[Event "Jose de Freitas op 7th"]
[Site "Jose de Freitas"]
[Date "2024.07.14"]
[Round "4"]
[White "Dos Santos, Joao Mateus Araujo"]
[Black "Silva, Ronnyel Carlos Cunh"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "2043"]
[BlackElo "1834"]
[PlyCount "99"]
[EventDate "2024.07.13"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. g3 dxc4 4. Bg2 Nf6 5. Nf3 c5 6. 0-0 Nc6 7. Qa4 Bd7 8. Qxc4 cxd4 9. Nxd4 Rc8 10. Rd1 Nb4 11. Qb3 e5 12. a3 exd4 13. axb4 Qb6 14. Bg5 Be7 15. e3 0-0 16. exd4 h6 17. Bd2 Bf5 18. Nc3 Bxb4 19. Na4 Bc2 20. Nxb6 Bxb3 21. Nxc8 Bxd1 22. Rxd1 Bxd2 23. Ne7+ Kh7 24. Rxd2 Rd8 25. Nf5 g6 26. Ne3 Rd7 27. d5 Kg7 28. Nc4 b5 29. Na5 Ne8 30. Nc6 Nd6 31. b3 f5 32. Ra2 Nc8 33. Ra5 Rb7 34. Bf1 b4 35. Ba6 Rc7 36. Bxc8 Rxc8 37. Rxa7+ Kf6 38. Rb7 Ra8 39. Rxb4 Ra1+ 40. Kg2 Rd1 41. Rb5 g5 42. h3 h5 43. Rc5 Rd2 44. b4 Rd1 45. b5 Rb1 46. d6 Ke6 47. Rd5 Kd7 48. Ne5+ Ke6 49. Rd2 Kxe5 50. d7 1-0

[Event "Jose de Freitas op 7th"]
[Site "Jose de Freitas"]
[Date "2024.07.14"]
[Round "5"]
[White "Veloso, Henrique Barbosa"]
[Black "Dos Santos, Joao Mateus Araujo"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2018"]
[BlackElo "2043"]
[PlyCount "25"]
[EventDate "2024.07.13"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. g4 d5 2. Bg2 Bxg4 3. c4 d4 4. d3 Nc6 5. Nf3 e5 6. 0-0 Nf6 7. Nbd2 Bd6 8. Rb1 0-0 9. b4 Nxb4 10. Nxe5 Nxa2 11. Nxg4 Nc3 12. Nxf6+ Qxf6 13. Qc2 1/2-1/2

[Event "Jose de Freitas op 7th"]
[Site "Jose de Freitas"]
[Date "2024.07.13"]
[Round "1"]
[White "Dos Santos, Gabrielly Goncalves"]
[Black "Dos Santos, Joao Mateus Araujo"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1716"]
[BlackElo "2043"]
[PlyCount "76"]
[EventDate "2024.07.13"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Nxe4 5. Nd5 Bc5 6. 0-0 0-0 7. d3 Nf6 8. Bg5 Be7 9. a3 Nxd5 10. Bxd5 Bxg5 11. Bxc6 dxc6 12. Nxe5 Qd4 13. Nf3 Qf6 14. Nxg5 Qxg5 15. f4 Qf6 16. c3 Rd8 17. Qc2 Bf5 18. Rad1 c5 19. c4 Rd6 20. Qb3 Rb6 21. Qc3 Rxb2 22. Qxf6 gxf6 23. h3 Rd8 24. Rf3 Be4 25. Re3 Rxg2+ 26. Kf1 Bc6 27. Re7 Rh2 28. Rxc7 Rh1+ 29. Ke2 Bf3+ 30. Kxf3 Rxd1 31. Rxc5 R1xd3+ 32. Kg4 Kg7 33. h4 Re8 34. Rf5 Kg6 35. h5+ Kg7 36. h6+ Kg6 37. Rh5 Re4 38. c5 Rxf4+ 0-1

[Event "Jose de Freitas op 7th"]
[Site "Jose de Freitas"]
[Date "2024.07.13"]
[Round "2"]
[White "Dos Santos, Joao Mateus Araujo"]
[Black "Silva, Ramon Domingos Cunh"]
[Result "1-0"]
[ECO "D34"]
[WhiteElo "2043"]
[BlackElo "1900"]
[PlyCount "106"]
[EventDate "2024.07.13"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. g3 Nf6 4. Bg2 c5 5. cxd5 exd5 6. Nf3 Nc6 7. 0-0 Be7 8. Nc3 0-0 9. Bg5 h6 10. Be3 c4 11. Ne5 Be6 12. Qa4 Qb6 13. Qc2 Rfd8 14. Rad1 Nh7 15. Nxc4 dxc4 16. d5 Qc7 17. dxe6 fxe6 18. Qe4 Ne5 19. Bf4 Bf6 20. Qxb7 Qxb7 21. Bxb7 Rab8 22. Rxd8+ Rxd8 23. Ne4 Ng6 24. Nxf6+ Nxf6 25. Be3 Ne5 26. Ba6 Nfg4 27. Bc1 Rd6 28. Bb5 Rb6 29. Ba4 Ra6 30. b3 c3 31. Bf4 Nc6 32. h3 Nf6 33. Bb5 Rb6 34. Bc4 Nd5 35. Rc1 Nxf4 36. gxf4 Nb4 37. a3 Nd5 38. Bxd5 exd5 39. Rxc3 Kf7 40. b4 Kf6 41. Kg2 Rd6 42. Kf3 Rd7 43. e3 Kf5 44. Rc5 Ke6 45. Ke2 Kf5 46. Kd3 Ke6 47. Kd4 Rd6 48. f5+ Kxf5 49. Rxd5+ Rxd5+ 50. Kxd5 g5 51. b5 h5 52. e4+ Kf6 53. e5+ Ke7 1-0

[Event "Jose de Freitas op 7th"]
[Site "Jose de Freitas"]
[Date "2024.07.13"]
[Round "3"]
[White "Sales, Luis Carlos"]
[Black "Dos Santos, Joao Mateus Araujo"]
[Result "0-1"]
[ECO "D03"]
[WhiteElo "1841"]
[BlackElo "2043"]
[PlyCount "56"]
[EventDate "2024.07.13"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bg5 Ne4 4. Bf4 c5 5. c3 Nc6 6. e3 Qb6 7. Qc1 Bf5 8. Nbd2 Rc8 9. dxc5 Nxc5 10. Nd4 Nd3+ 11. Bxd3 Bxd3 12. Nxc6 Rxc6 13. Nb3 Ba6 14. Qd2 e6 15. Be5 Be7 16. Bxg7 Rg8 17. Bd4 Qc7 18. f4 f6 19. e4 dxe4 20. Qe3 Rxg2 21. Qh3 Re2+ 22. Kd1 Qxf4 23. Qh5+ Kd7 24. Re1 Rxh2 25. Qf7 Bc4 26. Be3 Qg4+ 27. Kc1 e5 28. Rd1+ Qxd1+ 0-1

