[Event "Newport op"]
[Site "Newport"]
[Date "2015.06.14"]
[Round "3"]
[White "Vaughn, Michael"]
[Black "Wade, Chris H"]
[Result "0-1"]
[ECO "A49"]
[PlyCount "44"]
[EventDate "2015.06.13"]
[EventType "swiss"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 c5 5. e3 Na6 6. 0-0 d5 7. c4 0-0 8. Nbd2 Bf5 9. Re1 Nb4 10. e4 dxe4 11. Nh4 cxd4 12. Nxe4 Nxe4 13. Nxf5 gxf5 14. a3 Nc6 15. g4 Nf6 16. g5 Ng4 17. h3 Nge5 18. f4 Nxc4 19. Qd3 Nd6 20. h4 Re8 21. h5 Qa5 22. Bd2 Qb5 0-1

[Event "Newport op"]
[Site "Newport"]
[Date "2015.06.13"]
[Round "2"]
[White "Grabinsky, Joshua"]
[Black "Vaughn, Michael"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1634"]
[PlyCount "84"]
[EventDate "2015.06.13"]
[EventType "swiss"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 d5 3. exd5 Qxd5 4. c3 e5 5. dxe5 Qxd1+ 6. Kxd1 Nxe5 7. Bf4 Bd6 8. Nf3 Bg4 9. Be2 0-0-0 10. Bxe5 Bxe5+ 11. Kc2 Bf5+ 12. Kb3 Bf6 13. Bc4 Ne7 14. Bxf7 Rhf8 15. Bc4 Nc6 16. Nbd2 Na5+ 17. Ka3 Nxc4+ 18. Nxc4 Rd3 19. Rhe1 Rfd8 20. Ne3 Be6 21. Rad1 Be7+ 22. Ka4 Bd7+ 23. Kb3 Be6+ 24. Kc2 Rxd1 25. Rxd1 Rxd1 26. Nxd1 c5 27. Ne3 Bf6 28. b3 g6 29. Nd2 Be7 30. Kd3 b5 31. c4 a6 32. Ke4 Bf6 33. h3 Bc3 34. Nf3 h6 35. g4 g5 36. Ne5 Bd4 37. f3 Kc7 38. cxb5 axb5 39. Nf5 Bxf5+ 40. gxf5 Bxe5 41. Kxe5 c4 42. bxc4 bxc4 1-0

[Event "Oregon op"]
[Site "Portland"]
[Date "1996.??.??"]
[Round "1"]
[White "Goshen, Matthew"]
[Black "Vaughn, Michael"]
[Result "1-0"]
[ECO "C56"]
[PlyCount "117"]
[EventDate "1996.08.31"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Bc4 Nc6 4. d4 exd4 5. 0-0 d6 6. Nxd4 Ne5 7. Bb3 Bd7 8. f4 Nc6 9. Nc3 Be7 10. a3 0-0 11. h3 Qc8 12. Be3 Nxd4 13. Bxd4 Be6 14. Nd5 Bxd5 15. exd5 Re8 16. Qf3 c5 17. dxc6 bxc6 18. Bc3 d5 19. Rae1 Bc5+ 20. Kh1 Ne4 21. Be5 Re6 22. Rxe4 dxe4 23. Qxe4 Rh6 24. f5 Qe8 25. Qf4 Rh5 26. Rf3 Rd8 27. c3 Qd7 28. Rg3 Bd6 29. Bxd6 Qxd6 30. Qg4 Qh6 31. f6 Qc1+ 32. Kh2 Qh6 33. fxg7 Qg6 34. Qe2 Rg5 35. Qe7 Rxg3 36. Bxf7+ Qxf7 37. Qxd8+ Kxg7 38. Qd4+ Kg8 39. Kxg3 Qc7+ 40. Qf4 Qb7 41. b4 Qb5 42. c4 Qa4 43. Qe3 a5 44. Qg5+ Kf7 45. Qxa5 Qb3+ 46. Kh2 Qxc4 47. Qf5+ Ke8 48. Qf6 h5 49. Qg6+ Kd8 50. Qxh5 Qf4+ 51. Kg1 Qe3+ 52. Kf1 Qxa3 53. Qd1+ Kc7 54. Qd4 Qc1+ 55. Kf2 Qc2+ 56. Kf3 Qb3+ 57. Qe3 Qd1+ 58. Kg3 Qd6+ 59. Qf4 1-0

