[Event "Potiguar-ch"]
[Site "Natal"]
[Date "2014.08.24"]
[Round "9"]
[White "De Macedo, Luiz Soares"]
[Black "De Carvalho, Matheus Leao"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1652"]
[BlackElo "1797"]
[PlyCount "70"]
[EventDate "2014.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. d4 g6 2. c4 Bg7 3. Nc3 Nf6 4. Nf3 0-0 5. Bg5 d6 6. Rc1 Nbd7 7. e3 c5 8. d5 Re8 9. Bd3 Qb6 10. b3 e5 11. dxe6 Rxe6 12. 0-0 h6 13. Bf4 g5 14. Bg3 Nh5 15. Nxg5 Nxg3 16. Nxe6 Nxf1 17. Nxg7 Kxg7 18. Bxf1 Ne5 19. Nd5 Qd8 20. Be2 Qg5 21. f4 Qg6 22. fxe5 Bh3 23. Bf3 dxe5 24. e4 f5 25. Ne7 Qg5 26. Nxf5+ Bxf5 27. exf5 Rd8 28. Qc2 Qe3+ 29. Kf1 Rd2 30. Qxd2 Qxd2 31. Rd1 Qxa2 32. Rd7+ Kf6 33. Ke1 Kxf5 34. h4 Kf4 35. Rf7+ Ke3 0-1

[Event "Potiguar-ch"]
[Site "Natal"]
[Date "2014.08.23"]
[Round "7"]
[White "De Carvalho, Matheus Leao"]
[Black "Carneiro, Jose Gildivan"]
[Result "0-1"]
[ECO "C37"]
[WhiteElo "1797"]
[BlackElo "1639"]
[PlyCount "82"]
[EventDate "2014.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 e5 2. f4 exf4 3. Nf3 g5 4. h3 Nh6 5. d4 d6 6. Bd3 Nc6 7. Bd2 Bg7 8. d5 Ne5 9. Nxe5 Bxe5 10. c3 Qf6 11. Rf1 Bd7 12. g4 Ng8 13. Na3 a6 14. Qf3 Qh6 15. 0-0-0 Qh4 16. Be1 Qh6 17. Kb1 Qg6 18. Rg1 h5 19. Nc4 hxg4 20. hxg4 f6 21. Nxe5 fxe5 22. Rh1 Rxh1 23. Qxh1 Bxg4 24. Rc1 0-0-0 25. Qg2 Qh5 26. Qf2 Kb8 27. Qc2 Nf6 28. Qb3 Be2 29. Bc2 Qf3 30. Qb4 Rh8 31. Ba4 Qxe4+ 32. Ka1 Qxb4 33. cxb4 Nxd5 34. Bb3 Ne3 35. Bf2 Rh3 36. a3 Rf3 37. Bxe3 Rxe3 38. Bd5 f3 39. Bxf3 Rxf3 40. Rc3 Rxc3 41. bxc3 g4 0-1

[Event "Potiguar-ch"]
[Site "Natal"]
[Date "2014.08.22"]
[Round "6"]
[White "De Carvalho, Matheus Leao"]
[Black "Do Nascimento, Denner Leonardo O"]
[Result "1-0"]
[ECO "C30"]
[WhiteElo "1797"]
[BlackElo "1800"]
[PlyCount "29"]
[EventDate "2014.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 d6 2. f4 e5 3. f5 d5 4. exd5 Bxf5 5. Nf3 Qxd5 6. Qe2 Nc6 7. Nc3 Qe6 8. Qb5 0-0-0 9. Bc4 Qd7 10. 0-0 Be6 11. Bxe6 Qxe6 12. Ng5 Nd4 13. Nxe6 Nxb5 14. Nxd8 Nxc3 15. Nxf7 1-0

