[Event "Campo Grande"]
[Site "Campo Grande"]
[Date "2022.06.06"]
[Round "5"]
[White "Andrade, Guilherme A de Sou"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1860"]
[BlackElo "2037"]
[PlyCount "58"]
[EventDate "2022.06.03"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Be3 a6 5. Qd2 b5 6. Bd3 Nbd7 7. a4 b4 8. Nce2 a5 9. d5 Bg7 10. Nd4 Bb7 11. f3 Ne5 12. Bb5+ Kf8 13. Nh3 Rc8 14. Ng5 c6 15. Nde6+ fxe6 16. Nxe6+ Kf7 17. Nxd8+ Rhxd8 18. dxc6 Bxc6 19. b3 d5 20. Qe2 dxe4 21. Bxc6 Rxc6 22. 0-0 exf3 23. gxf3 Nd5 24. Rae1 Rc3 25. Bd4 Nf4 26. Qe4 Rxd4 27. Qb7 Rd2 28. Re4 Nh3+ 29. Kh1 Rcxc2 0-1

[Event "Campo Grande"]
[Site "Campo Grande"]
[Date "2022.06.05"]
[Round "4"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Luz, Arthur Nader"]
[Result "1/2-1/2"]
[ECO "A26"]
[WhiteElo "2037"]
[BlackElo "2231"]
[PlyCount "66"]
[EventDate "2022.06.03"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 g6 2. c4 Bg7 3. Nc3 Nf6 4. g3 0-0 5. Bg2 d6 6. 0-0 e5 7. d3 Nc6 8. Rb1 a5 9. a3 Re8 10. b4 axb4 11. axb4 Nd4 12. Ne1 c6 13. b5 d5 14. bxc6 bxc6 15. Bg5 Be6 16. e3 Nf5 17. e4 dxe4 18. Nxe4 Nd4 19. Nc2 Nxc2 20. Qxc2 Bf5 21. c5 Bxe4 22. Bxe4 h6 23. Bxf6 Qxf6 24. Rb6 Re6 25. Qc4 Bf8 26. f4 Ra5 27. Rb8 Kg7 28. f5 Bxc5+ 29. Kg2 gxf5 30. Bxf5 Rd6 31. Qg4+ Qg5 32. Qe2 Qe3 33. Qg4+ Qg5 1/2-1/2

[Event "Campo Grande"]
[Site "Campo Grande"]
[Date "2022.06.04"]
[Round "3"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Kazuhiro Shikasho, Erik"]
[Result "1-0"]
[ECO "A30"]
[WhiteElo "2037"]
[BlackElo "1889"]
[PlyCount "73"]
[EventDate "2022.06.03"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 g6 3. g3 Bg7 4. Bg2 Nc6 5. 0-0 f5 6. Nc3 Nf6 7. d4 cxd4 8. Nxd4 0-0 9. Bf4 a6 10. Nxc6 bxc6 11. Qa4 Ng4 12. h3 e5 13. Bd2 Nf6 14. Rad1 Qc7 15. e4 Rb8 16. b4 f4 17. b5 axb5 18. cxb5 fxg3 19. fxg3 cxb5 20. Qb3+ Kh8 21. Kh2 Ba6 22. Nd5 Qc4 23. Bb4 Qxb3 24. axb3 Rf7 25. Bd6 Rc8 26. Bxe5 Nxd5 27. Rxf7 Bxe5 28. Rxd5 d6 29. Ra7 Rc6 30. Bf1 Rc2+ 31. Kg1 Bc8 32. Bd3 Rc3 33. Re7 Bxh3 34. Rxb5 Rc8 35. Rbb7 Kg8 36. Bc4+ Kf8 37. Rf7+ 1-0

[Event "Campo Grande"]
[Site "Campo Grande"]
[Date "2022.06.03"]
[Round "1"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Duailibe, Ricardo Miguel"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2037"]
[BlackElo "1831"]
[PlyCount "59"]
[EventDate "2022.06.03"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. Nf3 g6 2. d4 c5 3. Bg5 Bg7 4. c3 cxd4 5. cxd4 Nf6 6. Nc3 Qa5 7. Qd2 d5 8. e3 0-0 9. Bd3 Nc6 10. 0-0 Bf5 11. Bxf5 gxf5 12. Ne5 Nb8 13. f4 e6 14. Bxf6 Bxf6 15. Rf3 Bxe5 16. fxe5 Nd7 17. e4 dxe4 18. Rh3 f6 19. Qh6 Rf7 20. Rd1 Re8 21. Kh1 Nb6 22. Rg3+ Kh8 23. exf6 Rg8 24. Rxg8+ Kxg8 25. Qg5+ Kf8 26. Nxe4 Qa4 27. b3 Qc6 28. Qh6+ Ke8 29. Ng5 Qc2 30. Qh5 1-0

[Event "Campo Grande"]
[Site "Campo Grande"]
[Date "2022.06.03"]
[Round "2"]
[White "Souza dos Santos, Matheus Garcett"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "0-1"]
[ECO "B15"]
[WhiteElo "2034"]
[BlackElo "2037"]
[PlyCount "52"]
[EventDate "2022.06.03"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. f4 d5 5. e5 Qb6 6. a3 Nh6 7. Be3 0-0 8. h3 f6 9. Nf3 Nf7 10. Bd3 fxe5 11. fxe5 Nxe5 12. Nxe5 Bxe5 13. Ne2 Bg7 14. b3 e5 15. c3 exd4 16. Nxd4 c5 17. Ne2 Nc6 18. Bxg6 d4 19. Bc2 Bf5 20. Bxf5 Rxf5 21. Qc2 Raf8 22. cxd4 cxd4 23. Bd2 Rc5 24. Qd3 Ne5 25. Qg3 Rc2 26. Bf4 d3 0-1

[Event "Sao Paulo Carnaval op"]
[Site "Sao Paulo"]
[Date "2020.02.25"]
[Round "7"]
[White "Kikuchi Cadilhac, Mariana Sawae"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1834"]
[BlackElo "2037"]
[PlyCount "52"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 c6 4. g3 d6 5. Bg2 Nf6 6. Nge2 0-0 7. 0-0 Nbd7 8. f4 e5 9. f5 Qb6 10. Na4 Qa5 11. b3 exd4 12. Nxd4 Ng4 13. c3 Nge5 14. b4 Qc7 15. g4 a5 16. Be3 Nc4 17. Bf2 b5 18. e5 Ndxe5 19. Nxb5 cxb5 20. Bxa8 bxa4 21. Be4 axb4 22. cxb4 Bb7 23. Bxb7 Qxb7 24. Bd4 Qxb4 25. f6 Bh6 26. Re1 Qxe1+ 0-1