[Event "Washington op-B"]
[Site "Seattle"]
[Date "1995.??.??"]
[Round "1"]
[White "Carson, Phillip"]
[Black "Vaughn, Michael"]
[Result "1/2-1/2"]
[ECO "C30"]
[PlyCount "70"]
[EventDate "1995.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 Nc6 2. Nc3 e5 3. f4 Bc5 4. Nf3 d6 5. Bc4 Nf6 6. d3 Bg4 7. h3 Bxf3 8. Qxf3 Nd4 9. Qg3 0-0 10. f5 c6 11. Rf1 d5 12. Bb3 Re8 13. Bh6 Bf8 14. Bg5 Nxb3 15. axb3 d4 16. Ne2 a5 17. h4 Qd6 18. Bxf6 Qxf6 19. Qh3 Be7 20. h5 Qh4+ 21. Kd1 Qxh3 22. gxh3 h6 23. c3 dxc3 24. bxc3 b5 25. Kc2 Red8 26. d4 Bf6 27. Rfd1 b4 28. dxe5 Bxe5 29. Rxd8+ Rxd8 30. Rxa5 Bc7 31. Rc5 Bb6 32. Rxc6 Be3 33. Nd4 bxc3 34. Nb5 Rd2+ 35. Kxc3 Rh2 1/2-1/2

[Event "Washington op-B"]
[Site "Seattle"]
[Date "1995.??.??"]
[Round "3"]
[White "Reynolds, Garrett"]
[Black "Vaughn, Michael"]
[Result "1/2-1/2"]
[ECO "B01"]
[PlyCount "69"]
[EventDate "1995.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 d5 3. exd5 Qxd5 4. Nc3 Qa5 5. d4 Nf6 6. Bb5 Bd7 7. 0-0 a6 8. Ba4 h6 9. a3 e6 10. h3 Bd6 11. Be3 0-0 12. Qd3 Qh5 13. Ne2 Rad8 14. c4 e5 15. Ng3 Qg6 16. Qxg6 fxg6 17. Bb3 Kh7 18. c5 exd4 19. Nxd4 Nxd4 20. Bxd4 Bxg3 21. fxg3 Bb5 22. Rfd1 Ne4 23. Be5 Nxc5 24. Bc2 Rxd1+ 25. Rxd1 Rf7 26. b4 Re7 27. Re1 Nd7 28. Bc3 Rxe1+ 29. Bxe1 b6 30. Kf2 Bc6 31. Bd2 Nf6 32. Bf4 Be4 33. Bxe4 Nxe4+ 34. Kf3 Nc3 35. Bxc7 1/2-1/2

[Event "US Open-96"]
[Site "Concord"]
[Date "1995.??.??"]
[Round "3"]
[White "Vaughn, Michael"]
[Black "Fernandez, John C"]
[Result "1/2-1/2"]
[ECO "A47"]
[PlyCount "120"]
[EventDate "1995.08.06"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b6 3. Bf4 Bb7 4. Nbd2 h6 5. e3 e6 6. Bd3 c5 7. 0-0 Be7 8. h3 0-0 9. Qe2 d5 10. Ne5 c4 11. Bg6 fxg6 12. Nxg6 Rf7 13. Nf3 Nh7 14. Nfe5 Rf6 15. g4 Qe8 16. Nxe7+ Qxe7 17. Bg3 c3 18. Bh4 g5 19. Bg3 Ba6 20. Nd3 cxb2 21. Rab1 Nc6 22. Qd2 e5 23. dxe5 Nxe5 24. Bxe5 Rf3 25. Bg3 Bb7 26. Rxb2 Qe4 27. Rb4 d4 28. Kh2 Rxf2+ 29. Qxf2 Rf8 30. Bf4 gxf4 31. Rxd4 Qc6 32. Rxf4 Qd6 33. Qg3 Rc8 34. Ne1 Qd5 35. Rd4 Qe6 36. a4 Re8 37. Ng2 Ng5 38. Qd6 Nf3+ 39. Rxf3 Bxf3 40. Qxe6+ Rxe6 41. Rd8+ Kf7 42. Rd7+ Re7 43. Rxe7+ Kxe7 44. Ne1 Bc6 45. a5 bxa5 46. Kg3 Kf6 47. Kf4 a4 48. c3 Bd5 49. Nc2 Bb3 50. Na3 Be6 51. e4 Bd7 52. h4 Kg6 53. h5+ Kf6 54. c4 Bc6 55. c5 Ke6 56. Ke3 Ke5 57. Nc4+ Ke6 58. Kd4 Bd7 59. g5 hxg5 60. h6 Kf6 1/2-1/2

