[Event "Corsica Masters op 18th"]
[Site "Bastia"]
[Date "2014.10.18"]
[Round "2"]
[White "Costa, Pierre Mathieu"]
[Black "Saric, Ivan"]
[Result "0-1"]
[ECO "E81"]
[WhiteElo "1972"]
[BlackElo "2678"]
[PlyCount "46"]
[EventDate "2014.10.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Bg5 Nbd7 7. Qd2 a6 8. g4 c5 9. d5 b5 10. Bh6 Ne5 11. Bxg7 Kxg7 12. cxb5 axb5 13. Bxb5 Qa5 14. h3 Ba6 15. Bxa6 Qxa6 16. Kf2 Rfb8 17. Rb1 Qd3 18. Qc1 Qd4+ 19. Kg3 Nd3 20. Qc2 h5 21. Rh2 Rxb2 22. Rxb2 h4+ 23. Kxh4 Qe5 0-1

[Event "Corsica Masters op 13th"]
[Site "Bastia"]
[Date "2009.10.26"]
[Round "3"]
[White "Costa, Pierre Mathieu"]
[Black "Mullon, Jean Baptiste"]
[Result "0-1"]
[ECO "D17"]
[WhiteElo "1958"]
[BlackElo "2368"]
[PlyCount "74"]
[EventDate "2009.10.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. Ne5 Nbd7 7. Nxc4 Qc7 8. g3 e5 9. dxe5 Nxe5 10. Bf4 Nfd7 11. e4 Be6 12. Qh5 g5 13. Bxe5 Nxe5 14. Nxe5 Qxe5 15. 0-0-0 Bg7 16. Bh3 Bxh3 17. Qxh3 0-0 18. f4 gxf4 19. gxf4 Qxf4+ 20. Kb1 Rad8 21. Rdf1 Qh6 22. Qf5 Rd6 23. e5 Re6 24. Rhg1 Kh8 25. Re1 Qh4 26. Re4 Qe7 27. Rg5 Rg6 28. Rh5 Qe6 29. Qf2 f5 30. exf6 Qxf6 31. Qxa7 Qf1+ 32. Ka2 Bxc3 33. Reh4 Qf7+ 34. Ka3 Bxb2+ 35. Kb4 Rg4+ 36. Rxg4 Qxh5 37. Rc4 Qe5 0-1

[Event "Venaco op"]
[Site "Venaco"]
[Date "2005.10.28"]
[Round "1"]
[White "Bologan, Viktor"]
[Black "Costa, Pierre Mathieu"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2700"]
[BlackElo "1952"]
[PlyCount "44"]
[EventDate "2005.10.28"]
[EventType "swiss (rapid)"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. Nf3 Nc6 8. Bf4 Nge7 9. h4 h5 10. Qd2 Bd7 11. Be2 Rc8 12. 0-0 Nf5 13. Rfb1 Na5 14. Bd3 g6 15. Bg5 Nc6 16. Bf6 Rg8 17. Bxf5 gxf5 18. Qh6 Ne7 19. Ng5 Rf8 20. Bg7 Ng8 21. Qxh5 Bc6 22. Nxe6 Qd8 1-0

[Event "FRA-ch U18"]
[Site "Calvi"]
[Date "2005.04.22"]
[Round "7"]
[White "Platel, Alexandre"]
[Black "Costa, Pierre Mathieu"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2149"]
[BlackElo "1974"]
[PlyCount "93"]
[EventDate "2005.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. e5 Qe7 7. Qe2 Nd5 8. c4 Qb4+ 9. Nd2 Nf4 10. Qe4 Ne6 11. Be2 Bb7 12. a3 Qb6 13. 0-0 Be7 14. Kh1 g5 15. Nf3 h5 16. c5 Qxc5 17. Be3 Qd5 18. Qa4 c5 19. Rfd1 Qe4 20. Qxd7+ Kf8 21. Bd3 Qc6 22. Qxc6 Bxc6 23. Nd2 Kg7 24. Bc4 Rab8 25. b3 a5 26. Rac1 Nd8 27. a4 h4 28. h3 g4 29. hxg4 h3 30. f3 Rh4 31. gxh3 Rxh3+ 32. Kg2 Rh4 33. Kg3 Rh8 34. Rh1 Nb7 35. g5 Rbd8 36. Kf4 Kg6 37. Ne4 Bxe4 38. Kxe4 Rxh1 39. Rxh1 Bxg5 40. Bxf7+ Kxf7 41. Bxg5 Rd4+ 42. Kf5 Rb4 43. Rh7+ Kg8 44. Rxc7 Rxb3 45. Kg6 Rb6+ 46. Bf6 Nd8 47. Rc8 1-0

