9. Nd5 Nxd5 10. Bxd5 Bh3 11. Bg2 Qd7 12. Nc3 Be6 13. a3 a6 14. Rb1 Rab8 15. b4 cxb4 16. axb4 b5 17. cxb5 axb5 18. Nd5 Rfc8 19. Bd2 f5 20. f4 Qf7 21. Qb3 Kh8 22. Rbe1 e4 23. dxe4 fxe4 24. Bxe4 Ne7 25. f5 Bxd5 26. Bxd5 Qxd5 27. Qxd5 Nxd5 28. e4 Bd4+ 29. Kh1 Rc2 30. Rd1 Be3 31. Be1 Nf6 32. Rd3 Ng4 33. f6 Rxh2# 0-1

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2016.03.10"]
[Round "4"]
[White "Barthel, Ansgar"]
[Black "Cohen, Lawrence S"]
[Result "1-0"]
[ECO "B46"]
[WhiteElo "2166"]
[BlackElo "1930"]
[PlyCount "67"]
[EventDate "2016.03.08"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ISL"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Nxc6 bxc6 7. Bd3 d5 8. 0-0 Nf6 9. Qe2 Be7 10. b3 0-0 11. Na4 c5 12. c4 Bb7 13. e5 Nd7 14. f4 Qc7 15. Bd2 d4 16. Rae1 Rae8 17. Nb2 f5 18. exf6 Bxf6 19. Be4 e5 20. Nd3 exf4 21. Bxh7+ Kxh7 22. Qh5+ Kg8 23. Rxe8 Rxe8 24. Qxe8+ Nf8 25. Bxf4 Qc6 26. Qxc6 Bxc6 27. Nxc5 a5 28. Bc7 Be7 29. Nd3 a4 30. Re1 axb3 31. axb3 Bf6 32. b4 Bd7 33. Be5 Bf5 34. Nc5 1-0

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2016.03.09"]
[Round "3"]
[White "Cohen, Lawrence S"]
[Black "Ptacnikova, Lenka"]
[Result "1/2-1/2"]
[ECO "E12"]
[WhiteElo "1930"]
[BlackElo "2192"]
[PlyCount "102"]
[EventDate "2016.03.08"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ISL"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. c4 b6 2. Nc3 Bb7 3. e3 e6 4. Nf3 Nf6 5. a3 Be7 6. d4 d5 7. cxd5 exd5 8. Bd3 0-0 9. 0-0 Nbd7 10. b4 c5 11. bxc5 bxc5 12. dxc5 Nxc5 13. Be2 Rc8 14. Nb5 a6 15. Nbd4 Nfe4 16. Bd2 Nxd2 17. Nxd2 Bf6 18. Rb1 Rc7 19. Rb4 g6 20. Qb1 Qe7 21. Re1 Re8 22. N2f3 Ne4 23. Bf1 a5 24. Rb6 Nd2 25. Qb5 Nxf3+ 26. Nxf3 Rec8 27. Rd1 Bc3 28. Nd4 Ba8 29. Qa6 Bxd4 30. Rxd4 Qxa3 31. Rb5 Rc1 32. Rxa5 Qe7 33. Ra1 Bb7 34. Qa5 Qf6 35. Qa3 R1c2 36. Rf4 Qe5 37. Rd1 h5 38. Qb4 Bc6 39. Qd4 Qxd4 40. Rfxd4 Rb8 41. Bd3 Ra2 42. h4 Rbb2 43. Rf1 Rd2 44. Bb1 Rxd4 45. Bxa2 Rxh4 46. Rd1 Ra4 47. Bxd5 Bxd5 48. Rxd5 Ra2 49. g3 Kg7 50. Kg2 Kf6 51. Rd7 Ke6 1/2-1/2

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2016.03.09"]
[Round "2"]
[White "Papp, Petra"]
[Black "Cohen, Lawrence S"]
[Result "1-0"]
[ECO "B46"]
[WhiteElo "2325"]
[BlackElo "1930"]
[PlyCount "91"]
[EventDate "2016.03.08"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ISL"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Nxc6 bxc6 7. Bd3 d5 8. 0-0 Nf6 9. Qe2 Be7 10. b3 d4 11. Na4 e5 12. f4 Nd7 13. c3 dxc3 14. Nxc3 Nc5 15. Bc4 Qd4+ 16. Qe3 Nxb3 17. axb3 Bc5 18. Qf2 Qxf2+ 19. Rxf2 exf4 20. Bxf4 0-0 21. Na4 Bxf2+ 22. Kxf2 Be6 23. Nc5 Bxc4 24. bxc4 Rfe8 25. Kf3 a5 26. Bc7 f6 27. Rxa5 Rxa5 28. Bxa5 Kf7 29. Bd2 Ra8 30. Be3 Ke7 31. Nb3 Kd7 32. c5 Ra4 33. Nd4 g6 34. h4 h5 35. Ne2 Ke7 36. g3 Rc4 37. Nf4 Kf7 38. Nd3 Ke6 39. Bf4 f5 40. e5 Rc3 41. Ke2 Kd5 42. Kd2 Kd4 43. e6 Ra3 44. e7 Ra8 45. Bc7 Re8 46. Bd6 1-0

[Event "Reykjavik op"]
[Site "Reykjavik"]
[Date "2016.03.08"]
[Round "1"]
[White "Cohen, Lawrence S"]
[Black "Koop, Thorben"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "1930"]
[BlackElo "2416"]
[PlyCount "75"]
[EventDate "2016.03.08"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "ISL"]
[SourceTitle "CBM 171 Extra"]
[Source "ChessBase"]
[SourceDate "2016.04.26"]
[SourceVersion "1"]
[SourceVersionDate "2016.04.26"]
[SourceQuality "1"]

1. c4 c5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. e3 h5 6. h3 Nh6 7. Nge2 Nf5 8. d3 d6 9. a3 Rb8 10. Rb1 Bd7 11. b4 b6 12. b5 Na5 13. Qc2 Bc8 14. Bd2 Bb7 15. Ne4 e6 16. Bxa5 bxa5 17. 0-0 0-0 18. a4 Qe7 19. N4c3 Rbc8 20. e4 Nd4 21. Qd2 f5 22. f4 Qc7 23. Kh1 Kf7 24. Nc1 h4 25. g4 fxg4 26. hxg4 h3 27. Bf3 Nxf3 28. Rxf3 d5 29. N1e2 Rfd8 30. Qc2 dxc4 31. dxc4 Rd6 32. Rd1 Rcd8 33. Rxd6 Qxd6 34. f5 gxf5 35. gxf5 Qd2 36. fxe6+ Kg8 37. Qxd2 Rxd2 38. e7 1-0

[Event "Canadian op U2400"]
[Site "Montreal"]
[Date "2014.07.26"]
[Round "9"]
[White "Holliman, Robert"]
[Black "Cohen, Lawrence S"]
[Result "1/2-1/2"]
[ECO "D04"]
[WhiteElo "1976"]
[BlackElo "1922"]
[PlyCount "100"]
[EventDate "2014.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 a6 4. Bd3 c5 5. b3 cxd4 6. exd4 Bg4 7. Bb2 Nc6 8. a3 e6 9. Nbd2 Bd6 10. h3 Bh5 11. Qe2 Qc7 12. 0-0 0-0 13. Rfe1 Rae8 14. Qf1 e5 15. dxe5 Nxe5 16. Nxe5 Bxe5 17. Bxe5 Rxe5 18. f4 Rxe1 19. Rxe1 Qc5+ 20. Qf2 Qxa3 21. g4 Bxg4 22. hxg4 Nxg4 23. Qd4 Qd6 24. Kg2 Qf6 25. Qxf6 Nxf6 26. Re7 Rb8 27. Nf3 Nh5 28. f5 Nf4+ 29. Kf2 Nxd3+ 30. cxd3 f6 31. Nd4 g5 32. Ne6 a5 33. Rg7+ Kh8 34. Rf7 b5 35. Rxf6 a4 36. bxa4 b4 37. Nc5 b3 38. Nxb3 Rxb3 39. Ke3 Rb4 40. a5 Rb5 41. a6 Kg7 42. Rd6 Ra5 43. Kf3 Ra4 44. Kg3 Kf7 45. Rxd5 Rxa6 46. Kg4 h6 47. d4 Kf6 48. Rd8 Ke7 49. Rd5 Kf6 50. Rd8 Ke7 1/2-1/2

[Event "Canadian op U2400"]
[Site "Montreal"]
[Date "2014.07.25"]
[Round "8"]
[White "Cohen, Lawrence S"]
[Black "Docheshmeh, Amir Mohammad"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "1922"]
[BlackElo "1688"]
[PlyCount "137"]
[EventDate "2014.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 c5 5. e3 0-0 6. Nge2 Qc7 7. 0-0 d6 8. Nb5 Qb6 9. d4 a6 10. Nbc3 Bd7 11. b3 Bc6 12. d5 Bd7 13. e4 Qc7 14. a4 a5 15. h3 Na6 16. Be3 Nb4 17. Rc1 Qc8 18. Kh2 Ne8 19. Qd2 b6 20. f3 Nc7 21. Rf2 f5 22. Rcf1 Qb7 23. Bg5 Rf7 24. g4 Raf8 25. f4 fxg4 26. e5 Bxe5 27. fxe5 Rxf2 28. Rxf2 Rxf2 29. Bh4 Rf5 30. e6 Nxe6 31. hxg4 Re5 32. Bg3 Ng7 33. Bxe5 dxe5 34. Qg5 Be8 35. Qxe5 Qd7 36. Bh3 Qd8 37. Ne4 Na6 38. Nf4 Qc7 39. Qg5 Bf7 40. Bg2 Ne8 41. Kh3 Nd6 42. Ng3 Ne8 43. Nf5 Kf8 44. Nh6 Ng7 45. Nxf7 Kxf7 46. Nd3 Qd6 47. Ne5+ Kg8 48. Qf4 Qd8 49. Qf7+ Kh8 50. Nc6 Qe8 51. Qxe7 Nb4 52. d6 Qxe7 53. dxe7 Kg8 54. Nd8 Ne8 55. g5 Kg7 56. Kh4 h6 57. Bh3 hxg5+ 58. Kxg5 Nc2 59. Bd7 Nd6 60. e8Q Nxe8 61. Bxe8 Nd4 62. Bxg6 Nxb3 63. Ne6+ Kg8 64. Kf6 Nd2 65. Bf7+ Kh8 66. Ng5 Nb1 67. Bg6 Nc3 68. Kf7 Nxa4 69. Kf8 1-0

[Event "Canadian op U2400"]
[Site "Montreal"]
[Date "2014.07.24"]
[Round "7"]
[White "De Lagrave, Sylvain"]
[Black "Cohen, Lawrence S"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1911"]
[BlackElo "1922"]
[PlyCount "48"]
[EventDate "2014.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 d5 4. e5 Nc6 5. d4 Nge7 6. Na3 a6 7. Nc2 Ng6 8. h4 Be7 9. h5 Nf8 10. g3 Nd7 11. Bh3 Qc7 12. h6 g6 13. Bg5 Ndxe5 14. Bxe7 Nxf3+ 15. Qxf3 Qxe7 16. dxc5 Bd7 17. b4 0-0-0 18. Qe3 e5 19. Bxd7+ Rxd7 20. a4 d4 21. cxd4 Nxd4 22. Nxd4 exd4 23. Qxe7 Rxe7+ 24. Kd2 Rhe8 1/2-1/2

[Event "Canadian op U2400"]
[Site "Montreal"]
[Date "2014.07.23"]
[Round "6"]
[White "Cohen, Lawrence S"]
[Black "Abreu Cordero, Jose Leonardo"]
[Result "0-1"]
[ECO "A20"]
[WhiteElo "1922"]
[BlackElo "2069"]
[PlyCount "166"]
[EventDate "2014.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 Bc5 4. e3 Nc6 5. Ne2 d5 6. cxd5 Nxd5 7. a3 a5 8. 0-0 Be6 9. d4 exd4 10. exd4 Bb6 11. Nbc3 0-0 12. Na4 Re8 13. Re1 Qf6 14. Nxb6 cxb6 15. Nc3 Red8 16. Be3 Rac8 17. Qd2 h6 18. Rac1 Rd7 19. h3 Qd8 20. Nb5 Nf6 21. Red1 Bb3 22. Re1 Bd5 23. Qe2 Bxg2 24. Kxg2 Rd5 25. a4 Qd7 26. Red1 Qe7 27. Nc3 Rd6 28. d5 Nb4 29. Nb5 Rxc1 30. Rxc1 Rxd5 31. Qf3 Qd8 32. Nc7 Rd6 33. Qxb7 Qe7 34. Bf4 Rc6 35. Rxc6 Qe4+ 36. Kg1 Qxc6 37. Qxc6 Nxc6 38. Be3 Nd7 39. Nd5 Kf8 40. Nxb6 Nxb6 41. Bxb6 Ke7 42. Bc5+ Ke8 43. Kf1 h5 44. Ke2 Kd7 45. f4 Ke6 46. b3 Kd5 47. Bb6 Ke4 48. Be3 g6 49. Bb6 f6 50. Be3 f5 51. Bb6 h4 52. gxh4 Kxf4 53. Bc7+ Ke4 54. Kd2 f4 55. Kc3 f3 56. Kd2 Nd4 57. Ke1 Nxb3 58. Kf2 Nc5 59. Bb6 Nxa4 60. Bxa5 Nc5 61. Bb6 Nd3+ 62. Kf1 Nf4 63. Kf2 Nxh3+ 64. Kg3 Nf4 65. Kf2 Ng2 66. Kg3 Ne3 67. Bc5 Nf5+ 68. Kg4 Ng7 69. Bb6 Ne6 70. Ba7 Ng7 71. Kg3 Nf5+ 72. Kg4 Ne3+ 73. Kg3 Nc4 74. Bc5 Ne5 75. Bg1 Nc4 76. Bc5 Nd2 77. Kf2 Nb3 78. Be3 Na1 79. Bh6 Nc2 80. Bc1 Nb4 81. Bh6 Nd3+ 82. Kg3 Ne5 83. Bf4 f2 0-1

