[Event "Sudest Regional-ch"]
[Site "Pindamonhangaba"]
[Date "2025.03.22"]
[Round "4"]
[White "Amorim, Israel Santana Paiv"]
[Black "Mattos, Bernardo Cunha"]
[Result "0-1"]
[ECO "B45"]
[WhiteElo "1800"]
[BlackElo "1713"]
[PlyCount "62"]
[EventDate "2025.03.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CB13_2025"]
[SourceDate "2025.03.26"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.26"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bc4 Bb4 7. Nxc6 bxc6 8. e5 Qa5 9. exf6 Bxc3+ 10. bxc3 Qxc3+ 11. Bd2 Qxc4 12. fxg7 Rg8 13. Bh6 Qc3+ 14. Kf1 Ba6+ 15. Kg1 Qf6 16. Qc1 Rb8 17. h3 Bc4 18. Rb1 Rb5 19. Rxb5 cxb5 20. Qa3 Qxh6 21. Qxa7 Rxg7 22. Qa8+ Ke7 23. Qa3+ Kf6 24. Qf3+ Kg6 25. Kh2 Qg5 26. a4 Bd5 27. Qd3+ Kh6 28. Qg3 Qxg3+ 29. fxg3 bxa4 30. Ra1 Bc6 31. Kg1 Rxg3 0-1

[Event "Sudest Regional-ch"]
[Site "Pindamonhangaba"]
[Date "2025.03.21"]
[Round "2"]
[White "Codognotto, Ian"]
[Black "Mattos, Bernardo Cunha"]
[Result "0-1"]
[ECO "A06"]
[WhiteElo "1800"]
[BlackElo "1713"]
[PlyCount "37"]
[EventDate "2025.03.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CB13_2025"]
[SourceDate "2025.03.26"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.26"]
[SourceQuality "1"]

1. b3 d5 2. Nf3 Nf6 3. Bb2 c5 4. e3 Nc6 5. Bb5 Bf5 6. d4 e6 7. 0-0 Be7 8. Ne5 Rc8 9. c4 0-0 10. Nc3 Qc7 11. Bxc6 bxc6 12. Ne2 cxd4 13. exd4 h6 14. c5 Ng4 15. Nxg4 Bxg4 16. f3 Bf5 17. Ng3 Bh7 18. f4 Be4 19. Qg4 0-1

[Event "Sudest Regional-ch"]
[Site "Pindamonhangaba"]
[Date "2025.03.20"]
[Round "1"]
[White "Mattos, Bernardo Cunha"]
[Black "Silva, Alexandre de Jesus"]
[Result "0-1"]
[ECO "A55"]
[WhiteElo "1713"]
[BlackElo "2054"]
[PlyCount "82"]
[EventDate "2025.03.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CB13_2025"]
[SourceDate "2025.03.26"]
[SourceVersion "1"]
[SourceVersionDate "2025.03.26"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 d6 4. d4 Nbd7 5. e4 Be7 6. Be2 c5 7. dxe5 Nxe5 8. Nxe5 dxe5 9. Qxd8+ Bxd8 10. Be3 b6 11. f3 0-0 12. Kf2 Ne8 13. Rad1 Nc7 14. f4 exf4 15. Bxf4 Ne6 16. Bd6 Re8 17. a3 Nd4 18. Bf3 Be6 19. Nd5 Rc8 20. Rhe1 Bh4+ 21. g3 Bd8 22. Rd3 h6 23. Bg2 Rc6 24. Be5 Rc8 25. Bxd4 cxd4 26. Rxd4 b5 27. cxb5 Rc5 28. a4 Bxd5 29. Rxd5 Rc4 30. b3 Rc2+ 31. Re2 Rc1 32. Rd3 Bb6+ 33. Kf3 h5 34. e5 g5 35. Ke4 Kg7 36. Kf5 Bc7 37. Rd7 Rc2 38. Rxc7 Rxe2 39. Be4 Rf2+ 40. Kxg5 Rxe5+ 41. Kh4 Rxh2# 0-1

[Event "Rio de Janeiro Duchamp op 5th"]
[Site "Rio de Janeiro"]
[Date "2024.12.07"]
[Round "8"]
[White "Mattos, Bernardo Cunha"]
[Black "Morais, Wagner Soares"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1735"]
[BlackElo "1901"]
[PlyCount "33"]
[EventDate "2024.12.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB50_2024"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "2"]

1. c4 g6 2. Nc3 Bg7 3. e4 c5 4. Nf3 Nc6 5. g3 a6 6. Bg2 b5 7. cxb5 axb5 8. 0-0 b4 9. Nd5 e6 10. Ne3 Ba6 11. d3 Nge7 12. Qc2 d6 13. Bd2 0-0 14. Rac1 Qb8 15. Ng4 Qb5 16. Qc4 Qxc4 17. dxc4 0-1

[Event "Rio de Janeiro Duchamp op 5th"]
[Site "Rio de Janeiro"]
[Date "2024.12.07"]
[Round "7"]
[White "Sopko, Cassio Roberto"]
[Black "Mattos, Bernardo Cunha"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1852"]
[BlackElo "1735"]
[PlyCount "100"]
[EventDate "2024.12.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB50_2024"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "2"]

1. d4 d5 2. g3 Nf6 3. Bg2 Bf5 4. Nf3 e6 5. b3 Be7 6. Bb2 h6 7. Nbd2 0-0 8. 0-0 c5 9. c4 Nc6 10. cxd5 exd5 11. dxc5 Bxc5 12. Rc1 Bb6 13. a3 a5 14. e3 Qd6 15. Nc4 Qd8 16. Nxb6 Qxb6 17. Bxf6 gxf6 18. Qxd5 Be6 19. Qh5 Kg7 20. Nh4 Ne7 21. Qc5 Qxc5 22. Rxc5 Rfc8 23. Rb5 Rc7 24. h3 Bd7 25. Rh5 f5 26. e4 fxe4 27. Bxe4 Bxh3 28. Re1 Be6 29. Rb5 Rb8 30. Rd1 b6 31. b4 axb4 32. Rxb4 Rc4 33. Rdb1 Rxb4 34. Rxb4 Nd5 35. Bxd5 Bxd5 36. Nf5+ Kh7 37. a4 Be6 38. Nd4 Bd5 39. f4 Ra8 40. Kf2 Be6 41. Ke3 Bd7 42. Rxb6 Bxa4 43. Nf5 Re8+ 44. Kd4 Re6 45. Rxe6 fxe6 46. Nh4 Kg7 47. Ke5 Bb3 48. Nf3 Kf7 49. Nd4 Ba2 50. g4 Bc4 1/2-1/2

[Event "Rio de Janeiro Duchamp op 5th"]
[Site "Rio de Janeiro"]
[Date "2024.12.06"]
[Round "6"]
[White "Mattos, Bernardo Cunha"]
[Black "Tavares, Davi Tavalask Cuerc"]
[Result "1-0"]
[ECO "A16"]
[WhiteElo "1735"]
[BlackElo "1813"]
[PlyCount "35"]
[EventDate "2024.12.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB50_2024"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "2"]

1. c4 Nf6 2. Nc3 c6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. fxg7 cxd2+ 7. Qxd2 Qxd2+ 8. Bxd2 Bxg7 9. 0-0-0 b6 10. Nf3 Bb7 11. Bf4 c5 12. Bd3 Nd7 13. Rhe1 Nf6 14. Bd6 Rd8 15. Bc2 Nd7 16. Bxc5 Bc8 17. Rd3 Bf6 18. Red1 1-0

[Event "Rio de Janeiro Duchamp op 5th"]
[Site "Rio de Janeiro"]
[Date "2024.12.03"]
[Round "3"]
[White "Mattos, Bernardo Cunha"]
[Black "Andriska, Matheus Jose Amante"]
[Result "1/2-1/2"]
[ECO "A18"]
[WhiteElo "1735"]
[BlackElo "1543"]
[PlyCount "82"]
[EventDate "2024.12.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB50_2024"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "2"]

