[Event "London Chess Classic op 10th"]
[Site "London"]
[Date "2018.12.13"]
[Round "5"]
[White "Bynnersley, Anthony"]
[Black "Vaughan, John"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1506"]
[BlackElo "1543"]
[PlyCount "72"]
[EventDate "2018.12.09"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 Bd7 7. Be2 Nc6 8. 0-0 Rc8 9. Nxc6 Rxc6 10. Be3 g6 11. Qd2 h5 12. f3 Bg7 13. a5 Qc8 14. Bd3 Be6 15. Qe2 Nd7 16. Nd1 Ne5 17. Bd4 0-0 18. Ne3 Nxf3+ 19. Rxf3 Bxd4 20. c3 Ba7 21. Kh1 Qc7 22. Nd5 Bxd5 23. exd5 Rc5 24. c4 Qd8 25. b4 Rc8 26. Re1 Re8 27. Qe4 e5 28. Rxf7 Qg5 29. Ref1 Rf8 30. Rxf8+ Rxf8 31. Rxf8+ Kxf8 32. h4 Qc1+ 33. Kh2 Qg1+ 34. Kh3 Qh1+ 35. Kg3 Bg1 36. Kf3 Qh2 0-1

[Event "London Chess Classic op 10th"]
[Site "London"]
[Date "2018.12.12"]
[Round "4"]
[White "Vaughan, John"]
[Black "Thornton, Joseph"]
[Result "0-1"]
[ECO "A52"]
[WhiteElo "1543"]
[PlyCount "82"]
[EventDate "2018.12.09"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e5 3. dxe5 Ng4 4. Nf3 Nc6 5. Bf4 Bb4+ 6. Nbd2 Qe7 7. a3 Ngxe5 8. Nxe5 Nxe5 9. e3 Bxd2+ 10. Qxd2 d6 11. Be2 0-0 12. 0-0 b6 13. Bg3 Bb7 14. f4 Nd7 15. b4 Nf6 16. Bh4 Rfe8 17. Bf3 Bxf3 18. Rxf3 Qe6 19. Bxf6 Qxf6 20. Re1 a5 21. b5 Re4 22. Qd3 Rae8 23. Rh3 h6 24. Kf2 Qe6 25. Rf3 Qxc4 26. Qb1 Qe6 27. h3 d5 28. f5 Qd7 29. Rf4 Qd6 30. Rxe4 Rxe4 31. Rd1 Qxa3 32. Rd3 Qc5 33. Qb3 d4 34. g4 dxe3+ 35. Rxe3 Qxe3+ 36. Qxe3 Rxe3 37. Kxe3 Kf8 38. Kd4 Ke7 39. h4 Kd6 40. g5 hxg5 41. hxg5 c6 0-1

[Event "London Chess Classic op 10th"]
[Site "London"]
[Date "2018.12.11"]
[Round "3"]
[White "Farahi Far, Mohammad"]
[Black "Vaughan, John"]
[Result "0-1"]
[ECO "A18"]
[BlackElo "1543"]
[PlyCount "114"]
[EventDate "2018.12.09"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 d6 4. Nf3 Nbd7 5. h3 c5 6. d3 g6 7. Be2 Bg7 8. Be3 a6 9. Qd2 h5 10. 0-0 b6 11. Bf4 Qc7 12. a3 Bb7 13. Rfe1 Ne5 14. Nxe5 dxe5 15. Be3 0-0-0 16. Bg5 Rd7 17. f3 Ng8 18. Bd1 f6 19. Be3 Ne7 20. Ba4 Bc6 21. Bc2 f5 22. b4 Rd4 23. Bxd4 exd4 24. Ne2 Bh6 25. Qd1 Be3+ 26. Kh1 fxe4 27. dxe4 Rd8 28. g3 Bf2 29. Rf1 Bxg3 30. Nxg3 Qxg3 31. Qe2 Qxh3+ 32. Qh2 Qxh2+ 33. Kxh2 g5 34. Rg1 Rg8 35. Raf1 e5 36. Rg3 Bd7 37. Rfg1 g4 38. fxg4 hxg4 39. Bd1 cxb4 40. Bxg4 Bxg4 41. Rxg4 Rxg4 42. Rxg4 Nc6 43. Rg3 Kc7 44. Kh3 Kd6 45. axb4 Nxb4 46. Rg6+ Kc5 47. Kg4 a5 48. Kf3 a4 49. Ke2 a3 50. Kd2 a2 51. Rg1 Kxc4 52. Rc1+ Kb3 53. Ra1 Kb2 54. Rxa2+ Nxa2 55. Kd3 b5 56. Kd2 Nc3 57. Ke1 Kc2 0-1