[Event "Sao Paulo Carnaval op"]
[Site "Sao Paulo"]
[Date "2020.02.24"]
[Round "6"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Da Silva, Anderson Lemes"]
[Result "1/2-1/2"]
[ECO "A13"]
[WhiteElo "2037"]
[BlackElo "1833"]
[PlyCount "45"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. e3 b6 4. Nc3 Bb7 5. b3 Be7 6. Bb2 c5 7. Qc2 0-0 8. Be2 Nc6 9. Rd1 Rc8 10. 0-0 Qc7 11. d4 cxd4 12. Nb5 Qb8 13. Nbxd4 d5 14. Qb1 Rfd8 15. h3 Qa8 16. Nxc6 Bxc6 17. Ne5 Bb7 18. cxd5 Bxd5 19. Bf3 Bxf3 20. Nxf3 Ne4 21. Rxd8+ Rxd8 22. Rd1 Rxd1+ 23. Qxd1 1/2-1/2

[Event "Sao Paulo Carnaval op"]
[Site "Sao Paulo"]
[Date "2020.02.24"]
[Round "5"]
[White "Umetsubo, Cesar Hidemitsu"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "2367"]
[BlackElo "2037"]
[PlyCount "75"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Be2 Nf6 5. Nc3 c6 6. 0-0 0-0 7. a4 Bg4 8. h3 Bxf3 9. Bxf3 Nbd7 10. a5 e5 11. Be3 Re8 12. g3 Qc7 13. Bg2 Nf8 14. d5 c5 15. a6 Reb8 16. Nb5 Qd7 17. c4 Ne8 18. axb7 Qxb7 19. Qd3 a6 20. Nc3 Nd7 21. Rfb1 Qc8 22. Bf3 Nb6 23. Bg4 Qc7 24. Bd1 Nc8 25. Ba4 Ne7 26. Bxe8 Rxe8 27. b4 cxb4 28. Rxb4 Reb8 29. Rxb8+ Rxb8 30. Rxa6 Qc8 31. Ra7 Qxh3 32. Rxe7 f5 33. Qf1 Qg4 34. Qd1 Qh3 35. Qa4 f4 36. Rxg7+ Kxg7 37. Qa7+ Kf6 38. Qxb8 1-0

[Event "Sao Paulo Carnaval op"]
[Site "Sao Paulo"]
[Date "2020.02.23"]
[Round "3"]
[White "Bueno, Jonas Alves"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "0-1"]
[ECO "D96"]
[WhiteElo "1848"]
[BlackElo "2037"]
[PlyCount "54"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 a6 7. Bf4 b5 8. Qxc7 Qxc7 9. Bxc7 Bb7 10. Ne5 0-0 11. e3 Rc8 12. Ba5 Ne8 13. Nd3 Nc6 14. Bb6 Rab8 15. Bc5 e5 16. d5 Na5 17. e4 Nc4 18. Be2 Nxb2 19. Bb4 Nc4 20. Nc5 a5 21. Bxc4 axb4 22. Nxb5 Rxc5 23. Be2 Ba6 24. Na7 Bxe2 25. Kxe2 Rc2+ 26. Kf3 Ra8 27. Nc6 Ra3+ 0-1

[Event "Sao Paulo Carnaval op"]
[Site "Sao Paulo"]
[Date "2020.02.23"]
[Round "4"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "De Borba, Gabriel"]
[Result "1/2-1/2"]
[ECO "A29"]
[WhiteElo "2037"]
[BlackElo "2148"]
[PlyCount "56"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. 0-0 Be7 8. d3 0-0 9. a3 Be6 10. b4 Nd4 11. Rb1 Nd5 12. Bb2 Nxf3+ 13. Bxf3 f6 14. d4 Nxc3 15. Bxc3 exd4 16. Qxd4 c6 17. Qe3 Bf5 18. Rfd1 Bxb1 19. Rxd8 Bxd8 20. Qe6+ Kh8 21. b5 Bb6 22. bxc6 bxc6 23. Bxc6 Rac8 24. Bb4 Rfd8 25. Be7 Rd1+ 26. Kg2 Bf5 27. Qf7 Bg6 28. Qe6 Bf5 1/2-1/2

[Event "Sao Paulo Carnaval op"]
[Site "Sao Paulo"]
[Date "2020.02.22"]
[Round "2"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Haraguchi, Diego Sashaki"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "2037"]
[BlackElo "1771"]
[PlyCount "58"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. b3 Bg7 4. Bb2 0-0 5. g3 b6 6. Bg2 Bb7 7. 0-0 c5 8. d3 d5 9. cxd5 Nxd5 10. Bxg7 Kxg7 11. Qd2 e6 12. Na3 Na6 13. Nc4 Qe7 14. Nce5 Rad8 15. Ng4 Rh8 16. Qh6+ Kg8 17. e4 f5 18. exd5 fxg4 19. Ng5 Bxd5 20. Rfe1 Nc7 21. Rad1 Qf8 22. Qh4 Bxg2 23. Kxg2 h6 24. Ne4 Qf3+ 25. Kg1 g5 26. Qh5 Kg7 27. h3 Rhf8 28. Qxg4 Qxg4 29. hxg4 Rf3 1/2-1/2

[Event "Sao Paulo Carnaval op"]
[Site "Sao Paulo"]
[Date "2020.02.22"]
[Round "1"]
[White "De Paula, Bruno Cesar Lima"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1520"]
[BlackElo "2037"]
[PlyCount "84"]
[EventDate "2020.02.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c4 Nc6 4. Be3 e5 5. d5 Nd4 6. f4 c5 7. Bxd4 exd4 8. e5 d6 9. Nf3 Nh6 10. Nbd2 0-0 11. Bd3 Ng4 12. h3 Ne3 13. Qe2 Re8 14. Nf1 dxe5 15. Nxe3 e4 16. 0-0-0 exd3 17. Rxd3 Bf5 18. Rb3 dxe3 19. Re1 Qa5 20. Ra3 Qc7 21. g3 a6 22. Rxe3 Rxe3 23. Qxe3 b5 24. Ne5 bxc4 25. Nxc4 Bd4 26. Qf3 Qb7 27. g4 Be6 28. Rxe6 fxe6 29. Qe2 Qxd5 30. Nb6 Qh1+ 31. Kc2 Rd8 32. f5 Qc6 33. fxg6 Qxb6 34. Qe4 Qxb2+ 35. Kd1 Qa1+ 36. Kd2 Qxa2+ 37. Kd1 Qd5 38. gxh7+ Kh8 39. Qg6 Be3+ 40. Kc2 Qd2+ 41. Kb3 Rb8+ 42. Kc4 Qb4+ 0-1

