[Event "US Open-115"]
[Site "Orlando"]
[Date "2014.07.31"]
[Round "3"]
[White "Mathys, David A"]
[Black "Grabinsky, Aaron"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "2010"]
[BlackElo "2095"]
[PlyCount "54"]
[EventDate "2014.07.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nc6 4. Nf3 Nf6 5. e5 Ne4 6. Bd3 Bb4 7. Bd2 Nxd2 8. Qxd2 Bd7 9. a3 Ba5 10. 0-0 Bb6 11. Ne2 f6 12. c4 fxe5 13. dxe5 0-0 14. cxd5 exd5 15. Nf4 Bg4 16. Nxd5 Bxf3 17. Nxb6 axb6 18. Bc4+ Kh8 19. Qxd8 Raxd8 20. gxf3 Nxe5 21. Rac1 Nxf3+ 22. Kg2 Rd6 23. Be2 Nd4 24. Bg4 Rg6 25. Kh3 Rf4 26. Rxc7 h5 27. Bxh5 Rg5 0-1

[Event "US Open-115"]
[Site "Orlando"]
[Date "2014.07.30"]
[Round "5"]
[White "Mathys, David A"]
[Black "Wagner, Robert"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "2010"]
[BlackElo "1848"]
[PlyCount "56"]
[EventDate "2014.07.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Nf6 3. d4 Nxd5 4. c4 Nb6 5. Nc3 e5 6. dxe5 Qxd1+ 7. Nxd1 Nc6 8. f4 Bf5 9. Ne3 Bb4+ 10. Bd2 Bxd2+ 11. Kxd2 0-0-0+ 12. Kc3 Na4+ 13. Kb3 Nc5+ 14. Ka3 Bd3 15. Nf3 Bxf1 16. Nxf1 Nd4 17. Nxd4 Rxd4 18. g3 Rxc4 19. b3 Rd4 20. Ne3 g6 21. Rac1 Ne6 22. Rhd1 Rhd8 23. Kb2 Rd2+ 24. Rxd2 Rxd2+ 25. Rc2 Rd3 26. Nc4 Nd4 27. Rd2 Rxd2+ 28. Nxd2 Kd7 1/2-1/2

[Event "US Open-115"]
[Site "Orlando"]
[Date "2014.07.29"]
[Round "4"]
[White "Johnston, Daniel F"]
[Black "Mathys, David A"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "1822"]
[BlackElo "2010"]
[PlyCount "85"]
[EventDate "2014.07.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 161 Extra"]
[Source "ChessBase"]
[SourceDate "2014.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2014.08.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. Be3 a6 7. Bd3 Nf6 8. 0-0 b5 9. f4 Bc5 10. Nf5 Bxe3+ 11. Nxe3 d6 12. Ng4 Bb7 13. Nxf6+ gxf6 14. Qg4 0-0-0 15. f5 Ne5 16. Qh3 Nxd3 17. cxd3 e5 18. Rac1 Qb6+ 19. Kh1 Kb8 20. Qh6 d5 21. exd5 Bxd5 22. Nxd5 Rxd5 23. Qg7 Rhd8 24. Qxh7 Qb7 25. Qg7 R8d6 26. Rf3 Qe7 27. h4 e4 28. dxe4 Qxe4 29. Qh8+ Rd8 30. Qxf6 R8d6 31. Qg5 Rd4 32. Rh3 Kb7 33. h5 Qe5 34. Rf1 Rd1 35. Rhf3 R6d4 36. h6 Rxf1+ 37. Rxf1 Qe2 38. Rg1 Qf2 39. g3 Rd2 40. Qh5 Re2 41. h7 Re1 42. Rxe1 Qxe1+ 43. Kg2 1-0

