[Event "Sao Paulo-chT"]
[Site "Sao Paulo"]
[Date "2019.03.10"]
[Round "7.1"]
[White "Santos, Marcus Vinicius M"]
[Black "De Sousa, Matheus Mazim"]
[Result "1-0"]
[ECO "D48"]
[WhiteElo "2354"]
[BlackElo "2126"]
[PlyCount "77"]
[EventDate "2019.02.23"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]
[WhiteTeam "Hebraica"]
[BlackTeam "Espaco Xadrez Total"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Nf3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. a4 b4 10. Ne4 c5 11. Nxf6+ Nxf6 12. dxc5 Bxc5 13. 0-0 0-0 14. Qe2 Qe7 15. e4 e5 16. h3 h6 17. Nh4 Rd8 18. Bc4 Bb7 19. Nf5 Qc7 20. Bxh6 Bf8 21. Bg5 Qc6 22. f3 Qb6+ 23. Kh2 Bc8 24. a5 Qc7 25. Bxf6 gxf6 26. Ne3 Be6 27. Bd5 Ra7 28. Rfc1 Qe7 29. Rd1 Qc7 30. Rdc1 Qe7 31. Rc6 Rd6 32. Rb6 Bh6 33. Rd1 Bf8 34. Bxe6 Rxe6 35. Nd5 Qc5 36. Nxf6+ Kg7 37. Rxe6 fxe6 38. Nd7 Qxa5 39. Qe3 1-0

[Event "Sao Paulo-chT"]
[Site "Sao Paulo"]
[Date "2019.03.09"]
[Round "6.1"]
[White "De Sousa, Matheus Mazim"]
[Black "Miquelin, Nicolas Seoane"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "2126"]
[BlackElo "2046"]
[PlyCount "102"]
[EventDate "2019.02.23"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]
[WhiteTeam "Espaco Xadrez Total"]
[BlackTeam "PMFC"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 Qxb6 6. Nc3 d6 7. e4 g6 8. Nf3 Bg7 9. h3 0-0 10. Bd3 Nbd7 11. 0-0 a5 12. Rb1 Ba6 13. Bg5 Rfb8 14. b3 Qb4 15. Qc2 Ne8 16. Na4 Bxd3 17. Qxd3 Nb6 18. Nxb6 Rxb6 19. Bxe7 f6 20. e5 fxe5 21. Rfc1 Qf4 22. Bg5 Qf7 23. Nd2 a4 24. Nc4 Rb7 25. bxa4 Rxa4 26. Rxb7 Qxb7 27. Rb1 Qa7 28. a3 Bf8 29. Rc1 Nc7 30. Bd8 Ne8 31. Qd1 Qa6 32. Qg4 Ng7 33. h4 h5 34. Qe4 Kh7 35. Bf6 Nf5 36. g4 hxg4 37. h5 Qc8 38. hxg6+ Kxg6 39. Nxe5+ dxe5 40. Qxa4 Kxf6 41. Qxg4 Qa8 42. Qg8 Qb8 43. Qe6+ Kg5 44. Kh1 Qb3 45. Qg8+ Bg7 46. Rg1+ Kf4 47. Kh2 Qf3 48. Qd8 Qh5+ 49. Kg2 Nh4+ 50. Kh2 Nf3+ 51. Kg2 Qg6+ 0-1

[Event "Sao Paulo-chT"]
[Site "Sao Paulo"]
[Date "2019.02.24"]
[Round "3.2"]
[White "Catozzo, Vinicius Jr"]
[Black "De Sousa, Matheus Mazim"]
[Result "1/2-1/2"]
[ECO "D48"]
[WhiteElo "2078"]
[BlackElo "2126"]
[PlyCount "74"]
[EventDate "2019.02.23"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]
[WhiteTeam "Sao Jose FIP"]
[BlackTeam "Espaco Xadrez Total"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e3 Nf6 5. Bd3 Nbd7 6. Nf3 dxc4 7. Bxc4 b5 8. Bd3 a6 9. e4 b4 10. Na4 c5 11. 0-0 cxd4 12. e5 Nd5 13. Be4 Nc5 14. Nxc5 Bxc5 15. Nxd4 Bb7 16. Nb3 Be7 17. Qf3 0-0 18. Qh3 g6 19. Bh6 Re8 20. Nd2 Qc7 21. Rfe1 Nb6 22. Rac1 Qd7 23. Bxb7 Qxb7 24. Ne4 Nd5 25. Bg5 Bxg5 26. Nxg5 h5 27. Ne4 Rec8 28. Nd6 Rxc1 29. Rxc1 Qb6 30. Qf3 Rf8 31. Rc8 Rxc8 32. Qxf7+ Kh8 33. Nxc8 Qc6 34. Qf8+ Kh7 35. g3 Qc1+ 36. Kg2 Qxb2 37. Qf7+ Kh6 1/2-1/2

[Event "Sao Paulo-chT"]
[Site "Sao Paulo"]
[Date "2019.02.24"]
[Round "4.2"]
[White "De Sousa, Matheus Mazim"]
[Black "Ferreira, Caio Tulio Moreira"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "2126"]
[BlackElo "1548"]
[PlyCount "67"]
[EventDate "2019.02.23"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]
[WhiteTeam "Espaco Xadrez Total"]
[BlackTeam "Sao Jose Medicina"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. d4 Nf6 2. Nf3 g6 3. Bg5 Bg7 4. Nbd2 0-0 5. e4 d6 6. Bc4 Nbd7 7. e5 dxe5 8. dxe5 Ne8 9. e6 fxe6 10. Bxe6+ Kh8 11. 0-0 Bxb2 12. Rb1 Bg7 13. Re1 Nef6 14. Qe2 Nc5 15. Bc4 Bf5 16. Qxe7 Qxe7 17. Rxe7 Bxc2 18. Rc1 Bf5 19. Ne5 h6 20. Nf7+ Rxf7 21. Bxf7 hxg5 22. Rxc5 Bf8 23. Rcxc7 Bxe7 24. Rxe7 Rd8 25. Re2 Bd3 26. Re1 Kg7 27. Bb3 Re8 28. Rc1 Re2 29. Nf1 Ne4 30. f3 Nd6 31. Rd1 Bb5 32. Ng3 Nf5 33. Nxe2 Bxe2 34. Rd7+ 1-0

[Event "Sao Paulo-chT"]
[Site "Sao Paulo"]
[Date "2019.02.23"]
[Round "2.2"]
[White "De Sousa, Matheus Mazim"]
[Black "Marques, Vinicius de Abreu"]
[Result "1/2-1/2"]
[ECO "A32"]
[WhiteElo "2126"]
[BlackElo "2370"]
[PlyCount "97"]
[EventDate "2019.02.23"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 189 Extra"]
[Source "ChessBase"]
[SourceDate "2019.06.03"]
[SourceVersion "1"]
[SourceVersionDate "2019.06.03"]
[SourceQuality "1"]
[WhiteTeam "Espaco Xadrez Total"]
[BlackTeam "Pinheiros"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. d4 Nf6 2. Nf3 c5 3. c4 e6 4. g3 cxd4 5. Nxd4 Nc6 6. Bg2 Qb6 7. Nxc6 dxc6 8. 0-0 e5 9. b3 Be7 10. Bb2 Qc7 11. Qc2 0-0 12. Nd2 Be6 13. Rad1 Rad8 14. Qc3 Nd7 15. f4 f6 16. Kh1 exf4 17. gxf4 Nc5 18. Qg3 Bf5 19. Bc3 Rd7 20. Rg1 Bd6 21. Rdf1 Re7 22. Rf2 Rff7 23. Qh4 Re3 24. Bd4 Qe7 25. Bxe3 Qxe3 26. Nf1 Qd4 27. e3 Qc3 28. Bf3 Ne4 29. Re2 g6 30. Ng3 Nxg3+ 31. Qxg3 Bc5 32. Rge1 Bd3 33. Rg2 f5 34. h4 Rf6 35. h5 Re6 36. hxg6 hxg6 37. Qh4 Be7 38. Qf2 Bc5 39. Qd2 Qxd2 40. Rxd2 Bb4 41. Red1 Bxd2 42. Rxd2 Rxe3 43. Kg2 Be4 44. Rd8+ Kf7 45. Bxe4 Rxe4 46. Kf3 Re7 47. Rd6 Re6 48. Rd7+ Re7 49. Rd6 1/2-1/2

[Event "Paulista-chT"]
[Site "Sao Paulo"]
[Date "2018.02.25"]
[Round "7.1"]
[White "De Sousa, Matheus Mazim"]
[Black "Catozzo, Vinicius Jr"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "2126"]
[BlackElo "2078"]
[PlyCount "79"]
[EventDate "2018.02.17"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]
[WhiteTeam "Xadrez Total"]
[BlackTeam "AAS CDRSJ FIP"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Bd3 Bd6 7. e4 dxc4 8. Bxc4 e5 9. dxe5 Nxe5 10. Nxe5 Bxe5 11. Qxd8+ Kxd8 12. Bxf7 Bxc3+ 13. bxc3 Nxe4 14. 0-0 Bf5 15. f3 Nc5 16. Bg5+ Kc8 17. Rfe1 h6 18. Be7 Nd3 19. Re3 b5 20. g4 Bh7 21. Rd1 Kc7 22. Rexd3 Bxd3 23. Rxd3 Kb6 24. h4 Rac8 25. h5 Rc7 26. Re3 a5 27. Bg6 Ra8 28. Kg2 Rd7 29. Re2 Raa7 30. Bh4 Rab7 31. Bf2+ Ka6 32. Re8 b4 33. c4 Rbc7 34. Ra8+ Kb7 35. Ra7+ Kb8 36. Rxa5 Rd2 37. Kg1 Re7 38. Be4 Re6 39. Ba7+ Kb7 40. Be3 1-0

[Event "Paulista-chT"]
[Site "Sao Paulo"]
[Date "2018.02.24"]
[Round "5.2"]
[White "De Sousa, Matheus Mazim"]
[Black "Dos Reis, Leandro Aparecido C"]
[Result "0-1"]
[ECO "D01"]
[WhiteElo "2126"]
[BlackElo "1992"]
[PlyCount "55"]
[EventDate "2018.02.17"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]
[WhiteTeam "Xadrez Total"]
[BlackTeam "Caetano CDRSJ"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 h6 4. Bh4 e6 5. Qd2 Bb4 6. f3 c5 7. e3 Nc6 8. Nge2 0-0 9. a3 Qa5 10. Bxf6 gxf6 11. 0-0-0 Bxa3 12. bxa3 Qxa3+ 13. Kb1 Na5 14. Nb5 Qa4 15. Nec3 Qb4+ 16. Ka2 a6 17. Na3 Nc6 18. Ncb1 Qa4 19. dxc5 b5 20. cxb6 Rb8 21. c3 Rxb6 22. Qc2 Qa5 23. Nd2 e5 24. e4 Be6 25. Nb3 d4 26. c4 Nb4+ 27. Kb2 Nxc2 28. Nxc2 0-1

[Event "Paulista-chT"]
[Site "Sao Paulo"]
[Date "2018.02.24"]
[Round "6.4"]
[White "Pelikian, Jefferson"]
[Black "De Sousa, Matheus Mazim"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "2359"]
[BlackElo "2126"]
[PlyCount "9"]
[EventDate "2018.02.17"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]
[WhiteTeam "Osasco"]
[BlackTeam "Xadrez Total"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. e5 Nd5 5. 0-0 1/2-1/2

[Event "Paulista-chT"]
[Site "Sao Paulo"]
[Date "2018.02.18"]
[Round "3.3"]
[White "De Sousa, Matheus Mazim"]
[Black "Galati, Mario Augusto"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "2126"]
[BlackElo "2116"]
[PlyCount "59"]
[EventDate "2018.02.17"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]
[WhiteTeam "Xadrez Total"]
[BlackTeam "Hebraica"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 c5 4. e3 b6 5. Bd3 Bb7 6. 0-0 Be7 7. c4 0-0 8. Nc3 cxd4 9. exd4 d6 10. Qe2 Nbd7 11. Rad1 Rc8 12. Rfe1 Re8 13. Bb1 Bxf3 14. gxf3 Qc7 15. b3 Qb7 16. Qd3 g6 17. Qe2 d5 18. Bd3 dxc4 19. bxc4 Nh5 20. Bxe7 Rxe7 21. Qe3 Ndf6 22. d5 Rce8 23. d6 Rd7 24. c5 bxc5 25. Bb5 Rc8 26. Bxd7 Qxd7 27. Ne4 Nd5 28. Qh6 c4 29. Rxd5 exd5 30. Ng5 1-0

[Event "Paulista-chT"]
[Site "Sao Paulo"]
[Date "2018.02.18"]
[Round "4.3"]
[White "Serafim Junior, Arnor"]
[Black "De Sousa, Matheus Mazim"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "1863"]
[BlackElo "2126"]
[PlyCount "70"]
[EventDate "2018.02.17"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]
[WhiteTeam "AAS CDRSJ"]
[BlackTeam "Xadrez Total"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. 0-0 Nf6 5. d3 Bg4 6. Nbd2 e6 7. c3 Be7 8. Re1 0-0 9. e4 Rc8 10. Qa4 Bh5 11. exd5 Nxd5 12. Ne5 Nb6 13. Nxc6 Nxa4 14. Nxd8 Rcxd8 15. Nb3 Rxd3 16. Bxb7 Rfd8 17. Bc6 Nb6 18. Be3 Rc8 19. Bb7 Rc7 20. Ba6 Rd8 21. Bf4 Bd6 22. Bxd6 Rxd6 23. Re5 Nd7 24. Rxh5 Rxa6 25. Nd2 f5 26. Rh4 Ne5 27. Kg2 g5 28. Rh5 Nf7 29. f4 h6 30. Nf3 Kg7 31. fxg5 hxg5 32. h3 Rb7 33. b3 Rxb3 34. axb3 Rxa1 35. Nxg5 Kg6 0-1

[Event "Paulista-chT"]
[Site "Sao Paulo"]
[Date "2018.02.17"]
[Round "2.2"]
[White "De Assis, Fabio Nery"]
[Black "De Sousa, Matheus Mazim"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "1752"]
[BlackElo "2126"]
[PlyCount "50"]
[EventDate "2018.02.17"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]
[WhiteTeam "Osasco II"]
[BlackTeam "Xadrez Total"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. e3 b5 7. Be2 Bb7 8. 0-0 a6 9. Qc2 Nf6 10. b3 cxb3 11. Qxb3 Be7 12. Ne5 0-0 13. Bf3 b4 14. Ne2 a5 15. Bb2 Qb6 16. Rac1 Rc8 17. Rc2 Nbd7 18. Rfc1 Nxe5 19. dxe5 Nd7 20. Bd4 c5 21. Bxb7 Qxb7 22. Bb2 Nb6 23. Nf4 c4 24. Rxc4 Nxc4 25. Rxc4 Rxc4 0-1

[Event "Paulista-chT"]
[Site "Sao Paulo"]
[Date "2018.02.17"]
[Round "1.4"]
[White "De Sousa, Matheus Mazim"]
[Black "Van Riemsdijk, Vinicius Paulo"]
[Result "0-1"]
[ECO "A34"]
[WhiteElo "2126"]
[BlackElo "2201"]
[PlyCount "76"]
[EventDate "2018.02.17"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 183 Extra"]
[Source "ChessBase"]
[SourceDate "2018.04.19"]
[SourceVersion "1"]
[SourceVersionDate "2018.04.19"]
[SourceQuality "1"]
[WhiteTeam "Xadrez Total"]
[BlackTeam "Pinheiros"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. Nf3 c5 2. c4 g6 3. Nc3 Bg7 4. b3 d6 5. Bb2 Nc6 6. e3 e5 7. Nd5 Nge7 8. Be2 0-0 9. Qc2 Nxd5 10. cxd5 Nb4 11. Qc4 b5 12. Qc1 e4 13. Ng1 Qg5 14. g3 Bd7 15. Bxg7 Kxg7 16. Qc3+ Kg8 17. f3 Nxd5 18. Qb2 f5 19. Nh3 Qh5 20. Ng1 Qg5 21. Nh3 Qe7 22. Nf4 Nxf4 23. gxf4 Qh4+ 24. Kd1 Bc6 25. fxe4 Bxe4 26. Re1 a6 27. a4 Qxh2 28. axb5 axb5 29. Bxb5 Qh5+ 30. Kc1 Qh4 31. Rg1 Qe7 32. Bc4+ d5 33. Be2 Rxa1+ 34. Qxa1 Rb8 35. Qc3 c4 36. Bd1 cxb3 37. Kb2 Ra8 38. Bxb3 Qa3# 0-1

[Event "BRA-ch Amateur U2200"]
[Site "Sao Paulo"]
[Date "2017.10.15"]
[Round "7"]
[White "Frois, Vitor Amorim"]
[Black "De Sousa, Matheus Mazim"]
[Result "1/2-1/2"]
[ECO "B39"]
[WhiteElo "2045"]
[BlackElo "2120"]
[PlyCount "215"]
[EventDate "2017.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[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 Ne6 10. Qd2 Qa5 11. Rc1 b6 12. Be2 Bb7 13. f3 Bxc3 14. Qxc3 Qxc3+ 15. Rxc3 d6 16. Bd3 Kd7 17. Ke2 Rhc8 18. Kd2 Nc5 19. Bxc5 bxc5 20. Bc2 Bc6 21. Ke3 Rcb8 22. b3 a5 23. a4 Ke6 24. Rd3 f5 25. Rdd1 fxe4 26. fxe4 Rf8 27. Rhf1 Rf6 28. Rxf6+ exf6 29. Kf4 Rf8 30. Rf1 Bd7 31. Rd1 Re8 32. Rd2 Bc6 33. Rf2 Kd7 34. g3 Re5 35. Rf1 Ke7 36. Rf2 Bd7 37. g4 Kf7 38. Rd2 Ke7 39. Rd5 Re6 40. Rd2 Bc6 41. h4 h6 42. Rh2 Be8 43. Bd3 Kd7 44. Be2 Re7 45. Bd3 Ke6 46. Bc2 Rh7 47. Bd1 Rg7 48. Rg2 Bc6 49. Bf3 g5+ 50. Ke3 Ke5 51. hxg5 hxg5 52. Rh2 Rb7 53. Bd1 Bxe4 54. Rh8 Re7 55. Rg8 Bc6 56. Bc2 Bd7 57. Bd1 f5 58. gxf5 Kxf5+ 59. Kf3 Kf6 60. Bc2 Rg7 61. Rf8+ Ke5 62. Kg3 Kd4 63. Rf3 g4 64. Rd3+ Ke5 65. Rd5+ Ke6 66. Rh5 Ke7 67. Be4 Rg8 68. Rh7+ Kd8 69. Bd5 Re8 70. Kf4 Rf8+ 71. Kg3 Rf1 72. Rh8+ Kc7 73. Rh7 Re1 74. Kf4 Kd8 75. Rh8+ Re8 76. Rh7 Rf8+ 77. Kg3 Kc8 78. Rg7 Rh8 79. Kf4 Kd8 80. Rg6 Rf8+ 81. Kg3 Kc7 82. Rg7 Re8 83. Kf4 Rf8+ 84. Kg3 Rf6 85. Rh7 Kd8 86. Rh8+ Kc7 87. Rh7 Kd8 88. Rh8+ Ke7 89. Rh7+ Ke8 90. Rh8+ Rf8 91. Rh6 Ke7 92. Rh7+ Kd8 93. Rh6 Re8 94. Kf4 Kc7 95. Rh7 Kc8 96. Rh6 Kc7 97. Rh7 Rf8+ 98. Kg3 Re8 99. Kf4 Rf8+ 100. Kg3 Rd8 101. Be6 Kc6 102. Bxd7+ Rxd7 103. Rxd7 Kxd7 104. Kxg4 d5 105. cxd5 Kd6 106. Kf4 Kxd5 107. Ke3 c4 108. bxc4+ 1/2-1/2