[Event "Teresina-ch"]
[Site "Teresina"]
[Date "2024.03.10"]
[Round "5"]
[White "Veloso, Henrique Barbosa"]
[Black "Dos Santos, Joao Mateus Araujo"]
[Result "1-0"]
[ECO "D41"]
[WhiteElo "1971"]
[BlackElo "2036"]
[PlyCount "55"]
[EventDate "2024.03.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 c5 7. Nf3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 0-0 11. Bc4 b6 12. 0-0 Bb7 13. d5 exd5 14. exd5 Nd7 15. Rad1 Nf6 16. Rfe1 Rc8 17. Bb3 Qd6 18. Nd4 Ng4 19. g3 Rc5 20. Nf5 Qd8 21. h3 Nf6 22. Qg5 g6 23. Re7 Ne4 24. Nh6+ Kg7 25. Rxf7+ Rxf7 26. Qxd8 Nxf2 27. Nxf7 Nxd1 28. Ng5 1-0

[Event "Teresina-ch"]
[Site "Teresina"]
[Date "2024.03.09"]
[Round "3"]
[White "Dos Santos, Joao Mateus Araujo"]
[Black "Carvalho, Lazaro Miranda"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2036"]
[BlackElo "1962"]
[PlyCount "91"]
[EventDate "2024.03.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. Bf4 0-0 6. e3 c5 7. dxc5 Bxc5 8. a3 Nc6 9. Qc2 Qa5 10. Nd2 Bb4 11. Rc1 Bxc3 12. Qxc3 Qxc3 13. Rxc3 e5 14. Bg5 d4 15. Rb3 Nd7 16. Rb5 f6 17. Bh4 dxe3 18. fxe3 Ne7 19. Ne4 b6 20. Rb3 Ba6 21. Rd3 Rad8 22. b4 Nf5 23. Bf2 Bb7 24. Nd6 Nxd6 25. Rxd6 Nb8 26. Rd2 Be4 27. Rb2 g6 28. h4 h5 29. Be2 Rf7 30. 0-0 Rfd7 31. Be1 Kg7 32. Bc3 Bd3 33. Kf2 Bxe2 34. Kxe2 Rc8 35. c5 bxc5 36. b5 Rd6 37. a4 Nd7 38. a5 Rb8 39. Rc1 Kf7 40. Be1 Ke6 41. e4 Rd4 42. Kf3 Rd3+ 43. Ke2 Rd4 44. Kf3 Rd3+ 45. Ke2 Rd4 46. Kf3 1/2-1/2

[Event "Teresina-ch"]
[Site "Teresina"]
[Date "2024.03.08"]
[Round "2"]
[White "Bastos, Werton Alvarenga"]
[Black "Dos Santos, Joao Mateus Araujo"]
[Result "0-1"]
[ECO "A12"]
[WhiteElo "1893"]
[BlackElo "2036"]
[PlyCount "46"]
[EventDate "2024.03.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 c6 3. Nf3 d5 4. b3 Qb6 5. Bg2 g6 6. 0-0 Bg7 7. d4 0-0 8. c5 Qd8 9. Nc3 b6 10. cxb6 axb6 11. Ne5 Ng4 12. Nf3 Nd7 13. h3 Nh6 14. e4 e6 15. Bg5 f6 16. Be3 b5 17. exd5 exd5 18. g4 f5 19. Bg5 Qa5 20. Qc1 fxg4 21. Ne5 Nxe5 22. dxe5 gxh3 23. Bh1 Ng4 0-1

[Event "Teresina-ch"]
[Site "Teresina"]
[Date "2024.03.07"]
[Round "1"]
[White "Dos Santos, Joao Mateus Araujo"]
[Black "Lima, Francisco Luciano"]
[Result "1-0"]
[ECO "A62"]
[WhiteElo "2036"]
[BlackElo "1827"]
[PlyCount "79"]
[EventDate "2024.03.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 c5 4. d5 exd5 5. cxd5 d6 6. Nc3 g6 7. Bg2 Bg7 8. Nf3 0-0 9. 0-0 Re8 10. Nd2 Na6 11. Nc4 Nc7 12. Bf4 Bf8 13. a4 Nh5 14. Bd2 f5 15. e4 Nf6 16. Bg5 h6 17. Bxf6 Qxf6 18. e5 dxe5 19. d6 Rd8 20. Qb3 Ne6 21. Nd5 Qg7 22. Nc7 Nxc7 23. dxc7 Qxc7 24. Nb6+ Kg7 25. Nxa8 Qe7 26. Rfd1 Be6 27. Qxb7 Qxb7 28. Bxb7 Rb8 29. Nc7 Bf7 30. Rd7 Kf6 31. a5 c4 32. a6 Bc5 33. Rad1 Bd4 34. Nd5+ Bxd5 35. Bxd5 Rxb2 36. Rf7+ Kg5 37. h4+ Kg4 38. Rxd4+ exd4 39. Kg2 Rb3 40. Bxc4 1-0

[Event "BRA-ch U26"]
[Site "Brasilia"]
[Date "2022.09.22"]
[Round "4"]
[White "Diogenes, Everton Nunes Costa"]
[Black "Dos Santos, Joao Mateus Araujo"]
[Result "1-0"]
[ECO "A08"]
[BlackElo "1932"]
[PlyCount "65"]
[EventDate "2022.09.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 c5 4. d3 Nc6 5. Nbd2 e5 6. c3 Be7 7. e4 d4 8. Nc4 Qc7 9. a4 Be6 10. Na3 dxc3 11. bxc3 Rd8 12. Qc2 Na5 13. Rb1 0-0 14. 0-0 h6 15. Rd1 Rd7 16. Nb5 Qb8 17. d4 a6 18. Nxe5 axb5 19. Rxb5 Qc7 20. Nxd7 Bxd7 21. Bf4 Qd8 22. dxc5 g5 23. e5 Ng4 24. e6 fxe6 25. Qg6+ Kh8 26. Be4 Rf5 27. h3 Nf6 28. Bxf5 exf5 29. Be5 Nc4 30. Bxf6+ Bxf6 31. Rxb7 Ne5 32. Qxh6+ Kg8 33. c6 1-0

[Event "BRA-ch U26"]
[Site "Brasilia"]
[Date "2022.09.21"]
[Round "3"]
[White "De Lima, Alexsandro Barros"]
[Black "Dos Santos, Joao Mateus Araujo"]
[Result "1-0"]
[ECO "A19"]
[WhiteElo "2151"]
[BlackElo "1932"]
[PlyCount "132"]
[EventDate "2022.09.20"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 c5 4. e5 Ng8 5. Nf3 Nc6 6. d4 cxd4 7. Nxd4 Nxe5 8. Ndb5 a6 9. Nd6+ Bxd6 10. Qxd6 f6 11. Be3 Ne7 12. Bb6 Nf5 13. Qb4 Nc6 14. Qb3 Nfd4 15. Bxd4 Nxd4 16. Qd1 Qb6 17. Qd2 0-0 18. 0-0-0 Nf5 19. Ne4 d5 20. Ng3 Nh4 21. Kb1 Qc6 22. cxd5 exd5 23. Qb4 Ng6 24. Rxd5 b5 25. Rd6 Qc7 26. Qd4 Ne5 27. Bd3 Qf7 28. Be4 Bb7 29. Rd1 Bxe4+ 30. Nxe4 Qc4 31. Nc5 Rfc8 32. Rd5 Qe2 33. b3 Re8 34. Qb2 Qg4 35. f3 Qg6+ 36. Ka1 a5 37. Ne4 Rab8 38. Qe2 Nc6 39. Rxb5 Kh8 40. Rxb8 Rxb8 41. g4 h5 42. h3 Ne5 43. f4 Nc6 44. f5 Qe8 45. Re1 a4 46. Nc5 Qxe2 47. Rxe2 axb3 48. Nxb3 Rb4 49. Re6 Ne5 50. g5 Kg8 51. gxf6 gxf6 52. Rxf6 Rh4 53. Re6 Nc4 54. Rg6+ Kf7 55. Rg3 Rf4 56. Kb1 Rxf5 57. Rc3 Rf1+ 58. Nc1 Ne5 59. Kb2 Ke6 60. a4 Kd5 61. Kb3 h4 62. a5 Rf6 63. Na2 Rf3 64. Nb4+ Kd6 65. a6 Rxc3+ 66. Kxc3 Kc7 1-0

