[Event "Vale do Maranga op"]
[Site "Vale do Maranga"]
[Date "2008.09.07"]
[Round "5"]
[White "Le Masson, Igor"]
[Black "Mathow, Hermann Mateo"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2139"]
[BlackElo "1951"]
[PlyCount "79"]
[EventDate "2008.09.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. f4 d6 4. Nf3 Bg4 5. Nc3 Nd7 6. Be2 Bxf3 7. Bxf3 e5 8. fxe5 dxe5 9. d5 Ne7 10. Be3 0-0 11. Qd2 Nc8 12. 0-0-0 Nd6 13. Be2 a6 14. g4 b5 15. a3 Qb8 16. b3 b4 17. axb4 Qxb4 18. Bd3 Nf6 19. Rdg1 Nb5 20. Nxb5 Qxd2+ 21. Kxd2 axb5 22. g5 Ne8 23. Bxb5 Nd6 24. Bd3 Ra2 25. Ra1 Rxa1 26. Rxa1 f5 27. gxf6 Bxf6 28. c4 Rb8 29. c5 Nf7 30. Kc3 Bh4 31. b4 g5 32. b5 g4 33. Ra7 Rc8 34. Bc4 g3 35. hxg3 Bxg3 36. d6 Kf8 37. Rxc7 Be1+ 38. Kd3 Rd8 39. Rxf7+ Ke8 40. Re7+ 1-0

[Event "Vale do Maranga op"]
[Site "Vale do Maranga"]
[Date "2008.09.06"]
[Round "3"]
[White "Le Masson, Igor"]
[Black "Reboredo, Maximiano Goncalves"]
[Result "0-1"]
[ECO "B95"]
[WhiteElo "2139"]
[PlyCount "90"]
[EventDate "2008.09.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qd2 b5 8. f3 Be7 9. a3 Bb7 10. 0-0-0 Nc6 11. Qe3 Qc7 12. f4 Rc8 13. Bxf6 Bxf6 14. Bxb5 0-0 15. Bxc6 Bxc6 16. Nxc6 Qxc6 17. e5 dxe5 18. fxe5 Be7 19. g3 h6 20. Kb1 Bxa3 21. bxa3 Qxc3 22. Qxc3 Rxc3 23. Rd3 Rfc8 24. Rc1 R8c5 25. Rxc3 Rxc3 26. Kb2 Re3 27. c4 Rxe5 28. c5 Kf8 29. c6 Rb5+ 30. Ka2 Rb8 31. c7 Rc8 32. Kb3 Ke7 33. Rc6 Kd7 34. Rxa6 Rxc7 35. Rb6 Ra7 36. Rb4 Kc7 37. Rd4 e5 38. Rd1 Kc6 39. Kb4 f5 40. Rc1+ Kb6 41. a4 e4 42. Rd1 Rb7 43. Kc3 Kc5 44. Rf1 g6 45. Rf2 Rd7 0-1

[Event "Vale do Maranga op"]
[Site "Vale do Maranga"]
[Date "2008.09.06"]
[Round "4"]
[White "Mourao, Igor AC Lofredo"]
[Black "Le Masson, Igor"]
[Result "1/2-1/2"]
[ECO "E97"]
[WhiteElo "1950"]
[BlackElo "2139"]
[PlyCount "54"]
[EventDate "2008.09.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[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. b4 Ne8 10. c5 f5 11. Nd2 f4 12. Nc4 g5 13. g4 Ng6 14. f3 Rf6 15. a4 Bf8 16. Ba3 Nh4 17. cxd6 cxd6 18. Ra2 h5 19. h3 hxg4 20. hxg4 Bd7 21. Rc2 Rc8 22. b5 Qe7 23. Bd3 Rh6 24. Rh2 Qh7 25. Kf2 Be7 26. Rfh1 Bd8 27. Bb4 Qg7 1/2-1/2

[Event "Vale do Maranga op"]
[Site "Vale do Maranga"]
[Date "2008.09.06"]
[Round "6"]
[White "Rosa, Nilton"]
[Black "Le Masson, Igor"]
[Result "1-0"]
[ECO "B38"]
[BlackElo "2139"]
[PlyCount "45"]
[EventDate "2008.09.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 g6 6. e4 d6 7. Be2 Bg7 8. Be3 0-0 9. 0-0 Bd7 10. Qd2 Ng4 11. Bxg4 Bxg4 12. f3 Bd7 13. Nde2 Ne5 14. b3 Re8 15. Kh1 h5 16. Bh6 Kh7 17. Bxg7 Kxg7 18. Rad1 Rc8 19. Qd4 Kh7 20. Qxa7 Bc6 21. Qe3 Qa5 22. Qd2 b5 23. Nxb5 1-0

[Event "Vale do Maranga op"]
[Site "Vale do Maranga"]
[Date "2008.09.05"]
[Round "2"]
[White "Limp, Eduardo Thelio"]
[Black "Le Masson, Igor"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2395"]
[BlackElo "2139"]
[PlyCount "49"]
[EventDate "2008.09.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Na3 Nc6 3. Bb5 g6 4. Nf3 Bg7 5. c3 a6 6. Be2 d6 7. 0-0 Nf6 8. d3 0-0 9. Re1 b5 10. Nc2 Bb7 11. Bf1 e5 12. Bg5 h6 13. Bxf6 Qxf6 14. Ne3 Qd8 15. a4 b4 16. Nd2 Ne7 17. cxb4 cxb4 18. a5 Rb8 19. Nec4 Re8 20. Nb6 Nc6 21. Qa4 Nd4 22. Rac1 f5 23. Qxb4 f4 24. Nb3 Nc6 25. Rxc6 1-0

[Event "Vale do Maranga op"]
[Site "Vale do Maranga"]
[Date "2008.09.04"]
[Round "1"]
[White "Le Masson, Igor"]
[Black "Rodrigues, Paulo Fernando"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "2139"]
[PlyCount "53"]
[EventDate "2008.09.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. h4 h6 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 Ngf6 11. Bd2 e6 12. 0-0-0 Qc7 13. Kb1 0-0-0 14. Qe2 Bd6 15. Ne4 Nxe4 16. Qxe4 Nf6 17. Qe2 Qb6 18. c4 c5 19. Bc3 Rhe8 20. Ne5 Bxe5 21. dxe5 Rxd1+ 22. Rxd1 Nh7 23. Rd6 Qc7 24. Qc2 Nf8 25. Qa4 Qe7 26. Qxa7 Nd7 27. Ba5 1-0