[Event "Potiguar-ch"]
[Site "Natal"]
[Date "2014.08.17"]
[Round "5"]
[White "Almeida, Elon Mafra de Carva"]
[Black "De Carvalho, Matheus Leao"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1734"]
[BlackElo "1797"]
[PlyCount "50"]
[EventDate "2014.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. d4 g6 2. e3 Bg7 3. Nf3 Nf6 4. Nc3 0-0 5. Bd3 d6 6. 0-0 Nbd7 7. Re1 Re8 8. e4 c6 9. e5 dxe5 10. dxe5 Nd5 11. Nxd5 cxd5 12. Bf4 e6 13. h4 h5 14. c3 a6 15. Qc2 Nc5 16. Bg5 Qc7 17. g3 Nxd3 18. Qxd3 Qc4 19. Qe3 Bf8 20. Bh6 Bc5 21. Qg5 Be7 22. Qe3 Qc5 23. Qf4 Qb5 24. Ng5 Rf8 25. Bxf8 Bxg5 1-0

[Event "Potiguar-ch"]
[Site "Natal"]
[Date "2014.08.17"]
[Round "4"]
[White "Da Silva Jr, Ivonaldo Silvestre"]
[Black "De Carvalho, Matheus Leao"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1583"]
[BlackElo "1797"]
[PlyCount "57"]
[EventDate "2014.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 Nf6 5. Be2 0-0 6. 0-0 Nbd7 7. Bg5 Re8 8. Qd2 c6 9. Rfe1 Nf8 10. h3 Ne6 11. Be3 Qc7 12. Rad1 Bd7 13. Ng5 Nf8 14. Qc1 Rac8 15. Bf4 e5 16. dxe5 dxe5 17. Be3 h5 18. Bc4 Re7 19. Bc5 Be8 20. Bxe7 Qxe7 21. Qd2 Bh6 22. f4 exf4 23. Qxf4 Qc5+ 24. Kh1 Qxc4 25. Qxf6 Nd7 26. Rxd7 Bxd7 27. b3 Bg7 28. Qxg7+ Kxg7 29. bxc4 1-0

[Event "Potiguar-ch"]
[Site "Natal"]
[Date "2014.08.16"]
[Round "3"]
[White "De Carvalho, Matheus Leao"]
[Black "Caldas, Danilo Raposo Freir"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1797"]
[BlackElo "1598"]
[PlyCount "52"]
[EventDate "2014.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 c5 2. f4 d6 3. Nf3 Nf6 4. Nc3 e6 5. Bc4 a6 6. a4 Be7 7. e5 dxe5 8. fxe5 Nd5 9. Ne4 Nc6 10. c3 Na5 11. Ba2 Nf4 12. 0-0 Nd3 13. Bb1 c4 14. Bxd3 Qxd3 15. Nfg5 Bxg5 16. Nxg5 0-0 17. Qf3 Qg6 18. Ne4 Bd7 19. Re1 Bc6 20. Qg3 Bxe4 21. Qxg6 Bxg6 22. b4 cxb3 23. Ba3 Rfd8 24. Bb4 Nc4 25. Rab1 Bxb1 26. Rxb1 Nxd2 0-1

[Event "Potiguar-ch"]
[Site "Natal"]
[Date "2014.08.16"]
[Round "2"]
[White "Silva, Carolina Alves"]
[Black "De Carvalho, Matheus Leao"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "1713"]
[BlackElo "1797"]
[PlyCount "50"]
[EventDate "2014.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. f4 d6 4. Nf3 Nf6 5. Nc3 0-0 6. Be2 Nbd7 7. 0-0 c6 8. Kh1 Re8 9. e5 dxe5 10. fxe5 Ng4 11. Ng5 f5 12. Bc4+ e6 13. Bxe6+ Rxe6 14. Nxe6 Qh4 15. Bf4 Nf2+ 16. Rxf2 Qxf2 17. Bg3 Qe3 18. Qf1 b5 19. Bf4 Qxc3 20. bxc3 a5 21. Nc7 Ra7 22. e6 Nf6 23. e7 Bd7 24. Qe1 Ne8 25. Nxe8 Bxe8 1-0