[Event "London Chess Classic op 10th"]
[Site "London"]
[Date "2018.12.10"]
[Round "2"]
[White "Rahman, Yad"]
[Black "Vaughan, John"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "1264"]
[BlackElo "1543"]
[PlyCount "62"]
[EventDate "2018.12.09"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. e3 Bf5 5. cxd5 cxd5 6. Qb3 Qd7 7. Bb5 Nc6 8. Nf3 a6 9. Be2 h6 10. 0-0 e6 11. a3 Bd6 12. h3 0-0 13. Bd2 b5 14. Rac1 Rfc8 15. Rfd1 Rab8 16. Na2 Ne4 17. Nb4 Nxd2 18. Nxd2 Nxb4 19. axb4 Qe7 20. Nf3 f6 21. Qa3 Qb7 22. Rxc8+ Rxc8 23. Ra1 Qb6 24. Nh4 Bh7 25. Nf3 Rc6 26. Ne1 Qc7 27. b3 Qe7 28. Bxb5 Bxb4 29. Qa4 Rc3 30. Bxa6 Bd6 31. Bb5 Bg6 1/2-1/2

[Event "London Chess Classic op 10th"]
[Site "London"]
[Date "2018.12.09"]
[Round "1"]
[White "Vaughan, John"]
[Black "Moir, Donald"]
[Result "0-1"]
[ECO "A96"]
[WhiteElo "1543"]
[BlackElo "1187"]
[PlyCount "130"]
[EventDate "2018.12.09"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. Nf3 d6 5. g3 Be7 6. Bg2 0-0 7. 0-0 Re8 8. Qc2 d5 9. cxd5 exd5 10. Ne5 Bd6 11. Nb5 c6 12. Nxd6 Qxd6 13. Nd3 Qe7 14. Re1 Ne4 15. f3 Nd6 16. b3 Nd7 17. Ba3 Qf6 18. e3 Nb5 19. Bb2 Nd6 20. Rac1 Qh6 21. Kh1 Rxe3 22. Rxe3 Qxe3 23. Re1 Qg5 24. Nc5 Nf8 25. Ba3 Qf6 26. Qf2 Bd7 27. Nxd7 Nxd7 28. Bh3 g6 29. Qd2 Kf7 30. Qb4 Re8 31. Rxe8 Nxe8 32. Qxb7 Qe6 33. Bb4 Nef6 34. Bg2 Qe2 35. h3 Qxa2 36. Bc5 a5 37. Qxc6 Qxb3 38. f4 Qxg3 39. Bxd5+ Kg7 40. Bg2 Qe1+ 41. Kh2 Qh4 42. Qf3 Ng4+ 43. Kg1 Qe1+ 44. Bf1 Ne3 45. Bd6 Qxf1+ 46. Qxf1 Nxf1 47. Kxf1 Kf6 48. d5 a4 49. Ba3 Nb6 50. d6 Ke6 51. Ke2 Nc4 52. d7 Kxd7 53. Bb4 Kc6 54. Kd3 Kd5 55. Bc3 a3 56. h4 a2 57. Bf6 Nd6 58. Kc2 Ke4 59. Kb2 Kxf4 60. Kxa2 Ne4 61. Be7 Kg3 62. Kb2 f4 63. Kc2 f3 64. Kd3 f2 65. Ke2 Kg2 0-1

[Event "London Classic op U1750 9th"]
[Site "London"]
[Date "2017.12.08"]
[Round "5"]
[White "Vaughan, John"]
[Black "Lohia, Sohum"]
[Result "1/2-1/2"]
[ECO "D52"]
[WhiteElo "1564"]
[BlackElo "1251"]
[PlyCount "70"]
[EventDate "2017.12.04"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 c6 6. e3 Qa5 7. a3 Ne4 8. Qc2 Nxg5 9. Nxg5 dxc4 10. Nge4 b5 11. g3 Bb7 12. Bg2 b4 13. Qa4 Qxa4 14. Nxa4 bxa3 15. bxa3 Rc8 16. Nec5 Nxc5 17. Nxc5 Bxc5 18. dxc5 Ke7 19. Rc1 Ba6 20. 0-0 Rhd8 21. Rfd1 Rd3 22. Bf1 Rxa3 23. Ra1 Rxa1 24. Rxa1 Bb7 25. Rxa7 Rc7 26. Bxc4 Kd7 27. f4 Bc8 28. Rxc7+ Kxc7 29. Kf2 Kd7 30. e4 Ke7 31. Ke3 f6 32. Kd4 h6 33. e5 f5 34. Bb3 Bd7 35. Kc3 Kd8 1/2-1/2