[Event "US Open-112"]
[Site "Orlando"]
[Date "2011.08.03"]
[Round "3"]
[White "Blair, David A"]
[Black "Mathys, David A"]
[Result "1-0"]
[ECO "A48"]
[BlackElo "2005"]
[PlyCount "82"]
[EventDate "2011.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 0-0 5. e4 d5 6. e5 Ne4 7. Bd3 Nxg5 8. Nxg5 c5 9. h4 e6 10. Qg4 f5 11. exf6 Qxf6 12. Nxh7 Kxh7 13. 0-0-0 c4 14. h5 cxd3 15. hxg6+ Kg8 16. Qh5 Re8 17. Rh3 dxc2 18. Rdh1 Nc6 19. Rf3 Qxf3 20. Nxf3 e5 21. Re1 Nb4 22. Nxe5 Rxe5 23. Rxe5 Nd3+ 24. Kxc2 Nxe5 25. dxe5 Be6 26. f4 Rc8+ 27. Kd2 Rc4 28. f5 Rd4+ 29. Kc2 Rc4+ 30. Kb3 Bd7 31. f6 Ba4+ 32. Ka3 Bf8+ 33. b4 Bxb4+ 34. Kxa4 Bc5+ 35. Kb3 Rb4+ 36. Kc2 Rc4+ 37. Kd1 Rd4+ 38. Ke2 Re4+ 39. Kf3 Re3+ 40. Kg4 Re4+ 41. Kh3 Re3+ 1-0

[Event "US Open-112"]
[Site "Orlando"]
[Date "2011.08.03"]
[Round "3"]
[White "Ewing, Gabriel"]
[Black "Mathys, David A"]
[Result "0-1"]
[ECO "A36"]
[BlackElo "2005"]
[PlyCount "60"]
[EventDate "2011.07.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Nf6 3. g3 Bg7 4. Bg2 0-0 5. e4 d6 6. Nge2 c5 7. 0-0 Nc6 8. a3 a6 9. Rb1 Bd7 10. d3 Rb8 11. b4 cxb4 12. axb4 b5 13. c5 dxc5 14. bxc5 e5 15. f4 b4 16. fxe5 bxc3 17. Rxb8 Nxb8 18. exf6 Bxf6 19. d4 Bb5 20. d5 Nd7 21. Be3 Bg7 22. Rf2 Ne5 23. Nd4 Qc8 24. Nxb5 axb5 25. c6 Ng4 26. Bc5 Nxf2 27. Kxf2 Rd8 28. Bb6 Rd6 29. Bd4 Bxd4+ 30. Qxd4 Qxc6 0-1

[Event "New York op"]
[Site "New York"]
[Date "1994.??.??"]
[Round "1"]
[White "Valvo, Michael Joseph"]
[Black "Mathys, David A"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "2365"]
[PlyCount "51"]
[EventDate "1994.03.30"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "USA"]
[SourceTitle "CBM 040 Extra"]
[Source "ChessBase"]
[SourceDate "1994.07.01"]
[SourceVersion "1"]
[SourceVersionDate "1994.07.01"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. h4 h6 8. Be3 cxd4 9. Nxd4 Nc6 10. f4 Nxd4 11. Qxd4 Ne7 12. Bb5+ Nc6 13. Qa4 Qc7 14. 0-0-0 Be7 15. f5 Bh7 16. Rxd5 exd5 17. Nxd5 Qc8 18. f6 Bf8 19. Rd1 Qd7 20. Ne7 Qxd1+ 21. Kxd1 Rd8+ 22. Kc1 Bxe7 23. Bxc6+ bxc6 24. Qxc6+ Rd7 25. fxg7 Rg8 26. Qxh6 1-0

[Event "Silvaplana op2"]
[Site "Silvaplana"]
[Date "1993.??.??"]
[Round "?"]
[White "Mathys, David A"]
[Black "Bilinski, Vanda"]
[Result "1-0"]
[ECO "D52"]
[BlackElo "2030"]
[PlyCount "133"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 c6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 Qa5 7. Nd2 Bb4 8. Qc2 dxc4 9. Bxf6 Nxf6 10. Nxc4 Qd8 11. a3 Bxc3+ 12. bxc3 0-0 13. Bd3 c5 14. 0-0 Qc7 15. Rac1 b6 16. Ne5 g6 17. Qe2 Bb7 18. f3 Rfd8 19. Rfd1 Rac8 20. Rc2 Nd7 21. Nxd7 Qxd7 22. Bb5 Qe7 23. a4 cxd4 24. cxd4 Rxc2 25. Qxc2 Rc8 26. Qd3 Qc7 27. e4 Qd6 28. Bc4 Kg7 29. Qb3 Rc7 30. Bf1 h5 31. Qb2 Kh7 32. Qb3 Kg7 33. Kh1 Qf4 34. g3 Qd6 35. Qb2 Kh7 36. Qb3 f5 37. Bg2 Rd7 38. Qc4 Rc7 39. Qb3 Rd7 40. Qc4 Rc7 41. Qb3 Bc6 42. Kg1 Qd7 43. Qe3 Bxa4 44. Re1 Bb5 45. exf5 exf5 46. Qe5 Bc4 47. d5 Qg7 48. f4 Rc5 49. Qxg7+ Kxg7 50. d6 Rc8 51. d7 Rd8 52. Bc6 Bf7 53. Re8 Rxd7 54. Bxd7 Bxe8 55. Bxe8 a5 56. Kf2 Kf6 57. Ke3 g5 58. h4 gxh4 59. gxh4 Ke7 60. Ba4 Kd6 61. Kd4 Ke6 62. Be8 Kd6 63. Bxh5 a4 64. Bd1 a3 65. Bb3 b5 66. h5 Ke7 67. Ke5 1-0