[Event "Canadian op U2400"]
[Site "Montreal"]
[Date "2014.07.22"]
[Round "5"]
[White "De Barberis, Massimo"]
[Black "Cohen, Lawrence S"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "2070"]
[BlackElo "1922"]
[PlyCount "61"]
[EventDate "2014.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 d5 4. e5 Nc6 5. d4 Nge7 6. a3 a5 7. Bd3 b6 8. 0-0 Ba6 9. Be3 Bxd3 10. Qxd3 c4 11. Qc2 a4 12. Nbd2 Nf5 13. Bg5 Be7 14. Bxe7 Qxe7 15. Rfe1 h5 16. Nf1 g5 17. Ne3 g4 18. Nxf5 exf5 19. Qxf5 gxf3 20. e6 f6 21. Qxd5 Rc8 22. Qxf3 h4 23. Rad1 h3 24. g3 Qg7 25. Qe4 Rh5 26. f4 Rh4 27. d5 Ne5 28. d6 Rc6 29. Qd5 Ng4 30. Qxc6+ Kd8 31. Qa8# 1-0

[Event "Canadian op U2400"]
[Site "Montreal"]
[Date "2014.07.21"]
[Round "4"]
[White "Cohen, Lawrence S"]
[Black "Doubleday, William G"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "1922"]
[BlackElo "2059"]
[PlyCount "92"]
[EventDate "2014.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 c6 3. Bg2 d5 4. cxd5 cxd5 5. d4 Nc6 6. Nc3 e6 7. e3 Be7 8. Nge2 0-0 9. 0-0 b6 10. Bd2 Na5 11. b3 Ba6 12. Re1 Rc8 13. e4 dxe4 14. Nxe4 Nc6 15. Nxf6+ Bxf6 16. Bxc6 Rxc6 17. Bb4 Re8 18. Rc1 Bb7 19. Bc3 Qd7 20. Qd3 Rec8 21. f3 R6c7 22. Kf2 e5 23. Bb2 h5 24. Rxc7 Rxc7 25. Rd1 exd4 26. Bxd4 Be7 27. Qe3 Rc2 28. Rd2 Rxd2 29. Qxd2 h4 30. g4 Qd6 31. Kg2 h3+ 32. Kxh3 Bxf3 33. Ng1 Bb7 34. Qe3 Bf8 35. Be5 Qc6 36. Ne2 Qc2 37. Nc3 Qg2+ 38. Kh4 Be7+ 39. g5 Bc5 40. Qh3 Qc2 41. Qd7 Qg2 42. Bg3 Qf3 43. Qe8+ Kh7 44. Qe5 g6 45. Be1 Bc8 46. Bg3 Qh5# 0-1

[Event "Canadian op U2400"]
[Site "Montreal"]
[Date "2014.07.20"]
[Round "2"]
[White "Cohen, Lawrence S"]
[Black "Nikulich, Oleksandr"]
[Result "1-0"]
[ECO "A87"]
[WhiteElo "1922"]
[BlackElo "2008"]
[PlyCount "81"]
[EventDate "2014.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 f5 2. g3 Nf6 3. Bg2 g6 4. Nc3 Bg7 5. Nf3 0-0 6. 0-0 d6 7. d4 Qe8 8. d5 e5 9. dxe6 Bxe6 10. Nd5 Nxd5 11. cxd5 Bf7 12. Ng5 Qe7 13. e4 h6 14. Nxf7 Qxf7 15. exf5 Qxf5 16. Be3 Kh7 17. Rc1 Rf7 18. Rc4 b6 19. Rf4 Qd7 20. Rh4 Qe7 21. Qd2 Qf8 22. Qc2 Na6 23. Be4 Rf6 24. Bg5 Nc5 25. Bxf6 Qxf6 26. Rf4 Qg5 27. h4 Qh5 28. Bf3 Qe5 29. h5 Qg5 30. b4 Nd7 31. Qxc7 Ne5 32. hxg6+ Nxg6 33. Rg4 Qe7 34. Qc6 Rf8 35. Be4 Rf6 36. Qc2 Qf7 37. Re1 h5 38. Rxg6 Rxg6 39. Bxg6+ Qxg6 40. Qxg6+ Kxg6 41. Re6+ 1-0

[Event "Canadian op U2400"]
[Site "Montreal"]
[Date "2014.07.20"]
[Round "3"]
[White "Robichaud, Louis"]
[Black "Cohen, Lawrence S"]
[Result "1/2-1/2"]
[ECO "B24"]
[WhiteElo "2075"]
[BlackElo "1922"]
[PlyCount "78"]
[EventDate "2014.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. d3 Nc6 3. g3 Nf6 4. Bg2 e6 5. f4 d6 6. Nc3 Be7 7. Nf3 e5 8. 0-0 Bg4 9. h3 Bxf3 10. Qxf3 0-0 11. g4 Nd4 12. Qd1 Nd7 13. Nd5 Bh4 14. c3 Nc6 15. g5 exf4 16. Bxf4 Nde5 17. Qh5 Ng6 18. Be3 f6 19. gxf6 Bxf6 20. Nxf6+ Rxf6 21. Qd5+ Kh8 22. Bg5 Rxf1+ 23. Rxf1 Nge7 24. Bxe7 Nxe7 25. Qxb7 Rb8 26. Qxa7 Nc6 27. Qf7 Ne5 28. Qd5 Rxb2 29. d4 Rd2 30. Qb7 Ng6 31. Rf7 cxd4 32. cxd4 h5 33. e5 dxe5 34. d5 Qg5 35. Rf2 Qe3 36. Qc8+ Kh7 37. Qf5 Qe1+ 38. Rf1 Qe3+ 39. Rf2 Qe1+ 1/2-1/2

[Event "Canadian op U2400"]
[Site "Montreal"]
[Date "2014.07.19"]
[Round "1"]
[White "Libersan, Thierry"]
[Black "Cohen, Lawrence S"]
[Result "1-0"]
[ECO "B47"]
[WhiteElo "2090"]
[BlackElo "1922"]
[PlyCount "79"]
[EventDate "2014.07.19"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. g3 a6 7. Bg2 Nge7 8. Nde2 b5 9. a3 Bb7 10. 0-0 Na5 11. b3 Rd8 12. Bf4 e5 13. Be3 f5 14. f4 d5 15. exd5 e4 16. Qe1 Nxd5 17. Nxd5 Bxd5 18. Qf2 Nb7 19. b4 Qf7 20. Rfd1 Be7 21. Bb6 Rd7 22. Rd2 0-0 23. Rad1 Bf6 24. Nd4 g6 25. Bf1 Rc8 26. a4 Rd6 27. axb5 Rc3 28. Nc6 axb5 29. Ne5 Qe6 30. Bd4 e3 31. Bxe3 Rd8 32. Bd4 Bxe5 33. Bxe5 Rcc8 34. Bxb5 Be4 35. Rxd8+ Rxd8 36. Rxd8+ Nxd8 37. Qa7 Bb7 38. Qd4 Nf7 39. Bc4 Qc6 40. Qd8+ 1-0

[Event "New York State-ch 135th"]
[Site "Albany"]
[Date "2013.09.02"]
[Round "5"]
[White "Cohen, Lawrence S"]
[Black "Henner, Peter W"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "1948"]
[BlackElo "1831"]
[PlyCount "88"]
[EventDate "2013.08.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nc6 5. e3 d6 6. Nge2 e5 7. 0-0 Bf5 8. d3 Qd7 9. Nd5 Nge7 10. Nec3 Nxd5 11. Nxd5 Ne7 12. Nxe7 Kxe7 13. Bd5 Bh3 14. Re1 h5 15. Qf3 f5 16. Bxb7 e4 17. Bxe4 fxe4 18. Qxe4+ Qe6 19. Qxe6+ Kxe6 20. d4 Rab8 21. b3 cxd4 22. exd4+ Kf7 23. Be3 Rbe8 24. Rac1 Bf5 25. h4 Be4 26. b4 Bf3 27. c5 dxc5 28. bxc5 Re4 29. d5 Ra4 30. d6 Bc6 31. Rcd1 Rd8 32. Bg5 Rd7 33. Rd3 Rxa2 34. Rde3 Ra1 35. Rxa1 Bxa1 36. Ra3 Bd4 37. Ra6 Bf3 38. Be3 Rb7 39. Bc1 Bxc5 40. g4 Rb1 41. d7 Rxc1+ 42. Kh2 Rd1 43. g5 Bd6+ 44. Kh3 Rh1# 0-1

[Event "New York State-ch 135th"]
[Site "Albany"]
[Date "2013.09.01"]
[Round "3"]
[White "Sheppard, Dore A"]
[Black "Cohen, Lawrence S"]
[Result "1/2-1/2"]
[ECO "A06"]
[WhiteElo "2064"]
[BlackElo "1948"]
[PlyCount "98"]
[EventDate "2013.08.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. Nf3 c5 2. b3 d5 3. e3 Nf6 4. Bb2 Nc6 5. Bb5 Bd7 6. 0-0 a6 7. Bxc6 Bxc6 8. Ne5 Rc8 9. d3 g6 10. Qe2 Bg7 11. Nxc6 Rxc6 12. Nd2 0-0 13. e4 dxe4 14. dxe4 b5 15. c4 b4 16. e5 Ng4 17. f4 Qc8 18. h3 Nh6 19. g4 f6 20. Rae1 f5 21. g5 Nf7 22. Rd1 Nd8 23. Rf3 Nb7 24. Rd3 e6 25. Nf3 Rf7 26. h4 Bf8 27. h5 Rg7 28. Ne1 Qe8 29. Rh3 Rcc7 30. a3 a5 31. Ra1 gxh5 32. Rxh5 Qc6 33. Kf2 Rgd7 34. Nc2 Qe4 35. Bc1 Rd3 36. Be3 Rcd7 37. Rhh1 Qc6 38. Rhb1 Rd8 39. Ne1 R3d7 40. Nf3 Rd3 41. Ne1 Rc3 42. a4 Qe4 43. Rb2 Rd7 44. Rc1 Rxc1 45. Bxc1 Qh1 46. Qf3 Qxf3+ 47. Nxf3 Rd1 48. Be3 Nd8 49. Rd2 Rxd2+ 1/2-1/2

[Event "New York State-ch 135th"]
[Site "Albany"]
[Date "2013.09.01"]
[Round "4"]
[White "Slomski, Matt"]
[Black "Cohen, Lawrence S"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "2023"]
[BlackElo "1948"]
[PlyCount "47"]
[EventDate "2013.08.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc6 6. 0-0 e5 7. d3 Be7 8. Nc3 Nc7 9. Nd2 Bd7 10. Nc4 f6 11. a4 Rb8 12. f4 0-0 13. Be3 Rc8 14. fxe5 Nxe5 15. Nxe5 fxe5 16. Qb3+ Be6 17. Qxb7 Rb8 18. Qxa7 Rxb2 19. Bxc5 Bd6 20. Rxf8+ Qxf8 21. Ne4 Bxc5+ 22. Qxc5 Qb8 23. Qxe5 Rxe2 24. Nf6+ 1-0

[Event "New York State-ch 135th"]
[Site "Albany"]
[Date "2013.08.31"]
[Round "1"]
[White "Carter, David"]
[Black "Cohen, Lawrence S"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2104"]
[BlackElo "1948"]
[PlyCount "51"]
[EventDate "2013.08.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 Nbd7 7. Bd3 h6 8. Bh4 c6 9. Qc2 g5 10. Bg3 Nh5 11. Nge2 Nxg3 12. Nxg3 Nb6 13. 0-0 Be6 14. Rad1 Nc8 15. f4 Bg4 16. Rde1 Nd6 17. f5 h5 18. h3 h4 19. hxg4 hxg3 20. Rf3 Qb8 21. f6 Bxf6 22. Rxf6 Ke7 23. Rf3 Rh1+ 24. Kxh1 Qh8+ 25. Bh7 Rg8 26. Rxg3 1-0

[Event "New York State-ch 135th"]
[Site "Albany"]
[Date "2013.08.31"]
[Round "2"]
[White "Cohen, Lawrence S"]
[Black "Abe, Mahiro"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "1948"]
[BlackElo "1982"]
[PlyCount "76"]
[EventDate "2013.08.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. e3 d6 6. Nge2 e5 7. 0-0 c6 8. d4 Nbd7 9. b3 Re8 10. Ba3 exd4 11. exd4 Nb6 12. Qd2 d5 13. c5 Nbd7 14. Rad1 Nf8 15. b4 Bf5 16. f3 h5 17. Bc1 Qd7 18. Nf4 Ne6 19. Nce2 Nh7 20. h3 Nxf4 21. Nxf4 Qc7 22. g4 hxg4 23. hxg4 Bd7 24. Qf2 Re7 25. Rfe1 Rae8 26. Rxe7 Rxe7 27. a4 Nf8 28. Qh4 Qd8 29. Kh2 f6 30. Qf2 Qe8 31. Bf1 f5 32. g5 Kf7 33. Kg1 Ne6 34. Nxe6 Rxe6 35. Bf4 a6 36. Kg2 Qd8 37. Bd3 Re8 38. Rh1 Rh8 1/2-1/2