[Event "BRA-ch U26"]
[Site "Brasilia"]
[Date "2022.09.21"]
[Round "2"]
[White "Dos Santos, Joao Mateus Araujo"]
[Black "Teixeira, Arthur Belfort"]
[Result "1/2-1/2"]
[ECO "D52"]
[WhiteElo "1932"]
[BlackElo "1707"]
[PlyCount "126"]
[EventDate "2022.09.20"]
[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 Nf6 2. Nf3 d5 3. c4 c6 4. Nc3 e6 5. Bg5 Nbd7 6. e3 a6 7. Rc1 Be7 8. Bd3 dxc4 9. Bxc4 b5 10. Bd3 Bb7 11. e4 h6 12. Bh4 0-0 13. 0-0 Rc8 14. e5 Nd5 15. Bxe7 Nxc3 16. Bh7+ Kh8 17. Be4 Nxd1 18. Bxd8 Nxb2 19. Ba5 Nc4 20. Rxc4 bxc4 21. Rc1 Ba8 22. Rxc4 Rb8 23. h3 Rfc8 24. Bb4 c5 25. dxc5 Bxe4 26. Rxe4 Nxc5 27. Rd4 Kh7 28. a3 Nb3 29. Rd7 Kg6 30. Bd6 Nc5 31. Nh4+ Kh5 32. Rxf7 Rb1+ 33. Kh2 Rb7 34. Be7 Rxe7 35. Rxe7 Kxh4 36. Rxg7 Rd8 37. g3+ Kh5 38. h4 Rd7 39. Rg8 Ne4 40. Kg2 Rd2 41. Kf3 Nxf2 42. Re8 Ng4 43. Rxe6 Rd3+ 44. Kf4 Rxa3 45. Rc6 Rf3+ 46. Ke4 Re3+ 47. Kf4 Rxe5 48. Rxa6 Rb5 49. Rd6 Nf2 50. Rd8 Kg6 51. Rd6+ Kg7 52. Rd4 Rb4 53. Rxb4 Nd3+ 54. Kg4 Nxb4 55. Kh5 Nd5 56. Kg4 Kg6 57. Kf3 Kf5 58. g4+ Kg6 59. Ke4 Nc3+ 60. Kd3 Nd1 61. Ke2 Nc3+ 62. Kd3 Nd5 63. Ke4 Nc3+ 1/2-1/2

[Event "Piaui-ch sf1"]
[Site "Teresina"]
[Date "2022.04.10"]
[Round "5"]
[White "Carvalho, Lazaro Miranda"]
[Black "Dos Santos, Joao Mateus Araujo"]
[Result "1/2-1/2"]
[ECO "D13"]
[WhiteElo "1941"]
[BlackElo "1928"]
[PlyCount "172"]
[EventDate "2022.04.08"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. Nc3 d5 4. d4 c6 5. cxd5 cxd5 6. Bg5 Be7 7. e3 Nc6 8. Bd3 h6 9. Bh4 a6 10. 0-0 Bd7 11. Rc1 b5 12. Ne5 b4 13. Nxc6 Bxc6 14. Na4 Bxa4 15. Qxa4+ Qd7 16. Qc6 Qxc6 17. Rxc6 Kd7 18. Rfc1 Ra7 19. Bg3 Rha8 20. f3 Ne8 21. e4 Bd6 22. exd5 Bxg3 23. dxe6+ fxe6 24. hxg3 Rc7 25. Be4 Raa7 26. Kf2 Nd6 27. Rxc7+ Rxc7 28. Rxc7+ Kxc7 29. Bd3 a5 30. Ke3 Ne8 31. Be4 Nf6 32. g4 Kd6 33. g3 Nd7 34. f4 Nb6 35. b3 Nc8 36. Kd3 Ke7 37. Bg2 Nd6 38. Bc6 Kf6 39. Ke3 Nf7 40. Bd7 Ke7 41. Bc6 Kf6 42. Kd3 Nd6 43. Ke3 Nf7 44. Be4 Nd6 45. Bd3 Nf7 46. f5 e5 47. Ke4 Nd6+ 48. Kd5 e4 49. Bxe4 Nb5 50. Kc5 Nc3 51. Bc2 Ke7 52. d5 Kd7 53. Kb6 Kd6 54. Kxa5 Nxd5 55. Bd3 Kc5 56. Ka6 Nc3 57. Kb7 Nxa2 58. Kc7 Kd4 59. Bc4 Ke5 60. Kc6 h5 61. gxh5 Kxf5 62. Kd6 Kg5 63. Bf7 Nc3 64. Kc5 Ne4+ 65. Kxb4 Nxg3 66. Ka5 Kf6 67. Bg6 Ne2 68. b4 Nd4 69. b5 Nxb5 70. Kxb5 Ke7 71. Kc5 Kf8 72. Bh7 Kf7 73. Kd5 g6 74. hxg6+ Kg7 75. Ke6 Kh8 76. Ke7 Kg7 77. Kd7 Kh8 78. Ke8 Kg7 79. Kd7 Kh8 80. Ke6 Kg7 81. Kf5 Kh8 82. Kg4 Kg7 83. Kh5 Kh8 84. Kg4 Kg7 85. Kf5 Kh8 86. g7+ Kxg7 1/2-1/2

[Event "Piaui-ch sf1"]
[Site "Teresina"]
[Date "2022.04.10"]
[Round "4"]
[White "Dos Santos, Joao Mateus Araujo"]
[Black "Farias, Edilsom"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "1928"]
[BlackElo "1800"]
[PlyCount "61"]
[EventDate "2022.04.08"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 Qe7 5. Bg2 Nc6 6. Nf3 Bxd2+ 7. Qxd2 Ne4 8. Qc2 Qb4+ 9. Nc3 Nxc3 10. bxc3 Qxc4 11. 0-0 h6 12. Rfd1 0-0 13. e4 Qa6 14. Rab1 Qa3 15. d5 Nb8 16. Nd4 c6 17. dxe6 dxe6 18. e5 Qc5 19. f4 Nd7 20. Kh1 Nb6 21. Nb3 Qe7 22. c4 Qb4 23. Rd4 Qe7 24. Rbd1 Bd7 25. a4 a5 26. Rd6 Rfb8 27. Nc5 Be8 28. Ne4 Rd8 29. Qb3 Qc7 30. Nc5 Rdb8 31. Bh3 1-0