[Event "Rio de Janeiro Fischer Memorial"]
[Site "Rio de Janeiro"]
[Date "2008.07.26"]
[Round "9"]
[White "Pablo, Juan"]
[Black "Le Masson, Igor"]
[Result "1-0"]
[ECO "E98"]
[WhiteElo "1964"]
[BlackElo "2139"]
[PlyCount "51"]
[EventDate "2008.07.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. Nc3 d6 5. e4 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Ne8 10. Be3 f5 11. f3 f4 12. Bf2 g5 13. c5 h5 14. Nd3 Rf7 15. Rc1 Bf8 16. Nxe5 dxe5 17. d6 Be6 18. dxe7 Bxe7 19. Qxd8 Bxd8 20. Rfd1 c6 21. Rd2 Nf6 22. Rcd1 Be7 23. b4 Rff8 24. b5 Nd7 25. Rxd7 Bxd7 26. Rxd7 1-0

[Event "Rio de Janeiro Fischer Memorial"]
[Site "Rio de Janeiro"]
[Date "2008.07.23"]
[Round "8"]
[White "Le Masson, Igor"]
[Black "Vilela, Vinicius"]
[Result "0-1"]
[ECO "B70"]
[WhiteElo "2139"]
[BlackElo "2199"]
[PlyCount "78"]
[EventDate "2008.07.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. d4 cxd4 6. Nxd4 Ngf6 7. Nc3 g6 8. 0-0 Bg7 9. Kh1 0-0 10. Be3 Rc8 11. f3 Ne5 12. Nce2 Nc4 13. Bc1 e5 14. Nb5 Qb6 15. Nbc3 Rfd8 16. b3 Ne3 17. Bxe3 Qxe3 18. Qd3 Qxd3 19. cxd3 d5 20. Rad1 d4 21. Nb1 Bh6 22. Na3 Rc5 23. b4 Rcc8 24. Nc4 Nd7 25. a4 Bf8 26. b5 Bh6 27. f4 exf4 28. Nxf4 Bxf4 29. Rxf4 Nc5 30. Ne5 Nxa4 31. Nxf7 Rf8 32. Rdf1 Nc5 33. g4 Nxd3 34. R4f3 Kg7 35. h4 Rc1 36. Rxc1 Nxc1 37. Ne5 Rxf3 38. Nxf3 Nb3 39. Kg2 a5 0-1

[Event "Rio de Janeiro Fischer Memorial"]
[Site "Rio de Janeiro"]
[Date "2008.07.22"]
[Round "7"]
[White "Silveira, Fabricio"]
[Black "Le Masson, Igor"]
[Result "0-1"]
[ECO "B62"]
[BlackElo "2139"]
[PlyCount "61"]
[EventDate "2008.07.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 a6 6. Bg5 e6 7. Be2 Be7 8. 0-0 Nc6 9. Kh1 Bd7 10. f4 Qc7 11. Qd2 Nxd4 12. Qxd4 Qc5 13. Rad1 Qxd4 14. Rxd4 Bc6 15. Bf3 Rd8 16. e5 dxe5 17. Bxc6+ bxc6 18. Rxd8+ Kxd8 19. fxe5 Nd5 20. Bxe7+ Kxe7 21. Nxd5+ cxd5 22. Rf4 Rb8 23. b4 Rc8 24. Rf2 Rc4 25. a3 f6 26. exf6+ gxf6 27. g3 e5 28. Kg1 Ke6 29. Kf1 f5 30. Ke2 Rxc2+ 31. Kf3 0-1

[Event "Rio de Janeiro Fischer Memorial"]
[Site "Rio de Janeiro"]
[Date "2008.07.21"]
[Round "6"]
[White "Le Masson, Igor"]
[Black "Mourao, Igor AC Lofredo"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2139"]
[BlackElo "1950"]
[PlyCount "74"]
[EventDate "2008.07.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3 a6 5. a4 c5 6. e3 e6 7. Bxc4 Nc6 8. 0-0 Be7 9. b3 0-0 10. Bb2 cxd4 11. exd4 Nb4 12. Ne5 Nfd5 13. Nxd5 Nxd5 14. Rc1 Bd6 15. Re1 Rb8 16. Bd3 Qg5 17. Nf3 Qd8 18. Bb1 Bd7 19. Qd3 g6 20. Ne5 Qe7 21. Qh3 Rfc8 22. Qh6 Be8 23. Rxc8 Rxc8 24. Rc1 Rxc1+ 25. Qxc1 Qc7 26. Qxc7 Bxc7 27. Ba3 Bxe5 28. dxe5 b5 29. axb5 axb5 30. Bc5 f5 31. exf6 Nxf6 32. Kf1 Bc6 33. f3 Kf7 34. Kf2 e5 35. Ke3 Nd5+ 36. Kf2 Ke6 37. Be4 Be8 1/2-1/2

[Event "Rio de Janeiro Fischer Memorial"]
[Site "Rio de Janeiro"]
[Date "2008.07.20"]
[Round "5"]
[White "Guimaraes, Wagner Peixoto"]
[Black "Le Masson, Igor"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "2236"]
[BlackElo "2139"]
[PlyCount "59"]
[EventDate "2008.07.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Nc6 8. h3 Be6 9. Ng5 Be7 10. Nxe6 fxe6 11. Bc4 Qd7 12. Na4 Bd8 13. Bb3 0-0 14. Qe2 Nd4 15. Bxd4 exd4 16. e5 Nd5 17. Bxd5 exd5 18. b3 b5 19. Nb2 dxe5 20. 0-0 e4 21. a4 Bb6 22. Kh1 Rae8 23. axb5 axb5 24. Ra6 Rf6 25. Qd1 Ref8 26. Rxb6 Rxb6 27. Qxd4 Rh6 28. Ra1 Qf5 29. Ra7 Rg6 30. Nd1 1/2-1/2