[Event "Potiguar-ch"]
[Site "Natal"]
[Date "2014.08.15"]
[Round "1"]
[White "De Carvalho, Matheus Leao"]
[Black "Oliveira Jr, Antonio Fernandes"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1797"]
[BlackElo "1848"]
[PlyCount "45"]
[EventDate "2014.08.15"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. Bc4 Nc6 4. 0-0 Bg7 5. d3 d6 6. Nc3 Nf6 7. Bg5 0-0 8. d4 cxd4 9. Nxd4 Qa5 10. Bd2 Nxd4 11. Nb5 Qb6 12. Be3 Nxe4 13. Bxd4 Bxd4 14. Qxd4 Qxd4 15. Nxd4 Nd2 16. Bd3 Nxf1 17. Kxf1 a6 18. Re1 Re8 19. Ne2 e5 20. f4 e4 21. Bc4 Be6 22. Bxe6 Rxe6 23. Nd4 0-1

[Event "Natal CBX zt"]
[Site "Natal"]
[Date "2014.02.23"]
[Round "5"]
[White "Da Silva, Maria Gabriele"]
[Black "De Carvalho, Matheus Leao"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "1770"]
[BlackElo "1826"]
[PlyCount "60"]
[EventDate "2014.02.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. e4 d6 6. e5 dxe5 7. dxe5 Qxd1+ 8. Nxd1 Ng4 9. Bf4 Nc6 10. Be2 Ngxe5 11. Bxe5 Nxe5 12. Nxe5 Bxe5 13. Rb1 Bf5 14. Rc1 Be4 15. 0-0 Rad8 16. f3 Bd4+ 17. Kh1 Bf5 18. c5 c6 19. a4 Rd5 20. b4 a5 21. Bc4 Re5 22. f4 Re4 23. Bd3 Be3 24. Bxe4 Bxc1 25. Bxf5 gxf5 26. Nf2 Bxf4 27. bxa5 Ra8 28. Nd3 Be3 29. Rxf5 Rd8 30. Nf2 Bxf2 0-1

[Event "Natal CBX zt"]
[Site "Natal"]
[Date "2014.02.22"]
[Round "4"]
[White "Da Silva, Kemmely Yasmin"]
[Black "De Carvalho, Matheus Leao"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1754"]
[BlackElo "1826"]
[PlyCount "75"]
[EventDate "2014.02.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Bd3 g6 4. Nc3 Bg7 5. Nf3 Bg4 6. h3 Bxf3 7. Qxf3 c6 8. Bg5 0-0 9. 0-0 Nbd7 10. Qe3 Re8 11. f4 Qb6 12. Rab1 Nh5 13. e5 dxe5 14. fxe5 e6 15. g4 Ng3 16. Qxg3 Qxd4+ 17. Be3 Qxe5 18. Qf3 Rf8 19. Rbe1 Qf6 20. Qxf6 Nxf6 21. Bd4 Rad8 22. Bxf6 Bxf6 23. Rxf6 Kg7 24. Ref1 Rd7 25. Ne4 h6 26. Nc5 Re7 27. Bxg6 b6 28. Ne4 Rd7 29. Ng3 Kg8 30. Bd3 b5 31. Rxh6 Kg7 32. Rhf6 Rxd3 33. cxd3 a5 34. Nh5+ Kg8 35. g5 Rd8 36. g6 fxg6 37. Rxg6+ Kh7 38. Rg7+ 1-0