[Event "FRA-ch U18"]
[Site "Calvi"]
[Date "2005.04.17"]
[Round "1"]
[White "Delorme, Alban"]
[Black "Costa, Pierre Mathieu"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2263"]
[BlackElo "1974"]
[PlyCount "65"]
[EventDate "2005.04.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Ba5 6. b4 cxd4 7. Nb5 Bc7 8. f4 a5 9. Bd2 Nc6 10. Nf3 Nh6 11. Nxc7+ Qxc7 12. b5 Nb8 13. Nxd4 0-0 14. Bd3 Nd7 15. 0-0 Nc5 16. Rc1 Nf5 17. Bxf5 exf5 18. c4 Nd3 19. Bxa5 Qxa5 20. Qxd3 dxc4 21. Rxc4 Rd8 22. Qc2 Qb6 23. Kh1 Rxd4 24. Rxc8+ Rxc8 25. Qxc8+ Rd8 26. Qc4 h6 27. h3 Rd4 28. Qb3 Qc5 29. Kh2 Re4 30. Qd3 Re3 31. Qxf5 Qxb5 32. Rc1 Rxh3+ 33. Qxh3 1-0

[Event "Corsica CC-B"]
[Site "Corsica"]
[Date "2004.08.09"]
[Round "9"]
[White "Battesti, Marc Andria"]
[Black "Costa, Pierre Mathieu"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1830"]
[BlackElo "1958"]
[PlyCount "112"]
[EventDate "2004.08.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 cxd4 7. cxd4 Bd7 8. 0-0 Nxd4 9. Nxd4 Qxd4 10. Nc3 a6 11. Qe2 Qb6 12. Kh1 g6 13. f4 h5 14. Bd2 Ne7 15. Rad1 Nf5 16. Bxf5 gxf5 17. Be3 Bc5 18. Bxc5 Qxc5 19. Rf3 Bc6 20. Rfd3 Ke7 21. Rd4 b5 22. a3 a5 23. Qd2 b4 24. axb4 axb4 25. Rxb4 Rhb8 26. Rd4 Rb3 27. h3 Rab8 28. Qe1 Rxb2 29. Qh4+ Ke8 30. R1d3 R2b3 31. Qxh5 Ra8 32. Qg5 Rxc3 33. Qg8+ Ke7 34. Qg5+ Kd7 35. Qf6 Rc1+ 36. Kh2 Qe7 37. Qxe7+ Kxe7 38. g4 fxg4 39. hxg4 Ra4 40. Rxa4 Bxa4 41. f5 exf5 42. gxf5 Rf1 43. Ra3 Bd7 44. Ra5 d4 45. Rd5 Rxf5 46. Rxd4 Rxe5 47. Kg3 Ke6 48. Kf4 f5 49. Rb4 Kf6 50. Rb6+ Be6 51. Rb4 Re1 52. Kf3 Re4 53. Rb6 Ra4 54. Rd6 Ke5 55. Rd2 Ra3+ 56. Kf2 Ra2 0-1

[Event "Corsica CC-B"]
[Site "Corsica"]
[Date "2004.08.08"]
[Round "8"]
[White "Costa, Pierre Mathieu"]
[Black "Have, Didier"]
[Result "1/2-1/2"]
[ECO "A57"]
[WhiteElo "1958"]
[BlackElo "1860"]
[PlyCount "140"]
[EventDate "2004.08.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Nc3 d6 6. e4 g6 7. Nf3 Nbd7 8. bxa6 Bg7 9. Qc2 0-0 10. Nd2 Re8 11. Bc4 Bxa6 12. 0-0 Nb6 13. Bxa6 Rxa6 14. b3 Nfd7 15. Bb2 Qa8 16. a4 Rc8 17. Rfc1 h5 18. f4 Qb7 19. g3 Rca8 20. Nb5 Bxb2 21. Qxb2 Nf6 22. Qc2 Nbd7 23. Nc4 Kg7 24. h3 Ne8 25. Ra2 Nc7 26. Nca3 Nxb5 27. Nxb5 Qb6 28. Qc4 Ra5 29. Rca1 Qb7 30. Kg2 Nb6 31. Qc2 Kg8 32. g4 h4 33. Nc3 Rc8 34. Rb1 Qa6 35. Rab2 Ra8 36. Nb5 Qc8 37. Nc3 Qa6 38. Kf2 Rc8 39. Ke3 Kg7 40. Qe2 Qb7 41. g5 Qd7 42. Qg4 Qb7 43. Qxh4 Rh8 44. Qg4 c4 45. Kf3 cxb3 46. Rxb3 Qa6 47. Qg2 Nxa4 48. Nxa4 Rxa4 49. Qb2+ Kh7 50. Re3 Re8 51. h4 Ra2 52. Qd4 Ra3 53. h5 Rxe3+ 54. Qxe3 Qc4 55. hxg6+ fxg6 56. Rc1 Qb4 57. Kg4 Qb2 58. Qc3 Qg2+ 59. Qg3 Qxe4 60. Qf3 Qxf3+ 61. Kxf3 Kg7 62. Kg4 Rb8 63. Rc7 Kf7 64. Rc4 Rb5 65. Rd4 Rb1 66. Rd3 Rg1+ 67. Kf3 Rf1+ 68. Ke4 Re1+ 69. Kd4 Rf1 70. Ke4 Re1+ 1/2-1/2