[Event "Rio de Janeiro Fischer Memorial"]
[Site "Rio de Janeiro"]
[Date "2008.07.19"]
[Round "3"]
[White "Le Masson, Igor"]
[Black "Beringuy, Alexandre Jose"]
[Result "1/2-1/2"]
[ECO "B29"]
[WhiteElo "2139"]
[BlackElo "2090"]
[PlyCount "50"]
[EventDate "2008.07.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nf6 3. Nc3 d5 4. exd5 Nxd5 5. Bb5+ Bd7 6. Bxd7+ Qxd7 7. Nxd5 Qxd5 8. d4 e6 9. 0-0 Nc6 10. dxc5 Qxd1 11. Rxd1 Bxc5 12. Bf4 Rd8 13. Rxd8+ Kxd8 14. Rd1+ Ke7 15. c3 Rd8 16. Rxd8 Nxd8 17. Kf1 f6 18. Ke2 e5 19. Be3 Bxe3 20. Kxe3 Ke6 21. Nd2 Nc6 22. Ne4 b6 23. f3 h6 24. Kd3 f5 25. Nd2 Kd5 1/2-1/2

[Event "Rio de Janeiro Fischer Memorial"]
[Site "Rio de Janeiro"]
[Date "2008.07.19"]
[Round "4"]
[White "Le Masson, Igor"]
[Black "Teixeira, Ricardo da Silva"]
[Result "1/2-1/2"]
[ECO "B03"]
[WhiteElo "2139"]
[BlackElo "2377"]
[PlyCount "103"]
[EventDate "2008.07.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. f4 dxe5 6. fxe5 Bf5 7. Nf3 e6 8. Nc3 Bb4 9. Be3 c5 10. Rc1 Nc6 11. Be2 Rc8 12. 0-0 cxd4 13. Bxd4 0-0 14. a3 Nxd4 15. Nxd4 Bc5 16. Ncb5 a6 17. Nd6 Qh4 18. g4 Qg5 19. Kh1 Be4+ 20. Nxe4 Qxe5 21. Nxc5 Qxc5 22. b4 Qg5 23. Qb3 Rcd8 24. Rcd1 Qe5 25. Qg3 Nxc4 26. Qxe5 Nxe5 27. Nb3 b6 28. Rxd8 Rxd8 29. Rd1 Rxd1+ 30. Bxd1 Nc4 31. Be2 Nxa3 32. Bxa6 Nc2 33. b5 Kf8 34. Kg2 Ke7 35. Kf3 Kd6 36. Bb7 Ke5 37. Be4 Ne1+ 38. Ke3 f5 39. gxf5 exf5 40. Bc6 Nc2+ 41. Kd3 Na3 42. Nd2 Kf4 43. Kc3 g5 44. Kd4 g4 45. Kd5 Ke3 46. Nf1+ Kf2 47. Ng3 f4 48. Nh5 g3 49. hxg3 fxg3 50. Nxg3 Kxg3 51. Bd7 h5 52. Kc6 1/2-1/2

[Event "Rio de Janeiro Fischer Memorial"]
[Site "Rio de Janeiro"]
[Date "2008.07.18"]
[Round "1"]
[White "Le Masson, Igor"]
[Black "Rangel, Daniel"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "2139"]
[PlyCount "61"]
[EventDate "2008.07.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f3 Bg7 7. Be3 0-0 8. Qd2 Nc6 9. 0-0-0 Nxd4 10. Bxd4 Be6 11. Kb1 a5 12. g4 a4 13. a3 Qa5 14. h3 Rfc8 15. Qe3 Nd7 16. Nd5 Bxd5 17. exd5 Bxd4 18. Qxd4 Qc5 19. Qd2 Nb6 20. h4 Ra5 21. h5 Qxd5 22. hxg6 hxg6 23. Qh2 Qe5 24. Qh4 Rac5 25. f4 Qg7 26. Rd2 g5 27. fxg5 Rxg5 28. Rdh2 f6 29. Bd3 Kf7 30. Qf2 Ke8 31. Qxb6 1-0

[Event "Rio de Janeiro Fischer Memorial"]
[Site "Rio de Janeiro"]
[Date "2008.07.18"]
[Round "2"]
[White "Rodrigo, Daniel"]
[Black "Le Masson, Igor"]
[Result "1-0"]
[ECO "B96"]
[WhiteElo "2090"]
[BlackElo "2139"]
[PlyCount "80"]
[EventDate "2008.07.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Nb3 Be7 8. f4 a6 9. Qf3 Bd7 10. g4 b5 11. Bxf6 Bxf6 12. g5 Nd4 13. Nxd4 Bxd4 14. 0-0-0 Bc5 15. Bd3 Qb6 16. h4 0-0-0 17. f5 b4 18. Ne2 exf5 19. exf5 Rde8 20. Qf1 Bc6 21. Rh3 Re5 22. Kb1 Rhe8 23. Nc1 a5 24. f6 g6 25. h5 Rxg5 26. hxg6 hxg6 27. Qf4 Rge5 28. Qh4 a4 29. Qh6 Bd5 30. Qh4 Rh5 31. Qg3 Re3 32. Rxh5 Rxg3 33. Rxd5 Rg1 34. Bc4 Rxd1 35. Rxd1 Bd4 36. Bxf7 Bxf6 37. Bxg6 Qc5 38. Rf1 Qd4 39. Nd3 a3 40. Rxf6 Qxf6 1-0

[Event "Rio de Janeiro tt"]
[Site "Rio de Janeiro"]
[Date "2001.08.26"]
[Round "5"]
[White "Le Masson, Igor"]
[Black "Rabello, David Sousa"]
[Result "1-0"]
[ECO "E81"]
[WhiteElo "2139"]
[BlackElo "2069"]
[PlyCount "75"]
[EventDate "2001.08.18"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nf6 5. f3 0-0 6. Be3 Nbd7 7. Qd2 c5 8. 0-0-0 a6 9. g4 cxd4 10. Bxd4 Qa5 11. Kb1 Ne5 12. Nd5 Qxd2 13. Nxe7+ Kh8 14. Rxd2 Re8 15. Nd5 Nxd5 16. cxd5 Bd7 17. h3 Rac8 18. b3 Rc7 19. f4 Rec8 20. Bb2 Nxg4 21. hxg4 Bxb2 22. Kxb2 Bxg4 23. Be2 Bd7 24. Nf3 f6 25. Nd4 Re8 26. Bd3 Kg8 27. f5 g5 28. Rh6 Kg7 29. Rdh2 Rh8 30. Be2 Rcc8 31. Ne6+ Bxe6 32. fxe6 Rcf8 33. Bg4 b5 34. Bf5 b4 35. Rxh7+ Rxh7 36. Rxh7+ Kg8 37. Rc7 Re8 38. Bg6 1-0

