[Event "US Amateur West-ch"]
[Site "Palo Verde"]
[Date "2003.05.26"]
[Round "5"]
[White "Matagrano, John"]
[Black "Mielke, Jason"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "1796"]
[BlackElo "1930"]
[PlyCount "127"]
[EventDate "2003.05.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Ne4 4. Bh4 d5 5. Nbd2 Bg7 6. e3 Bg4 7. Be2 Nd6 8. 0-0 c5 9. c3 Qb6 10. Qa4+ Bd7 11. Qb3 c4 12. Qxb6 axb6 13. Bg3 f5 14. Bxd6 exd6 15. b3 b5 16. a4 bxa4 17. bxc4 f4 18. exf4 0-0 19. g3 Re8 20. Bd3 Bc6 21. cxd5 Bxd5 22. Bc4 Bxc4 23. Nxc4 Ra6 24. Rfb1 Rc8 25. Rxb7 Rxc4 26. Rxb8+ Bf8 27. Ra3 h6 28. Nd2 Rcc6 29. c4 Ra7 30. Rb4 Rca6 31. Nb1 Bg7 32. Nc3 Bxd4 33. Rbxa4 Rxa4 34. Rxa4 Rb7 35. Nb5 Bc5 36. Ra6 Rd7 37. Rc6 Kf7 38. Rc7 Ke6 39. Kg2 Rd8 40. Nc3 Ra8 41. Ne4 Bd4 42. Rc6 Rd8 43. c5 Kd5 44. Rxd6+ Rxd6 45. Nxd6 Bxc5 46. Nf7 Bf8 47. Nh8 g5 48. fxg5 hxg5 49. Ng6 Bg7 50. h4 gxh4 51. Nxh4 Ke6 52. f4 Ba1 53. Kf3 Kf6 54. Ke4 Bb2 55. g4 Bc3 56. g5+ Kf7 57. f5 Bb2 58. Ng6 Bg7 59. Ne5+ Ke7 60. Kf4 Ke8 61. f6 Bf8 62. Kf5 Ba3 63. g6 Kf8 64. g7+ 1-0

[Event "US Amateur West-ch"]
[Site "Palo Verde"]
[Date "2003.05.26"]
[Round "6"]
[White "Minjarez, Carlos"]
[Black "Matagrano, John"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "1951"]
[BlackElo "1796"]
[PlyCount "81"]
[EventDate "2003.05.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bd7 5. Bg5 Be7 6. Bxe7 Qxe7 7. c3 Bc6 8. Qc2 Nd7 9. Nf3 f5 10. Ng3 Bxf3 11. gxf3 Nh6 12. 0-0-0 f4 13. Ne4 0-0-0 14. Bc4 e5 15. Rhe1 Nb6 16. Bf1 exd4 17. cxd4 Qh4 18. Nc5 g6 19. Ba6 bxa6 20. Qe2 Rd6 21. Qxa6+ Kd8 22. Nb7+ Kd7 23. Qb5+ c6 24. Nc5+ Kd8 25. Nb7+ Kc7 26. Qa6 Ra8 27. Nxd6 Kxd6 28. Qb7 Qd8 29. Qxh7 Ng8 30. Qxg6+ Nf6 31. Qf7 Nbd7 32. d5 cxd5 33. Qe6+ Kc7 34. Kb1 Kb7 35. Rc1 Qb6 36. Qf5 Qb4 37. Rc3 Qd4 38. Rec1 Rd8 39. Qe6 Ne8 40. Rb3+ Nb6 41. Qe7+ 1-0

[Event "US Amateur West-ch"]
[Site "Palo Verde"]
[Date "2003.05.25"]
[Round "3"]
[White "Matagrano, John"]
[Black "Martinez, Leonard"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "1796"]
[BlackElo "2052"]
[PlyCount "131"]
[EventDate "2003.05.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 b6 4. Bd3 Bb7 5. Nbd2 d5 6. 0-0 Nbd7 7. Qe2 c5 8. c3 Bd6 9. e4 dxe4 10. Nxe4 Nxe4 11. Bxe4 Qc7 12. Bxb7 Qxb7 13. Bg5 0-0 14. Rad1 Qc7 15. Rd2 c4 16. Re1 Rae8 17. Bh4 Bf4 18. Bg3 Bxg3 19. hxg3 b5 20. Kf1 a5 21. Ne5 Nb6 22. Qh5 Nd5 23. a3 Re7 24. Ng4 b4 25. axb4 axb4 26. cxb4 c3 27. Rc2 Qc4+ 28. Kg1 Qd3 29. Ree2 Qxd4 30. bxc3 Nxc3 31. Red2 Qxb4 32. Qh4 Nd5 33. Kh2 Rb7 34. Ne3 Nxe3 35. fxe3 Qxh4+ 36. gxh4 g6 37. e4 Rb4 38. Re2 Rfb8 39. Rc7 R8b7 40. Rxb7 Rxb7 41. g4 h6 42. Kg2 Rb3 43. Kh2 Rf3 44. Kg2 Rf4 45. Kg3 e5 46. Re3 Kg7 47. Re2 Kf6 48. Re1 Ke6 49. Re2 Kf6 50. Re1 Ke6 51. Re2 Kd6 52. Rd2+ Kc6 53. Rc2+ Kb6 54. Rc4 f5 55. gxf5 gxf5 56. Rc8 Rg4+ 57. Kf3 Rxe4 58. Rf8 Rf4+ 59. Kg3 Kc5 60. h5 Rg4+ 61. Kh3 Rg5 62. Kh4 e4 63. Rf6 e3 64. Rxh6 Rg4+ 65. Kh3 e2 66. Rg6 0-1