[Event "Corsica CC-B"]
[Site "Corsica"]
[Date "2004.08.07"]
[Round "7"]
[White "Bicchierai, Gregory"]
[Black "Costa, Pierre Mathieu"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2096"]
[BlackElo "1958"]
[PlyCount "77"]
[EventDate "2004.08.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Qc7 7. Nf3 b6 8. Bb5+ Nc6 9. a4 a5 10. dxc5 bxc5 11. Ba3 Bd7 12. Qe2 c4 13. Bd6 Qa7 14. Bxc6 Bxc6 15. Nd4 Qd7 16. 0-0 Ne7 17. Qg4 Rg8 18. Bxe7 Kxe7 19. f4 Qa7 20. f5 Bd7 21. Qh4+ Kf8 22. f6 g6 23. Qh6+ Ke8 24. Qxh7 Rf8 25. Qh6 Rb8 26. Rfb1 Rxb1+ 27. Rxb1 Qc7 28. Qc1 Kd8 29. Qa3 Re8 30. Nf3 Kc8 31. Ng5 Bc6 32. Nxf7 Qxf7 33. Qc5 Qc7 34. f7 Bxa4 35. f8Q Rxf8 36. Qxf8+ Kd7 37. Qf7+ Kd8 38. Qxe6 Qa7+ 39. Kh1 1-0

[Event "Corsica CC-B"]
[Site "Corsica"]
[Date "2004.08.06"]
[Round "6"]
[White "Costa, Pierre Mathieu"]
[Black "Leveque, Christophe"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "1958"]
[BlackElo "1720"]
[PlyCount "51"]
[EventDate "2004.08.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. e4 Nb6 5. Be3 e5 6. dxe5 Qxd1+ 7. Kxd1 c5 8. Nc3 a6 9. Nd5 Nxd5 10. exd5 Bf5 11. Ne2 Nd7 12. Ng3 Bg6 13. f4 h6 14. d6 b5 15. a4 b4 16. b3 a5 17. Rc1 h5 18. h4 Bxd6 19. exd6 0-0 20. Bb5 Nb6 21. f5 Bh7 22. Bxc5 Nd5 23. d7 Rfd8 24. Bd4 Rab8 25. Re1 Nc7 26. Rxc7 1-0

[Event "Corsica CC-B"]
[Site "Corsica"]
[Date "2004.08.05"]
[Round "5"]
[White "Decourt, Frederic"]
[Black "Costa, Pierre Mathieu"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1760"]
[BlackElo "1958"]
[PlyCount "80"]
[EventDate "2004.08.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Nc3 e6 4. Nf3 Bb4 5. Bd3 c5 6. 0-0 cxd4 7. Nb5 Na6 8. Bf4 Nf6 9. Qe2 d5 10. e5 Nd7 11. Bg5 Qc8 12. a3 Bf8 13. b4 h6 14. Bh4 Nc7 15. Nd6+ Bxd6 16. exd6 Na6 17. Be7 Nab8 18. Ne5 Nxe5 19. Qxe5 Kd7 20. Qxg7 Qg8 21. Qxd4 Nc6 22. Bb5 Qg6 23. Qh4 Rhg8 24. g3 Qf5 25. Bf8 f6 26. Be7 Qg5 27. Qd4 a6 28. Bxc6+ Bxc6 29. Qxb6 Rgc8 30. Rfe1 e5 31. a4 d4 32. b5 Bf3 33. bxa6 Qf5 34. Qb5+ Ke6 35. Qb3+ Bd5 36. Qd3 Qh3 37. f3 Rc3 38. Qg6 Rxf3 39. Rxe5+ Kd7 40. Rxd5 Qe6 1-0