[Event "BRA-ch Amateur U2200"]
[Site "Sao Paulo"]
[Date "2017.10.14"]
[Round "5"]
[White "De Sousa, Matheus Mazim"]
[Black "Fonseca, Luis Ernesto Serra"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2120"]
[BlackElo "2000"]
[PlyCount "73"]
[EventDate "2017.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. e3 0-0 6. Bd3 b6 7. e4 dxe4 8. Nxe4 Bb7 9. Qe2 Nc6 10. Be3 Nb4 11. Nxf6+ Bxf6 12. Bb1 Qd6 13. a3 Nc6 14. 0-0 Rad8 15. Rd1 Na5 16. Bd3 Bxf3 17. Qxf3 Qd7 18. Rab1 Nc6 19. d5 Ne5 20. Qe4 Nxd3 21. Qxd3 exd5 22. cxd5 c6 23. d6 Be5 24. Rd2 Rfe8 25. Rbd1 Re6 26. g3 Bxb2 27. Rxb2 Rxd6 28. Qxd6 Qxd6 29. Rxd6 Rxd6 30. Rd2 Rxd2 31. Bxd2 Kf8 32. Kf1 Ke7 33. Ke2 Kd6 34. Kd3 Kc5 35. a4 b5 36. Be3+ Kb4 37. axb5 1-0

[Event "BRA-ch Amateur U2200"]
[Site "Sao Paulo"]
[Date "2017.10.14"]
[Round "6"]
[White "Van Riemsdijk, Dirk Dagobert"]
[Black "De Sousa, Matheus Mazim"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "1992"]
[BlackElo "2120"]
[PlyCount "96"]
[EventDate "2017.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 0-0 8. f3 d6 9. Qd2 Nxd4 10. Bxd4 Be6 11. Rc1 Nd7 12. Be2 Bxd4 13. Qxd4 Qb6 14. Qxb6 Nxb6 15. b3 Rfc8 16. Kd2 Nd7 17. Nd5 Kf8 18. Nf4 Nc5 19. b4 Nd7 20. Nxe6+ fxe6 21. f4 Kf7 22. a3 a5 23. Ra1 Ra7 24. h4 Nb6 25. Rac1 axb4 26. axb4 Ra2+ 27. Ke3 Rca8 28. c5 R8a3+ 29. Kf2 dxc5 30. bxc5 Na4 31. Rh3 Rxh3 32. gxh3 Ra3 33. Bf3 Nb2 34. Be2 Rxh3 35. Rb1 Na4 36. Rc1 Rc3 37. Rxc3 Nxc3 38. Bf3 Na4 39. Ke3 Nxc5 40. Kd4 b6 41. Kc4 Kf6 42. Kd4 h5 43. Bg2 Nd7 44. Bh3 Nb8 45. e5+ Kf7 46. Bg2 Na6 47. Be4 Nc7 48. Kc4 Nd5 0-1

[Event "BRA-ch Amateur U2200"]
[Site "Sao Paulo"]
[Date "2017.10.13"]
[Round "3"]
[White "De Sousa, Matheus Mazim"]
[Black "Bortoloso, Moacir Canella"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2120"]
[BlackElo "2079"]
[PlyCount "43"]
[EventDate "2017.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 0-0 5. e3 b6 6. Bd3 d5 7. 0-0 Be7 8. e4 dxc4 9. Nxc4 Bb7 10. Qe2 c5 11. dxc5 bxc5 12. Rd1 g6 13. Bh6 Nc6 14. Bxf8 Qxf8 15. Rac1 Qh6 16. e5 Ne8 17. Be4 Rb8 18. Rc3 Nb4 19. Bxb7 Rxb7 20. Nd6 Bxd6 21. exd6 Nd5 22. Rxd5 1-0

[Event "BRA-ch Amateur U2200"]
[Site "Sao Paulo"]
[Date "2017.10.13"]
[Round "4"]
[White "Goncalves, Marcus Vinicius M"]
[Black "De Sousa, Matheus Mazim"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "1970"]
[BlackElo "2120"]
[PlyCount "65"]
[EventDate "2017.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. e4 b5 6. e5 Bb7 7. Be2 a6 8. 0-0 Ne7 9. Ne4 Nd5 10. Bg5 Qb6 11. b3 c3 12. Qc2 b4 13. Bh4 h6 14. Bg3 Nd7 15. Nd6+ Bxd6 16. exd6 c5 17. Ne5 h5 18. Rad1 h4 19. Nxd7 Kxd7 20. Be5 Qc6 21. dxc5 Ne3 22. Bf3 Nxc2 23. Bxc6+ Bxc6 24. Rc1 Na3 25. f4 h3 26. g3 f6 27. Bd4 Nb5 28. Be3 a5 29. Rfe1 a4 30. Re2 axb3 31. axb3 Ra3 32. Rce1 Bf3 33. Bc1 0-1

[Event "BRA-ch Amateur U2200"]
[Site "Sao Paulo"]
[Date "2017.10.12"]
[Round "1"]
[White "De Sousa, Matheus Mazim"]
[Black "Yoshioka, Andre"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "2120"]
[BlackElo "1947"]
[PlyCount "32"]
[EventDate "2017.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. exd5 Qxd5 5. d4 Bg4 6. Be2 e6 7. 0-0 cxd4 8. cxd4 Nf6 9. Nc3 Qa5 10. h3 Bh5 11. Ne5 Bxe2 12. Nxc6 Qxc3 13. Qxe2 Qxc6 14. Bg5 Be7 15. Rac1 Qd7 16. Qe5 Qd5 0-1

[Event "BRA-ch Amateur U2200"]
[Site "Sao Paulo"]
[Date "2017.10.12"]
[Round "2"]
[White "Sano, Rafael Angelo Nobuy"]
[Black "De Sousa, Matheus Mazim"]
[Result "1/2-1/2"]
[ECO "B76"]
[WhiteElo "1884"]
[BlackElo "2120"]
[PlyCount "57"]
[EventDate "2017.10.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. f3 0-0 8. Nb3 d6 9. Qd2 Be6 10. 0-0-0 Na5 11. Kb1 Nc4 12. Bxc4 Bxc4 13. Bh6 b5 14. h4 Rc8 15. h5 Qc7 16. Bxg7 Kxg7 17. hxg6 fxg6 18. Nd5 Bxd5 19. exd5 Kg8 20. Nd4 Qc4 21. Ne6 Rf7 22. b3 Qc3 23. Qe2 Kh8 24. Rhe1 a5 25. Rd3 Qb4 26. Rd4 Qc3 27. Rd3 Qb4 28. Rd4 Qc3 29. Rd3 1/2-1/2

[Event "Aldeia de Barueri op"]
[Site "Aldeia de Barueri"]
[Date "2017.08.06"]
[Round "5"]
[White "De Sousa, Matheus Mazim"]
[Black "Lima, Valdenicio Marcelin"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2125"]
[BlackElo "1979"]
[PlyCount "56"]
[EventDate "2017.08.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Qc2 Nc6 5. h3 a6 6. d4 e5 7. Bc4 h6 8. 0-0 Be7 9. b4 cxb4 10. cxb4 0-0 11. a3 exd4 12. Bb3 Be6 13. Re1 Qd7 14. Bb2 Rac8 15. Qd1 d5 16. e5 Ne4 17. Nxd4 Bh4 18. g3 Nxd4 19. Qxd4 Be7 20. h4 f5 21. Rd1 Rcd8 22. Nd2 Kh8 23. Nxe4 fxe4 24. Qb6 Rf3 25. Ba4 Qxa4 26. Qxe6 Qc2 27. Bd4 Rdf8 28. Rf1 Qd3 1-0

[Event "Aldeia de Barueri op"]
[Site "Aldeia de Barueri"]
[Date "2017.08.06"]
[Round "6"]
[White "Languidey, Simon Alejandro"]
[Black "De Sousa, Matheus Mazim"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "2365"]
[BlackElo "2125"]
[PlyCount "55"]
[EventDate "2017.08.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 e6 4. Bg2 Nf6 5. Nge2 d5 6. exd5 Nxd5 7. 0-0 Nxc3 8. bxc3 Na5 9. d4 Bd6 10. Nf4 0-0 11. Qh5 Qc7 12. Ba3 g6 13. Qg5 Be7 14. Qh6 Rd8 15. Rfd1 Bf8 16. Qg5 Nc4 17. Bxc5 h6 18. Qf6 Bg7 19. Qe7 Rd7 20. Qe8+ Kh7 21. Be4 Nd6 22. Bxg6+ fxg6 23. Qxg6+ Kh8 24. Nxe6 Qc6 25. d5 Qa6 26. Bd4 Bxd4 27. Qxh6+ Kg8 28. Rxd4 1-0

[Event "Aldeia de Barueri op"]
[Site "Aldeia de Barueri"]
[Date "2017.08.05"]
[Round "3"]
[White "De Sousa, Matheus Mazim"]
[Black "Rodrigues, Regis Ramos"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2125"]
[BlackElo "1916"]
[PlyCount "107"]
[EventDate "2017.08.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 Nbd7 5. Qd2 Ng4 6. Bg5 h6 7. Bh4 Bg7 8. f3 Ngf6 9. 0-0-0 0-0 10. g4 e5 11. Bf2 c6 12. Be3 h5 13. dxe5 dxe5 14. gxh5 Nxh5 15. Nge2 Qa5 16. Bh6 b5 17. Ng3 Nf4 18. Bxg7 Kxg7 19. a3 Qb6 20. Nce2 Qf2 21. Qc3 Qc5 22. Qxc5 Nxe2+ 23. Bxe2 Nxc5 24. Rd6 Bb7 25. Rdd1 Rad8 26. Rdg1 Rh8 27. h4 Ne6 28. h5 Nf4 29. hxg6 Rxh1 30. Rxh1 fxg6 31. Bf1 Rh8 32. Rxh8 Kxh8 33. Kd2 Kg7 34. Kc3 Kf6 35. Kb4 Ke7 36. a4 bxa4 37. Kxa4 Kd6 38. Kb4 Bc8 39. Nh1 Bh3 40. Ng3 Bg2 41. Bxg2 Nxg2 42. c4 Ne1 43. c5+ Kc7 44. Kc4 Nxf3 45. Nf1 Ng5 46. Kd3 Ne6 47. Kc4 a5 48. Nd2 Nd4 49. Kd3 Ne6 50. Kc4 Nd4 51. Kd3 Ne6 52. Kc4 Nd8 53. Kc3 Ne6 54. Kc4 1/2-1/2

[Event "Aldeia de Barueri op"]
[Site "Aldeia de Barueri"]
[Date "2017.08.05"]
[Round "4"]
[White "Sena Moura, Danielle"]
[Black "De Sousa, Matheus Mazim"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "1821"]
[BlackElo "2125"]
[PlyCount "60"]
[EventDate "2017.08.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. a4 Bb4 6. Bd2 a5 7. e3 b5 8. axb5 Bxc3 9. Bxc3 cxb5 10. b3 Bb7 11. d5 Nf6 12. dxe6 Qxd1+ 13. Kxd1 Ne4 14. Be1 fxe6 15. Nd4 0-0 16. f3 Nc5 17. Rxa5 Rxa5 18. Bxa5 Nxb3 19. Nxb3 cxb3 20. Bxb5 Rf5 21. Bc7 Rd5+ 22. Kc1 Rc5+ 23. Kb2 Rxc7 24. Kxb3 Bd5+ 25. Kb4 Nc6+ 26. Kc5 Na7+ 27. Kb6 Rb7+ 28. Ka6 Nxb5 29. e4 Nc7+ 30. Ka5 Bb3 0-1

[Event "Aldeia de Barueri op"]
[Site "Aldeia de Barueri"]
[Date "2017.08.04"]
[Round "1"]
[White "De Sousa, Matheus Mazim"]
[Black "Fujita, Daniela Miwa"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2125"]
[BlackElo "1554"]
[PlyCount "77"]
[EventDate "2017.08.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 d6 4. d4 cxd4 5. cxd4 Nf6 6. Bd3 Be7 7. 0-0 0-0 8. Nc3 Nc6 9. e5 dxe5 10. dxe5 Nd5 11. Nxd5 Qxd5 12. Qe2 Qd8 13. Rd1 Qc7 14. Bg5 Bxg5 15. Nxg5 g6 16. f4 Kg7 17. Ne4 Bd7 18. Nf6 Rad8 19. Qf2 Rh8 20. Qh4 Nb4 21. Ng4 Kf8 22. Qf6 Rg8 23. Nh6 Rg7 24. Be4 Qc5+ 25. Kh1 Qe7 26. Rd4 Nc6 27. Bxc6 bxc6 28. Rad1 c5 29. Rd6 a5 30. b3 Qe8 31. Qxd8 Qxd8 32. Rxd7 Qe8 33. Rd8 Ke7 34. Rxe8+ Kxe8 35. Ng4 Ke7 36. Nf6 h6 37. Rd7+ Kf8 38. Rd8+ Ke7 39. Re8# 1-0

[Event "Aldeia de Barueri op"]
[Site "Aldeia de Barueri"]
[Date "2017.08.04"]
[Round "2"]
[White "Teshima, Ricardo Yoshida"]
[Black "De Sousa, Matheus Mazim"]
[Result "1/2-1/2"]
[ECO "B24"]
[WhiteElo "1873"]
[BlackElo "2125"]
[PlyCount "116"]
[EventDate "2017.08.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 180 Extra"]
[Source "ChessBase"]
[SourceDate "2017.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 e6 4. Bg2 Nf6 5. d3 h6 6. h3 d5 7. f4 dxe4 8. Nxe4 Be7 9. Ne2 Nd5 10. 0-0 0-0 11. Kh2 Rb8 12. d4 c4 13. c3 Qc7 14. b4 b5 15. Bd2 Bd7 16. Ng1 a5 17. a3 Ra8 18. Qc2 Ra7 19. Nf3 Rfa8 20. Qb2 f6 21. Rfe1 Bf8 22. Nf2 axb4 23. axb4 Ncxb4 24. f5 Rxa1 25. Rxa1 Rxa1 26. Qxa1 Nc6 27. fxe6 Bxe6 28. Qb2 b4 29. cxb4 Ncxb4 30. Ne4 Nd3 31. Qb5 Kh7 32. Bf1 N3b4 33. Bxb4 Nxb4 34. Nh4 Qc6 35. Nc3 Qxb5 36. Nxb5 Na2 37. Ng2 c3 38. Bd3+ Kg8 39. Ne3 Bb3 40. Be4 Nb4 41. Nxc3 Kf7 42. Kg2 g6 43. g4 Bd6 44. Kf3 Na6 45. Nb5 Bb8 46. Bb7 Nc7 47. Nxc7 Bxc7 48. Bd5+ Bxd5+ 49. Nxd5 Bb8 50. Ke4 Bh2 51. Ne3 Ke6 52. d5+ Kd6 53. Nc4+ Kc5 54. Nd2 h5 55. Nf3 Bg3 56. Nd4 Kc4 57. Ne6 h4 58. Nf8 f5+ 1/2-1/2

[Event "Curitiba IEP&Copel op"]
[Site "Curitiba"]
[Date "2017.05.14"]
[Round "5"]
[White "Crul, Otavio Augusto Barr"]
[Black "De Sousa, Matheus Mazim"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1830"]
[BlackElo "2141"]
[PlyCount "72"]
[EventDate "2017.05.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Bf5 7. Bd3 Bxd3 8. Qxd3 Nbd7 9. Nge2 Bd6 10. Bf4 Nb6 11. 0-0 0-0 12. a4 Bxf4 13. Nxf4 a5 14. b3 Re8 15. f3 Qd6 16. Rae1 Rad8 17. Re2 Nbd7 18. Rd1 Nb8 19. Nh3 Na6 20. Nf2 Nb4 21. Qd2 Qe6 22. Nd3 b6 23. Nxb4 axb4 24. Na2 c5 25. Nc1 Qe7 26. Qc2 Rc8 27. dxc5 bxc5 28. Rde1 c4 29. e4 cxb3 30. Qxb3 Rc3 31. exd5 Qc5+ 32. Kf1 Rxe2 33. Rxe2 Rxb3 34. Nxb3 Qxd5 35. Rd2 Qc4+ 36. Kf2 g6 0-1

[Event "Curitiba IEP&Copel op"]
[Site "Curitiba"]
[Date "2017.05.14"]
[Round "6"]
[White "De Sousa, Matheus Mazim"]
[Black "Souza, Gustavo Horokoski"]
[Result "1/2-1/2"]
[ECO "C01"]
[WhiteElo "2141"]
[BlackElo "1983"]
[PlyCount "117"]
[EventDate "2017.05.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 Nf6 5. Nf3 Bb4+ 6. Nc3 0-0 7. Be2 dxc4 8. Bxc4 Re8+ 9. Be3 Be6 10. Bd3 Nc6 11. 0-0 h6 12. h3 Nd5 13. Bd2 Qf6 14. a3 Nxc3 15. bxc3 Bf8 16. Be3 Na5 17. Nd2 Bf5 18. Be2 c5 19. Qa4 Nc6 20. Bf3 cxd4 21. cxd4 Rac8 22. Rfe1 a6 23. Nf1 Qg6 24. Ng3 Bc2 25. Qc4 Ne5 26. Qe2 Nxf3+ 27. Qxf3 b5 28. Ne2 Be4 29. Qg3 Bd6 30. Bf4 Bxf4 31. Qxg6 Bxg6 32. Nxf4 Rxe1+ 33. Rxe1 Rd8 34. Nxg6 fxg6 35. Re6 Rxd4 36. Rxa6 g5 37. Ra5 b4 38. Ra4 Rd2 39. axb4 Rxf2 40. b5 Rb2 41. Ra8+ Kf7 42. Rb8 Rb3 43. b6 Kg6 44. b7 h5 45. g3 Rb2 46. Kf1 Rb4 47. Kg1 Rb2 48. Kf1 h4 49. g4 Kf7 50. Ke1 Kg6 51. Kd1 Kf7 52. Kc1 Rb6 53. Kc2 Kg6 54. Kc3 Kf7 55. Kd4 Rb4+ 56. Kc5 Rb1 57. Kc6 Rc1+ 58. Kd7 Rd1+ 59. Kc6 1/2-1/2