[Event "Rio de Janeiro tt"]
[Site "Rio de Janeiro"]
[Date "2001.08.26"]
[Round "4"]
[White "Le Masson, Igor"]
[Black "Schiavo, Marcelo"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "2139"]
[BlackElo "2080"]
[PlyCount "80"]
[EventDate "2001.08.18"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Qc7 6. Nc3 Nf6 7. a3 Be7 8. Be3 d6 9. Be2 Nbd7 10. f4 b6 11. g4 Bb7 12. Bf3 Nc5 13. Qc2 h5 14. g5 Ng4 15. Bd2 e5 16. Nf5 exf4 17. Bxf4 Ne6 18. Bd2 0-0-0 19. Nxe7+ Qxe7 20. Nd5 Bxd5 21. cxd5+ Nc7 22. Rc1 Ne5 23. Be2 Kb7 24. h4 Rc8 25. Qb3 Nb5 26. Rh3 Rxc1+ 27. Bxc1 Rc8 28. Bd2 Ng4 29. Qd3 Ne5 30. Qb3 Nd7 31. Re3 Nc5 32. Qb4 Qe5 33. Bxb5 axb5 34. Qxb5 Qh2 35. Qe2 Qxh4+ 36. Qf2 Qh1+ 37. Ke2 Nxe4 38. Qe1 Qg2+ 39. Kd3 Nf2+ 40. Ke2 Ng4+ 0-1

[Event "Rio de Janeiro tt"]
[Site "Rio de Janeiro"]
[Date "2001.08.25"]
[Round "3"]
[White "Pereira, Celio Antunes"]
[Black "Le Masson, Igor"]
[Result "1/2-1/2"]
[ECO "B85"]
[WhiteElo "2047"]
[BlackElo "2139"]
[PlyCount "50"]
[EventDate "2001.08.18"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "BRA"]
[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. Be2 e6 7. Be3 Be7 8. 0-0 0-0 9. f4 a6 10. Bf3 Re8 11. Qd2 Bd7 12. Rad1 Rc8 13. Nb3 e5 14. f5 b5 15. Qf2 Qc7 16. g4 b4 17. Ne2 Nd4 18. Nbxd4 exd4 19. Nxd4 Bf8 20. Qg2 d5 21. g5 Nxe4 22. f6 g6 23. Rfe1 Bc5 24. Re2 Bf8 25. Kh1 Rcd8 1/2-1/2

[Event "Rio de Janeiro tt"]
[Site "Rio de Janeiro"]
[Date "2001.08.19"]
[Round "2"]
[White "Le Masson, Igor"]
[Black "Silva, Decio"]
[Result "1/2-1/2"]
[ECO "B67"]
[WhiteElo "2139"]
[BlackElo "2209"]
[PlyCount "49"]
[EventDate "2001.08.18"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "BRA"]
[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 Bd7 9. f3 Be7 10. h4 Nxd4 11. Qxd4 Bc6 12. g4 0-0 13. Be3 b5 14. Be2 Qa5 15. g5 Nd7 16. h5 b4 17. h6 e5 18. Nd5 exd4 19. Nxe7+ Kh8 20. hxg7+ Kxg7 21. Bxd4+ Ne5 22. Rxh7+ Kxh7 23. Rh1+ Kg7 24. Nf5+ Kg8 25. Nh6+ 1/2-1/2

[Event "Rio de Janeiro tt"]
[Site "Rio de Janeiro"]
[Date "2001.08.18"]
[Round "1"]
[White "Mercadante, Ricardo Rodrigues"]
[Black "Le Masson, Igor"]
[Result "0-1"]
[ECO "D79"]
[WhiteElo "2314"]
[BlackElo "2139"]
[PlyCount "39"]
[EventDate "2001.08.18"]
[EventType "team"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c6 3. g3 g6 4. Nc3 d5 5. cxd5 cxd5 6. d4 Nc6 7. Bg2 Bg7 8. 0-0 0-0 9. Ne5 Bf5 10. Nxc6 bxc6 11. Na4 Ne4 12. Bf4 h6 13. g4 Bd7 14. Bxe4 dxe4 15. e3 Qc8 16. Qc2 Bxg4 17. Qxe4 g5 18. Bg3 f5 19. Qc2 f4 20. exf4 0-1

[Event "Morphy Memorial"]
[Site "Rio de Janeiro"]
[Date "2000.11.02"]
[Round "9"]
[White "Le Masson, Igor"]
[Black "Mendlewicz, Mendel"]
[Result "0-1"]
[ECO "B00"]
[PlyCount "50"]
[EventDate "2000.09.09"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 Nc6 2. d4 e5 3. d5 Nce7 4. f4 exf4 5. c4 Ng6 6. Nf3 Nf6 7. Nc3 Bc5 8. h3 d6 9. b4 Bb6 10. Bd2 Bd7 11. Bd3 0-0 12. Qc1 Nh5 13. Kd1 a5 14. a3 Qf6 15. Re1 Ne5 16. Nxe5 Qxe5 17. Kc2 axb4 18. axb4 g5 19. Be2 Ng3 20. Qb2 Rxa1 21. Qxa1 Bf2 22. Rc1 Nxe2 23. Nxe2 Qxe4+ 24. Kd1 Re8 25. Nc3 Qd3 0-1

[Event "Morphy Memorial"]
[Site "Rio de Janeiro"]
[Date "2000.10.16"]
[Round "8"]
[White "Vilela, Vinicius"]
[Black "Le Masson, Igor"]
[Result "1/2-1/2"]
[ECO "E88"]
[PlyCount "35"]
[EventDate "2000.09.09"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[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. Be3 e5 7. d5 c6 8. Qd2 cxd5 9. cxd5 Nh5 10. g4 Nf4 11. h4 f5 12. gxf5 gxf5 13. 0-0-0 a6 14. Nge2 Nxe2+ 15. Bxe2 f4 16. Bf2 b5 17. Rdg1 b4 18. Na4 1/2-1/2