[Event "Piaui-ch sf1"]
[Site "Teresina"]
[Date "2022.04.09"]
[Round "3"]
[White "Amorim, Gidelson Ferreira"]
[Black "Dos Santos, Joao Mateus Araujo"]
[Result "1-0"]
[ECO "C68"]
[WhiteElo "2108"]
[BlackElo "1928"]
[PlyCount "73"]
[EventDate "2022.04.08"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bd6 6. d4 exd4 7. Qxd4 f6 8. Be3 Ne7 9. Nbd2 Be6 10. Qc3 Ng6 11. Nd4 Bf7 12. f4 0-0 13. Rad1 Re8 14. Nf5 Bf8 15. Bc5 Ne7 16. Nf3 Qc8 17. Nxe7+ Bxe7 18. Bxe7 Rxe7 19. e5 fxe5 20. Nxe5 Qe6 21. Rd3 Rf8 22. Qb4 b6 23. Nxc6 Qxc6 24. Qxe7 Qxc2 25. Rd8 Qc5+ 26. Qxc5 bxc5 27. Rxf8+ Kxf8 28. a3 Ke7 29. Rd1 c6 30. Kf2 Bd5 31. g3 Kd6 32. Re1 g6 33. Re8 h5 34. Ke3 Bb3 35. Ra8 Bc4 36. Rh8 Ba2 37. f5 1-0

[Event "Piaui-ch sf1"]
[Site "Teresina"]
[Date "2022.04.09"]
[Round "2"]
[White "Dos Santos, Joao Mateus Araujo"]
[Black "Barros, Robson Soares"]
[Result "1-0"]
[ECO "D43"]
[WhiteElo "1928"]
[PlyCount "55"]
[EventDate "2022.04.08"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 e6 5. Bg5 Bb4 6. Rc1 Nbd7 7. a3 Be7 8. e3 h6 9. Bh4 Nh7 10. Bg3 0-0 11. Bd3 Nhf6 12. h3 b6 13. cxd5 Nxd5 14. Nxd5 cxd5 15. Bb5 Bf6 16. 0-0 Bb7 17. Rc7 Bc8 18. Qa4 e5 19. Rfc1 Nc5 20. R7xc5 bxc5 21. dxc5 a6 22. Bc6 Ra7 23. Nxe5 Bxe5 24. Bxe5 Bd7 25. Bxd7 Qxd7 26. Qxd7 Rxd7 27. c6 Re7 28. Bd6 1-0

[Event "Piaui-ch sf1"]
[Site "Teresina"]
[Date "2022.04.08"]
[Round "1"]
[White "Do Nascimento, Rhafael Victor Silv"]
[Black "Dos Santos, Joao Mateus Araujo"]
[Result "0-1"]
[ECO "C30"]
[BlackElo "1928"]
[PlyCount "66"]
[EventDate "2022.04.08"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 Nc6 4. Nc3 Bc5 5. f4 0-0 6. Nf3 d6 7. Nd5 Ng4 8. Qe2 Bf2+ 9. Kd1 Nd4 10. Nxd4 Bxd4 11. Be3 c6 12. Bxd4 cxd5 13. Bxd5 exd4 14. h3 Ne3+ 15. Kc1 Nxd5 16. exd5 Re8 17. Qf2 Qa5 18. a3 Bd7 19. Rd1 Qxd5 20. Kd2 Rac8 21. Rdc1 Bc6 22. c4 Qxg2 23. Qxg2 Bxg2 24. Re1 Kf8 25. h4 Rxe1 26. Rxe1 Re8 27. Rg1 Bf3 28. Rg5 Re2+ 29. Kc1 Rh2 30. Rb5 Rxh4 31. b4 Rxf4 32. a4 h5 33. Rg5 h4 0-1

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.29"]
[Round "8"]
[White "Piccoli, Lucas Fonseca"]
[Black "Dos Santos, Joao Mateus Araujo"]
[Result "1-0"]
[ECO "A19"]
[WhiteElo "2097"]
[BlackElo "1880"]
[PlyCount "85"]
[EventDate "2022.01.24"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. e4 c5 4. e5 Ng8 5. Nf3 Nc6 6. d4 cxd4 7. Nxd4 Nxe5 8. Ndb5 a6 9. Nd6+ Bxd6 10. Qxd6 f6 11. Be3 Ne7 12. Bb6 Nf5 13. Qb4 Nc6 14. Qc5 Qe7 15. 0-0-0 Qxc5 16. Bxc5 d6 17. Bxd6 Nxd6 18. Rxd6 Bd7 19. Be2 Ke7 20. Rhd1 Rhd8 21. Na4 Be8 22. c5 Rac8 23. Nb6 Rc7 24. Bg4 Bf7 25. Bf3 Nd4 26. R6xd4 Rxc5+ 27. Rc4 Rxc4+ 28. Nxc4 Rc8 29. b3 b5 30. Bb7 Rc7 31. Bxa6 bxc4 32. Bxc4 e5 33. Kb2 Bxc4 34. Rc1 Kd6 35. Rxc4 Rxc4 36. bxc4 Kc5 37. Kc3 f5 38. h4 g6 39. a4 h6 40. a5 g5 41. h5 Kc6 42. g4 e4 43. Kd4 1-0

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.28"]
[Round "7"]
[White "Dos Santos, Joao Mateus Araujo"]
[Black "Dias, Anderson Tatsch"]
[Result "1/2-1/2"]
[ECO "A58"]
[WhiteElo "1880"]
[BlackElo "2102"]
[PlyCount "95"]
[EventDate "2022.01.24"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. bxa6 g6 6. Nc3 Bxa6 7. g3 d6 8. Bg2 Bg7 9. Nf3 0-0 10. 0-0 Nbd7 11. Rb1 Ng4 12. Qc2 Qa5 13. Bd2 Rfb8 14. b3 Qa3 15. h3 Nge5 16. Ne1 Nb6 17. f4 Ned7 18. Kh2 Bb7 19. Qd1 c4 20. Nc2 Qa5 21. b4 Qa7 22. a3 Na4 23. Nxa4 Qxa4 24. Be3 e6 25. dxe6 fxe6 26. Qxd6 Bxg2 27. Kxg2 Qxc2 28. Qxd7 Qxe2+ 29. Bf2 Qe4+ 30. Kg1 Rxa3 31. Rfe1 Qd5 32. Qxe6+ Qxe6 33. Rxe6 Rc8 34. Re2 Rb3 35. Ree1 Rc7 36. Bb6 Rb7 37. Bc5 Rxg3+ 38. Kh2 Rd3 39. Re8+ Kf7 40. Rc8 c3 41. Kg2 c2 42. Rc1 Rd2+ 43. Bf2 Rxb4 44. R1xc2 Rxc2 45. Rxc2 Rxf4 46. Rc7+ Kg8 47. Rc8+ Bf8 48. Be3 1/2-1/2

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.27"]
[Round "5"]
[White "Correria, Pedro Bavaresco"]
[Black "Dos Santos, Joao Mateus Araujo"]
[Result "0-1"]
[ECO "C89"]
[BlackElo "1880"]
[PlyCount "38"]
[EventDate "2022.01.24"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. Re1 Bd6 13. Qf3 Re8 14. Rxe8+ Qxe8 15. Kf1 Qe5 16. Qe2 Qxh2 17. Qe8+ Bf8 18. Qxc6 Nf4 19. g4 Bxg4 0-1

