[Event "Manhattan CC m"]
[Site "New York"]
[Date "1993.??.??"]
[Round "?"]
[White "Alexopoulos, Georgios"]
[Black "Colias, Billy"]
[Result "1/2-1/2"]
[ECO "C44"]
[WhiteElo "2255"]
[BlackElo "2300"]
[PlyCount "41"]
[EventDate "1993.08.31"]
[EventType "match"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. d4 exd4 3. c3 d5 4. exd5 Qxd5 5. cxd4 Nc6 6. Nf3 Bb4+ 7. Nc3 Bg4 8. Be2 Bxf3 9. Bxf3 Qc4 10. Bxc6+ bxc6 11. Qe2+ Qxe2+ 12. Kxe2 Ne7 13. Bf4 Kd7 14. Rhd1 Nd5 15. Nxd5 cxd5 16. Rac1 Rhe8+ 17. Kd3 c6 18. a3 Bd6 19. Bxd6 Kxd6 20. Re1 Rxe1 21. Rxe1 1/2-1/2

[Event "Manhattan CC m"]
[Site "New York"]
[Date "1993.??.??"]
[Round "?"]
[White "Colias, Billy"]
[Black "Alexopoulos, Georgios"]
[Result "0-1"]
[ECO "D48"]
[WhiteElo "2300"]
[BlackElo "2255"]
[PlyCount "68"]
[EventDate "1993.08.31"]
[EventType "match"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. 0-0 Bb7 10. e4 c5 11. e5 Nd5 12. Ng5 Be7 13. Qh5 g6 14. Qg4 h5 15. Qg3 h4 16. Qg4 Nxc3 17. Nxf7 Ne2+ 18. Kh1 h3 19. Nxd8 hxg2+ 20. Qxg2 Bxg2+ 21. Kxg2 Nxc1 22. Nxe6 Nxd3 23. Nc7+ Kf7 24. e6+ Kf6 25. exd7 Ra7 26. Nd5+ Ke6 27. Nxe7 Kxe7 28. dxc5 Rxd7 29. b4 Nxb4 30. a4 Nc2 31. Ra2 Rd2 32. Kg3 b4 33. Rc1 b3 34. Rb2 Rd3+ 0-1

[Event "Manhattan CC m"]
[Site "New York"]
[Date "1993.??.??"]
[Round "?"]
[White "Colias, Billy"]
[Black "Alexopoulos, Georgios"]
[Result "1-0"]
[ECO "A67"]
[WhiteElo "2300"]
[BlackElo "2255"]
[PlyCount "79"]
[EventDate "1993.08.31"]
[EventType "match"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Bb5+ Nfd7 9. a4 0-0 10. Nf3 a6 11. Be2 Re8 12. 0-0 Nf6 13. e5 dxe5 14. fxe5 Ng4 15. e6 fxe6 16. Bc4 Kh8 17. Ng5 Bd4+ 18. Qxd4+ cxd4 19. Nf7+ Kg7 20. Nxd8 Rxd8 21. dxe6 Ne5 22. Ne4 Nbc6 23. Bg5 Re8 24. Bf6+ Kg8 25. Bxe5 Nxe5 26. Nf6+ Kf8 27. Nxe8+ Kxe8 28. Ba2 Ke7 29. Rae1 Nc6 30. Rf7+ Kd6 31. Rxh7 b5 32. e7 Bd7 33. Rf7 bxa4 34. Rf6+ Kc5 35. Rc1+ Kb5 36. Bd5 Rc8 37. Bxc6+ Rxc6 38. Rfxc6 Bxc6 39. Rxc6 Kxc6 40. e8Q+ 1-0

[Event "Manhattan CC m"]
[Site "New York"]
[Date "1993.??.??"]
[Round "2"]
[White "Colias, Billy"]
[Black "Alexopoulos, Georgios"]
[Result "0-1"]
[ECO "E97"]
[WhiteElo "2300"]
[BlackElo "2255"]
[PlyCount "48"]
[EventDate "1993.08.31"]
[EventType "match"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. b4 Nh5 10. Qb3 f5 11. c5 Kh8 12. cxd6 cxd6 13. exf5 e4 14. Nh4 Nxf5 15. Nxf5 Bxf5 16. Bxh5 gxh5 17. Bb2 Qg5 18. Kh1 e3 19. fxe3 Bd3 20. Rfd1 Rf2 21. Rg1 Rc8 22. Nd1 Qxg2+ 23. Rxg2 Rf1+ 24. Rg1 Be4# 0-1

[Event "USA-chT Amateur East"]
[Site "USA"]
[Date "1993.??.??"]
[Round "?"]
[White "Colias, Billy"]
[Black "Martinovsky, Eugene Simeon"]
[Result "0-1"]
[ECO "D86"]
[WhiteElo "2300"]
[BlackElo "2280"]
[PlyCount "74"]
[EventDate "1993.02.??"]
[EventType "team"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 0-0 8. Ne2 Nc6 9. 0-0 b6 10. Bg5 Na5 11. Bd3 Qd7 12. Rc1 c5 13. d5 c4 14. Bb1 e5 15. Qd2 Nb7 16. Bh6 f6 17. Bxg7 Qxg7 18. f4 Qh6 19. Rf2 Nd6 20. Qb2 Bg4 21. Rcf1 Nf7 22. h3 Bd7 23. f5 gxf5 24. exf5 Kh8 25. Kh2 Rg8 26. Qb4 e4 27. Bxe4 Rae8 28. Rf4 Bxf5 29. Bxf5 Rxe2 30. Bg4 Rxa2 31. Qe7 Ne5 32. Kg1 Ra1 33. Rxa1 Qxf4 34. Rf1 Qe3+ 35. Kh1 Nxg4 36. d6 Nf2+ 37. Kh2 Qg3+ 0-1

[Event "USA-chT Amateur East"]
[Site "USA"]
[Date "1993.??.??"]
[Round "?"]
[White "Colias, Billy"]
[Black "Serges, R."]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2300"]
[PlyCount "55"]
[EventDate "1993.02.??"]
[EventType "team"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. cxd5 exd5 7. Bd3 Nbd7 8. Qc2 h6 9. Bh4 b6 10. Nge2 Bb7 11. 0-0 c5 12. dxc5 Nxc5 13. Rfd1 Ne6 14. Bf5 Qc7 15. Rac1 Rac8 16. Bxf6 Bxf6 17. Nf4 Nxf4 18. Bxc8 Rxc8 19. exf4 d4 20. Qf5 dxc3 21. bxc3 Rd8 22. h3 Rxd1+ 23. Rxd1 Qxc3 24. Qb1 Qc6 25. f3 Qc5+ 26. Kh1 Qf2 27. Qb3 Ba6 28. Qb1 1/2-1/2

[Event "Illinois op"]
[Site "USA"]
[Date "1992.??.??"]
[Round "?"]
[White "Cohen, Lawrence S"]
[Black "Colias, Billy"]
[Result "0-1"]
[ECO "A11"]
[BlackElo "2265"]
[PlyCount "68"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 c6 4. b3 d5 5. Bb2 Bc5 6. e3 dxc4 7. bxc4 Qe7 8. Ne2 0-0 9. 0-0 Bg4 10. h3 Bh5 11. Nbc3 e4 12. Qc2 Re8 13. Nf4 Bg6 14. Nxg6 hxg6 15. d3 exd3 16. Qxd3 Nbd7 17. Na4 Bd6 18. Rad1 Be5 19. Ba3 Qe6 20. Qb3 Rab8 21. Nc5 Nxc5 22. Bxc5 b6 23. Ba3 c5 24. Rd3 b5 25. Rc1 b4 26. Bb2 Bxb2 27. Qxb2 Rbd8 28. Qd2 Rxd3 29. Qxd3 a5 30. e4 Nxe4 31. Re1 f5 32. f3 Qd6 33. Qd5+ Qxd5 34. cxd5 Nd6 0-1

[Event "Chicago op"]
[Site "Chicago"]
[Date "1992.??.??"]
[Round "4"]
[White "Colias, Billy"]
[Black "Bonin, Jay R"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2265"]
[BlackElo "2400"]
[PlyCount "40"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. e3 e6 5. Bxc4 a6 6. 0-0 c5 7. dxc5 Qxd1 8. Rxd1 Bxc5 9. a3 Ke7 10. b4 Bd6 11. Bb2 Nbd7 12. Nd4 Nb6 13. Bb3 Bd7 14. Nd2 Ba4 15. N4f3 Rac8 16. Bd4 Bxb3 17. Nxb3 Na4 18. Rac1 b6 19. Ne5 Bxe5 20. Bxe5 Rhd8 1/2-1/2

[Event "Chicago op"]
[Site "Chicago"]
[Date "1992.??.??"]
[Round "8"]
[White "Colias, Billy"]
[Black "Cerminaro, John"]
[Result "1-0"]
[ECO "E20"]
[WhiteElo "2265"]
[PlyCount "51"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 c6 7. e3 Nbd7 8. cxd5 exd5 9. Bd3 0-0 10. Ne2 Re8 11. 0-0 Nf8 12. Ng3 Ng6 13. e4 dxe4 14. fxe4 Qa5 15. Bd2 Be6 16. Rxf6 gxf6 17. Nh5 Qd8 18. Qf3 Kh8 19. Nxf6 Rg8 20. Nxg8 Kxg8 21. Rf1 Rc8 22. e5 c5 23. Bf5 Bd5 24. Be4 Bxe4 25. Qxf7+ Kh8 26. Bh6 1-0

[Event "Chicago exh m"]
[Site "Chicago"]
[Date "1992.??.??"]
[Round "?"]
[White "Colias, Billy"]
[Black "Comp Novag Diablo"]
[Result "1/2-1/2"]
[ECO "D88"]
[WhiteElo "2265"]
[PlyCount "46"]
[EventDate "1992.??.??"]
[EventType "match"]
[EventRounds "2"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 0-0 8. Ne2 c5 9. 0-0 Nc6 10. Be3 cxd4 11. cxd4 Bg4 12. f3 Na5 13. Bxf7+ Rxf7 14. fxg4 Rxf1+ 15. Kxf1 Qb6 16. Qd3 Rf8+ 17. Bf2 Qf6 18. Qg3 Qe6 19. e5 Qc4 20. Qc3 Qf7 21. Qg3 Qc4 22. Qc3 Qf7 23. Qg3 Qc4 1/2-1/2

[Event "Chicago Masters"]
[Site "Chicago"]
[Date "1992.??.??"]
[Round "?"]
[White "Colias, Billy"]
[Black "Dzindzichashvili, Roman"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2265"]
[BlackElo "2560"]
[PlyCount "130"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Nc3 0-0 7. Bg2 d6 8. 0-0 Bxc3 9. Bxc3 Ne4 10. Qc2 Nxc3 11. Qxc3 e5 12. d5 Nb8 13. b4 Bg4 14. Rac1 a5 15. a3 Nd7 16. c5 axb4 17. axb4 Nf6 18. Qc4 Bxf3 19. exf3 Qd7 20. f4 exf4 21. Qxf4 Ra4 22. c6 bxc6 23. Rxc6 Rb8 24. Rb1 h6 25. Qc1 Raxb4 26. Rxb4 Rxb4 27. Rxc7 Qf5 28. Rc8+ Kh7 29. Qc2 Qxc2 30. Rxc2 Rb1+ 31. Bf1 Rd1 32. Rc7 Kg6 33. Kg2 Nxd5 34. Ra7 Kf6 35. h4 g5 36. hxg5+ hxg5 37. Bc4 Ne7 38. Ra6 Ng6 39. Ra5 Ne5 40. Bb3 Rd3 41. Bd5 Rd2 42. Be4 Rd4 43. Bd5 g4 44. Bb7 Rb4 45. Bd5 Rb1 46. Be4 Re1 47. Bd5 Rd1 48. Be4 Ke6 49. Bb7 d5 50. Bc8+ Kf6 51. Ra4 d4 52. Ra6+ Kg5 53. Rd6 d3 54. Bb7 f6 55. Be4 Re1 56. f4+ gxf3+ 57. Bxf3 Ra1 58. Bd5 d2 59. Bb3 Ra3 60. Bd1 Rd3 61. Ra6 Ng4 62. Ra1 Ne3+ 63. Kf2 Nxd1+ 64. Rxd1 Kg4 65. Ke2 Rd8 0-1

[Event "New York op"]
[Site "New York"]
[Date "1992.??.??"]
[Round "?"]
[White "Colias, Billy"]
[Black "Galdreau, A."]
[Result "1-0"]
[ECO "E74"]
[WhiteElo "2265"]
[PlyCount "85"]
[EventDate "1992.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 Nbd7 7. Qd2 c5 8. d5 Qa5 9. a4 Re8 10. f3 a6 11. Ra3 e6 12. dxe6 Rxe6 13. Nh3 Qc7 14. Nf4 Re5 15. Nfd5 Nxd5 16. Nxd5 Rxd5 17. exd5 Nf6 18. 0-0 Bd7 19. Bd3 Nh5 20. g4 Nf6 21. Re1 h5 22. h3 Nh7 23. Bh6 Bd4+ 24. Kh1 hxg4 25. fxg4 Qd8 26. Be3 Qh4 27. Bxd4 Qxh3+ 28. Qh2 Qxh2+ 29. Kxh2 cxd4 30. Kg3 Nf6 31. g5 Ng4 32. Kf4 Ne5 33. Rxe5 dxe5+ 34. Kxe5 Re8+ 35. Kxd4 Re1 36. Kc5 Rg1 37. Kb6 Rxg5 38. Kxb7 f5 39. c5 f4 40. c6 Bh3 41. d6 f3 42. d7 Rd5 43. Bc4 1-0

[Event "New York op"]
[Site "New York"]
[Date "1992.??.??"]
[Round "?"]
[White "Colias, Billy"]
[Black "Hernandez, Gustavo"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "2265"]
[BlackElo "2345"]
[PlyCount "84"]
[EventDate "1992.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 0-0 8. Ba3 Nd7 9. Bc4 c5 10. 0-0 Qa5 11. Qb3 Qb6 12. Bb5 cxd4 13. cxd4 a6 14. Bc4 Qxb3 15. Bxb3 Re8 16. Rac1 b5 17. Bd5 Rb8 18. Bb4 Bb7 19. Bb3 e6 20. Rc7 Nf6 21. Ne5 Bxe4 22. Nxf7 Nd5 23. Bxd5 Bxd5 24. Rfc1 Bxa2 25. Nd6 Red8 26. d5 Bxd5 27. Rxg7+ Kxg7 28. Rc7+ Kg8 29. Nf7 e5 30. Nh6+ Kh8 31. Bc3 Re8 32. f4 b4 33. Bb2 Rb7 34. Rc5 Kg7 35. Ng4 Be6 36. Bxe5+ Kf7 37. Nf6 Rc8 38. Ra5 b3 39. Ne4 Rc1+ 40. Kf2 b2 41. Rxa6 b1Q 42. Ng5+ Ke8 0-1