[Event "Natal CBX zt"]
[Site "Natal"]
[Date "2014.02.22"]
[Round "2"]
[White "De Carvalho, Matheus Leao"]
[Black "Da Silva, Daniele Benicio"]
[Result "0-1"]
[ECO "C30"]
[WhiteElo "1826"]
[BlackElo "1691"]
[PlyCount "96"]
[EventDate "2014.02.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. e4 e5 2. f4 d6 3. Nf3 Bg4 4. Nc3 c6 5. Be2 exf4 6. d4 Bxf3 7. Bxf3 Qh4+ 8. Ke2 Nf6 9. Qe1 Qxe1+ 10. Rxe1 g5 11. e5 dxe5 12. dxe5 Nfd7 13. Ne4 h6 14. Nf6+ Ke7 15. Nxd7 Nxd7 16. b3 Nxe5 17. Bb2 Bg7 18. Kf1 f6 19. Bxe5 fxe5 20. Re2 Kf6 21. Bh5 Rad8 22. Rae1 Ke7 23. Kg1 Bf6 24. h3 Rd6 25. Kf2 Rhd8 26. Kf3 Rd2 27. Kf2 Rxe2+ 28. Rxe2 b6 29. Bf3 c5 30. a4 Rd4 31. Ke1 c4 32. c3 Rd3 33. bxc4 Rxc3 34. Re4 Kd6 35. Kd2 Rb3 36. Kc2 Rb4 37. Kc3 Kc5 38. Bd1 a6 39. Bb3 h5 40. Re1 e4+ 41. Kc2 e3 42. g3 Bd4 43. gxf4 gxf4 44. h4 f3 45. Rg1 e2 46. Rg5+ Kd6 47. Kd2 Bc3+ 48. Kxc3 e1Q+ 0-1

[Event "Natal CBX zt"]
[Site "Natal"]
[Date "2014.02.22"]
[Round "3"]
[White "De Carvalho, Matheus Leao"]
[Black "Da Silva, Thayna Felix"]
[Result "1/2-1/2"]
[ECO "C25"]
[WhiteElo "1826"]
[BlackElo "1751"]
[PlyCount "127"]
[EventDate "2014.02.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. e4 e5 2. f4 d6 3. Nf3 Bg4 4. Nc3 Nc6 5. Bb5 Nge7 6. 0-0 a6 7. Bxc6+ Nxc6 8. d3 Nd4 9. fxe5 dxe5 10. Be3 Nxf3+ 11. Rxf3 Bxf3 12. Qxf3 Qf6 13. Qe2 Qc6 14. Rf1 Bc5 15. Qf2 Bxe3 16. Qxe3 Qb6 17. Qxb6 cxb6 18. Nd5 Rc8 19. c4 b5 20. cxb5 axb5 21. Ne3 0-0 22. Nf5 Rc2 23. Rb1 Ra8 24. a3 Rd8 25. Rd1 Rxb2 26. d4 exd4 27. Rxd4 Rxd4 28. Nxd4 Ra2 29. Nxb5 f6 30. Kf1 h6 31. h3 Kh7 32. Kg1 Re2 33. Nd6 Re3 34. a4 Ra3 35. a5 Rxa5 36. Nxb7 Ra2 37. Kh2 Re2 38. Nc5 Kg6 39. Kg3 h5 40. h4 f5 41. Kf3 Rc2 42. exf5+ Kxf5 43. Ne4 Rb2 44. Ng3+ Kg6 45. Ne4 Kf5 46. Ng3+ Kg6 47. Ne4 Rb1 48. g3 Kf5 49. Nd6+ Ke6 50. Ne4 Rb3+ 51. Kf4 Rb4 52. Kf3 Ke5 53. Nf2 Rb3+ 54. Kg2 Kf5 55. Kh3 Rf3 56. Kg2 Ra3 57. Kh2 g5 58. hxg5 Kxg5 59. Kh3 h4 60. Ne4+ Kh5 61. Nf6+ Kg5 62. Ne4+ Kf5 63. Nd6+ Kg5 64. Ne4+ 1/2-1/2