1. c4 e6 2. Nc3 Nf6 3. e4 d5 4. e5 d4 5. exf6 dxc3 6. bxc3 Qxf6 7. d4 e5 8. Qe2 Be7 9. Qxe5 Qxe5+ 10. dxe5 Nc6 11. Bf4 Bf5 12. Rd1 Rd8 13. Rxd8+ Kxd8 14. Kd2 Kc8 15. Ne2 Rd8+ 16. Ke1 Bc2 17. Ng3 g5 18. Be3 Nxe5 19. Bd4 Nc6 20. Kd2 Nxd4 21. cxd4 Bg6 22. Ne2 Bb4+ 23. Kc1 Re8 24. Kb2 Bd3 25. Ng3 Bg6 26. Be2 Kd7 27. Rd1 f5 28. a3 Bd6 29. Bd3 f4 30. Nf5 Rf8 31. Nxd6 Kxd6 32. Bxg6 hxg6 33. Re1 Kd7 34. Kc3 g4 35. Re5 g3 36. hxg3 f3 37. gxf3 Rxf3+ 38. Re3 Rxf2 39. d5 g5 40. Kd4 g4 41. Ke4 Rf3 1/2-1/2

[Event "Rio de Janeiro Duchamp op 5th"]
[Site "Rio de Janeiro"]
[Date "2024.12.02"]
[Round "2"]
[White "Lopes, Eduardo Moraes"]
[Black "Mattos, Bernardo Cunha"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1902"]
[BlackElo "1735"]
[PlyCount "31"]
[EventDate "2024.12.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB50_2024"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "2"]

1. e4 c5 2. Nf3 e6 3. c3 d5 4. exd5 Qxd5 5. d4 Nf6 6. Na3 cxd4 7. Nb5 Na6 8. Nbxd4 Nc7 9. Bd3 e5 10. Qe2 Bd6 11. Nb5 Nxb5 12. Bxb5+ Bd7 13. Bc4 Qc5 14. Bg5 Nh5 15. Be3 Qa5 16. Ng5 1-0

[Event "Rio de Janeiro Duchamp op 5th"]
[Site "Rio de Janeiro"]
[Date "2024.12.02"]
[Round "1"]
[White "Souza, Iago Henrique Da Si"]
[Black "Mattos, Bernardo Cunha"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "2037"]
[BlackElo "1735"]
[PlyCount "102"]
[EventDate "2024.12.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB50_2024"]
[SourceDate "2024.11.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.11.01"]
[SourceQuality "2"]

1. Nf3 d5 2. d4 Nf6 3. Bg5 Ne4 4. Bf4 c5 5. e3 Qb6 6. Qc1 Nc6 7. c3 Bf5 8. Nbd2 e6 9. Be2 cxd4 10. exd4 Rc8 11. a3 h6 12. 0-0 Na5 13. Ra2 Bd6 14. Nxe4 Bxe4 15. Bxd6 Qxd6 16. Bb5+ Nc6 17. Ne5 0-0 18. Bxc6 bxc6 19. b4 f6 20. Ng4 h5 21. Ne3 e5 22. Qd1 Bg6 23. Rd2 Qc7 24. c4 exd4 25. Rxd4 dxc4 26. Nxc4 Rfd8 27. Na5 Rxd4 28. Qxd4 Bf7 29. Rc1 Rd8 30. Qc5 Bd5 31. h3 Rc8 32. Re1 Qb6 33. Rf1 Kh7 34. Qd6 Qc7 35. Qc5 Qb6 36. Qc2+ g6 37. Rd1 Re8 38. Nc4 Qc7 39. Ne3 Be6 40. Rc1 Rc8 41. Qc5 Qe7 42. Qa5 Qc7 43. Qa6 Qb6 44. Qa4 c5 45. Nc4 Qc7 46. b5 Rd8 47. Qa5 Qxa5 48. Nxa5 c4 49. Nxc4 Bxc4 50. Rxc4 Rd1+ 51. Kh2 Rd6 1-0

[Event "Niteroi op 4th"]
[Site "Niteroi"]
[Date "2024.09.01"]
[Round "7"]
[White "De Moura Silva, Guilherme"]
[Black "Mattos, Bernardo Cunha"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1916"]
[BlackElo "1719"]
[PlyCount "74"]
[EventDate "2024.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Nc3 Nf6 3. Bf4 c5 4. e4 dxe4 5. dxc5 Qxd1+ 6. Rxd1 Bd7 7. f3 Nc6 8. Nxe4 Nxe4 9. fxe4 e5 10. Bg3 Nb4 11. Bd3 Nxd3+ 12. cxd3 Rc8 13. Rc1 Bb5 14. Ke2 Rd8 15. Rc3 f5 16. Nf3 fxe4 17. Nxe5 Rd5 18. a4 exd3+ 19. Nxd3 Bxd3+ 20. Rxd3 Rxd3 21. Kxd3 Kd7 22. Kc4 Be7 23. Rd1+ Kc8 24. Be5 Bf6 25. Bxf6 gxf6 26. Rf1 Rf8 27. Rf5 Kd7 28. Kd5 Ke7 29. Rf3 Rf7 30. b4 Kd7 31. b5 a6 32. bxa6 bxa6 33. c6+ Kc7 34. g4 Re7 35. a5 Rg7 36. h3 Re7 37. Kc5 Rf7 1-0

[Event "Niteroi op 4th"]
[Site "Niteroi"]
[Date "2024.08.31"]
[Round "6"]
[White "Mattos, Bernardo Cunha"]
[Black "Chaves, Jorge Antonio Torre"]
[Result "1-0"]
[ECO "A31"]
[WhiteElo "1719"]
[BlackElo "1924"]
[PlyCount "126"]
[EventDate "2024.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. d4 cxd4 5. Nxd4 a6 6. Nxc6 bxc6 7. g3 e6 8. Bf4 d5 9. Bg2 Bd7 10. 0-0 Be7 11. e4 dxc4 12. Qe2 Qa5 13. Qxc4 e5 14. Be3 0-0 15. Qe2 Rab8 16. Qc2 Rb7 17. a3 Qc7 18. Na4 Rfb8 19. b4 a5 20. Nc5 Bxc5 21. Bxc5 Re8 22. Rfd1 axb4 23. axb4 Qc8 24. Qe2 h5 25. Rd3 Be6 26. Rda3 h4 27. Ra7 h3 28. Bf3 Rxa7 29. Rxa7 Bg4 30. Bxg4 Nxg4 31. f3 Nh6 32. g4 f6 33. Qc4+ Kh8 34. Kf2 Rd8 35. Qe2 Qe6 36. Ra3 Nf7 37. Qa2 Ng5 38. Qxe6 Nxe6 39. Kg3 Rd2 40. Be3 Rb2 41. Kxh3 Rxb4 42. Rc3 Nd8 43. Bc5 Rb2 44. Kg3 Ne6 45. Be3 Nd8 46. f4 exf4+ 47. Bxf4 Rb7 48. g5 Rd7 49. g6 Kg8 50. Kg4 Kf8 51. Kf5 Ke7 52. Be3 Rd1 53. Bc5+ Kd7 54. Ra3 Rf1+ 55. Kg4 Ke6 56. Ra7 Ke5 57. Rxg7 Ne6 58. Re7 Rc1 59. g7 f5+ 60. Kg3 Rxc5 61. Rxe6+ Kxe6 62. g8Q+ Ke5 63. exf5 Kd4 1-0