[Event "Morphy Memorial"]
[Site "Rio de Janeiro"]
[Date "2000.10.07"]
[Round "5"]
[White "Le Masson, Igor"]
[Black "Ramos, Angelo Bil"]
[Result "1-0"]
[ECO "B95"]
[PlyCount "83"]
[EventDate "2000.09.09"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. Qd2 Be7 8. 0-0-0 Nbd7 9. f4 0-0 10. Be2 Qc7 11. Bf3 Rb8 12. g4 b5 13. e5 b4 14. Nce2 dxe5 15. Nc6 e4 16. Nxe7+ Kh8 17. Bg2 b3 18. a3 bxc2 19. Qxc2 Nc5 20. b4 Nd3+ 21. Rxd3 Qxc2+ 22. Kxc2 exd3+ 23. Kxd3 Nxg4 24. Rc1 Bb7 25. Nc6 Rbc8 26. h3 Nf2+ 27. Ke3 Nxh3 28. Bh4 Bxc6 29. Rxc6 Rxc6 30. Bxc6 f6 31. Bb7 g5 32. Be1 gxf4+ 33. Nxf4 Nxf4 34. Kxf4 Rd8 35. Bxa6 Kg7 36. b5 e5+ 37. Ke3 f5 38. Ba5 Rd1 39. b6 Kf6 40. b7 Rb1 41. Bb4 Rb3+ 42. Kd2 1-0

[Event "Morphy Memorial"]
[Site "Rio de Janeiro"]
[Date "2000.10.07"]
[Round "4"]
[White "Litrento, Oliveiros Lessa"]
[Black "Le Masson, Igor"]
[Result "0-1"]
[ECO "E23"]
[WhiteElo "2030"]
[PlyCount "100"]
[EventDate "2000.09.09"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qb3 c5 5. dxc5 Bxc5 6. Nf3 Nc6 7. Bg5 h6 8. Bh4 b6 9. Ne4 Bb4+ 10. Nc3 Bb7 11. a3 Be7 12. Qd1 Rc8 13. e3 d5 14. cxd5 Nxd5 15. Bxe7 Nxc3 16. Qxd8+ Nxd8 17. Bxd8 Ne4 18. Bh4 0-0 19. Be2 Rc2 20. Bd3 Rxb2 21. Bxe4 Bxe4 22. 0-0 f6 23. Bg3 e5 24. Rfd1 Rc8 25. Rac1 Rxc1 26. Rxc1 Kf7 27. h4 a5 28. Ne1 b5 29. f3 Bf5 30. e4 Be6 31. Bf2 Bc4 32. Bb6 Ra2 33. Bxa5 Rxa3 34. Bb4 Rb3 35. Bc5 g5 36. hxg5 fxg5 37. Ra1 Rb2 38. Ra7+ Kf6 39. Ra6+ Kg7 40. Rb6 h5 41. Bd6 Re2 42. Bxe5+ Kh7 43. Bc3 g4 44. fxg4 hxg4 45. Rb7+ Kh6 46. Rb6+ Kg5 47. e5 Kf4 48. e6 g3 49. Bb4 Rf2 50. Bd6+ Kg4 0-1

[Event "Morphy Memorial"]
[Site "Rio de Janeiro"]
[Date "2000.09.30"]
[Round "3"]
[White "Le Masson, Igor"]
[Black "Carvalho, Renato Luiz"]
[Result "1-0"]
[ECO "B27"]
[BlackElo "2110"]
[PlyCount "77"]
[EventDate "2000.09.09"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 b6 3. d4 cxd4 4. Nxd4 Bb7 5. Nc3 g6 6. Be3 Bg7 7. Qd2 Nc6 8. f3 Rc8 9. h4 h5 10. 0-0-0 Ne5 11. Be2 Nc4 12. Bxc4 Rxc4 13. Kb1 Nh6 14. Rhg1 Qc8 15. Ndb5 d6 16. Nxa7 Qd7 17. Nab5 Ba6 18. Qd5 Rb4 19. Qa8+ Bc8 20. a3 Rxb2+ 21. Kxb2 Qxb5+ 22. Kc1 Qc4 23. Qa4+ b5 24. Qxb5+ Qxb5 25. Nxb5 Kd7 26. c4 Bb7 27. Kc2 Ra8 28. Kb3 f5 29. e5 Nf7 30. exd6 exd6 31. Bf4 Ra6 32. Rge1 Rb6 33. a4 Ba6 34. Re3 Bxb5 35. axb5 Nd8 36. Bg5 Ne6 37. Rde1 d5 38. cxd5 Nd4+ 39. Kc4 1-0

[Event "Morphy Memorial"]
[Site "Rio de Janeiro"]
[Date "2000.09.15"]
[Round "7"]
[White "Le Masson, Igor"]
[Black "Souza, Marco Andre"]
[Result "1/2-1/2"]
[ECO "C11"]
[BlackElo "2151"]
[PlyCount "76"]
[EventDate "2000.09.09"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 e6 2. e4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. f4 c5 6. Nf3 Qb6 7. Bb5 Nc6 8. Bxc6 Qxc6 9. Be3 Qb6 10. Qd2 Be7 11. 0-0 0-0 12. dxc5 Bxc5 13. Bxc5 Qxc5+ 14. Qd4 Qxd4+ 15. Nxd4 Nc5 16. b4 Na6 17. b5 Nc5 18. a4 Bd7 19. a5 b6 20. axb6 axb6 21. Rxa8 Rxa8 22. Nc6 Ra3 23. Rf3 Na4 24. Nxa4 Rxa4 25. Rc3 Rxf4 26. Nb8 Be8 27. Rc8 Kf8 28. Nd7+ Ke7 29. Nxb6 Bd7 30. Nxd7 Kxd7 31. Rb8 Rc4 32. b6 Rxc2 33. Rb7+ Ke8 34. Ra7 Rb2 35. b7 Kd8 36. Ra8+ Kc7 37. Rf8 Rxb7 38. Rxf7+ Kc6 1/2-1/2