[Event "Chicago Masters"]
[Site "Chicago"]
[Date "1992.??.??"]
[Round "?"]
[White "Colias, Billy"]
[Black "Kreckler, Warren"]
[Result "1-0"]
[ECO "E20"]
[WhiteElo "2265"]
[PlyCount "73"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 c5 5. d5 0-0 6. e4 d6 7. Nge2 b5 8. a3 Ba5 9. Ng3 exd5 10. cxd5 Nbd7 11. Bxb5 Bxc3+ 12. bxc3 Qa5 13. Be2 Qxc3+ 14. Bd2 Qe5 15. 0-0 Qd4+ 16. Kh1 Ne5 17. Qc2 Bd7 18. Bc3 Qa4 19. Qxa4 Bxa4 20. Nf5 Rfb8 21. Nxd6 Ned7 22. Bc4 Nb6 23. Ba2 Ne8 24. Nf5 Bd7 25. Ne3 f6 26. Rab1 Nd6 27. e5 Nb5 28. Rbc1 fxe5 29. Bxe5 Re8 30. f4 Rac8 31. d6+ Kh8 32. Rf3 Nd4 33. Rg3 Rxe5 34. fxe5 Ne2 35. Rf1 Nxg3+ 36. hxg3 c4 37. Nxc4 1-0

[Event "Chicago Masters"]
[Site "Chicago"]
[Date "1992.??.??"]
[Round "?"]
[White "Colias, Billy"]
[Black "Kudrin, Sergey"]
[Result "0-1"]
[ECO "D89"]
[WhiteElo "2265"]
[BlackElo "2550"]
[PlyCount "42"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 0-0 8. Ne2 c5 9. 0-0 Nc6 10. Be3 Bg4 11. f3 Na5 12. Bd3 cxd4 13. cxd4 Be6 14. Qa4 a6 15. d5 Bxa1 16. Rxa1 f6 17. Qb4 Nc6 18. Qxb7 Ne5 19. Bxa6 Qd6 20. f4 Ng4 21. Ba7 Rfb8 0-1

[Event "Chicago op"]
[Site "Chicago"]
[Date "1992.??.??"]
[Round "7"]
[White "Colias, Billy"]
[Black "Lonoff, Marc J"]
[Result "0-1"]
[ECO "C17"]
[WhiteElo "2265"]
[BlackElo "2335"]
[PlyCount "93"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. dxc5 Nc6 6. Nf3 Nge7 7. Bd3 Ng6 8. Bxg6 hxg6 9. 0-0 Bxc5 10. Re1 Bd7 11. a3 Rc8 12. Qd3 a6 13. Bf4 Ne7 14. g4 Qb6 15. Nd1 a5 16. Rb1 Bb5 17. Qd2 a4 18. Be3 Rh3 19. Kg2 Rxf3 20. Kxf3 d4 21. Bf4 Bc6+ 22. Kg3 Bxa3 23. c3 Rd8 24. cxd4 Bb4 25. Nc3 Rxd4 26. Be3 Rxd2 27. Bxb6 Bxc3 28. bxc3 Nd5 29. Bd4 Rd3+ 30. Be3 Nxc3 31. Rbc1 b5 32. Rxc3 Rxc3 33. Rc1 Rxc1 34. Bxc1 b4 35. Kf4 Bd5 36. Bd2 b3 37. Bc1 Kd7 38. Ke3 Kc6 39. Kd4 Kb5 40. Kc3 g5 41. Ba3 Bf3 42. Bf8 g6 43. Be7 Bd1 44. h3 Kc6 45. Kb2 Kd5 46. Bxg5 Kxe5 47. Bc1 0-1

[Event "New York op"]
[Site "New York"]
[Date "1992.??.??"]
[Round "?"]
[White "Colias, Billy"]
[Black "Marquez, Raul"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2265"]
[BlackElo "2275"]
[PlyCount "61"]
[EventDate "1992.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Bg5 h6 7. Be3 e5 8. d5 Nh5 9. Qd2 Qh4+ 10. g3 Nxg3 11. Qf2 Nxf1 12. Qxh4 Nxe3 13. Ke2 Nxc4 14. Rc1 Na6 15. b3 Nb6 16. Nh3 Bd7 17. Rhg1 Rae8 18. Nf2 h5 19. Rg2 c5 20. Nh1 Nc8 21. Rcg1 b5 22. Ng3 b4 23. Nxh5 bxc3 24. Nf6+ Bxf6 25. Qxf6 Ne7 26. Rg5 Bb5+ 27. Kd1 c2+ 28. Kc1 Nb4 29. Rh5 Nd3+ 30. Kxc2 Nb4+ 31. Kb2 1-0

[Event "Chicago Masters"]
[Site "Chicago"]
[Date "1992.??.??"]
[Round "?"]
[White "Colias, Billy"]
[Black "Martin, Raymond"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "2265"]
[BlackElo "2230"]
[PlyCount "63"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. e3 e6 4. Nf3 d5 5. Nc3 Nc6 6. a3 cxd4 7. exd4 Be7 8. c5 Ne4 9. Qc2 f5 10. Bb5 Bf6 11. Bf4 Bd7 12. Bxc6 Bxc6 13. 0-0 0-0 14. b4 g5 15. Be5 g4 16. Bxf6 Rxf6 17. Ne5 Rh6 18. g3 Qg5 19. f4 Qh5 20. b5 Be8 21. Nxe4 dxe4 22. c6 bxc6 23. bxc6 Rc8 24. Ra2 Rc7 25. Rc1 Rf6 26. Rb2 Rff7 27. Nxf7 Qxf7 28. Rb7 e3 29. Qb3 e2 30. Rxc7 Qxc7 31. Qxe6+ Bf7 32. Qxe2 1-0

[Event "Chicago op"]
[Site "Chicago"]
[Date "1992.??.??"]
[Round "1"]
[White "Colias, Billy"]
[Black "Palatnik, Semon"]
[Result "1/2-1/2"]
[ECO "A57"]
[WhiteElo "2265"]
[BlackElo "2510"]
[PlyCount "49"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. f3 g6 6. e4 d6 7. Na3 Bg7 8. Ne2 0-0 9. Nc3 axb5 10. Naxb5 Na6 11. Be2 Nc7 12. a4 Nxb5 13. Nxb5 Ne8 14. 0-0 Nc7 15. Rb1 Bd7 16. Nxc7 Qxc7 17. b3 Rfb8 18. Bd2 e6 19. Bc4 exd5 20. Bxd5 Bd4+ 21. Kh1 Bc6 22. Bxc6 Qxc6 23. Qc2 d5 24. exd5 Qxd5 25. b4 1/2-1/2

[Event "Chicago Masters"]
[Site "Chicago"]
[Date "1992.??.??"]
[Round "?"]
[White "Colias, Billy"]
[Black "Sax, Robert"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "2265"]
[PlyCount "39"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. f3 Bg7 4. e4 d6 5. Be3 0-0 6. Ne2 e5 7. d5 c6 8. Qd2 cxd5 9. cxd5 Nbd7 10. Na3 Ne8 11. Nc3 f5 12. Be2 Ndf6 13. 0-0 fxe4 14. fxe4 Ng4 15. Bxg4 Bxg4 16. Rxf8+ Bxf8 17. Rf1 Be7 18. Qf2 b6 19. Qf7+ Kh8 20. Bh6 1-0

[Event "Illinois op"]
[Site "USA"]
[Date "1992.??.??"]
[Round "?"]
[White "Colias, Billy"]
[Black "Warren, Jim"]
[Result "1-0"]
[ECO "E20"]
[WhiteElo "2265"]
[PlyCount "49"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Bxc3+ 6. bxc3 h6 7. cxd5 exd5 8. e3 0-0 9. Bd3 c5 10. Ne2 c4 11. Bc2 Re8 12. 0-0 b6 13. Ng3 Bb7 14. Ra2 Nbd7 15. Bb1 Qc7 16. Re2 h5 17. Qe1 g6 18. e4 Nf8 19. e5 N6h7 20. f4 Rad8 21. f5 h4 22. Nh1 g5 23. f6 Bc8 24. Bxg5 Nxg5 25. Qxh4 1-0

[Event "Chicago exh m"]
[Site "Chicago"]
[Date "1992.??.??"]
[Round "?"]
[White "Comp Mephisto Risc"]
[Black "Colias, Billy"]
[Result "0-1"]
[ECO "E11"]
[BlackElo "2265"]
[PlyCount "55"]
[EventDate "1992.??.??"]
[EventType "match"]
[EventRounds "2"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. Qc2 Nc6 6. a3 Bxd2+ 7. Nbxd2 d5 8. e3 0-0 9. Bd3 h6 10. Nb3 e5 11. cxd5 Nxd5 12. Bb5 exd4 13. Bxc6 bxc6 14. Qxc6 Nxe3 15. Qxa8 Ba6 16. Qxa7 Ng4+ 17. Kd2 Qe2+ 18. Kc1 Nxf2 19. Qxd4 Nxh1 20. Qd2 Qc4+ 21. Qc3 Qf1+ 22. Kc2 Qxg2+ 23. Nbd2 Qe2 24. Kb3 Qe6+ 25. Kc2 Qf5+ 26. Kb3 Nf2 27. Ka2 Qd5+ 28. b3 0-1

[Event "Chicago exh m"]
[Site "Chicago"]
[Date "1992.??.??"]
[Round "?"]
[White "Comp Mephisto Risc"]
[Black "Colias, Billy"]
[Result "0-1"]
[ECO "B66"]
[BlackElo "2265"]
[PlyCount "73"]
[EventDate "1992.??.??"]
[EventType "match"]
[EventRounds "2"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 h6 9. Bf4 Bd7 10. Nxc6 Bxc6 11. f3 d5 12. Qe1 Bb4 13. a3 Ba5 14. Bd2 b5 15. exd5 Nxd5 16. Nxd5 Bxd2+ 17. Qxd2 Bxd5 18. Qb4 Qe7 19. Qxe7+ Kxe7 20. Bd3 Rhc8 21. Rhe1 Rc5 22. Be4 Bxe4 23. Rxe4 Rac8 24. c3 f5 25. Red4 R8c7 26. a4 g5 27. Kc2 h5 28. h4 Kf6 29. Re1 R7c6 30. hxg5+ Kxg5 31. f4+ Kg4 32. axb5 axb5 33. Kb3 Rc4 34. Rxc4 bxc4+ 35. Ka3 Rd6 36. Rf1 h4 37. Ka4 0-1

[Event "Chicago Masters"]
[Site "Chicago"]
[Date "1992.??.??"]
[Round "?"]
[White "Cooper, Thomas L"]
[Black "Colias, Billy"]
[Result "1/2-1/2"]
[ECO "A49"]
[BlackElo "2265"]
[PlyCount "48"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 g6 3. g3 Bg7 4. Bb2 0-0 5. Bg2 d6 6. d4 c5 7. dxc5 Qa5+ 8. Qd2 Qxc5 9. 0-0 Nc6 10. c4 Bd7 11. Nc3 a6 12. e3 b5 13. Nd4 Ne5 14. cxb5 axb5 15. Rfc1 Qb6 16. f4 Neg4 17. h3 e5 18. Nc2 Nh6 19. Kh2 exf4 20. exf4 Nhg4+ 21. hxg4 Nxg4+ 22. Kh1 Nf2+ 23. Kh2 Ng4+ 24. Kh1 Nf2+ 1/2-1/2

[Event "Illinois op"]
[Site "USA"]
[Date "1992.??.??"]
[Round "?"]
[White "Cooper, Thomas L"]
[Black "Colias, Billy"]
[Result "0-1"]
[ECO "B66"]
[BlackElo "2265"]
[PlyCount "36"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 h6 9. Be3 Bd7 10. f3 Be7 11. Kb1 Qc7 12. g4 Ne5 13. h3 b5 14. f4 b4 15. fxe5 bxc3 16. exd6 Bxd6 17. Nxe6 cxd2 18. Nxc7+ Bxc7 0-1

[Event "Chicago op"]
[Site "Chicago"]
[Date "1992.??.??"]
[Round "2"]
[White "Giovanetti, Mark"]
[Black "Colias, Billy"]
[Result "0-1"]
[ECO "B85"]
[BlackElo "2265"]
[PlyCount "90"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 e6 7. Be2 Be7 8. 0-0 a6 9. f4 Qc7 10. Kh1 0-0 11. Qe1 Na5 12. Qg3 Kh8 13. e5 Nd7 14. exd6 Bxd6 15. Ne4 Be7 16. Ng5 Nf6 17. Bd3 Nc4 18. Bc1 g6 19. b3 Qb6 20. Ndxe6 Nh5 21. Qe1 Bxe6 22. Nxe6 Bb4 23. c3 Qxe6 24. Qxe6 fxe6 25. cxb4 Nb6 26. Bb2+ Kg8 27. g3 Rad8 28. Rad1 Nd5 29. Rfe1 Nxb4 30. Bc4 Ng7 31. a3 b5 32. axb4 bxc4 33. bxc4 Rb8 34. Rd7 Rf7 35. Red1 Nf5 36. g4 Ne3 37. Rd8+ Rf8 38. Rxb8 Rxb8 39. Be5 Rxb4 40. Rd8+ Kf7 41. h3 Nxc4 42. Bc7 a5 43. Rd7+ Ke8 44. Rxh7 Rb7 45. Rh8+ Kd7 0-1

[Event "Chicago Masters"]
[Site "Chicago"]
[Date "1992.??.??"]
[Round "?"]
[White "Gurevich, Dmitry"]
[Black "Colias, Billy"]
[Result "1-0"]
[ECO "E99"]
[WhiteElo "2490"]
[BlackElo "2265"]
[PlyCount "71"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Be3 f5 11. f3 f4 12. Bf2 g5 13. Nb5 b6 14. b4 a6 15. Nc3 Nf6 16. c5 Ne8 17. cxb6 cxb6 18. Na4 Rb8 19. b5 a5 20. Qd2 Bd7 21. Nxb6 Rxb6 22. Qxa5 Rb8 23. Qxd8 Rxd8 24. Nc2 Nc7 25. a4 g4 26. fxg4 Ncxd5 27. exd5 Nxd5 28. Bc4 Be6 29. Nb4 Nxb4 30. Bxe6+ Kh8 31. a5 e4 32. Ra4 e3 33. Rxb4 d5 34. Bf5 d4 35. Bd3 Rde8 36. Be1 1-0

[Event "New York op"]
[Site "New York"]
[Date "1992.??.??"]
[Round "8"]
[White "Hulse, Brian"]
[Black "Colias, Billy"]
[Result "1/2-1/2"]
[ECO "E16"]
[WhiteElo "2215"]
[BlackElo "2265"]
[PlyCount "27"]
[EventDate "1992.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "TD"]
[Source "ChessBase"]
[SourceDate "1994.03.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.03.01"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. g3 Bb7 6. Bg2 0-0 7. 0-0 a5 8. Ne5 Qc8 9. Nd3 Bxg2 10. Kxg2 Qb7+ 11. Kg1 Be7 12. e3 d5 13. b3 Nbd7 14. Bb2 1/2-1/2

[Event "Chicago op"]
[Site "Chicago"]
[Date "1992.??.??"]
[Round "3"]
[White "Ivanov, Igor Vasilievich"]
[Black "Colias, Billy"]
[Result "1-0"]
[ECO "E92"]
[WhiteElo "2465"]
[BlackElo "2265"]
[PlyCount "55"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. d4 0-0 6. Be2 e5 7. d5 a5 8. Bg5 h6 9. Bh4 Na6 10. 0-0 Qe8 11. Ne1 Nc5 12. f3 Nh7 13. Nb5 Qd7 14. Nd3 Nxd3 15. Bxd3 c5 16. a3 b6 17. Bc2 Bf6 18. Bxf6 Nxf6 19. Qd2 g5 20. f4 gxf4 21. g3 Kh7 22. Rxf4 exf4 23. e5+ Kh8 24. exf6 Qg4 25. Rf1 Bf5 26. Rxf4 Qg5 27. Bxf5 Qxf6 28. Bc2 1-0