[Event "Niteroi op 4th"]
[Site "Niteroi"]
[Date "2024.08.30"]
[Round "4"]
[White "Mattos, Bernardo Cunha"]
[Black "Borsato, Ana Carolina Teodor"]
[Result "0-1"]
[ECO "E71"]
[WhiteElo "1719"]
[BlackElo "1892"]
[PlyCount "100"]
[EventDate "2024.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. h3 0-0 6. Be3 e5 7. d5 Na6 8. Nge2 Nc5 9. f3 a5 10. g4 c6 11. Ng3 Bd7 12. Qd2 b5 13. dxc6 Bxc6 14. cxb5 Bb7 15. Rd1 Ne6 16. Bc4 Nd4 17. Bxd4 exd4 18. Nce2 d5 19. Bb3 dxe4 20. Nxd4 exf3 21. 0-0 Qc7 22. Qf2 Rfe8 23. Nc6 a4 24. Bc2 Bh6 25. Kh1 Re6 26. Rde1 Rae8 27. Rxe6 Rxe6 28. Bd1 Bxc6 29. bxc6 Qxc6 30. Bxf3 Qd6 31. Kg2 Bg5 32. Ne2 Nd7 33. h4 Ne5 34. Ng1 Bf4 35. Bd1 Nd3 36. Qc2 Ne1+ 37. Rxe1 Rxe1 38. Qc8+ Kg7 39. Qc3+ Qe5 40. Qxe5+ Bxe5 41. Bxa4 Bxb2 42. Bb3 Ba3 43. Kf2 Re7 44. Ne2 Bc5+ 45. Kf1 Re4 46. a4 Rxg4 47. a5 Rxh4 48. a6 Kf6 49. Nc3 Ke5 50. Nb5 Rb4 0-1

[Event "Niteroi op 4th"]
[Site "Niteroi"]
[Date "2024.08.29"]
[Round "3"]
[White "Dos Santos, Vinicius Goncalves"]
[Black "Mattos, Bernardo Cunha"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1800"]
[BlackElo "1719"]
[PlyCount "38"]
[EventDate "2024.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 Nf6 5. Bg2 d5 6. exd5 exd5 7. 0-0 Be7 8. Re1 0-0 9. Bg5 h6 10. Bf4 Bg4 11. c3 d4 12. Qc2 Nd5 13. Bd2 dxc3 14. Nxc3 Ndb4 15. Qa4 Qxd3 16. Rad1 Bxf3 17. Bxh6 Bxd1 18. Rxd1 Qa6 19. Qb3 c4 0-1

[Event "Niteroi op 4th"]
[Site "Niteroi"]
[Date "2024.08.29"]
[Round "2"]
[White "Mattos, Bernardo Cunha"]
[Black "Ramos, Angelo Bil"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "1719"]
[BlackElo "1957"]
[PlyCount "116"]
[EventDate "2024.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d5 3. cxd5 Nxd5 4. Nf3 g6 5. e4 Nxc3 6. bxc3 Bg7 7. d4 c5 8. Rb1 0-0 9. Be2 Nd7 10. 0-0 b6 11. Qd3 Qc7 12. Bg5 Re8 13. h4 Bb7 14. d5 Ne5 15. Qd2 Nxf3+ 16. Bxf3 Qe5 17. c4 Qc3 18. Qxc3 Bxc3 19. Bd1 f6 20. Be3 Ba6 21. Rc1 Bb2 22. Rc2 Be5 23. f4 Bd6 24. Bg4 Bc8 25. Bxc8 Raxc8 26. Rd1 Rcd8 27. Kf2 Kf7 28. a4 Rb8 29. Kf3 h5 30. Bf2 a5 31. Bg3 Rb7 32. e5 Bb8 33. Re2 f5 34. Rb2 Bc7 35. Bf2 Rbb8 36. Ke3 Kg8 37. Be1 Ra8 38. Bc3 Ra7 39. Kf3 e6 40. Rbd2 Kf7 41. Kf2 Raa8 42. Rb1 Ra7 43. Rd3 Bd8 44. Kg3 Ke7 45. dxe6 Bc7 46. Rbd1 Kxe6 47. Kh3 Raa8 48. Rg3 Rg8 49. Rd5 Rad8 50. Rgd3 Ke7 51. Kg3 Rge8 52. Kf3 Rg8 53. Re3 Ke6 54. Red3 Ke7 55. Ke2 Rge8 56. Kf2 Rg8 57. Rg3 Ke6 58. Rgd3 Ke7 1/2-1/2

[Event "Niteroi op 4th"]
[Site "Niteroi"]
[Date "2024.08.28"]
[Round "1"]
[White "De Souza, Felipe Guimaraes"]
[Black "Mattos, Bernardo Cunha"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "2038"]
[BlackElo "1719"]
[PlyCount "77"]
[EventDate "2024.08.28"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. 0-0 Nc6 6. Re1 Nf6 7. c3 e6 8. d4 d5 9. e5 Ne4 10. Nbd2 Nxd2 11. Bxd2 c4 12. h3 Be7 13. Nh2 0-0 14. Qg4 Rfb8 15. Re3 Bf8 16. Nf1 Ne7 17. Ng3 Nf5 18. Rf3 g6 19. Nh5 Bg7 20. Nf6+ Bxf6 21. exf6 Qb5 22. Bc1 Qa4 23. Bf4 Rd8 24. Re1 Kh8 25. a3 Qc2 26. Bc1 b5 27. Qf4 Rac8 28. g4 Nh4 29. Rg3 g5 30. Qxg5 Ng6 31. h4 Rg8 32. h5 Nf8 33. Qh4 Nd7 34. Bh6 Qxb2 35. Bg7+ Rxg7 36. fxg7+ Kxg7 37. h6+ Kh8 38. Qe7 Qd2 39. Ree3 1-0

[Event "Caioba op 8th"]
[Site "Caioba"]
[Date "2024.06.25"]
[Round "3"]
[White "Mattos, Bernardo Cunha"]
[Black "Nemeth Junior, Henrique"]
[Result "0-1"]
[ECO "E71"]
[WhiteElo "1773"]
[BlackElo "2191"]
[PlyCount "54"]
[EventDate "2024.06.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 220 Extra"]
[Source "ChessBase"]
[SourceDate "2024.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.07.31"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. d4 Nf6 4. e4 d6 5. h3 0-0 6. Be3 e5 7. d5 Na6 8. g4 Nc5 9. f3 a5 10. Nge2 c6 11. dxc6 bxc6 12. Ng3 Ne6 13. Qd2 Nd4 14. Be2 Be6 15. Bxd4 exd4 16. Qxd4 Nxg4 17. Qd3 Ne5 18. Qd2 Qh4 19. Kf2 Bh6 20. Qe1 Bxc4 21. Rd1 Bxe2 22. Kxe2 d5 23. exd5 Qf4 24. Qf2 Qc4+ 25. Ke1 Nd3+ 26. Rxd3 Qxd3 27. Qf1 Qd2# 0-1

[Event "Rio de Janeiro op 3rd"]
[Site "Rio de Janeiro"]
[Date "2024.04.27"]
[Round "8"]
[White "Ramos Azevedo, Edmundo Roberto"]
[Black "Mattos, Bernardo Cunha"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1917"]
[BlackElo "1710"]
[PlyCount "57"]
[EventDate "2024.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. c3 Nc6 5. Nf3 Qb6 6. Qc1 Bf5 7. Be2 Nh5 8. Be5 Nxe5 9. Nxe5 Nf6 10. 0-0 e6 11. Bd3 Bxd3 12. Nxd3 c4 13. Ne5 Bd6 14. Nf3 0-0 15. Nbd2 Rac8 16. Qc2 Qc6 17. Rfe1 b5 18. a3 a5 19. e4 dxe4 20. Nxe4 Nxe4 21. Rxe4 b4 22. axb4 axb4 23. Ree1 h6 24. Ra5 Ra8 25. Rea1 Rxa5 26. Rxa5 Qb6 27. Ra1 Rb8 28. Ne5 bxc3 29. bxc3 1-0