[Event "Washington op-B"]
[Site "Seattle"]
[Date "1995.??.??"]
[Round "5"]
[White "Vaughn, Michael"]
[Black "Healy, John"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "65"]
[EventDate "1995.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. Nbd2 c5 5. e3 Nc6 6. c3 cxd4 7. exd4 Bd6 8. Ne5 0-0 9. Bd3 Qc7 10. Qe2 Ne7 11. 0-0 Ng6 12. Bg3 a6 13. a4 Bd7 14. Kh1 b5 15. a5 Rac8 16. h4 Ne7 17. h5 Nf5 18. Bf4 Rfe8 19. g4 Ne7 20. g5 Ne4 21. Nxe4 dxe4 22. Bxe4 Bc6 23. f3 Bd5 24. g6 hxg6 25. hxg6 f5 26. Bxd5 exd5 27. Qh2 Nxg6 28. Nxg6 Bxf4 29. Qxf4 Qxf4 30. Nxf4 Kf7 31. Rae1 Rh8+ 32. Kg2 Rh4 33. Nxd5 1-0

[Event "Washington op-B"]
[Site "Seattle"]
[Date "1995.??.??"]
[Round "2"]
[White "Vaughn, Michael"]
[Black "Koons, Nathaniel"]
[Result "1/2-1/2"]
[ECO "A45"]
[PlyCount "95"]
[EventDate "1995.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nd2 d5 3. f4 g6 4. Ngf3 Bg7 5. Ne5 0-0 6. e3 c6 7. Bd3 Nbd7 8. 0-0 Ne8 9. b3 Nd6 10. Bb2 Nf6 11. Qf3 Bf5 12. Bxf5 Nxf5 13. g4 Nd6 14. f5 Qc8 15. Ba3 Re8 16. fxg6 fxg6 17. Rae1 Qe6 18. Re2 Rf8 19. Qg2 Nfe4 20. Ndf3 Nc3 21. Ree1 Nce4 22. Bxd6 exd6 23. Nd3 g5 24. Kh1 h6 25. Nb2 b5 26. Nd3 a5 27. h4 Qg6 28. Nf2 gxh4 29. Nxh4 Nxf2+ 30. Rxf2 Rxf2 31. Nxg6 Rxg2 32. Kxg2 Re8 33. Kf3 Bxd4 34. Re2 Bg7 35. Nh4 Rf8+ 36. Nf5 h5 37. Rh2 hxg4+ 38. Kxg4 Re8 39. Rh5 Be5 40. Rg5+ Kf7 41. Nh6+ Ke6 42. Rg6+ Kd7 43. Nf5 c5 44. Rh6 Kc6 45. Rh7 Bf6 46. Rf7 Re4+ 47. Kf3 Bd8 48. Rf8 1/2-1/2