[Event "Sao Paulo op-A U2300 8th"]
[Site "Sao Paulo"]
[Date "2019.10.20"]
[Round "5"]
[White "Brito, Luismar Jorge"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "2244"]
[BlackElo "2068"]
[PlyCount "115"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. Nc3 g6 2. h4 d5 3. d4 Nf6 4. Bf4 Bg7 5. Qd2 h5 6. Nf3 c6 7. e3 Bg4 8. Ne5 Nbd7 9. f3 Bf5 10. Bd3 Nf8 11. e4 dxe4 12. fxe4 Bg4 13. Bc4 Ne6 14. Be3 Qd6 15. Bf4 0-0 16. Bxe6 Qxe6 17. Qe3 Nd7 18. Nf3 Qc4 19. 0-0-0 b5 20. Kb1 a5 21. Qd3 Qxd3 22. Rxd3 a4 23. Nd1 c5 24. c3 cxd4 25. cxd4 Rfd8 26. Nf2 Rac8 27. Rc1 Rxc1+ 28. Bxc1 Nb6 29. d5 Nc4 30. Nxg4 hxg4 31. Nd4 Ne5 32. Rd1 e6 33. Nxb5 Rb8 34. dxe6 fxe6 35. Nd4 Nc4 36. b3 axb3 37. Nxb3 Bf6 38. g3 Be5 39. Rd3 Na5 40. Bd2 Nc4 41. Bc1 Na5 42. Bb2 Bxb2 43. Kxb2 Nc4+ 44. Kc3 Ne5 45. Rd6 Kg7 46. Nd4 Re8 47. Rxe6 Nf3 48. Rc6 Rh8 49. Kb2 Nxd4 50. Rc4 Rh5 51. a4 Kf6 52. a5 Ke5 53. a6 Rh7 54. Ka2 Rh8 55. Rc5+ Kxe4 56. Rg5 Kf3 57. Rxg6 Kxg3 58. h5 1/2-1/2

[Event "Sao Paulo op-A U2300 8th"]
[Site "Sao Paulo"]
[Date "2019.10.20"]
[Round "6"]
[White "Luz, Arthur Nader"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "2184"]
[BlackElo "2068"]
[PlyCount "37"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c4 Nc6 4. Ne2 e5 5. Be3 exd4 6. Nxd4 Nxd4 7. Bxd4 Bxd4 8. Qxd4 Qf6 9. e5 Qe6 10. Be2 Ne7 11. f4 0-0 12. Nc3 f6 13. 0-0 Nc6 14. Qd2 fxe5 15. Bf3 Ne7 16. fxe5 d6 17. Bd5 Rxf1+ 18. Rxf1 Nxd5 19. Nxd5 1-0

[Event "Sao Paulo op-A U2300 8th"]
[Site "Sao Paulo"]
[Date "2019.10.19"]
[Round "4"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Bispo, Leonardo"]
[Result "1/2-1/2"]
[ECO "A38"]
[WhiteElo "2068"]
[BlackElo "2228"]
[PlyCount "79"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. b3 Bg7 4. Bb2 0-0 5. g3 c5 6. Bg2 Nc6 7. 0-0 d6 8. Nc3 Bf5 9. d4 Ne4 10. Nd5 g5 11. Nd2 Nxd2 12. Qxd2 cxd4 13. Qxg5 e6 14. Qxd8 Raxd8 15. Nf4 e5 16. Nd5 Rd7 17. Rad1 Bg4 18. Rfe1 Ne7 19. Nxe7+ Rxe7 20. h3 Bf5 21. e3 dxe3 22. Rxe3 Rd7 23. c5 dxc5 24. Rxd7 Bxd7 25. Bxe5 Bxe5 26. Rxe5 b6 27. Re7 Rd8 28. Bd5 Be8 29. Bc4 b5 30. Be2 Bd7 31. Bh5 Be6 32. Rxa7 Rc8 33. Bg4 c4 34. Bxe6 fxe6 35. bxc4 bxc4 36. Rd7 c3 37. Rd1 Ra8 38. Rc1 Rxa2 39. Rxc3 Kg7 40. Kg2 1/2-1/2

[Event "Sao Paulo op-A U2300 8th"]
[Site "Sao Paulo"]
[Date "2019.10.19"]
[Round "3"]
[White "Miquelin, Nicolas Seoane"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "2044"]
[BlackElo "2068"]
[PlyCount "60"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. h3 Nf6 5. Nc3 a6 6. a4 0-0 7. Bc4 Nc6 8. d5 Na7 9. 0-0 Bd7 10. Be3 b5 11. axb5 Nxb5 12. Qd3 Nxc3 13. bxc3 a5 14. Nd4 Qc8 15. Rfb1 c5 16. dxc6 Bxc6 17. f3 Qc7 18. Nxc6 Qxc6 19. Ra3 Rfc8 20. Bb5 Qc7 21. Bd4 e5 22. Bf2 Bf8 23. c4 d5 24. cxd5 Bxa3 25. Qxa3 Nd7 26. Qe7 Nc5 27. Qxc7 Rxc7 28. Bc6 Rxc6 29. dxc6 Ne6 30. Bb6 Rc8 1/2-1/2

[Event "Sao Paulo op-A U2300 8th"]
[Site "Sao Paulo"]
[Date "2019.10.18"]
[Round "2"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Nunes, Guilherme Sacardo T"]
[Result "1/2-1/2"]
[ECO "A15"]
[WhiteElo "2068"]
[BlackElo "1741"]
[PlyCount "146"]
[EventDate "2019.10.17"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 192 Extra"]
[Source "Chessbase"]
[SourceDate "2019.11.06"]
[SourceVersion "1"]
[SourceVersionDate "2019.11.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. b3 Bg7 4. Bb2 0-0 5. g3 d6 6. Bg2 e5 7. d3 Nfd7 8. Qd2 f5 9. Ng5 Nb6 10. f4 Nc6 11. Nc3 h6 12. Nh3 Re8 13. Nd5 Nd4 14. 0-0 exf4 15. Nhxf4 g5 16. e3 gxf4 17. Bxd4 fxe3 18. Bxe3 Bxa1 19. Rxa1 Nxd5 20. Bxd5+ Kh7 21. Qf2 Qf6 22. Bd4 Qg6 23. Rf1 c6 24. Bg2 Bd7 25. c5 dxc5 26. Bxc5 b6 27. Bd4 Rad8 28. Qf4 c5 29. Bc3 Be6 30. Bc6 Bd7 31. Bf3 Bb5 32. Rd1 Qe6 33. Re1 Qd7 34. Re5 Rxe5 35. Qxe5 Re8 36. Qf6 Rg8 37. Bh5 Rg7 38. Bg6+ Kg8 39. Bxf5 Qe7 40. Be6+ Kh7 41. Qxg7+ Qxg7 42. Bxg7 Kxg7 43. Bc4 Bc6 44. a4 Kf6 45. Kf2 Kf5 46. Ke3 Kg4 47. Be6+ Kg5 48. d4 cxd4+ 49. Kxd4 Kf6 50. Bd5 Bd7 51. Bf3 Kf5 52. h3 Kg6 53. h4 Kf6 54. Bd1 Bc6 55. Ke3 Ke5 56. Bc2 Bd7 57. b4 Bg4 58. Be4 Bh5 59. a5 Bd1 60. Bf3 Bc2 61. Kd2 Bb3 62. Kc3 Be6 63. Kd3 Bb3 64. axb6 axb6 65. g4 Kf4 66. Be2 Be6 67. g5 hxg5 68. hxg5 Kxg5 69. Kd4 Kf6 70. Bc4 Bd7 71. Bg8 Be6 72. Bxe6 Kxe6 73. Kc4 Kd6 1/2-1/2