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "1993.??.??"]
[Round "?"]
[White "Mathys, David A"]
[Black "Brodie, Hugh"]
[Result "1-0"]
[ECO "B39"]
[PlyCount "123"]
[EventDate "1993.06.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 Ng4 8. Qxg4 Nxd4 9. Qd1 e5 10. Be2 0-0 11. 0-0 d6 12. Nd5 f5 13. f3 Qh4 14. Bf2 Qd8 15. Qd2 Be6 16. Rac1 Rc8 17. Bd3 fxe4 18. Bxe4 Qd7 19. Kh1 Kh8 20. Be3 b6 21. Rfd1 Qf7 22. b3 Rc5 23. Nb4 Rc7 24. Nc2 Nxc2 25. Rxc2 Rd8 26. Bd5 Kg8 27. Qb4 Bf8 28. Rcd2 Rdc8 29. Kg1 Kg7 30. a4 Be7 31. a5 bxa5 32. Qxa5 Bxd5 33. Rxd5 Rb7 34. Rb5 Rxb5 35. Qxb5 Bf8 36. Ra1 Rc7 37. Qb8 Rb7 38. Qxb7 Qxb7 39. Rxa7 Qxa7 40. Bxa7 Kf7 41. Kf2 Ke6 42. Ke3 d5 43. c5 Kd7 44. b4 Kc6 45. Bb8 Bg7 46. Kd3 Kb5 47. Kc2 Bf6 48. f4 exf4 49. Bxf4 g5 50. Bd6 h5 51. Kd3 Kc6 52. h3 g4 53. hxg4 hxg4 54. Bf4 Kb5 55. Bd2 Bg7 56. Bc3 Bh6 57. Be5 Bc1 58. Kd4 Kc6 59. b5+ Kxb5 60. Kxd5 Bd2 61. c6 Kb6 62. Kd6 1-0

[Event "Las Vegas National op"]
[Site "Las Vegas"]
[Date "1993.??.??"]
[Round "1"]
[White "Mathys, David A"]
[Black "Wolff, Patrick G"]
[Result "0-1"]
[ECO "B89"]
[BlackElo "2580"]
[PlyCount "56"]
[EventDate "1993.06.??"]
[EventType "swiss"]
[EventRounds "6"]
[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. Bc4 e6 7. Bb3 Nc6 8. Be3 Qc7 9. Qe2 Na5 10. 0-0-0 b5 11. f4 Nxb3+ 12. axb3 Bb7 13. f5 e5 14. Nf3 Nxe4 15. Nd5 Bxd5 16. Rxd5 Be7 17. Bb6 Qxb6 18. Qxe4 0-0 19. g4 a5 20. g5 a4 21. b4 Rfc8 22. f6 Bf8 23. fxg7 Bxg7 24. Nd2 a3 25. b3 Qc6 26. c4 bxc4 27. Nxc4 Qb7 28. Rhd1 Qxb4 0-1