[Event "Washington op-B"]
[Site "Seattle"]
[Date "1995.??.??"]
[Round "6"]
[White "Vaughn, Michael"]
[Black "McNall, Kent"]
[Result "1-0"]
[ECO "A48"]
[PlyCount "63"]
[EventDate "1995.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 c5 4. e3 Bg7 5. Be2 0-0 6. 0-0 cxd4 7. exd4 d6 8. h3 Nd5 9. Bh2 Nc6 10. c4 Nf6 11. Nc3 Bf5 12. d5 Nb4 13. Nd4 Qc8 14. a3 Na6 15. b4 Bd7 16. Qd3 Rd8 17. Rac1 Bf5 18. Qe3 e5 19. dxe6 fxe6 20. g4 e5 21. gxf5 exd4 22. Qxd4 Qxf5 23. Bg4 Nxg4 24. Qxg4 Qxg4+ 25. hxg4 Rac8 26. Nd5 Rd7 27. Bxd6 Kf7 28. c5 Bb2 29. Rb1 Bxa3 30. Rb3 Bc1 31. Rf3+ Ke6 32. Ne7 1-0

[Event "Washington op-B"]
[Site "Seattle"]
[Date "1995.??.??"]
[Round "7"]
[White "Zurybida, Paul"]
[Black "Vaughn, Michael"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "94"]
[EventDate "1995.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 d5 3. exd5 Qxd5 4. Nc3 Qa5 5. d4 Bg4 6. Bb5 0-0-0 7. Bxc6 bxc6 8. Qd3 c5 9. d5 Be6 10. Bd2 c6 11. 0-0 cxd5 12. Nxd5 Qa4 13. c4 Nf6 14. Rfc1 Qa6 15. Qe3 Bxd5 16. cxd5 e6 17. dxe6 Qxe6 18. b4 Qxe3 19. Bxe3 Ne4 20. bxc5 Rd5 21. c6 Bc5 22. Rab1 Rhd8 23. g3 Ba3 24. Bf4 R8d6 25. Bxd6 Rxd6 26. Rc4 f5 27. c7 Bc5 28. Rb5 Bxf2+ 29. Kg2 Bb6 30. Rxf5 Nf6 31. Ng5 h6 32. Ne4 Re6 33. Nxf6 gxf6 34. Rd5 Bxc7 35. Rdc5 Re7 36. Kf3 Kd8 37. Rxc7 Rxc7 38. Rxc7 Kxc7 39. Kg4 Kc6 40. Kf5 Kb5 41. Kxf6 Ka4 42. Kg6 Ka3 43. Kxh6 Kxa2 44. g4 a5 45. g5 a4 46. g6 a3 47. g7 Kb1 1-0

[Event "Seattle op-A"]
[Site "Seattle"]
[Date "1994.??.??"]
[Round "2"]
[White "Akin, Marc"]
[Black "Vaughn, Michael"]
[Result "1-0"]
[ECO "B44"]
[PlyCount "101"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. a3 Bc5 6. Nb3 Bb6 7. Be2 Nf6 8. Nc3 0-0 9. 0-0 d5 10. exd5 Nxd5 11. Ne4 Qc7 12. c4 Nf4 13. c5 Ba5 14. Nxa5 Nxa5 15. Bf3 Ng6 16. b4 Nc4 17. Qc2 Nce5 18. Be2 a5 19. b5 f5 20. b6 Qc6 21. Nd6 Nd7 22. Be3 Nxb6 23. Bb5 Qc7 24. Nxc8 Raxc8 25. Qb3 Nd5 26. Bc4 Rfd8 27. Rfd1 f4 28. Bxd5 exd5 29. Bd4 Ne7 30. Rab1 Rd7 31. Qh3 Nc6 32. Qe6+ Kh8 33. h4 Rcd8 34. h5 Re7 35. Qf5 Rf7 36. Qg5 Qe7 37. Qxe7 Rxe7 38. h6 Nxd4 39. hxg7+ Kxg7 40. Rxd4 Rf7 41. Rb5 Kg6 42. Rxa5 Kf5 43. f3 Rg7 44. Rd2 Re7 45. Rb5 Rdd7 46. a4 Re5 47. Rb4 h5 48. Rdd4 Rc7 49. Rxf4+ Kg5 50. Rfd4 Rxc5 51. f4+ 1-0