[Event "Curitiba IEP&Copel op"]
[Site "Curitiba"]
[Date "2017.05.13"]
[Round "4"]
[White "De Sousa, Matheus Mazim"]
[Black "Kruger, Israel"]
[Result "0-1"]
[ECO "A48"]
[WhiteElo "2141"]
[BlackElo "1918"]
[PlyCount "122"]
[EventDate "2017.05.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bg5 Nf6 5. Nbd2 Nbd7 6. Bc4 e5 7. c3 0-0 8. 0-0 h6 9. Bh4 Qe7 10. Re1 Rd8 11. Qc2 Nf8 12. Bb3 g5 13. Bg3 Ng6 14. Nc4 Nh5 15. Ne3 c6 16. dxe5 dxe5 17. Rad1 Be6 18. Bxe6 fxe6 19. Qb3 Nxg3 20. hxg3 Kh7 21. Qa4 a6 22. Qa5 b5 23. Qb6 Rdc8 24. Rd3 h5 25. Red1 Nf8 26. Rd6 g4 27. Nh4 c5 28. Rc6 Rxc6 29. Qxc6 Ra7 30. c4 b4 31. a3 bxa3 32. bxa3 Rc7 33. Qb6 Rb7 34. Qa5 Bf6 35. a4 Bxh4 36. gxh4 Qxh4 37. Qd8 Qxd8 38. Rxd8 Kg7 39. Ra8 Rb6 40. a5 Rd6 41. Ra7+ Nd7 42. Kf1 Kf6 43. Ke2 Nb8 44. Rh7 Kg6 45. Rc7 Nc6 46. f3 g3 47. Ke1 Nxa5 48. Rxc5 Nc6 49. Nf1 h4 50. f4 Nb4 51. fxe5 Rc6 52. Ra5 Rxc4 53. Nd2 Rc5 54. Ra4 Nd3+ 55. Ke2 Nxe5 56. Rxa6 Kf6 57. Ke3 Rc2 58. Ra8 Rxd2 59. Kxd2 h3 60. Rf8+ Kg7 61. Rf1 hxg2 0-1

[Event "Curitiba IEP&Copel op"]
[Site "Curitiba"]
[Date "2017.05.13"]
[Round "3"]
[White "Souza, Adwilhans Luciano"]
[Black "De Sousa, Matheus Mazim"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "2338"]
[BlackElo "2141"]
[PlyCount "29"]
[EventDate "2017.05.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Nxc6 bxc6 7. e5 Ng8 8. Bc4 d5 9. exd6 exd6 10. Qf3 Qc7 11. 0-0 Be6 12. Re1 Qd7 13. Bg5 Bg7 14. Bxe6 fxe6 15. Rxe6+ 1-0

[Event "Curitiba IEP&Copel op"]
[Site "Curitiba"]
[Date "2017.05.12"]
[Round "2"]
[White "De Sousa, Matheus Mazim"]
[Black "Cordioli, Jairo Ribeiro"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2141"]
[BlackElo "1899"]
[PlyCount "94"]
[EventDate "2017.05.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 e6 6. Bd3 cxd4 7. cxd4 Bb4+ 8. Nc3 Nc6 9. 0-0 Bxc3 10. bxc3 0-0 11. Re1 b5 12. Bg5 Nd7 13. Be7 Nxe7 14. Be4 Qc4 15. Bxa8 Ba6 16. Be4 Qxc3 17. Rc1 Qa5 18. Qc2 Nf6 19. Qc7 Qxc7 20. Rxc7 Nxe4 21. Rxe7 Nd6 22. Rd7 Nc8 23. a3 b4 24. axb4 Bb5 25. Rc7 a6 26. Ne5 Nb6 27. Rec1 Nd5 28. Rc8 f6 29. Rxf8+ Kxf8 30. Nc6 Ke8 31. Rc5 Kd7 32. Na7 Nc7 33. Nxb5 axb5 34. f4 g6 35. Kf2 Kd6 36. g4 Nd5 37. Rxb5 Nxf4 38. Rb7 Kc6 39. Rxh7 Nd3+ 40. Kf3 Nxb4 41. h4 Kd6 42. Rg7 Nc2 43. Rxg6 Nxd4+ 44. Ke4 Nc6 45. Rxf6 Ke7 46. Rf1 Nd8 47. g5 Nf7 1-0

[Event "Curitiba IEP&Copel op"]
[Site "Curitiba"]
[Date "2017.05.12"]
[Round "1"]
[White "De Souza, Maria Luiza Ferreir"]
[Black "De Sousa, Matheus Mazim"]
[Result "0-1"]
[ECO "B78"]
[WhiteElo "1639"]
[BlackElo "2141"]
[PlyCount "48"]
[EventDate "2017.05.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 178 Extra"]
[Source "ChessBase"]
[SourceDate "2017.06.22"]
[SourceVersion "1"]
[SourceVersionDate "2017.06.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 d6 9. f3 Bd7 10. Qd2 Nxd4 11. Bxd4 b5 12. 0-0-0 a5 13. Nd5 Nxd5 14. Bxd5 Rc8 15. Bxg7 Kxg7 16. a3 Rc5 17. Qd4+ e5 18. Qe3 Qc7 19. Rd2 Rc8 20. Qf2 b4 21. h4 bxa3 22. b3 Rxd5 23. exd5 Qc3 24. Kd1 a2 0-1

[Event "Sao Paulo CC Fox op"]
[Site "Sao Paulo"]
[Date "2016.10.09"]
[Round "6"]
[White "De Sousa, Matheus Mazim"]
[Black "Bispo, Leonardo"]
[Result "0-1"]
[ECO "D74"]
[WhiteElo "2147"]
[BlackElo "2226"]
[PlyCount "130"]
[EventDate "2016.10.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d5 6. cxd5 Nxd5 7. d4 Nc6 8. Nc3 Bf5 9. Re1 Nxc3 10. bxc3 Be4 11. Nh4 Bxg2 12. Nxg2 e5 13. d5 Na5 14. Ba3 Re8 15. Qa4 b6 16. e4 c5 17. dxc6 Qc8 18. Ne3 Qxc6 19. Qxc6 Nxc6 20. Nd5 Rec8 21. Kf1 Bf8 22. Bxf8 Kxf8 23. Rac1 Kg7 24. Red1 Na5 25. Ne3 Nc4 26. Ke2 Rc5 27. Rd5 Rac8 28. Nxc4 Rxc4 29. Kd3 Kf6 30. f4 exf4 31. gxf4 Ra4 32. Rc2 Rc6 33. h4 Ke6 34. Re5+ Kd7 35. f5 Kd6 36. Rd5+ Ke7 37. Rf2 Ra3 38. Rc2 a6 39. Kd4 Ra4+ 40. Ke3 Rac4 41. fxg6 hxg6 42. Kd3 b5 43. Rd4 R4c5 44. a4 Rh5 45. axb5 axb5 46. Rd5 Rxd5+ 47. exd5 Rc5 48. Ke4 Kd6 49. Rf2 f5+ 50. Kf4 Kxd5 51. Kg5 Rc6 52. Rb2 Kc5 53. Rb1 Ra6 54. Rb2 Re6 55. Rb4 Rb6 56. Rf4 Ra6 57. Rb4 Re6 58. Rb3 Re4 59. Kxg6 Rxh4 60. Kxf5 Ra4 61. Ke5 Kc4 62. Rb1 Ra3 63. Rb4+ Kc5 64. Rh4 Rxc3 65. Rh8 Rd3 0-1

[Event "Sao Paulo CC Fox op"]
[Site "Sao Paulo"]
[Date "2016.10.09"]
[Round "5"]
[White "Heinrichs, Vivian"]
[Black "De Sousa, Matheus Mazim"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1979"]
[BlackElo "2147"]
[PlyCount "58"]
[EventDate "2016.10.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Nf6 4. e5 Nd5 5. 0-0 a6 6. Bxc6 dxc6 7. d4 cxd4 8. Qxd4 Bf5 9. c3 e6 10. Bg5 c5 11. Qa4+ b5 12. Qd1 Be7 13. Bxe7 Qxe7 14. a4 0-0 15. h3 Rfd8 16. Qc1 Bd3 17. Re1 c4 18. axb5 axb5 19. Rxa8 Rxa8 20. Na3 Nxc3 21. Nd4 b4 22. Nab5 Nxb5 23. Nxb5 Qc5 24. Nd6 c3 25. bxc3 Qxc3 26. Qe3 Bg6 27. Qxc3 bxc3 28. Nb5 c2 29. Nd4 Rd8 0-1

[Event "Sao Paulo CC Fox op"]
[Site "Sao Paulo"]
[Date "2016.10.08"]
[Round "4"]
[White "Caceres, Elton Carlos"]
[Black "De Sousa, Matheus Mazim"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "1852"]
[BlackElo "2147"]
[PlyCount "102"]
[EventDate "2016.10.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. b3 c5 2. Bb2 Nc6 3. Nf3 Nf6 4. e3 d5 5. Bb5 Qb6 6. a4 a6 7. Be2 Bf5 8. d3 Qc7 9. Nh4 Bg6 10. Nxg6 hxg6 11. h3 e6 12. Nd2 Be7 13. Nf3 0-0 14. 0-0 Rfd8 15. Re1 e5 16. Nd2 Rab8 17. Bf1 b5 18. e4 dxe4 19. Nxe4 c4 20. axb5 axb5 21. bxc4 bxc4 22. Qc1 Qb7 23. Ba3 Nxe4 24. Bxe7 Nxe7 25. Rxe4 c3 26. Rxe5 Nd5 27. Re4 Qb2 28. Be2 Ra8 29. Rb1 Rdb8 30. Re8+ Rxe8 31. Rxb2 cxb2 32. Qxb2 Rxe2 33. Qb7 Rd8 34. c4 Nf4 35. Qc7 Ne6 36. Qa5 Rxd3 37. Qa8+ Rd8 38. Qc6 Rd1+ 39. Kh2 Rxf2 40. c5 Rc2 41. Qe8+ Nf8 42. c6 Rdc1 43. Kg3 Rxc6 44. Kh4 g5+ 45. Kh5 R1c4 46. g4 R4c5 47. Qxc6 Rxc6 48. Kxg5 Rc4 49. Kh5 Ng6 50. h4 Kh7 51. g5 Rxh4# 0-1

[Event "Sao Paulo CC Fox op"]
[Site "Sao Paulo"]
[Date "2016.10.08"]
[Round "3"]
[White "De Sousa, Matheus Mazim"]
[Black "Rodrigues, Leonardo De Miranda"]
[Result "1/2-1/2"]
[ECO "A89"]
[WhiteElo "2147"]
[BlackElo "2151"]
[PlyCount "131"]
[EventDate "2016.10.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 f5 2. c4 g6 3. g3 Nf6 4. Bg2 Bg7 5. 0-0 0-0 6. Nc3 d6 7. d4 Nc6 8. d5 Na5 9. Nd2 c5 10. Qc2 a6 11. a3 Qc7 12. e4 Ng4 13. Rb1 Bd7 14. exf5 Bxf5 15. Nce4 b5 16. cxb5 axb5 17. b4 Nb7 18. Bb2 Bxb2 19. Qxb2 c4 20. Qc3 Qb6 21. Rbe1 h6 22. h3 Ne5 23. g4 Bd7 24. Ng3 Rf4 25. Nf3 Raf8 26. Nxe5 Rxf2 27. Rxf2 Qxf2+ 28. Kh2 dxe5 29. Qxe5 Nd6 30. Rf1 Qd2 31. Qxe7 Rxf1 32. Nxf1 Qf4+ 33. Kh1 Be8 34. Qe3 g5 35. Kg1 Bg6 36. Qxf4 gxf4 37. Nd2 Kg7 38. Kf2 Kf6 39. Ke1 Bc2 40. Nf3 Be4 41. Kd2 Bxd5 42. Kc3 Bxf3 43. Bxf3 Ke5 44. h4 Ne4+ 45. Kc2 Kd4 46. a4 bxa4 47. b5 Nc5 48. b6 Nd7 49. b7 a3 50. Bd1 c3 51. Kb3 Nc5+ 52. Kxa3 Nxb7 53. g5 hxg5 54. hxg5 Nd6 55. g6 Nf5 56. Kb3 Ng7 57. Kc2 Nf5 58. Bf3 Ne3+ 59. Kc1 Nf5 60. Kc2 Ke3 61. Bg4 Ne7 62. g7 Kd4 63. Be2 Ke3 64. Bg4 f3 65. Bxf3 Kxf3 66. Kxc3 1/2-1/2

[Event "Sao Paulo CC Fox op"]
[Site "Sao Paulo"]
[Date "2016.10.07"]
[Round "2"]
[White "Costa, Edvaldo da Cruz"]
[Black "De Sousa, Matheus Mazim"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "1767"]
[BlackElo "2147"]
[PlyCount "84"]
[EventDate "2016.10.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Nf6 6. Bg5 Bb4+ 7. Nc3 Qa5 8. Bd2 Qb6 9. Nf3 0-0 10. Bd3 c5 11. a3 cxd4 12. axb4 dxc3 13. Bxc3 Nbd7 14. 0-0 Qc7 15. Re1 Rd8 16. Qc2 b6 17. Ng5 h6 18. Bh7+ Kf8 19. Nxf7 Kxf7 20. Qg6+ Kf8 21. Rxe6 Re8 22. Bxf6 Nxf6 23. Rxf6+ gxf6 24. Qxf6+ Qf7 25. Qxh6+ Qg7 26. Qd6+ Kf7 27. Qd5+ Be6 28. Qb7+ Kf8 29. Qf3+ Qf7 30. Qd3 Bxc4 31. Qd6+ Kg7 32. Bc2 Qf6 33. Qc7+ Bf7 34. Bb3 Rac8 35. Qd7 Qe7 36. Qd4+ Qe5 37. Qg4+ Kf8 38. h3 Bxb3 39. Qg6 Qg7 40. Qd6+ Kg8 41. Qd3 Qxb2 42. Rxa7 Qc1+ 0-1

[Event "Sao Paulo CC Fox op"]
[Site "Sao Paulo"]
[Date "2016.10.07"]
[Round "1"]
[White "De Sousa, Matheus Mazim"]
[Black "Machado, Antonio Rodrigo"]
[Result "1/2-1/2"]
[ECO "E60"]
[WhiteElo "2147"]
[BlackElo "1543"]
[PlyCount "250"]
[EventDate "2016.10.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. f3 Bg7 4. e4 0-0 5. e5 Ne8 6. f4 d6 7. Nf3 c5 8. d5 Bg4 9. Qe2 e6 10. Nc3 Nc7 11. exd6 Qxd6 12. Ne4 Qb6 13. d6 Nca6 14. h3 Bxf3 15. Qxf3 Nc6 16. Qb3 Nd4 17. Qxb6 axb6 18. Kf2 Nb4 19. a3 Rfd8 20. Rb1 Nbc6 21. g4 f5 22. gxf5 exf5 23. Nc3 Rxd6 24. Nd5 Nb3 25. Bg2 Re8 26. Be3 Ncd4 27. Rhe1 Nc2 28. Bxc5 Rxe1 29. Rxe1 Nxc5 30. Re8+ Kf7 31. Rc8 Bd4+ 32. Ke2 Re6+ 33. Kd2 Ne3 34. Bf3 Kg7 35. b4 Nxc4+ 36. Kc1 Nb3+ 37. Kc2 Nbd2 38. Rc7+ Kh6 39. Ne7 Rxe7 40. Rxe7 Nxf3 41. a4 Nh4 42. Kd3 Be3 43. Kxc4 Bxf4 44. Rxb7 Be3 45. a5 bxa5 46. bxa5 f4 47. Kd3 Nf5 48. a6 g5 49. a7 Bxa7 50. Rxa7 Kg6 51. Ke4 Ng3+ 52. Kf3 Nf5 53. Rb7 h6 54. Rb6+ Kg7 55. Ra6 Nh4+ 56. Kg4 f3 57. Kg3 Kf7 58. Kf2 h5 59. Rh6 Nf5 60. Rxh5 Kg6 61. Rh8 Nh4 62. Kg3 Kg7 63. Ra8 Kg6 64. Kg4 Kg7 65. Ra6 f2 66. Ra1 Ng2 67. Kg3 Nf4 68. h4 Nd3 69. hxg5 Kg6 70. Kf3 Kxg5 71. Ke2 Nf4+ 72. Kxf2 Kg4 73. Ra4 Kf5 74. Kf3 Ne6 75. Ra5+ Kf6 76. Ke4 Ng5+ 77. Kd5 Nf7 78. Ra1 Ke7 79. Ra6 Nd8 80. Rh6 Kd7 81. Rh7+ Ke8 82. Ra7 Nf7 83. Ke6 Nd8+ 84. Kf6 Nc6 85. Rc7 Nd8 86. Re7+ Kf8 87. Rh7 Ke8 88. Rc7 Kf8 89. Re7 Nc6 90. Re2 Nd8 91. Re1 Nf7 92. Rd1 Ke8 93. Re1+ Kf8 94. Ra1 Nd8 95. Re1 Nf7 96. Ke6 Nd8+ 97. Kd7 Nf7 98. Rg1 Ne5+ 99. Ke6 Nc6 100. Rc1 Nd8+ 101. Kd7 Nf7 102. Rg1 Nh6 103. Ke6 Ng8 104. Rg2 Ne7 105. Ra2 Ng8 106. Ra7 Nh6 107. Rb7 Ng8 108. Rh7 Ke8 109. Rf7 Nh6 110. Rf1 Ng8 111. Rf2 Nh6 112. Ra2 Kf8 113. Rg2 Ng8 114. Rg6 Ne7 115. Rf6+ Ke8 116. Rf7 Nc6 117. Rh7 Nd8+ 118. Kf6 Nc6 119. Rc7 Nd8 120. Re7+ Kf8 121. Rh7 Ke8 122. Re7+ Kf8 123. Rh7 Ke8 124. Re7+ Kf8 125. Rc7 Ke8 1/2-1/2