[Event "Silvaplana op2"]
[Site "Silvaplana"]
[Date "1993.??.??"]
[Round "?"]
[White "Meier, David Geffrey"]
[Black "Mathys, David A"]
[Result "0-1"]
[ECO "A03"]
[PlyCount "98"]
[EventDate "1993.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "SUI"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. f4 Nf6 2. Nf3 d5 3. e3 c6 4. Be2 Bg4 5. 0-0 e6 6. d3 Nbd7 7. Nbd2 Bd6 8. Ng5 Bxe2 9. Qxe2 Qe7 10. e4 Bc5+ 11. Kh1 h6 12. Ngf3 dxe4 13. dxe4 0-0 14. a3 a5 15. c3 a4 16. Nd4 Rfd8 17. e5 Bxd4 18. cxd4 Ne8 19. Qg4 f5 20. Qh3 Nf8 21. Nf3 Qf7 22. g4 fxg4 23. Qxg4 Qg6 24. Qxg6 Nxg6 25. h4 Ne7 26. Bd2 Nf5 27. Bc3 Ng3+ 28. Kg2 Nxf1 29. Rxf1 g6 30. Kh3 Ng7 31. Rg1 Kf7 32. Nd2 Nf5 33. Ne4 Rab8 34. Rd1 b6 35. Rd2 c5 36. dxc5 Rxd2 37. Nxd2 bxc5 38. Ne4 c4 39. Nd2 Rc8 40. Ne4 Rd8 41. Nc5 Nd4 42. Nb7 Rd5 43. Nd6+ Kg8 44. Nc8 Kh7 45. Nb6 Rd8 46. Nxa4 Ne2 47. Nb6 Nxc3 48. bxc3 Rd3+ 49. Kg4 h5+ 0-1

[Event "North American op"]
[Site "Las Vegas"]
[Date "1992.??.??"]
[Round "?"]
[White "Mathys, David A"]
[Black "Bisguier, Arthur Bernard"]
[Result "0-1"]
[ECO "C67"]
[BlackElo "2375"]
[PlyCount "72"]
[EventDate "1992.12.??"]
[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. Bb5 Nf6 4. 0-0 Nxe4 5. d4 Nd6 6. Bxc6 dxc6 7. dxe5 Nf5 8. Qxd8+ Kxd8 9. Bg5+ Ke8 10. Nc3 h6 11. Bf4 Be6 12. Rad1 Bb4 13. Ne4 Bc4 14. c3 Bxf1 15. Kxf1 Be7 16. e6 fxe6 17. Bxc7 Rc8 18. Bf4 g5 19. Be5 Rg8 20. g4 Nh4 21. Nxh4 gxh4 22. h3 Rd8 23. Rxd8+ Kxd8 24. Ke2 Rg6 25. Ke3 Ke8 26. Bb8 a6 27. Be5 Kf7 28. Kd4 Rg8 29. Bc7 h5 30. f3 hxg4 31. fxg4 Ke8 32. Ke3 Rf8 33. Bf4 Kf7 34. Be5 Kg6 35. Bf4 Rd8 36. Ke2 Rd5 0-1

[Event "Webb op"]
[Site "Webb"]
[Date "1989.??.??"]
[Round "4"]
[White "Francis, Solomon"]
[Black "Mathys, David A"]
[Result "1-0"]
[ECO "B25"]
[PlyCount "83"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[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. Nc3 Nf6 4. d3 g6 5. g3 Bg7 6. Bg2 Nc6 7. 0-0 0-0 8. h3 Rb8 9. Nh2 e5 10. Bg5 h6 11. Be3 Nd4 12. Ng4 h5 13. Nxf6+ Qxf6 14. Nd5 Qd8 15. c3 Nc6 16. f4 exf4 17. gxf4 f5 18. e5 dxe5 19. Bxc5 Re8 20. fxe5 Rxe5 21. Re1 Be6 22. Nf4 Bf7 23. d4 Rxe1+ 24. Qxe1 Qf6 25. d5 Re8 26. Qf1 Ne5 27. Bxa7 b6 28. Ne6 Bxe6 29. dxe6 Qxe6 30. Qb5 Kh7 31. Qxb6 Qxb6+ 32. Bxb6 Rb8 33. Bd4 Rxb2 34. a4 f4 35. Bd5 f3 36. a5 Rg2+ 37. Kf1 Rh2 38. Bg1 Rh1 39. a6 Bh6 40. Kf2 Rxh3 41. a7 Nd3+ 42. Kf1 1-0

[Event "Webb op"]
[Site "Webb"]
[Date "1989.??.??"]
[Round "5"]
[White "Mathys, David A"]
[Black "Guthrie, Matt"]
[Result "1/2-1/2"]
[ECO "B87"]
[PlyCount "28"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[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. Bc4 e6 7. Bb3 b5 8. 0-0 Be7 9. f4 0-0 10. e5 dxe5 11. fxe5 Nfd7 12. Qh5 Nc6 13. Nxc6 Qb6+ 14. Be3 Qxc6 1/2-1/2