[Event "Natal CBX zt"]
[Site "Natal"]
[Date "2014.02.21"]
[Round "1"]
[White "Jordao Barbosa, Marcio Ferre"]
[Black "De Carvalho, Matheus Leao"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1957"]
[BlackElo "1826"]
[PlyCount "67"]
[EventDate "2014.02.21"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 159 Extra"]
[Source "ChessBase"]
[SourceDate "2014.04.24"]
[SourceVersion "1"]
[SourceVersionDate "2014.04.24"]
[SourceQuality "1"]

1. e4 d6 2. Nf3 Nf6 3. Nc3 Bg4 4. d4 g6 5. Bc4 Bg7 6. h3 Bxf3 7. Qxf3 0-0 8. e5 dxe5 9. dxe5 Ne8 10. Qxb7 Nd7 11. e6 Nc5 12. exf7+ Kh8 13. fxe8Q Rxe8 14. Qd5 Bxc3+ 15. bxc3 Qxd5 16. Bxd5 Rad8 17. Bc4 Ne4 18. 0-0 Nxc3 19. Bb2 e5 20. Bxc3 Rd6 21. Rfe1 Kg7 22. Rxe5 Rxe5 23. Bxe5+ Kf8 24. Bxd6+ cxd6 25. Rb1 a5 26. Rb7 Ke8 27. Kf1 Kd8 28. Ke2 Kc8 29. Rxh7 a4 30. Kd3 a3 31. Kd4 Kd8 32. Kd5 g5 33. Kxd6 Ke8 34. Rh8# 1-0

[Event "Potiguar-ch"]
[Site "Natal"]
[Date "2013.10.06"]
[Round "9"]
[White "Da Silva, Maria Gabriele"]
[Black "De Carvalho, Matheus Leao"]
[Result "1-0"]
[ECO "A49"]
[WhiteElo "1875"]
[BlackElo "1793"]
[PlyCount "113"]
[EventDate "2013.09.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 c6 7. h3 Be6 8. e4 Qc8 9. Ng5 Rd8 10. Nxe6 Qxe6 11. d5 cxd5 12. exd5 Qc8 13. Bg5 Nbd7 14. Bxf6 Nxf6 15. Qe1 Qd7 16. a4 Rab8 17. Nb5 a6 18. Nd4 Nxd5 19. c3 Nf6 20. b4 b5 21. Nc6 e6 22. Nxd8 Rxd8 23. axb5 axb5 24. Ra8 d5 25. Rxd8+ Qxd8 26. Qe3 Ne4 27. Bxe4 dxe4 28. Qxe4 Bxc3 29. Qc6 Bxb4 30. Qxb5 Bf8 31. h4 Qd5 32. Qe2 h5 33. Rd1 Qb7 34. Kh2 Qe7 35. f3 Kg7 36. Qe5+ Qf6 37. Qe3 Qf5 38. Rg1 Qc2+ 39. Rg2 Qf5 40. g4 hxg4 41. Rxg4 Bd6+ 42. Kh3 Qe5 43. Qxe5+ Bxe5 44. f4 Bb8 45. h5 Bd6 46. Kh4 Be7+ 47. Kg3 Kh6 48. hxg6 fxg6 49. Kf3 Bf6 50. Kg3 e5 51. fxe5 Bxe5+ 52. Kh3 g5 53. Re4 Bf6 54. Kg4 Kg6 55. Re6 Kf7 56. Kf5 Kg7 57. Rxf6 1-0