[Event "Seattle op-A"]
[Site "Seattle"]
[Date "1994.??.??"]
[Round "7"]
[White "Hollingsworth, Terry"]
[Black "Vaughn, Michael"]
[Result "1-0"]
[ECO "B45"]
[PlyCount "53"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 e6 5. Nc3 Bc5 6. Be3 Qe7 7. Ncb5 d5 8. Nxc6 bxc6 9. Bxc5 Qxc5 10. Nc7+ Kf8 11. Nxa8 Qb4+ 12. c3 Qxe4+ 13. Qe2 Qf4 14. Qe3 Qb8 15. Qc5+ Ne7 16. Qa5 f6 17. 0-0-0 Bd7 18. Nc7 Kf7 19. Na6 Qf4+ 20. Rd2 Rc8 21. Qb4 Qh6 22. Nc5 Be8 23. Ba6 Rd8 24. Re1 e5 25. f4 d4 26. g3 Kg8 27. Ne6 1-0

[Event "Seattle op-A"]
[Site "Seattle"]
[Date "1994.??.??"]
[Round "1"]
[White "Vaughn, Michael"]
[Black "Lee, Mau Seng"]
[Result "1-0"]
[ECO "A45"]
[PlyCount "67"]
[EventDate "1994.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 b6 3. f4 Bb7 4. Nf3 d6 5. Nbd2 e6 6. Bd3 Be7 7. 0-0 Nbd7 8. Qe2 0-0 9. b3 c5 10. Bb2 Rc8 11. f5 cxd4 12. fxe6 fxe6 13. Ng5 Nc5 14. exd4 Nxd3 15. Qxd3 Rf7 16. Nxf7 Kxf7 17. Qxh7 Qc7 18. c4 Rg8 19. Rae1 Qc8 20. Ne4 Bxe4 21. Qxe4 Rh8 22. d5 e5 23. Bc1 Kg8 24. Qg6 Qc5+ 25. Be3 Qa5 26. Re2 Qc3 27. g4 Rh3 28. Rc1 Qb4 29. Bd2 Qc5+ 30. Kg2 Rh4 31. h3 Qd4 32. Be3 Qe4+ 33. Qxe4 Nxe4 34. Bxb6 1-0

[Event "NWC op 10"]
[Site "Seattle"]
[Date "1993.??.??"]
[Round "?"]
[White "Harmon, Clark R"]
[Black "Vaughn, Michael"]
[Result "0-1"]
[ECO "A84"]
[WhiteElo "2235"]
[PlyCount "114"]
[EventDate "1993.12.??"]
[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 e6 3. Nc3 c6 4. e3 f5 5. g3 Nf6 6. cxd5 exd5 7. Bg2 Bd6 8. Nge2 0-0 9. 0-0 Ne4 10. f3 Ng5 11. Rb1 Qe7 12. a3 a5 13. Bd2 b5 14. Qc1 b4 15. axb4 axb4 16. Nd1 Ba6 17. Rf2 Ne6 18. Ra1 Qb7 19. b3 Nd7 20. Nb2 Rfc8 21. Qb1 g6 22. g4 f4 23. Na4 c5 24. dxc5 Ndxc5 25. exf4 Nxa4 26. Rxa4 Bc5 27. f5 Bxe2 28. Rxa8 Rxa8 29. fxe6 Bd4 30. Qe1 Ra1 31. Qxa1 Bxa1 32. Rxe2 Bf6 33. f4 Kf8 34. f5 Qb6+ 35. Kf1 gxf5 36. gxf5 Qb5 37. Bf3 Be7 38. Bh5 Qd3 39. Bh6+ Kg8 40. Bg4 Qd1+ 41. Kg2 Qd4 42. h3 Qf6 43. Bf4 h5 44. Bxh5 Qxf5 45. Bf7+ Kh7 46. Bg3 d4 47. h4 d3 48. Re5 Qg4 49. Bh5 Qd4 50. Bd1 d2 51. Kh2 Bd6 52. Rh5+ Kg6 53. Rg5+ Kf6 54. Bxd6 Qxh4+ 55. Kg2 Qxg5+ 56. Kf2 Qf5+ 57. Ke2 Qxe6+ 0-1