[Event "Victoria Grand Pacific op 7th"]
[Site "Victoria"]
[Date "2013.03.31"]
[Round "5"]
[White "Wu, Howard"]
[Black "Cohen, Lawrence S"]
[Result "1-0"]
[ECO "C66"]
[WhiteElo "2162"]
[BlackElo "1959"]
[PlyCount "121"]
[EventDate "2013.03.29"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 e5 3. Bb5 d6 4. 0-0 Bd7 5. c3 Nf6 6. Re1 Be7 7. d4 0-0 8. Nbd2 a6 9. Bd3 b5 10. Nf1 Bg4 11. d5 Na7 12. h3 Bd7 13. Ng3 c5 14. Be3 Nc8 15. Bc2 Re8 16. Nh2 Nb6 17. b3 Qc7 18. Qf3 a5 19. Ng4 a4 20. Nxf6+ Bxf6 21. Nh5 Qd8 22. Bh6 Kh8 23. Bd3 Rg8 24. b4 c4 25. Be2 Be8 26. Be3 Be7 27. g4 g6 28. Ng3 Nd7 29. Kh2 Bg5 30. Rg1 Qf6 31. Qxf6+ Bxf6 32. g5 Bd8 33. Bg4 Rb8 34. Raf1 Rb7 35. Kg2 Bb6 36. Bxd7 Bxd7 37. Bxb6 Rxb6 38. f4 Kg7 39. Rf2 Rf8 40. Rgf1 f6 41. fxe5 dxe5 42. h4 h5 43. gxh6+ Kxh6 44. h5 Rd6 45. hxg6 Kxg6 46. Nf5 Bxf5 47. Rxf5 Rh8 48. R1f3 Rh5 49. Rg3+ Kh6 50. Rxh5+ Kxh5 51. Rg8 Rb6 52. Kf3 Kh6 53. Kg4 Kh7 54. Rc8 Kg6 55. Rc5 Rb7 56. d6 Rd7 57. Rd5 Rd8 58. d7 f5+ 59. exf5+ Kf6 60. Kf3 Kxf5 61. Ke3 1-0

[Event "Victoria Grand Pacific op 7th"]
[Site "Victoria"]
[Date "2013.03.30"]
[Round "2"]
[White "Cohen, Lawrence S"]
[Black "Davies, Lucas"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "1959"]
[BlackElo "2184"]
[PlyCount "88"]
[EventDate "2013.03.29"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 153 Extra"]
[Source "ChessBase"]
[SourceDate "2013.04.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.04.22"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. e3 d6 6. Nge2 Be6 7. d3 Qd7 8. h3 Nge7 9. Nd5 0-0 10. Nec3 Nd8 11. Nxe7+ Qxe7 12. 0-0 c6 13. Kh2 f5 14. Rg1 Nf7 15. f4 Rad8 16. Qa4 a6 17. Qb4 Kh8 18. Bd2 Rd7 19. Rae1 g5 20. Rgf1 Rg8 21. e4 gxf4 22. gxf4 Qh4 23. Re2 Bh6 24. fxe5 Qg3+ 25. Kh1 fxe4 26. Nxe4 Qxd3 27. Bxh6 Qxe2 28. Rf2 Qd1+ 29. Rf1 Qd3 30. Qc3 Qxc3 31. bxc3 Nxh6 32. Nf6 dxe5 33. Nxd7 Bxd7 34. a4 Nf5 35. Rb1 Bc8 36. Re1 Re8 37. c5 Kg7 38. Kh2 Kf6 39. Be4 Rd8 40. Re2 Kg5 41. Rf2 h5 42. Bc2 Be6 43. Bb1 Ne3 44. c4 Rd2 0-1

[Event "Gibraltar Challengers-A 10th"]
[Site "Caleta"]
[Date "2012.01.27"]
[Round "5"]
[White "Gravett, Alan David"]
[Black "Cohen, Lawrence S"]
[Result "0-1"]
[ECO "A09"]
[WhiteElo "1931"]
[BlackElo "1971"]
[PlyCount "92"]
[EventDate "2012.01.23"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GGB"]
[SourceTitle "CBM 146 Extra"]
[Source "ChessBase"]
[SourceDate "2012.02.29"]
[SourceVersion "1"]
[SourceVersionDate "2012.02.29"]
[SourceQuality "1"]

1. g3 d5 2. Nf3 c5 3. c4 d4 4. d3 Nc6 5. Bg2 e5 6. 0-0 Nf6 7. Na3 Be7 8. Nc2 0-0 9. a3 a5 10. b3 h6 11. h3 Qc7 12. Rb1 Rb8 13. e3 b5 14. exd4 cxd4 15. cxb5 Rxb5 16. Re1 Be6 17. b4 axb4 18. axb4 Bf5 19. Ncxd4 exd4 20. Nh4 Be6 21. Qa4 Rxb4 22. Bf4 Rxa4 23. Bxc7 Nb4 24. Bb6 Nfd5 25. Bxd4 Nc2 26. Bxd5 Nxe1 27. Bxe6 Bxh4 28. Bc5 fxe6 29. Bxf8 Nf3+ 30. Kg2 Kxf8 31. Kxf3 Be7 32. Rc1 Kf7 33. Rc4 Ra5 34. Rf4+ Bf6 35. Ke4 Ke7 36. Kf3 Rd5 37. Ke2 Bd4 38. Re4 Kd6 39. Rg4 h5 40. Re4 Re5 41. Kf3 Rf5+ 42. Rf4 Rxf4+ 43. gxf4 Kd5 44. Kg3 Bf6 45. Kf3 Kd4 46. Ke2 Bh4 0-1

[Event "Gibraltar Challengers-A 10th"]
[Site "Caleta"]
[Date "2012.01.26"]
[Round "4"]
[White "Cohen, Lawrence S"]
[Black "Hansen, Henrik Damgaard"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "1971"]
[BlackElo "1859"]
[PlyCount "79"]
[EventDate "2012.01.23"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GGB"]
[SourceTitle "CBM 146 Extra"]
[Source "ChessBase"]
[SourceDate "2012.02.29"]
[SourceVersion "1"]
[SourceVersionDate "2012.02.29"]
[SourceQuality "1"]

1. c4 g6 2. g3 Bg7 3. Bg2 e5 4. Nc3 Ne7 5. e3 c5 6. Nge2 0-0 7. 0-0 Nbc6 8. d3 d6 9. a3 a5 10. Nb5 Be6 11. Rb1 f5 12. b3 Qd7 13. d4 cxd4 14. exd4 d5 15. dxe5 Bxe5 16. Nf4 dxc4 17. Qxd7 Bxd7 18. bxc4 Nd8 19. Re1 Bf6 20. Nd5 Nxd5 21. Bxd5+ Kg7 22. Bf4 Bc6 23. Nc7 Rc8 24. Be6 Nxe6 25. Nxe6+ Kf7 26. Nxf8 Rxf8 27. Bd6 Rd8 28. c5 Rd7 29. Rb3 Bd5 30. Rbe3 Be4 31. Rxe4 fxe4 32. Rxe4 b5 33. Re3 b4 34. axb4 axb4 35. Kf1 Bd4 36. Rd3 Be5 37. Rf3+ Ke6 38. Re3 Rxd6 39. cxd6 Kxd6 40. Ke1 1-0

[Event "Gibraltar Challengers-A 10th"]
[Site "Caleta"]
[Date "2012.01.25"]
[Round "3"]
[White "Chamberlain, Mark"]
[Black "Cohen, Lawrence S"]
[Result "1-0"]
[ECO "E91"]
[BlackElo "1971"]
[PlyCount "71"]
[EventDate "2012.01.23"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GGB"]
[SourceTitle "CBM 146 Extra"]
[Source "ChessBase"]
[SourceDate "2012.02.29"]
[SourceVersion "1"]
[SourceVersionDate "2012.02.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. e4 0-0 6. Be2 c6 7. 0-0 Na6 8. Ne1 e5 9. Be3 b6 10. d5 cxd5 11. cxd5 Nc5 12. f3 Ba6 13. b4 Bxe2 14. Qxe2 Ncd7 15. Nd3 Ne8 16. Rac1 f5 17. Rc2 f4 18. Bf2 g5 19. Rfc1 a6 20. b5 axb5 21. Nb4 Nc5 22. Nc6 Qc7 23. Qxb5 h5 24. Rb1 Qd7 25. Qxb6 Nd3 26. Qb7 Qxb7 27. Rxb7 Nxf2 28. Kxf2 Rf7 29. Rxf7 Kxf7 30. a4 Bf8 31. Rb2 Ra6 32. Rb7+ Kg8 33. a5 g4 34. Nb5 g3+ 35. Kg1 gxh2+ 36. Kxh2 1-0

[Event "Gibraltar Challengers-A 10th"]
[Site "Caleta"]
[Date "2012.01.24"]
[Round "2"]
[White "Cohen, Lawrence S"]
[Black "Riiser, Samuel"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "1971"]
[BlackElo "1827"]
[PlyCount "70"]
[EventDate "2012.01.23"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GGB"]
[SourceTitle "CBM 146 Extra"]
[Source "ChessBase"]
[SourceDate "2012.02.29"]
[SourceVersion "1"]
[SourceVersionDate "2012.02.29"]
[SourceQuality "1"]

1. c4 e5 2. g3 g6 3. Nc3 Nc6 4. Bg2 Bg7 5. e3 Nge7 6. Nge2 0-0 7. 0-0 f5 8. d4 d6 9. d5 Nb8 10. Bd2 Bd7 11. Rc1 Na6 12. Be1 g5 13. f3 Ng6 14. a3 f4 15. e4 h5 16. gxf4 gxf4 17. Kh1 Kh7 18. Bf2 Bf6 19. b4 Qc8 20. Ng1 Nh4 21. Bxh4 Bxh4 22. Rc2 b6 23. Qe2 Rg8 24. Ra1 Be7 25. Raa2 h4 26. Qf1 Rg6 27. h3 Nb8 28. b5 a6 29. a4 Be8 30. Nd1 Nd7 31. Nf2 Nf6 32. Ng4 Nh5 33. Kh2 Ng3 34. Qd3 Bd7 35. Rf2 a5 1/2-1/2

[Event "Gibraltar Challengers-A 10th"]
[Site "Caleta"]
[Date "2012.01.23"]
[Round "1"]
[White "Diaz Velandia, Jose Manuel"]
[Black "Cohen, Lawrence S"]
[Result "1-0"]
[ECO "D90"]
[WhiteElo "2136"]
[BlackElo "1971"]
[PlyCount "71"]
[EventDate "2012.01.23"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "GGB"]
[SourceTitle "CBM 146 Extra"]
[Source "ChessBase"]
[SourceDate "2012.02.29"]
[SourceVersion "1"]
[SourceVersionDate "2012.02.29"]
[SourceQuality "1"]

1. d4 c5 2. c3 cxd4 3. cxd4 d5 4. Nf3 Nf6 5. Nc3 g6 6. Bf4 Bg7 7. h3 0-0 8. e3 Nc6 9. Bd3 a6 10. 0-0 Re8 11. Ne5 Nd7 12. Nxd7 Qxd7 13. Na4 Qd8 14. Qb3 b5 15. Nc3 e6 16. a4 Na5 17. Qc2 b4 18. Ne2 e5 19. dxe5 Bxe5 20. Bxe5 Rxe5 21. Nd4 Bd7 22. Qc5 b3 23. Qd6 Rg5 24. g4 Nc4 25. Bxc4 dxc4 26. Nf3 Ra5 27. Rfd1 Ra7 28. Ne5 Rxe5 29. Qxe5 Qc7 30. Qf6 c3 31. bxc3 b2 32. Rab1 Rb7 33. Rd2 a5 34. Rdxb2 Rxb2 35. Rxb2 Bxa4 36. Rd2 1-0

[Event "Canadian op 48th"]
[Site "Toronto"]
[Date "2011.07.17"]
[Round "9"]
[White "Wu, Kevin"]
[Black "Cohen, Lawrence S"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "2105"]
[BlackElo "1993"]
[PlyCount "41"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. f4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Na3 a6 7. Nc2 b5 8. Be2 g6 9. 0-0 Nge7 10. d4 c4 11. g4 h5 12. h3 Qb6 13. Qe1 Bg7 14. Ng5 hxg4 15. hxg4 a5 16. Qg3 a4 17. a3 Bh6 18. Qh4 Bg7 19. Qg3 Bh6 20. Qh4 Bg7 21. Qg3 1/2-1/2

[Event "Canadian op 48th"]
[Site "Toronto"]
[Date "2011.07.16"]
[Round "8"]
[White "Cohen, Lawrence S"]
[Black "Patterson, Roger"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "1993"]
[BlackElo "2134"]
[PlyCount "44"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 c5 3. Nc3 d5 4. cxd5 Nxd5 5. Bg2 Nc7 6. d3 e5 7. f4 exf4 8. Bxf4 Be7 9. Nf3 Nc6 10. Ne5 Nxe5 11. Bxe5 0-0 12. 0-0 Bd6 13. Bxd6 Qxd6 14. Qa4 Ne6 15. Rae1 Bd7 16. Qd1 Bc6 17. Bxc6 Qxc6 18. Rf5 Rad8 19. b3 Nd4 20. Rf2 f5 21. Ref1 g6 22. e4 fxe4 1/2-1/2