[Event "Potiguar-ch"]
[Site "Natal"]
[Date "2013.10.05"]
[Round "8"]
[White "De Carvalho, Matheus Leao"]
[Black "Da Silva, Talison Diego Ribei"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "1793"]
[BlackElo "1800"]
[PlyCount "75"]
[EventDate "2013.09.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d6 3. Bg2 g6 4. 0-0 Bg7 5. d3 0-0 6. Bf4 e5 7. Bg5 Nbd7 8. Qc1 h6 9. Bxh6 Bxh6 10. Qxh6 Ng4 11. Qh4 Qxh4 12. Nxh4 Kg7 13. c3 Rh8 14. Nd2 g5 15. Nhf3 b6 16. Ne4 f6 17. Ned2 Bb7 18. Rfe1 d5 19. e4 Nc5 20. Bf1 c6 21. b4 Na4 22. Rac1 a5 23. Rc2 b5 24. bxa5 Rxa5 25. Nb3 Raa8 26. Bg2 Rh7 27. Nbd2 Rah8 28. Nf1 Ba6 29. exd5 cxd5 30. Rb1 b4 31. c4 Nc3 32. Rxb4 d4 33. Rb6 Bc8 34. c5 e4 35. dxe4 Kg6 36. e5 Ra7 37. exf6 Nxf6 38. Nxd4 1-0

[Event "Potiguar-ch"]
[Site "Natal"]
[Date "2013.10.05"]
[Round "7"]
[White "De Carvalho, Matheus Leao"]
[Black "Oliveira, Gabriel Betanio"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "1793"]
[BlackElo "1825"]
[PlyCount "59"]
[EventDate "2013.09.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. 0-0 Bg4 5. d3 Nf6 6. Bg5 e6 7. Nbd2 h6 8. Bxf6 Qxf6 9. Rb1 Bd6 10. e4 0-0 11. Qc1 d4 12. c3 e5 13. Nc4 Bxf3 14. Bxf3 Qxf3 15. Nxd6 Rab8 16. Qd2 Ne7 17. cxd4 exd4 18. Rfe1 f5 19. Qe2 Qxe2 20. Rxe2 f4 21. Rf1 f3 22. Rc2 b6 23. Rc4 Ng6 24. Ra4 a5 25. Re1 Ne5 26. b4 Nxd3 27. Rb1 Nxb4 28. e5 Rbd8 29. a3 Nd5 30. Rb3 0-1

[Event "Potiguar-ch"]
[Site "Natal"]
[Date "2013.10.04"]
[Round "6.18"]
[White "Silva, Carolina Alves"]
[Black "De Carvalho, Matheus Leao"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1730"]
[BlackElo "1793"]
[PlyCount "95"]
[EventDate "2013.09.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. Nf3 0-0 6. Qd2 Re8 7. 0-0-0 Bg4 8. h3 Bxf3 9. gxf3 Nbd7 10. Bh6 Bh8 11. f4 e6 12. f5 c5 13. fxg6 hxg6 14. f4 cxd4 15. Nb5 Nxe4 16. Qg2 Qh4 17. Qxe4 Qxh6 18. Nxd6 Red8 19. Nc4 e5 20. Kb1 Rab8 21. fxe5 Re8 22. Qxd4 b5 23. Nd6 Bxe5 24. Nxf7 Bxd4 25. Nxh6+ Kg7 26. Ng4 Nf6 27. Bxb5 Rxb5 28. Rxd4 Nxg4 29. hxg4 Rbe5 30. Rhd1 Re1 31. b3 Rxd1+ 32. Rxd1 Re7 33. g5 Kf7 34. c4 a5 35. Rd5 Ra7 36. Kb2 Ke6 37. Kc3 a4 38. b4 a3 39. b5 Rd7 40. Rxd7 Kxd7 41. c5 Kc7 42. Kc4 Kb7 43. c6+ Kb6 44. Kd5 Kc7 45. b6+ Kxb6 46. Kd6 Kb5 47. c7 Kb4 48. c8Q 1-0