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.25"]
[Round "2"]
[White "Cominato Neto, Jose Luis"]
[Black "Dos Santos, Joao Mateus Araujo"]
[Result "1-0"]
[ECO "C28"]
[WhiteElo "2272"]
[BlackElo "1880"]
[PlyCount "49"]
[EventDate "2022.01.24"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. f4 d6 6. Nf3 exf4 7. Bxf4 0-0 8. Qd2 Be6 9. Bb3 Nd4 10. Na4 Nxb3 11. axb3 Bb6 12. Bg5 Qe7 13. Rf1 Bg4 14. Qf4 Qe6 15. Bxf6 gxf6 16. 0-0-0 d5 17. Nxb6 axb6 18. exd5 Qd7 19. h3 Bh5 20. g4 Bg6 21. h4 h6 22. h5 Bh7 23. Qxh6 Qxd5 24. Qxf6 Rfe8 25. h6 1-0

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.25"]
[Round "3"]
[White "Dos Santos, Joao Mateus Araujo"]
[Black "Dos Santos, Lucas Carvalho Ribe"]
[Result "1-0"]
[ECO "D91"]
[WhiteElo "1880"]
[BlackElo "1542"]
[PlyCount "43"]
[EventDate "2022.01.24"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Bh4 Nxc3 6. bxc3 Bg7 7. e3 c5 8. cxd5 Qxd5 9. Nf3 Bg4 10. Be2 Nc6 11. 0-0 Rd8 12. Rb1 Rd7 13. Qa4 0-0 14. h3 Bf5 15. Rbd1 Rfd8 16. c4 Qd6 17. Bg3 e5 18. Nxe5 Nxe5 19. dxe5 Qe6 20. Rd5 Rxd5 21. cxd5 Rxd5 22. e4 1-0

[Event "Piaui-ch final"]
[Site "Teresina"]
[Date "2021.11.21"]
[Round "9"]
[White "Bastos, Werton Alvarenga"]
[Black "Dos Santos, Joao Mateus Araujo"]
[Result "1/2-1/2"]
[ECO "E05"]
[WhiteElo "1936"]
[BlackElo "1777"]
[PlyCount "36"]
[EventDate "2021.11.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 Be7 5. 0-0 0-0 6. d4 dxc4 7. Ne5 Nc6 8. Nxc6 bxc6 9. Qa4 Qxd4 10. Qxc6 Bd7 11. Qxc7 Rac8 12. Qa5 Qb6 13. Qxb6 axb6 14. Nc3 b5 15. a3 b4 16. axb4 Bxb4 17. Bf4 Bc6 18. Rfc1 Bxg2 1/2-1/2

[Event "Piaui-ch final"]
[Site "Teresina"]
[Date "2021.11.20"]
[Round "8"]
[White "Dos Santos, Joao Mateus Araujo"]
[Black "Gomes, Rodrigo de Oliveira"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "1777"]
[BlackElo "1786"]
[PlyCount "97"]
[EventDate "2021.11.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Be7 5. Bf4 a6 6. c5 0-0 7. e3 Nc6 8. h3 Ne4 9. Rc1 Nxc3 10. bxc3 b6 11. cxb6 cxb6 12. Bd3 Bd6 13. Bxd6 Qxd6 14. Qc2 h6 15. 0-0 Bd7 16. Rb1 b5 17. Nd2 Na5 18. Nb3 Nb7 19. Nc1 Rfc8 20. Ne2 Rc7 21. Rfc1 Rac8 22. Qb2 Na5 23. Qb4 Nc4 24. Bxc4 Qxb4 25. cxb4 Rxc4 26. Kf1 Rc2 27. Ke1 Rxa2 28. Nc3 Ra3 29. Kd2 Rc4 30. Rb2 f6 31. Nb1 Ra4 32. Rxc4 dxc4 33. Nc3 Ra1 34. Ra2 Rxa2+ 35. Nxa2 Bc6 36. f3 f5 37. Kc3 Kf7 38. Nc1 g5 39. Ne2 h5 40. Ng3 h4 41. Nf1 Kg6 42. Nh2 Kh5 43. Kb2 Kg6 44. Kc3 Kf6 45. Nf1 g4 46. Nd2 Kg5 47. Kc2 gxh3 48. gxh3 Kf6 49. Kc3 1/2-1/2

[Event "Piaui-ch final"]
[Site "Teresina"]
[Date "2021.11.19"]
[Round "7"]
[White "Carvalho, Lazaro Miranda"]
[Black "Dos Santos, Joao Mateus Araujo"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1953"]
[BlackElo "1777"]
[PlyCount "83"]
[EventDate "2021.11.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. 0-0 d6 6. c3 a6 7. Bb3 Ba7 8. Nbd2 0-0 9. h3 h6 10. Re1 Nh5 11. Nf1 Qf6 12. Be3 Nf4 13. Bxa7 Rxa7 14. Ng3 Be6 15. d4 Bxb3 16. axb3 Raa8 17. d5 Ne7 18. Nh2 Qg6 19. Qg4 f5 20. Qxg6 Nfxg6 21. exf5 Nxf5 22. Nxf5 Rxf5 23. g3 Ne7 24. Rad1 Raf8 25. Rd2 Nc8 26. Ng4 Nb6 27. Ne3 R5f7 28. Ng2 Rf5 29. f4 Nd7 30. g4 R5f7 31. f5 g6 32. Nh4 g5 33. Nf3 Nf6 34. Kg2 Rh7 35. c4 Rc8 36. Kg3 Kf7 37. Rh2 c6 38. dxc6 bxc6 39. h4 gxh4+ 40. Rxh4 e4 41. g5 exf3 42. g6+ 1-0

[Event "Piaui-ch final"]
[Site "Teresina"]
[Date "2021.11.18"]
[Round "6"]
[White "Dos Santos, Joao Mateus Araujo"]
[Black "Sales, Luis Carlos"]
[Result "1-0"]
[ECO "E09"]
[WhiteElo "1777"]
[BlackElo "1764"]
[PlyCount "133"]
[EventDate "2021.11.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 c6 5. Bg2 Be7 6. 0-0 0-0 7. Qc2 Nbd7 8. Nbd2 b6 9. e4 dxe4 10. Nxe4 Bb7 11. Rd1 h6 12. Bf4 Nxe4 13. Qxe4 Nf6 14. Qc2 Qc8 15. c5 Nd5 16. Bd2 Rd8 17. Ne5 Qc7 18. b4 b5 19. f4 Bf6 20. Re1 h5 21. Bh3 Bc8 22. Qe4 Bd7 23. Bf1 Be8 24. h3 a6 25. Bd3 g6 26. g4 hxg4 27. hxg4 Ne7 28. Re2 Kf8 29. Rh2 Ng8 30. Rh7 Bg7 31. Qe3 Nf6 32. Rh2 Nxg4 33. Qe4 Bxe5 34. fxe5 Nxh2 35. Kxh2 f5 36. Qh4 Kg8 37. Qf2 Rd7 38. Rg1 Rh7+ 39. Kg2 Qe7 40. Rh1 Rxh1 41. Kxh1 g5 42. Kg1 g4 43. Qe3 Qg7 44. Be1 Ra7 45. Bh4 Qg6 46. Bf1 Rh7 47. Bg3 Qh5 48. Bg2 Rg7 49. Qb3 Qf7 50. Bf4 Qd7 51. Qc3 Kf8 52. Bh6 Kg8 53. Bxg7 Qxg7 54. Qg3 Qg5 55. Qc3 f4 56. Be4 f3 57. Kf1 Qf4 58. Bb1 Qh2 59. Qe3 Qh1+ 60. Qg1 Qxg1+ 61. Kxg1 g3 62. Be4 f2+ 63. Kg2 Bh5 64. Bd3 Bd1 65. Kxg3 Bc2 66. Bf1 Bd3 67. Bxd3 1-0