[Event "Canadian op 48th"]
[Site "Toronto"]
[Date "2011.07.15"]
[Round "7"]
[White "Grecu, Veaceslav"]
[Black "Cohen, Lawrence S"]
[Result "0-1"]
[ECO "C62"]
[WhiteElo "1846"]
[BlackElo "1993"]
[PlyCount "64"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 e5 3. Bb5 d6 4. h3 Bd7 5. c3 Nf6 6. d3 a6 7. Ba4 Be7 8. 0-0 h6 9. Nbd2 0-0 10. Re1 Nb8 11. Bc2 c5 12. Nf1 Nc6 13. Ne3 Rc8 14. d4 cxd4 15. cxd4 Qc7 16. Bb1 Rfe8 17. Nd5 Nxd5 18. exd5 Nxd4 19. Nxd4 exd4 20. Qd3 f5 21. Qxd4 Qxc1 22. Rxc1 Rxc1+ 23. Kh2 Bf6 24. Qd2 Ree1 25. Bxf5 Rxa1 26. Bxd7 Be5+ 27. f4 Rad1 28. Qb4 Rh1+ 29. Kg3 Rd4 30. Qxb7 Rxf4 31. Qa7 h5 32. h4 Rf8# 0-1

[Event "Canadian op 48th"]
[Site "Toronto"]
[Date "2011.07.14"]
[Round "6"]
[White "Cohen, Lawrence S"]
[Black "Kalaydina, Regina Veronicka"]
[Result "1/2-1/2"]
[ECO "A34"]
[WhiteElo "1993"]
[BlackElo "1890"]
[PlyCount "66"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc7 6. Nf3 Nc6 7. 0-0 e5 8. d3 Be7 9. b3 0-0 10. Bb2 Be6 11. Rc1 f6 12. Nd2 Qd7 13. Na4 Na6 14. Ne4 b6 15. a3 Rac8 16. Nd2 Nd4 17. Nc3 Nb8 18. Re1 Nbc6 19. e3 Nf5 20. Bf1 Rfd8 21. Nce4 Nd6 22. Nxd6 Bxd6 23. Nc4 Bf8 24. Bc3 Qf7 25. Qc2 b5 26. Nd2 Nb4 27. Qb1 Nc6 28. Red1 Bg4 29. f3 Bf5 30. Be2 a6 31. Kg2 c4 32. bxc4 Bxa3 33. Bb2 Bxb2 1/2-1/2

[Event "Canadian op 48th"]
[Site "Toronto"]
[Date "2011.07.13"]
[Round "5"]
[White "Austria, Federico"]
[Black "Cohen, Lawrence S"]
[Result "1-0"]
[ECO "D04"]
[WhiteElo "2105"]
[BlackElo "1993"]
[PlyCount "69"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 d5 3. e3 g6 4. Bd3 Bg7 5. 0-0 0-0 6. Ne5 Nbd7 7. f4 c6 8. Nd2 Nxe5 9. fxe5 Ng4 10. Nf3 f6 11. h3 fxe5 12. e4 dxe4 13. Bc4+ Kh8 14. Ng5 Nh6 15. Be3 exd4 16. Rxf8+ Qxf8 17. Bxd4 e5 18. Be3 Bf5 19. g4 b5 20. Bb3 Rd8 21. Qe2 Bc8 22. Rf1 Qd6 23. Nxe4 Qc7 24. Bc5 Re8 25. Nd6 Bd7 26. Nxe8 Bxe8 27. Qe3 Nf7 28. Kg2 Nd6 29. Qd3 Nb7 30. Bf8 c5 31. Bxg7+ Kxg7 32. Bd5 Bc6 33. Qf3 Bxd5 34. Qxd5 Qe7 35. Re1 1-0

[Event "Canadian op 48th"]
[Site "Toronto"]
[Date "2011.07.12"]
[Round "4"]
[White "Cohen, Lawrence S"]
[Black "Ivanov, Mike"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "2001"]
[BlackElo "1934"]
[PlyCount "84"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. c4 g6 2. g3 Bg7 3. Bg2 Nc6 4. Nc3 e5 5. e3 Nge7 6. Nge2 0-0 7. 0-0 d6 8. d4 f5 9. d5 Nb8 10. e4 Nd7 11. Be3 Nf6 12. Qd2 Ng4 13. Bg5 h6 14. h3 hxg5 15. hxg4 f4 16. f3 Bd7 17. b4 a5 18. b5 Qb8 19. Na4 Qa7+ 20. Kh2 Kf7 21. Bh3 Rh8 22. Kg2 Ng8 23. Nec3 b6 24. Rh1 Nf6 25. Rh2 Rh6 26. Rah1 Rah8 27. Nd1 Qa8 28. Nf2 Qd8 29. Nc3 Bc8 30. a4 Nd7 31. Nd3 Qf6 32. Qf2 R8h7 33. Kg1 Bf8 34. Ne2 Qh8 35. Bf1 fxg3 36. Qxg3 Rh4 37. Nc3 Nf6 38. Be2 Nd7 39. Nd1 Qf6 40. Ne3 Nc5 41. Nxc5 dxc5 42. Ng2 Rxh2 1/2-1/2

[Event "Canadian op 48th"]
[Site "Toronto"]
[Date "2011.07.11"]
[Round "3"]
[White "Assenov, Alexandre"]
[Black "Cohen, Lawrence S"]
[Result "0-1"]
[ECO "B14"]
[BlackElo "1993"]
[PlyCount "24"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 c5 2. e3 cxd4 3. exd4 d5 4. Nf3 Nf6 5. c4 e6 6. Nc3 Be7 7. Bd3 0-0 8. Qc2 Nc6 9. a3 dxc4 10. Bxc4 Nxd4 11. Nxd4 Qxd4 12. Bd3 Rd8 0-1

[Event "Canadian op 48th"]
[Site "Toronto"]
[Date "2011.07.10"]
[Round "2"]
[White "Cohen, Lawrence S"]
[Black "Loadman, Ian"]
[Result "0-1"]
[ECO "A20"]
[WhiteElo "1993"]
[BlackElo "2218"]
[PlyCount "100"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. e3 d5 5. cxd5 cxd5 6. d4 e4 7. Nc3 Be7 8. f3 exf3 9. Nxf3 0-0 10. 0-0 Nc6 11. Ne5 Be6 12. Nd3 Qd7 13. Nf4 Rfd8 14. Nxe6 Qxe6 15. Bd2 Rac8 16. Qf3 Bb4 17. Qf5 Qxf5 18. Rxf5 Bxc3 19. Bxc3 b5 20. a3 a5 21. Bd2 a4 22. Bc3 Ne7 23. Rff1 Rb8 24. h3 Nc8 25. Bb4 Re8 26. Rfe1 Nb6 27. Bf1 Nc4 28. Bxc4 bxc4 29. Re2 Rb6 30. Rf1 Rbe6 31. Rf3 Ne4 32. Kg2 g6 33. Rf1 Kg7 34. g4 Rh8 35. h4 f6 36. h5 Rhe8 37. Rf4 Rc8 38. Rc2 Ng5 39. Bd2 Rb8 40. hxg6 hxg6 41. Rf2 Rh8 42. Bc1 Rh4 43. Rf4 Ne4 44. Re2 Re8 45. g5 fxg5 46. Rxh4 gxh4 47. Kh3 g5 48. Kg4 Kg6 49. Rg2 Rf8 50. Rg1 Nf2# 0-1

[Event "Canadian op 48th"]
[Site "Toronto"]
[Date "2011.07.09"]
[Round "1"]
[White "Hambleton, Aman"]
[Black "Cohen, Lawrence S"]
[Result "1-0"]
[ECO "A44"]
[WhiteElo "2206"]
[BlackElo "2001"]
[PlyCount "91"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 c5 2. d5 e5 3. Nc3 d6 4. e4 Nf6 5. Be2 a6 6. a4 b6 7. Nf3 Be7 8. 0-0 0-0 9. Qd3 Nbd7 10. Nd2 Ne8 11. Nc4 Rb8 12. f4 Bf6 13. Qg3 Bh4 14. Qf3 Bf6 15. g3 Be7 16. Bd2 Qc7 17. Qg2 f6 18. Bg4 b5 19. axb5 axb5 20. Na5 b4 21. Nc6 bxc3 22. Nxe7+ Kh8 23. Bxc3 Nb6 24. Nxc8 Nxc8 25. fxe5 dxe5 26. Ra6 Nb6 27. Be2 Qd6 28. Rfa1 Nc7 29. R6a5 Ra8 30. Rxa8 Ncxa8 31. Ra7 Rb8 32. Qf1 Nc7 33. Qa1 f5 34. b3 Re8 35. Ba5 fxe4 36. c4 Rb8 37. Bc3 Nd7 38. Qa4 Qh6 39. Qxd7 Qe3+ 40. Kh1 Qxe2 41. Qf5 Qd1+ 42. Kg2 Qc2+ 43. Kh3 Qxc3 44. Rxc7 Qe3 45. Qc8+ Rxc8 46. Rxc8# 1-0

[Event "Victoria Grand Pacific op 5th"]
[Site "Victoria"]
[Date "2011.04.24"]
[Round "5"]
[White "Cohen, Lawrence S"]
[Black "Patterson, Roger"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "2019"]
[BlackElo "2155"]
[PlyCount "82"]
[EventDate "2011.04.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. c4 f5 2. g3 Nf6 3. Bg2 e5 4. e3 d6 5. Nc3 g6 6. Nge2 Bg7 7. 0-0 0-0 8. d4 c6 9. d5 c5 10. Rb1 Nbd7 11. b4 cxb4 12. Rxb4 Nc5 13. Bd2 Bd7 14. e4 b6 15. f4 Nfxe4 16. fxe5 Nxd2 17. Qxd2 Bxe5 18. Rfb1 Qf6 19. Rd1 Rfc8 20. Nb5 Bxb5 21. cxb5 Rc7 22. Rf1 Qg7 23. Rbb1 Re8 24. g4 fxg4 25. h3 gxh3 26. Bxh3 Rf7 27. Rxf7 Qxf7 28. Rf1 Qe7 29. Nd4 Bxd4+ 30. Qxd4 Qe3+ 31. Qxe3 Rxe3 32. Bg2 Kg7 33. Rf2 h5 34. Kh2 Nd3 35. Rc2 Nf4 36. Rc7+ Kf6 37. Bh1 Re7 38. Rc4 g5 39. a4 Re2+ 40. Kg3 Kf5 41. Bf3 h4# 0-1

[Event "Victoria Grand Pacific op 5th"]
[Site "Victoria"]
[Date "2011.04.23"]
[Round "2"]
[White "Maisuradze, Nino"]
[Black "Cohen, Lawrence S"]
[Result "1-0"]
[ECO "A44"]
[WhiteElo "2296"]
[BlackElo "2019"]
[PlyCount "131"]
[EventDate "2011.04.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 c5 2. d5 e5 3. e4 d6 4. Nc3 Nf6 5. h3 a6 6. a4 Be7 7. Be3 Nbd7 8. g4 h6 9. Nge2 Rb8 10. Ng3 g6 11. Be2 b6 12. Qd2 Bf8 13. Rf1 Bg7 14. 0-0-0 Qc7 15. f4 c4 16. g5 hxg5 17. fxg5 Ng8 18. Bg4 Nc5 19. Bxc8 Qxc8 20. h4 Rb7 21. Qf2 f6 22. h5 gxh5 23. Nf5 Bf8 24. gxf6 Rf7 25. Bxc5 bxc5 26. Ng7+ Kd8 27. Ne6+ Ke8 28. Qe2 Rxf6 29. Qxc4 h4 30. a5 Rh7 31. Na4 Bh6+ 32. Kb1 Qd7 33. Nb6 Qb5 34. Qxb5+ axb5 35. a6 Ra7 36. Nc8 Rxa6 37. Nc7+ Kd7 38. Nxa6 Kxc8 39. b4 c4 40. Kb2 Kb7 41. Rg1 Ne7 42. Ra1 Rf8 43. Ra5 Kb6 44. Rga1 Bf4 45. Nc5 dxc5 46. Ra6+ Kc7 47. Ra7+ Kd8 48. bxc5 Be3 49. Ra8+ Nc8 50. Rxc8+ Kxc8 51. Ra8+ Kc7 52. Rxf8 Bxc5 53. Rf7+ Kb6 54. c3 b4 55. Rh7 Kb5 56. Rxh4 bxc3+ 57. Kxc3 Bb4+ 58. Kc2 Kc5 59. Rh6 Kd4 60. d6 Kxe4 61. d7 Ba5 62. Ra6 Bd8 63. Kc3 Kf3 64. Ra8 Bh4 65. d8Q Bxd8 66. Rxd8 1-0

[Event "US Open-111"]
[Site "Irvine"]
[Date "2010.08.06"]
[Round "?"]
[White "Ruddell, Solomon"]
[Black "Cohen, Lawrence S"]
[Result "1-0"]
[ECO "C46"]
[BlackElo "2007"]
[PlyCount "115"]
[EventDate "2010.07.31"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. e4 Nc6 2. Nc3 e5 3. Nf3 g6 4. a3 Bg7 5. Bc4 h6 6. d3 b6 7. Be3 Bb7 8. Qd2 Nd4 9. Bxd4 exd4 10. Nb5 a6 11. Qf4 Nf6 12. Nxc7+ Kf8 13. Nxa8 Bxa8 14. e5 Nd5 15. Qxd4 Ne7 16. 0-0-0 b5 17. Bb3 h5 18. Kb1 Nf5 19. Qc5+ Kg8 20. Nd4 Bf8 21. Qc3 Ne7 22. f4 Nd5 23. Bxd5 Bxd5 24. Qd2 Qb6 25. c3 a5 26. Nc2 Bb3 27. Rhf1 b4 28. cxb4 axb4 29. Nxb4 Bxd1 30. Rxd1 Qb7 31. g3 h4 32. f5 hxg3 33. hxg3 Bh6 34. Qf2 g5 35. Re1 Bf8 36. Qe3 Bh6 37. e6 dxe6 38. fxe6 fxe6 39. Qxe6+ Qf7 40. Qxf7+ Kxf7 41. Nc6 Bg7 42. Re7+ Kf6 43. Re3 Rh1+ 44. Ka2 Rh2 45. Kb3 Kf5 46. d4 Rh6 47. Ne7+ Kg4 48. Kc4 Rd6 49. d5 Bxb2 50. Nc6 Bc1 51. Rd3 Kf5 52. a4 Ke4 53. a5 Be3 54. Rxe3+ Kxe3 55. a6 Kf3 56. a7 Kxg3 57. a8Q Rf6 58. d6 1-0