[Event "Chicago Masters"]
[Site "Chicago"]
[Date "1992.??.??"]
[Round "?"]
[White "Kaidanov, Gregory S"]
[Black "Colias, Billy"]
[Result "1-0"]
[ECO "D26"]
[WhiteElo "2550"]
[BlackElo "2265"]
[PlyCount "67"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. Qe2 a6 7. dxc5 Bxc5 8. a3 b5 9. Bd3 Nbd7 10. b4 Be7 11. Bb2 0-0 12. 0-0 Nd5 13. Nbd2 Bb7 14. Nb3 Rc8 15. Rac1 N5b6 16. Na5 Rxc1 17. Rxc1 Qa8 18. Rc7 Be4 19. h3 Rc8 20. Rxc8+ Nxc8 21. Nd2 Bxd3 22. Qxd3 Ncb6 23. Qc2 Qd5 24. Bd4 e5 25. Nc6 Qe6 26. Bxb6 Nxb6 27. Nxe7+ Qxe7 28. Qc6 Qd8 29. Ne4 h6 30. Nd6 g6 31. Kh2 Kg7 32. Ne8+ Kg8 33. Nc7 Nc4 34. a4 1-0

[Event "Chicago op"]
[Site "Chicago"]
[Date "1992.??.??"]
[Round "9"]
[White "Karklins, Andrew"]
[Black "Colias, Billy"]
[Result "1-0"]
[ECO "B56"]
[WhiteElo "2320"]
[BlackElo "2265"]
[PlyCount "56"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bb5 Bd7 7. 0-0 e6 8. Re1 Qc7 9. Nf3 Rd8 10. Bf4 Be7 11. e5 dxe5 12. Nxe5 Nxe5 13. Bxe5 Qb6 14. Bd3 Bc6 15. a4 Bc5 16. Qe2 Nd7 17. a5 Qb4 18. Na2 Qxa5 19. Bc3 Qb6 20. b4 Be7 21. b5 Bd5 22. Nb4 Nc5 23. Qg4 Bf6 24. Bxf6 gxf6 25. Bf1 Be4 26. Rxe4 Nxe4 27. Qxe4 Rd4 28. Qe3 0-0 1-0

[Event "Chicago Masters"]
[Site "Chicago"]
[Date "1992.??.??"]
[Round "?"]
[White "Kinnaird, Rodney"]
[Black "Colias, Billy"]
[Result "0-1"]
[ECO "C84"]
[BlackElo "2265"]
[PlyCount "78"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. Nc3 b5 6. Bb3 Be7 7. 0-0 d6 8. Ne2 Na5 9. c3 Nxb3 10. Qxb3 Nxe4 11. Qd5 Bf5 12. d4 Nf6 13. Qb3 e4 14. Ng5 0-0 15. d5 h6 16. Nd4 Qd7 17. f4 Bg4 18. c4 hxg5 19. fxg5 Nh7 20. h4 Rfe8 21. cxb5 Nf8 22. Qg3 Ng6 23. Be3 Bf8 24. Rf2 Ne5 25. Raf1 Bh5 26. bxa6 Rxa6 27. b3 Ra5 28. Nf5 Rxd5 29. g6 fxg6 30. Nd4 Qg4 31. Qxg4 Nxg4 32. Ne2 Nxf2 33. Rxf2 Rd1+ 34. Kh2 d5 35. Kh3 Bd6 36. g3 Bf3 37. Rh2 g5 38. Bxg5 Rg1 39. h5 Rxg3+ 0-1

[Event "Chicago Masters"]
[Site "Chicago"]
[Date "1992.??.??"]
[Round "?"]
[White "Maddex, William I"]
[Black "Colias, Billy"]
[Result "0-1"]
[ECO "B26"]
[BlackElo "2265"]
[PlyCount "62"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. Be3 e5 7. Qd2 Nge7 8. Bh6 Bxh6 9. Qxh6 Be6 10. f4 Nd4 11. Rc1 Qb6 12. Nd1 Bxa2 13. Nh3 0-0-0 14. fxe5 dxe5 15. Qe3 c4 16. Nhf2 cxd3 17. cxd3+ Kb8 18. 0-0 h5 19. Nc3 Bb3 20. Kh1 a6 21. Nfd1 f6 22. Qf2 Bxd1 23. Rfxd1 Rd6 24. Na4 Qb5 25. Rc4 Rc8 26. Rdc1 Rxc4 27. Rxc4 Rc6 28. Nc3 Qb3 29. h3 Rd6 30. Qe3 b5 31. Qh6 bxc4 0-1

[Event "Illinois op"]
[Site "USA"]
[Date "1992.??.??"]
[Round "?"]
[White "Marema, M."]
[Black "Colias, Billy"]
[Result "0-1"]
[ECO "E31"]
[BlackElo "2265"]
[PlyCount "188"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 c5 5. d5 h6 6. Bh4 Bxc3+ 7. bxc3 d6 8. f3 Qe7 9. e4 Nbd7 10. Bg3 e5 11. Bd3 g5 12. Qd2 Nh5 13. Bf2 Nf4 14. Be3 Rg8 15. g3 Nxd3+ 16. Qxd3 Nb6 17. Ne2 Bd7 18. h4 Kd8 19. Rb1 Kc7 20. h5 Rgf8 21. g4 Rab8 22. Kf2 Qe8 23. Nc1 Bc8 24. Nb3 Qa4 25. Nd2 Bd7 26. Rb3 Rfc8 27. Rhb1 Be8 28. R1b2 Qa6 29. Rb1 Qxa2 30. Qf1 Qa6 31. Ra1 Na4 32. Rba3 Qb6 33. Qc1 Qb2 34. Qxb2 Nxb2 35. Ke2 b5 36. Rxa7+ Rb7 37. Rxb7+ Kxb7 38. cxb5 Bxb5+ 39. Kf2 Ra8 40. Rxa8 Kxa8 41. Kg3 f6 42. Kg2 Nd1 43. Bf2 Nxc3 44. Be1 Na2 45. Nb1 Nb4 46. Bc3 Kb7 47. Kf2 Kb6 48. Na3 Ka5 49. Nc2 Ka4 50. Ne3 Kb3 51. Bd2 Bd7 52. Ke2 Nc2 53. Nd1 Nd4+ 54. Ke3 Kc2 55. Nf2 Nb3 56. Be1 Bb5 57. Nh1 Kd1 58. Bc3 Kc2 59. Be1 Bd7 60. Ng3 Bc8 61. Ne2 Ba6 62. Ng3 Bc8 63. Ne2 c4 64. Bb4 Nc5 65. Ba5 Nb7 66. Bb4 Bd7 67. Kf2 Nc5 68. Ba5 Nd3+ 69. Ke3 Nb2 70. Kf2 Nd3+ 71. Ke3 Nc1 72. Nc3 Be8 73. Bb4 Nb3 74. Ne2 Nc5 75. Ba5 Nb7 76. Be1 Bd7 77. Bb4 Ba4 78. Ng3 Kb3 79. Be1 c3 80. Bxc3 Kxc3 81. Nf5 Nd8 82. Nxh6 Kc4 83. Ng8 Nf7 84. Nxf6 Kc5 85. Ng8 Kb6 86. h6 Kc7 87. h7 Kd8 88. Nh6 Nh8 89. Nf5 Kc7 90. Ng7 Bd7 91. Nf5 Bc8 92. Kf2 Bd7 93. Ke3 Be8 94. Ng7 Bd7 0-1

[Event "Chicago op"]
[Site "Chicago"]
[Date "1992.??.??"]
[Round "5"]
[White "Martinovsky, Eugene Simeon"]
[Black "Colias, Billy"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2335"]
[BlackElo "2265"]
[PlyCount "141"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. a3 e6 6. b4 b6 7. bxc5 bxc5 8. e5 d6 9. Bb5 Nge7 10. Bb2 0-0 11. Ne4 dxe5 12. Bxc6 Nxc6 13. fxe5 Rb8 14. Bc3 Qd5 15. Nf6+ Bxf6 16. exf6 e5 17. d3 Nd4 18. 0-0 Bg4 19. Qd2 Bxf3 20. Bxd4 Qxd4+ 21. Kh1 Bxg2+ 22. Kxg2 Rb6 23. Rae1 Qg4+ 24. Kh1 Qh4 25. Re4 Qh5 26. Qf2 Rfb8 27. Qxc5 Rxf6 28. Ree1 Rxf1+ 29. Rxf1 Qe2 30. Kg1 Qg4+ 31. Kh1 Qe2 32. Kg1 Qg4+ 33. Kh1 Qd4 34. Qc6 Rd8 35. Rb1 Qd5+ 36. Qxd5 Rxd5 37. Rb4 a5 38. Rc4 Rd4 39. Rc5 e4 40. dxe4 Ra4 41. Kg2 Rxa3 42. c3 a4 43. Kf3 Ra2 44. h4 Rh2 45. Kg3 Rc2 46. h5 gxh5 47. Kh4 a3 48. e5 Rc1 49. Ra5 Ra1 50. Kg3 Kf8 51. Ra7 a2 52. Kg2 Ke8 53. c4 Kd8 54. c5 Kc8 55. c6 Kb8 56. c7+ Kc8 57. Kh2 h4 58. Kg2 h3+ 59. Kh2 h6 60. Ra5 Kxc7 61. Ra6 Kb7 62. Ra3 Kc6 63. Ra5 Kd7 64. Ra6 Ke7 65. Ra5 Ke6 66. Ra6+ Kxe5 67. Ra5+ Kd4 68. Ra8 f5 69. Ra4+ Kc5 70. Ra5+ Kb6 71. Ra3 0-1

[Event "New York op"]
[Site "New York"]
[Date "1992.??.??"]
[Round "?"]
[White "Medin, N."]
[Black "Colias, Billy"]
[Result "0-1"]
[ECO "E11"]
[BlackElo "2265"]
[PlyCount "76"]
[EventDate "1992.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 e6 3. c4 Bb4+ 4. Bd2 Qe7 5. a3 Bxd2+ 6. Nbxd2 d6 7. g3 e5 8. Bg2 e4 9. Ng5 e3 10. Nde4 Ng4 11. f4 h6 12. Nh3 Bf5 13. Nc3 c6 14. Qb3 0-0 15. 0-0 Re8 16. Rad1 Qc7 17. Qa2 a5 18. b3 Nd7 19. Qb2 Ndf6 20. b4 Nf2 21. Nxf2 exf2+ 22. Rxf2 Ng4 23. e4 Nxf2 24. Kxf2 axb4 25. axb4 Be6 26. Bf1 Bg4 27. Rd2 f6 28. c5 b6 29. Bc4+ Kh8 30. Kg1 bxc5 31. bxc5 dxc5 32. d5 cxd5 33. Nxd5 Qa5 34. Ba2 Rxe4 35. Nc3 Re3 36. Qb7 Rxc3 37. Rb2 Rc1+ 38. Kg2 Qxa2 0-1

[Event "New York op"]
[Site "New York"]
[Date "1992.??.??"]
[Round "?"]
[White "Morris, Matthew"]
[Black "Colias, Billy"]
[Result "1-0"]
[ECO "B66"]
[WhiteElo "2325"]
[BlackElo "2265"]
[PlyCount "153"]
[EventDate "1992.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 h6 9. Bf4 Bd7 10. Bg3 Be7 11. Kb1 b5 12. Bxd6 Bxd6 13. Nxc6 Bxc6 14. Qxd6 Qxd6 15. Rxd6 Nxe4 16. Rxc6 Kd7 17. Rxa6 Nxc3+ 18. bxc3 Rxa6 19. Bxb5+ Rc6 20. Rd1+ Kc7 21. Bxc6 Rb8+ 22. Kc1 Kxc6 23. Rd4 Rb5 24. a4 Rh5 25. h4 Rf5 26. f3 Rc5 27. Kd2 h5 28. Kd3 Re5 29. Rc4+ Kb6 30. Re4 Rd5+ 31. Rd4 Rf5 32. Rb4+ Kc6 33. Kc4 g5 34. Kb3 gxh4 35. Rxh4 Rg5 36. g4 hxg4 37. Rxg4 Rf5 38. Rc4+ Kb6 39. f4 Rh5 40. Re4 Rf5 41. Kb4 Kc6 42. Rc4+ Kb6 43. Rd4 Kc6 44. c4 Rh5 45. c5 Rh2 46. Rd6+ Kc7 47. Kc3 Rf2 48. Rd4 Kc6 49. Rc4 Rf1 50. Kb2 Rh1 51. Kc3 Rd1 52. Rd4 Rc1 53. Rc4 Rd1 54. Rd4 Rc1 55. a5 Kxc5 56. Ra4 Rd1 57. a6 Rd8 58. a7 Ra8 59. Ra1 Kb6 60. Kb4 f6 61. Re1 e5 62. fxe5 fxe5 63. Rxe5 Rc8 64. Ra5 Ra8 65. c4 Kc6 66. c5 Kc7 67. Kb5 Kb7 68. c6+ Kc7 69. Kc5 Rh8 70. Rb5 Rh5+ 71. Kb4 Rh4+ 72. Ka5 Rh1 73. Ka6 Rh8 74. Rb8 Rxb8 75. axb8Q+ Kxb8 76. Kb6 Ka8 77. Kc7 1-0

[Event "Chicago op"]
[Site "Chicago"]
[Date "1992.??.??"]
[Round "6"]
[White "Nickoloff, Bryon"]
[Black "Colias, Billy"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2430"]
[BlackElo "2265"]
[PlyCount "55"]
[EventDate "1992.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 Qe7 5. g3 Nc6 6. Nc3 d6 7. d5 Bxc3 8. Bxc3 Nb8 9. Bg2 e5 10. c5 0-0 11. cxd6 cxd6 12. Nd2 Bg4 13. 0-0 Nbd7 14. f3 Nxd5 15. fxg4 Ne3 16. Qe1 d5 17. Nb3 Qe6 18. Qd2 Nxf1 19. Rxf1 d4 20. Bb4 Rfe8 21. e3 Rad8 22. exd4 exd4 23. Nxd4 Qxg4 24. Bc3 Nc5 25. Qf2 f6 26. Nf5 b6 27. Nh6+ gxh6 28. Qxf6 1-0