[Event "Lagoas op 4th"]
[Site "Lagoas"]
[Date "2019.09.29"]
[Round "4"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Dos Santos, Edson Trajano"]
[Result "1-0"]
[ECO "E12"]
[WhiteElo "2068"]
[BlackElo "1824"]
[PlyCount "46"]
[EventDate "2019.09.27"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 c5 2. g3 Nc6 3. Bg2 Nf6 4. Nf3 e6 5. 0-0 Be7 6. Nc3 0-0 7. a3 d5 8. cxd5 exd5 9. d4 b6 10. Ne5 Bb7 11. e3 Na5 12. Bd2 Nc4 13. Nxc4 Ba6 14. Ne5 Bxf1 15. Qxf1 cxd4 16. Nc6 Qc7 17. Nxd4 Rad8 18. Qa6 Bc5 19. Ncb5 Qd7 20. Qxa7 Bxd4 21. Qxd7 Rxd7 22. Nxd4 Ne4 23. Bb4 Rc8 1-0

[Event "Lagoas op 4th"]
[Site "Lagoas"]
[Date "2019.09.29"]
[Round "5"]
[White "Farias, Jose Nogueira de"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "1/2-1/2"]
[ECO "A00"]
[WhiteElo "1850"]
[BlackElo "2068"]
[PlyCount "22"]
[EventDate "2019.09.27"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. b4 b5 2. Bb2 Bb7 3. Nf3 e6 4. e3 a6 5. Be2 Nf6 6. a3 Be7 7. 0-0 d6 8. c4 bxc4 9. Bxc4 Nbd7 10. d4 0-0 11. Nbd2 Nb6 1/2-1/2

[Event "Lagoas op 4th"]
[Site "Lagoas"]
[Date "2019.09.28"]
[Round "2"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Andrade, Guilherme A de Sou"]
[Result "1/2-1/2"]
[ECO "A27"]
[WhiteElo "2068"]
[BlackElo "1861"]
[PlyCount "43"]
[EventDate "2019.09.27"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 f5 4. d4 e4 5. Ng5 Bb4 6. Qb3 Nxd4 7. Qd1 Ne6 8. h4 Nf6 9. Bd2 Bxc3 10. Bxc3 d6 11. e3 h6 12. Nh3 Bd7 13. g3 Qe7 14. Be2 0-0-0 15. h5 Qf7 16. b4 Ng4 17. Nf4 Nxf4 18. gxf4 Be6 19. Qd4 Qf6 20. Qd2 Qf7 21. Qd4 Qf6 22. Qd2 1/2-1/2

[Event "Lagoas op 4th"]
[Site "Lagoas"]
[Date "2019.09.28"]
[Round "3"]
[White "Duailibe, Ricardo Miguel"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1847"]
[BlackElo "2068"]
[PlyCount "71"]
[EventDate "2019.09.27"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Be2 a6 5. 0-0 Nc6 6. Be3 Bg4 7. Nc3 e5 8. dxe5 Bxf3 9. Bxf3 Nxe5 10. Be2 Ne7 11. f4 N5c6 12. a4 Qd7 13. Bc4 Rf8 14. Qe2 Nb4 15. Rfd1 0-0-0 16. Bc5 Nec6 17. Bb5 Qe7 18. Bxb4 Nxb4 19. Qc4 d5 20. exd5 Nxc2 21. Bxa6 Qe3+ 22. Kh1 Bxc3 23. Bxb7+ Kxb7 24. bxc3 Rd6 25. Qb3+ Rb6 26. Qxc2 Qxf4 27. Rab1 Qc4 28. Rxb6+ cxb6 29. d6 Rd8 30. h3 Kc6 31. Qf2 f5 32. Qf3+ Qe4 33. Qf1 Qxa4 34. Rd4 Qb5 35. Qf3+ Kd7 36. Qb7+ 1-0

[Event "Lagoas op 4th"]
[Site "Lagoas"]
[Date "2019.09.27"]
[Round "1"]
[White "Rosse, Dayane Ernestine"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1521"]
[BlackElo "2068"]
[PlyCount "40"]
[EventDate "2019.09.27"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 a6 5. Be2 b5 6. a3 Nd7 7. 0-0 Bb7 8. Bd2 c5 9. d5 Ngf6 10. h3 0-0 11. Qc1 e6 12. dxe6 fxe6 13. Ng5 Qe7 14. Re1 Rac8 15. Bf3 Ne5 16. Bf4 h6 17. Bxe5 dxe5 18. Qe3 hxg5 19. Qxg5 Qf7 20. Qxe5 Nxe4 0-1

[Event "Ponta Pora-ch"]
[Site "Ponta Pora"]
[Date "2019.07.21"]
[Round "5"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Bogarin, Lilio Moreira"]
[Result "1-0"]
[ECO "A12"]
[WhiteElo "2045"]
[BlackElo "1824"]
[PlyCount "127"]
[EventDate "2019.07.19"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 c6 3. b3 d5 4. e3 Bf5 5. Bb2 a6 6. Nc3 h6 7. Rc1 e6 8. h3 Bd6 9. Rg1 Nbd7 10. g4 Bh7 11. h4 h5 12. g5 Ng4 13. cxd5 exd5 14. Ne2 Nde5 15. Nf4 Be4 16. Nxe5 Nxe5 17. Be2 g6 18. f3 Bf5 19. Kf2 Rg8 20. Ng2 Qa5 21. a3 Qc7 22. Nf4 Qe7 23. b4 Nd7 24. Nd3 Bxd3 25. Bxd3 Be5 26. Qb3 Bxb2 27. Qxb2 Qe5 28. Qxe5+ Nxe5 29. Bf1 Ke7 30. d4 Nd7 31. a4 Kd6 32. e4 Rge8 33. Bd3 Nb6 34. a5 Nd7 35. e5+ Ke7 36. f4 Kf8 37. Ke3 Kg7 38. Rg2 Rf8 39. Bf1 Rfe8 40. Kd3 Nf8 41. Rf2 Ne6 42. f5 Nc7 43. Bh3 Nb5 44. Rcf1 gxf5 45. Rxf5 Re7 46. Rf6 Nc7 47. g6 fxg6 48. Rg1 Rf7 49. Rfxg6+ Kf8 50. Rg8+ Ke7 51. Rxa8 Nxa8 52. Ke3 Nc7 53. Rg5 Rh7 54. Bf5 Rf7 55. Rxh5 Ne8 56. Rh7 Rxh7 57. Bxh7 Ng7 58. Bg6 Ne6 59. Bf5 Ng7 60. Bc8 Kd8 61. Bxb7 Kc7 62. Bxa6 Nf5+ 63. Kf2 Nxh4 64. Bd3 1-0

[Event "Ponta Pora-ch"]
[Site "Ponta Pora"]
[Date "2019.07.21"]
[Round "4"]
[White "Gazineu Neto, Rubens"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1961"]
[BlackElo "2045"]
[PlyCount "82"]
[EventDate "2019.07.19"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Be2 a6 5. c4 e5 6. dxe5 dxe5 7. Qxd8+ Kxd8 8. Nc3 Nc6 9. Be3 Be6 10. 0-0-0+ Ke8 11. Nd5 Bxd5 12. exd5 Nce7 13. g4 Nh6 14. h3 f6 15. Bc5 Nf7 16. Nd2 Nc8 17. Ne4 Ncd6 18. f3 Nxe4 19. fxe4 Bh6+ 20. Kc2 b6 21. Ba3 Bf8 22. Bxf8 Kxf8 23. Kd3 Ke7 24. Rc1 a5 25. c5 bxc5 26. Rxc5 Ra7 27. Rhc1 Kd7 28. Ke3 Nd6 29. h4 Rb8 30. R1c2 Rb4 31. Bd3 a4 32. a3 Rb3 33. R5c3 Rab7 34. Kd2 Rxc3 35. bxc3 Rb1 36. c4 c5 37. dxc6+ Kxc6 38. Rc3 Rg1 39. Bc2 Kc5 40. h5 Rxg4 41. hxg6 hxg6 0-1