[Event "Rio de Janeiro op 3rd"]
[Site "Rio de Janeiro"]
[Date "2024.04.26"]
[Round "7"]
[White "Mattos, Bernardo Cunha"]
[Black "Felix, Raimundo Nascimento"]
[Result "1-0"]
[ECO "A39"]
[WhiteElo "1710"]
[BlackElo "1850"]
[PlyCount "87"]
[EventDate "2024.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 cxd4 5. Nxd4 g6 6. g3 Bg7 7. Bg2 0-0 8. 0-0 Qb6 9. Nb3 d6 10. c5 dxc5 11. Na4 Qc7 12. Naxc5 Nd7 13. Nxd7 Bxd7 14. Nc5 Be8 15. Qb3 b6 16. Na6 Qc8 17. Nb4 Rb8 18. Bf4 Nd4 19. Qe3 a5 20. Rac1 Qd8 21. Bxb8 Qxb8 22. Nd5 e6 23. Ne7+ Kh8 24. Rfd1 Qd6 25. Nc8 Qd8 26. Qd2 Bb5 27. Bf3 e5 28. Na7 Ba6 29. Nc6 Nxf3+ 30. exf3 Qf6 31. Kg2 Bb7 32. Qd7 Bc8 33. Qe7 h5 34. Qxf6 Bxf6 35. b4 axb4 36. Nxb4 Be6 37. Nd5 Bg5 38. Rb1 Ra8 39. Nc7 Rxa2 40. Nxe6 fxe6 41. Rxb6 Be3 42. Rb8+ Kg7 43. Rd7+ Kh6 44. Rh8+ 1-0

[Event "Rio de Janeiro op 3rd"]
[Site "Rio de Janeiro"]
[Date "2024.04.25"]
[Round "5"]
[White "Mattos, Bernardo Cunha"]
[Black "Romanov, Ivan"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "1710"]
[BlackElo "1773"]
[PlyCount "59"]
[EventDate "2024.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. e4 Bb4 5. d3 d6 6. a3 Bxc3+ 7. bxc3 0-0 8. g3 Bg4 9. Bg2 Re8 10. h3 Bxf3 11. Qxf3 a6 12. 0-0 b5 13. cxb5 axb5 14. Be3 h6 15. Rfb1 Rb8 16. Rb2 Na5 17. Rab1 Qd7 18. Bxh6 c5 19. c4 b4 20. axb4 cxb4 21. Bd2 Qa7 22. Bxb4 Qa6 23. Qe2 Rb7 24. Ra1 Rxb4 25. Rxb4 Ra8 26. Rba4 Nd7 27. Rxa5 Qxa5 28. Rxa5 Rxa5 29. Qg4 Ra3 30. Qxd7 1-0

[Event "Rio de Janeiro op 3rd"]
[Site "Rio de Janeiro"]
[Date "2024.04.25"]
[Round "6"]
[White "Silva, Marcelo dos Santos"]
[Black "Mattos, Bernardo Cunha"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "1914"]
[BlackElo "1710"]
[PlyCount "68"]
[EventDate "2024.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 Nf6 3. Nc3 d5 4. d4 c6 5. cxd5 exd5 6. Bf4 Bd6 7. Bg3 Bf5 8. Qb3 Bxg3 9. hxg3 Qb6 10. Qa3 Na6 11. Nh4 Nb4 12. 0-0-0 Be6 13. Na4 Qa5 14. Nc5 Nxa2+ 15. Kc2 Nb4+ 16. Kb1 Qxa3 17. bxa3 Na6 18. Nxe6 fxe6 19. Ng6 Rg8 20. Ne5 Ne4 21. Rc1 Nd2+ 22. Kb2 Nxf1 23. Rcxf1 h6 24. f4 Rf8 25. g4 0-0-0 26. f5 Nc7 27. a4 exf5 28. gxf5 Ne8 29. Rh3 Nd6 30. g4 Rde8 31. e3 Ne4 32. Ng6 Rf6 33. Ne5 c5 34. Rc1 c4 0-1

[Event "Rio de Janeiro op 3rd"]
[Site "Rio de Janeiro"]
[Date "2024.04.24"]
[Round "4"]
[White "Dias, Clara"]
[Black "Mattos, Bernardo Cunha"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2018"]
[BlackElo "1710"]
[PlyCount "37"]
[EventDate "2024.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 0-0 8. Qc2 Re8+ 9. Ne2 h5 10. 0-0 h4 11. h3 Nd7 12. f4 Nf8 13. f5 g5 14. fxg6 Nxg6 15. Bxg6 Rxe2 16. Bxf7+ Kxf7 17. Qxe2 Qg8 18. Qh5+ Ke7 19. Qxh4 1-0

[Event "Rio de Janeiro op 3rd"]
[Site "Rio de Janeiro"]
[Date "2024.04.23"]
[Round "2"]
[White "Labarca, Martin"]
[Black "Mattos, Bernardo Cunha"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "1710"]
[PlyCount "34"]
[EventDate "2024.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. Bf4 c5 4. e3 Nc6 5. c3 Qb6 6. Qb3 Bf5 7. Qxb6 axb6 8. Nbd2 c4 9. Be2 h6 10. 0-0 e6 11. Nxc4 dxc4 12. Bxc4 Be7 13. h3 0-0 14. Bc7 Rfc8 15. Bxb6 Nb4 16. Bb5 Nc2 17. Rac1 Rxa2 0-1

[Event "Rio de Janeiro op 3rd"]
[Site "Rio de Janeiro"]
[Date "2024.04.23"]
[Round "3"]
[White "Mattos, Bernardo Cunha"]
[Black "Okamura, Milton Kasuo"]
[Result "0-1"]
[ECO "A28"]
[WhiteElo "1710"]
[BlackElo "1950"]
[PlyCount "36"]
[EventDate "2024.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e4 Bb4 5. d3 0-0 6. a3 Bxc3+ 7. bxc3 h6 8. g3 d6 9. Bg2 Be6 10. 0-0 Qd7 11. Nh4 Ne7 12. f4 Bg4 13. Bf3 c6 14. fxe5 dxe5 15. Bxg4 Nxg4 16. h3 Nf6 17. Bxh6 Qxh3 18. Qe1 Ng4 0-1

[Event "Rio de Janeiro op 3rd"]
[Site "Rio de Janeiro"]
[Date "2024.04.22"]
[Round "1"]
[White "Mattos, Bernardo Cunha"]
[Black "Zacarias, Rodrigo Medeiros"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "1710"]
[BlackElo "2101"]
[PlyCount "68"]
[EventDate "2024.04.22"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c6 3. Nf3 d5 4. e3 e6 5. b3 Nbd7 6. Bb2 Bd6 7. Qc2 0-0 8. Rg1 e5 9. cxd5 cxd5 10. Nb5 Qe7 11. Nxd6 Qxd6 12. a4 e4 13. Ba3 Qb8 14. Bxf8 Nxf8 15. Nd4 Qxh2 16. Ne2 Bg4 17. f3 exf3 18. gxf3 Bxf3 19. 0-0-0 Bxe2 20. Bxe2 Qxe2 21. Qc7 Qa6 22. Kb2 Ng6 23. Rc1 Re8 24. Qc3 Qe6 25. Qc7 Ne5 26. Ka3 Ne4 27. Qxb7 Nxd2 28. Qxa7 d4 29. Qb7 dxe3 30. a5 Qd6+ 31. Ka4 Nd3 32. Rc2 Re4+ 33. Qxe4 Nb2+ 34. Kb5 Qb8+ 0-1

[Event "Sao Paulo Sampa op"]
[Site "Sao Paulo"]
[Date "2024.02.03"]
[Round "7"]
[White "Leon Lopes, Sergio Amadeus"]
[Black "Mattos, Bernardo Cunha"]
[Result "1-0"]
[ECO "D32"]
[WhiteElo "1858"]
[BlackElo "1567"]
[PlyCount "109"]
[EventDate "2024.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 d5 3. e3 c5 4. cxd5 exd5 5. d4 Nc6 6. Nf3 Nf6 7. Bb5 Be7 8. Ne5 Bd7 9. 0-0 0-0 10. Nxd7 Qxd7 11. Ne2 a6 12. Bd3 c4 13. Bb1 b5 14. Ng3 g6 15. Qe2 Bd6 16. Rd1 Rfe8 17. Qf3 Qe6 18. Bd2 Ne4 19. Nxe4 dxe4 20. Qe2 Qd5 21. b3 Bb4 22. bxc4 Qxc4 23. Qxc4 bxc4 24. a3 Bxd2 25. Rxd2 Na5 26. Ba2 Rec8 27. Rb1 c3 28. Rc2 Rab8 29. Rb4 Kg7 30. h4 Rxb4 31. axb4 Nb7 32. Bd5 Nd6 33. f3 f5 34. fxe4 Nxe4 35. Bb7 Rc4 36. Bxe4 fxe4 37. g4 Kf6 38. Kf2 h6 39. Ke1 g5 40. h5 Ke6 41. Kd1 Kd6 42. Re2 Rc6 43. Ra2 c2+ 44. Kc1 Rc3 45. Rxa6+ Ke7 46. Rxh6 Rxe3 47. Rg6 Rd3 48. Rxg5 Rxd4 49. h6 Kf7 50. h7 Rd8 51. Rg8 Rxg8 52. hxg8Q+ Kxg8 53. Kxc2 Kf7 54. Kd2 Kf6 55. Ke3 1-0