[Event "New York op"]
[Site "New York"]
[Date "1992.??.??"]
[Round "?"]
[White "Vasilyev, Mikhail"]
[Black "Colias, Billy"]
[Result "1-0"]
[ECO "B66"]
[BlackElo "2265"]
[PlyCount "122"]
[EventDate "1992.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 h6 9. Be3 Bd7 10. f3 b5 11. g4 Ne5 12. b3 Qa5 13. Kb1 Qc7 14. Nce2 Rc8 15. g5 hxg5 16. Bxg5 Nxf3 17. Nxf3 Nxe4 18. Qc1 Nf2 19. Bg2 Bc6 20. Ned4 Be4 21. Rde1 d5 22. Rhf1 Nd3 23. cxd3 Bxd3+ 24. Ka1 Bb4 25. Qxc7 Rxc7 26. Rc1 Bc3+ 27. Rxc3 Rxc3 28. Rd1 Be4 29. Kb2 Rc8 30. Bf4 f6 31. Rd2 Ke7 32. Bg3 Rh5 33. h4 e5 34. Bh3 Rc5 35. Bg4 Rh8 36. Nf5+ Bxf5 37. Bxf5 d4 38. Re2 Rc3 39. Bg4 Kf7 40. Be1 Re3 41. Rc2 Rd8 42. Bf2 Re4 43. Bh5+ g6 44. Nd2 Re3 45. Bxe3 dxe3 46. Nf1 gxh5 47. Nxe3 Rd4 48. Nf5 Rf4 49. Rc7+ Ke6 50. Ng7+ Kd6 51. Ra7 Rf2+ 52. Kc3 Kd5 53. Rxa6 e4 54. Nxh5 f5 55. Nf6+ Ke5 56. h5 Rh2 57. h6 b4+ 58. Kxb4 e3 59. Kc3 Kf4 60. Nd5+ Kf3 61. Ra7 f4 1-0

[Event "Chicago Illinois Class M/Ex"]
[Site "Chicago"]
[Date "1991.11.24"]
[Round "4"]
[White "Colias, Billy"]
[Black "Chow, Albert"]
[Result "1/2-1/2"]
[ECO "D29"]
[WhiteElo "2265"]
[BlackElo "2295"]
[PlyCount "109"]
[EventDate "1991.11.23"]
[EventType "swiss"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. 0-0 a6 7. Nc3 b5 8. Bb3 Bb7 9. Qe2 Nbd7 10. Rd1 Bd6 11. e4 cxd4 12. Nxd4 Qb8 13. h3 b4 14. Bxe6 fxe6 15. Nxe6 bxc3 16. e5 Bxe5 17. Nxg7+ Kf7 18. Rxd7+ Nxd7 19. Qh5+ Kxg7 20. Bh6+ Kg8 21. Qg4+ Kf7 22. Qxd7+ Kg6 23. Re1 Re8 24. Bf4 Bxf4 25. Re6+ Rxe6 26. Qxe6+ Kg7 27. Qe7+ Kg8 28. Qe6+ Kf8 29. Qf6+ Ke8 30. Qe6+ Kd8 31. Qf6+ Kd7 32. Qf7+ Kd8 33. Qf6+ Kd7 34. Qf7+ Kc6 35. Qc4+ Kb6 36. Qb4+ Kc6 37. Qc4+ Kd6 38. Qxf4+ Kc5 39. Qe3+ Kb5 40. Qd3+ Kb6 41. Qd4+ Kc7 42. Qf4+ Kd7 43. Qf7+ Kd6 44. Qf6+ Kd5 45. Qf3+ Ke6 46. Qg4+ Kd5 47. Qf3+ Ke5 48. Qg3+ Kf6 49. Qh4+ Kg6 50. Qg4+ Kf7 51. Qf5+ Ke7 52. Qg5+ Kd7 53. Qf5+ Kd6 54. Qf4+ Kc5 55. Qe3+ 1/2-1/2

[Event "Chicago Illinois Class M/Ex"]
[Site "Chicago"]
[Date "1991.11.24"]
[Round "3"]
[White "Colias, Billy"]
[Black "Martinovsky, Eugene Simeon"]
[Result "0-1"]
[ECO "D86"]
[WhiteElo "2265"]
[BlackElo "2375"]
[PlyCount "87"]
[EventDate "1991.11.23"]
[EventType "swiss"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 0-0 8. Ne2 Nc6 9. 0-0 b6 10. Bg5 Na5 11. Bd3 c5 12. d5 f6 13. Bh4 e5 14. c4 Bh6 15. Qc2 Qe7 16. Kh1 Bd7 17. Rae1 Nb7 18. Ng1 Nd6 19. f4 Bxf4 20. Rxf4 exf4 21. e5 Nf5 22. exf6 Qd6 23. Bxf5 Bxf5 24. Qc3 h6 25. Re7 Rf7 26. Nf3 Rxe7 27. fxe7 g5 28. Nxg5 hxg5 29. Bxg5 Kf7 30. h4 Rg8 31. Qe1 Ke8 32. Qe2 Rxg5 33. hxg5 Qxe7 34. Qd1 a5 35. Qa1 Kd7 36. Qb2 Kc7 37. Kh2 Kb7 38. Qf6 Qxf6 39. gxf6 Bg6 40. Kg1 Kc7 41. Kf2 Kd6 42. Kf3 Bh5+ 43. g4 fxg3+ 44. Kxg3 0-1

[Event "Chicago Illinois Class M/Ex"]
[Site "Chicago"]
[Date "1991.11.23"]
[Round "2"]
[White "Colias, Billy"]
[Black "Jakstas, Kazimieras"]
[Result "1-0"]
[ECO "D20"]
[WhiteElo "2265"]
[PlyCount "84"]
[EventDate "1991.11.23"]
[EventType "swiss"]
[EventRounds "4"]
[EventCountry "USA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 Nbd7 5. Nf3 e6 6. 0-0 Bd6 7. Nc3 0-0 8. e4 e5 9. Bg5 c6 10. h3 h6 11. Bh4 g5 12. Bg3 Qe7 13. Re1 b5 14. Bb3 a6 15. Qc2 Bb7 16. Rad1 Rac8 17. dxe5 Bxe5 18. Nxe5 Nxe5 19. Qe2 Rcd8 20. f4 gxf4 21. Bxf4 Kh7 22. Rf1 b4 23. Na4 Ng6 24. Rde1 Bc8 25. Qe3 Ng8 26. Nc5 a5 27. Re2 Be6 28. Bc2 Bc4 29. Bd3 Bxd3 30. Nxd3 Nxf4 31. Nxf4 Qe5 32. Rc1 Ne7 33. Qf3 Rd6 34. Nh5 f6 35. Rf1 Kg6 36. Qg4+ Qg5 37. Nf4+ Kf7 38. Qf3 Qe5 39. Qb3+ Kg7 40. Rf3 Kh7 41. Nd3 Qd4+ 42. Nf2 Ng6 1-0

[Event "USA"]
[Site "USA"]
[Date "1991.??.??"]
[Round "?"]
[White "Bachler, Kevin L"]
[Black "Colias, Billy"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "2165"]
[BlackElo "2265"]
[PlyCount "49"]
[EventDate "1991.??.??"]
[EventType "game"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 exd4 5. 0-0 Nxe4 6. Re1 d5 7. Bxd5 Qxd5 8. Nc3 Qa5 9. Nxe4 Be6 10. Bd2 Qa4 11. Bg5 Bb4 12. Nxd4 Bxe1 13. Nxe6 fxe6 14. Qh5+ g6 15. Qg4 Bxf2+ 16. Kh1 Nd4 17. Qf4 Qa5 18. Qf6 Kd7 19. Qxf2 Nf5 20. Rd1+ Kc8 21. g4 Qb6 22. Qd2 Nd6 23. Qc3 Kd7 24. Nc5+ Kc6 25. Na4+ 1-0

[Event "Manhattan op"]
[Site "New York"]
[Date "1991.??.??"]
[Round "?"]
[White "Colias, Billy"]
[Black "Gebran, Nagib"]
[Result "0-1"]
[ECO "D85"]
[WhiteElo "2265"]
[PlyCount "69"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 0-0 8. Rb1 c5 9. Be2 Nc6 10. d5 Ne5 11. Nxe5 Bxe5 12. Qc2 f5 13. Bd3 Qd6 14. c4 b6 15. h3 Bd4 16. Bb2 fxe4 17. Bxe4 Rxf2 18. Qxf2 Bxf2+ 19. Kxf2 Qf4+ 20. Bf3 Qd2+ 21. Kg3 Bf5 22. d6 Rd8 23. dxe7 Qg5+ 24. Kh2 Qxe7 25. Rbe1 Qg5 26. Bd5+ Rxd5 27. cxd5 Qf4+ 28. Kg1 Be4 29. d6 Bc6 30. Rd1 Qe4 31. Rh2 Qc2 32. Rf1 Qxb2 33. g3 Qd4+ 34. Rhf2 Qxd6 35. Kh2 0-1

[Event "New York op"]
[Site "New York"]
[Date "1991.??.??"]
[Round "?"]
[White "Colias, Billy"]
[Black "Graham, P."]
[Result "1/2-1/2"]
[ECO "E74"]
[WhiteElo "2265"]
[PlyCount "57"]
[EventDate "1991.03.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 c5 7. d5 Nbd7 8. Qd2 a6 9. a4 Re8 10. Nf3 Nf8 11. h3 Qc7 12. 0-0 e5 13. dxe6 Bxe6 14. Rad1 Red8 15. Bf4 Qc6 16. Qc2 Rd7 17. Rd2 Nh5 18. Bh2 Bh6 19. Rdd1 Re8 20. b3 f5 21. Bd3 f4 22. Nd5 Bxd5 23. exd5 Qc8 24. Nd2 Bg7 25. Ne4 Qd8 26. Rfe1 g5 27. f3 Rde7 28. Kf1 Ng6 29. Nf2 1/2-1/2

[Event "New York op"]
[Site "New York"]
[Date "1991.??.??"]
[Round "?"]
[White "Colias, Billy"]
[Black "Kennedy, Shernaz"]
[Result "1-0"]
[ECO "D58"]
[WhiteElo "2265"]
[BlackElo "2030"]
[PlyCount "59"]
[EventDate "1991.03.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bg5 0-0 6. e3 h6 7. Bh4 b6 8. Rc1 c5 9. cxd5 cxd4 10. Nxd4 exd5 11. Be2 Bb7 12. 0-0 Nbd7 13. Bf3 Ne5 14. Nf5 Nxf3+ 15. Qxf3 Bb4 16. Nxh6+ Kh7 17. Ng4 Be7 18. Nxf6+ Bxf6 19. Bxf6 gxf6 20. Rfd1 Rc8 21. Qh5+ Kg7 22. Rd4 Rc4 23. Rcd1 Rg8 24. Rxc4 Kf8 25. Rg4 Rxg4 26. Qxg4 Qd6 27. Qf4 Qc6 28. Rd4 a5 29. Rxd5 b5 30. Qd6+ 1-0

[Event "New York op"]
[Site "New York"]
[Date "1991.??.??"]
[Round "?"]
[White "Colias, Billy"]
[Black "Newton, Maurice"]
[Result "1-0"]
[ECO "E73"]
[WhiteElo "2265"]
[PlyCount "71"]
[EventDate "1991.03.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 0-0 5. Be2 d6 6. Bg5 b6 7. Qd2 Bb7 8. f3 Nc6 9. d5 Ne5 10. Nh3 Kh8 11. Nf2 Ng8 12. h4 Ba6 13. b3 h6 14. Rc1 hxg5 15. hxg5+ Bh6 16. f4 Nd7 17. Ng4 Kg7 18. gxh6+ Kh7 19. Qd4 f6 20. Bd3 Rf7 21. e5 dxe5 22. fxe5 fxe5 23. Bxg6+ Kh8 24. Nxe5 Nxe5 25. Bxf7 Qd6 26. Ne4 c5 27. Qc3 Qc7 28. Rh5 Nf6 29. Qxe5 Qxe5 30. Rxe5 Ng4 31. Rxe7 Nxh6 32. Bg6 Ng4 33. Ke2 Rf8 34. Rh1+ Kg8 35. Bh7+ Kh8 36. Bf5+ 1-0

[Event "New York op"]
[Site "New York"]
[Date "1991.??.??"]
[Round "?"]
[White "Colias, Billy"]
[Black "Parker, Glen"]
[Result "1-0"]
[ECO "A59"]
[WhiteElo "2265"]
[PlyCount "61"]
[EventDate "1991.03.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 Bxa6 6. Nc3 d6 7. e4 Bxf1 8. Kxf1 g6 9. g4 Qc8 10. h3 Bg7 11. Kg2 0-0 12. Nge2 Nfd7 13. Bg5 Qe8 14. Qd2 f5 15. exf5 gxf5 16. Nf4 fxg4 17. hxg4 Ne5 18. Rae1 Qf7 19. Qc2 h6 20. Bxh6 Nxg4 21. Bg5 Be5 22. Rh4 Bxf4 23. Rxe7 Qf5 24. Qxf5 Rxf5 25. Bxf4 Rxf4 26. Kg3 Rf6 27. Rxg4+ Kf8 28. Rb7 Rf7 29. Rb6 Nd7 30. Rxd6 Ne5 31. Ra4 1-0

[Event "Manhattan op"]
[Site "New York"]
[Date "1991.??.??"]
[Round "?"]
[White "Colias, Billy"]
[Black "Schutt, Ricardo de Amorim"]
[Result "0-1"]
[ECO "E73"]
[WhiteElo "2265"]
[PlyCount "59"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 h6 7. Be3 e5 8. d5 Nbd7 9. g4 Nc5 10. f3 a5 11. Qd2 h5 12. h3 Nh7 13. 0-0-0 h4 14. Kb1 Bf6 15. f4 exf4 16. Bxf4 Bg5 17. Nf3 Bxf4 18. Qxf4 g5 19. Qe3 Re8 20. e5 Nd7 21. Bd3 Nxe5 22. Bxh7+ Kxh7 23. Nxg5+ Kg6 24. Nce4 f6 25. Rhf1 fxg5 26. Rf6+ Qxf6 27. Nxf6 Kxf6 28. Rf1+ Kg6 29. Qe4+ Kg7 30. c5 0-1

[Event "New York op"]
[Site "New York"]
[Date "1991.??.??"]
[Round "?"]
[White "Goldberg, Mitchell"]
[Black "Colias, Billy"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "2365"]
[BlackElo "2265"]
[PlyCount "62"]
[EventDate "1991.03.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Bd3 d5 5. b3 Nbd7 6. 0-0 Bd6 7. Nbd2 e5 8. dxe5 Nxe5 9. Bb2 Qc7 10. Nxe5 Bxe5 11. Bb5+ Bd7 12. Bxd7+ Nxd7 13. Bxe5 Nxe5 14. e4 dxe4 15. Nxe4 Rd8 16. Qh5 0-0 17. f4 Nd7 18. f5 Qe5 19. Qh4 f6 20. Rad1 Nb8 21. Ng3 Rd4 22. Qh5 Re8 23. h3 Nd7 24. Rxd4 cxd4 25. Rd1 Qe3+ 26. Kh1 Rc8 27. Qh4 Rxc2 28. Qxd4 Qxg3 29. Qe4 Rc7 30. Qe6+ Kf8 31. Re1 Ne5 0-1

[Event "Manhattan op"]
[Site "New York"]
[Date "1991.??.??"]
[Round "?"]
[White "McFarland, L."]
[Black "Colias, Billy"]
[Result "0-1"]
[ECO "D40"]
[BlackElo "2265"]
[PlyCount "54"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. a3 c5 4. Nf3 cxd4 5. Nxd4 Nc6 6. Nc3 d5 7. e3 Be7 8. Be2 0-0 9. 0-0 e5 10. Nxc6 bxc6 11. b4 Be6 12. Qb3 Qc7 13. Bb2 Rfd8 14. Rac1 Qb7 15. Rfd1 Rac8 16. Na2 Bd6 17. Qa4 Qe7 18. c5 Bb8 19. Nc3 d4 20. exd4 exd4 21. Nb1 d3 22. Rxd3 Rxd3 23. Bxf6 Qxf6 24. Bxd3 Qf4 25. Qd1 Qxh2+ 26. Kf1 Qh1+ 27. Ke2 Bg4+ 0-1