[Event "Piaui-ch final"]
[Site "Teresina"]
[Date "2021.11.17"]
[Round "5"]
[White "Amorim, Gidelson Ferreira"]
[Black "Dos Santos, Joao Mateus Araujo"]
[Result "1-0"]
[ECO "D78"]
[WhiteElo "2117"]
[BlackElo "1777"]
[PlyCount "93"]
[EventDate "2021.11.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 c6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. d4 d5 7. Nc3 dxc4 8. Ne5 Ng4 9. Nxg4 Bxg4 10. h3 Be6 11. e3 Qd7 12. Kh2 Na6 13. a3 Nc7 14. Qe2 Nd5 15. Ne4 Qc8 16. Bd2 Nb6 17. Nc5 Bd5 18. e4 Bxd4 19. exd5 cxd5 20. b4 Bxa1 21. Rxa1 Qf5 22. Bc3 Rfe8 23. f4 f6 24. Ne6 Rac8 25. Rd1 Kf7 26. Nd4 Qd7 27. f5 Na4 28. Be1 c3 29. Bf2 c2 30. Rc1 gxf5 31. Qh5+ Kg8 32. Nxf5 Kh8 33. Nh6 e5 34. Ng4 Rf8 35. Qh4 Qe6 36. Qh6 Nb2 37. Rxc2 Nc4 38. Bc5 Rf7 39. Rf2 Rc6 40. Re2 b6 41. Bg1 Nd6 42. Qd2 e4 43. Qf4 Nf5 44. h4 Ne7 45. Bh3 Qf5 46. Qd2 Qf3 47. Re3 1-0

[Event "Piaui-ch final"]
[Site "Teresina"]
[Date "2021.11.14"]
[Round "4"]
[White "Dos Santos, Joao Mateus Araujo"]
[Black "Veloso, Henrique Barbosa"]
[Result "1-0"]
[ECO "D24"]
[WhiteElo "1777"]
[BlackElo "1757"]
[PlyCount "81"]
[EventDate "2021.11.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 d5 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nf6 7. Bc4 cxd4 8. Qxd4 Qxd4 9. Nxd4 a6 10. f3 Bc5 11. Nc2 Nc6 12. Be3 Nb4 13. 0-0-0 Bxe3+ 14. Nxe3 Nd7 15. Be2 b6 16. Nc4 Rb8 17. a3 Nc6 18. Nd6+ Ke7 19. Nxc8+ Rhxc8 20. Bxa6 Rd8 21. Bb5 Na7 22. Bxd7 Rxd7 23. Rxd7+ Kxd7 24. Rd1+ Ke7 25. b4 Rc8 26. Kb2 Nc6 27. Na4 b5 28. Nc5 Ne5 29. Kb3 Nc4 30. Rd7+ Ke8 31. Rb7 Nd6 32. Rb6 Ke7 33. e5 Nf5 34. Rb7+ Ke8 35. Kc3 Ra8 36. Kb2 Ne3 37. Rxb5 Nc4+ 38. Kb3 Nd2+ 39. Ka2 Nc4 40. a4 Nxe5 41. Nxe6 1-0

[Event "Piaui-ch final"]
[Site "Teresina"]
[Date "2021.11.13"]
[Round "3"]
[White "Lima Filho, Jose Pacifico"]
[Black "Dos Santos, Joao Mateus Araujo"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1773"]
[BlackElo "1777"]
[PlyCount "16"]
[EventDate "2021.11.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. c3 Nc6 5. e3 Qb6 6. Na3 Qxb2 7. Nb5 Ne4 8. Rb1 Qxf2# 0-1

[Event "Piaui-ch final"]
[Site "Teresina"]
[Date "2021.11.12"]
[Round "2"]
[White "Dos Santos, Joao Mateus Araujo"]
[Black "Monteiro, Luis Felipe Furtado"]
[Result "1-0"]
[ECO "E63"]
[WhiteElo "1777"]
[BlackElo "1948"]
[PlyCount "99"]
[EventDate "2021.11.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. g3 0-0 6. Bg2 Nc6 7. 0-0 a6 8. h3 Rb8 9. e4 b5 10. cxb5 axb5 11. Re1 b4 12. Nd5 Nd7 13. Bg5 h6 14. Be3 e6 15. Nf4 Na5 16. Rc1 c6 17. Nd3 Ba6 18. b3 Bxd3 19. Qxd3 d5 20. e5 Qb6 21. Re2 Rfc8 22. Rec2 Ra8 23. Ne1 Ra7 24. Qd2 Kh7 25. Nd3 Bf8 26. f4 Rac7 27. Qf2 Nb7 28. Nc5 Nbxc5 29. dxc5 Qb7 30. Bf1 Ra8 31. Bd3 Qc8 32. Bd4 Ra5 33. Re2 Rca7 34. g4 Kg7 35. f5 Qa8 36. Bb1 Qe8 37. h4 Rb7 38. h5 Rbb5 39. fxg6 Bxc5 40. g5 fxg6 41. Bxg6 Qe7 42. Rxc5 Rxc5 43. Qf6+ Nxf6 44. exf6+ Qxf6 45. Bxf6+ Kg8 46. gxh6 Ra7 47. a4 bxa3 48. Rxe6 Rc1+ 49. Kg2 Rf7 50. h7+ 1-0

[Event "Piaui-ch final"]
[Site "Teresina"]
[Date "2021.11.11"]
[Round "1"]
[White "Dos Santos, Joao Mateus Araujo"]
[Black "Neres Da Silva, Marcio"]
[Result "1-0"]
[ECO "D80"]
[WhiteElo "1777"]
[BlackElo "1831"]
[PlyCount "57"]
[EventDate "2021.11.11"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 c6 5. Bxf6 exf6 6. cxd5 cxd5 7. Qb3 Nc6 8. e3 Bb4 9. Bd3 a5 10. Nge2 0-0 11. 0-0 Be6 12. Rac1 Qd7 13. Na4 Rab8 14. Bb5 Rfd8 15. Nf4 Qe8 16. Nc5 Bxc5 17. Rxc5 Qd7 18. Rfc1 Rbc8 19. Qa4 Rc7 20. Bxc6 Rxc6 21. Rxc6 bxc6 22. Qxc6 Qe7 23. Rc5 Rc8 24. Qb6 Rxc5 25. dxc5 a4 26. Nxe6 fxe6 27. Qb8+ Kf7 28. c6 Qc5 29. Qb7+ 1-0