[Event "US Amateur West-ch"]
[Site "Palo Verde"]
[Date "2003.05.25"]
[Round "4"]
[White "Sherwood, Tony"]
[Black "Matagrano, John"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1447"]
[BlackElo "1796"]
[PlyCount "126"]
[EventDate "2003.05.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. a3 Qb6 7. b4 cxd4 8. cxd4 Rc8 9. Bb2 a6 10. Nc3 Nh6 11. Na4 Qa7 12. Bc3 Be7 13. b5 axb5 14. Bxb5 Nxe5 15. Bxd7+ Nxd7 16. Bb4 Bf6 17. Nc3 Nf5 18. Nb5 Qb6 19. a4 Be7 20. Qd2 Nd6 21. Ba5 Ne4 22. Bxb6 Nxd2 23. Kxd2 Nxb6 24. Rhc1 0-0 25. Ke2 Rxc1 26. Rxc1 Rc8 27. Rxc8+ Nxc8 28. g4 Bb4 29. Ne5 Nd6 30. Nd3 Nxb5 31. axb5 Bd6 32. h4 b6 33. h5 f6 34. f4 Kf7 35. Ke3 h6 36. Ne1 g5 37. hxg6+ Kxg6 38. Ng2 h5 39. Nh4+ Kh6 40. f5 hxg4 41. fxe6 Kg5 42. Ng2 Kf5 43. e7 Bxe7 44. Nf4 Bd8 45. Nxd5 Kg5 46. Kf2 Kh4 47. Kg2 f5 48. Ne3 Kg5 49. d5 f4 50. Nf1 Kf5 51. Nh2 Bc7 52. Nf1 Ke4 53. Nd2+ Kxd5 54. Nb1 Kc4 55. Nd2+ Kxb5 56. Ne4 Kc4 57. Nf6 g3 58. Kf3 b5 59. Ne4 b4 60. Nd2+ Kc3 61. Ke2 b3 62. Nb1+ Kc2 63. Na3+ Kc1 0-1

[Event "US Amateur West-ch"]
[Site "Palo Verde"]
[Date "2003.05.24"]
[Round "2"]
[White "Conner, Samuel K"]
[Black "Matagrano, John"]
[Result "0-1"]
[ECO "D52"]
[BlackElo "1796"]
[PlyCount "104"]
[EventDate "2003.05.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "USA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Bg5 Nbd7 5. Nc3 c6 6. cxd5 exd5 7. e3 Qa5 8. Nd2 Bb4 9. Qc2 0-0 10. Bd3 Re8 11. 0-0 Bxc3 12. bxc3 Ne4 13. Nxe4 dxe4 14. Bxe4 Qxg5 15. Bxh7+ Kf8 16. Bd3 Nf6 17. f4 Qh6 18. Rae1 Ng4 19. h3 Nxe3 20. Qe2 Bf5 21. Bxf5 Nxf5 22. Qf3 Rxe1 23. Rxe1 Re8 24. Rxe8+ Kxe8 25. Qe4+ Qe6 26. Qxe6+ fxe6 27. Kf2 Ke7 28. g4 Nd6 29. Ke3 Kf6 30. c4 Nxc4+ 31. Ke4 Nd6+ 32. Ke3 a5 33. h4 a4 34. h5 a3 35. Ke2 Ne4 36. Kd3 Nf2+ 37. Kc3 Nxg4 38. Kb3 Kf5 39. Kxa3 Kxf4 40. Kb4 b6 41. a4 Ke4 42. a5 bxa5+ 43. Kxa5 Kxd4 44. Kb4 e5 45. Kb3 Kd3 46. Ka2 e4 47. Kb1 e3 48. h6 Nxh6 49. Kc1 e2 50. Kb2 e1Q 51. Ka2 Qb4 52. Ka1 Kc2 0-1