[Event "Corsica CC-B"]
[Site "Corsica"]
[Date "2004.08.04"]
[Round "4"]
[White "Costa, Pierre Mathieu"]
[Black "Stubbe, Damien"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "1958"]
[BlackElo "2020"]
[PlyCount "55"]
[EventDate "2004.08.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. f3 Nbd7 5. e4 dxe4 6. fxe4 c5 7. e5 cxd4 8. Qxd4 Ng8 9. c5 a6 10. Be3 e6 11. Ne4 Be7 12. Bc4 Nh6 13. Bxh6 gxh6 14. b4 Rg8 15. g3 b5 16. Be2 f6 17. Nd6+ Bxd6 18. exd6 Ne5 19. Bh5+ Kd7 20. Qe4 Rg5 21. Qxh7+ Kc6 22. Qe4+ Kd7 23. Bf3 Nxf3+ 24. Nxf3 Rd5 25. Rc1 Bb7 26. Qh7+ Kc6 27. Rd1 e5 28. Rxd5 1-0

[Event "Corsica CC-B"]
[Site "Corsica"]
[Date "2004.08.03"]
[Round "3"]
[White "Rossi, Pascal"]
[Black "Costa, Pierre Mathieu"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1821"]
[BlackElo "1958"]
[PlyCount "118"]
[EventDate "2004.08.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. f3 d5 3. e4 dxe4 4. Nc3 exf3 5. Nxf3 e6 6. a3 Be7 7. Bg5 b6 8. Qd2 Bb7 9. 0-0-0 Nbd7 10. Bb5 c6 11. Bd3 h6 12. Bh4 Qc7 13. Bg3 Bd6 14. Bxd6 Qxd6 15. Rhe1 0-0-0 16. h3 h5 17. Qg5 Qe7 18. Bc4 b5 19. Bf1 Nb6 20. Ne5 Qf8 21. Qg3 a6 22. Ne4 Nxe4 23. Rxe4 Nd7 24. Nd3 Rh6 25. Rf4 Rf6 26. Rxf6 Nxf6 27. Nc5 g6 28. Qf4 Qe7 29. c4 Ne8 30. Be2 Nd6 31. Nxb7 Kxb7 32. c5 Ne8 33. Rf1 f6 34. Bf3 Ng7 35. Qe4 Qe8 36. Re1 Rc8 37. Qf4 Qf8 38. b4 Rc7 39. Re2 g5 40. Qd2 Rd7 41. Qd3 Qb8 42. a4 Qf4+ 43. Rd2 g4 44. hxg4 hxg4 45. Be4 f5 46. axb5 axb5 47. Qxb5+ Kc8 48. Qa6+ Kd8 49. Bxc6 Rxd4 50. Qe2 Ke7 51. b5 Rc4+ 52. Kb1 Rxc5 53. Rd7+ Kf6 54. Qe1 Rc4 55. Qh4+ Kg6 56. Qe1 Rb4+ 57. Ka1 Qc4 58. Qe5 Qc1+ 59. Ka2 Qc2+ 0-1

[Event "Corsica CC-B"]
[Site "Corsica"]
[Date "2004.08.02"]
[Round "2"]
[White "Costa, Pierre Mathieu"]
[Black "Gil, Jean Jacques"]
[Result "1-0"]
[ECO "A95"]
[WhiteElo "1958"]
[BlackElo "1560"]
[PlyCount "77"]
[EventDate "2004.08.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 f5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. g3 0-0 6. Bg2 d5 7. 0-0 c6 8. a4 Ne4 9. Qd3 Qe8 10. Nd2 Nd7 11. f3 Nd6 12. e4 Qf7 13. e5 Ne8 14. f4 Nc7 15. a5 Kh8 16. b3 Rg8 17. Ba3 Bxa3 18. Rxa3 Nb8 19. b4 Bd7 20. Rc1 Rc8 21. Ra2 Nba6 22. Rb1 Qe7 23. Rab2 Nb8 24. Na4 Be8 25. Qc3 Nd7 26. Nc5 Rab8 27. Bf1 Na8 28. a6 b6 29. Nb7 Nc7 30. Nd6 Rd8 31. Nb7 Rdc8 32. Nd6 Rd8 33. b5 c5 34. Nb3 g6 35. dxc5 dxc4 36. Qxc4 Nd5 37. c6 Nc7 38. cxd7 Bxd7 39. Qxc7 1-0