[Event "Canadian op"]
[Site "Toronto"]
[Date "2010.07.14"]
[Round "5"]
[White "Cohen, Lawrence S"]
[Black "McCleary, Reuben"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "2026"]
[PlyCount "126"]
[EventDate "2010.07.10"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "CBM 137 Extra"]
[Source "ChessBase"]
[SourceDate "2010.09.01"]
[SourceVersion "1"]
[SourceVersionDate "2010.09.01"]
[SourceQuality "1"]

1. c4 e6 2. g3 d5 3. cxd5 exd5 4. d4 Nf6 5. Bg2 c6 6. Nc3 Bb4 7. Bd2 Bf5 8. Nf3 0-0 9. 0-0 Re8 10. Re1 Nbd7 11. Qb3 Bxc3 12. bxc3 Nb6 13. Bg5 h6 14. Bxf6 Qxf6 15. Ne5 Re7 16. f4 Qe6 17. e4 dxe4 18. Qxe6 Rxe6 19. g4 Bh7 20. f5 Re7 21. Bxe4 f6 22. Nf3 Rae8 23. Bd3 Rxe1+ 24. Rxe1 Rxe1+ 25. Nxe1 Kf8 26. Kf2 Bg8 27. a3 Ke7 28. Nf3 Nd5 29. c4 Nb6 30. Nd2 Nd7 31. Ke3 b6 32. a4 Bf7 33. h4 Nf8 34. Kf4 g5+ 35. hxg5 hxg5+ 36. Ke4 Kd6 37. Ke3 Nd7 38. Ne4+ Ke7 39. Be2 a5 40. Kd3 Bg8 41. Kc3 Bf7 42. Bf3 Bg8 43. Nd2 Kd6 44. Nb3 Bf7 45. c5+ bxc5 46. Nxa5 cxd4+ 47. Kxd4 c5+ 48. Kc3 Nb6 49. Nb7+ Kc7 50. Nxc5 Bd5 51. Bxd5 Nxd5+ 52. Kd4 Nb4 53. Ne4 Nc6+ 54. Kd5 Ne7+ 55. Ke6 Ng8 56. Kf7 Nh6+ 57. Kxf6 Nxg4+ 58. Kxg5 Ne5 59. f6 Kb6 60. Kf5 Nf7 61. Ke6 Nh6 62. Nd6 Ka5 63. Nf5 Ng4 1-0

[Event "North American op 28th"]
[Site "Stillwater"]
[Date "2010.05.31"]
[Round "9"]
[White "Cohen, Lawrence S"]
[Black "Whitcomb, Bran"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2031"]
[BlackElo "1979"]
[PlyCount "75"]
[EventDate "2010.05.28"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 136 Extra"]
[Source "ChessBase"]
[SourceDate "2010.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2010.07.15"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. e3 e5 6. Nge2 Nge7 7. 0-0 0-0 8. f4 d6 9. d3 Be6 10. Nd5 Rb8 11. Nec3 a6 12. a4 Bxd5 13. cxd5 Nb4 14. e4 f5 15. fxe5 Bxe5 16. Be3 fxe4 17. Rxf8+ Qxf8 18. dxe4 Qg7 19. Qd2 Nc8 20. a5 Na7 21. Bh6 Bd4+ 22. Kh1 Qe5 23. Rf1 Nb5 24. Na4 Qh5 25. Qf4 Bf6 26. Nb6 Nd3 27. Qxf6 Qxh6 28. Nd7 Ra8 29. e5 Nxe5 30. Nxe5 dxe5 31. d6 Qg7 32. Qe6+ Kh8 33. Rf7 Nd4 34. Qe7 Qh6 35. Qxe5+ Kg8 36. d7 Kxf7 37. Bd5+ Kf8 38. Qf6# 1-0

[Event "North American op 28th"]
[Site "Stillwater"]
[Date "2010.05.31"]
[Round "10"]
[White "Johnson, Chuck"]
[Black "Cohen, Lawrence S"]
[Result "1-0"]
[ECO "A56"]
[WhiteElo "1742"]
[BlackElo "2031"]
[PlyCount "71"]
[EventDate "2010.05.28"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 136 Extra"]
[Source "ChessBase"]
[SourceDate "2010.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2010.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. Bd3 a6 7. f3 0-0 8. Nge2 Ne8 9. 0-0 f5 10. f4 exf4 11. Bxf4 Nd7 12. exf5 Ne5 13. Bxe5 dxe5 14. Ng3 Nf6 15. Qe2 Bd6 16. Rae1 b6 17. Nge4 Re8 18. Nxd6 Qxd6 19. Ne4 Nxe4 20. Qxe4 Qf6 21. Re2 Ra7 22. h3 Rae7 23. Kh2 g5 24. g3 Bb7 25. Kg2 h5 26. Qf3 e4 27. Bxe4 Kg7 28. Rfe1 Kh6 29. Bd3 Rxe2+ 30. Rxe2 Rxe2+ 31. Qxe2 Bc8 32. Qe4 Qxb2+ 33. Kf3 Qd2 34. Qe3 Qxe3+ 35. Kxe3 Bd7 36. Ke4 1-0

[Event "North American op 28th"]
[Site "Stillwater"]
[Date "2010.05.30"]
[Round "6"]
[White "Cohen, Lawrence S"]
[Black "Luscomb, David"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "2031"]
[BlackElo "1856"]
[PlyCount "151"]
[EventDate "2010.05.28"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 136 Extra"]
[Source "ChessBase"]
[SourceDate "2010.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2010.07.15"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 Nc6 4. Nc3 Bb4 5. e3 0-0 6. Nge2 d6 7. 0-0 Bxc3 8. Nxc3 Be6 9. Nd5 Bxd5 10. cxd5 Ne7 11. e4 Nd7 12. d4 f5 13. dxe5 Nxe5 14. Qb3 fxe4 15. Bxe4 Qd7 16. f4 Ng4 17. h3 Nf6 18. Bg2 b6 19. Be3 h5 20. Bd4 Qf5 21. Bxf6 Qxf6 22. Rac1 Qd4+ 23. Kh2 Nf5 24. Rfd1 Qf2 25. Rc2 Qe3 26. Rxc7 Qxb3 27. axb3 h4 28. g4 Ne3 29. Rd4 g5 30. f5 Rfe8 31. Bf3 Nf1+ 32. Kg2 Re1 33. f6 Rf8 34. Kf2 Rb1 35. Rg7+ Kh8 36. Rg6 Ng3 37. Rh6+ Kg8 38. Rd2 Re8 39. Rc2 Rf1+ 40. Kg2 Rb1 41. f7+ Kxf7 42. Rxd6 Re7 43. Rdc6 Ree1 44. Rc7+ Ke8 45. d6 Rg1+ 46. Kh2 Rgf1 47. Bc6+ Kf8 48. Rc8+ Kg7 49. d7 Rfd1 50. Rf2 Nh1 51. Bxh1 Rxh1+ 52. Kg2 Rbe1 53. Rg8+ Kh7 54. Rxg5 Rhg1+ 55. Kf3 Rd1 56. Rh5+ Kg6 57. Rxh4 Rxd7 58. Rh8 Rd3+ 59. Kf4 Rxb3 60. Re2 Rf1+ 61. Ke5 Kg7 62. Ra8 Rxh3 63. Rxa7+ Kg6 64. Rb7 Rb3 65. Rc2 Rf6 66. Rg2 Rf1 67. Rd2 Rb5+ 68. Ke4 Re1+ 69. Kf3 Rb3+ 70. Kf2 Re6 71. Rb8 Rf6+ 72. Kg2 Kg5 73. Rg8+ Kh4 74. Kg1 Rg3+ 75. Rg2 Rff3 76. Rh8+ 1/2-1/2

[Event "North American op 28th"]
[Site "Stillwater"]
[Date "2010.05.30"]
[Round "7"]
[White "Cope, John"]
[Black "Cohen, Lawrence S"]
[Result "1-0"]
[ECO "A39"]
[BlackElo "2031"]
[PlyCount "69"]
[EventDate "2010.05.28"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 136 Extra"]
[Source "ChessBase"]
[SourceDate "2010.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2010.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nc3 g6 6. g3 Bg7 7. Bg2 0-0 8. 0-0 a6 9. c5 Qc7 10. h3 e5 11. Nb3 Re8 12. Bg5 Ne7 13. Qd2 a5 14. a4 Ra6 15. Nb5 Qd8 16. Rfd1 Nc6 17. Rac1 Nd4 18. N3xd4 exd4 19. Nxd4 d5 20. Nb5 h6 21. Bf4 Rae6 22. e3 Rc6 23. Bd6 Ne4 24. Qxd5 Ng5 25. h4 Nh3+ 26. Kf1 Bxb2 27. Rb1 Bg7 28. Na7 Be6 29. Nxc6 bxc6 30. Qxc6 g5 31. Rb8 Bc4+ 32. Ke1 Bc3+ 33. Rd2 Qf6 34. Qxe8+ Kg7 35. Qg8# 1-0

[Event "North American op 28th"]
[Site "Stillwater"]
[Date "2010.05.30"]
[Round "8"]
[White "Lin, Kenny L"]
[Black "Cohen, Lawrence S"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1871"]
[BlackElo "2031"]
[PlyCount "116"]
[EventDate "2010.05.28"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 136 Extra"]
[Source "ChessBase"]
[SourceDate "2010.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2010.07.15"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 e5 3. dxe5 Nxe5 4. Nc3 d6 5. Bf4 Ng6 6. Bg3 Nf6 7. Bc4 Be7 8. Nf3 Bg4 9. h3 Be6 10. Bb3 0-0 11. Qd2 Bxb3 12. axb3 b5 13. b4 a5 14. bxa5 b4 15. Ne2 Nxe4 16. Qxb4 d5 17. Qa4 Nxg3 18. Nxg3 Bf6 19. c3 Re8+ 20. Kf1 c5 21. Kg1 Ne5 22. Nxe5 Bxe5 23. Qc6 Rc8 24. Qa4 d4 25. cxd4 Bxd4 26. Qc2 Rb8 27. Ra2 Qf6 28. b3 Qd6 29. Nf1 Re1 30. a6 Ra8 31. Qd2 Re6 32. a7 Qb6 33. Ne3 Rxa7 34. Rxa7 Qxa7 35. Kh2 Qb8+ 36. g3 Qxb3 37. Rc1 g6 38. Nc2 Qb2 39. Rd1 Bf6 40. Ne3 Qb7 41. Ng4 Bd4 42. Qf4 Qe7 43. Rb1 Be5 44. Qh6 Bc7 45. Ra1 Qd8 46. Ne3 Be5 47. Ra7 Bg7 48. Qf4 Rf6 49. Qe4 Rxf2+ 50. Ng2 Qd2 51. Ra8+ Bf8 52. Rc8 Qa2 53. Ra8 Qe6 54. Qb7 Ra2 55. Rc8 Kg7 56. Rd8 Bd6 57. Qf3 c4 58. Ra8 Rb2 0-1

[Event "North American op 28th"]
[Site "Stillwater"]
[Date "2010.05.29"]
[Round "3"]
[White "Anzis, Matt"]
[Black "Cohen, Lawrence S"]
[Result "1-0"]
[ECO "E70"]
[WhiteElo "2085"]
[BlackElo "2031"]
[PlyCount "81"]
[EventDate "2010.05.28"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "USA"]
[SourceTitle "CBM 136 Extra"]
[Source "ChessBase"]
[SourceDate "2010.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2010.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nge2 0-0 6. Ng3 Nc6 7. Be2 e5 8. d5 Nd4 9. 0-0 Nxe2+ 10. Qxe2 Ng4 11. f3 Nh6 12. f4 exf4 13. Bxf4 Bd4+ 14. Be3 Bxe3+ 15. Qxe3 Ng4 16. Qf4 Ne5 17. b3 c6 18. Rad1 Qe7 19. dxc6 bxc6 20. Qf6 Qxf6 21. Rxf6 Be6 22. Rf2 Rad8 23. Rfd2 Bg4 24. Nge2 Rfe8 25. Rxd6 Rxd6 26. Rxd6 Kf8 27. Kf2 Be6 28. h3 Ke7 29. Rd2 c5 30. Nd5+ Kf8 31. Nf6 Rc8 32. Nxh7+ Kg7 33. Ng5 Bd7 34. Nf3 Nxf3 35. Kxf3 Bc6 36. Kf4 Re8 37. Nc3 g5+ 38. Kxg5 Bxe4 39. Re2 Bc6 40. Rxe8 Bxe8 41. g4 1-0