[Event "NWC August op"]
[Site "Seattle"]
[Date "1990.??.??"]
[Round "?"]
[White "Paulson, Karl"]
[Black "Vaughn, Michael"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "41"]
[EventDate "1990.08.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. e4 Nc6 2. Nf3 d5 3. exd5 Qxd5 4. Nc3 Qa5 5. d4 Nf6 6. Bd3 Bg4 7. h3 Qh5 8. Be2 0-0-0 9. 0-0 Bxh3 10. gxh3 Qxh3 11. Ng5 Qh4 12. d5 Ne5 13. Qe1 Nfg4 14. Bf4 h6 15. Nf3 Nxf3+ 16. Bxf3 Rd6 17. Bg3 Qh5 18. Qe4 Rg6 19. d6 c6 20. dxe7 Bxe7 21. Qxe7 1-0

[Event "USA corr"]
[Site "USA"]
[Date "1989.??.??"]
[Round "?"]
[White "Vaughn, Michael"]
[Black "Rittenhouse, Robert"]
[Result "1-0"]
[ECO "C40"]
[PlyCount "77"]
[EventDate "1989.??.??"]
[EventType "tourn (corr)"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d5 3. d4 dxe4 4. Nxe5 Bd6 5. Bc4 Bxe5 6. Qh5 Qxd4 7. Qxf7+ Kd8 8. Qf8+ Kd7 9. Bxg8 g6 10. 0-0 Qd6 11. Qf7+ Qe7 12. Rd1+ Bd6 13. Nc3 Nc6 14. Nxe4 Qxf7 15. Bxf7 Ke7 16. Nxd6 cxd6 17. Bb3 Bg4 18. f3 Be6 19. Bf4 Bxb3 20. Bxd6+ Ke6 21. axb3 Rad8 22. Bc5 b6 23. Rxd8 Rxd8 24. Be3 Rd7 25. Re1 Kf5 26. Kf2 Nb4 27. Re2 g5 28. g4+ Kg6 29. f4 gxf4 30. Bxf4 Nd5 31. Re6+ Kf7 32. Rd6 Rxd6 33. Bxd6 Ke6 34. Bb8 a6 35. c4 Nf6 36. Kf3 Nd7 37. Ba7 Kd6 38. b4 Kc6 39. c5 1-0

[Event "Vancouver Keres Memorial 11th"]
[Site "Vancouver"]
[Date "1986.05.18"]
[Round "4"]
[White "Joyner, Lionel"]
[Black "Vaughn, Michael"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "2330"]
[BlackElo "1764"]
[PlyCount "115"]
[EventDate "1986.05.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 d6 3. g3 Bg4 4. Bg2 e5 5. Nc3 Nc6 6. 0-0 Qd7 7. d4 Bxf3 8. Bxf3 Nxd4 9. Bxb7 Rb8 10. Bg2 Be7 11. e3 Ne6 12. b3 0-0 13. Bb2 Ng5 14. f4 exf4 15. exf4 Ne6 16. Re1 Rfe8 17. Bh3 c6 18. Qd2 d5 19. cxd5 Bc5+ 20. Kh1 cxd5 21. Na4 Bb4 22. Bc3 a5 23. Bxb4 Rxb4 24. Nc5 Qc6 25. Nxe6 fxe6 26. Rac1 Qb6 27. Bg2 Ng4 28. h3 Nf2+ 29. Kh2 Qd4 30. Qxd4 Rxd4 31. Rc7 Rd2 32. a4 Nd3 33. Re3 e5 34. fxe5 Nxe5 35. Kg1 Kf8 36. Kf1 Rd3 37. Rxd3 Nxd3 38. Bxd5 Re1+ 39. Kg2 Re7 40. Rc8+ Re8 41. Rxe8+ Kxe8 42. Be4 Nc5 43. Bxh7 Nxb3 44. Kf3 Kf7 45. Bd3 Kf6 46. h4 Nc5 47. Bb5 Ke5 48. Kg4 Kf6 49. Kf4 g6 50. g4 Ne6+ 51. Ke4 g5 52. h5 Nc5+ 53. Kd5 Ne6 54. Kc6 Nd4+ 55. Kb6 Ke5 56. Kxa5 Nb3+ 57. Kb6 Kf4 58. h6 1-0