[Event "Corsica CC-B"]
[Site "Corsica"]
[Date "2004.08.01"]
[Round "1"]
[White "Poesson, Thierry"]
[Black "Costa, Pierre Mathieu"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2040"]
[BlackElo "1958"]
[PlyCount "90"]
[EventDate "2004.08.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2008"]
[Source "ChessBase"]
[SourceDate "2007.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2007.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Bf4 Bg7 4. e3 0-0 5. Be2 d6 6. h3 Nbd7 7. 0-0 Nh5 8. Bh2 e5 9. c4 f5 10. Nc3 f4 11. b4 Bh6 12. dxe5 Bg7 13. Nd4 Nxe5 14. Bxh5 gxh5 15. Bxf4 Ng6 16. Bh2 c5 17. bxc5 dxc5 18. Nde2 Be6 19. Qb3 Qd3 20. Rfd1 Qxc4 21. Qxc4 Bxc4 22. Rac1 b5 23. Rd2 Rfd8 24. Rcd1 Rxd2 25. Rxd2 a6 26. Ne4 Bxe2 27. Rxe2 Rd8 28. Bd6 c4 29. Bb4 Rd1+ 30. Kh2 Ne5 31. Nc5 Nd3 32. Nxa6 Nxb4 33. Nxb4 Bf8 34. Nc6 c3 35. Rc2 b4 36. Nd4 Rd2 37. Kg3 Bc5 38. Rc1 Rxa2 39. Nb3 Be7 40. Kf3 Rb2 41. Nd4 Kf7 42. g4 h4 43. Nf5 Bf8 44. Nxh4 c2 45. Ke2 b3 0-1

[Event "Calvi Balagne op 01st"]
[Site "Calvi"]
[Date "2004.??.??"]
[Round "6"]
[White "Costa, Pierre Mathieu"]
[Black "Chatalbashev, Boris"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "1928"]
[BlackElo "2546"]
[PlyCount "46"]
[EventDate "2004.02.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CBM 098 Extra"]
[Source "ChessBase"]
[SourceDate "2004.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2004.03.10"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 c5 4. d5 d6 5. e4 e6 6. Nf3 exd5 7. Nxd5 Nf6 8. Nc3 0-0 9. Bf4 Re8 10. Nd2 Nxe4 11. Ncxe4 f5 12. f3 Qf6 13. Qe2 fxe4 14. Nxe4 Qxf4 15. Nf6+ Qxf6 16. Qxe8+ Qf8 17. Qe4 Bxb2 18. Rd1 Bc3+ 19. Ke2 Nc6 20. g4 Bd7 21. Kf2 Bd4+ 22. Kg3 Re8 23. Qc2 Re3 0-1

[Event "Calvi Balagne op 01st"]
[Site "Calvi"]
[Date "2004.??.??"]
[Round "4"]
[White "Costa, Pierre Mathieu"]
[Black "Starostits, Ilmars"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "1928"]
[BlackElo "2426"]
[PlyCount "102"]
[EventDate "2004.02.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "CBM 098 Extra"]
[Source "ChessBase"]
[SourceDate "2004.03.10"]
[SourceVersion "2"]
[SourceVersionDate "2004.03.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 dxc4 4. a4 e5 5. dxe5 Qxd1+ 6. Kxd1 Na6 7. e4 Bg4+ 8. f3 0-0-0+ 9. Ke2 Be6 10. Be3 Bc5 11. f4 f5 12. Nf3 Nh6 13. Ng5 Rd3 14. Nxe6 Rxe3+ 15. Kd2 Ng4 16. exf5 g5 17. Be2 Nf2 18. Nxc5 gxf4 19. Nxa6 Nxh1 20. Rxh1 Rd8+ 21. Kc2 Rxe5 22. Nb4 a5 23. Nba2 b5 24. b4 cxb3+ 25. Kxb3 b4 26. Ba6+ Kc7 27. Nb1 Re3+ 28. Kb2 Rg8 29. g3 fxg3 30. hxg3 Rgxg3 31. Rxh7+ Kb6 32. Bc4 Rg2+ 33. Ka1 Kc5 34. Be6 Kd4 35. Rh4+ Ke5 36. Rc4 Kd6 37. Rd4+ Kc7 38. Nxb4 axb4 39. Rxb4 Rf3 40. a5 Rg1 41. Kb2 c5 42. Rb5 Rf2+ 43. Ka1 Rg4 44. Rxc5+ Kd6 45. Rc4 Rxc4 46. Bxc4 Rxf5 47. a6 Ra5+ 48. Kb2 Kc5 49. Kb3 Kb6 50. Na3 Rxa6 51. Bxa6 Kxa6 1/2-1/2