[Event "US Open-110"]
[Site "Indianapolis"]
[Date "2009.08.08"]
[Round "8"]
[White "Crouch, Jerry"]
[Black "Cohen, Lawrence S"]
[Result "0-1"]
[ECO "C01"]
[BlackElo "2029"]
[PlyCount "90"]
[EventDate "2009.08.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 131 Extra"]
[Source "ChessBase"]
[SourceDate "2009.09.03"]
[SourceVersion "2"]
[SourceVersionDate "2009.09.16"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. c3 Be7 6. g3 0-0 7. Bg2 Nc6 8. 0-0 h6 9. Nbd2 Be6 10. Re1 Qc8 11. Nf1 Bd6 12. Ne3 Ne7 13. Qc2 Nf5 14. b3 c6 15. Bb2 b5 16. Ne5 Nxe3 17. Rxe3 Bf5 18. Qd2 Ng4 19. Nxg4 Bxg4 20. f3 Bd7 21. Rae1 Qa6 22. Qc2 Rae8 23. Rxe8 Rxe8 24. Rxe8+ Bxe8 25. Bc1 Bd7 26. Bf1 Be6 27. b4 Qc8 28. Be3 Bc7 29. Bd3 a5 30. a3 axb4 31. cxb4 Qa8 32. Bc1 Bb6 33. Bb2 Qa7 34. Qf2 Qe7 35. Qe2 Qf6 36. Qf2 h5 37. Kg2 g6 38. Qe3 Bd7 39. h4 Kg7 40. Bc2 Kh7 41. Bd1 Be6 42. f4 Qf5 43. g4 hxg4 44. Kg3 Bd8 45. Qc3 Qh5 0-1

[Event "North American op 27th"]
[Site "Stillwater"]
[Date "2009.05.25"]
[Round "6"]
[White "Cohen, Lawrence S"]
[Black "Chua, Alexander J"]
[Result "0-1"]
[ECO "A36"]
[WhiteElo "2039"]
[BlackElo "2276"]
[PlyCount "46"]
[EventDate "2009.05.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. g3 e5 4. Bg2 Ne7 5. e3 c5 6. Nge2 Nbc6 7. 0-0 0-0 8. d3 d6 9. a3 a5 10. Nb5 Be6 11. e4 Qd7 12. Rb1 f5 13. b3 Rf7 14. Nbc3 f4 15. f3 Raf8 16. Nd5 g5 17. Bd2 Ng6 18. Kh1 g4 19. Ng1 Nd4 20. Bc3 gxf3 21. Nxf3 Nxf3 22. Bxf3 fxg3 23. hxg3 Bxd5 0-1

[Event "North American op 27th"]
[Site "Stillwater"]
[Date "2009.05.25"]
[Round "7"]
[White "Glascock, Dennis G"]
[Black "Cohen, Lawrence S"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "1933"]
[BlackElo "2039"]
[PlyCount "65"]
[EventDate "2009.05.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nf6 5. Bf4 Nc6 6. c3 Bd6 7. Ne2 Be6 8. 0-0 a6 9. Qc2 Ne7 10. Nd2 Ng6 11. Bxd6 Qxd6 12. Rae1 0-0-0 13. Ng3 Nf4 14. Bf5 g6 15. Bxe6+ Nxe6 16. Nf3 Nd7 17. Ne5 Nxe5 18. Rxe5 Rhe8 19. Rfe1 f6 20. R5e3 Qc6 21. Qd2 h5 22. h4 Qd7 23. Qe2 Ng7 24. Qf3 Qd6 25. Nf1 c6 26. g3 Kd7 27. Nd2 Nf5 28. Rxe8 Rxe8 29. Rxe8 Kxe8 30. Qe2+ Kf7 31. Kg2 c5 32. dxc5 Qxc5 33. Nb3 1/2-1/2

[Event "North American op 27th"]
[Site "Stillwater"]
[Date "2009.05.24"]
[Round "4"]
[White "Cohen, Lawrence S"]
[Black "Johnson, Chuck"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "2039"]
[BlackElo "1702"]
[PlyCount "53"]
[EventDate "2009.05.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Bg2 Nxc3 6. bxc3 c5 7. Qa4+ Bd7 8. Qc4 Bc6 9. Bxc6+ Nxc6 10. Qxc5 e5 11. Qc4 Rc8 12. Nf3 Be7 13. 0-0 0-0 14. Qb5 e4 15. Ne5 Na5 16. Qa4 f6 17. Ng4 Rc4 18. Qc2 b5 19. Ne3 Ra4 20. d3 f5 21. c4 exd3 22. exd3 Qd7 23. cxb5 Qxb5 24. Nd5 Bd8 25. Nc3 Qc6 26. Qxa4 Qxc3 27. Bh6 1-0

[Event "North American op 27th"]
[Site "Stillwater"]
[Date "2009.05.24"]
[Round "3"]
[White "Kudrin, Sergey"]
[Black "Cohen, Lawrence S"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2563"]
[BlackElo "2039"]
[PlyCount "91"]
[EventDate "2009.05.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. e4 d6 2. d4 g6 3. Nc3 Bg7 4. Be3 c6 5. a4 Na6 6. h3 Nc7 7. g4 e6 8. Nge2 Bd7 9. Bg2 Ne7 10. Qd2 h6 11. Ng3 d5 12. 0-0 f5 13. e5 a5 14. Nce2 Qc8 15. b3 b6 16. c4 Qb7 17. Nc1 Kf7 18. Nd3 fxg4 19. hxg4 Raf8 20. Rab1 Kg8 21. c5 Na6 22. b4 bxc5 23. bxc5 Qc7 24. Rb6 Ra8 25. Rfb1 Nc8 26. Rb7 Qd8 27. Bf1 Ne7 28. Be2 Nc7 29. Kg2 Ne8 30. Nf4 g5 31. Nfh5 Ng6 32. Bd3 Nh4+ 33. Kh3 Bc8 34. Rb8 Ra7 35. Qe2 Qc7 36. f4 Kf7 37. fxg5 Bb7 38. g6+ Nxg6 39. Rf1+ Ke7 40. Rxe8+ Kxe8 41. Bxg6+ Kd8 42. Rf7 Qc8 43. Rxg7 Ba6 44. Qf2 Rxg7 45. Nxg7 Qd7 46. Qf6+ 1-0

[Event "North American op 27th"]
[Site "Stillwater"]
[Date "2009.05.24"]
[Round "5"]
[White "Luscomb, David"]
[Black "Cohen, Lawrence S"]
[Result "0-1"]
[ECO "A47"]
[BlackElo "2039"]
[PlyCount "94"]
[EventDate "2009.05.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 c5 3. c3 Nf6 4. g3 b6 5. Bg2 Bb7 6. 0-0 Be7 7. Nbd2 0-0 8. Re1 cxd4 9. cxd4 d5 10. Ne5 Ne4 11. Nxe4 dxe4 12. Bf4 f6 13. Nc4 g5 14. Bc1 Bd5 15. Ne3 f5 16. f3 exf3 17. exf3 Bb7 18. Qb3 Qd7 19. g4 f4 20. Nf5 Rf6 21. Bd2 Kf7 22. Bc3 Bd5 23. Qc2 exf5 24. Bf1 Nc6 25. Bd3 fxg4 26. Re5 Nxe5 27. dxe5 Bc5+ 28. Kf1 gxf3 29. Ke1 f2+ 30. Kd1 Qg4+ 31. Kc1 Qg1+ 32. Qd1 Qxd1+ 33. Kxd1 Rh6 34. Kc2 Rxh2 35. Rf1 g4 36. b4 Be3 37. Kb1 g3 38. Rd1 Rh1 39. Rxh1 Bxh1 40. Bf1 Be4+ 41. Kb2 g2 42. Bxg2 Bxg2 43. e6+ Kxe6 44. b5 f1Q 45. a4 Qc1+ 46. Kb3 Bd5+ 47. Kb4 Bc5# 0-1

[Event "North American op 27th"]
[Site "Stillwater"]
[Date "2009.05.23"]
[Round "1"]
[White "Cohen, Lawrence S"]
[Black "Eberhard, Bruce"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "2039"]
[PlyCount "53"]
[EventDate "2009.05.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. d4 d6 6. e3 Nbd7 7. Nge2 e5 8. 0-0 Rb8 9. a4 b6 10. b4 Bb7 11. d5 a5 12. b5 Nc5 13. e4 Nfd7 14. Ra3 f5 15. Be3 Bc8 16. f4 fxe4 17. Nxe4 Nxe4 18. Bxe4 Nf6 19. Bg2 Ng4 20. Bc1 exf4 21. gxf4 Bf5 22. h3 Nh6 23. Nd4 Bxd4+ 24. Qxd4 Qf6 25. Qd2 Rbe8 26. Bb2 Qh4 27. Qd4 1-0

[Event "North American op 27th"]
[Site "Stillwater"]
[Date "2009.05.23"]
[Round "2"]
[White "Fortman, Zeb III"]
[Black "Cohen, Lawrence S"]
[Result "0-1"]
[ECO "D05"]
[BlackElo "2039"]
[PlyCount "78"]
[EventDate "2009.05.23"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "CBM 130 Extra"]
[Source "ChessBase"]
[SourceDate "2009.07.02"]
[SourceVersion "2"]
[SourceVersionDate "2009.07.15"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 c5 3. e3 d5 4. c3 Nc6 5. Bd3 Nf6 6. Nbd2 h6 7. 0-0 Bd6 8. dxc5 Bxc5 9. e4 0-0 10. Qe2 dxe4 11. Nxe4 Nxe4 12. Qxe4 f5 13. Qe2 Qf6 14. Re1 Bd6 15. Bc4 Kh8 16. Nd4 e5 17. Nxc6 bxc6 18. Qh5 Bd7 19. b4 Be8 20. Qe2 a5 21. Bb2 Qg6 22. a3 e4 23. Rad1 Bc7 24. g3 Qf6 25. Rd2 Be5 26. f3 Bh5 27. g4 Bf4 28. Rc2 exf3 29. Qxf3 fxg4 30. Qg2 Qg5 31. Bc1 Bxc1 32. Rcxc1 axb4 33. axb4 Rf6 34. Rc2 Raf8 35. Bd3 Bg6 36. Bxg6 Qxg6 37. Rce2 h5 38. Qe4 Qf7 39. Qe7 Rf1+ 0-1

[Event "USA-ch Qualifier"]
[Site "Tulsa"]
[Date "2008.03.30"]
[Round "7"]
[White "Cohen, Lawrence S"]
[Black "Bayaraa, Zorigt"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "2022"]
[BlackElo "2162"]
[PlyCount "123"]
[EventDate "2008.03.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. c4 b6 2. Nf3 Bb7 3. g3 e6 4. Bg2 Nf6 5. Nc3 Be7 6. 0-0 0-0 7. d4 Ne4 8. Nxe4 Bxe4 9. Nh4 Bxg2 10. Nxg2 d5 11. cxd5 exd5 12. Nf4 c6 13. Be3 Nd7 14. Rc1 Nb8 15. f3 Re8 16. Bf2 Bg5 17. Rc2 Bxf4 18. gxf4 Qf6 19. e3 Nd7 20. Kh1 Re6 21. Qd3 g6 22. Qa6 Qf5 23. Rcc1 Qh3 24. Bg1 Rae8 25. Qd3 Nf6 26. Qd2 Nh5 27. Qg2 Qf5 28. Qc2 Qf6 29. Bf2 Ng7 30. Qb3 Nf5 31. Rc3 Qe7 32. Qa3 Qd7 33. b4 Nd6 34. Qc1 Nf5 35. Re1 R8e7 36. a3 a6 37. Qd2 Qe8 38. Kg1 Kg7 39. a4 h6 40. Qd3 b5 41. a5 Nd6 42. h4 Qd7 43. Kg2 Re8 44. h5 Nc4 45. e4 dxe4 46. fxe4 Rxe4 47. Rxe4 Qd5 48. hxg6 fxg6 49. Kg3 Rxe4 50. Rc2 Qf5 51. Qf3 h5 52. Re2 h4+ 53. Kg2 Rxf4 54. Qxc6 h3+ 55. Kf1 Kh6 56. Qa8 Qb1+ 57. Re1 Qd3+ 58. Kg1 Qf5 59. Qh8+ Kg5 60. Qd8+ Kg4 61. Qh4+ Kf3 62. Qg3# 1-0

[Event "USA-ch Qualifier"]
[Site "Tulsa"]
[Date "2008.03.30"]
[Round "6"]
[White "Cohen, Lawrence S"]
[Black "Haskel, Jeffrey"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2022"]
[BlackElo "2105"]
[PlyCount "101"]
[EventDate "2008.03.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. cxd5 exd5 5. d4 Bd6 6. Nf3 0-0 7. 0-0 Re8 8. Nc3 c6 9. Re1 Qb6 10. Qc2 Bg4 11. Be3 Nbd7 12. h3 Bh5 13. Qd2 Ne4 14. Qc1 Nxc3 15. bxc3 Qa5 16. Bd2 Ba3 17. Qb1 Qa6 18. Bf1 Nb6 19. Ne5 f6 20. e4 Qa4 21. g4 fxe5 22. gxh5 exd4 23. exd5 Nxd5 24. Qxb7 dxc3 25. h6 Bf8 26. Bg5 c2 27. Bd3 Qb4 28. Qxb4 Bxb4 29. Rxe8+ Rxe8 30. Bxc2 Re5 31. f4 Bc5+ 32. Kh1 Re3 33. Bf5 Bd4 34. Rb1 Nb6 35. a4 g6 36. Bg4 Bc3 37. Kg2 c5 38. a5 Bxa5 39. Rd1 Bc3 40. Rd6 Kf8 41. f5 Re5 42. Bf4 Rd5 43. fxg6 hxg6 44. Rxg6 Kf7 45. Rc6 Rd8 46. Bg5 Rf8 47. h7 Rh8 48. Bh5+ Kf8 49. Rc7 c4 50. Bh6+ Bg7 51. Bxg7# 1-0