[Event "Ponta Pora-ch"]
[Site "Ponta Pora"]
[Date "2019.07.20"]
[Round "3"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Maachar, Sami Hiedeo Akamine"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "2045"]
[BlackElo "1401"]
[PlyCount "35"]
[EventDate "2019.07.19"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nf3 d6 5. 0-0 Nc6 6. Nc3 e6 7. a3 Qd7 8. b4 Nge7 9. Rb1 Rb8 10. Bb2 b6 11. Ne4 0-0 12. Nf6+ Bxf6 13. Bxf6 Bb7 14. d3 cxb4 15. axb4 d5 16. Qc1 dxc4 17. e4 cxd3 18. Qh6 1-0

[Event "Ponta Pora-ch"]
[Site "Ponta Pora"]
[Date "2019.07.20"]
[Round "2"]
[White "Kazuhiro Shikasho, Erik"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1823"]
[BlackElo "2045"]
[PlyCount "48"]
[EventDate "2019.07.19"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 g6 2. Nc3 Bg7 3. d4 d6 4. Nf3 a6 5. Be3 b5 6. a3 Bb7 7. Bd3 Nd7 8. Qe2 Ngf6 9. 0-0 0-0 10. Rac1 c5 11. dxc5 dxc5 12. b3 Qc7 13. Bd2 Rac8 14. Qe3 Ng4 15. Qg5 Nde5 16. Nxe5 Nxe5 17. Bf4 h6 18. Qg3 g5 19. Bd2 Nxd3 20. Qxc7 Rxc7 21. cxd3 Rd7 22. Rfe1 Rxd3 23. Rc2 Rfd8 24. Rd1 Bxc3 0-1

[Event "American Continental 15th"]
[Site "Sao Paulo"]
[Date "2019.07.13"]
[Round "11"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Andrade, Roberto Luiz Costa"]
[Result "1/2-1/2"]
[ECO "A38"]
[WhiteElo "2045"]
[BlackElo "2123"]
[PlyCount "171"]
[EventDate "2019.07.05"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nf3 Nf6 5. 0-0 0-0 6. Nc3 Nc6 7. a3 d5 8. cxd5 Nxd5 9. Rb1 Rb8 10. Nxd5 Qxd5 11. d3 Qh5 12. b4 cxb4 13. axb4 Qb5 14. Bf4 e5 15. Bd2 Bf5 16. Ng5 Rbd8 17. Ne4 Nd4 18. Bg5 f6 19. Nc3 Qd7 20. Bd2 Kh8 21. b5 Bh3 22. Bxh3 Qxh3 23. Ra1 Ra8 24. e3 Ne6 25. Nd5 Rfd8 26. e4 f5 27. Bc3 f4 28. Qf3 Ng5 29. Qg2 Qxg2+ 30. Kxg2 f3+ 31. Kh1 Ne6 32. Ra3 Rac8 33. Rxa7 Nc5 34. Ba5 Nxd3 35. Kg1 Ra8 36. b6 Bf8 37. Rd1 Nc5 38. Bc3 Bg7 39. Rxa8 Rxa8 40. Nc7 Rc8 41. Re1 Na4 42. Ba5 Rd8 43. h4 Rd3 44. Rc1 Nb2 45. g4 h5 46. Ne6 Rd1+ 47. Rxd1 Nxd1 48. Nd8 Nb2 49. Nxb7 Nc4 50. Nd8 Nxa5 51. b7 Nxb7 52. Nxb7 hxg4 53. Kh2 Bf6 54. Kg3 Be7 55. Kxg4 Kg7 56. Na5 Kh6 57. Nc4 Bc5 58. Kxf3 Bd4 59. Kg4 Bc3 60. f3 Bd4 61. Nd2 Bc3 62. Nf1 Bd4 63. Ng3 Bf2 64. Ne2 Be1 65. f4 exf4 66. Nxf4 Bc3 67. Nd3 Kg7 68. e5 Kf7 69. Kf4 Ke6 70. Ke4 Bd2 71. Nf4+ Kf7 72. Ng2 Ke6 73. Nf4+ Kf7 74. Kf3 Be1 75. Kg4 Bc3 76. Nd3 Kg7 77. Kg5 Bd2+ 78. Nf4 Kf7 79. Kg4 Kg7 80. Nh3 Bc3 81. Kf4 Be1 82. Kg4 Bc3 83. e6 Kf6 84. Nf4 Bd2 85. e7 Kxe7 86. Nxg6+ 1/2-1/2

[Event "American Continental 15th"]
[Site "Sao Paulo"]
[Date "2019.07.12"]
[Round "10"]
[White "Souza, Wellington"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2097"]
[BlackElo "2045"]
[PlyCount "38"]
[EventDate "2019.07.05"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d5 6. Nbd2 c5 7. dxc5 Na6 8. Nb3 Ne4 9. c3 Naxc5 10. Be3 b6 11. Bd4 e6 12. Nxc5 bxc5 13. Bxg7 Kxg7 14. Nd2 Nxd2 15. Qxd2 Ba6 16. Rfd1 Rb8 17. b3 Qa5 18. e4 dxe4 19. Bxe4 Rbd8 1/2-1/2

[Event "American Continental 15th"]
[Site "Sao Paulo"]
[Date "2019.07.11"]
[Round "9"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Campelo, Leandro Fabricio"]
[Result "1/2-1/2"]
[ECO "A26"]
[WhiteElo "2045"]
[BlackElo "2155"]
[PlyCount "50"]
[EventDate "2019.07.05"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. c4 g6 2. g3 Bg7 3. Bg2 Nf6 4. Nf3 0-0 5. 0-0 d6 6. Nc3 e5 7. d3 Nc6 8. Rb1 a5 9. a3 Re8 10. b4 axb4 11. axb4 e4 12. Ng5 exd3 13. exd3 Bg4 14. Qd2 Nd4 15. h3 Bc8 16. Kh2 c6 17. Nf3 Nxf3+ 18. Bxf3 Bf5 19. b5 Qc7 20. Nd1 Nd7 21. Bb2 Ne5 22. Bxe5 Bxe5 23. Ne3 Bd7 24. Ng4 Bxg4 25. hxg4 Bg7 1/2-1/2