[Event "Corsica-ch"]
[Site "Bastia"]
[Date "2003.06.22"]
[Round "2.2"]
[White "Costa, Pierre Mathieu"]
[Black "Cristofari, Antoine"]
[Result "0-1"]
[ECO "E80"]
[WhiteElo "2010"]
[BlackElo "2124"]
[PlyCount "70"]
[EventDate "2003.06.21"]
[EventType "k.o."]
[EventRounds "4"]
[EventCountry "FRA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 e5 6. dxe5 dxe5 7. Qxd8+ Kxd8 8. Bg5 h6 9. Bh4 c6 10. 0-0-0+ Kc7 11. b4 Be6 12. a4 Rd8 13. Rxd8 Kxd8 14. f4 Ke8 15. Nf3 Nbd7 16. Bd3 exf4 17. Re1 g5 18. Bf2 Ng4 19. Bd4 Bxd4 20. Nxd4 Nge5 21. Kc2 Nxd3 22. Kxd3 Ne5+ 23. Kc2 Nxc4 24. g3 Rd8 25. Nce2 fxg3 26. Nxe6 fxe6 27. Nxg3 Ke7 28. Kc3 Ne5 29. Re3 Rf8 30. Re2 Rf3+ 31. Kd4 Kd6 32. Rd2 Rxg3 33. Rd1 Rb3 34. h4 b6 35. b5 c5# 0-1

[Event "Corsica-ch"]
[Site "Bastia"]
[Date "2003.06.22"]
[Round "2.1"]
[White "Cristofari, Antoine"]
[Black "Costa, Pierre Mathieu"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "2124"]
[BlackElo "2010"]
[PlyCount "65"]
[EventDate "2003.06.21"]
[EventType "k.o."]
[EventRounds "4"]
[EventCountry "FRA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Bd3 e6 4. Ne2 Nf6 5. f3 c5 6. c3 Nc6 7. 0-0 Rc8 8. a3 d6 9. Bg5 Be7 10. Bxf6 Bxf6 11. d5 Ne5 12. Bb5+ Kf8 13. dxe6 fxe6 14. Nf4 Qe7 15. Nd2 d5 16. Re1 g6 17. exd5 exd5 18. Nf1 Qd6 19. Qe2 Nc6 20. Qe6 Qxe6 21. Rxe6 Kf7 22. Rae1 Nd8 23. Rd6 d4 24. Rd7+ Kf8 25. Ne6+ Kg8 26. Nxd8 Rxd8 27. Bc4+ Bd5 28. Bxd5+ Kf8 29. Rf7+ Kg8 30. Rxa7+ Kf8 31. Rf7+ Kg8 32. Bb3 Bg5 33. Rf5+ 1-0

[Event "Corsica-ch"]
[Site "Bastia"]
[Date "2003.06.21"]
[Round "1.1"]
[White "Costa, Pierre Mathieu"]
[Black "Rataud, Didier"]
[Result "1-0"]
[ECO "D50"]
[WhiteElo "2010"]
[BlackElo "1860"]
[PlyCount "69"]
[EventDate "2003.06.21"]
[EventType "k.o."]
[EventRounds "4"]
[EventCountry "FRA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 c5 5. e3 Nc6 6. Nf3 a6 7. dxc5 Bxc5 8. cxd5 Nb4 9. Bc4 exd5 10. Bxf6 Qxf6 11. Bxd5 0-0 12. 0-0 Nxd5 13. Qxd5 Be7 14. Qd4 Be6 15. Nd5 Bxd5 16. Qxd5 Rfd8 17. Qb3 b6 18. Rfd1 Rd6 19. Rd4 Rxd4 20. exd4 Rc8 21. Qd3 b5 22. h3 Bd6 23. Kf1 Bb4 24. a3 Ba5 25. b4 Bb6 26. a4 Rc4 27. axb5 axb5 28. Ra8+ Bd8 29. Qe4 Kf8 30. Ne5 Rc1+ 31. Ke2 Rc7 32. Qxh7 g6 33. Nxg6+ Ke8 34. Qg8+ Kd7 35. Ne5+ 1-0

[Event "Corsica-ch"]
[Site "Bastia"]
[Date "2003.06.21"]
[Round "1.2"]
[White "Rataud, Didier"]
[Black "Costa, Pierre Mathieu"]
[Result "0-1"]
[ECO "B00"]
[WhiteElo "1860"]
[BlackElo "2010"]
[PlyCount "64"]
[EventDate "2003.06.21"]
[EventType "k.o."]
[EventRounds "4"]
[EventCountry "FRA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Nc3 e6 4. Nf3 Bb4 5. Bd3 Nf6 6. Bg5 h6 7. Bh4 g5 8. Bg3 Bxc3+ 9. bxc3 Nxe4 10. c4 Nxg3 11. hxg3 Qf6 12. Be2 Nc6 13. c5 g4 14. Nh2 Qxd4 15. cxb6 axb6 16. Nxg4 Qc3+ 17. Kf1 f5 18. Ne3 0-0-0 19. Rh4 Rdf8 20. Rc4 Qa3 21. Rf4 Ne7 22. Bf3 Bc6 23. Bxc6 dxc6 24. c4 Rd8 25. Qe1 Ng6 26. Rf3 Ne5 27. Nc2 Qb2 28. Rc3 Nd3 29. Qxe6+ Kb7 30. Qf6 Rhf8 31. Qg7 Rg8 32. Qf6 Rd6 0-1