[Event "Northwest Chess May op"]
[Site "Seattle"]
[Date "1985.05.??"]
[Round "?"]
[White "Plesko, Janos"]
[Black "Vaughn, Michael"]
[Result "1-0"]
[ECO "A33"]
[PlyCount "63"]
[EventDate "1985.05.??"]
[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 Nf6 2. Nc3 c5 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Na3 Be7 10. g3 Be6 11. Bg2 Rc8 12. b3 0-0 13. Nc2 Qd7 14. 0-0 Rfd8 15. Ne3 Nd4 16. Bxf6 gxf6 17. Ned5 Rb8 18. e3 Nc6 19. a4 Bg4 20. Bf3 h5 21. Bxg4 hxg4 22. f3 f5 23. fxg4 fxg4 24. Ne4 Kg7 25. Nef6 Bxf6 26. Nxf6 Qe6 27. Qxg4+ Qxg4 28. Nxg4 Na5 29. Rab1 Rbc8 30. Rfd1 f5 31. Nf2 Nc6 32. Rd5 1-0

[Event "Northwest Chess May op"]
[Site "Seattle"]
[Date "1985.05.??"]
[Round "?"]
[White "Vaughn, Michael"]
[Black "Osgood, Ian"]
[Result "1-0"]
[ECO "D00"]
[PlyCount "102"]
[EventDate "1985.05.??"]
[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. Nf3 g6 3. Nc3 d5 4. Bf4 a6 5. h3 Bg7 6. e3 0-0 7. Bd3 Nbd7 8. 0-0 c5 9. Re1 c4 10. Bf1 b5 11. a3 Bb7 12. Bh2 Qb6 13. Qe2 a5 14. b3 b4 15. Na4 Qc6 16. axb4 axb4 17. Ne5 Nxe5 18. Bxe5 Ne4 19. Bxg7 Kxg7 20. f3 Ng3 21. Qf2 Nxf1 22. Qxf1 Ba6 23. Nc5 Bb5 24. Qf2 Ra3 25. Qg3 Rfa8 26. Rac1 e6 27. Qe5+ Kg8 28. Qf6 Ra2 29. h4 Rb2 30. h5 Raa2 31. h6 Kf8 32. Qd8+ Qe8 33. Qd6+ Kg8 34. bxc4 dxc4 35. Ne4 Qc8 36. Qe5 Qf8 37. Nf6+ Kh8 38. Qxb5 Rxc2 39. Rxc2 Rxc2 40. Qe5 b3 41. Nd7+ f6 42. Nxf6 Qxh6 43. Ne8+ Kg8 44. Qxe6+ Kh8 45. Nd6 b2 46. Nf7+ Kg7 47. Nxh6 Rc1 48. Ng4 h5 49. Qf6+ Kg8 50. Qxg6+ Kf8 51. Ne5 Ke7 1-0

[Event "Northwest Chess January op"]
[Site "Seattle"]
[Date "1983.01.??"]
[Round "?"]
[White "Vaughn, Michael"]
[Black "McCready, Philip"]
[Result "1-0"]
[ECO "A48"]
[PlyCount "57"]
[EventDate "1983.01.??"]
[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. Nf3 g6 3. h3 Bg7 4. Bf4 d6 5. Nbd2 c6 6. e4 0-0 7. Be2 Nbd7 8. c3 b5 9. 0-0 Nb6 10. Re1 Nfd7 11. Bf1 e5 12. Bg5 f6 13. Qb3+ Kh8 14. Bh4 Qc7 15. Rac1 Rb8 16. c4 bxc4 17. Nxc4 Nxc4 18. Qxc4 Bb7 19. Rc2 Nb6 20. Qc3 Qf7 21. b3 exd4 22. Qxd4 d5 23. Bg3 Rbd8 24. e5 Rfe8 25. Rce2 Bc8 26. exf6 Bxf6 27. Rxe8+ Rxe8 28. Rxe8+ Kg7 29. Qe3 1-0