[Event "Morphy Memorial"]
[Site "Rio de Janeiro"]
[Date "2000.09.10"]
[Round "2"]
[White "Guedes, Sebastiao Henrique"]
[Black "Le Masson, Igor"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "2017"]
[PlyCount "98"]
[EventDate "2000.09.09"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 Bf5 5. cxd5 cxd5 6. Bg5 e6 7. e3 Be7 8. Rc1 a6 9. Bd3 Bxd3 10. Qxd3 Nbd7 11. 0-0 0-0 12. h3 Rc8 13. Rc2 b5 14. Rfc1 Nb6 15. Nb1 Qd7 16. Ne5 Qb7 17. Nd2 Rxc2 18. Rxc2 Rc8 19. Nef3 Rxc2 20. Qxc2 Qc8 21. Qxc8+ Nxc8 22. Ne5 h6 23. Bf4 Kf8 24. Nc6 Bd6 25. Bxd6+ Nxd6 26. b3 Nfe8 27. Kf1 Nc7 28. Ke2 f6 29. Kd3 Ke8 30. Kc3 Nb7 31. Nb4 a5 32. Nd3 b4+ 33. Kb2 Nb5 34. Nb1 Nd8 35. Nc5 e5 36. dxe5 fxe5 37. a3 Nc6 38. Nd3 Ke7 39. a4 Nd6 40. Nd2 g5 41. f3 Ke6 42. Nf2 Nf5 43. e4 Ne3 44. exd5+ Kxd5 45. Ng4 Nf5 46. Kc2 h5 47. Nf6+ Kd4 48. Nc4 Ne3+ 49. Nxe3 Kxe3 0-1

[Event "Morphy Memorial"]
[Site "Rio de Janeiro"]
[Date "2000.09.09"]
[Round "1"]
[White "Mathow, Hermann Mateo"]
[Black "Le Masson, Igor"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "58"]
[EventDate "2000.09.09"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nc3 d5 2. d4 Nf6 3. Nf3 Bf5 4. e3 e6 5. Bb5+ c6 6. Bd3 Nbd7 7. Bxf5 exf5 8. 0-0 Bd6 9. Qd3 g6 10. Ne2 0-0 11. b3 Ne4 12. Bb2 Ndf6 13. Ne5 Qe7 14. f3 Ng5 15. h4 Ne6 16. Ng3 Rae8 17. h5 f4 18. Ne2 Nxh5 19. exf4 f6 20. Nxg6 hxg6 21. Qxg6+ Nhg7 22. g3 Qf7 23. Qxf7+ Kxf7 24. Rf2 Rh8 25. Re1 Rh6 26. Rh2 Rxh2 27. Kxh2 Nf5 28. Bc1 Nfxd4 29. Kg2 Nxe2 0-1

[Event "Rio de Janeiro Estadual U20"]
[Site "Rio de Janeiro"]
[Date "2000.04.08"]
[Round "?"]
[White "Lebedenco, Nicolas"]
[Black "Le Masson, Igor"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1467"]
[BlackElo "1786"]
[PlyCount "96"]
[EventDate "2000.04.??"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 c5 6. Nc3 Nc6 7. dxc5 Bxc5 8. 0-0 f6 9. exf6 Nxf6 10. Bg5 0-0 11. Nh4 Ne7 12. Nxf5 Nxf5 13. Bd3 Nd6 14. Re1 Qd7 15. Re2 Rae8 16. Qd2 a6 17. Rf1 b5 18. Kh1 a5 19. Nd1 b4 20. Bf4 Nf7 21. f3 e5 22. Bg3 Re7 23. Rfe1 Rfe8 24. c3 e4 25. fxe4 dxe4 26. Bc2 Qxd2 27. Rxd2 e3 28. Rde2 Ne4 29. Bxe4 Rxe4 30. c4 Nh6 31. Rf1 Rxc4 32. Kg1 Rc1 33. h3 g6 34. Bf4 Rf8 35. Bxh6 Rxf1+ 36. Kxf1 Rxd1+ 37. Re1 Rd2 38. Re2 Rd1+ 39. Re1 Rd3 40. Rc1 Bd4 41. Rc2 b3 42. axb3 Rxb3 43. Ke2 Rxb2 44. Rxb2 Bxb2 45. Bxe3 a4 46. Kd1 Kf7 47. Kc2 Be5 48. Bc1 Ke6 0-1

[Event "Rio de Janeiro Estadual U20"]
[Site "Rio de Janeiro"]
[Date "2000.04.07"]
[Round "?"]
[White "Le Masson, Igor"]
[Black "Siviotti, Leonardo"]
[Result "0-1"]
[ECO "B70"]
[WhiteElo "1786"]
[BlackElo "1940"]
[PlyCount "94"]
[EventDate "2000.04.??"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "BRA"]
[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 Nf6 4. Nc3 cxd4 5. Nxd4 g6 6. f3 Qb6 7. Bb5+ Bd7 8. Na4 Qc7 9. Be3 a6 10. Bxd7+ Nfxd7 11. 0-0 Ne5 12. b3 b5 13. Nb2 Bg7 14. Rc1 Qc3 15. Nd3 Nc4 16. Ne2 Nxe3 17. Nxc3 Nxd1 18. Nxd1 Kd7 19. Kh1 Rc8 20. Ne3 e6 21. f4 Bd4 22. Ng4 h5 23. Ngf2 Be3 24. Rce1 Bb6 25. Rc1 Ra7 26. Nd1 Rac7 27. c3 Bd4 28. cxd4 Rxc1 29. Nxc1 Rxc1 30. d5 a5 31. dxe6+ fxe6 32. Ne3 Rxf1+ 33. Nxf1 Nc6 34. Ne3 Nb4 35. a4 bxa4 36. bxa4 d5 37. exd5 exd5 38. Kg1 Kc6 39. h4 Kc5 40. f5 gxf5 41. Nxf5 d4 42. Ng3 Nd5 43. Nxh5 Kb4 44. Ng3 Kxa4 45. Ne4 Kb4 46. h5 a4 47. h6 Ne7 0-1