[Event "Porticcio op 4th"]
[Site "Porticcio"]
[Date "2003.06.??"]
[Round "7"]
[White "Costa, Pierre Mathieu"]
[Black "Battesti, Leo"]
[Result "1-0"]
[ECO "A57"]
[WhiteElo "2010"]
[BlackElo "1810"]
[PlyCount "78"]
[EventDate "2003.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. Nc3 d6 6. e4 g6 7. Bc4 Bg7 8. Nge2 0-0 9. 0-0 axb5 10. Bxb5 Ba6 11. Qc2 Qb6 12. a4 Nbd7 13. Ra3 Rfb8 14. Be3 Bxb5 15. Nxb5 Ne8 16. Nec3 Nc7 17. Rb1 Na6 18. b3 Nb4 19. Qd2 Qa5 20. Bh6 Bxh6 21. Qxh6 Nc2 22. Ra2 Nd4 23. Rab2 Nf6 24. f3 Nxb5 25. Nxb5 Ne8 26. Qd2 Qb6 27. Kf1 Nc7 28. Na3 Qb4 29. Qxb4 Rxb4 30. Nc4 Rab8 31. Na5 R4b6 32. Nc6 Re8 33. b4 e6 34. bxc5 Rxb2 35. Rxb2 dxc5 36. Rb7 exd5 37. Rxc7 dxe4 38. fxe4 Rxe4 39. a5 Ra4 1-0

[Event "Porticcio op 4th"]
[Site "Porticcio"]
[Date "2003.06.??"]
[Round "8"]
[White "Costa, Pierre Mathieu"]
[Black "Bicchierai, Gregory"]
[Result "1-0"]
[ECO "E83"]
[WhiteElo "2010"]
[BlackElo "2089"]
[PlyCount "59"]
[EventDate "2003.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nc6 7. Qd2 a6 8. g4 e5 9. d5 Nd4 10. Bg2 c5 11. Nge2 Qa5 12. Ng3 Nb3 13. axb3 Qxa1+ 14. Kf2 Qa5 15. h4 Bxg4 16. fxg4 Nxg4+ 17. Ke2 f5 18. exf5 gxf5 19. Nxf5 Rxf5 20. Be4 Rf7 21. Rg1 Nxe3 22. Qxe3 Kh8 23. Qg5 Qc7 24. Qh5 Bf6 25. Qh6 Qe7 26. Bg6 Rg8 27. Ne4 Bxh4 28. Nxd6 Qxd6 29. Bxf7 Qxh6 30. Rxg8# 1-0

[Event "Porticcio op 4th"]
[Site "Porticcio"]
[Date "2003.06.??"]
[Round "3"]
[White "Costa, Pierre Mathieu"]
[Black "Cristofari, Antoine"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2010"]
[BlackElo "2124"]
[PlyCount "62"]
[EventDate "2003.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Bg5 c6 7. Qd2 a6 8. g4 b5 9. h4 bxc4 10. Bxc4 d5 11. Bxf6 exf6 12. exd5 Re8+ 13. Nge2 Bb7 14. dxc6 Nxc6 15. Bd5 f5 16. 0-0-0 Rc8 17. Kb1 Qa5 18. h5 Red8 19. hxg6 Rxd5 20. gxf7+ Kf8 21. Nxd5 Qxd5 22. Rxh7 Qxf7 23. d5 Ne5 24. Nc3 fxg4 25. fxg4 Rd8 26. Rhh1 Qg6+ 27. Ka1 Kg8 28. g5 Rb8 29. Rhf1 a5 30. d6 Bc6 31. Qe3 Rxb2 1-0

[Event "Porticcio op 4th"]
[Site "Porticcio"]
[Date "2003.06.??"]
[Round "4"]
[White "Costa, Pierre Mathieu"]
[Black "Vilaisarn, Akkhavanh"]
[Result "0-1"]
[ECO "A42"]
[WhiteElo "2010"]
[BlackElo "2181"]
[PlyCount "72"]
[EventDate "2003.06.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nc6 5. Be3 e5 6. d5 Nd4 7. Nge2 c5 8. dxc6 Nxc6 9. Qd2 Be6 10. b3 Nge7 11. 0-0-0 Nc8 12. Nb5 0-0 13. Nxd6 Nxd6 14. Qxd6 Qa5 15. Qd2 Nb4 16. Nc3 Rfd8 17. Qb2 Rxd1+ 18. Kxd1 Rd8+ 19. Kc1 Bf8 20. Kb1 Nc6 21. a4 Bb4 22. Nd5 Bxd5 23. cxd5 Bc3 24. Qc2 Nd4 25. Bxd4 exd4 26. Bc4 a6 27. Qa2 Qb4 28. a5 Qc5 29. Rc1 Bxa5 30. Bxa6 Qb6 31. Bxb7 Qxb7 32. Qxa5 Qxb3+ 33. Ka1 Rb8 34. Qa2 Qb4 35. e5 d3 36. e6 Qd4+ 0-1