[Event "London Classic op U1750 9th"]
[Site "London"]
[Date "2017.12.07"]
[Round "4"]
[White "Tournier, Patrice"]
[Black "Vaughan, John"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1138"]
[BlackElo "1564"]
[PlyCount "104"]
[EventDate "2017.12.04"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. Bd3 c5 4. c3 Nc6 5. f4 Bg4 6. Nf3 e6 7. Nbd2 g6 8. 0-0 Bf5 9. Bb5 a6 10. Bxc6+ bxc6 11. Ne5 Rc8 12. Qa4 Qb6 13. Nb3 Qb5 14. Qxb5 cxb5 15. Nd2 cxd4 16. exd4 h5 17. Ndf3 Ng4 18. a3 f6 19. Nxg4 hxg4 20. Nd2 Rc7 21. g3 Rch7 22. Rf2 Bd6 23. Nf1 Kd7 24. Ne3 g5 25. Nxf5 exf5 26. b4 Rh5 27. Raa2 Re8 28. fxg5 Re1+ 29. Rf1 Rxf1+ 30. Kxf1 fxg5 31. Kg1 f4 32. gxf4 gxf4 33. Bd2 Ke6 34. Be1 Rh3 35. a4 Re3 36. Kf2 Rh3 37. Kg1 g3 38. axb5 axb5 39. Rc2 Rxh2 40. Rxh2 gxh2+ 41. Kxh2 f3+ 42. Kg1 Kf5 43. Bh4 Ke4 44. Bd8 Bf4 45. Bb6 Bd2 46. Kf2 Bxc3 47. Bc5 Bxd4+ 48. Bxd4 Kxd4 49. Kxf3 Kc3 50. Ke3 d4+ 51. Ke2 Kc2 52. Ke1 d3 0-1

[Event "London Classic op U1750 9th"]
[Site "London"]
[Date "2017.12.06"]
[Round "3"]
[White "Vaughan, John"]
[Black "Smith, Michael J"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "1564"]
[BlackElo "1300"]
[PlyCount "51"]
[EventDate "2017.12.04"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 Nd7 5. Bf4 Ngf6 6. h3 Be7 7. e3 0-0 8. Bd3 c5 9. 0-0 Nb6 10. b3 Bd6 11. Bxd6 Qxd6 12. Nb5 Qe7 13. Qc2 g6 14. Rfe1 a6 15. Nc3 Nbd7 16. e4 dxe4 17. Nxe4 b6 18. d5 exd5 19. cxd5 Nxd5 20. Nc3 Qd6 21. Nxd5 Nf6 22. Ne7+ Kg7 23. Rad1 Bxh3 24. gxh3 Nh5 25. Bxg6 Qf4 26. Bxh5 1-0

[Event "London Classic op U1750 9th"]
[Site "London"]
[Date "2017.12.05"]
[Round "2"]
[White "Mospan, Edward"]
[Black "Vaughan, John"]
[Result "1/2-1/2"]
[ECO "A16"]
[WhiteElo "1274"]
[BlackElo "1564"]
[PlyCount "144"]
[EventDate "2017.12.04"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c6 3. g3 d5 4. cxd5 cxd5 5. e3 e5 6. Bg2 Nc6 7. Nge2 Be6 8. d4 e4 9. 0-0 Qd7 10. a3 Bh3 11. Nf4 Bxg2 12. Nxg2 Bd6 13. Bd2 0-0 14. f3 Rad8 15. Nb5 Bb8 16. Nc3 h5 17. fxe4 dxe4 18. Rxf6 gxf6 19. Nxe4 Qf5 20. Nf2 Rfe8 21. Nh4 Qh7 22. Qf3 Rd6 23. Rc1 Kh8 24. Rc5 Ne5 25. Qe2 Rc6 26. Rxc6 Nxc6 27. Bc3 Bc7 28. Qb5 Rxe3 29. Nf5 Rf3 30. Nh4 Bxg3 31. Nxf3 Bxf2+ 32. Kxf2 Qc2+ 33. Qe2 Qf5 34. Qd2 Kg7 35. b4 a6 36. a4 Ne7 37. Bb2 Nd5 38. Bc1 Kg8 39. Qe1 Qc2+ 40. Qd2 Qxa4 41. Qh6 Qc2+ 42. Kg3 Qg6+ 43. Kf2 Qc2+ 44. Bd2 Qg6 45. h4 Qxh6 46. Bxh6 Nxb4 47. Bd2 Nd5 48. Ne1 Kh7 49. Nd3 b6 50. Nb2 Kg6 51. Kf3 Kf5 52. Nc4 a5 53. Nd6+ Ke6 54. Nb7 a4 55. Ke4 f5+ 56. Kd3 a3 57. Bc1 a2 58. Bb2 f4 59. Ke4 f5+ 60. Kf3 Nb4 61. Nd8+ Kd5 62. Ke2 Nc2 63. Kf3 a1Q 64. Bxa1 Nxa1 65. Kxf4 b5 66. Kxf5 b4 67. Ne6 b3 68. Nc5 b2 69. Na4 Nc2 70. Nxb2 Nxd4+ 71. Kg6 Nf3 72. Kxh5 Nxh4 1/2-1/2