[Event "Teresina Piauiense-ch sf3"]
[Site "Teresina"]
[Date "2021.09.19"]
[Round "4"]
[White "Costa Normando, Mario Alexandre"]
[Black "Dos Santos, Joao Mateus Araujo"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "1613"]
[PlyCount "133"]
[EventDate "2021.09.17"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. b3 Nf6 2. Nf3 d5 3. Bb2 c5 4. e3 Nc6 5. Be2 e6 6. d4 cxd4 7. Nxd4 Be7 8. 0-0 0-0 9. Nd2 Bd7 10. c4 Rc8 11. Rc1 Nxd4 12. Bxd4 Ba3 13. Rc2 Re8 14. Nf3 Qa5 15. Ne5 Bc6 16. Nxc6 bxc6 17. Bc3 Bb4 18. Bxb4 Qxb4 19. cxd5 cxd5 20. Qc1 Qb7 21. Bd3 Rxc2 22. Qxc2 Rc8 23. Qe2 Rc3 24. h3 Qc7 25. Rd1 Qc6 26. Rd2 Rc1+ 27. Rd1 Kf8 28. Rxc1 Qxc1+ 29. Qf1 Qb2 30. Qb1 Qxb1+ 31. Bxb1 Ke7 32. Kf1 Kd6 33. Ke2 Kc5 34. a3 a5 35. Kd2 e5 36. f3 h5 37. g3 Ne8 38. Bc2 Nd6 39. Bd3 g6 40. g4 h4 41. Ba6 f5 42. Bd3 e4 43. gxf5 gxf5 44. fxe4 fxe4 45. Be2 d4 46. b4+ axb4 47. axb4+ Kd5 48. exd4 Kxd4 49. b5 Nc8 50. Bg4 Nb6 51. Be2 Nd5 52. Bf1 Nb6 53. Ke2 Ke5 54. Kf2 Kf4 55. Be2 Ke5 56. Ke3 Nd5+ 57. Kf2 Kd4 58. Bf1 Nb6 59. Be2 Nc8 60. Bf1 Ke5 61. Ke3 Nb6 62. Be2 Nd5+ 63. Kf2 Nb6 64. Bf1 Kf4 65. Be2 Ke5 66. Bf1 Kf4 67. Be2 1/2-1/2

[Event "Teresina Piauiense-ch sf3"]
[Site "Teresina"]
[Date "2021.09.19"]
[Round "5"]
[White "Dos Santos, Joao Mateus Araujo"]
[Black "Lima Filho, Jose Pacifico"]
[Result "1-0"]
[ECO "D53"]
[BlackElo "1758"]
[PlyCount "55"]
[EventDate "2021.09.17"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 e6 5. Bg5 Be7 6. e3 Nbd7 7. Rc1 dxc4 8. Bxc4 0-0 9. 0-0 a6 10. Qe2 b5 11. Bd3 Bb7 12. e4 Re8 13. Rfd1 Rc8 14. Bb1 Nf8 15. Qd3 c5 16. e5 c4 17. Qe2 Nd5 18. Ne4 Bxg5 19. Nfxg5 Rc7 20. Qg4 Qd7 21. Nd6 f5 22. Qh4 Re7 23. g4 Nf4 24. gxf5 Ne2+ 25. Kf1 Nxc1 26. fxe6 Rxe6 27. Bxh7+ Kh8 28. Bg6+ 1-0

[Event "Teresina Piauiense-ch sf3"]
[Site "Teresina"]
[Date "2021.09.18"]
[Round "3"]
[White "Do Nascimento, Joao Batista"]
[Black "Dos Santos, Joao Mateus Araujo"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1406"]
[PlyCount "60"]
[EventDate "2021.09.17"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 Nc6 5. c3 Qb6 6. Qc2 Bf5 7. Bd3 Bxd3 8. Qc1 e6 9. Ne5 Nxe5 10. Bxe5 Be7 11. a4 0-0 12. Nd2 Rac8 13. b3 Nd7 14. a5 Qa6 15. c4 Nxe5 16. dxe5 d4 17. e4 Qc6 18. f3 Bg5 19. Kf2 Be3+ 20. Ke1 Qc7 21. Qd1 Qxe5 22. Nf1 Bxf1 23. Kxf1 f5 24. exf5 Qxf5 25. Qe2 e5 26. h4 e4 27. Rh3 exf3 28. Rxf3 Qg6 29. Ke1 Rce8 30. Rxf8+ Rxf8 0-1

[Event "Teresina Piauiense-ch sf3"]
[Site "Teresina"]
[Date "2021.09.18"]
[Round "2"]
[White "Dos Santos, Joao Mateus Araujo"]
[Black "Amorim, Gidelson Ferreira"]
[Result "0-1"]
[ECO "A38"]
[BlackElo "2110"]
[PlyCount "123"]
[EventDate "2021.09.17"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. Nf3 g6 2. c4 Bg7 3. Nc3 c5 4. d4 cxd4 5. Nxd4 Nc6 6. Nc2 Nf6 7. g3 0-0 8. Bg2 d6 9. 0-0 Rb8 10. b3 Qa5 11. Bd2 Qh5 12. Rc1 Bh3 13. Ne3 Bxg2 14. Kxg2 e6 15. Re1 d5 16. cxd5 exd5 17. Na4 d4 18. Nf1 Qd5+ 19. Kg1 Rfe8 20. Nc5 Bf8 21. Nd3 Ba3 22. Rc4 b5 23. Rc2 Ne4 24. Bc1 Bxc1 25. Rxc1 Rbc8 26. h4 Qf5 27. Nh2 Ne5 28. Nf4 Rxc1 29. Qxc1 Rc8 30. Qb2 Rc3 31. Rf1 Ng4 32. Nf3 Qc5 33. Nd3 Qd6 34. Nf4 h6 35. Rd1 Ngxf2 36. Rxd4 Qc7 37. Kg2 b4 38. Rxb4 Nd1 39. Qb1 Ne3+ 40. Kh2 Nf2 41. Rc4 Nxc4 42. Nd5 Nd2 43. Qg1 Nxf3+ 44. exf3 Qb7 45. Nxc3 Qxf3 46. Qe1 h5 47. Na4 Ng4+ 48. Kh3 Ne3 49. Qg1 a6 50. Nb2 Qf5+ 51. Kh2 Qc2+ 52. Kh3 Ng4 53. Nc4 Qxa2 54. Ne3 Nf2+ 55. Kg2 Nd3+ 56. Kf3 Qxb3 57. Qa1 Qe6 58. Qd4 Ne5+ 59. Kg2 Qc6+ 60. Qd5 a5 61. Kg1 Qxd5 62. Nxd5 0-1

[Event "Teresina Piauiense-ch sf3"]
[Site "Teresina"]
[Date "2021.09.17"]
[Round "1"]
[White "Monteiro, Luis Felipe Furtado"]
[Black "Dos Santos, Joao Mateus Araujo"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1938"]
[PlyCount "62"]
[EventDate "2021.09.17"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d6 6. Bg5 h6 7. Bh4 a6 8. Bb3 Ba7 9. Nbd2 Qe7 10. Nc4 g5 11. Bg3 Bd7 12. Ne3 0-0-0 13. Nd5 Nxd5 14. Bxd5 Rdf8 15. Qd2 h5 16. h4 g4 17. Nh2 Nd8 18. 0-0-0 Ne6 19. Rhe1 Nf4 20. Bxf4 exf4 21. g3 fxg3 22. fxg3 Qe5 23. Qg2 f5 24. Bxb7+ Kxb7 25. d4 Qa5 26. e5+ Bc6 27. d5 Bb5 28. Kb1 Qb6 29. Nf1 Qf2 30. Qh1 Bd3+ 31. Ka1 Be4 0-1