[Event "Sao Paulo Freitas Memorial"]
[Site "Sao Paulo"]
[Date "2015.10.12"]
[Round "5"]
[White "Awoki, Daniel Teidi"]
[Black "De Sousa, Matheus Mazim"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "2027"]
[BlackElo "2129"]
[PlyCount "129"]
[EventDate "2015.10.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Nb3 Nf6 7. g4 d5 8. exd5 Nb4 9. Bb5+ Kf8 10. h3 Nfxd5 11. Bc4 Bxg4 12. hxg4 Nxc3 13. bxc3 Qc7 14. Be2 Rd8 15. Bd2 Bxc3 16. Kf1 Bxd2 17. Nxd2 Qf4 18. Ke1 Qd4 19. Bd3 Nxd3+ 20. cxd3 Qe5+ 21. Kf1 Rxd3 22. Qe1 Qd5 23. Ne4 f5 24. gxf5 gxf5 25. Rh5 Kg7 26. Nc3 Qf7 27. Rg5+ Kf6 28. Rxf5+ Kxf5 29. Qe4+ Kg5 30. Qxd3 Rf8 31. Ne4+ Kh6 32. Ke2 Qh5+ 33. Kd2 Qa5+ 34. Ke2 Qh5+ 35. Kd2 Qa5+ 36. Ke3 Qb6+ 37. Ke2 Qb2+ 38. Qd2+ Qxd2+ 39. Kxd2 Rd8+ 40. Ke3 Rc8 41. Rd1 Rc2 42. a3 b5 43. Rd7 a5 44. Rb7 Rb2 45. Kd4 b4 46. Rb6+ Kh5 47. Rb5+ Kg4 48. Rxa5 Kf4 49. a4 Rb1 50. Nd2 Rc1 51. Rb5 Rc2 52. Rxb4 Ra2 53. Kd3+ Kf5 54. Rb5+ e5 55. a5 Kf4 56. Rb4+ Kf5 57. Rb5 h5 58. Nc4 Kf4 59. Rxe5 h4 60. Re4+ Kg5 61. Ke3 h3 62. Kf3 h2 63. Re1 Ra4 64. Ne3 Rxa5 65. Rh1 1-0

[Event "Sao Paulo Freitas Memorial"]
[Site "Sao Paulo"]
[Date "2015.10.12"]
[Round "6"]
[White "Dias, Joao Batista de Sou"]
[Black "De Sousa, Matheus Mazim"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1846"]
[BlackElo "2129"]
[PlyCount "102"]
[EventDate "2015.10.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. e4 c5 2. f4 Nc6 3. Nf3 g6 4. c3 d5 5. exd5 Qxd5 6. Be2 Bg7 7. 0-0 e6 8. Na3 Nge7 9. d3 0-0 10. Be3 b6 11. Ng5 h6 12. Bf3 Qd7 13. Ne4 Ba6 14. Qa4 Qxd3 15. Rfe1 Bb7 16. Rad1 Qa6 17. Qc2 Nd5 18. Nd6 Rad8 19. Rxd5 exd5 20. Be2 c4 21. Naxc4 dxc4 22. Bxc4 Rxd6 23. Bxa6 Bxa6 24. f5 g5 25. Bf2 Bd3 26. Qd1 Rfd8 27. Bg3 Rd5 28. f6 Bxf6 29. Qf3 Bg7 30. Re8+ Rxe8 31. Qxd5 Be4 32. Qd7 Re7 33. Qc8+ Kh7 34. h4 Be5 35. Bxe5 Nxe5 36. hxg5 hxg5 37. Kh2 Bd5 38. Qf5+ Kh6 39. Qh3+ Kg6 40. g4 Nf3+ 41. Kg3 Nh4 42. Kf2 Bc4 43. b3 Re2+ 44. Kg1 Rg2+ 45. Kh1 Be6 46. Qd3+ Kh6 47. Qd4 Rxg4 48. Qh8+ Kg6 49. Qg8+ Kf6 50. Qd8+ Kg7 51. c4 Nf3 0-1

[Event "Sao Paulo Freitas Memorial"]
[Site "Sao Paulo"]
[Date "2015.10.11"]
[Round "3"]
[White "De Sousa, Matheus Mazim"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "2129"]
[BlackElo "2289"]
[PlyCount "107"]
[EventDate "2015.10.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 Bf5 4. Nf3 e6 5. Nh4 c6 6. Nxf5 exf5 7. Qd3 Ne4 8. Nxe4 fxe4 9. Qb3 Qb6 10. Qxb6 axb6 11. f3 f5 12. fxe4 fxe4 13. g3 Be7 14. e3 b5 15. h4 Nd7 16. Be2 0-0 17. Kd2 Nb6 18. a3 Nc4+ 19. Bxc4 bxc4 20. c3 Kf7 21. Raf1 Ke6 22. Be5 g6 23. h5 Rxf1 24. Rxf1 gxh5 25. Rh1 Kf5 26. Rxh5+ Kg6 27. Rh2 Rf8 28. Bf4 h5 29. Ke2 Ra8 30. Kf2 Rh8 31. g4 h4 32. Kg2 Bg5 33. Kh3 Rf8 34. Rf2 Bxf4 35. exf4 e3 36. Re2 Rxf4 37. Rxe3 Rf2 38. Kxh4 Rh2+ 39. Kg3 Rxb2 40. Kf4 Rf2+ 41. Ke5 Rd2 42. Kd6 Rd3 43. Re7 Rxc3 44. Rxb7 Rxa3 45. Kxc6 Ra5 46. Rd7 Kg5 47. Kb6 Ra3 48. Kc5 c3 49. Kxd5 Kxg4 50. Ke4 Kg5 51. Rf7 c2 52. Rc7 Ra2 53. Ke5 Kg6 54. d5 1-0

[Event "Sao Paulo Freitas Memorial"]
[Site "Sao Paulo"]
[Date "2015.10.11"]
[Round "4"]
[White "De Sousa, Matheus Mazim"]
[Black "Tsuboi, Edson Kenji"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2129"]
[BlackElo "2274"]
[PlyCount "104"]
[EventDate "2015.10.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 g6 4. g3 Bg7 5. Bg2 c6 6. Nf3 Nbd7 7. 0-0 0-0 8. Qd2 Re8 9. Rfe1 Qb6 10. Rab1 Ne4 11. Nxe4 dxe4 12. Ng5 Qxd4 13. Nxe4 f5 14. Qxd4 Bxd4 15. Nd2 e5 16. Bg5 Bc5 17. b4 Bf8 18. e4 f4 19. gxf4 h6 20. Bh4 exf4 21. f3 Ne5 22. Bf6 Bg7 23. Bxg7 Kxg7 24. Nb3 b6 25. Kf2 Be6 26. Bf1 Rad8 27. Red1 Kf6 28. Nd4 Bxa2 29. Ra1 Be6 30. Rxa7 Rd6 31. c3 Red8 32. Rc7 R8d7 33. Rc8 Ra7 34. Rf8+ Ke7 35. Rxf4 c5 36. bxc5 bxc5 37. Nf5+ gxf5 38. Rxd6 Kxd6 39. exf5 Bf7 40. Rh4 h5 41. Re4 Bd5 42. Re3 h4 43. Re1 Ra2+ 44. Ke3 Nxf3 45. Rd1 Ke5 46. c4 Ra3+ 47. Kf2 Be4 48. Rd8 Kf4 49. f6 Ra2+ 50. Be2 Ne5 51. f7 Nxf7 52. Rf8 Bg6 0-1

[Event "Sao Paulo Freitas Memorial"]
[Site "Sao Paulo"]
[Date "2015.10.10"]
[Round "1"]
[White "De Sousa, Matheus Mazim"]
[Black "Karki, DB."]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "2129"]
[BlackElo "1639"]
[PlyCount "73"]
[EventDate "2015.10.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. d4 Nc6 2. e4 e6 3. Nf3 Nge7 4. d5 exd5 5. exd5 Nb4 6. c4 Ng6 7. a3 Na6 8. h4 Be7 9. g3 0-0 10. Bd3 d6 11. Ng5 h6 12. Nxf7 Rxf7 13. Bxg6 Rf6 14. h5 Nc5 15. b4 Nd7 16. Bb2 Ne5 17. Bxe5 dxe5 18. Qe2 a5 19. bxa5 Rxa5 20. 0-0 c6 21. Nc3 Rxa3 22. Rxa3 Bxa3 23. Qxe5 Bb2 24. Qe3 Qf8 25. Ne4 Rf3 26. Qb6 cxd5 27. Nd2 Rf6 28. Qxb2 dxc4 29. Nxc4 Bh3 30. Re1 Qc8 31. Re8+ Qxe8 32. Bxe8 Be6 33. Ne5 Kf8 34. Qxb7 Kxe8 35. Qxg7 Rf8 36. Qxh6 Bd5 37. Qd6 1-0

[Event "Sao Paulo Freitas Memorial"]
[Site "Sao Paulo"]
[Date "2015.10.10"]
[Round "2"]
[White "Moyses Fo, Joao"]
[Black "De Sousa, Matheus Mazim"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "2092"]
[BlackElo "2129"]
[PlyCount "129"]
[EventDate "2015.10.10"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 168 Extra"]
[Source "ChessBase"]
[SourceDate "2015.10.29"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.29"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 Nf6 6. 0-0 0-0 7. d3 b6 8. Nh4 e6 9. f4 d5 10. e5 Ne8 11. Nf3 f6 12. Re1 Nc7 13. a4 a6 14. exf6 Bxf6 15. Ne2 b5 16. d4 bxa4 17. Rxa4 Nb5 18. c3 cxd4 19. Nexd4 Ncxd4 20. cxd4 Bd7 21. Ne5 Be8 22. Bh3 Qb6 23. Be3 Na7 24. Ra1 Bb5 25. Bf2 Rfe8 26. Qg4 Bxe5 27. Rxe5 Bd7 28. Rae1 Qd6 29. Rg5 Re7 30. Qe2 Nc6 31. Qc2 Rb8 32. Bf1 a5 33. Qb1 Qb4 34. Bd3 Nxd4 35. Kg2 Nf5 36. h4 Rg7 37. h5 Qxb2 38. Qd1 a4 39. hxg6 hxg6 40. g4 Ne7 41. f5 gxf5 42. Rxg7+ Qxg7 43. Rg1 a3 44. Qa1 Qxa1 45. Rxa1 Rb3 46. Be2 Nc6 47. gxf5 e5 48. Bd1 Rd3 49. Ba4 Nb8 50. Bc2 Rd2 51. Bb3 Bxf5 52. Rxa3 Nd7 53. Kf1 Be6 54. Ba4 Nf6 55. Bd1 Rb2 56. Rf3 Ne4 57. Rb3 Ra2 58. Rb8+ Kf7 59. Be1 Kf6 60. Bh4+ Kf5 61. Bh5 Kf4 62. Rf8+ Ke3 63. Rf3+ Kd4 64. Rf8 Rh2 65. Bf2+ 0-1

[Event "Sao Paulo op-A 3rd"]
[Site "Sao Paulo"]
[Date "2015.09.20"]
[Round "6"]
[White "De Sousa, Matheus Mazim"]
[Black "Hoshino, Karen M"]
[Result "1-0"]
[ECO "D27"]
[WhiteElo "2075"]
[BlackElo "1808"]
[PlyCount "47"]
[EventDate "2015.09.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e3 Nf6 4. Bxc4 e6 5. Nf3 c5 6. 0-0 Nc6 7. Nc3 a6 8. dxc5 Bxc5 9. Qxd8+ Kxd8 10. a3 b5 11. Be2 Ke7 12. b4 Bb6 13. a4 bxa4 14. Nxa4 Bc7 15. Nc5 a5 16. b5 Ne5 17. Ba3 Ke8 18. b6 Bd6 19. Nxe5 Bxe5 20. Bb5+ Bd7 21. Nxd7 Nxd7 22. Rad1 Rd8 23. Rxd7 Rxd7 24. Rd1 1-0

[Event "Sao Paulo op-A 3rd"]
[Site "Sao Paulo"]
[Date "2015.09.20"]
[Round "5"]
[White "Do Prado, Hamilton Mesquita"]
[Black "De Sousa, Matheus Mazim"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1672"]
[BlackElo "2075"]
[PlyCount "66"]
[EventDate "2015.09.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c6 3. c3 Nd7 4. e3 Qb6 5. Qb3 Qxb3 6. axb3 f6 7. Nf3 g6 8. h3 Bg7 9. b4 e5 10. dxe5 fxe5 11. Bg3 Ne7 12. Nbd2 0-0 13. Be2 Nf5 14. Bh2 Re8 15. 0-0 Bh6 16. Rfe1 e4 17. Nd4 Nxe3 18. N2b3 Nf5 19. Ra2 Nxd4 20. cxd4 Bf8 21. b5 c5 22. Rea1 c4 23. Nd2 Bg7 24. Rxa7 Rxa7 25. Rxa7 Bxd4 26. Ra2 Nc5 27. Nf1 Nd3 28. Bxd3 exd3 29. Bf4 Bf5 30. Ne3 d2 31. Ra1 Bxb2 32. Rd1 c3 33. Kh2 d4 0-1

[Event "Sao Paulo op-A 3rd"]
[Site "Sao Paulo"]
[Date "2015.09.19"]
[Round "3"]
[White "Carstens Dobuchak, Thiago"]
[Black "De Sousa, Matheus Mazim"]
[Result "1/2-1/2"]
[ECO "B56"]
[WhiteElo "2010"]
[BlackElo "2075"]
[PlyCount "119"]
[EventDate "2015.09.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. f3 Qb6 7. Nb3 e6 8. Bg5 h6 9. Bh4 a6 10. Qd2 Qc7 11. 0-0-0 b5 12. Bxb5 axb5 13. Nxb5 Qb8 14. Nxd6+ Bxd6 15. Qxd6 Qxd6 16. Rxd6 Ne5 17. Rhd1 0-0 18. Kb1 Nc4 19. Rd8 Bb7 20. Rxf8+ Kxf8 21. Nc5 Bc6 22. b3 g5 23. Bf2 Na3+ 24. Kb2 Nxc2 25. Nd3 Nxe4 26. fxe4 Bxe4 27. Kxc2 Rxa2+ 28. Kc3 Bxg2 29. Bc5+ Kg7 30. Bd6 f5 31. b4 Bd5 32. b5 f4 33. Nb4 Ra3+ 34. Kd4 Bb7 35. Kc5 h5 36. Kb6 Be4 37. Rd2 h4 38. Rb2 Kg6 39. Nc6 Rc3 40. Kc7 f3 41. Kd7 g4 42. Nd8 Rc2 43. Rxc2 Bxc2 44. b6 Ba4+ 45. Kc8 Bb5 46. Kc7 Ba6 47. Nxe6 f2 48. Nc5 f1Q 49. Nxa6 Qxa6 50. b7 Qa7 51. Kc6 Qa4+ 52. Kb6 Qb3+ 53. Kc6 Qc2+ 54. Kd7 Qa4+ 55. Kc7 Qa5+ 56. Kc6 Qc3+ 57. Kd7 Qg7+ 58. Kc6 Qc3+ 59. Kd7 Qg7+ 60. Kc6 1/2-1/2

[Event "Sao Paulo op-A 3rd"]
[Site "Sao Paulo"]
[Date "2015.09.19"]
[Round "4"]
[White "De Sousa, Matheus Mazim"]
[Black "Borges, Guilherme Deola"]
[Result "0-1"]
[ECO "E81"]
[WhiteElo "2075"]
[BlackElo "2153"]
[PlyCount "78"]
[EventDate "2015.09.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Nge2 Nbd7 7. Ng3 c6 8. Be3 a6 9. a4 e5 10. d5 c5 11. Bd3 Ne8 12. Qc2 Qh4 13. 0-0-0 Bh6 14. Bxh6 Qxh6+ 15. Kb1 Qh4 16. Nge2 Ng7 17. g3 Qe7 18. g4 h6 19. h4 b5 20. cxb5 axb5 21. Bxb5 Nb6 22. Rdg1 Bd7 23. Qc1 Kh7 24. f4 Nxa4 25. Bxa4 Bxa4 26. fxe5 Bb3 27. Qe3 Qxe5 28. Qf4 Qe7 29. Rf1 Qa7 30. Kc1 Qa1+ 31. Kd2 Qxb2+ 32. Ke3 Bc4 33. Rb1 Qc2 34. Ra1 Rab8 35. Rac1 Qd3+ 36. Kf2 f5 37. exf5 Nxf5 38. Ke1 Rbe8 39. Qd2 Qg3+ 0-1

[Event "Sao Paulo op-A 3rd"]
[Site "Sao Paulo"]
[Date "2015.09.18"]
[Round "2"]
[White "De Sousa, Matheus Mazim"]
[Black "Cunha, Lucas Aguiar"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "2075"]
[BlackElo "2278"]
[PlyCount "72"]
[EventDate "2015.09.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bf4 Bf5 4. Nf3 e6 5. Nh4 Nbd7 6. Nxf5 exf5 7. Qd3 Bb4 8. Qxf5 Ne4 9. a3 Bxc3+ 10. bxc3 c6 11. f3 Qa5 12. Bd2 Nxd2 13. Kxd2 g6 14. Qg5 Nb6 15. e4 Na4 16. Qe3 dxe4 17. fxe4 0-0-0 18. Bc4 b5 19. Bb3 Nxc3 20. Kc1 Rxd4 21. Kb2 Na4+ 22. Bxa4 Qxa4 23. Rad1 Rhd8 24. Rd3 Rxd3 25. cxd3 b4 26. axb4 Qxb4+ 27. Kc2 Qa4+ 28. Kc3 Qa3+ 29. Kc2 c5 30. Qh3+ Rd7 31. Rb1 Qa4+ 32. Rb3 f5 33. exf5 Rxd3 34. Qxd3 c4 35. Qd2 cxb3+ 36. Kd1 b2+ 0-1