[Event "London Classic op U1750 9th"]
[Site "London"]
[Date "2017.12.04"]
[Round "1"]
[White "Vaughan, John"]
[Black "Fava, Lorenzo"]
[Result "0-1"]
[ECO "E21"]
[WhiteElo "1564"]
[BlackElo "1219"]
[PlyCount "102"]
[EventDate "2017.12.04"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "CBM 182 Extra"]
[Source "ChessBase"]
[SourceDate "2018.02.23"]
[SourceVersion "1"]
[SourceVersionDate "2018.02.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Nf3 Bxc3+ 5. bxc3 c5 6. d5 d6 7. Bg5 e5 8. Qc2 Bg4 9. Nd2 Nbd7 10. e3 Qa5 11. Bd3 0-0 12. h3 Bh5 13. 0-0 a6 14. Rab1 Rab8 15. a4 Bg6 16. Bxg6 hxg6 17. e4 b5 18. axb5 axb5 19. cxb5 Rxb5 20. Nc4 Qa6 21. Ra1 Qb7 22. f3 Qc7 23. Ra6 Nb6 24. Nxb6 Rxb6 25. Rxb6 Qxb6 26. Rb1 Qa6 27. c4 Nd7 28. Rb5 Qa1+ 29. Kh2 f6 30. Rb7 Rd8 31. Bd2 Qa8 32. Qb3 Rb8 33. Rb5 Qa7 34. Ba5 Kf7 35. Kg3 Ke7 36. Kf2 f5 37. g3 Qxa5 38. Rxb8 Qd2+ 39. Kf1 Nxb8 40. Qxb8 Qc1+ 41. Kf2 Qc2+ 42. Ke1 Qc3+ 43. Kd1 Qd4+ 44. Ke1 Qe3+ 45. Kd1 Qxf3+ 46. Kc1 Qe3+ 47. Kd1 Qd3+ 48. Kc1 Qxc4+ 49. Kd2 Qb4+ 50. Qxb4 cxb4 51. exf5 gxf5 0-1

[Event "World op 37th"]
[Site "Philadelphia"]
[Date "2009.07.05"]
[Round "8"]
[White "Vaughan, John"]
[Black "Campiz Jimenez, Leonardo"]
[Result "1/2-1/2"]
[ECO "A30"]
[BlackElo "2082"]
[PlyCount "38"]
[EventDate "2009.06.29"]
[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. c4 e6 2. Nf3 Nf6 3. g3 b6 4. Bg2 Bb7 5. 0-0 c5 6. b3 Be7 7. Bb2 0-0 8. e3 d6 9. Qc2 Nbd7 10. d4 cxd4 11. exd4 Re8 12. Nbd2 Bf8 13. Rfe1 Qc7 14. Rad1 g6 15. Rc1 Bg7 16. h3 Rad8 17. a3 Qb8 18. b4 Rc8 19. Qd3 Qa8 1/2-1/2

[Event "World op 37th"]
[Site "Philadelphia"]
[Date "2009.07.04"]
[Round "7"]
[White "Privman, Boris"]
[Black "Vaughan, John"]
[Result "1-0"]
[ECO "E85"]
[WhiteElo "2172"]
[PlyCount "91"]
[EventDate "2009.06.29"]
[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. d4 Nf6 2. c4 g6 3. f3 Bg7 4. e4 d6 5. Nc3 Nc6 6. Be3 0-0 7. Nge2 e5 8. d5 Ne7 9. Qd2 Nh5 10. g4 Nf4 11. Nxf4 exf4 12. Bxf4 f5 13. Be2 Rf7 14. Bg3 Bd7 15. 0-0-0 a6 16. Kb1 Qb8 17. c5 b5 18. c6 b4 19. Na4 Be8 20. Rc1 Nc8 21. Bc4 a5 22. Qd3 f4 23. Bf2 Re7 24. Ba6 Nb6 25. Nxb6 cxb6 26. Bb7 Rxb7 27. cxb7 Qxb7 28. Bd4 Bf8 29. Rc2 Rb8 30. Rhc1 Ra8 31. Rc7 Qb8 32. h4 Qd8 33. g5 Bd7 34. Qd2 Rc8 35. Rxc8 Bxc8 36. Qxf4 Ba6 37. Qe3 Qd7 38. Bxb6 Qb5 39. Bd4 a4 40. b3 Be7 41. Qd2 Bd8 42. bxa4 Qxa4 43. Bb2 b3 44. a3 Qb5 45. Qc3 Kf8 46. Qh8+ 1-0