[Event "American Continental 15th"]
[Site "Sao Paulo"]
[Date "2019.07.10"]
[Round "8"]
[White "Guimaraes, Wagner Peixoto"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2206"]
[BlackElo "2045"]
[PlyCount "99"]
[EventDate "2019.07.05"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d5 6. b3 c5 7. c3 Ne4 8. Bb2 Nd7 9. c4 dxc4 10. Qc2 Nd6 11. bxc4 Qc7 12. Na3 cxd4 13. Nxd4 Qc5 14. Nb3 Qb4 15. Bxg7 Kxg7 16. Qc1 Nc5 17. Nd4 Bd7 18. Rb1 Qa4 19. Qe3 Ne6 20. Nxe6+ Bxe6 21. c5 Nf5 22. Qc3+ Qd4 23. Qxd4+ Nxd4 24. Rxb7 Rac8 25. Re1 Rxc5 26. Rxa7 Bxa2 27. e3 Nf5 28. Be4 Nd6 29. Bf3 e6 30. Rd1 Rd8 31. Kg2 Nb5 32. Nxb5 Rxd1 33. Rxa2 Rcc1 34. Nd4 Rc7 35. h4 h5 36. Ra6 Rdc1 37. Be4 Kf6 38. Ne2 R1c4 39. Nd4 Ke7 40. Kf3 R7c5 41. Bd3 Rc3 42. Bxg6 e5 43. Ne2 Rc6 44. Rxc6 Rxc6 45. Bxh5 f5 46. g4 Rc4 47. gxf5 Rxh4 48. Ng3 Kf6 49. Bg4 Kf7 50. Nh5 1-0

[Event "American Continental 15th"]
[Site "Sao Paulo"]
[Date "2019.07.09"]
[Round "7"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "De Borba, Gabriel"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "2045"]
[BlackElo "2116"]
[PlyCount "91"]
[EventDate "2019.07.05"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 g6 3. g3 Bg7 4. Bg2 d6 5. e4 f5 6. d3 c6 7. Nge2 Nf6 8. 0-0 0-0 9. Rb1 a5 10. a3 Be6 11. Qc2 Qd7 12. Na4 Qf7 13. b4 axb4 14. axb4 fxe4 15. dxe4 Bxc4 16. Nb6 Bxe2 17. Qxe2 Ra2 18. Rb2 Rxb2 19. Bxb2 Qc7 20. Nc4 b5 21. Ne3 Na6 22. Qd2 Rd8 23. Rd1 Qb6 24. Bxe5 Ne8 25. Bxg7 Nxg7 26. Ng4 Nh5 27. e5 d5 28. Nh6+ Kh8 29. Nf7+ Kg8 30. Nxd8 Qxd8 31. Qc3 Qd7 32. Ra1 Nb8 33. Qc5 Ng7 34. Qd6 Qxd6 35. exd6 Kf7 36. Bh3 Nf5 37. Bxf5 gxf5 38. Re1 Kf6 39. f4 h5 40. Re2 Nd7 41. Kf2 Nb6 42. Ke1 Nd7 43. Kd2 Nb6 44. Kd3 Nd7 45. Kd4 Kg6 46. Re7 1-0

[Event "American Continental 15th"]
[Site "Sao Paulo"]
[Date "2019.07.09"]
[Round "6"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Do Prado, Hamilton Mesquita"]
[Result "1-0"]
[ECO "D33"]
[WhiteElo "2045"]
[BlackElo "1675"]
[PlyCount "109"]
[EventDate "2019.07.05"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. c4 c5 2. g3 Nf6 3. Bg2 Nc6 4. Nf3 e6 5. 0-0 d5 6. cxd5 exd5 7. d4 h6 8. Nc3 Be6 9. e3 Be7 10. dxc5 Bxc5 11. b3 Rc8 12. Bb2 0-0 13. Rc1 Qe7 14. Qe2 Ba3 15. Rfd1 Bxb2 16. Qxb2 Rfd8 17. Ne2 Bf5 18. Nfd4 Be4 19. Bh3 Nxd4 20. Qxd4 Rxc1 21. Rxc1 b6 22. b4 g5 23. Nc3 Bf3 24. Bg2 Bxg2 25. Kxg2 Qe6 26. Rd1 Rd7 27. h4 a6 28. hxg5 hxg5 29. Rh1 b5 30. Kf1 Kg7 31. f3 Rc7 32. Kf2 Rc4 33. Qd2 Qf5 34. Kg2 Qe5 35. Ne2 g4 36. Nd4 gxf3+ 37. Nxf3 Qe4 38. Rh4 Ng4 39. Qe2 Rc2 40. Rxg4+ Kf8 41. Rxe4 Rxe2+ 42. Kf1 Rxa2 43. Rd4 Ra4 44. Ke2 Ke7 45. Ne1 Ke6 46. Nd3 Ra2+ 47. Kf3 a5 48. bxa5 Rxa5 49. Nf4+ Kd6 50. Nxd5 Kc6 51. g4 Ra1 52. Nb4+ Kc5 53. Nd3+ Kc6 54. Rf4 f6 55. Rxf6+ 1-0

[Event "American Continental 15th"]
[Site "Sao Paulo"]
[Date "2019.07.08"]
[Round "5"]
[White "Jodorcovsky Werjivker, Paulo"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "1-0"]
[ECO "D75"]
[WhiteElo "2228"]
[BlackElo "2045"]
[PlyCount "41"]
[EventDate "2019.07.05"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. g3 0-0 6. cxd5 Nxd5 7. Bg2 Nxc3 8. bxc3 c5 9. 0-0 Nc6 10. Be3 Be6 11. Qa4 Bd5 12. dxc5 Qc7 13. Rad1 Rfd8 14. Bf4 Qa5 15. Qxa5 Nxa5 16. Bc7 Nc6 17. Bxd8 Rxd8 18. Nd4 Nxd4 19. cxd4 Bxa2 20. Bxb7 Bc4 21. c6 1-0

[Event "American Continental 15th"]
[Site "Sao Paulo"]
[Date "2019.07.07"]
[Round "4"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Pereira Vera, Henry Alberto"]
[Result "1-0"]
[ECO "A34"]
[WhiteElo "2045"]
[BlackElo "1790"]
[PlyCount "55"]
[EventDate "2019.07.05"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 Nf6 6. 0-0 d5 7. cxd5 Nxd5 8. a3 Nc7 9. Rb1 0-0 10. b4 cxb4 11. axb4 Bf5 12. e4 Bxc3 13. exf5 Bg7 14. b5 Na5 15. Qa4 b6 16. Ng5 Rc8 17. fxg6 hxg6 18. Qh4 Re8 19. Bb2 e5 20. Ba3 Re7 21. Bh3 Nd5 22. Bxc8 Qxc8 23. Bxe7 Nxe7 24. Rfc1 Qf5 25. Ne4 g5 26. Qxg5 Qxe4 27. Qxe7 Nc4 28. Qb4 1-0

[Event "American Continental 15th"]
[Site "Sao Paulo"]
[Date "2019.07.07"]
[Round "3"]
[White "Terao, Juliana Sayumi"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "2213"]
[BlackElo "2045"]
[PlyCount "63"]
[EventDate "2019.07.05"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. h3 a6 5. a4 Nc6 6. Nc3 e5 7. Be3 Nge7 8. Bc4 0-0 9. 0-0 exd4 10. Nxd4 Ne5 11. Ba2 N7c6 12. Nde2 Nb4 13. Bb3 Be6 14. Nd5 Nxd5 15. exd5 Bc8 16. Nd4 c5 17. dxc6 bxc6 18. f4 c5 19. fxe5 cxd4 20. Bxd4 dxe5 21. Bc5 Bf5 22. Bxf8 Qb6+ 23. Kh1 Rxf8 24. a5 Qb4 25. Qe2 e4 26. Qxa6 Qd2 27. Rad1 Qe3 28. Qd6 Re8 29. Qc7 Rf8 30. Rd8 Rxd8 31. Qxd8+ Bf8 32. Qc7 1-0