[Event "New York op"]
[Site "New York"]
[Date "1991.??.??"]
[Round "?"]
[White "Moulin, Pierre"]
[Black "Colias, Billy"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "2290"]
[BlackElo "2265"]
[PlyCount "25"]
[EventDate "1991.03.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 h6 8. Bc4 Be6 9. Qe2 Qc7 10. Bb3 Be7 11. 0-0 g5 12. a4 Nbd7 13. a5 1-0

[Event "New York op"]
[Site "New York"]
[Date "1991.??.??"]
[Round "?"]
[White "Robinson, Adam"]
[Black "Colias, Billy"]
[Result "0-1"]
[ECO "A25"]
[BlackElo "2265"]
[PlyCount "66"]
[EventDate "1991.03.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. g3 e5 2. c4 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. Rb1 d6 6. b4 a6 7. a4 Nf6 8. b5 axb5 9. axb5 Ne7 10. Nf3 0-0 11. 0-0 Rb8 12. d3 h6 13. Bb2 Be6 14. c5 Qd7 15. cxd6 cxd6 16. d4 e4 17. Nd2 d5 18. f3 Nf5 19. Qa4 Ra8 20. Qb4 Ne3 21. Rfc1 exf3 22. Nxf3 Bf5 23. Ne5 Qe6 24. Bf3 Nc2 25. Rxc2 Bxc2 26. Rc1 Be4 27. Nxe4 Nxe4 28. Rc7 Rac8 29. Rxb7 Rc2 30. b6 Ng5 31. Re7 Nxf3+ 32. exf3 Qh3 33. Ng4 Qg2# 0-1

[Event "Manhattan op"]
[Site "New York"]
[Date "1991.??.??"]
[Round "?"]
[White "Sammour Hasbun, Jorge E"]
[Black "Colias, Billy"]
[Result "0-1"]
[ECO "B96"]
[BlackElo "2265"]
[PlyCount "50"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 Nbd7 7. f4 e6 8. Qf3 Qc7 9. 0-0-0 b5 10. g4 Bb7 11. Bxf6 Nxf6 12. g5 b4 13. gxf6 bxc3 14. bxc3 gxf6 15. Bh3 f5 16. Qh5 Qxc3 17. Rd3 Qa1+ 18. Kd2 Qxh1 19. Nxe6 Qxh2+ 20. Kd1 Rc8 21. Ng5 Qxc2+ 22. Ke1 Qc1+ 23. Ke2 Rc2+ 24. Kf3 Qh1+ 25. Kg3 Qe1+ 0-1

[Event "Manhattan op"]
[Site "New York"]
[Date "1991.??.??"]
[Round "?"]
[White "Smith"]
[Black "Colias, Billy"]
[Result "1/2-1/2"]
[ECO "C36"]
[BlackElo "2265"]
[PlyCount "35"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 Nf6 4. Nc3 d5 5. exd5 Nxd5 6. Nxd5 Qxd5 7. d4 g5 8. h4 g4 9. Ne5 Be7 10. c3 h5 11. Qc2 Be6 12. Bxf4 Qd8 13. g3 Nd7 14. 0-0-0 c6 15. Bc4 Bxc4 16. Nxc4 Nb6 17. Ne5 Qd5 18. Qe2 1/2-1/2

[Event "New York State-ch"]
[Site "New York"]
[Date "1991.??.??"]
[Round "1"]
[White "Tamarkin, Larry S"]
[Black "Colias, Billy"]
[Result "0-1"]
[ECO "B26"]
[BlackElo "2265"]
[PlyCount "85"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nge2 g6 4. g3 Bg7 5. Bg2 e6 6. d3 d6 7. 0-0 Nge7 8. Be3 Nd4 9. Nf4 0-0 10. Qd2 Rb8 11. Nd1 b5 12. c3 Ndc6 13. a3 a5 14. Nh3 Ne5 15. f3 b4 16. axb4 axb4 17. Nhf2 Qd7 18. Bh6 f5 19. Bxg7 Kxg7 20. f4 Nf7 21. d4 bxc3 22. bxc3 c4 23. Ne3 d5 24. exd5 exd5 25. Ra5 Bb7 26. Rfa1 Rfe8 27. h3 Nh6 28. Kh2 Nhg8 29. Bf3 Nf6 30. Nfd1 Qd6 31. Qg2 Ne4 32. Bxe4 fxe4 33. Rb1 Bc6 34. Rc1 Rb3 35. Ra2 Rf8 36. Rcc2 h5 37. Rf2 Bd7 38. Ra5 Kg8 39. Kg1 Kh7 40. Qf1 Rb1 41. Kh2 h4 42. gxh4 Kg7 43. Ra7 0-1

[Event "US Open-91"]
[Site "Jacksonville"]
[Date "1990.??.??"]
[Round "?"]
[White "Bonin, Jay R"]
[Black "Colias, Billy"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2385"]
[BlackElo "2290"]
[PlyCount "105"]
[EventDate "1990.08.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Bb5+ Nc6 9. 0-0 0-0 10. Bxc6 bxc6 11. Ba3 cxd4 12. Nxd4 Qc7 13. Qa4 Bb7 14. Bc5 Be5 15. h3 Bh2+ 16. Kh1 Bd6 17. Nb3 Bc8 18. Rad1 Be6 19. Bxd6 Bxb3 20. axb3 exd6 21. f4 Rab8 22. Qc4 Rb5 23. f5 Re5 24. fxg6 hxg6 25. Rf6 Kg7 26. Rfxd6 Qe7 27. Rd7 Qe8 28. Qxc6 Rxe4 29. Rf1 Kg8 30. Qc7 Re3 31. Rd4 Qb5 32. Qc4 Qb7 33. Rh4 Rd8 34. Rxf7 Qxf7 35. Rh8+ Kxh8 36. Qxf7 Rdd3 37. c4 Rxb3 38. Qxg6 Rec3 39. Kh2 a5 40. c5 a4 41. c6 a3 42. c7 a2 43. Qe8+ Kg7 44. Qa4 Rxc7 45. Qxb3 a1Q 46. Qg3+ Kh8 47. Qxc7 Qd4 48. Qc8+ Kh7 49. Qf5+ Kh6 50. Qg4 Qe5+ 51. Qg3 Qe4 52. h4 Kh5 53. Qg5# 1-0

[Event "USA Masters"]
[Site "Chicago"]
[Date "1990.??.??"]
[Round "5"]
[White "Castaneda, Reinaldo"]
[Black "Colias, Billy"]
[Result "1/2-1/2"]
[ECO "B33"]
[BlackElo "2290"]
[PlyCount "41"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 Bxf6 11. c3 Bg5 12. Nc2 0-0 13. Be2 Rb8 14. 0-0 Kh8 15. Ncb4 Nxb4 16. Nxb4 Bb7 17. Qd3 Re8 18. Bg4 Qc7 19. Nd5 Bxd5 20. Qxd5 Kg8 21. Rad1 1/2-1/2

[Event "World op 18th"]
[Site "Philadelphia"]
[Date "1990.??.??"]
[Round "?"]
[White "Colias, Billy"]
[Black "Christensen, Wayne"]
[Result "1-0"]
[ECO "E20"]
[WhiteElo "2290"]
[PlyCount "39"]
[EventDate "1990.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 Nh5 5. g3 f5 6. e4 0-0 7. Bg2 c5 8. d5 fxe4 9. fxe4 Qf6 10. Qc2 Qd4 11. Nf3 Bxc3+ 12. bxc3 Qf6 13. e5 Qd8 14. 0-0 d6 15. dxe6 dxe5 16. Bg5 Nf6 17. Nxe5 Qc7 18. Bd5 Nxd5 19. Rxf8+ Kxf8 20. Qxh7 1-0

[Event "US Open-91"]
[Site "Jacksonville"]
[Date "1990.??.??"]
[Round "?"]
[White "Colias, Billy"]
[Black "Gallegos, Paul"]
[Result "1-0"]
[ECO "E74"]
[WhiteElo "2290"]
[PlyCount "75"]
[EventDate "1990.08.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be2 0-0 6. Bg5 c5 7. d5 Qa5 8. Bd2 Bd7 9. Nf3 Qc7 10. h3 a6 11. a4 e5 12. g4 Qd8 13. Bg5 Qa5 14. Nd2 Qb4 15. Ra3 Qb6 16. Kf1 h6 17. Be3 Qd8 18. a5 Qc8 19. Qb1 h5 20. f3 Ne8 21. Kg2 f5 22. g5 f4 23. Bf2 Qd8 24. h4 Bc8 25. b4 Nd7 26. Na4 Rf7 27. bxc5 Qxa5 28. Qb2 dxc5 29. Nxc5 Qc7 30. Ne6 Qb8 31. c5 Nf8 32. Nxg7 Rxg7 33. Rb1 Qc7 34. d6 Nxd6 35. cxd6 Qxd6 36. Nc4 Qe6 37. Nb6 Qh3+ 38. Kg1 1-0

[Event "World op 18th"]
[Site "Philadelphia"]
[Date "1990.??.??"]
[Round "6"]
[White "Colias, Billy"]
[Black "Harris, Derek JE"]
[Result "1/2-1/2"]
[ECO "E80"]
[WhiteElo "2290"]
[BlackElo "2215"]
[PlyCount "94"]
[EventDate "1990.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 Nc6 6. Be3 e5 7. d5 Nd4 8. Bxd4 exd4 9. Qxd4 Nh5 10. Qd2 Qh4+ 11. Qf2 Bxc3+ 12. bxc3 Qe7 13. Bd3 f5 14. Ne2 0-0 15. 0-0 fxe4 16. Bxe4 Nf6 17. Ng3 Ng4 18. Qe1 Ne5 19. Qe2 b6 20. f4 Bg4 21. Qf2 Nxc4 22. Qd4 b5 23. a4 a6 24. axb5 axb5 25. Rxa8 Rxa8 26. h3 Bd7 27. f5 gxf5 28. Nxf5 Bxf5 29. Bxf5 Qe3+ 30. Qxe3 Nxe3 31. Be6+ Kh8 32. Rf7 Ra2 33. g4 Rg2+ 34. Kh1 Rg3 35. h4 h6 36. Kh2 Rg2+ 37. Kh3 Rg1 38. Kh2 Rg2+ 39. Kh1 Rg3 40. Rxc7 Nxg4 41. Bxg4 Rxg4 42. Rc6 Rxh4+ 43. Kg2 Rc4 44. Rxd6 Rxc3 45. Rxh6+ Kg7 46. Rb6 Rd3 47. d6 Kf7 1/2-1/2

[Event "US Open-91"]
[Site "Jacksonville"]
[Date "1990.??.??"]
[Round "?"]
[White "Colias, Billy"]
[Black "Hough, Randall D"]
[Result "1-0"]
[ECO "E15"]
[WhiteElo "2290"]
[PlyCount "73"]
[EventDate "1990.08.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. b3 Bb4+ 6. Bd2 Be7 7. Bg2 d5 8. Bc3 c6 9. Nbd2 0-0 10. 0-0 Bb7 11. Qc2 Nbd7 12. Rfd1 c5 13. dxc5 Nxc5 14. Qb2 Rc8 15. Rac1 Rc7 16. Qb1 Qa8 17. Ng5 Nfe4 18. Ngxe4 dxe4 19. Nf1 Bg5 20. Bd2 Bxd2 21. Rxd2 Rd8 22. Rxd8+ Qxd8 23. Rd1 Rd7 24. Rxd7 Qxd7 25. b4 Na4 26. Qc2 f5 27. Ne3 Kf7 28. Bf1 Ke7 29. Ng2 Bc8 30. e3 Qe8 31. Be2 Bd7 32. Qd2 Qc8 33. Qd4 Kf7 34. Bh5+ g6 35. Bd1 Qe8 36. Bb3 Qc8 37. Nf4 1-0

[Event "USA Masters"]
[Site "Chicago"]
[Date "1990.??.??"]
[Round "1"]
[White "Colias, Billy"]
[Black "MacKenzie, Dana N"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "2290"]
[PlyCount "131"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 Be7 4. Nbd2 c5 5. e3 b6 6. Bd3 Ba6 7. Bxa6 Nxa6 8. 0-0 0-0 9. c3 Nd5 10. Bxe7 Qxe7 11. a4 f5 12. Qe2 Nac7 13. Rfd1 cxd4 14. cxd4 d6 15. Rdc1 Rac8 16. Rc4 Qd7 17. Rac1 Ne7 18. Qd1 Ncd5 19. Qb3 Rxc4 20. Rxc4 h6 21. Ne1 g5 22. Nd3 Kg7 23. Nb1 Ng8 24. Nc3 Ngf6 25. Qb5 Rf7 26. Qc6 Nxc3 27. bxc3 Ne4 28. Qxd7 Rxd7 29. Rc8 Nf6 30. c4 Ng8 31. g3 Ne7 32. Re8 Kf7 33. Ra8 Rc7 34. Nb2 Nc8 35. Rb8 Ke7 36. a5 bxa5 37. Rb5 a4 38. Ra5 Rb7 39. Nxa4 Rb1+ 40. Kg2 Ra1 41. c5 dxc5 42. dxc5 Kd8 43. h4 Kc7 44. h5 Kc6 45. Ra6+ Kb5 46. Rxe6 Rxa4 47. Re8 Rc4 48. Rxc8 Rxc5 49. Rb8+ Kc4 50. Ra8 Rc7 51. Kf3 Kb4 52. g4 Rf7 53. gxf5 Rxf5+ 54. Kg3 a5 55. Ra6 a4 56. Rxh6 a3 57. Rd6 a2 58. Rd1 Ra5 59. Ra1 Kb3 60. Kg4 Kb2 61. Re1 a1Q 62. Rxa1 Kxa1 63. h6 Kb2 64. f4 gxf4 65. exf4 Kc3 66. h7 1/2-1/2

[Event "US Open-91"]
[Site "Jacksonville"]
[Date "1990.??.??"]
[Round "?"]
[White "Colias, Billy"]
[Black "Rosenberger, Berthold"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2290"]
[BlackElo "2300"]
[PlyCount "57"]
[EventDate "1990.08.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. e3 g6 6. Nc3 d6 7. a4 Bg7 8. Nf3 0-0 9. Be2 Nbd7 10. 0-0 axb5 11. Bxb5 Ba6 12. Ra3 Bxb5 13. axb5 Qb6 14. Qe2 Rfb8 15. Bd2 Ne8 16. Rfa1 Rxa3 17. Rxa3 Nc7 18. Rb3 Bxc3 19. bxc3 Nxd5 20. c4 N5f6 21. e4 Ra8 22. Bc3 e5 23. Nd2 Ne8 24. f4 exf4 25. Qg4 Qc7 26. Qxf4 Nb6 27. Bb2 Qe7 28. Qh6 Ra4 29. Qxh7+ 1-0