[Event "USA-ch Qualifier"]
[Site "Tulsa"]
[Date "2008.03.29"]
[Round "4"]
[White "Cohen, Lawrence S"]
[Black "Hanken, Jerome B"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2022"]
[BlackElo "1932"]
[PlyCount "157"]
[EventDate "2008.03.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 e6 5. e3 Ne7 6. Nge2 0-0 7. 0-0 d5 8. cxd5 exd5 9. d4 cxd4 10. exd4 Nbc6 11. Be3 Bg4 12. h3 Bxe2 13. Nxe2 Nf5 14. Qd2 Nxe3 15. fxe3 Qg5 16. h4 Qd8 17. Nf4 Ne7 18. g4 Qd7 19. Bh3 Rae8 20. Rae1 f5 21. g5 Nc8 22. Bg2 Nb6 23. Qa5 Rd8 24. b3 Qd6 25. Kh1 Rfe8 26. Qxa7 Rd7 27. Qa5 Ra8 28. Qd2 Bf8 29. Rc1 Qa3 30. Rc2 Re8 31. Qd3 Rde7 32. Bxd5+ Kh8 33. Re2 Nxd5 34. Nxd5 Re4 35. Rf4 Qc1+ 36. Kg2 Qc6 37. Qc4 Rxf4 38. Qxc6 Rg4+ 39. Kf3 bxc6 40. Nf6 Ree4 41. Nxg4 Rxg4 42. Rc2 Rxh4 43. Rxc6 Be7 44. a4 Bxg5 45. Re6 Kg7 46. a5 Rh3+ 47. Kf2 Rh2+ 48. Kf3 Rb2 49. Rb6 Bd8 50. Rb7+ Kf6 51. a6 Ra2 52. a7 Be7 53. e4 fxe4+ 54. Kxe4 h5 55. Rb6+ Kf7 56. Rb7 Kf6 57. Rb6+ Kg5 58. Rb5+ Kg4 59. Rb7 Bg5 60. b4 h4 61. d5 h3 62. Rh7 Rxa7 63. Rxa7 h2 64. Ra1 Bf4 65. b5 Bc7 66. d6 Bxd6 67. Kd5 Bg3 68. b6 g5 69. b7 Kh3 70. Ke4 g4 71. Kf5 Bb8 72. Kg5 g3 73. Kh5 Kg2 74. Kg4 Kf2 75. Kh3 Be5 76. b8Q Bxb8 77. Ra2+ Ke1 78. Rxh2 gxh2 79. Kg2 1/2-1/2

[Event "USA-ch Qualifier"]
[Site "Tulsa"]
[Date "2008.03.29"]
[Round "3"]
[White "Markzon, Gregory"]
[Black "Cohen, Lawrence S"]
[Result "1-0"]
[ECO "E06"]
[WhiteElo "2150"]
[BlackElo "2022"]
[PlyCount "135"]
[EventDate "2008.03.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Nc6 5. g3 Be7 6. Bg2 0-0 7. 0-0 a6 8. Ne5 Na5 9. cxd5 exd5 10. Bg5 c6 11. b3 h6 12. Bd2 b5 13. Qe1 b4 14. Na4 Rb8 15. Nd3 Ne4 16. Bxb4 Nb7 17. Bxe7 Qxe7 18. Rc1 Nd8 19. Nac5 Nxc5 20. Nxc5 Qa7 21. Qd2 a5 22. Rfe1 Be6 23. e4 Rb5 24. e5 Rb6 25. Re3 Rb4 26. Qc3 Rb5 27. h3 Qa8 28. Kh2 Rb4 29. Rce1 g6 30. h4 h5 31. Rf3 Bg4 32. Rf6 Ne6 33. Nxe6 Bxe6 34. Bh3 Re8 35. Bxe6 Rxe6 36. Rxe6 fxe6 37. Qc5 Qf8 38. Qxf8+ Kxf8 39. Rd1 a4 40. Rd3 a3 41. Kg2 Rb5 42. Rc3 Rb4 43. Rxc6 Rxd4 44. Rxe6 Rd2 45. Rd6 Ke7 46. b4 Rxa2 47. Rxd5 Rb2 48. Ra5 a2 49. Ra6 Kf7 50. Kf3 Rb3+ 51. Kf4 Rxb4+ 52. Kg5 Rb2 53. e6+ Ke7 54. Kxg6 Rxf2 55. Kxh5 Rf5+ 56. Kg4 Rf2 57. Kg5 Rb2 58. h5 Rb5+ 59. Kh4 Rb2 60. g4 Re2 61. Kg5 Re5+ 62. Kf4 Re2 63. Kf5 Rf2+ 64. Kg6 Re2 65. Ra7+ Kxe6 66. h6 Kd5 67. h7 Re6+ 68. Kf5 1-0

[Event "USA-ch Qualifier"]
[Site "Tulsa"]
[Date "2008.03.29"]
[Round "5"]
[White "Plunkett, Robert"]
[Black "Cohen, Lawrence S"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "2117"]
[BlackElo "2022"]
[PlyCount "88"]
[EventDate "2008.03.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "CBM 123 Extra"]
[Source "ChessBase"]
[SourceDate "2008.05.06"]
[SourceVersion "1"]
[SourceVersionDate "2008.05.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Ne7 4. Nf3 c6 5. e5 b6 6. Bg5 Ba6 7. Bxa6 Nxa6 8. a3 Qd7 9. Qd3 Nc7 10. 0-0 c5 11. dxc5 bxc5 12. Rfd1 h6 13. Bh4 Nf5 14. g4 Nxh4 15. Nxh4 Rb8 16. b4 cxb4 17. axb4 Rxb4 18. h3 Bc5 19. Rab1 Rxb1 20. Rxb1 0-0 21. Ne4 Be7 22. Ng2 Qc6 23. Ng3 Na6 24. c3 Nc5 25. Qe3 Qa6 26. Nf4 Rc8 27. Ngh5 Ne4 28. Nxg7 Rxc3 29. Rb8+ Kh7 30. Qe1 Qa3 31. Ne2 Rxh3 32. Nh5 Qf3 33. Neg3 Bc5 34. Qxe4+ dxe4 35. Nf6+ Qxf6 36. exf6 Rxg3+ 37. Kf1 Rf3 38. g5 hxg5 39. Kg1 Bxf2+ 40. Kg2 Rxf6 41. Kh3 Rf4 42. Kg2 e3 43. Kf1 g4 44. Kg2 e2 0-1

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "2007.06.09"]
[Round "3"]
[White "Mezentsev, Vladimir Gen"]
[Black "Cohen, Lawrence S"]
[Result "1-0"]
[ECO "C03"]
[WhiteElo "2402"]
[BlackElo "2032"]
[PlyCount "69"]
[EventDate "2007.06.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "CBM 118 Extra"]
[Source "ChessBase"]
[SourceDate "2007.07.04"]
[SourceVersion "1"]
[SourceVersionDate "2007.07.04"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Ne7 4. c3 b6 5. Ngf3 c6 6. Ne5 Ng6 7. Nd3 Ba6 8. Be2 Bd6 9. e5 Be7 10. 0-0 0-0 11. f4 c5 12. Nf3 Nc6 13. Be3 cxd4 14. Nxd4 Nxd4 15. Bxd4 Qc8 16. b4 Qc7 17. a4 Bc4 18. a5 b5 19. a6 Rae8 20. Qd2 f6 21. Qe3 fxe5 22. fxe5 Rxf1+ 23. Rxf1 Ra8 24. Bg4 Qc6 25. Ra1 Bxd3 26. Qxd3 Nf4 27. Qf1 Rf8 28. g3 h5 29. Bd1 Bg5 30. gxf4 Bxf4 31. Qe2 Rf5 32. Bc2 Rg5+ 33. Kh1 Bxe5 34. h4 Rg4 35. Qxe5 1-0

[Event "US Open-107"]
[Site "Chicago"]
[Date "2006.08.13"]
[Round "9"]
[White "Cohen, Lawrence S"]
[Black "Swindell, Frankie"]
[Result "1-0"]
[ECO "D43"]
[WhiteElo "2044"]
[PlyCount "141"]
[EventDate "2006.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 113 Extra"]
[Source "ChessBase"]
[SourceDate "2006.09.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.09.14"]
[SourceQuality "1"]

1. c4 c6 2. d4 d5 3. Nc3 Nf6 4. Nf3 e6 5. a3 Bd6 6. c5 Bc7 7. b4 0-0 8. Bg5 Nbd7 9. Qc2 Re8 10. e4 dxe4 11. Nxe4 h6 12. Bh4 e5 13. Bd3 exd4 14. 0-0 g5 15. Nexg5 hxg5 16. Nxg5 Nf8 17. Rae1 Re5 18. Rxe5 Bxe5 19. Re1 Qc7 20. g3 Bg4 21. Nxf7 Kxf7 22. f4 Bxf4 23. gxf4 Qxf4 24. Bxf6 Qxf6 25. Rf1 Bf3 26. Qf2 Qg5+ 27. Qg3 Qxg3+ 28. hxg3 Ne6 29. Rxf3+ Ke7 30. Bc4 Ng5 31. Rf5 d3 32. Rxg5 d2 33. Bb3 Kf6 34. Rg4 Rd8 35. Rf4+ Ke5 36. Bd1 Rd3 37. Rf3 Rd7 38. Kf2 Ke4 39. Ke2 Rg7 40. Bc2+ Kd4 41. Kxd2 b6 42. cxb6 axb6 43. Rf4+ Ke5 44. Re4+ Kd5 45. g4 b5 46. Ke3 Ra7 47. Rd4+ Ke5 48. Rd3 Rf7 49. Rc3 Rg7 50. g5 Ra7 51. g6 Rg7 52. Rxc6 Ra7 53. Rc5+ Kf6 54. Rf5+ Ke6 55. Rxb5 Rxa3+ 56. Bd3 Kf6 57. Rb7 Ra1 58. Rf7+ Ke5 59. g7 Rg1 60. Bc4 Rg3+ 61. Kf2 Rg5 62. Kf3 Rg6 63. Rb7 Rf6+ 64. Ke3 Rh6 65. Rb5+ Kd6 66. g8Q Rh3+ 67. Kf4 Rh4+ 68. Kg5 Rd4 69. Qd8+ Kc6 70. Qb6+ Kd7 71. Qxd4+ 1-0

[Event "North American op 25th"]
[Site "Stillwater"]
[Date "2006.05.28"]
[Round "5"]
[White "Cohen, Lawrence S"]
[Black "Schuller, John J"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "2047"]
[PlyCount "81"]
[EventDate "2006.05.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "CBM 112 Extra"]
[Source "ChessBase"]
[SourceDate "2006.07.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.07.14"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 c6 3. Bg2 d5 4. cxd5 cxd5 5. d4 Nc6 6. Nc3 e6 7. Nf3 Bd7 8. 0-0 a6 9. Ne5 b5 10. a3 Qb6 11. Nxd7 Nxd7 12. e4 Nxd4 13. exd5 Rd8 14. Be3 e5 15. Re1 Be7 16. Na2 a5 17. Rc1 Kf8 18. Rc6 Nxc6 19. Bxb6 Nxb6 20. dxc6 Rxd1 21. Rxd1 g6 22. c7 Kg7 23. Bb7 Nc8 24. Nc3 b4 25. axb4 axb4 26. Nd5 Bd6 27. Bxc8 Rxc8 28. b3 Rxc7 29. Nxc7 Bxc7 30. Rc1 Bd6 31. Rc6 Be7 32. f3 f5 33. Kf2 g5 34. Ke2 h5 35. h3 Bf8 36. Re6 Kf7 37. Rxe5 Kf6 38. Rb5 Bd6 39. g4 hxg4 40. hxg4 fxg4 41. fxg4 1-0

[Event "North American op 25th"]
[Site "Stillwater"]
[Date "2006.05.27"]
[Round "3"]
[White "Cohen, Lawrence S"]
[Black "Stepp, Robert V"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "2047"]
[PlyCount "71"]
[EventDate "2006.05.27"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "CBM 112 Extra"]
[Source "ChessBase"]
[SourceDate "2006.07.14"]
[SourceVersion "1"]
[SourceVersionDate "2006.07.14"]
[SourceQuality "1"]

1. c4 d6 2. Nc3 e5 3. g3 f5 4. Bg2 Nf6 5. e3 Be7 6. Nge2 0-0 7. 0-0 c6 8. d4 e4 9. d5 Na6 10. f3 exf3 11. Bxf3 Nc5 12. dxc6 Nfe4 13. cxb7 Bxb7 14. Nd5 Bxd5 15. Qxd5+ Kh8 16. b4 Bf6 17. Rb1 Rb8 18. Ba3 Na4 19. Bxe4 fxe4 20. b5 Qb6 21. Rb3 Nc5 22. Bxc5 dxc5 23. Qxe4 Rfe8 24. Qg4 Rbd8 25. Nf4 Qb7 26. Nd5 Be5 27. Qf5 Bd6 28. Rd3 Qb8 29. e4 Be5 30. Rdf3 Bd6 31. Nf6 gxf6 32. Qxf6+ Kg8 33. Qg5+ Kh8 34. Rf7 Bf8 35. Rxh7+ Kxh7 36. Rf7+ 1-0