[Event "Sao Paulo Sampa op"]
[Site "Sao Paulo"]
[Date "2024.02.03"]
[Round "8"]
[White "Mattos, Bernardo Cunha"]
[Black "Re, Vinicius"]
[Result "0-1"]
[ECO "E90"]
[WhiteElo "1567"]
[BlackElo "1195"]
[PlyCount "68"]
[EventDate "2024.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2025"]
[Source "ChessBase"]
[SourceDate "2024.10.14"]
[SourceVersion "1"]
[SourceVersionDate "2024.10.14"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. e4 d6 4. d4 Bg7 5. h3 0-0 6. Be3 Nc6 7. Nf3 e5 8. d5 Ne7 9. Qd2 Nh5 10. g4 Nf6 11. Be2 Ne8 12. Bh6 f5 13. gxf5 gxf5 14. Bxg7 Nxg7 15. h4 fxe4 16. Nxe4 Bg4 17. Nfg5 Bxe2 18. Qxe2 Nef5 19. 0-0-0 Nd4 20. Qg4 Rf4 21. Qg2 Kh8 22. Qh2 Qd7 23. Rxd4 Nf5 24. Nf6 Qg7 25. Rxf4 exf4 26. Nfxh7 Nd4 27. Re1 f3 28. Re4 Ne2+ 29. Kb1 Qg6 30. Ka1 Re8 31. Rxe8+ Qxe8 32. a3 Qh5 33. Qh1 Nd4 34. Qc1 Nb3+ 0-1

[Event "Sao Paulo Sampa op"]
[Site "Sao Paulo"]
[Date "2024.02.02"]
[Round "6"]
[White "Mattos, Bernardo Cunha"]
[Black "Silva, Kaua Marques"]
[Result "0-1"]
[ECO "A33"]
[WhiteElo "1567"]
[BlackElo "2215"]
[PlyCount "62"]
[EventDate "2024.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 218 Extra"]
[Source "ChessBase"]
[SourceDate "2024.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. Nf3 Nc6 4. d4 cxd4 5. Nxd4 e6 6. Bf4 Bc5 7. Nxc6 bxc6 8. Bd6 Qb6 9. Bxc5 Qxc5 10. e3 Rb8 11. Qd2 0-0 12. Be2 d5 13. cxd5 exd5 14. 0-0 Re8 15. Rac1 Qd6 16. Rfd1 h5 17. h3 Bd7 18. Bf3 Qe5 19. b3 g5 20. Qd4 g4 21. Qxe5 Rxe5 22. hxg4 hxg4 23. Be2 Kg7 24. g3 Rh8 25. Bf1 Reh5 26. Bg2 Bf5 27. Kf1 Rh2 28. Ne2 Be4 29. Nf4 Bf3 30. Bxf3 gxf3 31. Ke1 Ne4 0-1

[Event "Sao Paulo Sampa op"]
[Site "Sao Paulo"]
[Date "2024.02.01"]
[Round "5"]
[White "Terra, Bruno De Oliveira"]
[Black "Mattos, Bernardo Cunha"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "1567"]
[PlyCount "86"]
[EventDate "2024.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 218 Extra"]
[Source "ChessBase"]
[SourceDate "2024.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 c5 3. e3 Nc6 4. Nf3 Nf6 5. h3 Qb6 6. b3 Bf5 7. Be2 Qa5+ 8. Qd2 Qxd2+ 9. Nbxd2 cxd4 10. Nxd4 Nxd4 11. exd4 Bxc2 12. Rc1 Bf5 13. Rc7 Rc8 14. Bb5+ Kd8 15. Rxc8+ Bxc8 16. Ke2 a6 17. Bd3 e6 18. Rc1 Ne8 19. Nf3 f6 20. h4 Bd6 21. Be3 Bd7 22. a4 Nc7 23. Bd2 Bc6 24. g4 Ke7 25. g5 e5 26. gxf6+ gxf6 27. dxe5 fxe5 28. Bg5+ Kf7 29. Nd2 e4 30. Nxe4 dxe4 31. Bc4+ Bd5 32. Rd1 Bxc4+ 33. bxc4 Ke6 34. Rb1 Rb8 35. Ke3 Kf5 36. Rd1 Ne8 37. Rd5+ Kg6 38. Kxe4 Rc8 39. Kd4 b6 40. h5+ Kg7 41. Rf5 Bc5+ 42. Ke5 h6 43. Bh4 Rc6 0-1

[Event "Sao Paulo Sampa op"]
[Site "Sao Paulo"]
[Date "2024.01.30"]
[Round "3"]
[White "Kassab, Alexandre T Canelas"]
[Black "Mattos, Bernardo Cunha"]
[Result "1-0"]
[ECO "D37"]
[BlackElo "1567"]
[PlyCount "69"]
[EventDate "2024.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 218 Extra"]
[Source "ChessBase"]
[SourceDate "2024.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. e3 0-0 6. Bd3 dxc4 7. Bxc4 b6 8. 0-0 Bb7 9. Qe2 Nbd7 10. Rd1 Qc8 11. e4 Bb4 12. e5 Bxc3 13. bxc3 Nd5 14. Bd2 c5 15. Bd3 h6 16. Qe4 N5f6 17. Qh4 Nh7 18. Bxh6 gxh6 19. Qxh6 f5 20. Qxe6+ Rf7 21. Bc4 Qe8 22. Qxf5 Kf8 23. Bxf7 Qxf7 24. Qxf7+ Kxf7 25. d5 Ke7 26. c4 Rf8 27. Re1 Rf4 28. Rad1 Rxc4 29. e6 Ndf6 30. d6+ Kd8 31. e7+ Ke8 32. d7+ Nxd7 33. Rxd7 Bc6 34. Rd8+ Kf7 35. Ne5+ 1-0

[Event "Sao Paulo Sampa op"]
[Site "Sao Paulo"]
[Date "2024.01.30"]
[Round "2"]
[White "Mattos, Bernardo Cunha"]
[Black "Carvalho, Celestino Jr"]
[Result "0-1"]
[ECO "E60"]
[WhiteElo "1567"]
[BlackElo "1918"]
[PlyCount "58"]
[EventDate "2024.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 218 Extra"]
[Source "ChessBase"]
[SourceDate "2024.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 d6 4. d4 exd4 5. Nxd4 g6 6. g3 Bg7 7. Bg2 0-0 8. 0-0 Nbd7 9. b3 Nc5 10. Bb2 a5 11. Re1 Re8 12. Qd2 Bg4 13. h3 Bd7 14. Rad1 Nfe4 15. Nxe4 Nxe4 16. Qd3 Nc5 17. Qd2 Qc8 18. Kh2 h5 19. e4 Qd8 20. Bc3 Ne6 21. Nxe6 Bxe6 22. Bb2 a4 23. Bxg7 Kxg7 24. b4 Qf6 25. e5 dxe5 26. Bxb7 Rab8 27. Bd5 Bxd5 28. cxd5 Rb6 29. a3 h4 0-1