[Event "Northwest Chess January op"]
[Site "Seattle"]
[Date "1982.01.??"]
[Round "?"]
[White "Heywood, Bill"]
[Black "Vaughn, Michael"]
[Result "1-0"]
[ECO "D77"]
[PlyCount "47"]
[EventDate "1982.01.??"]
[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 d5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. c4 e6 6. 0-0 0-0 7. Nc3 b6 8. Bf4 Bb7 9. Rc1 Nbd7 10. cxd5 exd5 11. Nb5 c6 12. Nd6 Ba6 13. Ne5 Nxe5 14. dxe5 Ng4 15. Rxc6 Bxe5 16. Qxd5 Bxf4 17. gxf4 Bxe2 18. Re1 Ba6 19. h3 Nxf2 20. Re8 Rxe8 21. Qxf7+ Kh8 22. Nxe8 Nxh3+ 23. Kh2 Qxe8 24. Qf6+ 1-0

[Event "US Open-71"]
[Site "Boston"]
[Date "1970.08.19"]
[Round "9"]
[White "Berry, Jonathan"]
[Black "Vaughn, Michael"]
[Result "1-0"]
[ECO "B25"]
[PlyCount "69"]
[EventDate "1970.08.10"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 d6 5. d3 g6 6. Nh3 Bg7 7. 0-0 Be6 8. f4 Qd7 9. Nf2 Ng4 10. Ne2 0-0-0 11. c3 h5 12. d4 Nxf2 13. Rxf2 Bg4 14. Be3 Na5 15. Qd3 c4 16. Qc2 b6 17. b4 Nb7 18. d5 Kb8 19. Nd4 Bxd4 20. Bxd4 h4 21. a4 hxg3 22. hxg3 Bh3 23. Bxh8 Rxh8 24. Bf3 Bg4 25. Qe2 Bxf3 26. Qxf3 Qh3 27. Raa2 Qd7 28. Rh2 Rxh2 29. Kxh2 a5 30. Qe3 Qd8 31. Qd4 Qc7 32. Rb2 Ka7 33. Kg2 Ka6 34. Qh8 axb4 35. Qa8# 1-0

[Event "Boston"]
[Site "Boston"]
[Date "1970.??.??"]
[Round "?"]
[White "Vaughn, Michael"]
[Black "Ozols, Juris"]
[Result "1/2-1/2"]
[ECO "C40"]
[PlyCount "136"]
[EventDate "1970.??.??"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 f5 3. Nxe5 Qf6 4. d4 d6 5. Nc4 fxe4 6. Nc3 Qg6 7. Bf4 Nf6 8. Ne3 Be7 9. Bc4 c6 10. d5 Nh5 11. Bg3 Nxg3 12. hxg3 Nd7 13. Qh5 Qxh5 14. Rxh5 Nf6 15. Rh1 a6 16. a3 c5 17. a4 0-0 18. a5 Bd7 19. Ra3 Rae8 20. Rb3 Bc8 21. Na4 Nd7 22. Be2 Ne5 23. Nb6 Bd8 24. Nec4 Bxb6 25. Nxb6 Bf5 26. Re3 Rf7 27. Bh5 g6 28. Be2 Rfe7 29. Kd2 Kg7 30. Nc4 Nxc4+ 31. Bxc4 Bd7 32. Rhe1 Re5 33. Rb3 Bb5 34. Bxb5 axb5 35. Rxb5 Rxd5+ 36. Kc3 Re7 37. Re2 Kf6 38. Rb6 Kf5 39. Rd2 Rxd2 40. Kxd2 Ke5 41. b3 d5 42. f4+ Kf5 43. Rb5 e3+ 44. Ke2 Kg4 45. Rxc5 Kxg3 46. Rxd5 Kxf4 47. Rd3 h5 48. c4 Re5 49. Rd5 Re7 50. c5 h4 51. Rd3 g5 52. b4 g4 53. b5 Re5 54. Rd7 Rxc5 55. Rf7+ Kg3 56. Rxb7 Kxg2 57. a6 h3 58. a7 Rc2+ 59. Kxe3 Ra2 60. b6 h2 61. Rh7 g3 62. b7 Ra3+ 63. Kd4 Rxa7 64. b8Q Rxh7 65. Qa8+ Kg1 66. Qa1+ Kg2 67. Qa2+ Kg1 68. Qb1+ Kg2 1/2-1/2