[Event "World op 18th"]
[Site "Philadelphia"]
[Date "1990.??.??"]
[Round "?"]
[White "Colias, Billy"]
[Black "Rubenchik, Rodion"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "2290"]
[PlyCount "135"]
[EventDate "1990.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. cxd5 exd5 6. Bg5 c6 7. Qc2 0-0 8. e3 Nbd7 9. Bd3 Re8 10. 0-0 Nf8 11. Bxf6 Bxf6 12. b4 Bg4 13. Nd2 Rc8 14. Nb3 b6 15. Rac1 Qd6 16. a3 Bd8 17. b5 c5 18. dxc5 bxc5 19. Bf5 Bc7 20. g3 Bxf5 21. Qxf5 Rcd8 22. a4 g6 23. Qf3 Re5 24. Rfd1 Ne6 25. Qg2 c4 26. Nd2 Qc5 27. Nf3 Rf5 28. Ne2 Ba5 29. Ned4 Nxd4 30. Nxd4 Rf6 31. Nc6 Rxc6 32. bxc6 Qxc6 33. Rd4 c3 34. Qf1 Bb6 35. Rd3 Qxa4 36. Rdxc3 d4 37. exd4 Qxd4 38. Rc8 Rxc8 39. Rxc8+ Kg7 40. Qe2 a5 41. Rc4 Qa1+ 42. Kg2 Qf6 43. Qc2 Qe5 44. Rf4 Bd8 45. Qa2 Bf6 46. h4 h5 47. Ra4 Bd8 48. Qb3 Bc7 49. Qb7 Bd6 50. Re4 Qf6 51. Qc8 Bb4 52. Qa8 Bd2 53. Qd5 Bb4 54. Re8 Bc3 55. Re4 Bb4 56. Rf4 Qe7 57. Qd4+ Kh7 58. Kh2 Bc5 59. Qc4 Kg7 60. Re4 Qa7 61. Qc3+ Kh7 62. Rc4 Bxf2 63. Rf4 Bg1+ 64. Kg2 Be3 65. Rf1 Bd4 66. Qc4 Kg7 67. Qd5 a4 68. Rxf7+ 1/2-1/2

[Event "USA Masters"]
[Site "Chicago"]
[Date "1990.??.??"]
[Round "6"]
[White "Colias, Billy"]
[Black "Schiller, Eric Andrew"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "2290"]
[BlackElo "2270"]
[PlyCount "103"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Qb6 5. Nb3 Nf6 6. Nc3 e6 7. g3 Bb4 8. Bg2 0-0 9. 0-0 Bxc3 10. bxc3 d5 11. exd5 Nxd5 12. c4 Nf6 13. c5 Qc7 14. Qd6 Qxd6 15. cxd6 Rd8 16. Ba3 Ne5 17. Na5 Rb8 18. Rab1 Nd5 19. Rfe1 Nd7 20. Rb3 N5b6 21. Rc3 Nf6 22. Rc7 Nbd5 23. c4 Nb6 24. c5 Nbd5 25. c6 bxc6 26. Nxc6 Bd7 27. Nxd8 Rxd8 28. Rxa7 Kf8 29. Rb1 Nc3 30. Rb2 Ke8 31. Ra8 Nb5 32. Bb4 Nd5 33. Rxd8+ Kxd8 34. a4 Na7 35. Ba5+ Kc8 36. Rc2+ Nc6 37. Bxd5 exd5 38. Rc5 d4 39. Kf1 Kb7 40. Ke1 Ka6 41. Bc7 Nb4 42. Rc4 Nc6 43. f4 Kb7 44. Kd2 h5 45. Rc1 Bf5 46. Rc5 Be4 47. Rb5+ Kc8 48. Rxh5 d3 49. Bb6 Kd7 50. a5 Nb8 51. Rb5 Na6 52. Bd4 1-0

[Event "US Open-91"]
[Site "Jacksonville"]
[Date "1990.??.??"]
[Round "?"]
[White "Colias, Billy"]
[Black "Schorr, Leon"]
[Result "1/2-1/2"]
[ECO "A56"]
[WhiteElo "2290"]
[BlackElo "2235"]
[PlyCount "103"]
[EventDate "1990.08.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 Be7 6. h3 Nbd7 7. Bd3 a6 8. a4 b6 9. Be3 Rb8 10. Qd2 0-0 11. Nf3 Ne8 12. g4 Ndf6 13. Rb1 g6 14. Nh2 Rb7 15. Ke2 Ng7 16. f3 Kh8 17. Kf2 Ng8 18. b4 f5 19. Kg2 Bh4 20. bxc5 bxc5 21. Rxb7 Bxb7 22. Rb1 Bc8 23. Nd1 fxg4 24. hxg4 h5 25. g5 Qd7 26. Nc3 Bg3 27. Bf1 Bxh2 28. Kxh2 Rxf3 29. Bg2 Rf8 30. a5 h4 31. Rh1 Nh5 32. Kg1 Qg4 33. Bf2 Ng3 34. Rh3 Kg7 35. Bxg3 hxg3 36. Qe3 Qd7 37. Rxg3 Qc7 38. Rf3 Rxf3 39. Qxf3 Qxa5 40. Bh3 Qa1+ 41. Kh2 Qb2+ 42. Ne2 Bxh3 43. Kxh3 Qd2 44. Qg4 a5 45. Ng3 a4 46. Qd7+ Kh8 47. Qxd6 Qxg5 48. Qxc5 Qh6+ 49. Kg2 Qd2+ 50. Kh3 Qh6+ 51. Kg2 Qd2+ 52. Kh3 1/2-1/2

[Event "US Open-91"]
[Site "Jacksonville"]
[Date "1990.??.??"]
[Round "?"]
[White "Colias, Billy"]
[Black "Taiana, DO."]
[Result "1/2-1/2"]
[ECO "E20"]
[WhiteElo "2290"]
[PlyCount "28"]
[EventDate "1990.08.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. f3 d5 5. a3 Be7 6. e4 dxe4 7. fxe4 e5 8. d5 0-0 9. Qf3 a5 10. Bd3 Nbd7 11. h3 Ne8 12. Nge2 Nc5 13. Bc2 Nd6 14. b3 f5 1/2-1/2

[Event "World op 18th"]
[Site "Philadelphia"]
[Date "1990.??.??"]
[Round "8"]
[White "Colias, Billy"]
[Black "Trammell, George"]
[Result "1-0"]
[ECO "D87"]
[WhiteElo "2290"]
[PlyCount "61"]
[EventDate "1990.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 0-0 9. 0-0 Qc7 10. d5 Nd7 11. f4 Nb6 12. Bb3 c4 13. Bc2 Bg4 14. Bd2 Qc5+ 15. Kh1 f5 16. h3 Bxe2 17. Qxe2 fxe4 18. Be3 Qc7 19. Bxe4 Na4 20. Bd2 b5 21. d6 Qxd6 22. Bxa8 Rxa8 23. f5 Rd8 24. Bg5 gxf5 25. Rad1 Qc7 26. Qe6+ Kh8 27. Bf4 Qc8 28. Rxd8+ Qxd8 29. Be5 Qg8 30. Qxe7 Nxc3 31. Rxf5 1-0

[Event "USA Masters"]
[Site "Chicago"]
[Date "1990.??.??"]
[Round "4"]
[White "Colias, Billy"]
[Black "Zabell, Sandy"]
[Result "1-0"]
[ECO "D87"]
[WhiteElo "2290"]
[PlyCount "83"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 0-0 9. 0-0 Nc6 10. Be3 Qc7 11. Rc1 Rd8 12. Bf4 Qd7 13. d5 Na5 14. Bd3 b6 15. c4 Ba6 16. Bg5 Rac8 17. a4 Nc6 18. f4 f6 19. Bh4 e6 20. e5 exd5 21. exf6 dxc4 22. Bxc4+ Bxc4 23. Qxd7 Rxd7 24. Rxc4 Bh8 25. g4 Kf7 26. g5 Re8 27. Re1 Nb4 28. Nc3 Rxe1+ 29. Bxe1 Bxf6 30. gxf6 Kxf6 31. Ne4+ Kf5 32. Bxb4 cxb4 33. Rxb4 h5 34. Ng3+ Kg4 35. f5+ Kg5 36. h4+ Kf6 37. fxg6 Kxg6 38. Kg2 Rd3 39. Rc4 Rd2+ 40. Kf3 Rh2 41. Rd4 Kh6 42. Rd5 1-0

[Event "US Open-91"]
[Site "Jacksonville"]
[Date "1990.??.??"]
[Round "?"]
[White "Delgado, I."]
[Black "Colias, Billy"]
[Result "0-1"]
[ECO "D89"]
[WhiteElo "2300"]
[BlackElo "2290"]
[PlyCount "64"]
[EventDate "1990.08.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 c5 8. Ne2 0-0 9. 0-0 Nc6 10. Be3 Bg4 11. f3 cxd4 12. cxd4 Na5 13. Bd3 Be6 14. Qa4 a6 15. d5 b5 16. Qb4 Bxa1 17. Rxa1 Bd7 18. Qd4 f6 19. Bh6 Re8 20. e5 fxe5 21. Qxe5 Qb6+ 22. Be3 Qf6 23. Qc7 Qxa1+ 24. Kf2 Qf6 25. Qxd7 Nc4 26. Bxc4 bxc4 27. Qa4 Rac8 28. g3 Qe5 29. Qxa6 Qxd5 30. Nc3 Qe5 31. Qa3 Red8 32. Bf4 Qc5+ 0-1

[Event "World op 18th"]
[Site "Philadelphia"]
[Date "1990.??.??"]
[Round "?"]
[White "Frenkel, Filipp"]
[Black "Colias, Billy"]
[Result "1-0"]
[ECO "C20"]
[WhiteElo "2225"]
[BlackElo "2290"]
[PlyCount "39"]
[EventDate "1990.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. d3 Bc5 3. f4 Bxg1 4. Rxg1 Qh4+ 5. g3 Qxh2 6. Rg2 Qh1 7. fxe5 Ne7 8. Nc3 0-0 9. Bg5 f6 10. exf6 d5 11. e5 Bh3 12. Qe2 Nbc6 13. 0-0-0 Nd4 14. Qf2 Bxg2 15. Bxg2 Qh5 16. Bf4 Nef5 17. Bxd5+ Kh8 18. g4 Qxg4 19. Rg1 Qh5 20. Qxd4 1-0

[Event "US Open-91"]
[Site "Jacksonville"]
[Date "1990.??.??"]
[Round "?"]
[White "Garcia, Gildardo"]
[Black "Colias, Billy"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "2465"]
[BlackElo "2290"]
[PlyCount "87"]
[EventDate "1990.08.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nf3 h6 8. 0-0 Be7 9. Re1 0-0 10. Bf1 Be6 11. h3 Nbd7 12. a4 Qc7 13. g4 Rad8 14. Bg2 g5 15. a5 Nc5 16. Nh2 Bc8 17. Be3 Rde8 18. Nf1 Ne6 19. Bb6 Qc6 20. Ne3 Nf4 21. Ra4 Be6 22. Ned5 Bxd5 23. exd5 Qd7 24. Be3 Rc8 25. Bxf4 Rxc3 26. Ra1 Rc4 27. Bd2 Qb5 28. b3 Rc7 29. c4 Qd7 30. Be3 Rcc8 31. Qd3 Kg7 32. b4 Rh8 33. Rac1 h5 34. f3 hxg4 35. fxg4 Nxg4 36. hxg4 Qxg4 37. Rf1 Rh3 38. Rfe1 Rch8 39. Qe4 Qg3 40. Kf1 f5 41. Qd3 Rh1+ 42. Bxh1 Rxh1+ 43. Ke2 Qg2+ 44. Bf2 1-0

[Event "World op 18th"]
[Site "Philadelphia"]
[Date "1990.??.??"]
[Round "4"]
[White "Glek, Igor Vladimirovich"]
[Black "Colias, Billy"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2535"]
[BlackElo "2290"]
[PlyCount "111"]
[EventDate "1990.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. g3 d5 5. exd5 Nxd5 6. Bg2 Nxc3 7. bxc3 Bd6 8. 0-0 0-0 9. d4 Bg4 10. Qd3 Qf6 11. Bg5 Qf5 12. dxe5 Nxe5 13. Qxf5 Bxf5 14. Nd4 Bg6 15. f4 Nc6 16. f5 Bh5 17. Nxc6 bxc6 18. Bxc6 Rab8 19. Be3 a6 20. Rf2 Rb2 21. Kg2 Rbb8 22. Bd4 f6 23. c4 Rbd8 24. c3 Bf7 25. c5 Be5 26. Rd1 Bd5+ 27. Bxd5+ Rxd5 28. g4 c6 29. Kf3 Rb8 30. Rfd2 Bxd4 31. cxd4 Rb4 32. Ke3 a5 33. Rf1 Kf7 34. Rf4 Rd7 35. Re4 Re7 36. Rxe7+ Kxe7 37. Rd3 Rb2 38. Ra3 Rxh2 39. Rxa5 Rh3+ 40. Ke4 h5 41. Ra7+ Kf8 42. d5 cxd5+ 43. Kd4 Rh1 44. c6 Rd1+ 45. Ke3 Rc1 46. c7 Ke8 47. Ra8+ Kd7 48. c8Q+ Rxc8 49. Rxc8 Kxc8 50. gxh5 Kc7 51. Kd4 Kc6 52. a4 Kd6 53. a5 Kc6 54. a6 Kb6 55. Kxd5 Kxa6 56. Ke6 1-0

[Event "World op 18th"]
[Site "Philadelphia"]
[Date "1990.??.??"]
[Round "2"]
[White "Hellers, Ferdinand"]
[Black "Colias, Billy"]
[Result "1-0"]
[ECO "C99"]
[WhiteElo "2525"]
[BlackElo "2290"]
[PlyCount "61"]
[EventDate "1990.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 d6 8. c3 0-0 9. h3 Na5 10. Bc2 c5 11. d4 Qc7 12. Nbd2 cxd4 13. cxd4 Bb7 14. Nf1 Rac8 15. Bb1 d5 16. exd5 exd4 17. Bg5 Rfe8 18. Qd3 Qc4 19. Rxe7 Rxe7 20. Qa3 h6 21. Bxf6 Qxf1+ 22. Kh2 Qxf2 23. Bxe7 Bxd5 24. Bh4 Qe3 25. Qd3 Qxd3 26. Bxd3 Bxf3 27. gxf3 Re8 28. Bf2 Nc4 29. Bxc4 bxc4 30. Bxd4 Re2+ 31. Kg3 1-0

[Event "World op 18th"]
[Site "Philadelphia"]
[Date "1990.??.??"]
[Round "?"]
[White "Issaac, B."]
[Black "Colias, Billy"]
[Result "0-1"]
[ECO "C56"]
[BlackElo "2290"]
[PlyCount "44"]
[EventDate "1990.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. e5 d5 6. Bb5 Ne4 7. Nxd4 Bd7 8. Bxc6 bxc6 9. 0-0 Bc5 10. Be3 0-0 11. Nd2 Qe7 12. Nxe4 dxe4 13. e6 fxe6 14. Qe2 Bd6 15. Qc4 Qh4 16. h3 Rf6 17. Nxc6 Rg6 18. Kh1 Kh8 19. Rae1 Rf8 20. Bxa7 Qf4 21. g3 Qf3+ 22. Kh2 Bxg3+ 0-1