[Event "World op 37th"]
[Site "Philadelphia"]
[Date "2009.07.04"]
[Round "6"]
[White "Vaughan, John"]
[Black "Gittrich, Dennis"]
[Result "1-0"]
[ECO "E40"]
[PlyCount "79"]
[EventDate "2009.06.29"]
[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. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Ne4 5. Qc2 f5 6. Bd3 d5 7. Nh3 0-0 8. 0-0 Nxc3 9. bxc3 Bd6 10. cxd5 exd5 11. c4 dxc4 12. Bxc4+ Kh8 13. Bd2 Nc6 14. a3 f4 15. Nxf4 Bxf4 16. exf4 Nxd4 17. Qb2 c5 18. Be3 Qf6 19. Kh1 Bd7 20. Bd5 Bc6 21. Bxc6 bxc6 22. Rac1 Rab8 23. Qa2 Ne6 24. Rc2 Nxf4 25. Rxc5 Rb2 26. Qc4 Nd5 27. Bd4 Qf4 28. Bxb2 Qxc4 29. Rxc4 Ne3 30. Rcc1 Nxf1 31. Rxf1 Rb8 32. Bd4 Rb3 33. Ra1 a6 34. g3 Kg8 35. Kg2 Kf7 36. h4 g6 37. a4 Ke6 38. Be3 Rb7 39. Rc1 Kd5 40. Rc5+ 1-0

[Event "World op 37th"]
[Site "Philadelphia"]
[Date "2009.07.03"]
[Round "5"]
[White "Deshpande, Aniruddha"]
[Black "Vaughan, John"]
[Result "1-0"]
[ECO "E48"]
[WhiteElo "2211"]
[PlyCount "101"]
[EventDate "2009.06.29"]
[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. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. Nge2 c5 7. 0-0 cxd4 8. exd4 dxc4 9. Bxc4 Nbd7 10. Qb3 Be7 11. d5 exd5 12. Nxd5 Nxd5 13. Bxd5 Nf6 14. Bf3 h6 15. Be3 Bd6 16. Rfd1 Qe7 17. Rac1 Re8 18. Nc3 Bg4 19. Qxb7 Bxf3 20. Qxf3 Rab8 21. b3 Ba3 22. Rb1 a5 23. h3 Bb4 24. Nd5 Nxd5 25. Rxd5 Rbd8 26. Rbd1 Rxd5 27. Qxd5 Rc8 28. Qf5 Rd8 29. Rc1 Qd7 30. Qxd7 Rxd7 31. Kf1 f5 32. Ke2 g5 33. Rc4 Kf7 34. Rc2 Kf6 35. Bd2 Re7+ 36. Kf3 Re4 37. Rc6+ Kg7 38. Bxb4 axb4 39. Rc4 Re1 40. Rxb4 Ra1 41. a4 Ra3 42. g3 Kf6 43. Kg2 Ke5 44. Rb5+ Ke4 45. a5 f4 46. Rb4+ Ke5 47. gxf4+ gxf4 48. Ra4 Rxb3 49. a6 Rb8 50. a7 Ra8 51. Ra5+ 1-0

[Event "World op 37th"]
[Site "Philadelphia"]
[Date "2009.07.02"]
[Round "4"]
[White "Vaughan, John"]
[Black "Bradford, Joseph M"]
[Result "0-1"]
[ECO "A36"]
[BlackElo "2419"]
[PlyCount "110"]
[EventDate "2009.06.29"]
[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. c4 c5 2. g3 g6 3. Bg2 Bg7 4. e3 Nc6 5. Ne2 e5 6. Nbc3 Nge7 7. 0-0 0-0 8. d3 Rb8 9. Nd5 d6 10. Nec3 a6 11. Rb1 b5 12. b3 Be6 13. Bb2 Qd7 14. Qd2 Bh3 15. f4 Bxg2 16. Qxg2 f5 17. Nxe7+ Nxe7 18. Nd5 Rf7 19. Bc3 Qb7 20. b4 Nxd5 21. cxd5 exf4 22. Bxg7 Rxg7 23. Rxf4 cxb4 24. Rfxb4 Qa7 25. Qf2 Qc5 26. e4 fxe4 27. dxe4 Rf8 28. Qxc5 dxc5 29. R4b2 Re7 30. Re2 Rfe8 31. Rbe1 Re5 32. Kf2 Kf7 33. Kf3 Ke7 34. Ke3 Kd6 35. Kd3 Rf8 36. Re3 Re7 37. R1e2 Ke5 38. Kd2 Rf6 39. Ra3 Ref7 40. h3 c4 41. g4 Rb6 42. Kc2 Rf4 43. Rae3 b4 44. Kb2 a5 45. Kc2 Rb8 46. Rd2 Rd8 47. Rde2 Rd7 48. Kd2 Rf1 49. Re1 Rxe1 50. Kxe1 Kd4 51. Re2 a4 52. Kd2 b3 53. Kc1 c3 54. e5 Kxd5 55. e6 Re7 0-1