[Event "Potiguar-ch"]
[Site "Natal"]
[Date "2013.09.29"]
[Round "4"]
[White "De Carvalho, Matheus Leao"]
[Black "Martins, Rosangela"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "1793"]
[BlackElo "1841"]
[PlyCount "68"]
[EventDate "2013.09.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. Nf3 Nc6 2. g3 e5 3. d3 Nf6 4. Bg2 Bc5 5. Bg5 h6 6. Bxf6 Qxf6 7. c3 d6 8. 0-0 0-0 9. Nbd2 Bg4 10. b4 Bb6 11. Nc4 Qe6 12. Re1 Bh3 13. Bh1 f5 14. Nxb6 axb6 15. c4 f4 16. Nh4 fxg3 17. hxg3 Qf6 18. Nf3 Nd4 19. Kh2 Bg4 20. Bg2 Bxf3 21. exf3 Nxf3+ 22. Qxf3 Qxf3 23. Bxf3 Rxf3 24. Kg2 Rxd3 25. Re3 Rda3 26. Rxa3 Rxa3 27. c5 bxc5 28. bxc5 Ra5 29. cxd6 cxd6 30. Rb1 b5 31. Rd1 Ra6 32. Rd2 Kf7 33. Rb2 Ke6 34. Rxb5 Rxa2 0-1

[Event "Potiguar-ch"]
[Site "Natal"]
[Date "2013.09.29"]
[Round "5"]
[White "De Melo, Beatriz Cristina Ol"]
[Black "De Carvalho, Matheus Leao"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1804"]
[BlackElo "1793"]
[PlyCount "152"]
[EventDate "2013.09.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 d6 2. f4 Nf6 3. Nc3 g6 4. Bc4 Bg4 5. Nf3 Bg7 6. d3 0-0 7. 0-0 c6 8. h3 Bxf3 9. Qxf3 Nbd7 10. f5 Ne5 11. Qf4 Nh5 12. Qf2 Nxc4 13. dxc4 Qb6 14. Qxb6 axb6 15. g4 Bd4+ 16. Kg2 Nf6 17. Bh6 Rfe8 18. Rfe1 Bxc3 19. bxc3 Ra4 20. Kf3 Rxc4 21. Bd2 e6 22. Rab1 exf5 23. exf5 Rxe1 24. Bxe1 b5 25. Rb4 Nd5 26. Rxc4 bxc4 27. fxg6 fxg6 28. Ke4 b5 29. Bd2 Kg7 30. h4 h6 31. Kd4 h5 32. g5 Kf7 33. Ke4 Ke6 34. Be1 c5 35. a3 Nb6 36. Bd2 Na4 37. Be1 Nb6 38. Ke3 d5 39. Kd2 d4 40. Bf2 Na4 41. cxd4 Kd5 42. dxc5 Nxc5 43. Bxc5 Kxc5 44. Kc3 Kd5 45. Kb4 Kc6 46. Kc3 Kb6 47. Kd4 Ka5 48. Ke5 Ka4 49. Kf6 Kxa3 50. Kxg6 b4 51. Kh7 b3 52. g6 bxc2 53. g7 c1Q 54. g8Q Qc2+ 55. Kh6 c3 56. Kxh5 Qf5+ 57. Kh6 Qf6+ 58. Kh5 Kb2 59. Qg2+ c2 60. Qd2 Qh8+ 61. Kg4 Qg7+ 62. Kh5 Qc3 63. Qf2 Kb1 64. Qf5 Qb2 65. Kg5 Qc1+ 66. Kg4 Qd1+ 67. Kg3 Qg1+ 68. Kh3 Qh1+ 69. Kg3 Qe1+ 70. Kh3 Qc3+ 71. Kg2 Kb2 72. Qf2 Qb4 73. Kg3 Kb3 74. Qf7+ Qc4 75. Qxc4+ Kxc4 76. h5 c1Q 0-1