[Event "Reno Far West op"]
[Site "Reno"]
[Date "2004.04.11"]
[Round "5"]
[White "Cohen, Lawrence S"]
[Black "Gray, Grover"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2000"]
[BlackElo "1960"]
[PlyCount "109"]
[EventDate "2004.04.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Bg2 Bc5 4. Nc3 d6 5. e3 Nge7 6. Nge2 Bf5 7. d3 Qc8 8. a3 a5 9. h3 h6 10. b3 0-0 11. g4 Bd7 12. e4 Nd4 13. Ng3 Ng6 14. Nf5 Bxf5 15. exf5 Nh4 16. Be4 Qd8 17. Rb1 c6 18. b4 axb4 19. axb4 Bb6 20. 0-0 Qd7 21. Kh2 Bd8 22. f4 exf4 23. Bxf4 Bg5 24. Rb2 Ra3 25. Bxg5 hxg5 26. Qd2 f6 27. Nb1 Ra1 28. Qe3 c5 29. bxc5 dxc5 30. Bxb7 Re8 31. Bd5+ Kh8 32. Qf2 Qd6+ 33. Kg1 Qe5 34. Be4 Kh7 35. Kh1 Re7 36. Qh2 Qxh2+ 37. Kxh2 Rea7 38. Rff2 R1a5 39. Nc3 Re7 40. Nb5 Rxe4 41. dxe4 Nhf3+ 42. Kg3 Ne5 43. Nxd4 cxd4 44. Ra2 Rc5 45. Rfc2 d3 46. Rc3 Kg8 47. Kf2 Kf7 48. Ra7+ Kg8 49. Ke3 Nxc4+ 50. Kxd3 Ne5+ 51. Kc2 Rb5 52. Rc8+ Kh7 53. Rcc7 Rb4 54. Rxg7+ Kh8 55. Rgb7 1-0

[Event "Reno Far West op"]
[Site "Reno"]
[Date "2004.04.11"]
[Round "6"]
[White "Cohen, Lawrence S"]
[Black "Simms, Gary M"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "2000"]
[BlackElo "2200"]
[PlyCount "71"]
[EventDate "2004.04.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. c4 Nc6 2. g3 g6 3. Nc3 Bg7 4. Bg2 d6 5. e3 e5 6. Nge2 Bg4 7. 0-0 Nge7 8. h3 Be6 9. b3 0-0 10. Ba3 f5 11. Rc1 e4 12. d4 Bf7 13. Qd2 g5 14. f3 exf3 15. Bxf3 Qd7 16. Bg2 Rae8 17. d5 Ne5 18. Nd4 Kh8 19. Bb2 Bg8 20. Nce2 Rf6 21. Rf2 Ref8 22. Rcf1 h6 23. Nf3 N7g6 24. Nh2 h5 25. e4 f4 26. gxf4 gxf4 27. Nd4 Bh6 28. Qd1 f3 29. Nhxf3 Be3 30. Nf5 Rxf5 31. exf5 Qxf5 32. Qe2 Bxf2+ 33. Qxf2 Bh7 34. Qxa7 Nf4 35. Nxe5 dxe5 36. Qe3 1-0

[Event "Reno Far West op"]
[Site "Reno"]
[Date "2004.04.10"]
[Round "3"]
[White "Cohen, Lawrence S"]
[Black "Fairbairn, Stephen"]
[Result "1/2-1/2"]
[ECO "A25"]
[WhiteElo "2000"]
[BlackElo "1945"]
[PlyCount "59"]
[EventDate "2004.04.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 d6 3. g3 Bg7 4. Bg2 Nc6 5. e3 e5 6. Nge2 f5 7. d3 Nf6 8. 0-0 0-0 9. Nd5 Ne7 10. Nxf6+ Bxf6 11. Nc3 c6 12. e4 Bg7 13. Bg5 h6 14. Bxe7 Qxe7 15. Qd2 f4 16. f3 h5 17. Ne2 g5 18. Rad1 Be6 19. h3 g4 20. Kh2 fxg3+ 21. Kxg3 h4+ 22. Kh2 g3+ 23. Kh1 Kh7 24. Ng1 Bh6 25. Qe2 c5 26. b3 Rf6 27. Rb1 a5 28. a3 Rff8 29. Rb2 Qd7 30. a4 1/2-1/2

[Event "Reno Far West op"]
[Site "Reno"]
[Date "2004.04.10"]
[Round "4"]
[White "MacKenzie, Dana N"]
[Black "Cohen, Lawrence S"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2126"]
[BlackElo "2000"]
[PlyCount "83"]
[EventDate "2004.04.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. Nc3 Ne7 4. d4 c6 5. Bd3 b6 6. 0-0 Ba6 7. Re1 Bxd3 8. Qxd3 a6 9. Ng5 h6 10. Qh3 Qd7 11. f4 Ng6 12. Nxf7 Nxf4 13. Bxf4 Kxf7 14. Na4 e5 15. Nxb6 Qxh3 16. gxh3 Ra7 17. Bxe5 Nd7 18. Nxd7 Rxd7 19. exd5 cxd5 20. Re2 Kg6 21. Bg3 Rb7 22. c3 Be7 23. Rg2 Kh7 24. Be5 Bg5 25. Re2 Re8 26. Kg2 Re6 27. Rc2 Rg6 28. Kf3 Rf7+ 29. Ke2 Bh4 30. Rh1 Rg2+ 31. Kd1 Rff2 32. Rxf2 Bxf2 33. Rf1 Be3 34. Rf7 Kg8 35. Rb7 g5 36. a4 Rd2+ 37. Ke1 Rc2 38. a5 Bc1 39. Kd1 Rxb2 40. Rg7+ Kf8 41. Kxc1 Rxh2 42. Bxh2 1-0

[Event "Reno Far West op"]
[Site "Reno"]
[Date "2004.04.09"]
[Round "2"]
[White "De Guzman, Ricardo"]
[Black "Cohen, Lawrence S"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2521"]
[BlackElo "2000"]
[PlyCount "33"]
[EventDate "2004.04.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 Nf6 3. Bg5 Be7 4. Nbd2 b6 5. e4 Bb7 6. Bxf6 Bxf6 7. c3 c5 8. dxc5 bxc5 9. e5 Be7 10. Bd3 f5 11. exf6 Bxf6 12. Qc2 g6 13. h4 d5 14. 0-0-0 c4 15. Nxc4 dxc4 16. Bxg6+ hxg6 17. Qxg6+ 1-0

[Event "Reno Far West op"]
[Site "Reno"]
[Date "2004.04.09"]
[Round "1"]
[White "Langer, Mikhail"]
[Black "Cohen, Lawrence S"]
[Result "1/2-1/2"]
[ECO "C03"]
[WhiteElo "2298"]
[BlackElo "2000"]
[PlyCount "65"]
[EventDate "2004.04.09"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2009"]
[Source "ChessBase"]
[SourceDate "2008.11.26"]
[SourceVersion "1"]
[SourceVersionDate "2008.11.26"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Ne7 4. Bd3 b6 5. c3 c6 6. Ne2 a5 7. 0-0 g6 8. Nf3 Bg7 9. Bf4 Ba6 10. Re1 Bxd3 11. Qxd3 dxe4 12. Qxe4 0-0 13. Be5 Nd7 14. Bxg7 Kxg7 15. Ne5 Nf6 16. Qf3 Rc8 17. Nf4 Ned5 18. Nxf7 Kxf7 19. Nxe6 Qd6 20. c4 Nc7 21. Nxf8 Rxf8 22. Re2 Ne6 23. Rae1 Nxd4 24. Re7+ Kg8 25. Qh3 Qc5 26. b3 Nf5 27. R7e6 Ng7 28. R6e5 Qd4 29. Qe3 Qh4 30. Qg3 Qd4 31. Qe3 Qh4 32. Qg3 Qd4 33. Qe3 1/2-1/2

[Event "US Open-101"]
[Site "Saint Paul"]
[Date "2000.08.13"]
[Round "9"]
[White "Cohen, Lawrence S"]
[Black "Dean, Jim H"]
[Result "0-1"]
[ECO "A34"]
[BlackElo "2271"]
[PlyCount "84"]
[EventDate "2000.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 c5 3. Nc3 d5 4. cxd5 Nxd5 5. Bg2 Nc7 6. Nf3 Nc6 7. d3 e5 8. 0-0 Be7 9. Be3 Bd7 10. Rc1 Rc8 11. Nd2 0-0 12. Nc4 f6 13. Nd5 Ne6 14. Nxe7+ Qxe7 15. Bd5 Kh8 16. a3 b6 17. Bd2 Ned4 18. e3 Ne6 19. h4 Rfd8 20. Be4 Nf8 21. Qf3 Be8 22. g4 Nb8 23. Qe2 Bc6 24. b4 Ne6 25. bxc5 Nxc5 26. Bb4 Nba6 27. Bf5 Bd7 28. Nxe5 Bxf5 29. d4 Nxb4 30. axb4 fxe5 31. gxf5 Ne4 32. d5 Qxh4 33. Rxc8 Rxc8 34. Qa6 Qg4+ 35. Kh2 Rf8 36. Qxa7 Ng5 37. f4 Qh3+ 38. Kg1 Qxe3+ 39. Kg2 exf4 40. d6 Qg3+ 41. Kh1 f3 42. Qe7 Qg2# 0-1

[Event "US Open-101"]
[Site "Saint Paul"]
[Date "2000.08.09"]
[Round "5"]
[White "Bereolos, Peter"]
[Black "Cohen, Lawrence S"]
[Result "1-0"]
[ECO "D90"]
[WhiteElo "2308"]
[PlyCount "57"]
[EventDate "2000.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 g6 5. cxd5 Nxd5 6. e4 Nc7 7. Be3 Bg7 8. h3 b6 9. Qd2 h5 10. Rc1 Ba6 11. Bxa6 Nbxa6 12. 0-0 Qd7 13. Rfd1 0-0 14. Bh6 Kh7 15. Bxg7 Kxg7 16. Ne5 Qe6 17. Ne2 c5 18. Nf4 Qd6 19. Nxh5+ Kh7 20. Ng3 Nb5 21. Ng4 Nxd4 22. Qh6+ Kg8 23. e5 Qe6 24. Rxd4 cxd4 25. Ne4 f6 26. Qxg6+ Kh8 27. Ng5 Qg8 28. Qh6+ Qh7 29. Qxh7# 1-0

[Event "US Open-101"]
[Site "Saint Paul"]
[Date "2000.08.06"]
[Round "2"]
[White "Cohen, Lawrence S"]
[Black "Kaufman, Larry C"]
[Result "0-1"]
[ECO "A23"]
[BlackElo "2397"]
[PlyCount "84"]
[EventDate "2000.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. Nc3 d5 5. cxd5 cxd5 6. Qb3 e4 7. e3 Na6 8. d4 Nb4 9. Bf1 Be7 10. a3 Nd3+ 11. Bxd3 exd3 12. Qb5+ Bd7 13. Qxd3 0-0 14. f3 Re8 15. Nge2 Bf8 16. 0-0 Bc6 17. b4 a6 18. Bd2 Qd7 19. g4 h6 20. Be1 Rac8 21. Bh4 Be7 22. Bf2 b5 23. Ng3 Bb7 24. Rac1 Rc4 25. h3 Nh7 26. Kg2 Ng5 27. Rfd1 Rec8 28. Nge2 a5 29. Na2 axb4 30. Nxb4 Bxb4 31. axb4 Rxb4 32. Rb1 Rbc4 33. Be1 h5 34. Bb4 R8c6 35. Nf4 hxg4 36. hxg4 Ra6 37. Rb2 Bc8 38. Qe2 f5 39. Nd3 fxg4 40. Ne5 gxf3+ 41. Qxf3 Nxf3 42. Nxd7 Nh4+ 0-1

[Event "Mid America op"]
[Site "Chicago"]
[Date "1994.??.??"]
[Round "1"]
[White "Bisguier, Arthur Bernard"]
[Black "Cohen, Lawrence S"]
[Result "1-0"]
[ECO "E70"]
[WhiteElo "2370"]
[PlyCount "63"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. Bg5 Bg7 5. e4 Nbd7 6. Bd3 c5 7. d5 Ne5 8. Be2 Bg4 9. Bxf6 Bxe2 10. Qa4+ b5 11. Qxb5+ Kf8 12. Bxg7+ Kxg7 13. Ngxe2 Rb8 14. Qa6 Nd3+ 15. Kf1 Nxb2 16. h4 Qb6 17. Qxb6 axb6 18. Nb5 Nxc4 19. Nec3 Ra8 20. Ke2 Na3 21. Kd3 c4+ 22. Kd2 Nxb5 23. Nxb5 Ra5 24. Rhb1 Rha8 25. Nc3 R5a6 26. Rb4 Rc8 27. Rab1 f5 28. exf5 gxf5 29. Rxb6 Ra3 30. Rc6 Rca8 31. Rxc4 R8a5 32. Rb3 1-0

[Event "Mid America op"]
[Site "Chicago"]
[Date "1994.??.??"]
[Round "2"]
[White "Cohen, Lawrence S"]
[Black "Zingheim, Scott"]
[Result "1-0"]
[ECO "A21"]
[PlyCount "89"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. c4 e5 2. g3 d6 3. Nc3 g6 4. Bg2 Bg7 5. b4 f5 6. e3 Nf6 7. d4 0-0 8. Nge2 c6 9. 0-0 Be6 10. d5 cxd5 11. cxd5 Bf7 12. e4 Na6 13. Rb1 h6 14. Be3 Nc7 15. Qd2 Ng4 16. Rbd1 Ne8 17. Qd3 Nxe3 18. fxe3 fxe4 19. Bxe4 Qg5 20. Kg2 h5 21. h4 Qh6 22. Bf3 Nf6 23. Ne4 Nxe4 24. Bxe4 Be8 25. Rxf8+ Bxf8 26. Rc1 Qg7 27. Ng1 a5 28. b5 a4 29. b6 Rd8 30. Nf3 Be7 31. Rc7 Rd7 32. Qc2 g5 33. hxg5 Bxg5 34. Bf5 Re7 35. Be6+ Kh8 36. Nxg5 Qxg5 37. Qf5 Qg7 38. Rc8 Qh6 39. Bd7 Kg7 40. Rxe8 Rf7 41. Qe4 Rxd7 42. Re6 Qg5 43. Qxa4 Rf7 44. Qe4 Rd7 45. Qh4 1-0