[Event "Sao Paulo Sampa op"]
[Site "Sao Paulo"]
[Date "2024.01.29"]
[Round "1"]
[White "Dos Santos, Andre Vicente"]
[Black "Mattos, Bernardo Cunha"]
[Result "0-1"]
[ECO "B22"]
[BlackElo "1567"]
[PlyCount "60"]
[EventDate "2024.01.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 218 Extra"]
[Source "ChessBase"]
[SourceDate "2024.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 d6 7. Be2 Nc6 8. 0-0 dxe5 9. dxe5 Be7 10. Bc4 0-0 11. Na3 Bxa3 12. bxa3 Nb6 13. Bb3 Qxd1 14. Rxd1 h6 15. Bb2 Ne7 16. h4 Ned5 17. Ne1 Bd7 18. Nc2 a5 19. Bxd5 Nxd5 20. Ne3 Ba4 21. Rd4 Nxe3 22. Rxa4 Nd5 23. Rc4 Rfc8 24. Rac1 Nb6 25. Rc7 Rab8 26. Bd4 Rxc7 27. Rxc7 Nd5 28. Rc1 Nf4 29. Kf1 Rd8 30. Be3 Ng6 0-1

[Event "Niteroi op 3rd"]
[Site "Niteroi"]
[Date "2023.09.10"]
[Round "9"]
[White "Mattos, Bernardo Cunha"]
[Black "Bastos, Gabriel Andrade"]
[Result "1/2-1/2"]
[ECO "A24"]
[WhiteElo "1517"]
[BlackElo "1780"]
[PlyCount "26"]
[EventDate "2023.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. Nc3 e5 7. d4 exd4 8. Nxd4 Re8 9. Bf4 Nh5 10. Be3 c6 11. Qd2 Nf6 12. Bh6 Bh8 13. Rad1 Nbd7 1/2-1/2

[Event "Niteroi op 3rd"]
[Site "Niteroi"]
[Date "2023.09.09"]
[Round "8"]
[White "Zacarias, Rodrigo Medeiros"]
[Black "Mattos, Bernardo Cunha"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "2121"]
[BlackElo "1517"]
[PlyCount "59"]
[EventDate "2023.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 Bb4 7. Nxc6 bxc6 8. 0-0 0-0 9. e5 Bxc3 10. bxc3 Nd5 11. Qd4 Qe7 12. Bd3 a5 13. a4 c5 14. Qe4 f5 15. exf6 Qxf6 16. Qxh7+ Kf7 17. Qh5+ g6 18. Qh7+ Ke8 19. Qxg6+ Qxg6 20. Bxg6+ Kd8 21. Bg5+ Kc7 22. Bd2 Bb7 23. Be4 Ba6 24. Bxd5 exd5 25. Rfe1 Rf7 26. Bg5 Kd6 27. f4 Rb8 28. Rab1 Rxb1 29. Rxb1 Kc6 30. Bd8 1-0

[Event "Niteroi op 3rd"]
[Site "Niteroi"]
[Date "2023.09.08"]
[Round "7"]
[White "Mattos, Bernardo Cunha"]
[Black "Leao, Flavio Sanchez"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "1517"]
[BlackElo "1838"]
[PlyCount "48"]
[EventDate "2023.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 c6 5. cxd5 exd5 6. d4 Bd6 7. 0-0 0-0 8. Nc3 Bg4 9. Qc2 h6 10. e4 dxe4 11. Nxe4 Nxe4 12. Qxe4 Be6 13. Be3 Nd7 14. Qc2 Qf6 15. Nd2 Bf5 16. Qb3 Nb6 17. Ne4 Bxe4 18. Bxe4 Rfe8 19. Bg2 Qe6 20. Qxe6 Rxe6 21. Rac1 Nd5 22. Bxd5 cxd5 23. Rc3 Ree8 24. Rfc1 g5 1/2-1/2

[Event "Niteroi op 3rd"]
[Site "Niteroi"]
[Date "2023.09.07"]
[Round "5"]
[White "Mattos, Bernardo Cunha"]
[Black "Silva, Caio Henrique Angel"]
[Result "0-1"]
[ECO "D75"]
[WhiteElo "1517"]
[BlackElo "2108"]
[PlyCount "66"]
[EventDate "2023.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d5 6. cxd5 Nxd5 7. Nc3 c5 8. d4 Nxc3 9. bxc3 Nc6 10. e3 Qa5 11. Bb2 Rd8 12. Qc2 Be6 13. Rfd1 Rac8 14. c4 cxd4 15. exd4 Nb4 16. Qd2 Rxc4 17. Bc3 Qa3 18. Bxb4 Qxb4 19. Qxb4 Rxb4 20. a3 Rb3 21. Rdb1 b6 22. Rxb3 Bxb3 23. Rc1 Bxd4 24. Rb1 Bc4 25. Re1 Bf6 26. Rc1 Be2 27. Re1 Rd1 28. Rxd1 Bxd1 29. Nd2 Bc3 30. Nc4 Bb3 31. Bf1 b5 32. Ne3 a6 33. a4 Bxa4 0-1

[Event "Niteroi op 3rd"]
[Site "Niteroi"]
[Date "2023.09.07"]
[Round "6"]
[White "Nascimento, Daniel Rojas"]
[Black "Mattos, Bernardo Cunha"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1909"]
[BlackElo "1517"]
[PlyCount "57"]
[EventDate "2023.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. Nbd2 Nf6 5. g3 d5 6. Bg2 Be7 7. 0-0 0-0 8. Re1 d4 9. e5 Nd5 10. a4 b6 11. h4 Bb7 12. Nc4 a6 13. Bg5 Qc7 14. Bxe7 Ncxe7 15. Nd6 Nc8 16. Nxb7 Qxb7 17. Ng5 Nce7 18. Qh5 h6 19. Ne4 Qd7 20. a5 Rab8 21. Nd6 Nc8 22. Ne4 Nce7 23. axb6 Rxb6 24. Nxc5 Qc6 25. Ne4 Qxc2 26. Nf6+ gxf6 27. exf6 Rxb2 28. Rf1 Qxd3 29. fxe7 1-0

[Event "Niteroi op 3rd"]
[Site "Niteroi"]
[Date "2023.09.06"]
[Round "4"]
[White "Bezerra, Natacio Goncalves"]
[Black "Mattos, Bernardo Cunha"]
[Result "0-1"]
[ECO "C00"]
[WhiteElo "1991"]
[BlackElo "1517"]
[PlyCount "54"]
[EventDate "2023.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Nf6 5. Qe2 Be7 6. 0-0 d5 7. exd5 exd5 8. Rd1 d4 9. d3 0-0 10. Bg5 h6 11. Bxf6 Bxf6 12. Nbd2 Re8 13. Ne4 Kh8 14. Qd2 b6 15. Nxf6 Qxf6 16. Nxd4 cxd4 17. b4 Bb7 18. a4 Re7 19. a5 Ne5 20. Bxb7 Rxb7 21. Qf4 Qxf4 22. gxf4 Nc6 23. a6 Re7 24. b5 Nb4 25. Rd2 Nd5 26. Ra4 Nxf4 27. Rc4 Rae8 0-1

[Event "Niteroi op 3rd"]
[Site "Niteroi"]
[Date "2023.09.05"]
[Round "3"]
[White "Mattos, Bernardo Cunha"]
[Black "Dos Santos, Gilvan Nobrega"]
[Result "1-0"]
[ECO "A55"]
[WhiteElo "1517"]
[BlackElo "1865"]
[PlyCount "99"]
[EventDate "2023.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 d6 3. Nf3 c6 4. d4 Qc7 5. e4 e5 6. Be2 Be7 7. 0-0 Nbd7 8. Be3 Nf8 9. d5 c5 10. a3 Ng6 11. b4 b6 12. Rb1 0-0 13. Ne1 a6 14. Nd3 Ne8 15. bxc5 bxc5 16. Na4 Nf6 17. Nb6 Rb8 18. Nxc8 Rfxc8 19. f3 Rxb1 20. Qxb1 Rb8 21. Qa2 h6 22. Rb1 Nh4 23. g3 Ng6 24. Rxb8+ Qxb8 25. Qb2 Qxb2 26. Nxb2 Nd7 27. a4 Bg5 28. Bxg5 hxg5 29. Bd1 a5 30. Bb3 Kf8 31. Nd1 Ke7 32. Ne3 Nb6 33. Nf5+ Kd7 34. Nxg7 Ne7 35. Kg2 Ng6 36. Nf5 Nc8 37. Kh3 Nce7 38. Kg4 f6 39. Ng7 Ng8 40. Nf5 N8e7 41. Bd1 Nc8 42. Kh5 Nce7 43. Nxe7 Nxe7 44. Kh6 Ke8 45. Kg7 f5 46. Kf6 g4 47. exf5 gxf3 48. Bxf3 Kf8 49. h4 Nc8 50. Ke6 1-0