[Event "Potiguar-ch"]
[Site "Natal"]
[Date "2013.09.28"]
[Round "2"]
[White "De Carvalho, Matheus Leao"]
[Black "Guedes Filho, Ricardo da Camara"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "1793"]
[BlackElo "1800"]
[PlyCount "77"]
[EventDate "2013.09.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 4. 0-0 Nc6 5. d3 e5 6. Bg5 Qb6 7. Bxf6 Qxb2 8. Nbd2 gxf6 9. Nh4 Be6 10. Nb3 b6 11. c4 Ne7 12. cxd5 Bxd5 13. Nf3 Rd8 14. Qc1 Qxe2 15. Qd1 Bxf3 16. Bxf3 Qxd3 17. Qxd3 Rxd3 18. Be4 Rd6 19. Rad1 Nc8 20. Rd2 Bh6 21. Rd5 Rxd5 22. Bxd5 Ke7 23. Rd1 Rd8 24. a4 Nd6 25. a5 Ne4 26. Re1 Nxf2 27. Kxf2 Rxd5 28. a6 c4 29. Nc1 c3 30. Nb3 Rd2+ 31. Nxd2 Bxd2 32. Ke2 Kd7 33. Rf1 Ke6 34. Kd1 Kd5 35. Rxf6 Bg5 36. Rxf7 c2+ 37. Kxc2 Kc4 38. Rxa7 Bd8 39. Rxh7 1-0

[Event "Potiguar-ch"]
[Site "Natal"]
[Date "2013.09.28"]
[Round "3.12"]
[White "Gomes da Silva, Tales"]
[Black "De Carvalho, Matheus Leao"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1822"]
[BlackElo "1793"]
[PlyCount "85"]
[EventDate "2013.09.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 d6 2. Nf3 Nf6 3. Nc3 g6 4. d4 Bg7 5. Be2 0-0 6. 0-0 Bg4 7. h3 Bxf3 8. Bxf3 Nbd7 9. Bg5 Rb8 10. Qe2 c5 11. e5 dxe5 12. dxe5 Ne8 13. e6 fxe6 14. Qxe6+ Kh8 15. Bxe7 Nc7 16. Qd6 Be5 17. Bxd8 Bxd6 18. Bxc7 Bxc7 19. Nd5 Be5 20. Rab1 Rfe8 21. c4 b5 22. b3 bxc4 23. bxc4 Rxb1 24. Rxb1 Nb6 25. Nxb6 axb6 26. Rxb6 Bb8 27. Rb1 Bc7 28. a4 Ba5 29. Bc6 Re6 30. Bb5 Re1+ 31. Rxe1 Bxe1 32. Kf1 Ba5 33. f4 Bc7 34. g3 h5 35. Kf2 Kg7 36. h4 Kf6 37. Kf3 Kf5 38. Bd7+ Kf6 39. Ke4 Ke7 40. Bb5 Kd6 41. Be8 Ke6 42. Bxg6 Ba5 43. Bxh5 1-0

[Event "Potiguar-ch"]
[Site "Natal"]
[Date "2013.09.27"]
[Round "1.12"]
[White "De Lima, Alan Silva"]
[Black "De Carvalho, Matheus Leao"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "1936"]
[BlackElo "1793"]
[PlyCount "79"]
[EventDate "2013.09.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Qb3 0-0 5. Bxb7 Bxb7 6. Qxb7 Nc6 7. Qb3 Rb8 8. Qd1 Rb7 9. Nf3 d6 10. d4 e6 11. 0-0 Qa8 12. Nc3 Nd7 13. a3 Ne7 14. b4 c6 15. Qc2 c5 16. dxc5 dxc5 17. b5 Ne5 18. Nxe5 Bxe5 19. Bb2 Bg7 20. Ne4 Nf5 21. Bxg7 Kxg7 22. Nxc5 Rc7 23. Na6 Rcc8 24. c5 Nd4 25. Qc3 f6 26. Qb2 Nf5 27. c6 Ne7 28. Nc5 Kf7 29. Qa2 Nd5 30. e4 Nc7 31. a4 h5 32. f4 Rce8 33. Nd7 Rh8 34. f5 gxf5 35. Rxf5 Ke7 36. Rxf6 Rhg8 37. Qa3+ Kd8 38. Qd6 h4 39. b6 axb6 40. Nxb6# 1-0