[Event "Rio de Janeiro Estadual U20"]
[Site "Rio de Janeiro"]
[Date "2000.04.06"]
[Round "?"]
[White "Souza, Eduardo Dotorivo"]
[Black "Le Masson, Igor"]
[Result "1/2-1/2"]
[ECO "A26"]
[WhiteElo "1702"]
[BlackElo "1786"]
[PlyCount "95"]
[EventDate "2000.04.??"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. g3 Bg7 5. Bg2 0-0 6. Nge2 e5 7. 0-0 Nc6 8. d3 Nh5 9. h3 Be6 10. g4 Nf6 11. f4 exf4 12. Nxf4 Qd7 13. Be3 Ne5 14. g5 Ne8 15. Qe1 f6 16. Nxe6 Qxe6 17. Qd2 c6 18. b3 Nc7 19. d4 Nf7 20. gxf6 Bxf6 21. Rf3 Rad8 22. Raf1 Bg7 23. h4 Qe7 24. Qf2 a6 25. Qg3 Ne6 26. Ne2 g5 27. hxg5 Nexg5 28. Bxg5 Nxg5 29. Rxf8+ Rxf8 30. Rxf8+ Kxf8 31. Qf4+ Qf6 32. Qg4 Qe7 33. Qf5+ Kg8 34. Kf2 Ne6 35. e5 dxe5 36. dxe5 Qc5+ 37. Kf3 Qxe5 38. Qxe5 Bxe5 39. Ke4 Bf6 40. Kf5 Kf7 41. b4 Nc7 42. a4 Bb2 43. b5 cxb5 44. cxb5 axb5 45. axb5 Nxb5 46. Bd5+ Ke7 47. Kg5 Nd6 48. Bxb7 1/2-1/2

[Event "Rio de Janeiro Estadual U20"]
[Site "Rio de Janeiro"]
[Date "2000.04.02"]
[Round "?"]
[White "Le Masson, Igor"]
[Black "Di Berardino, Diego Rafael"]
[Result "0-1"]
[ECO "E68"]
[WhiteElo "1786"]
[BlackElo "2021"]
[PlyCount "86"]
[EventDate "2000.04.??"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 Bg7 4. g3 0-0 5. Bg2 d6 6. d4 Re8 7. e4 Nbd7 8. 0-0 e5 9. dxe5 Nxe5 10. Nxe5 Rxe5 11. Bf4 Re8 12. Rc1 Be6 13. b3 Qd7 14. Re1 Ng4 15. Nd5 Nf6 16. Qd2 Rac8 17. f3 h5 18. h4 Nh7 19. Bh6 Be5 20. Bf4 Rcd8 21. Rcd1 c6 22. Nc3 Qc7 23. Bxe5 dxe5 24. Qe3 Qa5 25. Na4 Rd4 26. Qc3 Qxc3 27. Nxc3 Red8 28. Bf1 Nf8 29. Be2 Nd7 30. Kf2 Nc5 31. f4 f6 32. Ke3 Kf7 33. b4 Na6 34. a3 Ke7 35. c5 Nc7 36. f5 Bf7 37. g4 hxg4 38. fxg6 Bxg6 39. Bxg4 Ne6 40. h5 Bh7 41. Rg1 Ng5 42. Bf5 Bxf5 43. exf5 Rh8 0-1

[Event "Rio de Janeiro Estadual U20"]
[Site "Rio de Janeiro"]
[Date "2000.04.02"]
[Round "?"]
[White "Luiz, Joao"]
[Black "Le Masson, Igor"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1396"]
[BlackElo "1786"]
[PlyCount "76"]
[EventDate "2000.04.??"]
[EventType "tourn"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2005"]
[Source "ChessBase"]
[SourceDate "2004.11.15"]
[SourceVersion "1"]
[SourceVersionDate "2004.11.15"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. d4 Bg7 4. e3 0-0 5. Bd3 b6 6. h3 Bb7 7. Nf3 d6 8. Bd2 Nbd7 9. Qc2 Re8 10. e4 e5 11. d5 Rc8 12. Be3 c6 13. Nd2 cxd5 14. exd5 Nh5 15. 0-0 f5 16. f3 Ng3 17. Rfe1 Nf6 18. Bf2 Nfh5 19. Kh2 f4 20. Nce4 Bxd5 21. b3 Bb7 22. Rad1 Bh6 23. Bxg3 fxg3+ 24. Kg1 Re6 25. Nc3 Qh4 26. Ne2 Be3+ 27. Kh1 Rf6 28. Rf1 d5 29. Qb1 Rcf8 30. cxd5 Bxd5 31. Be4 Be6 32. Ng1 Bxg1 33. Kxg1 Bxh3 34. Bd5+ Be6 35. Bxe6+ Rxe6 36. Rfe1 Qh2+ 37. Kf1 Nf4 38. Re2 Qh1# 0-1

[Event "BRA-ch U20"]
[Site "Brasilia"]
[Date "1999.??.??"]
[Round "5"]
[White "Gomes Filho, Jose"]
[Black "Le Masson, Igor"]
[Result "1-0"]
[ECO "A24"]
[PlyCount "91"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 0-0 5. d3 c6 6. e4 d6 7. Nge2 e5 8. 0-0 Nh5 9. Be3 f5 10. f4 Nf6 11. h3 Na6 12. Qd2 Nc7 13. Rad1 Be6 14. c5 fxe4 15. dxe4 d5 16. fxe5 Nxe4 17. Nxe4 dxe4 18. Qc2 Rxf1+ 19. Bxf1 Qe7 20. Bd4 Nb5 21. Nf4 Nxd4 22. Rxd4 Bf5 23. Rb4 Bxe5 24. Qb3+ Kh8 25. Qe3 b6 26. Rc4 b5 27. Rc2 Rd8 28. Ne2 Rd3 29. Qf2 Rf3 30. Qe1 e3 31. Bg2 Rf2 32. Rc1 Bxb2 33. Rd1 Qxc5 34. Rd8+ Kg7 35. Re8 Qc2 36. Rxe3 Rxg2+ 37. Kxg2 Bd4 38. Re8 Kf7 39. Rd8 Be4+ 40. Kf1 Qd3 41. Rxd4 Qf3+ 42. Qf2 Qxf2+ 43. Kxf2 Bd5 44. Nc3 Ke6 45. Nxd5 cxd5 46. a4 1-0

[Event "BRA-ch U20"]
[Site "Brasilia"]
[Date "1999.??.??"]
[Round "4"]
[White "Le Masson, Igor"]
[Black "Oliveira, Tiago Batista"]
[Result "1-0"]
[ECO "C84"]
[BlackElo "1845"]
[PlyCount "25"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[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. 0-0 Be7 6. d3 0-0 7. Bxc6 dxc6 8. Nxe5 Bd6 9. Nf3 h6 10. e5 Re8 11. exd6 Qxd6 12. h3 Be6 13. Nc3 1-0