[Event "Sao Paulo op-A 3rd"]
[Site "Sao Paulo"]
[Date "2015.09.17"]
[Round "1"]
[White "Cruz, William Ferreira Da"]
[Black "De Sousa, Matheus Mazim"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "2254"]
[BlackElo "2075"]
[PlyCount "160"]
[EventDate "2015.09.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Bd2 Qxd4 7. Bxb4 Qxe4+ 8. Ne2 Na6 9. Bf8 Ne7 10. Bxg7 Rg8 11. Qd4 Qxd4 12. Bxd4 Nf5 13. Bc3 b6 14. Ng3 Nd6 15. 0-0-0 Ke7 16. Bd3 Nc5 17. Bxh7 Rg4 18. Bc2 Rxc4 19. h4 Nce4 20. Nxe4 Nxe4 21. Be1 Nf6 22. Kb1 Nd5 23. h5 Rg4 24. g3 a5 25. Rc1 Bb7 26. Bd1 Rd4 27. g4 c5 28. Rg1 f6 29. f3 Nf4 30. Bg3 e5 31. Bxf4 Rxf4 32. Rc3 Rg8 33. Rb3 Rb4 34. Kc2 Rxb3 35. Kxb3 Bd5+ 36. Kc3 b5 37. b3 b4+ 38. Kb2 Kf7 39. Be2 Rc8 40. Rc1 Ke6 41. Bd3 e4 42. fxe4 Bc6 43. h6 Rh8 44. Rh1 Ke5 45. h7 Kd4 46. Bc2 Be8 47. Rh6 a4 48. e5 a3+ 49. Kc1 Kxe5 50. Bd3 Bf7 51. Kd2 Be6 52. Rh5+ Kf4 53. Rxc5 Bxg4 54. Rc4+ Kg3 55. Rxb4 Rd8 56. Kc3 f5 57. Rb7 Kf4 58. Rg7 Rh8 59. Bc4 Ke5 60. Bg8 Bf3 61. Kd3 Be4+ 62. Ke2 Bd5 63. b4 Kf6 64. Rg1 Be4 65. b5 f4 66. b6 Bxh7 67. Bd5 Ke5 68. Bc6 Be4 69. Bxe4 Kxe4 70. Rb1 Rh2+ 71. Kd1 Rh1+ 72. Kc2 Rxb1 73. Kxb1 f3 74. b7 f2 75. b8Q f1Q+ 76. Kc2 Qc4+ 77. Kb1 Qd3+ 78. Ka1 Qc3+ 79. Kb1 Qe1+ 80. Kc2 Qe2+ 1/2-1/2

[Event "Sao Paulo Cordioli Memorial"]
[Site "Sao Paulo"]
[Date "2015.09.07"]
[Round "5"]
[White "De Sousa, Matheus Mazim"]
[Black "De Lima, Saulo da Silva Beze"]
[Result "1-0"]
[ECO "D18"]
[WhiteElo "2075"]
[BlackElo "2021"]
[PlyCount "81"]
[EventDate "2015.09.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 a5 8. 0-0 Bb4 9. Ne2 h6 10. Ng3 Bh7 11. Qb3 0-0 12. Bd2 Nd5 13. Bc3 Qe7 14. e4 Nc7 15. Rfe1 Nd7 16. d5 b5 17. Bxb4 axb4 18. axb5 Rxa1 19. Rxa1 cxb5 20. Bd3 Nc5 21. Qxb4 exd5 22. Re1 N7a6 23. Qd4 dxe4 24. Bxb5 Rd8 25. Qc4 Nc7 26. Nd4 Rxd4 27. Qxd4 Nxb5 28. Qc4 Nc7 29. b4 N5a6 30. b5 Qb4 31. Qxb4 Nxb4 32. b6 Nca6 33. Nxe4 Bxe4 34. Rxe4 Kf8 35. Rc4 Ke7 36. b7 Nd5 37. Rc6 Ndb4 38. Rb6 Kd7 39. Rxb4 Kc7 40. Rb5 Kb8 41. Re5 1-0

[Event "Sao Paulo Cordioli Memorial"]
[Site "Sao Paulo"]
[Date "2015.09.07"]
[Round "6"]
[White "Rodrigues, Leonardo De Miranda"]
[Black "De Sousa, Matheus Mazim"]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "2178"]
[BlackElo "2075"]
[PlyCount "72"]
[EventDate "2015.09.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. b3 d6 2. Bb2 e5 3. e3 g6 4. d4 Bg7 5. dxe5 Nd7 6. Nf3 Nxe5 7. Nxe5 Bxe5 8. Bxe5 dxe5 9. Qxd8+ Kxd8 10. Nc3 Nf6 11. Rd1+ Ke7 12. Bd3 a6 13. 0-0 Bd7 14. f4 Bc6 15. Bc4 e4 16. Rd4 Rhd8 17. Rfd1 Rxd4 18. Rxd4 b5 19. Be2 Rd8 20. Rxd8 Kxd8 21. a3 Nd5 22. Nxd5 Bxd5 23. b4 Ke7 24. Kf2 Ke6 25. Ke1 c5 26. Kd2 Kd6 27. Kc3 Bc6 28. Bg4 f5 29. Be2 h5 30. Kb3 c4+ 31. Kc3 Kd5 32. Kd2 Be8 33. c3 Ke6 34. Ke1 Kf6 35. Kf2 g5 36. g3 g4 1/2-1/2

[Event "Sao Paulo Cordioli Memorial"]
[Site "Sao Paulo"]
[Date "2015.09.06"]
[Round "3"]
[White "De Sousa, Matheus Mazim"]
[Black "Gallo Ponce, Elbert"]
[Result "1-0"]
[ECO "A46"]
[WhiteElo "2075"]
[BlackElo "2242"]
[PlyCount "121"]
[EventDate "2015.09.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 e6 3. e4 h6 4. Bxf6 Qxf6 5. Nf3 d6 6. Nbd2 Nd7 7. Be2 g6 8. Nc4 Qe7 9. Qd2 Bg7 10. Ne3 b6 11. c3 Bb7 12. Qc2 a6 13. Nd2 e5 14. d5 h5 15. g3 Bh6 16. Ng2 c6 17. dxc6 Bxc6 18. Rd1 Nc5 19. 0-0 Bxd2 20. Qxd2 Nxe4 21. Qd3 0-0 22. f3 Ng5 23. h4 e4 24. Qe3 Ne6 25. Qxb6 exf3 26. Bxf3 Bxf3 27. Rxf3 Rfb8 28. Qf2 Nc5 29. Nf4 Ne4 30. Qc2 Kg7 31. b3 a5 32. Nd3 Rc8 33. Nf2 d5 34. Rxd5 Nxc3 35. Qb2 Kg8 36. Rdd3 Qe1+ 37. Kg2 Nb5 38. Qf6 Ra7 39. Rd8+ Rxd8 40. Qxd8+ Kh7 41. Qd5 Qb4 42. Rxf7+ Rxf7 43. Qxf7+ Kh6 44. Qf4+ Qxf4 45. gxf4 Nc3 46. a4 Ne2 47. Nd3 Nd4 48. b4 axb4 49. Nxb4 Kg7 50. a5 Kf6 51. a6 Nb5 52. Nc6 Nc7 53. a7 Kf5 54. Kf3 Ke6 55. Nb4 Kd6 56. Ke4 Na8 57. Nd5 Ke6 58. Kd4 Kf5 59. Kc5 Kg4 60. Kc6 Kxh4 61. Kb7 1-0

[Event "Sao Paulo Cordioli Memorial"]
[Site "Sao Paulo"]
[Date "2015.09.06"]
[Round "4"]
[White "Proudian, Armen"]
[Black "De Sousa, Matheus Mazim"]
[Result "1-0"]
[ECO "B35"]
[WhiteElo "2394"]
[BlackElo "2075"]
[PlyCount "67"]
[EventDate "2015.09.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. Bb3 Na5 9. e5 Ne8 10. Bxf7+ Kxf7 11. Ne6 dxe6 12. Qxd8 Nc6 13. Qd2 Nxe5 14. Bh6 Nf6 15. Bxg7 Kxg7 16. 0-0-0 b6 17. Qe2 Nc6 18. h4 a5 19. f3 a4 20. Ne4 a3 21. b3 Ba6 22. Qe1 Rfc8 23. Nxf6 Kxf6 24. h5 e5 25. hxg6 hxg6 26. Qh4+ Kf7 27. Qh7+ Kf6 28. g4 Nd4 29. g5+ Ke6 30. Qxg6+ Kd7 31. Qf5+ e6 32. Qxe5 Rxc2+ 33. Kb1 Rb2+ 34. Ka1 1-0

[Event "Sao Paulo Cordioli Memorial"]
[Site "Sao Paulo"]
[Date "2015.09.05"]
[Round "1"]
[White "De Sousa, Matheus Mazim"]
[Black "Belfort Mattos, Jose N"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "2075"]
[BlackElo "1538"]
[PlyCount "57"]
[EventDate "2015.09.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. e3 Be7 6. Bd3 0-0 7. e4 dxc4 8. Bxc4 b5 9. Bd3 b4 10. Na4 Ba6 11. 0-0 Bxd3 12. Qxd3 c5 13. e5 Nd5 14. Nxc5 Nc6 15. Rd1 Qc7 16. Ne4 Rfd8 17. Bg5 f6 18. exf6 gxf6 19. Bh4 Rac8 20. Rac1 Qb6 21. Kh1 a5 22. h3 Kh8 23. Nc5 e5 24. Ne6 Rd7 25. Qf5 Rg8 26. dxe5 fxe5 27. Rxc6 Qxc6 28. Nxe5 Ne3 29. Nf7# 1-0

[Event "Sao Paulo Cordioli Memorial"]
[Site "Sao Paulo"]
[Date "2015.09.05"]
[Round "2"]
[White "Moura de Lima, Wilian Rither De"]
[Black "De Sousa, Matheus Mazim"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1960"]
[BlackElo "2075"]
[PlyCount "52"]
[EventDate "2015.09.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Bf5 6. Be3 cxd4 7. cxd4 Bxb1 8. Qxb1 e5 9. Bd3 Bb4+ 10. Kf1 exd4 11. Bd2 Bxd2 12. Nxd2 Ne5 13. Qe1 Ne7 14. Be4 Qb5+ 15. Kg1 0-0 16. a4 Qxb2 17. Rb1 Qc3 18. Rb3 Qc7 19. Rxb7 Qd6 20. Rb5 N7c6 21. f4 Ng4 22. Qh4 Nf6 23. Rg5 Rfe8 24. Nc4 Qe6 25. Qg3 Nxe4 26. Rxg7+ Kh8 0-1

[Event "Paulista-chTB"]
[Site "Sao Paulo"]
[Date "2015.03.07"]
[Round "5.4"]
[White "De Sousa, Matheus Mazim"]
[Black "De Mendonca, Mateus Nakajo"]
[Result "0-1"]
[ECO "C15"]
[WhiteElo "2151"]
[BlackElo "2296"]
[PlyCount "58"]
[EventDate "2015.02.28"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Sao Jose Em Cima da Hora"]
[BlackTeam "Hebraica"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. d4 e6 2. e4 d5 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 dxe4 6. Qg4 Nf6 7. Qh4 c5 8. Ne2 Nc6 9. Bg5 cxd4 10. Bxf6 Qxf6 11. Qxf6 gxf6 12. cxd4 Ke7 13. c3 Bd7 14. g4 Rag8 15. h3 h5 16. gxh5 Rxh5 17. Ng3 Rh4 18. Rb1 Na5 19. Bb5 b6 20. c4 Bxb5 21. cxb5 Rd8 22. Rb4 Rc8 23. Kd2 f5 24. a4 Nc4+ 25. Ke2 Nd6 26. Rd1 Rc2+ 27. Rd2 Rxd2+ 28. Kxd2 Rxh3 29. Ke2 f4 0-1

[Event "Paulista-chTB"]
[Site "Sao Paulo"]
[Date "2015.03.07"]
[Round "6.4"]
[White "Supi, Luis Paulo"]
[Black "De Sousa, Matheus Mazim"]
[Result "1/2-1/2"]
[ECO "E60"]
[WhiteElo "2306"]
[BlackElo "2151"]
[PlyCount "108"]
[EventDate "2015.02.28"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Rio Preto SMEL"]
[BlackTeam "Sao Jose Em Cima da Hora"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. Nf3 Nf6 2. c4 g6 3. b3 Bg7 4. Bb2 0-0 5. g3 d6 6. d4 c5 7. Bg2 Nc6 8. d5 Nb8 9. 0-0 e5 10. dxe6 fxe6 11. Nc3 a6 12. Qd2 Qc7 13. Rad1 Rd8 14. Ng5 Nc6 15. Nce4 Ne8 16. f4 h6 17. Nf3 d5 18. cxd5 Rxd5 19. Qc1 Nd4 20. Nc3 Rd8 21. e3 Nf5 22. g4 Ne7 23. Rxd8 Qxd8 24. Ne4 Bxb2 25. Qxb2 Qc7 26. Nf6+ Nxf6 27. Qxf6 Nd5 28. Qxg6+ Qg7 29. Qe8+ Qf8 30. Qxf8+ Kxf8 31. Kf2 Bd7 32. Ne5 Bb5 33. Rc1 Rc8 34. a4 Be8 35. a5 Bb5 36. Rd1 Bc6 37. Nxc6 bxc6 38. Re1 Ke7 39. Bf1 Rb8 40. Bc4 Kd6 41. Rd1 Ke7 42. Kf3 Nc3 43. Rd3 Nb5 44. h4 Nd6 45. e4 Nxc4 46. bxc4 Rb4 47. Rc3 Rb1 48. g5 h5 49. f5 Rf1+ 50. Kg2 Rf4 51. f6+ Kf7 52. Rf3 Rg4+ 53. Rg3 Rxg3+ 54. Kxg3 e5 1/2-1/2

[Event "Paulista-chTB"]
[Site "Sao Paulo"]
[Date "2015.02.28"]
[Round "1.4"]
[White "Aranha Filho, Alvaro Zimmermann"]
[Black "De Sousa, Matheus Mazim"]
[Result "1-0"]
[ECO "D90"]
[WhiteElo "2314"]
[BlackElo "2151"]
[PlyCount "87"]
[EventDate "2015.02.28"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Circulo Militar"]
[BlackTeam "Sao Jose Em Cima da Hora"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 g6 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 Bg7 8. Bc4 0-0 9. h3 b5 10. Bb3 Bb7 11. e5 c5 12. 0-0 b4 13. d5 bxc3 14. Bg5 h6 15. Bh4 g5 16. Bg3 Nd7 17. Qd3 c4 18. Bxc4 Nb6 19. Bb3 Nxd5 20. Rad1 Nf4 21. Qe3 Qa5 22. Bxf4 gxf4 23. Qxf4 Bxf3 24. Qxf3 Qxe5 25. Rd5 Qc7 26. Rfd1 e6 27. Rd7 Qa5 28. Rxf7 Rad8 29. Rxd8 Qxd8 30. Bxe6 Rxf7 31. Qxf7+ Kh8 32. Bb3 a5 33. Qf5 Qe7 34. g3 Qa3 35. Bc2 Kg8 36. Qe6+ Kh8 37. Qe8+ Bf8 38. Qe5+ Bg7 39. Qf5 Kg8 40. Bb3+ Kh8 41. Kg2 Qb2 42. Qc8+ Kh7 43. Qg8+ Kg6 44. Qe8+ 1-0

[Event "Paulista-chTB"]
[Site "Sao Paulo"]
[Date "2015.02.28"]
[Round "2.4"]
[White "De Sousa, Matheus Mazim"]
[Black "Garkauskas, Otto Dmitry"]
[Result "1/2-1/2"]
[ECO "A94"]
[WhiteElo "2151"]
[BlackElo "2146"]
[PlyCount "24"]
[EventDate "2015.02.28"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]
[WhiteTeam "Sao Jose Em Cima da Hora"]
[BlackTeam "Sao Jose CDR A"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. d4 d5 2. c4 c6 3. Nf3 e6 4. g3 f5 5. Bg2 Nf6 6. 0-0 Bd6 7. b3 0-0 8. Ba3 Bxa3 9. Nxa3 Qe7 10. Nc2 b6 11. Nfe1 Bb7 12. Nd3 Nbd7 1/2-1/2

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2014.03.04"]
[Round "7"]
[White "De Sousa, Matheus Mazim"]
[Black "Peres, Jefferson Silva Dos"]
[Result "1/2-1/2"]
[ECO "A88"]
[WhiteElo "2064"]
[BlackElo "1890"]
[PlyCount "131"]
[EventDate "2014.03.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nc3 d6 6. Nf3 0-0 7. 0-0 c6 8. d5 e5 9. dxc6 bxc6 10. b3 Re8 11. Bb2 Bb7 12. Na4 Na6 13. Rc1 e4 14. Nd4 Bh6 15. e3 Nb4 16. Ba3 Nd3 17. Rc3 Ng4 18. Nc2 Bg7 19. Rxd3 exd3 20. Qxd3 Bf8 21. Rd1 Ne5 22. Qc3 Qc7 23. f4 Nf7 24. Bb2 Rad8 25. h4 c5 26. h5 Bxg2 27. hxg6 hxg6 28. Qf6 Ne5 29. Kxg2 Bg7 30. Qg5 Ng4 31. Qxg6 Nxe3+ 32. Nxe3 Rxe3 33. Rd5 Re2+ 34. Kf3 Rde8 35. Be5 R2xe5 36. fxe5 Rxe5 37. Qxd6 Qxd6 38. Rxd6 Re1 39. Nxc5 Rf1+ 40. Ke2 Rg1 41. Kf3 Rxg3+ 42. Kxg3 Be5+ 43. Kf3 Bxd6 44. Nd3 Kf7 45. Ke3 Ke6 46. Kd4 a5 47. c5 Bc7 48. a3 Kd7 49. b4 Kc6 50. Kc4 axb4 51. axb4 f4 52. Ne1 Bd8 53. Nf3 Bf6 54. b5+ Kb7 55. Kd5 Be7 56. c6+ Kb6 57. Ke6 Bd8 58. Kd7 Bc7 59. Nd2 Bb8 60. Kc8 Kxb5 61. Kb7 Be5 62. Nf3 Bd6 63. Nd4+ Kc4 64. Nf5 Be5 65. Nh4 Kd3 66. Ng6 1/2-1/2

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2014.03.03"]
[Round "5"]
[White "Moura de Lima, Wilian Rither De"]
[Black "De Sousa, Matheus Mazim"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1957"]
[BlackElo "2064"]
[PlyCount "96"]
[EventDate "2014.03.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 Nc6 6. cxd4 d6 7. Bc4 Nb6 8. Bb5 dxe5 9. Nxe5 Bd7 10. Nxd7 Qxd7 11. Nc3 e6 12. 0-0 Be7 13. Qg4 0-0 14. Bxc6 bxc6 15. Bh6 Bf6 16. Rad1 Kh8 17. Ne4 Qe7 18. Bf4 Rfd8 19. Be5 Bxe5 20. dxe5 Nc4 21. Qh5 g6 22. Qh6 Nxe5 23. Qf4 Nd3 24. Qg3 Rd4 25. Rxd3 Rxe4 26. Qf3 f5 27. h3 Rc8 28. a3 Re5 29. Rc3 Rd5 30. Re1 Qd6 31. Rec1 e5 32. b4 e4 33. Qe3 Rd1+ 34. Rxd1 Qxd1+ 35. Kh2 Qd6+ 36. Kg1 Rc7 37. Rc5 Kg7 38. Qc1 a6 39. Qc4 Qd1+ 40. Kh2 Qd2 41. Qe6 Rd7 42. Qe5+ Kh6 43. Rxc6 Qxf2 44. Rc1 e3 45. Qb8 e2 46. Qf8+ Kh5 47. Qe8 Qf4+ 48. g3 Qf2+ 0-1