[Event "Niteroi op 3rd"]
[Site "Niteroi"]
[Date "2023.09.05"]
[Round "2"]
[White "Santos, Alan Gomes Florenci"]
[Black "Mattos, Bernardo Cunha"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1722"]
[BlackElo "1517"]
[PlyCount "93"]
[EventDate "2023.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 e6 4. cxd5 exd5 5. Nc3 c6 6. Bf4 Bf5 7. e3 Bb4 8. a3 Bxc3+ 9. bxc3 Ne4 10. Qb3 Qb6 11. Qxb6 axb6 12. c4 0-0 13. cxd5 cxd5 14. Nd2 Nc3 15. Be2 Nd7 16. Bf3 Bd3 17. Bd6 Rfc8 18. Bb4 Nf6 19. Bd1 Nxd1 20. Rxd1 Ne4 21. f3 Nc3 22. Rc1 Na2 23. Rxc8+ Rxc8 24. Nf1 Nxb4 25. axb4 Rc4 26. Kd2 Bg6 27. Ng3 Rc2+ 28. Ke1 Rxg2 29. Ne2 Bd3 30. Nf4 Ra2 31. Nxd3 Ra1+ 32. Kd2 Rxh1 33. Nf4 Rxh2+ 34. Kd3 Rh6 35. Nxd5 Rd6 36. Nf4 g5 37. Ne2 h5 38. e4 f6 39. b5 h4 40. Ng1 Kf7 41. d5 Rd8 42. Nh3 Ke7 43. Kd4 Kd6 44. Nf2 Rh8 45. Ng4 h3 46. Nh2 Rh4 47. Ke3 0-1

[Event "Niteroi op 3rd"]
[Site "Niteroi"]
[Date "2023.09.04"]
[Round "1"]
[White "Mattos, Bernardo Cunha"]
[Black "Souza, Iago Henrique Da Si"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1517"]
[BlackElo "2037"]
[PlyCount "49"]
[EventDate "2023.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. c4 c6 2. Nc3 d5 3. e3 e5 4. cxd5 cxd5 5. d4 e4 6. Nge2 Nf6 7. Nf4 Nc6 8. a3 a6 9. Be2 Be7 10. 0-0 0-0 11. Qb3 Na5 12. Qa2 Bd6 13. Ncxd5 Nxd5 14. Qxd5 g5 15. Qxe4 Re8 16. Qf3 gxf4 17. exf4 Bf5 18. Bd2 Be4 19. Qg4+ Kh8 20. f3 Bc2 21. Bd1 Bxd1 22. Raxd1 Nc4 23. f5 Nxd2 24. Rxd2 Be7 25. Rd3 0-1

[Event "Pindamonhangaba Rezende Memorial"]
[Site "Pindamonhangaba"]
[Date "2023.08.04"]
[Round "1"]
[White "Campelo, Leandro Fabricio"]
[Black "Mattos, Bernardo Cunha"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "2121"]
[BlackElo "1522"]
[PlyCount "85"]
[EventDate "2023.08.04"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be3 Bb4 7. Bd3 d5 8. Nxc6 bxc6 9. exd5 cxd5 10. 0-0 0-0 11. Bd4 Re8 12. f4 Bd6 13. Qf3 Bd7 14. Rae1 Qe7 15. Kh1 Bc5 16. Be5 Bc6 17. Qh3 h6 18. Rf3 Ne4 19. Nxe4 dxe4 20. Bxe4 Bxe4 21. Rxe4 Rad8 22. Re1 Bd4 23. Rg3 Bxe5 24. fxe5 Kh8 25. Qg4 g6 26. h3 Qc5 27. Qf4 Kg7 28. Qf6+ Kg8 29. Rxg6+ fxg6 30. Qxg6+ Kh8 31. Qxh6+ Kg8 32. Qg6+ Kh8 33. Re4 Qe7 34. Qh6+ Qh7 35. Qf6+ Qg7 36. Rh4+ Kg8 37. Rg4 Re7 38. Rxg7+ Rxg7 39. c4 Rf7 40. Qg6+ Kf8 41. Kg1 Rg7 42. Qh6 Re8 43. Qf6+ 1-0

[Event "Rio de Janeiro op 2nd"]
[Site "Rio de Janeiro"]
[Date "2023.05.04"]
[Round "4"]
[White "Matsura, Eduardo"]
[Black "Mattos, Bernardo Cunha"]
[Result "1/2-1/2"]
[ECO "A01"]
[WhiteElo "1702"]
[PlyCount "79"]
[EventDate "2023.05.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 d5 3. g3 c5 4. Bg2 Nc6 5. d3 e6 6. Nd2 b6 7. e3 Bb7 8. Ne2 Be7 9. 0-0 0-0 10. h3 Qc7 11. f4 Rad8 12. Nf3 Rd7 13. Qc1 Rfd8 14. Ne5 Nxe5 15. Bxe5 Qc8 16. Qb2 c4 17. Bxf6 Bxf6 18. d4 Rc7 19. bxc4 Ba6 20. Rfc1 Rxc4 21. Bf1 Rc7 22. Kg2 Rd6 23. a4 Rdc6 24. c3 Bxe2 25. Bxe2 Rxc3 26. Rxc3 Rxc3 27. Kf2 Be7 28. a5 Rc2 29. Qb3 Qc4 30. Qxc4 dxc4 31. axb6 axb6 32. Ra8+ Bf8 33. Rb8 Rb2 34. Ke1 c3 35. Rc8 c2 36. Bd3 Rb1+ 37. Kd2 c1Q+ 38. Rxc1 Bb4+ 39. Kc2 Rxc1+ 40. Kxc1 1/2-1/2

[Event "BRA Amateur-ch U1400"]
[Site "Sao Paulo"]
[Date "2022.11.06"]
[Round "7"]
[White "Marmilli, Matheus Bellentani"]
[Black "Mattos, Bernardo Cunha"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "1812"]
[BlackElo "1800"]
[PlyCount "97"]
[EventDate "2022.11.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 0-0 6. e3 b6 7. Be2 dxc4 8. Bxc4 Bb7 9. 0-0 Nbd7 10. Rc1 c5 11. dxc5 Nxc5 12. Be2 h6 13. Bh4 Rc8 14. Qxd8 Rfxd8 15. Rfd1 a5 16. a3 a4 17. Rxd8+ Rxd8 18. Rd1 Rxd1+ 19. Bxd1 Bc6 20. Nd4 Bd7 21. Bg3 Nce4 22. Bxa4 Nxc3 23. Bxd7 Nxd7 24. bxc3 Bxa3 25. Nb5 Bc5 26. Bd6 Bxd6 27. Nxd6 Kf8 28. Kf1 Ke7 29. Nc4 Kd8 30. Ke2 Kc7 31. Kd3 Kc6 32. Kd4 Nc5 33. Ne5+ Kd6 34. Nxf7+ Ke7 35. Ne5 Kd6 36. Nd3 Nd7 37. f4 Nf6 38. Ne5 Nd5 39. g3 b5 40. e4 Ne7 41. Nf7+ Kc6 42. Nd8+ Kd7 43. Nb7 Kc7 44. Na5 Kb6 45. Nb3 Nc6+ 46. Kd3 g6 47. Nd4 Nd8 48. Nf3 Nb7 49. Kd4 1-0