[Event "World op 37th"]
[Site "Philadelphia"]
[Date "2009.07.01"]
[Round "3"]
[White "Potkin, Vladimir"]
[Black "Vaughan, John"]
[Result "1-0"]
[ECO "A58"]
[WhiteElo "2621"]
[PlyCount "87"]
[EventDate "2009.06.29"]
[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. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. Nf3 g6 8. g3 Bg7 9. Bg2 0-0 10. 0-0 Nbd7 11. Qc2 Qb6 12. Rd1 Rfc8 13. h3 Qb7 14. Rb1 Rab8 15. b3 Qa8 16. e4 Qa7 17. Be3 Qc7 18. a4 Rb4 19. Bd2 Qb8 20. Re1 c4 21. bxc4 Bxc4 22. Rxb4 Qxb4 23. Nb5 Qb3 24. Qxb3 Bxb3 25. a5 Nc5 26. Nfd4 Bc4 27. Na7 Ra8 28. Nac6 Kf8 29. f3 h6 30. Bf1 Bxf1 31. Kxf1 Nfd7 32. Rb1 e6 33. Nb5 exd5 34. exd5 Ne5 35. Nxe5 Bxe5 36. f4 Ne4 37. Be1 Bg7 38. Ke2 f5 39. Nc7 Rc8 40. a6 Rxc7 41. Rb8+ Ke7 42. Rb7 Kd7 43. Ba5 Nc3+ 44. Kd3 1-0

[Event "World op 37th"]
[Site "Philadelphia"]
[Date "2009.07.01"]
[Round "2"]
[White "Vaughan, John"]
[Black "Najer, Evgeniy"]
[Result "0-1"]
[ECO "A25"]
[BlackElo "2669"]
[PlyCount "60"]
[EventDate "2009.06.29"]
[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. c4 e5 2. g3 Nc6 3. Bg2 f5 4. e3 Nf6 5. Nc3 d5 6. cxd5 Nb4 7. d3 Nfxd5 8. Nge2 Nxc3 9. Nxc3 Nxd3+ 10. Ke2 e4 11. Nxe4 fxe4 12. Bxe4 Nxc1+ 13. Qxc1 c6 14. Qc4 Qf6 15. Rhd1 Be7 16. Rd4 Rf8 17. f4 Be6 18. Qa4 g6 19. Rad1 Kf7 20. Bf3 Rfd8 21. Qc2 Rxd4 22. Rxd4 Rd8 23. Rxd8 Bxd8 24. a3 Bb6 25. h4 Qe7 26. h5 Qc5 27. Qd2 gxh5 28. Kf2 h4 29. gxh4 Qe7 30. Kg3 Bf5 0-1

[Event "Foxwoods op"]
[Site "Ledyard"]
[Date "2009.04.12"]
[Round "8"]
[White "Vaughan, John"]
[Black "Kudryavtsev, Vadim"]
[Result "0-1"]
[ECO "A36"]
[BlackElo "2165"]
[PlyCount "42"]
[EventDate "2009.04.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. e4 c5 6. Nge2 Nc6 7. 0-0 d6 8. d3 Ne8 9. Be3 Nc7 10. f4 Ne6 11. f5 Ned4 12. g4 Rb8 13. Ng3 b5 14. Qd2 bxc4 15. dxc4 Ne5 16. b3 Nxg4 17. Bf4 e5 18. fxe6 Nxe6 19. Qxd6 Nxf4 20. Qxb8 Bd4+ 21. Kh1 Qh4 0-1

[Event "Nashua op"]
[Site "Nashua"]
[Date "2009.03.29"]
[Round "5"]
[White "Ma, Kevin"]
[Black "Vaughan, John"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "1746"]
[PlyCount "82"]
[EventDate "2009.03.28"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Bd3 Be7 7. e5 Nd5 8. c3 d6 9. exd6 Bxd6 10. Qe2+ Be6 11. Bf5 0-0 12. Bxe6 Re8 13. 0-0 Rxe6 14. Qd3 Qh4 15. g3 Qh3 16. Bd2 Rae8 17. c4 Bf4 18. Qf3 Rf6 19. cxd5 Bxd2 20. Qg2 Qh6 21. Nxd2 Qxd2 22. dxc6 Qxb2 23. Qd5 Qb6 24. Rae1 Rf8 25. Rc1 Rd6 26. Qe4 g6 27. Rfd1 Rfd8 28. Rxd6 Rxd6 29. Qc2 h5 30. Qc3 a5 31. Qc2 Rf6 32. Kg2 Kg7 33. Kg1 Qd4 34. Qe2 Qd5 35. Qc2 Qf3 36. Qc4 h4 37. Qc2 h3 38. Kf1 Qg2+ 39. Ke1 Qxh2 40. Qd2 Qg1+ 41. Ke2 Rxf2+ 0-1