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2014.03.03"]
[Round "6"]
[White "Nery Junior, Jose Antonio"]
[Black "De Sousa, Matheus Mazim"]
[Result "1/2-1/2"]
[ECO "B26"]
[WhiteElo "2071"]
[BlackElo "2064"]
[PlyCount "117"]
[EventDate "2014.03.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. Be3 d6 7. Nge2 Nge7 8. 0-0 0-0 9. Qd2 Nd4 10. Nd1 Nxe2+ 11. Qxe2 Rb8 12. Qd2 b6 13. Bh6 Nc6 14. Bxg7 Kxg7 15. f4 e5 16. Ne3 Bb7 17. f5 f6 18. fxg6 hxg6 19. Rf2 Qd7 20. Raf1 Ne7 21. h3 d5 22. Ng4 Ng8 23. Qe2 dxe4 24. Bxe4 Bxe4 25. dxe4 Rbd8 26. Qa6 Qc7 27. c3 c4 28. Ne3 Rd3 29. Nd5 Qc8 30. Qxc8 Rxc8 31. Nxf6 Rxg3+ 32. Kh2 Nxf6 33. Rxf6 Re3 34. Rf7+ Kh6 35. Rxa7 Rd8 36. Rf2 Rxe4 37. Rb7 Rd6 38. Rc7 Re6 39. Rd7 Re1 40. Kg2 Kg5 41. Rd8 Re4 42. Rd7 Rf4 43. Re2 e4 44. Rd5+ Rf5 45. Rd4 Kf4 46. Rxc4 Rg5+ 47. Kf2 Rh5 48. Re3 Rb5 49. b3 Rd5 50. Ke2 Rg5 51. Rf3+ Ke5 52. Re3 Kf4 53. Rf3+ Ke5 54. Re3 Kf5 55. Kf2 Kf4 56. Rf3+ Ke5 57. Re3 Kf4 58. Rf3+ Ke5 59. Re3 1/2-1/2

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2014.03.02"]
[Round "4"]
[White "De Sousa, Matheus Mazim"]
[Black "Damasceno Gomes, Orlando"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "2064"]
[BlackElo "1930"]
[PlyCount "53"]
[EventDate "2014.03.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. e3 Nbd7 6. Bd3 Bd6 7. e4 dxe4 8. Nxe4 Nxe4 9. Bxe4 Nf6 10. Bc2 Qc7 11. 0-0 Bd7 12. a3 Ng4 13. h3 Bh2+ 14. Kh1 h5 15. Qe2 Bf4 16. g3 Bxc1 17. Raxc1 0-0-0 18. hxg4 hxg4+ 19. Nh2 f5 20. Kg2 Rh6 21. Rh1 Rdh8 22. Nxg4 fxg4 23. Rxh6 Rxh6 24. Qxg4 e5 25. Bf5 exd4 26. Qxg7 Rd6 27. Qf8+ 1-0

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2014.03.02"]
[Round "3"]
[White "Dornelles, Marcio Neron Camarg"]
[Black "De Sousa, Matheus Mazim"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "1936"]
[BlackElo "2064"]
[PlyCount "80"]
[EventDate "2014.03.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 Be7 7. Qc2 h6 8. Bh4 Ne4 9. Bxe7 Qxe7 10. Nxd5 cxd5 11. Qxc8+ Qd8 12. Bb5+ Nc6 13. Qxd8+ Kxd8 14. Bxc6 bxc6 15. Rc1 Kd7 16. Nf3 f6 17. Nd2 Nd6 18. 0-0 Rab8 19. Rc2 Rb6 20. Rfc1 Rhb8 21. b3 Rc8 22. Nf3 a5 23. Ne1 a4 24. bxa4 Ra8 25. Nd3 Nc4 26. Nc5+ Kd6 27. g3 Nb2 28. Rb1 Nxa4 29. Rxb6 Nxb6 30. Rb2 Na4 31. Nxa4 Rxa4 32. Rc2 g5 33. Kf1 Rb4 34. Ke2 Rb1 35. Kf3 Rh1 36. Kg2 Ra1 37. h3 h5 38. Kf3 Rh1 39. Kg2 Ra1 40. Kf3 Rh1 1/2-1/2

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2014.03.01"]
[Round "1"]
[White "Andor, Jorge"]
[Black "De Sousa, Matheus Mazim"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "1801"]
[BlackElo "2064"]
[PlyCount "38"]
[EventDate "2014.03.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. b3 d5 2. Bb2 c5 3. e3 Nd7 4. Nf3 Ngf6 5. Bb5 Qb6 6. c4 a6 7. Bxd7+ Bxd7 8. Ne5 dxc4 9. Nxc4 Qc7 10. d4 e6 11. Ne5 cxd4 12. Nxd7 Bb4+ 13. Nd2 Ne4 14. 0-0 Nxd2 15. a3 Bc3 16. Rc1 Qxd7 17. Bxc3 dxc3 18. Rxc3 Nxf1 19. Rd3 Nxe3 0-1

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2014.03.01"]
[Round "2"]
[White "De Sousa, Matheus Mazim"]
[Black "Cirilo, Guilherme de Araujo"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "2064"]
[BlackElo "1915"]
[PlyCount "65"]
[EventDate "2014.03.01"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. cxd5 exd5 5. Nf3 Bd6 6. Bg5 Ne7 7. e3 f6 8. Bh4 Bf5 9. Bd3 Nd7 10. Bg3 Nb6 11. 0-0 0-0 12. Qc2 Bxg3 13. Bxf5 Nxf5 14. hxg3 Qd7 15. a3 Nc4 16. Rfe1 Rfe8 17. Nd2 Nxd2 18. Qxd2 Nd6 19. a4 a5 20. Reb1 Qg4 21. b4 Nc4 22. Qd3 axb4 23. Rxb4 b5 24. Rab1 bxa4 25. Nxa4 Qg5 26. Nb6 Ra3 27. Qe2 Nd6 28. Qc2 Nf5 29. Ra4 Nxe3 30. Qxc6 Qg6 31. Re1 Rd3 32. fxe3 h6 33. Qxe8+ 1-0

[Event "Sao Bernardo do Campo LXSBC fin-B 5th"]
[Site "Sao Bernardo do Campo"]
[Date "2014.01.26"]
[Round "9"]
[White "De Sousa, Matheus Mazim"]
[Black "Moura de Lima, Wilian Rither De"]
[Result "1/2-1/2"]
[ECO "D15"]
[WhiteElo "2042"]
[BlackElo "1928"]
[PlyCount "27"]
[EventDate "2014.01.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. d4 c6 2. c4 d5 3. Nc3 Nf6 4. Nf3 a6 5. e3 b5 6. cxd5 cxd5 7. Bd3 Bg4 8. 0-0 e6 9. a3 Be7 10. h3 Bxf3 11. Qxf3 Nc6 12. b4 0-0 13. Bb2 Rc8 14. Rfd1 1/2-1/2

[Event "Sao Bernardo do Campo LXSBC fin-B 5th"]
[Site "Sao Bernardo do Campo"]
[Date "2014.01.26"]
[Round "8"]
[White "Ikejiri, Daniel Yoshito"]
[Black "De Sousa, Matheus Mazim"]
[Result "1/2-1/2"]
[ECO "B39"]
[WhiteElo "1892"]
[BlackElo "2042"]
[PlyCount "83"]
[EventDate "2014.01.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[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 Ne6 10. Be2 Bxc3+ 11. bxc3 0-0 12. 0-0 d6 13. f4 Qa5 14. f5 Ng7 15. fxg6 hxg6 16. Qd2 Be6 17. Bd4 f6 18. Rab1 Qc7 19. Rb5 Bd7 20. Rb2 Bc6 21. Bd3 e5 22. Be3 f5 23. exf5 gxf5 24. Bh6 f4 25. Qe2 Qd7 26. Be4 Qe6 27. Bxg7 Kxg7 28. Bxc6 bxc6 29. Rb7+ Rf7 30. Rfb1 Raf8 31. Qf3 d5 32. cxd5 cxd5 33. Qh5 Qf6 34. Qg4+ Qg6 35. Qf3 d4 36. cxd4 exd4 37. R1b5 Rxb7 38. Rxb7+ Rf7 39. Rxf7+ Qxf7 40. Qg4+ Kf8 41. Qc8+ Kg7 42. Qg4+ 1/2-1/2

[Event "Sao Bernardo do Campo LXSBC fin-B 5th"]
[Site "Sao Bernardo do Campo"]
[Date "2014.01.25"]
[Round "7"]
[White "De Sousa, Matheus Mazim"]
[Black "Caporale, Giuseppe Guido"]
[Result "1-0"]
[ECO "A88"]
[WhiteElo "2042"]
[BlackElo "1728"]
[PlyCount "68"]
[EventDate "2014.01.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. g3 0-0 6. Bg2 d6 7. 0-0 c6 8. b3 Qe8 9. Ba3 Na6 10. Rc1 Bd7 11. d5 c5 12. Qc2 Nc7 13. Bb2 Rd8 14. Rcd1 h6 15. Nh4 Kh7 16. e4 Ng4 17. h3 Ne5 18. f4 Nf7 19. exf5 gxf5 20. Nxf5 Bxf5 21. Qxf5+ Kg8 22. Qg6 Nh8 23. Qg4 Qg6 24. Qxg6 Nxg6 25. Na4 Bxb2 26. Nxb2 Rf6 27. Rde1 Rdf8 28. Re3 R8f7 29. Rfe1 Kf8 30. Nd3 Ne8 31. Nf2 Ng7 32. Ng4 Nf5 33. Rd3 Kg7 34. Nxf6 Rxf6 1-0

[Event "Sao Bernardo do Campo LXSBC fin-B 5th"]
[Site "Sao Bernardo do Campo"]
[Date "2014.01.25"]
[Round "6"]
[White "Fernandes de Sousa, Julio Cesar"]
[Black "De Sousa, Matheus Mazim"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "2070"]
[BlackElo "2042"]
[PlyCount "42"]
[EventDate "2014.01.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nf6 4. f4 Nd4 5. e5 Nxb5 6. Nxb5 Nd5 7. Qf3 Qb6 8. c4 Nb4 9. Na3 Qc6 10. Qe2 d5 11. exd6 Qxd6 12. d4 Qxd4 13. Nb5 Nd3+ 14. Kf1 Nxc1 15. Nxd4 Nxe2 16. Nb5 Nd4 17. Nc7+ Kd7 18. Nxa8 g6 19. h4 Bg7 20. Rh3 Kc6 21. Ra3 Nc2 0-1

[Event "Sao Bernardo do Campo LXSBC fin-B 5th"]
[Site "Sao Bernardo do Campo"]
[Date "2014.01.24"]
[Round "5"]
[White "De Sousa, Matheus Mazim"]
[Black "Ribeiro, Marcos Willian de S"]
[Result "1/2-1/2"]
[ECO "A88"]
[WhiteElo "2042"]
[BlackElo "1934"]
[PlyCount "136"]
[EventDate "2014.01.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. g3 g6 4. Bg2 Bg7 5. Nc3 d6 6. Nf3 0-0 7. 0-0 c6 8. b3 Qa5 9. Bb2 Na6 10. a3 e5 11. Rc1 e4 12. Ne1 d5 13. b4 Qd8 14. cxd5 Nxd5 15. Nxd5 Qxd5 16. e3 Be6 17. Nd3 Qa2 18. Ra1 Qb3 19. Qxb3 Bxb3 20. Nc5 Nxc5 21. bxc5 b5 22. Bc3 Bd5 23. Ba5 Bf6 24. a4 a6 25. Bb6 Bd8 26. a5 g5 27. f3 exf3 28. Bxf3 Bxf3 29. Rxf3 g4 30. Rff1 Bg5 31. Kf2 Rae8 32. Rfe1 Re4 33. d5 cxd5 34. Rad1 Rfe8 35. Rxd5 Bxe3+ 36. Kf1 b4 37. c6 b3 38. Bxe3 b2 39. Rb1 Rxe3 40. Rxb2 Re1+ 41. Kg2 R1e2+ 42. Rxe2 Rxe2+ 43. Kf1 Rc2 44. Rxf5 Rxc6 45. Rg5+ Kf7 46. Rxg4 Rc2 47. Rf4+ Kg6 48. Rf2 Rc1+ 49. Kg2 Ra1 50. g4 Rxa5 51. Kg3 Ra3+ 52. Kh4 Ra4 53. Rb2 h6 54. Rb7 Ra2 55. h3 Ra4 56. Rc7 Ra5 57. Rc4 Ra3 58. Rc5 Ra4 59. Rc6+ Kg7 60. Rb6 Ra5 61. Rb3 Kg6 62. Kg3 Rb5 63. Ra3 a5 64. Kh4 Rc5 65. Rb3 Rc6 66. Kg3 a4 67. Ra3 Rc4 68. Kh4 Rb4 1/2-1/2

[Event "Sao Bernardo do Campo LXSBC fin-B 5th"]
[Site "Sao Bernardo do Campo"]
[Date "2014.01.19"]
[Round "3"]
[White "De Sousa, Matheus Mazim"]
[Black "Goncalves, Leonardo Yamamoto"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "2042"]
[BlackElo "1935"]
[PlyCount "41"]
[EventDate "2014.01.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. d4 d6 2. c4 Nd7 3. Nc3 e5 4. d5 Ngf6 5. e4 Be7 6. f3 c6 7. Be3 h6 8. Qd2 Qa5 9. Nge2 cxd5 10. cxd5 Nc5 11. Rb1 Qd8 12. Ng3 Nh7 13. Bb5+ Bd7 14. Bxc5 dxc5 15. d6 Bg5 16. Qd5 0-0 17. Bxd7 Qxd7 18. Qxe5 Rac8 19. Nf5 Bf6 20. Qg3 Kh8 21. Nd5 1-0

[Event "Sao Bernardo do Campo LXSBC fin-B 5th"]
[Site "Sao Bernardo do Campo"]
[Date "2014.01.19"]
[Round "4"]
[White "Dias, Joao Batista de Sou"]
[Black "De Sousa, Matheus Mazim"]
[Result "0-1"]
[ECO "B21"]
[WhiteElo "1973"]
[BlackElo "2042"]
[PlyCount "44"]
[EventDate "2014.01.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. e4 c5 2. f4 Nc6 3. Nf3 g6 4. c3 d5 5. exd5 Qxd5 6. Bb5 Bg7 7. 0-0 e6 8. Na3 Nge7 9. Nc2 0-0 10. Ne3 Qd6 11. Ng5 a6 12. Bxc6 Qxc6 13. b3 b5 14. Qg4 Bb7 15. Rf2 Rad8 16. Nxh7 Kxh7 17. Qh4+ Kg8 18. Qxe7 Rd3 19. Qh4 b4 20. Bb2 bxc3 21. Bxc3 Bxc3 22. dxc3 Rxe3 0-1

[Event "Sao Bernardo do Campo LXSBC fin-B 5th"]
[Site "Sao Bernardo do Campo"]
[Date "2014.01.18"]
[Round "2"]
[White "Cadilhac, Igor Tokuichi Kikuc"]
[Black "De Sousa, Matheus Mazim"]
[Result "0-1"]
[ECO "B39"]
[WhiteElo "2025"]
[BlackElo "2042"]
[PlyCount "123"]
[EventDate "2014.01.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[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 Ne6 10. Qd2 0-0 11. Be2 Qa5 12. Nd5 Qxd2+ 13. Kxd2 Re8 14. Kc2 b6 15. Rhd1 Bb7 16. Rac1 Rac8 17. Kb1 Nc5 18. f3 d6 19. h4 h5 20. Rg1 e6 21. Nc3 d5 22. cxd5 exd5 23. Bxc5 Rxc5 24. Bb5 Rd8 25. Bd3 Bxc3 26. bxc3 dxe4 27. Bxe4 Bxe4+ 28. fxe4 Rc4 29. g4 hxg4 30. Rxg4 Re8 31. Re1 Rxc3 32. h5 Kg7 33. Rh1 Rh8 34. Rgh4 Rxh5 35. Rxh5 gxh5 36. Rxh5 Kf6 37. Rh8 Rc7 38. Rh5 Rc5 39. Rh8 Re5 40. Ra8 Rxe4 41. Rxa7 Re6 42. Kc2 Rd6 43. a4 Ke6 44. a5 bxa5 45. Rxa5 f5 46. Rb5 Kf6 47. Rb8 Kg5 48. Rg8+ Kf4 49. Rg1 Ke3 50. Rf1 f4 51. Re1+ Kf2 52. Re8 f3 53. Rg8 Ke2 54. Re8+ Kf1 55. Rg8 f2 56. Rg7 Rd5 57. Rg4 Ke2 58. Re4+ Kf3 59. Re8 Rf5 60. Ra8 f1Q 61. Ra3+ Kg4 62. Ra4+ 0-1

[Event "Sao Bernardo do Campo LXSBC fin-B 5th"]
[Site "Sao Bernardo do Campo"]
[Date "2014.01.18"]
[Round "1"]
[White "Saito, Vinicius Ikezu"]
[Black "De Sousa, Matheus Mazim"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2073"]
[BlackElo "2042"]
[PlyCount "98"]
[EventDate "2014.01.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bf4 Be7 5. e3 0-0 6. cxd5 exd5 7. Qc2 c6 8. Bd3 Nbd7 9. Nge2 Re8 10. g4 Nf8 11. h3 b6 12. 0-0-0 Bb7 13. Ng3 Bd6 14. Bxd6 Qxd6 15. Nf5 Qe6 16. Rdg1 c5 17. Qd2 Ne4 18. Bxe4 dxe4 19. dxc5 bxc5 20. Qd6 Ng6 21. Rd1 Ne5 22. Qxe6 Rxe6 23. Nd6 Bc6 24. Ndxe4 Nxg4 25. hxg4 Bxe4 26. Nxe4 Rxe4 27. Rhg1 Rb8 28. Rd3 Kf8 29. f3 Rc4+ 30. Kb1 Rcb4 31. Rg2 Ke7 32. Rgd2 R8b7 33. Rc3 R4b5 34. b3 Rd7 35. Rxd7+ Kxd7 36. Kc2 Kc6 37. Rd3 Rb8 38. Kc3 h5 39. gxh5 Rh8 40. Rd2 Rxh5 41. Rg2 g6 42. f4 Rd5 43. Rh2 Rd1 44. Rh7 Rd7 45. Rh8 Re7 46. Kd3 Rd7+ 47. Kc4 Re7 48. Kd3 Rd7+ 49. Kc3 Re7 1/2-1/2