[Event "American Continental 15th"]
[Site "Sao Paulo"]
[Date "2019.07.06"]
[Round "2"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Arruda Filho, Ivo Pereira de"]
[Result "1-0"]
[ECO "A26"]
[WhiteElo "2045"]
[BlackElo "1744"]
[PlyCount "78"]
[EventDate "2019.07.05"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 d6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. Nc3 e5 7. d3 Nc6 8. Rb1 a5 9. a3 Bg4 10. b4 axb4 11. axb4 Qc8 12. Bg5 Re8 13. Qd2 Bh3 14. Bxh3 Qxh3 15. Bxf6 Bxf6 16. Nd5 Bg7 17. Nxc7 Bh6 18. Qc3 Rac8 19. Nxe8 Rxe8 20. Ra1 e4 21. dxe4 Bg7 22. e5 Nxe5 23. Nxe5 Bxe5 24. Qe3 Re6 25. Rad1 h5 26. f4 Bg7 27. Qf3 Qg4 28. Qd3 h4 29. Qf3 Qh3 30. f5 hxg3 31. Qxg3 Qxg3+ 32. hxg3 Re4 33. fxg6 fxg6 34. Rxd6 Rxc4 35. Rd8+ Kh7 36. Rd7 Kh6 37. Rxb7 Be5 38. Kg2 g5 39. Re1 Rc6 1-0

[Event "American Continental 15th"]
[Site "Sao Paulo"]
[Date "2019.07.05"]
[Round "1"]
[White "Hambleton, Aman"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2487"]
[BlackElo "2045"]
[PlyCount "45"]
[EventDate "2019.07.05"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Bd2 Bg7 6. e4 Nb6 7. Be3 0-0 8. h3 Na6 9. Nf3 c6 10. Bxa6 bxa6 11. 0-0 Nc4 12. Qe2 Nd6 13. Rfe1 Qa5 14. Rac1 Rb8 15. b3 Bb7 16. Na4 Nxe4 17. Bf4 Nd6 18. Qxe7 Nf5 19. Qc5 Qxc5 20. Nxc5 Nxd4 21. Nxd4 Bxd4 22. Bxb8 Rxb8 23. Re7 1-0

[Event "Florianopolis Region-ch sf"]
[Site "Florianopolis"]
[Date "2018.12.16"]
[Round "6"]
[White "Carstens Dobuchak, Thiago"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "1-0"]
[ECO "C04"]
[WhiteElo "2103"]
[BlackElo "2034"]
[PlyCount "89"]
[EventDate "2018.12.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Nb3 f6 7. Bb5 a6 8. Bxc6 bxc6 9. Na5 Bb4+ 10. Bd2 Bxa5 11. Bxa5 fxe5 12. dxe5 c5 13. Qe2 0-0 14. Bd2 Nb6 15. b3 a5 16. c4 a4 17. 0-0 h6 18. Rfd1 axb3 19. axb3 Rxa1 20. Rxa1 dxc4 21. bxc4 Bb7 22. Be3 Bxf3 23. gxf3 Rf5 24. f4 Qh4 25. f3 g5 26. Kh1 gxf4 27. Bxc5 Nd7 28. Bd4 Qh5 29. Ra8+ Kf7 30. Ra7 Nxe5 31. Rxc7+ Ke8 32. Bxe5 Rxe5 33. Qd1 Re1+ 34. Qxe1 Qxf3+ 35. Kg1 Qg4+ 36. Kf1 Qf3+ 37. Kg1 Qg4+ 38. Kf2 Qh4+ 39. Kf1 Qh3+ 40. Ke2 Qe3+ 41. Kd1 Qb3+ 42. Kc1 Qa3+ 43. Kc2 Qa2+ 44. Kd3 Qa3+ 45. Ke4 1-0

[Event "Florianopolis Region-ch sf"]
[Site "Florianopolis"]
[Date "2018.12.15"]
[Round "5"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Rangel, Daniel"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "2034"]
[BlackElo "2339"]
[PlyCount "42"]
[EventDate "2018.12.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c6 3. Nf3 d5 4. e3 e6 5. b3 Nbd7 6. Bb2 Bd6 7. g3 0-0 8. Bg2 e5 9. d4 dxc4 10. bxc4 exd4 11. Nxd4 Ne5 12. Qe2 Qb6 13. Rb1 Qc5 14. 0-0 Qxc4 15. Rfd1 Qxe2 16. Ncxe2 Nc4 17. Bc3 Be7 18. Nxc6 bxc6 19. Bxc6 Bf5 20. Bxf6 Bxf6 21. Rb4 Rad8 0-1

[Event "Florianopolis Region-ch sf"]
[Site "Florianopolis"]
[Date "2018.12.15"]
[Round "4"]
[White "Gauche, Charles"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "1-0"]
[ECO "C04"]
[WhiteElo "2205"]
[BlackElo "2034"]
[PlyCount "47"]
[EventDate "2018.12.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 Nc6 4. Ngf3 Nf6 5. e5 Nd7 6. Bb5 a6 7. Ba4 Be7 8. 0-0 0-0 9. c3 f6 10. exf6 Bxf6 11. Re1 b5 12. Bc2 e5 13. Bb3 Nb6 14. dxe5 Be7 15. h3 Bb7 16. Ne4 Na5 17. Neg5 Nxb3 18. axb3 Rf5 19. Ne6 Qc8 20. Nfd4 Rf7 21. b4 a5 22. Rxa5 Rxa5 23. bxa5 Nc4 24. b4 1-0

[Event "Florianopolis Region-ch sf"]
[Site "Florianopolis"]
[Date "2018.12.14"]
[Round "3"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Aranha Filho, Alvaro Zimmermann"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "2034"]
[BlackElo "2323"]
[PlyCount "42"]
[EventDate "2018.12.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. c4 c6 2. Nc3 d5 3. e3 Nf6 4. Nf3 Bg4 5. b3 e5 6. Qc2 Bd6 7. Be2 0-0 8. Bb2 Re8 9. Rc1 d4 10. Ne4 Nxe4 11. Qxe4 f5 12. Qb1 c5 13. h3 Bxf3 14. gxf3 Qf6 15. d3 Nc6 16. Kd2 Qh6 17. Rce1 Bc7 18. Bc1 Ba5+ 19. Kd1 Bxe1 20. Kxe1 dxe3 21. fxe3 Rad8 0-1