[Event "Rio de Janeiro op"]
[Site "Rio de Janeiro"]
[Date "1998.??.??"]
[Round "1"]
[White "Belmonte, Diego Mariano"]
[Black "Le Masson, Igor"]
[Result "0-1"]
[ECO "D53"]
[WhiteElo "2200"]
[PlyCount "85"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. cxd5 Nxd5 6. Bxe7 Qxe7 7. Nf3 Nd7 8. e4 Nxc3 9. bxc3 c5 10. Qd2 b6 11. Bd3 Bb7 12. 0-0 0-0 13. Rfe1 cxd4 14. cxd4 Nf6 15. Rad1 Rad8 16. Qf4 g6 17. h3 Kg7 18. Bb1 Nh5 19. Qe3 Qf6 20. g4 Nf4 21. g5 Nxh3+ 22. Kg2 Nxg5 23. Qxg5 Qxg5+ 24. Nxg5 h6 25. Nf3 Rc8 26. Re3 Rfd8 27. Kg3 Rc7 28. Ra3 a6 29. Kf4 f6 30. Ke3 h5 31. e5 Bxf3 32. exf6+ Kxf6 33. Kxf3 a5 34. Rb3 g5 35. Rxb6 Rc3+ 36. Kg2 h4 37. d5 h3+ 38. Kh2 g4 39. Rxe6+ Kg5 40. d6 Rf3 41. Rd2 Kh4 42. Rh6+ Kg5 43. Rg6+ 0-1

[Event "Rio de Janeiro op"]
[Site "Rio de Janeiro"]
[Date "1998.??.??"]
[Round "4"]
[White "Blanco Acevedo, Cristobal Jose"]
[Black "Le Masson, Igor"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "2180"]
[PlyCount "73"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[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 Nc6 6. Be2 a6 7. 0-0 g6 8. Be3 Bg7 9. Nxc6 bxc6 10. e5 dxe5 11. Qxd8+ Kxd8 12. Bb6+ Ke8 13. Rfd1 Nd7 14. Ba5 f5 15. Bc4 Bf6 16. Na4 Kf8 17. Be6 Ra7 18. Rd2 Kg7 19. Rad1 Nb8 20. Nc5 Bxe6 21. Nxe6+ Kf7 22. Nc5 e4 23. Rd8 Rxd8 24. Rxd8 Be5 25. Bb6 Ra8 26. a4 e6 27. a5 Bf6 28. Rc8 Be5 29. b4 Ke7 30. Kf1 Bc3 31. Bd8+ Kf7 32. Nd7 Nxd7 33. Rxa8 Bxb4 34. Rxa6 Ke8 35. Ra8 Kf7 36. a6 Bc5 37. Rc8 1-0

[Event "Rio de Janeiro op"]
[Site "Rio de Janeiro"]
[Date "1998.??.??"]
[Round "2"]
[White "Capuano Neto, Fausto"]
[Black "Le Masson, Igor"]
[Result "1-0"]
[ECO "C68"]
[PlyCount "45"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[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. Bxc6 dxc6 5. Nc3 f6 6. d4 exd4 7. Nxd4 Bb4 8. 0-0 Qe7 9. Re1 Bd7 10. Nf5 Qf7 11. Qd4 Ba5 12. Be3 Ne7 13. b4 Bb6 14. Qxb6 cxb6 15. Nd6+ Kf8 16. Nxf7 Kxf7 17. Bxb6 Nc8 18. Bc7 Ne7 19. Na4 Ng6 20. Nb6 Rae8 21. Nxd7 Re7 22. Rad1 Ke8 23. e5 1-0

[Event "Rio de Janeiro op"]
[Site "Rio de Janeiro"]
[Date "1998.??.??"]
[Round "7"]
[White "Le Masson, Igor"]
[Black "Gedeon, Christiane"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "53"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Bg4 5. Be2 Nf6 6. 0-0 e6 7. d4 c6 8. h3 Bh5 9. a3 h6 10. Bf4 Nbd7 11. Rb1 Nd5 12. Nxd5 cxd5 13. Bd3 f5 14. Re1 Qb6 15. Bxf5 Bf7 16. Qe2 Ke7 17. c4 Kf6 18. Bd3 Re8 19. c5 Qc6 20. b4 Bg6 21. Be5+ Kf7 22. Bb5 Qc8 23. Rbc1 a6 24. Ba4 Be7 25. Bg3 Bd8 26. Bxd7 Qxd7 27. Ne5+ 1-0

[Event "Rio de Janeiro op"]
[Site "Rio de Janeiro"]
[Date "1998.??.??"]
[Round "3"]
[White "Le Masson, Igor"]
[Black "Larrea, Manuel"]
[Result "0-1"]
[ECO "E83"]
[BlackElo "2190"]
[PlyCount "48"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 Nf6 2. c4 g6 3. Nc3 Bg7 4. d4 d6 5. f3 0-0 6. Be3 Nc6 7. d5 Ne5 8. Qc2 a6 9. Nge2 Nxc4 10. Bf2 c5 11. Nf4 Ne5 12. a4 Bd7 13. Be2 b5 14. axb5 axb5 15. 0-0 b4 16. Na4 Qb8 17. b3 Bxa4 18. Rxa4 Rxa4 19. bxa4 b3 20. Qb2 Nxe4 21. Qa3 Nxf2 22. Kxf2 c4 23. a5 Qa7+ 24. Kg3 Ra8 0-1

[Event "Rio de Janeiro op"]
[Site "Rio de Janeiro"]
[Date "1998.??.??"]
[Round "5"]
[White "Le Masson, Igor"]
[Black "Socko, Monika"]
[Result "0-1"]
[ECO "C05"]
[BlackElo "2320"]
[PlyCount "48"]
[EventDate "1998.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nf6 4. e5 Nfd7 5. Ngf3 c5 6. c3 Nc6 7. Be2 Qb6 8. Qb3 Qc7 9. 0-0 f6 10. exf6 Nxf6 11. Re1 Bd6 12. Qc2 0-0 13. Bd1 Bd7 14. h3 Rae8 15. dxc5 Bxc5 16. c4 Nb4 17. Qc3 Qb6 18. Rf1 Ne4 19. Nxe4 dxe4 20. Ne5 Bxf2+ 21. Kh1 Bd4 22. Rxf8+ Rxf8 23. c5 Bxc3 24. cxb6 Bxe5 0-1