[Event "Foz do Iguacu op 1st"]
[Site "Foz do Iguacu"]
[Date "2013.12.15"]
[Round "7"]
[White "Caetano, Hugo Zanotti Mendon"]
[Black "De Sousa, Matheus Mazim"]
[Result "1/2-1/2"]
[ECO "D53"]
[WhiteElo "2137"]
[BlackElo "2036"]
[PlyCount "40"]
[EventDate "2013.12.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Qc2 h6 7. Bh4 b6 8. cxd5 exd5 9. Nf3 c5 10. Be2 Nc6 11. 0-0 cxd4 12. Nxd4 Nxd4 13. exd4 Be6 14. Bf3 Rc8 15. Rac1 Qd7 16. Qb3 Rfd8 17. Rfe1 Rc4 18. Qd1 Ne4 19. Bxe7 Nxc3 20. Rxc3 Qxe7 1/2-1/2

[Event "Foz do Iguacu op 1st"]
[Site "Foz do Iguacu"]
[Date "2013.12.15"]
[Round "6"]
[White "Egoroff, Jomar"]
[Black "De Sousa, Matheus Mazim"]
[Result "1-0"]
[ECO "B34"]
[WhiteElo "2313"]
[BlackElo "2036"]
[PlyCount "57"]
[EventDate "2013.12.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 c5 10. Bxc5 Qc7 11. Bd4 Bxe5 12. Nb5 Qb8 13. Qf3 Bxd4 14. Nxd4 Qxb2 15. Rd1 Bb7 16. Qe3 Nf6 17. Bd3 Bxg2 18. Rg1 Qb4+ 19. Rd2 Nd5 20. Qe5 f6 21. Qg3 Nc3 22. f3 Nb1 23. Bxg6+ Kf8 24. c3 Nxc3 25. Qh4 Nb1 26. Qh6+ Kg8 27. Rgxg2 Qxd2+ 28. Rxd2 Nxd2 29. Nf5 1-0

[Event "Foz do Iguacu op 1st"]
[Site "Foz do Iguacu"]
[Date "2013.12.14"]
[Round "4"]
[White "Boabaid, Jorge Alberto Duard"]
[Black "De Sousa, Matheus Mazim"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "1838"]
[BlackElo "2036"]
[PlyCount "52"]
[EventDate "2013.12.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 c5 3. c4 b6 4. Bg2 Bb7 5. 0-0 g6 6. Nc3 Bg7 7. d3 d5 8. Ne5 0-0 9. Bf4 Nbd7 10. Nxd7 Qxd7 11. Qb3 d4 12. Bxb7 Qxb7 13. Na4 Qd7 14. Kg2 Rae8 15. Qc2 e5 16. Bd2 e4 17. b3 exd3 18. Qxd3 Ne4 19. Nc3 Nxc3 20. Bxc3 Qc6+ 21. e4 dxc3 22. Qd5 Qxd5 23. exd5 c2 24. Rac1 Re2 25. Rfe1 Rxe1 26. Rxe1 Bb2 0-1

[Event "Foz do Iguacu op 1st"]
[Site "Foz do Iguacu"]
[Date "2013.12.14"]
[Round "5"]
[White "De Sousa, Matheus Mazim"]
[Black "Schutt, Ricardo de Amorim"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2036"]
[BlackElo "2147"]
[PlyCount "65"]
[EventDate "2013.12.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. d4 e6 2. c4 b6 3. e4 Bb7 4. Nc3 Bb4 5. Bd3 f5 6. Qh5+ g6 7. Qe2 Nf6 8. Bg5 h6 9. Bxf6 Qxf6 10. Nf3 0-0 11. 0-0 Bxc3 12. bxc3 d6 13. e5 Qf7 14. Rfe1 Re8 15. exd6 cxd6 16. c5 bxc5 17. dxc5 e5 18. cxd6 e4 19. Bc4 Bd5 20. Bxd5 Qxd5 21. Rad1 Qf7 22. Qd2 Nd7 23. Nd4 Ne5 24. Qxh6 Rad8 25. Nb5 Re6 26. Qh4 Qd7 27. Re3 Nf7 28. Nd4 Rxd6 29. f3 g5 30. Qe1 Ne5 31. Rb1 Nc4 32. Re2 e3 33. h4 1-0

[Event "Foz do Iguacu op 1st"]
[Site "Foz do Iguacu"]
[Date "2013.12.13"]
[Round "2"]
[White "Arruda Filho, Ivo Pereira de"]
[Black "De Sousa, Matheus Mazim"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1759"]
[BlackElo "2036"]
[PlyCount "74"]
[EventDate "2013.12.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. g3 e6 4. Bg2 c5 5. e3 Nbd7 6. Nbd2 Bd6 7. b3 0-0 8. 0-0 e5 9. dxe5 Nxe5 10. Bb2 Qe7 11. Nxe5 Bxe5 12. Bxe5 Qxe5 13. Nf3 Qe7 14. Rc1 b6 15. c4 Ba6 16. Qc2 dxc4 17. bxc4 Bb7 18. Rfd1 Be4 19. Qb2 Rfd8 20. Qe2 h6 21. Rxd8+ Rxd8 22. Rd1 Rd6 23. Rxd6 Qxd6 24. Qd2 Qc7 25. Qd1 Qb7 26. h3 b5 27. cxb5 Qxb5 28. Bf1 c4 29. Be2 Qa6 30. Ne5 Qe6 31. Ng4 Nxg4 32. Bxg4 f5 33. Be2 c3 34. f3 c2 35. Qc1 Qxa2 36. Bc4+ Qxc4 37. fxe4 Qd3 0-1

[Event "Foz do Iguacu op 1st"]
[Site "Foz do Iguacu"]
[Date "2013.12.13"]
[Round "3"]
[White "De Sousa, Matheus Mazim"]
[Black "Zarate, Fernandoh"]
[Result "1/2-1/2"]
[ECO "D32"]
[WhiteElo "2036"]
[BlackElo "1831"]
[PlyCount "83"]
[EventDate "2013.12.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. e3 Nc6 6. cxd5 exd5 7. Be2 Be7 8. 0-0 0-0 9. dxc5 Bxc5 10. b3 Be6 11. Bb2 Rc8 12. Nd4 Nxd4 13. exd4 Bb4 14. Qd3 Bxc3 15. Bxc3 Ne4 16. Bb4 Re8 17. f3 Nf6 18. Qd2 Qd7 19. Bd3 Bf5 20. Rfe1 h6 21. Re5 Bxd3 22. Qxd3 Qc7 23. Rxe8+ Rxe8 24. Re1 Rc8 25. Qf5 b6 26. Re2 a5 27. Be7 Re8 28. Qe5 Qxe5 29. Rxe5 Nd7 30. Re1 Nb8 31. Bh4 Rxe1+ 32. Bxe1 Nc6 33. Bc3 b5 34. Kf2 b4 35. Bb2 f5 36. Ke3 g5 37. a3 Kf7 38. axb4 axb4 39. Bc1 Kg6 40. g4 f4+ 41. Kd3 h5 42. h3 1/2-1/2

[Event "Foz do Iguacu op 1st"]
[Site "Foz do Iguacu"]
[Date "2013.12.12"]
[Round "1"]
[White "De Sousa, Matheus Mazim"]
[Black "Robson, Farias Idalgo Filho"]
[Result "1/2-1/2"]
[ECO "E40"]
[WhiteElo "2036"]
[BlackElo "1696"]
[PlyCount "95"]
[EventDate "2013.12.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 158 Extra"]
[Source "ChessBase"]
[SourceDate "2014.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2014.02.28"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Bxc3+ 5. bxc3 b6 6. Qf3 Nc6 7. e4 e5 8. d5 Na5 9. Bd3 d6 10. Qe2 Nd7 11. Ba3 0-0 12. Nf3 Ba6 13. 0-0 Qe7 14. Nd2 Rac8 15. Nb3 Nxb3 16. axb3 Bb7 17. Qe3 a5 18. Rfb1 Ra8 19. b4 Ra7 20. c5 axb4 21. cxd6 cxd6 22. Bxb4 Rxa1 23. Rxa1 Ra8 24. Rxa8+ Bxa8 25. Qh3 Bb7 26. Bb5 Nc5 27. Bxc5 bxc5 28. c4 Qc7 29. Qa3 Bc8 30. Qa8 Qb7 31. Qa5 Qe7 32. Qb6 Bg4 33. Qb8+ Qf8 34. Qc7 h6 35. f3 Bh5 36. Bd7 Qe7 37. Qb8+ Kh7 38. Qa7 Bg6 39. g3 Qg5 40. Qa3 f5 41. Bxf5 Bxf5 42. exf5 Qxf5 43. Qc3 Qb1+ 44. Kg2 Qa2+ 45. Kh3 Qe2 46. g4 Qf1+ 47. Kg3 Qg1+ 48. Kh3 1/2-1/2

[Event "Mogi das Cruzes op 09"]
[Site "Mogi das Cruzes"]
[Date "2013.09.29"]
[Round "6"]
[White "De Sousa, Matheus Mazim"]
[Black "Da Silva, Paolo Ghiu M Rego"]
[Result "1-0"]
[ECO "D32"]
[WhiteElo "1973"]
[BlackElo "2128"]
[PlyCount "91"]
[EventDate "2013.09.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c5 5. cxd5 exd5 6. Bg5 cxd4 7. Nxd4 Nc6 8. e3 Bb4 9. Bb5 Bxc3+ 10. bxc3 Qd6 11. 0-0 0-0 12. Nxc6 bxc6 13. Bd3 h6 14. Bf4 Qc5 15. c4 Rd8 16. cxd5 Rxd5 17. Qe2 Bg4 18. f3 Bf5 19. Bxf5 Rxf5 20. Rfc1 Qe7 21. Qc2 Rd5 22. Qxc6 Rad8 23. e4 Rd3 24. Bc7 R8d7 25. a4 Rd2 26. Bf4 R2d3 27. Qb5 Kh7 28. h3 g6 29. Rc7 Rxc7 30. Qxd3 Rd7 31. Qc3 Nh5 32. Be3 Qd8 33. Qe5 Rd6 34. Qb5 Rd2 35. a5 Rd1+ 36. Rxd1 Qxd1+ 37. Qf1 Qa4 38. g4 Ng7 39. Qa6 Qd1+ 40. Kf2 Qc2+ 41. Kg3 Qc7+ 42. Kg2 Qc2+ 43. Bf2 Ne6 44. Qxa7 Nf4+ 45. Kg3 g5 46. Qxf7+ 1-0

[Event "Mogi das Cruzes op 09"]
[Site "Mogi das Cruzes"]
[Date "2013.09.29"]
[Round "7"]
[White "Tsuboi, Edson Kenji"]
[Black "De Sousa, Matheus Mazim"]
[Result "0-1"]
[ECO "A14"]
[WhiteElo "2256"]
[BlackElo "1973"]
[PlyCount "138"]
[EventDate "2013.09.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. c4 e6 2. g3 d5 3. Nf3 Nf6 4. Bg2 Be7 5. 0-0 0-0 6. b3 c5 7. Bb2 Nc6 8. e3 b6 9. Qe2 Ba6 10. d3 b5 11. cxd5 exd5 12. Nbd2 b4 13. Rfc1 Qb6 14. Nh4 Bc8 15. Rc2 Be6 16. h3 Nd7 17. Nhf3 Rac8 18. Rac1 Qa6 19. Bf1 f6 20. Kg2 Na5 21. Qd1 Qb7 22. d4 Bf5 23. Nh4 Bxc2 24. Rxc2 c4 25. Nf5 Rf7 26. Qg4 c3 27. Nh6+ Kf8 28. Nxf7 cxd2 29. Rxd2 Kxf7 30. Qh5+ Kg8 31. Ba6 Qxa6 32. Qxd5+ Kf8 33. Qxd7 Qb7+ 34. Qxb7 Nxb7 35. Kf3 Nd6 36. e4 Nb5 37. Ke3 Nc3 38. Ba1 Nb1 39. Rd1 Na3 40. Bb2 Rc2 41. Rd2 Rxd2 42. Kxd2 Nb5 43. Kd3 Ke8 44. f4 Kd7 45. Kc4 a6 46. f5 Na3+ 47. Kd3 Kc6 48. g4 Nb1 49. Kc2 Nc3 50. Kd3 Bd8 51. Bc1 Nb5 52. Bd2 Be7 53. Bc1 Nd6 54. Bd2 Kb5 55. Bf4 Nf7 56. e5 Ng5 57. Bxg5 fxg5 58. d5 Kc5 59. Ke4 h6 60. d6 Bd8 61. d7 Be7 62. e6 Bf6 63. Ke3 Kd5 64. Kd3 Bd8 65. Ke3 a5 66. Kd3 Bf6 67. Ke3 Be7 68. Kd3 Bd8 69. Ke3 g6 0-1

[Event "Mogi das Cruzes op 09"]
[Site "Mogi das Cruzes"]
[Date "2013.09.28"]
[Round "5"]
[White "Chagas, Humberto Luiz C"]
[Black "De Sousa, Matheus Mazim"]
[Result "0-1"]
[ECO "D56"]
[WhiteElo "1836"]
[BlackElo "1973"]
[PlyCount "72"]
[EventDate "2013.09.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 0-0 6. e3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Bd3 Nxc3 10. bxc3 dxc4 11. Bxc4 c5 12. 0-0 Nc6 13. Bb5 cxd4 14. Bxc6 bxc6 15. cxd4 Ba6 16. Re1 c5 17. Qa4 Bb7 18. Red1 Bxf3 19. gxf3 Qg5+ 20. Kh1 Qh5 21. Qc6 Rac8 22. Qe4 cxd4 23. Rxd4 Rc5 24. Rd2 Re5 25. Qg4 Rg5 26. Qxh5 Rxh5 27. Rd7 Ra5 28. Kg2 Rb8 29. f4 Rb2 30. a4 Rb4 31. Rc1 g5 32. Rcc7 Rf5 33. Rxa7 gxf4 34. a5 fxe3 35. fxe3 Rg5+ 36. Kh3 h5 0-1

[Event "Mogi das Cruzes op 09"]
[Site "Mogi das Cruzes"]
[Date "2013.09.27"]
[Round "3"]
[White "De Sousa, Matheus Mazim"]
[Black "Leite, Eduardo de Souza"]
[Result "1-0"]
[ECO "E48"]
[WhiteElo "1973"]
[BlackElo "2168"]
[PlyCount "61"]
[EventDate "2013.09.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Bd3 d5 6. Nge2 b6 7. 0-0 dxc4 8. Bxc4 Bb7 9. a3 Be7 10. Ng3 Nbd7 11. b4 a5 12. b5 c5 13. Bb2 Qc7 14. Ba2 Rfd8 15. Rc1 Ne5 16. Qe2 Ng6 17. dxc5 bxc5 18. Rc2 Nh4 19. f3 Bd6 20. Kf2 h5 21. Na4 Bxg3+ 22. hxg3 Nf5 23. Bxf6 Qxg3+ 24. Kg1 gxf6 25. Nxc5 Bd5 26. Bxd5 exd5 27. Qf2 Qe5 28. e4 Nd4 29. f4 Qd6 30. Qxd4 Rdc8 31. e5 1-0

[Event "Mogi das Cruzes op 09"]
[Site "Mogi das Cruzes"]
[Date "2013.09.27"]
[Round "2"]
[White "Sato, Alberto Akio"]
[Black "De Sousa, Matheus Mazim"]
[Result "0-1"]
[ECO "D56"]
[WhiteElo "1562"]
[BlackElo "1973"]
[PlyCount "106"]
[EventDate "2013.09.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 0-0 6. e3 h6 7. Bh4 Ne4 8. Bxe7 Qxe7 9. Qc2 Nxc3 10. Qxc3 c6 11. cxd5 exd5 12. h3 Bf5 13. Bd3 Bxd3 14. Qxd3 Qb4+ 15. Qd2 Qxd2+ 16. Nxd2 f5 17. 0-0 Nd7 18. Nf3 f4 19. Rae1 fxe3 20. fxe3 Rae8 21. Nd2 Nf6 22. Rf3 Re6 23. Re2 b6 24. b4 Rfe8 25. Kf2 Kf7 26. g4 Ke7 27. Re1 Kd6 28. Rc1 Ra8 29. a4 a5 30. b5 cxb5 31. axb5 a4 32. Rc6+ Kd7 33. Rxe6 Kxe6 34. Ke2 Ra5 35. Rf1 Rxb5 36. Ra1 Rb4 37. Kd3 Ne4 38. Nxe4 dxe4+ 39. Kxe4 b5 40. Ra3 Rb1 41. Kd3 Kd5 42. e4+ Kc6 43. Kc2 Re1 44. Kd3 Rh1 45. Kc2 Rh2+ 46. Kd1 Rf2 47. Rc3+ Kd6 48. e5+ Kd5 49. Rc5+ Kxd4 50. Rxb5 a3 51. e6 a2 52. Ra5 a1Q+ 53. Rxa1 Rf1+ 0-1

[Event "Mogi das Cruzes op 09"]
[Site "Mogi das Cruzes"]
[Date "2013.09.26"]
[Round "1"]
[White "De Sousa, Matheus Mazim"]
[Black "Mendonca, Mateus Nakajo"]
[Result "0-1"]
[ECO "D18"]
[WhiteElo "1973"]
[BlackElo "2338"]
[PlyCount "63"]
[EventDate "2013.09.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 156 Extra"]
[Source "ChessBase"]
[SourceDate "2013.10.22"]
[SourceVersion "1"]
[SourceVersionDate "2013.10.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. e3 e6 7. Bxc4 Nbd7 8. 0-0 Bb4 9. Qe2 Ne4 10. Nxe4 Bxe4 11. Nd2 Bg6 12. e4 Nb6 13. Nb3 Nxc4 14. Qxc4 Bd6 15. e5 Be7 16. Be3 0-0 17. Nc5 b6 18. Nd3 Qd7 19. Nf4 Bf5 20. f3 h6 21. Rfd1 Rfd8 22. Rac1 Rac8 23. g4 Bh7 24. Kf2 Qb7 25. Kg3 Bf8 26. h4 b5 27. Qa2 bxa4 28. Qxa4 Qxb2 29. Qxa7 Ra8 30. Qc7 Rac8 31. Qa5 Bb4 32. Qb6 0-1