[Event "FRA-ch U16"]
[Site "Le Grand Bornand"]
[Date "2003.??.??"]
[Round "4.5"]
[White "Costa, Pierre Mathieu"]
[Black "Platel, Alexandre"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "1830"]
[BlackElo "2136"]
[PlyCount "72"]
[EventDate "2003.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "FRA"]
[SourceTitle "EXT 2004"]
[Source "ChessBase"]
[SourceDate "2003.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2003.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 Qxd4 7. Bxb4 Qxe4+ 8. Be2 Nd7 9. Nf3 c5 10. Bc3 Ngf6 11. Qd6 a5 12. Nd2 Qxg2 13. Bf3 Qh3 14. 0-0-0 Ra6 15. Qc7 0-0 16. Rdg1 Kh8 17. Rg3 Qh6 18. Rhg1 g6 19. Kb1 e5 20. Bd1 Kg8 21. Nf3 Rc6 22. Qxa5 Ne4 23. R3g2 b6 24. Qa3 Nxc3+ 25. Qxc3 Re6 26. Bc2 Qg7 27. h4 e4 28. Qxg7+ Kxg7 29. Ng5 Re7 30. Nxe4 Bb7 31. f3 Ne5 32. h5 Nxf3 33. Rf1 Nd4 34. h6+ Kh8 35. Rxg6 hxg6 36. Ng5 Nxc2 0-1

[Event "FRA-chT3"]
[Site "Bastia"]
[Date "2001.??.??"]
[Round "?"]
[White "Costa, Pierre Mathieu"]
[Black "Alberola, Raphael"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "1820"]
[BlackElo "1820"]
[PlyCount "75"]
[EventDate "2001.??.??"]
[EventType "team"]
[EventRounds "9"]
[EventCountry "FRA"]
[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 Bg7 4. e4 d6 5. f3 0-0 6. Bg5 h6 7. Be3 Nc6 8. Qd2 Kh7 9. g4 e5 10. d5 Ne7 11. Nge2 Nfg8 12. g5 f5 13. gxf6 Rxf6 14. Bg2 a6 15. h4 Bd7 16. a4 c5 17. Ng3 b5 18. axb5 axb5 19. Rxa8 Qxa8 20. Nxb5 Bxb5 21. cxb5 Nc8 22. Kf2 Nb6 23. Rc1 Rf7 24. h5 g5 25. Nf5 Nf6 26. Nxd6 Nxe4+ 27. Nxe4 Nxd5 28. Nxc5 Nxe3 29. Qxe3 Qe8 30. Qd3+ Kh8 31. Ne4 Rd7 32. Qc3 g4 33. Qc6 Qe7 34. b6 gxf3 35. Bxf3 Qh4+ 36. Kg2 Rd8 37. b7 Rg8 38. Qe6 1-0

[Event "corr"]
[Site "corr"]
[Date "1981.??.??"]
[Round "?"]
[White "Boulanger, Alain"]
[Black "Costa, Pierre Mathieu"]
[Result "0-1"]
[ECO "B17"]
[PlyCount "66"]
[EventDate "1981.??.??"]
[EventType "tourn (corr)"]
[EventRounds "1"]
[SourceTitle "Corr 2000"]
[Source "ChessBase"]
[SourceDate "2000.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2000.04.19"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng5 e6 7. Qe2 Nb6 8. Bd3 h6 9. N5f3 c5 10. dxc5 Bxc5 11. Bd2 Qc7 12. 0-0-0 Nbd7 13. Nh3 a6 14. Nf4 0-0 15. Ne1 b5 16. Nh5 b4 17. Nxf6+ Nxf6 18. Bc4 a5 19. h4 Bb7 20. Rf1 Rac8 21. Bb5 Bd5 22. Kb1 Rfd8 23. g4 Qb6 24. Bd3 a4 25. g5 Bxa2+ 26. Kxa2 b3+ 27. Kb1 a3 28. c4 axb2 29. Bc3 Qa7 30. Bxb2 Qa2+ 31. Kc1 Ba3 32. Bxa3 Rxc4+ 33. Nc2 Qxa3+ 0-1