[Event "BRA Amateur-ch U1400"]
[Site "Sao Paulo"]
[Date "2022.11.05"]
[Round "6"]
[White "Mattos, Bernardo Cunha"]
[Black "Bortoletto, Thiago Namidomi"]
[Result "1-0"]
[ECO "A28"]
[WhiteElo "1800"]
[BlackElo "1800"]
[PlyCount "97"]
[EventDate "2022.11.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 Bb4 4. e4 Nf6 5. d3 Bxc3+ 6. bxc3 d6 7. Be2 Qe7 8. 0-0 Bg4 9. h3 Bh5 10. Bg5 h6 11. Bh4 g5 12. Bg3 g4 13. Nh2 Qe6 14. hxg4 Bg6 15. f4 exf4 16. Bxf4 0-0-0 17. g5 Ng8 18. gxh6 Kb8 19. Qd2 Rh7 20. Rab1 f5 21. exf5 Bxf5 22. Bf3 Nge7 23. Bg5 b6 24. Bxc6 Nxc6 25. Bxd8 Nxd8 26. Rbe1 Qg6 27. Rf3 Rxh6 28. Rxf5 Rxh2 29. Kxh2 Qxf5 30. Kg1 Qc5+ 31. Qf2 Qa3 32. Re8 Qc1+ 33. Qe1 Qg5 34. Qe3 Qf6 35. Qe7 Qxe7 36. Rxe7 Nc6 37. Rh7 Ne5 38. Rh3 Kb7 39. d4 Ng6 40. Kf2 a5 41. Rg3 Nf4 42. Kf3 Ne6 43. Rg8 c5 44. d5 Kc7 45. dxe6 b5 46. e7 bxc4 47. e8Q Kb7 48. Rg7+ Ka6 49. Qc6# 1-0

[Event "BRA Amateur-ch U1400"]
[Site "Sao Paulo"]
[Date "2022.11.05"]
[Round "5"]
[White "Mattos, Bernardo Cunha"]
[Black "Ferreira, Wagner Maria Gangin"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "1800"]
[BlackElo "1157"]
[PlyCount "59"]
[EventDate "2022.11.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. e3 e6 5. d4 cxd4 6. exd4 Be7 7. d5 exd5 8. cxd5 Nb8 9. d6 Bxd6 10. Qxd6 Qe7+ 11. Qxe7+ Kxe7 12. Bg5 Re8 13. 0-0-0 Nc6 14. Re1+ Kf8 15. Rxe8+ Kxe8 16. Bxf6 gxf6 17. Nd5 Kf8 18. Nxf6 Kg7 19. Ne8+ Kf8 20. Nd6 Ke7 21. Nxc8+ Rxc8 22. Kb1 f6 23. Bb5 a6 24. Bxc6 dxc6 25. Re1+ Kf7 26. Kc2 c5 27. Re4 b5 28. g3 a5 29. a4 b4 30. Nh4 1-0

[Event "BRA Amateur-ch U1400"]
[Site "Sao Paulo"]
[Date "2022.11.04"]
[Round "4"]
[White "Bianchini, Marlon"]
[Black "Mattos, Bernardo Cunha"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "1183"]
[BlackElo "1800"]
[PlyCount "75"]
[EventDate "2022.11.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Be2 Bb4 7. 0-0 Bxc3 8. bxc3 Nxe4 9. Nxc6 bxc6 10. Qd4 Nf6 11. Ba3 d5 12. c4 Ba6 13. Rfd1 Qc7 14. Bd3 Rd8 15. cxd5 Rxd5 16. Qa4 Bxd3 17. Rxd3 Nd7 18. Qh4 Nf6 19. Bb2 Rh5 20. Qg3 Qxg3 21. hxg3 0-0 22. Ra3 a5 23. Rd1 h6 24. Bxf6 gxf6 25. Rc3 Rd5 26. Rxd5 cxd5 27. Rc5 a4 28. Kf1 Rb8 29. Ra5 Rb2 30. Rxa4 Rxc2 31. Ra8+ Kg7 32. a4 d4 33. a5 d3 34. Ke1 Ra2 35. a6 e5 36. a7 Kg6 37. Rg8+ Kf5 38. a8Q 1-0

[Event "BRA Amateur-ch U1400"]
[Site "Sao Paulo"]
[Date "2022.11.03"]
[Round "2"]
[White "Baena, Mauricio"]
[Black "Mattos, Bernardo Cunha"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "1800"]
[BlackElo "1800"]
[PlyCount "88"]
[EventDate "2022.11.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 Nf6 3. Bb2 g6 4. e3 Bg7 5. c4 e6 6. Be2 dxc4 7. Bxc4 0-0 8. 0-0 Nc6 9. d4 Re8 10. Nbd2 b6 11. Bb5 Bb7 12. Ne5 Qd5 13. Bc4 Qd8 14. a4 Nxe5 15. dxe5 Nd7 16. f4 Nc5 17. Qc2 Qh4 18. Nf3 Qg4 19. h3 Qh5 20. Kh2 Be4 21. Qe2 a5 22. g4 Qh6 23. Ba3 Bf8 24. Rg1 Rad8 25. g5 Qh5 26. Rg4 Bxf3 27. Qxf3 Rd2+ 28. Kg1 Red8 29. Bxc5 Bxc5 30. Re1 h6 31. Qg3 hxg5 32. Rxg5 Qh7 33. f5 Be7 34. fxg6 fxg6 35. Rxg6+ Kh8 36. Qg4 Rd1 37. Rxd1 Rxd1+ 38. Kg2 Rd2+ 39. Kf1 Bc5 40. Bxe6 Rd1+ 41. Kf2 Rd8 42. Ke2 Bb4 43. Qf5 Rd2+ 44. Kf3 Rd8 1-0

[Event "BRA Amateur-ch U1400"]
[Site "Sao Paulo"]
[Date "2022.11.03"]
[Round "1"]
[White "Mattos, Bernardo Cunha"]
[Black "De Castro, Bruno Roberto Ruocc"]
[Result "0-1"]
[ECO "A17"]
[WhiteElo "1800"]
[BlackElo "1800"]
[PlyCount "124"]
[EventDate "2022.11.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 211 Extra"]
[Source "ChessBase"]
[SourceDate "2023.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.01.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 Nc6 4. g3 Be7 5. Bg2 0-0 6. 0-0 d5 7. cxd5 exd5 8. d4 h6 9. b3 Bf5 10. Bb2 Re8 11. Re1 Nb4 12. Rc1 Ne4 13. a3 Nxc3 14. Rxc3 Nc6 15. Qc1 Rc8 16. Ne5 Nxd4 17. Qd1 Bf6 18. Rc5 c6 19. Bxd4 Bxe5 20. Bxe5 Rxe5 21. Qc1 Qe7 22. Kf1 Re8 23. e3 Bd3+ 24. Kg1 Ba6 25. b4 d4 26. Rxe5 Qxe5 27. Bf1 d3 28. Rd1 Rd8 29. Rd2 Qe6 30. Qc3 Qc4 31. Qxc4 Bxc4 32. f4 b6 33. Kf2 c5 34. Ke1 Bb5 35. a4 Bxa4 36. bxc5 bxc5 37. Rxd3 Rxd3 38. Bxd3 Kf8 39. Bc4 Ke7 40. Kd2 f6 41. Kc3 Kd6 42. Kb2 Bc6 43. Kc3 a5 44. Kb2 Bd5 45. Bd3 c4 46. Bc2 Kc5 47. Ka3 Bc6 48. Bd1 Be4 49. Ka4 c3 50. Kb3 c2 51. Bxc2 Bxc2+ 52. Kxc2 Kc4 53. Kd2 a4 54. e4 Kd4 55. e5 fxe5 56. fxe5 Kxe5 57. Kc3 Kf5 58. h3 Ke4 59. Kb4 Kf3 60. Kxa4 Kxg3 61. Kb5 Kxh3 62. Kc6 g5 0-1