[Event "Pan American-ch U16 24th"]
[Site "Pocos de Caldas"]
[Date "2013.07.31"]
[Round "9.2"]
[White "De Sousa, Matheus Mazim"]
[Black "Gutierrez Anaya, Yeison Joel"]
[Result "0-1"]
[ECO "D18"]
[WhiteElo "1956"]
[BlackElo "1999"]
[PlyCount "58"]
[EventDate "2013.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. a4 Bf5 6. e3 Nbd7 7. Bxc4 Qc7 8. 0-0 e5 9. Qb3 0-0-0 10. Bxf7 e4 11. Nh4 Bg4 12. Be6 Bd6 13. g3 g5 14. Nf5 h5 15. Bd2 Kb8 16. Rac1 a6 17. Nb1 h4 18. Ba5 Qxa5 19. Nxd6 Qc7 20. Nf7 hxg3 21. fxg3 Bxe6 22. Qxe6 Rde8 23. Qb3 Rh5 24. Rf5 Ng4 25. Rc2 Nxh2 26. Rg2 Nf3+ 27. Kf2 Rh1 28. Nc3 Ne1 29. Nxg5 Nd3+ 0-1

[Event "Pan American-ch U16 24th"]
[Site "Pocos de Caldas"]
[Date "2013.07.30"]
[Round "8.3"]
[White "Carneiro, Vitor Roberto Castr"]
[Black "De Sousa, Matheus Mazim"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2238"]
[BlackElo "1956"]
[PlyCount "61"]
[EventDate "2013.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. g3 Be7 5. Bg2 0-0 6. 0-0 c5 7. Bb2 Nc6 8. e3 b6 9. Nc3 Ba6 10. d3 Rc8 11. Qe2 Qc7 12. Rac1 Rfd8 13. Rfd1 Qb8 14. Nb5 Ne8 15. a4 Bf6 16. cxd5 exd5 17. Bh3 Nb4 18. Bxc8 Rxc8 19. Bxf6 Nxf6 20. d4 Ne4 21. Ne5 f6 22. Nd3 Nxd3 23. Qxd3 Bb7 24. Nc3 Nxc3 25. Rxc3 Qc7 26. Rdc1 a6 27. dxc5 bxc5 28. Qd4 Qb6 29. Rxc5 Rxc5 30. Qxc5 Qxb3 31. Qe7 1-0

[Event "Pan American-ch U16 24th"]
[Site "Pocos de Caldas"]
[Date "2013.07.30"]
[Round "7.1"]
[White "Gotz, Klaus Seiji Furucho"]
[Black "De Sousa, Matheus Mazim"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2097"]
[BlackElo "1956"]
[PlyCount "115"]
[EventDate "2013.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. cxd5 exd5 6. Bg5 c6 7. Qc2 g6 8. e3 Bf5 9. Bd3 Bxd3 10. Qxd3 0-0 11. Bxf6 Bxf6 12. b4 Nd7 13. 0-0 b5 14. a4 a6 15. a5 Be7 16. Na2 Bd6 17. Qc3 Rc8 18. Nc1 Qe7 19. Nd3 Nf6 20. Rac1 Ne4 21. Qb2 Ng5 22. Nxg5 Qxg5 23. Rc3 Rc7 24. Rfc1 Rfc8 25. h3 Qe7 26. R1c2 Kg7 27. Kf1 Kf8 28. g3 g5 29. Ke2 h5 30. Kd2 Qe6 31. Qc1 Qe7 32. Rb3 Qe6 33. Rbc3 Qe7 34. Rb2 Qe6 35. Qf1 Ke8 36. Kc2 Kd7 37. Kb3 Rg8 38. Rbc2 h4 39. g4 f5 40. Qg2 Qe4 41. f3 Qe6 42. gxf5 Qxf5 43. e4 Qe6 44. e5 Be7 45. Rf2 Rf8 46. f4 gxf4 47. Rxf4 Rxf4 48. Nxf4 Qf5 49. Nd3 Rc8 50. Qg7 Rc7 51. Nc5+ Kd8 52. Qg8+ Bf8 53. Rc2 Rf7 54. e6 Rg7 55. Qh8 Rh7 56. e7+ Kxe7 57. Re2+ Kd8 58. Ne6+ 1-0

[Event "Pan American-ch U16 24th"]
[Site "Pocos de Caldas"]
[Date "2013.07.29"]
[Round "5.2"]
[White "De Sousa, Matheus Mazim"]
[Black "Brito Valdes, Santiago Jose"]
[Result "1-0"]
[ECO "E21"]
[WhiteElo "1956"]
[BlackElo "2063"]
[PlyCount "81"]
[EventDate "2013.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nf3 Bb7 6. Bd3 Ne4 7. Bd2 Bxc3 8. Bxc3 Nxc3 9. bxc3 f5 10. 0-0 0-0 11. Re1 d6 12. e4 Nd7 13. exf5 exf5 14. d5 Nc5 15. Nd4 Qg5 16. Bc2 Bc8 17. Qf3 f4 18. Ne6 Bxe6 19. dxe6 Rae8 20. Be4 Qf6 21. Bd5 Kh8 22. Qh3 h6 23. Re2 c6 24. Bxc6 Rxe6 25. Rxe6 Nxe6 26. Re1 Ng5 27. Qd3 f3 28. Qd4 Qf5 29. Bxf3 Qxf3 30. gxf3 Nxf3+ 31. Kg2 Nxd4 32. cxd4 Rc8 33. Rc1 b5 34. c5 dxc5 35. Rxc5 Rd8 36. d5 b4 37. Kf3 Re8 38. Rc4 Re5 39. Rd4 Kg8 40. Kf4 Re7 41. d6 1-0

[Event "Pan American-ch U16 24th"]
[Site "Pocos de Caldas"]
[Date "2013.07.29"]
[Round "6.1"]
[White "De Sousa, Matheus Mazim"]
[Black "Ruiz Castillo, Joshua Daniel"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "1956"]
[BlackElo "2407"]
[PlyCount "87"]
[EventDate "2013.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Ba6 5. Qc2 Be7 6. Bg2 c6 7. 0-0 d5 8. b3 0-0 9. Ne5 Nfd7 10. Nd3 Nf6 11. Ne5 Bb7 12. Bb2 Nbd7 13. Nd2 Rc8 14. e4 Bb4 15. Nxd7 Nxd7 16. a3 Be7 17. Rfe1 Re8 18. Rac1 Nf8 19. Qd3 Qd7 20. cxd5 cxd5 21. e5 Bc6 22. Nf1 Bb5 23. Qd2 a5 24. Ne3 a4 25. b4 f6 26. f4 f5 27. Rxc8 Rxc8 28. Rc1 Rxc1+ 29. Bxc1 g5 30. fxg5 Bxg5 31. Qc2 Kg7 32. Nxf5+ exf5 33. Bxg5 Kg6 34. Be3 Ne6 35. g4 Ng7 36. Bh3 Bc4 37. gxf5+ Nxf5 38. Qg2+ Kf7 39. Qg5 Bd3 40. Qf6+ Kg8 41. Bh6 Qe7 42. Qxe7 Nxe7 43. Be6+ Kh8 44. Bg5 1-0

[Event "Pan American-ch U16 24th"]
[Site "Pocos de Caldas"]
[Date "2013.07.28"]
[Round "4.4"]
[White "Vergara Jofre, Felipe Andres"]
[Black "De Sousa, Matheus Mazim"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "1901"]
[BlackElo "1956"]
[PlyCount "100"]
[EventDate "2013.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 d6 7. Qd2 Nf6 8. f3 0-0 9. Nc3 a5 10. Be2 Nd7 11. 0-0 Nxd4 12. Bxd4 Bxd4+ 13. Qxd4 Qb6 14. Qxb6 Nxb6 15. Nd5 Nxd5 16. exd5 Bd7 17. Bd3 Rfc8 18. Rfe1 Kf8 19. b3 Rab8 20. a4 Rc7 21. Re3 Re8 22. Rae1 Bc8 23. f4 Kg7 24. h3 f5 25. Kf2 Kf6 26. Bf1 Rc5 27. Rd1 h6 28. g3 Bd7 29. Be2 Rd8 30. g4 Rc7 31. Bf3 Rg8 32. Rde1 Bc8 33. g5+ hxg5 34. fxg5+ Kxg5 35. Rxe7 Rxe7 36. Rxe7 Rh8 37. Bg2 f4 38. Re1 Bf5 39. Rc1 b6 40. Rc3 Kf6 41. Rc1 Ke5 42. Ke2 Bxh3 43. Bf3 Bf5 44. Re1 Kd4 45. Kd1 Rh3 46. Rf1 Rxf3 47. Rxf3 Bg4 48. Ke2 Bxf3+ 49. Kxf3 g5 50. Kg4 Kc3 0-1

[Event "Pan American-ch U16 24th"]
[Site "Pocos de Caldas"]
[Date "2013.07.27"]
[Round "3.2"]
[White "De Sousa, Matheus Mazim"]
[Black "Arias, Daniel1111"]
[Result "1/2-1/2"]
[ECO "E81"]
[WhiteElo "1956"]
[BlackElo "2163"]
[PlyCount "75"]
[EventDate "2013.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Bg5 Nc6 7. Qd2 Nd7 8. d5 Nd4 9. Nge2 c5 10. Be3 Qb6 11. 0-0-0 Nxe2+ 12. Bxe2 Qb4 13. h4 Ne5 14. Bh6 Nxc4 15. Bxc4 Qxc4 16. Bxg7 Kxg7 17. h5 Qd4 18. Qxd4+ cxd4 19. Rxd4 Bd7 20. Kd2 Rfc8 21. hxg6 hxg6 22. Re1 Rh8 23. Rc4 Rac8 24. b3 Rh2 25. Re2 g5 26. Rxc8 Bxc8 27. Nb5 a6 28. Nd4 Kf6 29. Ke3 e6 30. Rc2 Rh8 31. dxe6 fxe6 32. Rc7 Rd8 33. g3 Rh8 34. g4 Rd8 35. Ne2 Ke5 36. Rg7 Kf6 37. Rc7 Ke5 38. Rg7 1/2-1/2

[Event "Pan American-ch U16 24th"]
[Site "Pocos de Caldas"]
[Date "2013.07.27"]
[Round "2.10"]
[White "Valenzuela Martinez, Hermes"]
[Black "De Sousa, Matheus Mazim"]
[Result "0-1"]
[ECO "B26"]
[WhiteElo "1865"]
[BlackElo "1956"]
[PlyCount "132"]
[EventDate "2013.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nge2 e6 6. d3 Nge7 7. 0-0 0-0 8. Be3 d6 9. f4 Nd4 10. Qd2 Rb8 11. Bf2 Nec6 12. a4 a6 13. Rab1 Qa5 14. Be1 Bd7 15. Qd1 Nxe2+ 16. Qxe2 Nd4 17. Qd1 Qc7 18. b3 b5 19. axb5 axb5 20. Ne2 Ra8 21. c3 Nxe2+ 22. Qxe2 Ra3 23. Qc2 Rfa8 24. Bd2 Ra2 25. Qc1 Qa5 26. f5 exf5 27. exf5 Bxf5 28. Bxa8 Qxa8 29. Ra1 Bh3 30. Kf2 Qg2+ 31. Ke3 Bh6+ 32. Rf4 Rxa1 33. Qxa1 Qxh2 34. Qa8+ Kg7 35. Qf3 Be6 36. c4 b4 37. Bc1 Bf5 38. Bd2 Be6 39. Qf2 Qh5 40. Qf3 Qe5+ 41. Kf2 Qb2 42. Qe2 Qxb3 43. Rh4 Bxd2 44. Qxd2 h5 45. Re4 Bf5 46. Re3 Qa3 47. d4 b3 48. Qc3 cxd4 49. Qxd4+ Kh6 50. Qh8+ Kg5 51. Qd8+ f6 52. Qe7 Qb2+ 53. Re2 Qd4+ 54. Qe3+ Qxe3+ 55. Kxe3 Kg4 56. Kd4 Bc2 57. Kc3 Kxg3 58. Re3+ Kg4 59. Re6 h4 60. Rxf6 h3 61. Rf2 Kg3 62. Re2 h2 63. Re1 Kf2 64. Kd2 b2 65. Re2+ Kf3 66. Re3+ Kf4 0-1

[Event "Pan American-ch U16 24th"]
[Site "Pocos de Caldas"]
[Date "2013.07.26"]
[Round "1.11"]
[White "De Sousa, Matheus Mazim"]
[Black "Saavedra Guajardo, Sledge Hamme"]
[Result "1-0"]
[ECO "D46"]
[WhiteElo "1956"]
[BlackElo "1700"]
[PlyCount "99"]
[EventDate "2013.07.25"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2016"]
[Source "ChessBase"]
[SourceDate "2015.10.08"]
[SourceVersion "1"]
[SourceVersionDate "2015.10.08"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 c6 5. e3 Nbd7 6. Bd3 Bd6 7. 0-0 0-0 8. e4 dxe4 9. Nxe4 Nxe4 10. Bxe4 Nf6 11. Bc2 h6 12. b3 Qc7 13. Bb2 Rd8 14. Qe2 Nd7 15. c5 Be7 16. b4 b6 17. Rfe1 Rb8 18. Bb3 Nf6 19. d5 cxd5 20. Be5 Qb7 21. c6 Qxc6 22. Bxb8 Bxb4 23. Rec1 Qb7 24. Bc7 Rd7 25. Be5 Ne4 26. a3 Bc5 27. Bd4 Rc7 28. Bxc5 bxc5 29. Bc2 Nd6 30. Qd3 Ne4 31. Qb3 Qxb3 32. Bxb3 c4 33. Ba2 f6 34. Rc2 Bd7 35. Rcc1 Ba4 36. Bb1 Nc5 37. Bc2 e5 38. Bxa4 Nxa4 39. Rab1 d4 40. Rb4 Nb6 41. a4 c3 42. Nxd4 exd4 43. Rxd4 Rc5 44. h3 Kf7 45. Rb4 Ke6 46. Kf1 Kd5 47. Ke2 Rc4 48. Rb5+ Ke4 49. f3+ Kf4 50. Kf2 1-0

[Event "Sao Bernardo do Campo op"]
[Site "Sao Bernardo do Campo"]
[Date "2013.06.30"]
[Round "6"]
[White "Garkauskas, Otto Dmitry"]
[Black "De Sousa, Matheus Mazim"]
[Result "1-0"]
[ECO "A65"]
[WhiteElo "2084"]
[BlackElo "1906"]
[PlyCount "81"]
[EventDate "2013.06.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nbd7 7. Nge2 c5 8. d5 Ne5 9. Ng3 e6 10. Be2 exd5 11. cxd5 h5 12. 0-0 a6 13. a4 Rb8 14. h3 Ne8 15. Qd2 Bf6 16. f4 Nd7 17. e5 dxe5 18. f5 Ng7 19. fxg6 fxg6 20. Qc2 Bg5 21. Rxf8+ Nxf8 22. Bxc5 Bf4 23. Bxf8 Kxf8 24. Qxg6 h4 25. Nh5 Be3+ 26. Kh1 Qe7 27. Rf1+ Bf4 28. d6 Qf7 29. Nxf4 exf4 30. Qxf7+ Kxf7 31. Rxf4+ Ke6 32. d7 Kxd7 33. Rf7+ Kd6 34. Rxg7 Bf5 35. Bg4 Bc2 36. Rg5 Rf8 37. Bf3 b6 38. Rh5 Rf4 39. Rh6+ Kc5 40. Rc6+ Kd4 41. Ne2+ 1-0

[Event "Sao Bernardo do Campo op"]
[Site "Sao Bernardo do Campo"]
[Date "2013.06.30"]
[Round "5"]
[White "Vizzotto, Bernardo"]
[Black "De Sousa, Matheus Mazim"]
[Result "0-1"]
[ECO "D93"]
[WhiteElo "2005"]
[BlackElo "1906"]
[PlyCount "100"]
[EventDate "2013.06.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d5 5. Bf4 c6 6. e3 0-0 7. Be2 dxc4 8. Bxc4 Nbd7 9. 0-0 Nb6 10. Bb3 Nbd5 11. Nxd5 Nxd5 12. Bg5 h6 13. Bh4 Be6 14. e4 Nf4 15. Bxe6 Nxe6 16. Qb3 g5 17. Bg3 Qb6 18. Rfd1 Bxd4 19. Nxd4 Nxd4 20. Qc4 Rfd8 21. Be5 Qb5 22. Qxb5 Nxb5 23. a4 Nd6 24. f3 Rd7 25. Rd2 f6 26. Bc3 Rdd8 27. e5 fxe5 28. Bxe5 Nc4 29. Re2 Rd2 30. Re4 Nxe5 31. Rxe5 Kf7 32. Rae1 Re8 33. b4 e6 34. R5e4 Kf6 35. Rc1 Red8 36. Rce1 R8d6 37. h4 R2d4 38. hxg5+ hxg5 39. Kf2 Rxe4 40. Rxe4 Rd1 41. Kg3 e5 42. Kf2 Rd4 43. Ke3 Rxe4+ 44. fxe4 Ke6 45. Kd3 b5 46. a5 a6 47. Kd2 Kd6 48. Kc3 c5 49. Kb3 cxb4 50. g3 g4 0-1

[Event "Sao Bernardo do Campo op"]
[Site "Sao Bernardo do Campo"]
[Date "2013.06.29"]
[Round "4"]
[White "De Sousa, Matheus Mazim"]
[Black "Abdalla, Jose Lucas Aurelli"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1906"]
[BlackElo "2063"]
[PlyCount "102"]
[EventDate "2013.06.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 d6 6. Nc3 g6 7. e4 Nbd7 8. Nf3 Bg7 9. Be2 0-0 10. 0-0 Qxb6 11. Rb1 Bb7 12. Nd2 Ne5 13. Nc4 Nxc4 14. Bxc4 Nd7 15. Bg5 Ne5 16. Bb3 f6 17. Be3 Bc8 18. Qd2 f5 19. Rbc1 Qd8 20. Kh1 Rb8 21. f4 Ng4 22. Bg1 a5 23. h3 Nf6 24. e5 Nh5 25. Rf3 Kh8 26. e6 Rb4 27. Bd1 Ba6 28. b3 Nf6 29. a3 Rb7 30. Bc2 Qa8 31. Nd1 Rbb8 32. Ne3 Ne4 33. Qe1 Bb7 34. Bxe4 fxe4 35. Rg3 Bxd5 36. f5 gxf5 37. Rxg7 Kxg7 38. Qh4 Rf6 39. Rf1 Bxe6 40. b4 axb4 41. axb4 Rxb4 42. g4 fxg4 43. Qg5+ Kf7 44. Qh5+ Kg8 45. Qg5+ Rg6 46. Qxe7 gxh3 47. Qxd6 Bg4 48. Qxc5 Bf3+ 49. Rxf3 exf3 50. Bf2 Rb1+ 51. Kh2 Qb8+ 0-1