[Event "Webb op"]
[Site "Webb"]
[Date "1989.??.??"]
[Round "2"]
[White "Mathys, David A"]
[Black "Ruggiero, Pamela"]
[Result "1-0"]
[ECO "B78"]
[PlyCount "113"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[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 g6 6. Be3 Bg7 7. f3 0-0 8. Qd2 Nc6 9. Bc4 Bd7 10. h4 Rc8 11. Bb3 Ne5 12. 0-0-0 Nc4 13. Bxc4 Rxc4 14. h5 Nxh5 15. g4 Nf6 16. e5 Nxg4 17. fxg4 Bxg4 18. Bh6 Bxe5 19. Bxf8 Qxf8 20. Nde2 h5 21. Nd5 Bg7 22. Qd3 Ra4 23. Kb1 Ra5 24. Ne3 Be6 25. a3 Qd8 26. Nd4 Qb6 27. Nb3 Rg5 28. Rh4 Rg3 29. Re1 Bh6 30. Re4 d5 31. Nxd5 Rxd3 32. Nxb6 Rxb3 33. cxb3 axb6 34. Rxe6 fxe6 35. Rxe6 Kf7 36. Rxb6 h4 37. Rxb7 h3 38. Rd7 Be3 39. Rd1 h2 40. Rh1 Bg1 41. Kc2 Kf6 42. Kd3 Kf5 43. b4 Kf4 44. Ke2 Kg3 45. Kf1 Bd4 46. b3 e5 47. b5 e4 48. a4 e3 49. a5 Be5 50. Rxh2 Kxh2 51. b6 Bd4 52. b7 Ba7 53. b4 g5 54. b5 g4 55. b6 Bb8 56. a6 g3 57. a7 1-0

[Event "Webb op"]
[Site "Webb"]
[Date "1989.??.??"]
[Round "3"]
[White "Mathys, David A"]
[Black "Willingham, J."]
[Result "1-0"]
[ECO "C40"]
[PlyCount "45"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "USA"]
[SourceTitle "EXT 1997"]
[Source "ChessBase"]
[SourceDate "1996.11.15"]
[SourceVersion "1"]
[SourceVersionDate "1996.11.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Qe7 3. Bc4 c6 4. 0-0 Qc5 5. Bb3 Nf6 6. d4 exd4 7. e5 Nd5 8. Nxd4 d6 9. Re1 Be7 10. exd6 Qxd6 11. Qh5 0-0 12. Nc3 Nxc3 13. bxc3 Na6 14. a4 Nc7 15. Ba3 c5 16. Rxe7 Qxe7 17. Bxc5 Qf6 18. Bxf8 Kxf8 19. Re1 h6 20. Qc5+ Kg8 21. Qxc7 Kh7 22. Qxf7 Qxf7 23. Bxf7 1-0

[Event "Webb op"]
[Site "Webb"]
[Date "1989.??.??"]
[Round "1"]
[White "Rowley, Robert"]
[Black "Mathys, David A"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2400"]
[PlyCount "85"]
[EventDate "1989.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[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. c3 Nf6 4. Be2 Nc6 5. d3 g6 6. 0-0 Bg7 7. d4 0-0 8. d5 Nb8 9. Nbd2 a6 10. a4 Bg4 11. Ng5 Bxe2 12. Qxe2 h6 13. Nh3 Nbd7 14. f4 Qa5 15. Nc4 Qc7 16. a5 b5 17. axb6 Nxb6 18. Na5 Rfe8 19. f5 g5 20. Nf2 e6 21. dxe6 fxe6 22. Ng4 Nbd7 23. h4 Nxg4 24. Qxg4 exf5 25. Qxf5 Rf8 26. Qd5+ Kh8 27. Rxf8+ Rxf8 28. hxg5 Nb6 29. Qb7 Qd8 30. Nc6 Qe8 31. gxh6 Bf6 32. Bg5 Nd7 33. Bxf6+ Rxf6 34. Nb8 Qxb8 35. Qxd7 Rxh6 36. Rxa6 Qf8 37. Ra7 c4 38. Rc7 Rh1+ 39. Kxh1 Qf1+ 40. Kh2 Qf4+ 41. Kh3 Qh6+ 42. Kg4 Qg6+ 43. Kf3 1-0