[Event "Teresina Piauiense-ch sf"]
[Site "Teresina"]
[Date "2021.08.15"]
[Round "4"]
[White "Da Silva, Wesley Rodrigo Ribe"]
[Black "Dos Santos, Joao Mateus Araujo"]
[Result "0-1"]
[ECO "C76"]
[PlyCount "72"]
[EventDate "2021.08.13"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. h3 Bd7 6. 0-0 g6 7. c3 Bg7 8. d4 Nf6 9. Re1 0-0 10. Bg5 Re8 11. Nbd2 Qc8 12. d5 Nb8 13. Bxd7 Nbxd7 14. Nf1 h6 15. Bd2 Nh5 16. Qc1 Kh7 17. N1h2 Nc5 18. Qc2 Nf6 19. b4 Ncd7 20. g4 c6 21. Qb3 cxd5 22. exd5 Nb6 23. Rac1 Nc4 24. g5 Nh5 25. Ng4 Nxd2 26. Nxd2 Nf4 27. Re3 hxg5 28. Ne4 Qd8 29. Nd2 Rc8 30. c4 Nxd5 31. Rf3 f5 32. Ne3 Nf4 33. Re1 e4 34. Rxf4 gxf4 35. Ng2 f3 36. Ne3 Qh4 0-1

[Event "Teresina Piauiense-ch sf"]
[Site "Teresina"]
[Date "2021.08.15"]
[Round "5"]
[White "Dos Santos, Joao Mateus Araujo"]
[Black "Lima Filho, Jose Pacifico"]
[Result "1-0"]
[ECO "D31"]
[BlackElo "1765"]
[PlyCount "43"]
[EventDate "2021.08.13"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. a4 e6 6. e4 Bb4 7. Qc2 Nbd7 8. Bxc4 Qa5 9. 0-0 0-0 10. e5 Nd5 11. Ng5 g6 12. Nce4 Qd8 13. Rd1 N7b6 14. Be2 Be7 15. a5 Nb4 16. Qb3 N6d5 17. Qh3 h5 18. Bxh5 Kg7 19. Bxg6 Rh8 20. Bh7 Kf8 21. Nxf7 Kxf7 22. Qh5+ 1-0

[Event "Teresina Piauiense-ch sf"]
[Site "Teresina"]
[Date "2021.08.14"]
[Round "2"]
[White "Dos Santos, Joao Mateus Araujo"]
[Black "Rocha, Antonio Ayrton"]
[Result "1-0"]
[ECO "D74"]
[PlyCount "75"]
[EventDate "2021.08.13"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. g3 0-0 5. Bg2 d5 6. cxd5 Nxd5 7. e4 Nb6 8. 0-0 Nc6 9. d5 Ne5 10. Nxe5 Bxe5 11. Nc3 Bg7 12. Qc2 Qd6 13. Bf4 Qc5 14. Be3 Qc4 15. Rfc1 Qb4 16. a3 Qd6 17. Nb5 Qd8 18. Nxc7 Rb8 19. a4 Bd7 20. a5 Na8 21. Bxa7 Rc8 22. Bb6 Nxb6 23. axb6 Be5 24. Ra7 Bxc7 25. bxc7 Qe8 26. Rxb7 Ba4 27. b3 Bd7 28. Ra7 e5 29. Qc5 Ra8 30. Rca1 Rxa7 31. Rxa7 f5 32. exf5 Rxf5 33. Bh3 Rf8 34. Qxf8+ Kxf8 35. Bxd7 Qxd7 36. Ra8+ Kg7 37. c8Q Qxd5 38. Qf8# 1-0

[Event "Teresina Piauiense-ch sf"]
[Site "Teresina"]
[Date "2021.08.14"]
[Round "3"]
[White "Dos Santos, Joao Mateus Araujo"]
[Black "Silva, Ronnyel Carlos Cunh"]
[Result "0-1"]
[ECO "A30"]
[BlackElo "1691"]
[PlyCount "112"]
[EventDate "2021.08.13"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 dxc4 4. g3 c5 5. Bg2 Nc6 6. Be3 Nf6 7. 0-0 cxd4 8. Nxd4 Nxd4 9. Bxd4 Be7 10. Qa4+ Bd7 11. Qxc4 Rc8 12. Qb3 b6 13. Na3 0-0 14. Rfd1 Qe8 15. Qd3 Bc6 16. Qa6 Bxg2 17. Kxg2 Qc6+ 18. Kg1 Bxa3 19. Qxa3 Qb7 20. Bxf6 gxf6 21. Rd4 Rc5 22. Qa4 Rfc8 23. Rad1 f5 24. Rd7 R5c7 25. Rd8+ Rxd8 26. Rxd8+ Kg7 27. Qf4 f6 28. Qd2 Re7 29. f3 Qc7 30. b4 a6 31. Qd6 Kf7 32. Kf2 a5 33. b5 Qxd6 34. Rxd6 Rb7 35. Rd8 Ke7 36. Rh8 Kd6 37. Rf8 Kc5 38. Re8 Kxb5 39. Rxe6 Rf7 40. a4+ Kc5 41. Ke3 b5 42. axb5 Kxb5 43. Kf4 a4 44. Re8 Ra7 45. Rb8+ Kc4 46. Kxf5 a3 47. Rb1 a2 48. Ra1 Ra6 49. h4 Kc3 50. e4 Kb2 51. Rxa2+ Kxa2 52. f4 Kb3 53. g4 Kc4 54. g5 fxg5 55. fxg5 Kd4 56. h5 Ra5+ 0-1

[Event "Teresina Piauiense-ch sf"]
[Site "Teresina"]
[Date "2021.08.13"]
[Round "1"]
[White "Sales, Luis Carlos"]
[Black "Dos Santos, Joao Mateus Araujo"]
[Result "1-0"]
[ECO "D04"]
[WhiteElo "1775"]
[PlyCount "98"]
[EventDate "2021.08.13"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. b3 Bg7 4. Bb2 d5 5. e3 0-0 6. Be2 c5 7. 0-0 Nc6 8. dxc5 Qa5 9. Nd4 Qxc5 10. Ba3 Qa5 11. Nxc6 bxc6 12. Bxe7 Re8 13. b4 Qc7 14. Bxf6 Bxf6 15. c3 a5 16. b5 a4 17. bxc6 Ra5 18. Qd2 Rc5 19. Rc1 Qa5 20. Bf3 a3 21. Rd1 Rd8 22. Qc1 Rxc6 23. Qxa3 Qb5 24. Qb3 Qc5 25. Rxd5 Rxd5 26. Qxd5 Bxc3 27. Qxc5 Rxc5 28. Nxc3 Rxc3 29. a4 Ba6 30. h3 Kf8 31. Rb1 Rc4 32. Rb8+ Ke7 33. a5 Rc1+ 34. Kh2 Rc2 35. Rb6 Bd3 36. a6 Bxa6 37. Rxa6 Rxf2 38. Kg3 Rd2 39. Kf4 h5 40. Kg5 Rd3 41. e4 Rc3 42. Ra7+ Ke6 43. Ra6+ Ke7 44. Ra7+ Ke6 45. Ra5 Rc2 46. Kh6 Kf6 47. Ra6+ Ke5 48. Kg5 Rc3 49. Ra5+ Ke6 1-0