[Event "Nashua op"]
[Site "Nashua"]
[Date "2009.03.29"]
[Round "4"]
[White "Vaughan, John"]
[Black "O'Callaghan, Sean"]
[Result "1-0"]
[ECO "B14"]
[PlyCount "53"]
[EventDate "2009.03.28"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 c5 3. cxd5 Nf6 4. Nc3 Nxd5 5. e3 cxd4 6. exd4 e6 7. Nf3 g6 8. Bc4 Nxc3 9. bxc3 Bg7 10. 0-0 0-0 11. Qe2 Re8 12. Bf4 a6 13. a4 Nc6 14. Rfe1 Bd7 15. Qb2 Na5 16. Bf1 f6 17. c4 Bc6 18. Nd2 b6 19. Be3 Ra7 20. d5 exd5 21. cxd5 Bxd5 22. Qxb6 Qxb6 23. Bxb6 Rae7 24. Rxe7 Rxe7 25. Bxa5 f5 26. Rb1 Bc4 27. Nxc4 1-0

[Event "Nashua op"]
[Site "Nashua"]
[Date "2009.03.28"]
[Round "2"]
[White "McDermott, Kerry"]
[Black "Vaughan, John"]
[Result "1-0"]
[ECO "C77"]
[PlyCount "61"]
[EventDate "2009.03.28"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Qe2 b5 6. Bb3 Bc5 7. a4 b4 8. c3 0-0 9. 0-0 d6 10. a5 bxc3 11. bxc3 Bg4 12. d3 h6 13. Be3 Bxe3 14. fxe3 Qb8 15. Nbd2 Qa7 16. h3 Be6 17. Nh4 Kh7 18. Nf5 Rab8 19. Bc4 Rb2 20. Qe1 d5 21. exd5 Nxd5 22. Bxd5 Bxd5 23. c4 Be6 24. Ne4 Bxf5 25. Rxf5 f6 26. Qg3 Ne7 27. Rf3 f5 28. Qxe5 Re2 29. Qxe7 Rxe3 30. Ng5+ hxg5 31. Qxe3 1-0

[Event "Nashua op"]
[Site "Nashua"]
[Date "2009.03.28"]
[Round "1"]
[White "Vaughan, John"]
[Black "Kelleher, William"]
[Result "0-1"]
[ECO "A12"]
[BlackElo "2366"]
[PlyCount "60"]
[EventDate "2009.03.28"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "CBM 129 Extra"]
[Source "ChessBase"]
[SourceDate "2009.05.05"]
[SourceVersion "2"]
[SourceVersionDate "2009.05.20"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 d5 3. b3 Nf6 4. Bb2 Bf5 5. g3 e6 6. Bg2 h6 7. 0-0 Be7 8. d3 0-0 9. Nbd2 a5 10. a3 Nbd7 11. Qc2 Bh7 12. Rac1 Qb8 13. Qb1 Re8 14. Qa1 Bd6 15. c5 Bc7 16. d4 e5 17. dxe5 Nxe5 18. Nxe5 Bxe5 19. Nf3 Bxb2 20. Qxb2 Qa7 21. e3 Ne4 22. Qd4 Qa6 23. Rfe1 Qb5 24. b4 axb4 25. Bf1 Qa4 26. axb4 Qb3 27. Rb1 Qc3 28. Rec1 Qxd4 29. Nxd4 Ra2 30. Be2 Nc3 0-1

[Event "John Curdo op"]
[Site "Billerica"]
[Date "1999.02.14"]
[Round "3"]
[White "Vaughan, John"]
[Black "Curdo, John"]
[Result "0-1"]
[ECO "A21"]
[WhiteElo "1939"]
[BlackElo "2412"]
[PlyCount "88"]
[EventDate "1999.02.??"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. c4 f5 2. Nc3 Nf6 3. g3 d6 4. Bg2 e5 5. e3 Be7 6. Nge2 0-0 7. 0-0 c6 8. d4 Na6 9. b3 e4 10. d5 c5 11. f3 exf3 12. Bxf3 Qe8 13. Nf4 Nc7 14. Qd3 Rb8 15. Bb2 Nd7 16. Bg2 Ne5 17. Qe2 Bf6 18. Rae1 Bd7 19. Nh5 Be7 20. Nd1 b5 21. e4 bxc4 22. Bxe5 dxe5 23. bxc4 g6 24. exf5 gxh5 25. Qxe5 Bd8 26. Qd6 Qf7 27. Nf2 Rb6 28. Qxc5 Ne8 29. Nd3 Rf6 30. Qd4 Rxf5 31. Qxa7 Rxf1+ 32. Rxf1 Bf5 33. Qd4 Qg7 34. Qxg7+ Kxg7 35. Nf4 Bb6+ 36. Kh1 Nf6 37. h3 Rc8 38. Kh2 Rxc4 39. Nxh5+ Nxh5 40. Rxf5 Kg6 41. Rf3 Bc7 42. Rd3 Bd6 43. Re3 Kg5 44. Be4 Nxg3 0-1