[Event "World op 18th"]
[Site "Philadelphia"]
[Date "1990.??.??"]
[Round "?"]
[White "Katrein, Matthew R"]
[Black "Colias, Billy"]
[Result "1-0"]
[ECO "E63"]
[BlackElo "2290"]
[PlyCount "54"]
[EventDate "1990.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "EXT 1998"]
[Source "ChessBase"]
[SourceDate "1997.11.17"]
[SourceVersion "1"]
[SourceVersionDate "1997.11.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 d6 6. d4 Nc6 7. 0-0 a6 8. b3 Rb8 9. Bb2 b5 10. cxb5 axb5 11. Rc1 Na5 12. Qc2 Bh6 13. Rcd1 Bb7 14. e4 Nc6 15. e5 Nb4 16. Qb1 Nfd5 17. Ne4 Bg7 18. h4 Bc8 19. Rc1 Bf5 20. a3 Na6 21. Nfd2 b4 22. a4 Nc3 23. Qd3 Qc8 24. Bxc3 bxc3 25. Qxc3 c5 26. exd6 Bxd4 27. Qa5 e6 1-0

[Event "US Open-91"]
[Site "Jacksonville"]
[Date "1990.??.??"]
[Round "?"]
[White "Long, Matthew"]
[Black "Colias, Billy"]
[Result "1-0"]
[ECO "A04"]
[BlackElo "2290"]
[PlyCount "117"]
[EventDate "1990.08.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 e5 7. Nbd2 Bg4 8. h3 Be6 9. c3 h6 10. Nc4 Nge7 11. Ne3 Qd7 12. Kh2 f5 13. Qa4 0-0 14. Nh4 f4 15. Nd5 fxg3+ 16. fxg3 Rxf1 17. Nxe7+ Nxe7 18. Qxd7 Bxd7 19. Bxf1 Rf8 20. Be3 Kh7 21. Be2 h5 22. Rf1 Rxf1 23. Bxf1 Bh6 24. Ng2 Be6 25. a3 a5 26. Be2 Ba2 27. Bxh6 Kxh6 28. Ne3 Ng8 29. Bd1 Be6 30. Kg2 Nf6 31. Be2 Kg7 32. h4 Kf7 33. Kf2 Ke7 34. Bd1 b5 35. b4 cxb4 36. cxb4 a4 37. Be2 Kd7 38. Nd1 Kc6 39. Nc3 Kb6 40. Ke3 Bd7 41. d4 exd4+ 42. Kxd4 Bc6 43. e5 dxe5+ 44. Kxe5 Nh7 45. Bd3 Nf8 46. Kd6 Nd7 47. Bxg6 Nf6 48. Ke6 Ng4 49. Bxh5 Ne3 50. Bg6 Nc4 51. Nb1 Ne3 52. h5 Bd5+ 53. Kf6 Bc4 54. h6 Ng4+ 55. Kg7 Nxh6 56. Kxh6 Kc6 57. Nd2 Be2 58. Be4+ Kd6 59. Nf3 1-0

[Event "USA Masters"]
[Site "Chicago"]
[Date "1990.??.??"]
[Round "2"]
[White "McManus, Andy"]
[Black "Colias, Billy"]
[Result "1-0"]
[ECO "C34"]
[BlackElo "2290"]
[PlyCount "81"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 Nf6 4. e5 Nh5 5. d4 d6 6. Bc4 dxe5 7. 0-0 Nc6 8. Nc3 Bg4 9. Be2 exd4 10. Ne4 f5 11. Neg5 Qf6 12. Bc4 Bxf3 13. Re1+ Be7 14. Nxf3 Qd6 15. Ng5 g6 16. b3 Ne5 17. Ba3 c5 18. Ne6 b6 19. Qe2 Nxc4 20. Qxc4 Rc8 21. Rad1 Nf6 22. Rxd4 Qc6 23. Ng7+ Kf8 24. Ne6+ Ke8 25. Ng5 Rf8 26. Re6 Qb7 27. Rd1 h6 28. Qb5+ Nd7 29. Rde1 hxg5 30. Rxe7+ Kd8 31. Bb2 Qd5 32. Bg7 Rg8 33. Rxd7+ Qxd7 34. Bf6+ Kc7 35. Re7 Qxe7 36. Bxe7 Rge8 37. Bxg5 Re1+ 38. Kf2 Rce8 39. Bxf4+ Kc8 40. a4 Rd1 41. Qxe8+ 1-0

[Event "USA Masters"]
[Site "Chicago"]
[Date "1990.??.??"]
[Round "7"]
[White "Ross, Paul"]
[Black "Colias, Billy"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "2280"]
[BlackElo "2290"]
[PlyCount "83"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 c5 2. d5 g6 3. c4 Bg7 4. Nc3 d6 5. e4 Nf6 6. h3 0-0 7. Nf3 b5 8. cxb5 a6 9. a4 axb5 10. Bxb5 Ba6 11. Bd2 e6 12. 0-0 exd5 13. exd5 Nbd7 14. Bf4 Nb6 15. Qd3 Bxb5 16. axb5 Rxa1 17. Rxa1 Qc7 18. Nd2 Nh5 19. Be3 f5 20. Nf3 Qb7 21. Rd1 Nd7 22. Qc4 Rb8 23. Bd2 Ne5 24. Nxe5 Bxe5 25. Ra1 Qe7 26. b4 Bd4 27. bxc5 Bxc5 28. Re1 Qa7 29. Qe2 Ng7 30. Be3 Qa5 31. Bxc5 Qxc3 32. Bxd6 Rxb5 33. Be5 Qc5 34. Bxg7 Kxg7 35. Rd1 Rb7 36. d6 Rd7 37. Qe6 Qc6 38. h4 Qa4 39. Rc1 Rf7 40. h5 Qd7 41. Qxd7 Rxd7 42. Rc7 1-0

[Event "USA Masters"]
[Site "Chicago"]
[Date "1990.??.??"]
[Round "3"]
[White "Zelkind, Mike"]
[Black "Colias, Billy"]
[Result "1/2-1/2"]
[ECO "C28"]
[WhiteElo "2225"]
[BlackElo "2290"]
[PlyCount "20"]
[EventDate "1990.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nc3 Na5 5. Nge2 Nxc4 6. dxc4 Bc5 7. Qd3 Ng4 8. 0-0 Qh4 9. Qg3 Qxg3 10. Nxg3 d6 1/2-1/2

[Event "Illinois"]
[Site "Illinois"]
[Date "1989.??.??"]
[Round "?"]
[White "Chachere, Lawrence"]
[Black "Colias, Billy"]
[Result "0-1"]
[ECO "A26"]
[WhiteElo "2310"]
[BlackElo "2230"]
[PlyCount "84"]
[EventDate "1989.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "2"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nf3 0-0 5. 0-0 d6 6. Nc3 Nc6 7. Rb1 a5 8. a3 e5 9. d3 h6 10. b4 axb4 11. axb4 Be6 12. b5 Ne7 13. Bb2 Qd7 14. Ra1 Rab8 15. Qb3 b6 16. Rfc1 Kh8 17. Ra7 Nc8 18. Ra3 Ne7 19. Rca1 Bh3 20. Ra7 Bxg2 21. Kxg2 Ne8 22. Ne1 f5 23. Nc2 f4 24. f3 h5 25. Nb4 g5 26. Nbd5 Nxd5 27. Nxd5 Rf7 28. Qd1 Qe6 29. e3 fxe3 30. Qe2 Kg8 31. Qxe3 e4 32. Bxg7 exf3+ 33. Kf2 Qh3 34. Qxg5 Qg2+ 35. Ke3 Nxg7 36. Ra8 Qe2+ 37. Kd4 Qb2+ 38. Ke4 Qe2+ 39. Kd4 Kh7 40. Rxb8 Ne6+ 41. Kc3 Nxg5 42. Raa8 Qe5+ 0-1

[Event "Illinois"]
[Site "Illinois"]
[Date "1989.??.??"]
[Round "?"]
[White "Chow, Albert"]
[Black "Colias, Billy"]
[Result "1/2-1/2"]
[ECO "B37"]
[WhiteElo "2360"]
[BlackElo "2230"]
[PlyCount "66"]
[EventDate "1989.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "2"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. d4 c5 4. Nf3 cxd4 5. Nxd4 Bg7 6. e4 Nc6 7. Nc2 d6 8. Be2 Nd7 9. Bd2 0-0 10. 0-0 a5 11. Kh1 Nc5 12. f3 f5 13. exf5 Bxf5 14. Be1 Ne5 15. Nd4 Bd3 16. b3 Qd7 17. Nd5 Rae8 18. Bc3 e6 19. Ne3 b6 20. Bxd3 Nexd3 21. Qc2 d5 22. cxd5 exd5 23. Ng4 Re7 24. Rad1 Ref7 25. Ne3 Nf4 26. g3 Nh5 27. Kg2 Re7 28. Rfe1 Rfe8 29. Qf2 Rf8 30. Qc2 Rfe8 31. Qf2 Rf8 32. Qc2 Ref7 33. Rf1 Re7 1/2-1/2

[Event "US Open-90"]
[Site "Chicago"]
[Date "1989.??.??"]
[Round "8"]
[White "Colias, Billy"]
[Black "Bereolos, Peter"]
[Result "1-0"]
[ECO "A42"]
[WhiteElo "2230"]
[PlyCount "181"]
[EventDate "1989.08.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nd7 5. Be2 e5 6. d5 Ne7 7. g4 0-0 8. f3 f5 9. Be3 a5 10. Nh3 Nc5 11. Nf2 Bd7 12. h3 Kh8 13. Nd3 b6 14. h4 fxg4 15. fxg4 h6 16. g5 Nxd3+ 17. Qxd3 h5 18. 0-0-0 Qc8 19. Nb5 Rf7 20. Rdg1 Qb7 21. Qd1 Bf8 22. Rf1 Rh7 23. Rh2 Re8 24. Bd2 Qc8 25. Kb1 Kg8 26. Qe1 Bg7 27. Qg3 Rf8 28. Rhf2 Rxf2 29. Qxf2 Be8 30. Qf3 Rh8 31. a3 Kh7 32. Qg3 Rf8 33. Rxf8 Bxf8 34. Qf3 Bg7 35. Bf1 Kg8 36. b3 Bd7 37. Qg3 Bg4 38. Kc2 Qd7 39. Nc3 Nc8 40. Nd1 Qf7 41. Bg2 Bd7 42. Qf3 Qxf3 43. Bxf3 Bf8 44. Nc3 Na7 45. Be3 Kf7 46. Nd1 Nc8 47. Nf2 Na7 48. Kc3 Nc8 49. Be2 Be7 50. Bf3 Bf8 51. Nd3 Bg7 52. Kd2 Ke7 53. b4 axb4 54. axb4 Kd8 55. c5 bxc5 56. bxc5 dxc5 57. Bxc5 Bb5 58. Nb4 Ke8 59. Be2 Ba4 60. Ba6 Kd7 61. Na2 Nd6 62. Nc3 Bb3 63. Bxd6 Kxd6 64. Bb5 Kc5 65. Be8 Bf8 66. Bxg6 Kc4 67. d6 Bxd6 68. Bf7+ Kb4 69. Bxh5 Bc5 70. Be2 Bf2 71. h5 Bh4 72. g6 Bg5+ 73. Kd3 c6 74. Bg4 Kc5 75. Bd7 Bc4+ 76. Kc2 Kd6 77. Bf5 Bh6 78. Bg4 Ke7 79. Be2 Be6 80. Na4 Kf6 81. Nc5 Bc8 82. Kc3 Kg5 83. Bd1 Bf8 84. Nd3 Bg4 85. Bxg4 Kxg4 86. Nc5 Kxh5 87. Ne6 Bh6 88. g7 Bxg7 89. Nxg7+ Kg4 90. Nf5 Kf3 91. Nd6 1-0

[Event "Midwest Masters op"]
[Site "Chicago"]
[Date "1989.??.??"]
[Round "4"]
[White "Colias, Billy"]
[Black "Blankenau, Mike P"]
[Result "1/2-1/2"]
[ECO "D20"]
[WhiteElo "2230"]
[BlackElo "2245"]
[PlyCount "118"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 exd4 7. Nxd4 Nf6 8. Nc3 Bd7 9. Bxc4 Nc6 10. 0-0 0-0 11. Rad1 Nxd4 12. Qxd4 Bg4 13. f3 Be6 14. Bxe6 fxe6 15. e5 Qxd4+ 16. Rxd4 Nh5 17. Rfd1 a6 18. Kf2 Nf4 19. Re4 Ng6 20. h4 Rad8 21. Rxd8 Rxd8 22. Ke2 Ne7 23. Rc4 c6 24. h5 Nd5 25. Nxd5 Rxd5 26. f4 Kf7 27. Ke3 g6 28. h6 g5 29. Rb4 b5 30. fxg5 Rxe5+ 31. Kf3 Rxg5 32. Rd4 Rd5 33. Rg4 Rd2 34. Rg7+ Kf6 35. g4 Rh2 36. Rxh7 Kg6 37. Re7 Kxh6 38. Rxe6+ Kg5 39. Rxc6 Rxb2 40. Rxa6 Rb4 41. Ra5 Rf4+ 42. Ke3 Rb4 43. Kd3 Kxg4 44. a3 Ra4 45. Rxa4+ bxa4 46. Kc4 Kf5 47. Kb5 Ke5 48. Kxa4 Kd6 49. Ka5 Kc7 50. Ka6 Kb8 51. a4 Ka8 52. a5 Kb8 53. Kb5 Kb7 54. a6+ Ka7 55. Ka5 Ka8 56. Kb4 Ka7 57. Kb5 Ka8 58. Kb6 Kb8 59. a7+ Ka8 1/2-1/2

[Event "US Open-90"]
[Site "Chicago"]
[Date "1989.??.??"]
[Round "9"]
[White "Colias, Billy"]
[Black "Browne, Walter Shawn"]
[Result "0-1"]
[ECO "E13"]
[WhiteElo "2230"]
[BlackElo "2535"]
[PlyCount "68"]
[EventDate "1989.08.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb4 5. Bg5 Bb7 6. e3 h6 7. Bh4 Bxc3+ 8. bxc3 d6 9. Nd2 g5 10. Bg3 Qe7 11. h4 Rg8 12. hxg5 hxg5 13. Be2 Nc6 14. Qa4 0-0-0 15. 0-0-0 Na5 16. Rh2 Ne4 17. Nxe4 Bxe4 18. c5 dxc5 19. dxc5 Rxd1+ 20. Bxd1 Bd5 21. cxb6 axb6 22. Qb4 Qd7 23. Ba4 Bc6 24. Bb3 Rd8 25. Qd4 Qe7 26. Rh8 Nxb3+ 27. axb3 Qa3+ 28. Kc2 Qa2+ 29. Kc1 Be8 30. Qe5 Qd2+ 31. Kb1 Qd1+ 32. Kb2 Rd2+ 33. Ka3 Qa1+ 34. Kb4 c5+ 0-1