[Event "Greater Boston op 65th"]
[Site "Boston"]
[Date "1998.??.??"]
[Round "4"]
[White "Haririan, Bijan"]
[Black "Vaughan, John"]
[Result "1-0"]
[ECO "A07"]
[PlyCount "83"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. d3 h6 5. 0-0 e6 6. c4 Na6 7. cxd5 exd5 8. Nc3 Be7 9. Qa4+ c6 10. Nd4 Bd7 11. Qd1 0-0 12. e4 dxe4 13. dxe4 Bg4 14. f3 Bh5 15. Kh1 Qa5 16. Qe1 Nb4 17. Bd2 Qd8 18. Nce2 a5 19. a3 Nd3 20. Qb1 Ne5 21. Bf4 Ned7 22. Nf5 Bc5 23. Rd1 Re8 24. Qc2 Bg6 25. Bh3 Qb6 26. Rac1 Bf8 27. Nd6 Ne5 28. Nxe8 Rxe8 29. Bxe5 Rxe5 30. Nf4 Bh7 31. Qc3 Rb5 32. Rd2 Rc5 33. Qxc5 Bxc5 34. Rxc5 Bxe4 35. Rc3 Bh7 36. Rb3 Qc7 37. Rxb7 Qe5 38. Rd8+ Ne8 39. Rbb8 Kf8 40. Rxe8+ Qxe8 41. Rxe8+ Kxe8 42. Kg1 1-0

[Event "Greater Boston op 65th"]
[Site "Boston"]
[Date "1998.??.??"]
[Round "1"]
[White "Terrie, Henry L"]
[Black "Vaughan, John"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "2155"]
[PlyCount "85"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. d3 Bb4 5. Bd2 0-0 6. g3 d5 7. cxd5 Nxd5 8. Bg2 Nde7 9. 0-0 Kh8 10. a3 Ba5 11. b4 Bb6 12. b5 Nd4 13. Nxe5 f6 14. Nf3 c6 15. Nxd4 Bxd4 16. bxc6 Nxc6 17. e3 Bb6 18. d4 Rb8 19. Nd5 Ba5 20. Bxa5 Qxa5 21. Nf4 Rd8 22. Qb3 Bf5 23. Rfc1 Qd2 24. Rc5 Na5 25. Qb4 Qxb4 26. axb4 Nb3 27. Rxa7 Nxc5 28. bxc5 g5 29. Nd5 Ra8 30. Rxa8 Rxa8 31. h3 Kg7 32. g4 Ra1+ 33. Kh2 Bd3 34. Nb6 Ba6 35. Be4 h6 36. d5 Kf7 37. d6 Rc1 38. Nd7 Bb5 39. Bd5+ Kg7 40. Nb6 Bc6 41. d7 Bxd7 42. Nxd7 Rd1 43. e4 1-0

[Event "Greater Boston op 65th"]
[Site "Boston"]
[Date "1998.??.??"]
[Round "2"]
[White "Vaughan, John"]
[Black "Tylevich, David"]
[Result "0-1"]
[ECO "A25"]
[PlyCount "86"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 e5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Ne7 5. e3 0-0 6. Nge2 d6 7. 0-0 Nbc6 8. d4 exd4 9. exd4 Nf5 10. d5 Ne5 11. b3 a5 12. Bb2 Nd7 13. Qd2 Nc5 14. Rad1 Bd7 15. Ne4 Nxe4 16. Bxe4 b6 17. Bg2 Re8 18. Nc3 Qf6 19. Ba1 Nd4 20. f3 Qd8 21. Ne4 Nf5 22. f4 Nh6 23. Bxg7 Kxg7 24. Rde1 f6 25. h3 Ng8 26. g4 h6 27. Qc3 Kh7 28. a3 f5 29. Nf2 Qf6 30. Qd2 Qg7 31. Re6 Rad8 32. Re2 Rxe2 33. Qxe2 Qd4 34. Qf3 Re8 35. Qg3 Qe3 36. Qxe3 Rxe3 37. Rb1 Nf6 38. gxf5 gxf5 39. a4 Nh5 40. Bf1 Nxf4 41. Nd1 Rf3 42. Bg2 Rg3 43. Rb2 Nxg2 0-1