[Event "US Open-90"]
[Site "Chicago"]
[Date "1989.??.??"]
[Round "4"]
[White "Colias, Billy"]
[Black "Crawford, Brandon"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2230"]
[PlyCount "51"]
[EventDate "1989.08.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 f5 2. Nc3 d5 3. f3 g6 4. e4 dxe4 5. fxe4 Bg7 6. Nf3 Nc6 7. Bb5 a6 8. Bxc6+ bxc6 9. e5 Nh6 10. 0-0 Nf7 11. Na4 0-0 12. Nc5 e6 13. c3 g5 14. Qa4 g4 15. Ne1 Qe8 16. Ned3 Nd8 17. Rf2 Qe7 18. Be3 Bd7 19. Raf1 h5 20. Qc4 Be8 21. Rxf5 Rxf5 22. Rxf5 Kh8 23. Bg5 Qxc5 24. Qxc5 exf5 25. Qe7 Nf7 26. Bf6 1-0

[Event "US Open-90"]
[Site "Chicago"]
[Date "1989.??.??"]
[Round "6"]
[White "Colias, Billy"]
[Black "Cunningham, Robin J"]
[Result "1/2-1/2"]
[ECO "D32"]
[WhiteElo "2230"]
[PlyCount "94"]
[EventDate "1989.08.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. Bg5 Be7 7. Bxe7 Ngxe7 8. dxc5 d4 9. Ne4 0-0 10. g3 Bf5 11. Nd6 Qa5+ 12. Qd2 Qxc5 13. Nxf5 Qxf5 14. Bg2 Rad8 15. 0-0 Rfe8 16. Ne1 Nd5 17. Nd3 h5 18. h4 Ne5 19. Nxe5 Qxe5 20. Rad1 Nf6 21. Bxb7 Qxe2 22. Rfe1 Qb5 23. Bf3 Rxe1+ 24. Rxe1 d3 25. Rd1 Qc4 26. a3 Qd4 27. Qc3 Qd6 28. Rd2 Ng4 29. Bxg4 hxg4 30. Qc4 Qe5 31. Rxd3 Rxd3 32. Qxd3 Qxb2 33. Qd8+ Kh7 34. Qe7 a5 35. Qxf7 Qxa3 36. Qh5+ Kg8 37. Qxg4 Qb4 38. Qe6+ Kf8 39. g4 a4 40. h5 Qf4 41. Kf1 a3 42. Qc8+ Kf7 43. Qb7+ Kf6 44. Qa6+ Kg5 45. Qxa3 Qxg4 46. Qc5+ Qf5 47. Qe7+ Kh6 1/2-1/2

[Event "Midwest Masters op"]
[Site "Chicago"]
[Date "1989.??.??"]
[Round "2"]
[White "Colias, Billy"]
[Black "Levine, David M"]
[Result "1-0"]
[ECO "C06"]
[WhiteElo "2230"]
[PlyCount "115"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. c3 c5 6. Bd3 Nc6 7. Ne2 cxd4 8. cxd4 Nb6 9. 0-0 Bd7 10. Nf3 Be7 11. a3 a5 12. Qd2 a4 13. Qf4 Na5 14. Qg3 g6 15. Bh6 Nb3 16. Rad1 Ra5 17. Nf4 Bb5 18. Qh3 Bxd3 19. Rxd3 Nc4 20. Bg7 Kd7 21. Rb1 Rb5 22. Bxh8 Qxh8 23. Rdd1 h5 24. g4 Qh6 25. Qg3 hxg4 26. Qxg4 Nba5 27. Nd3 Nc6 28. Kf1 Rb3 29. Ke2 Kc7 30. h4 Kb8 31. Ng5 Qh5 32. Qxh5 Nxd4+ 33. Kf1 gxh5 34. Nc1 Rxb2 35. Rxb2 Nxb2 36. Rxd4 Bxa3 37. Nxf7 Nc4 38. Rd1 b5 39. Nd3 b4 40. Nd6 b3 41. Nb5 Be7 42. Nd4 Kc8 43. Ke2 b2 44. Nxe6 a3 45. f4 Bxh4 46. Ng7 Bd8 47. Nf5 Kd7 48. Ne3 Nxe3 49. Kxe3 Bb6+ 50. Kd2 Bd4 51. Kc2 a2 52. Nxb2 h4 53. Kb3 h3 54. Kxa2 h2 55. Rh1 Bg1 56. Kb3 Ke6 57. Kc3 Kf5 58. Kd3 1-0

[Event "Illinois"]
[Site "Illinois"]
[Date "1989.??.??"]
[Round "?"]
[White "Colias, Billy"]
[Black "Martinovsky, Eugene Simeon"]
[Result "0-1"]
[ECO "D86"]
[WhiteElo "2230"]
[BlackElo "2335"]
[PlyCount "54"]
[EventDate "1989.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "2"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Bc4 Nc6 8. Nf3 0-0 9. 0-0 Na5 10. Be2 c5 11. Be3 b6 12. dxc5 Qc7 13. cxb6 axb6 14. Rb1 Nc4 15. Bg5 Rxa2 16. Bxe7 Qxe7 17. Bxc4 Ra3 18. Rxb6 Rxc3 19. Bd5 Bg4 20. Rb7 Qf6 21. e5 Qf4 22. Qd4 Rxf3 23. Bxf7+ Rxf7 24. Qd5 Bxe5 25. Qd8+ Rf8 26. Qd5+ Kh8 27. g3 Qd4 0-1

[Event "Illinois"]
[Site "Illinois"]
[Date "1989.??.??"]
[Round "?"]
[White "Colias, Billy"]
[Black "Pelts, Peter"]
[Result "1/2-1/2"]
[ECO "B36"]
[WhiteElo "2230"]
[BlackElo "2295"]
[PlyCount "28"]
[EventDate "1989.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "2"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 g6 6. e4 d6 7. Be2 Nxd4 8. Qxd4 Bg7 9. Bg5 0-0 10. Qd2 Be6 11. Rc1 Rc8 12. b3 Qa5 13. 0-0 Rfe8 14. f3 a6 1/2-1/2

[Event "Illinois"]
[Site "Illinois"]
[Date "1989.??.??"]
[Round "?"]
[White "Colias, Billy"]
[Black "Umezinwa, George"]
[Result "1/2-1/2"]
[ECO "E13"]
[WhiteElo "2230"]
[PlyCount "27"]
[EventDate "1989.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "2"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. Nc3 Bb7 5. Bg5 Bb4 6. e3 h6 7. Bh4 g5 8. Bg3 Bxc3+ 9. bxc3 d6 10. Nd2 Nbd7 11. h4 Rg8 12. hxg5 hxg5 13. Qa4 Ke7 14. f3 1/2-1/2

[Event "Midwest Masters op"]
[Site "Chicago"]
[Date "1989.??.??"]
[Round "6"]
[White "Colias, Billy"]
[Black "Weiss, Mitchel J"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "2230"]
[PlyCount "79"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 Nbd7 4. e4 e5 5. d5 Nc5 6. f3 a5 7. Bg5 Be7 8. Be3 0-0 9. Qd2 Ne8 10. 0-0-0 f5 11. Bd3 Nxd3+ 12. Qxd3 Bg5 13. Nge2 Bxe3+ 14. Qxe3 fxe4 15. fxe4 Nf6 16. h3 Bd7 17. g4 Qe8 18. Ng3 b5 19. cxb5 a4 20. a3 Rb8 21. Qa7 Bxb5 22. Qxc7 Qg6 23. Nf5 Qg5+ 24. Kb1 Nd7 25. Nxb5 Rxb5 26. Qxd7 Rfb8 27. Rh2 R5b7 28. Qxa4 Qf4 29. Rc2 Rb5 30. Rdc1 h5 31. gxh5 Kh7 32. Nxd6 Rxd5 33. Nf5 Rd2 34. Rxd2 Qxd2 35. Qc2 Qa5 36. Qg2 Qa7 37. Qg6+ Kh8 38. h6 Qb7 39. Qxg7+ Qxg7 40. hxg7+ 1-0

[Event "Illinois"]
[Site "Illinois"]
[Date "1989.??.??"]
[Round "?"]
[White "Colias, Billy"]
[Black "Zelkind, Eduard"]
[Result "1/2-1/2"]
[ECO "A36"]
[WhiteElo "2230"]
[PlyCount "41"]
[EventDate "1989.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "2"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d6 3. g3 g6 4. Bg2 Bg7 5. d3 c5 6. e4 Nc6 7. Nge2 0-0 8. 0-0 a6 9. h3 Rb8 10. a4 Ne8 11. Be3 Nd4 12. Bxd4 cxd4 13. Nb1 e5 14. Nd2 f5 15. b4 Nf6 16. Kh2 Be6 17. Ng1 Bh6 18. exf5 gxf5 19. Re1 Nd7 20. Nb3 Bf7 21. c5 1/2-1/2

[Event "US Open-90"]
[Site "Chicago"]
[Date "1989.??.??"]
[Round "5"]
[White "Cornwall, William"]
[Black "Colias, Billy"]
[Result "0-1"]
[ECO "A26"]
[BlackElo "2230"]
[PlyCount "98"]
[EventDate "1989.08.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. d3 d6 6. e4 e5 7. Nge2 Nc6 8. 0-0 Be6 9. Nd5 Nh5 10. Be3 Nd4 11. Nxd4 exd4 12. Bd2 c6 13. Nf4 Nxf4 14. Bxf4 Qd7 15. Qd2 Rfe8 16. b4 Be5 17. Bxe5 dxe5 18. f4 exf4 19. Rxf4 a5 20. bxa5 Qc7 21. Rh4 Rxa5 22. Qh6 f6 23. Qd2 g5 24. Rh3 Bxh3 25. Bxh3 Rea8 26. Qb2 R8a6 27. Be6+ Kg7 28. Qe2 Qe7 29. Bc8 Ra8 30. Bh3 Ra3 31. Bf5 Kg8 32. c5 Rc3 33. Rf1 Rxc5 34. Qg4 Re5 35. Rf2 Qf7 36. Qe2 Rea5 37. e5 Rxe5 38. Be4 Rf8 39. Qb2 Qd7 40. Qb3+ Kg7 41. Qd1 f5 42. Bg2 h6 43. h3 Rfe8 44. Qc2 Re3 45. g4 Re1+ 46. Bf1 fxg4 47. Qc4 gxh3 48. Kh2 Qd6+ 49. Kxh3 R8e3+ 0-1

[Event "Illinois"]
[Site "Illinois"]
[Date "1989.??.??"]
[Round "?"]
[White "De Fotis, Gregory"]
[Black "Colias, Billy"]
[Result "1/2-1/2"]
[ECO "E72"]
[WhiteElo "2385"]
[BlackElo "2230"]
[PlyCount "12"]
[EventDate "1989.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "2"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nc3 d6 6. e4 Nc6 1/2-1/2

[Event "Midwest Masters op"]
[Site "Chicago"]
[Date "1989.??.??"]
[Round "3"]
[White "Gurevich, Dmitry"]
[Black "Colias, Billy"]
[Result "1-0"]
[ECO "D43"]
[WhiteElo "2480"]
[BlackElo "2230"]
[PlyCount "89"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 1999"]
[Source "ChessBase"]
[SourceDate "1998.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1998.11.16"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 c6 5. Qb3 dxc4 6. Qxc4 b5 7. Qb3 Nbd7 8. g3 b4 9. Na4 Ba6 10. Bg5 Qa5 11. Bxf6 gxf6 12. Rc1 Bb5 13. Nc5 Nxc5 14. dxc5 0-0-0 15. Bh3 Bh6 16. Ra1 Qa6 17. 0-0 Bxe2 18. Rfe1 Qc4 19. Rxe2 Qxe2 20. Bf1 Qe4 21. Re1 Qd5 22. Ba6+ Kc7 23. Qxb4 Rb8 24. Qa5+ Kd7 25. Be2 Ke8 26. Rd1 Qe4 27. Qc7 Kf8 28. Qxb8+ Kg7 29. Qb3 Qxe2 30. Rd4 Re8 31. Qc3 Kf8 32. Rd6 e5 33. Kg2 Rb8 34. b4 a5 35. a3 axb4 36. axb4 Ra8 37. Nh4 Ra2 38. Qf3 Bg5 39. Qxe2 Rxe2 40. Nf5 Ke8 41. Rxc6 Rb2 42. Rb6 Kd7 43. b5 e4 44. c6+ Kc7 45. Rb7+ 1-0

[Event "US Open-90"]
[Site "Chicago"]
[Date "1989.??.??"]
[Round "3"]
[White "Harris, William Jr"]
[Black "Colias, Billy"]
[Result "1-0"]
[ECO "B66"]
[WhiteElo "2205"]
[BlackElo "2230"]
[PlyCount "73"]
[EventDate "1989.08.05"]
[EventType "swiss"]
[EventRounds "12"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 a6 8. 0-0-0 h6 9. Be3 Nxd4 10. Bxd4 Be7 11. f4 Qa5 12. Bxf6 gxf6 13. Kb1 Bd7 14. Bd3 h5 15. f5 Bc6 16. Rhe1 0-0-0 17. fxe6 fxe6 18. Bc4 Kd7 19. Qf2 Rdf8 20. Ne2 Bb5 21. Bxe6+ Kxe6 22. Qf5+ Kf7 23. Nf4 Bd8 24. Qe6+ Kg7 25. Re3 Be8 26. Rd5 Qb6 27. Rg3+ Kh6 28. b3 Qg1+ 29. Kb2 Qxh2 30. Rdg5 Qxg3 31. Rxg3 Bf7 32. Qxd6 Re8 33. Qd7 Rhf8 34. Nxh5 Rxe4 35. Ng7 Bg6 36. Nf5+ Kh5 37. Qd1+ 1-0

[Event "Illinois"]
[Site "Illinois"]
[Date "1989.??.??"]
[Round "?"]
[White "Karklins, Andrew"]
[Black "Colias, Billy"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "2310"]
[BlackElo "2230"]
[PlyCount "66"]
[EventDate "1989.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "2"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Bxf6 gxf6 9. Na3 b5 10. Nd5 f5 11. exf5 Bxf5 12. Bd3 e4 13. Ne3 Bg6 14. Be2 Bg7 15. c3 0-0 16. Nac2 b4 17. cxb4 Ne5 18. Nd5 Nd3+ 19. Bxd3 exd3 20. Nce3 Bxb2 21. Rb1 Bg7 22. 0-0 Qh4 23. g3 Qe4 24. Qb3 Kh8 25. Nf4 Rac8 26. Rbd1 Rc3 27. Qd5 Qxd5 28. Nexd5 Ra3 29. Rd2 Rc8 30. Rfd1 Be4 31. f3 Bd4+ 32. Kf1 Bxf3 33. Rxd3 Rxd3 0-1

[Event "Illinois"]
[Site "Illinois"]
[Date "1989.??.??"]
[Round "?"]
[White "Lonoff, Marc J"]
[Black "Colias, Billy"]
[Result "1/2-1/2"]
[ECO "A16"]
[BlackElo "2230"]
[PlyCount "51"]
[EventDate "1989.??.??"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "USA"]
[EventCategory "2"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 d6 5. e4 0-0 6. Nge2 Nc6 7. 0-0 a6 8. f4 e5 9. d3 exf4 10. gxf4 Bg4 11. h3 Bd7 12. Ng3 Ne8 13. f5 Qh4 14. Kh2 Be5 15. Qg4 Qxg4 16. hxg4 Nf6 17. Bf3 Nd4 18. Kg2 Nxf3 19. Kxf3 Bxc3 20. bxc3 Ba4 21. Bh6 Rfe8 22. Rf2 Nd7 23. Bf4 f6 24. Nf1 Rad8 25. Ne3 Bc6 26. Nd5 1/2-1/2