[Event "Florianopolis Region-ch sf"]
[Site "Florianopolis"]
[Date "2018.12.14"]
[Round "2"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Trois, Francisco R Torres"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "2034"]
[BlackElo "2171"]
[PlyCount "73"]
[EventDate "2018.12.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 Bg7 3. g3 e5 4. Bg2 d6 5. Rb1 a5 6. a3 c6 7. d3 f5 8. e3 Nf6 9. Nge2 Be6 10. 0-0 0-0 11. Qc2 Nbd7 12. b4 axb4 13. axb4 Qc7 14. Bb2 h6 15. Rfe1 Bf7 16. Ra1 g5 17. Rxa8 Rxa8 18. f4 Qb6 19. c5 Qxb4 20. cxd6 Bb3 21. Qb1 Qxd6 22. fxe5 Nxe5 23. Nd4 Be6 24. Nxe6 Qxe6 25. Ne2 Nd5 26. Nf4 gxf4 27. exf4 Qd6 28. Bxe5 Bxe5 29. fxe5 Qc5+ 30. Kh1 Qf2 31. Rf1 Qe2 32. Qxb7 Ra2 33. Bxd5+ cxd5 34. Qxd5+ Kg7 35. Qd7+ Kg8 36. Qe6+ Kh7 37. Qxf5+ 1-0

[Event "Florianopolis Region-ch sf"]
[Site "Florianopolis"]
[Date "2018.12.13"]
[Round "1"]
[White "Rodrigues, Edgar"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "2327"]
[BlackElo "2034"]
[PlyCount "74"]
[EventDate "2018.12.13"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 187 Extra"]
[Source "ChessBase"]
[SourceDate "2018.11.04"]
[SourceVersion "1"]
[SourceVersionDate "2018.11.04"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 Qb6 7. 0-0 Nge7 8. Na3 cxd4 9. cxd4 Nf5 10. Nc2 a5 11. g4 Nh6 12. Nfe1 a4 13. Bg5 Ng8 14. Rb1 Na5 15. Nd3 Bb5 16. f4 Nc6 17. f5 Nxd4 18. Nxd4 Qxd4+ 19. Nf2 Qb6 20. Be3 Bxe2 21. Qxe2 d4 22. Bg5 Be7 23. Bd2 h5 24. Nd3 Nh6 25. f6 gxf6 26. exf6 Bd6 27. g5 Ng4 28. Rbc1 Qb5 29. Qe4 Bxh2+ 30. Kg2 Bd6 31. Qxd4 Rd8 32. g6 Rg8 33. g7 Be5 34. Nxe5 Rxd4 35. Rc8+ Rd8 36. Rxd8+ Kxd8 37. Nxf7+ Kd7 0-1

[Event "Curitiba Fexpar op 1st"]
[Site "Curitiba"]
[Date "2018.11.04"]
[Round "6"]
[White "Oliveira, Fernando Ventura"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2044"]
[BlackElo "2016"]
[PlyCount "49"]
[EventDate "2018.11.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 c5 5. a3 Bxc3+ 6. bxc3 Ne7 7. h4 Qc7 8. Rh3 b6 9. Qg4 cxd4 10. cxd4 Qxc2 11. Ne2 Ba6 12. Rc3 Bxe2 13. Rxc2 Bxg4 14. Bb5+ Kd8 15. Bg5 a6 16. Rac1 Nd7 17. Bxd7 Kxd7 18. Rc7+ Ke8 19. Rxe7+ Kf8 20. Rcc7 Bh5 21. g4 Bxg4 22. Rxf7+ Kg8 23. Rxg7+ Kf8 24. Bh6 Ke8 25. Rxg4 1-0

[Event "Curitiba Fexpar op 1st"]
[Site "Curitiba"]
[Date "2018.11.03"]
[Round "5"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Mafra, Kaiser Luiz"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "2016"]
[BlackElo "2106"]
[PlyCount "117"]
[EventDate "2018.11.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 c5 2. g3 Nc6 3. Bg2 g6 4. Nc3 Bg7 5. Nf3 e5 6. 0-0 Nge7 7. Ne1 0-0 8. Nc2 d6 9. Ne3 Be6 10. Ned5 Qd7 11. d3 Bh3 12. e4 Nxd5 13. Nxd5 h5 14. Be3 Nd4 15. Bxd4 exd4 16. Bxh3 Qxh3 17. Rb1 Qd7 18. b4 f5 19. exf5 Rxf5 20. f4 Raf8 21. Qf3 b6 22. Rbe1 R8f7 23. Qe4 Bf8 24. b5 Kg7 25. h3 g5 26. g4 hxg4 27. hxg4 Rxd5 28. Qxd5 Qxg4+ 29. Qg2 Rxf4 30. Rxf4 Qxf4 31. Re4 Qf6 32. Qg4 Be7 33. Qe6 Qxe6 34. Rxe6 Kf7 35. Re4 Bf6 36. Kg2 Be5 37. Kf3 Ke6 38. Kg4 d5 39. cxd5+ Kxd5 40. Kf5 Bd6 41. Re6 g4 42. Rg6 g3 43. Rg5 Be5 44. a4 Bh8 45. Kf4+ Ke6 46. Kxg3 Bf6 47. Rh5 Be5+ 48. Kf3 Kd5 49. Ke2 Ke6 50. Rh7 Kd5 51. Rd7+ Bd6 52. Kf3 Ke5 53. Rxa7 c4 54. dxc4 Bb4 55. Rd7 Bd6 56. Rd8 Ke6 57. Ke4 Ke7 58. Rxd6 Kxd6 59. Kxd4 1-0

[Event "Curitiba Fexpar op 1st"]
[Site "Curitiba"]
[Date "2018.11.03"]
[Round "3"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Osipi, Jair"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2016"]
[BlackElo "2144"]
[PlyCount "131"]
[EventDate "2018.11.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e6 6. a3 Nge7 7. Rb1 a5 8. 0-0 0-0 9. d3 d6 10. Bg5 h6 11. Bd2 Kh7 12. Nb5 e5 13. b4 axb4 14. axb4 Be6 15. bxc5 dxc5 16. Bc3 Qd7 17. Qb3 Rab8 18. Qb2 f6 19. Rfd1 Bg4 20. Qa1 Ra8 21. Qb2 Rfb8 22. Ra1 Ra6 23. Na3 Bf8 24. Nc2 Rxa1 25. Rxa1 Nf5 26. Ne3 Nxe3 27. fxe3 h5 28. Nh4 Bh6 29. Kf2 Be6 30. Qb5 Bf8 31. Rb1 Bd6 32. Qa4 Qc8 33. Be4 Bf7 34. Rb6 Be8 35. Qc2 Bc7 36. Rb1 Ne7 37. Kg1 Bd8 38. Rf1 Qe6 39. Qb2 Bc7 40. Qc1 b5 41. cxb5 Bxb5 42. Qe1 c4 43. Bb4 Bd6 44. Bxd6 Qxd6 45. dxc4 Bxc4 46. Qd1 Qe6 47. Qc2 Rg8 48. Rc1 Bd5 49. Qd3 Rg7 50. Rc7 Bxe4 51. Qxe4 Qd6 52. Qb7 Nf5 53. Rxg7+ Nxg7 54. Qf7 Qd1+ 55. Kf2 Qc2 56. Qxf6 Qe4 57. Nf3 Qf5 58. Qxf5 gxf5 59. Nxe5 Ne6 60. Kf3 Kg7 61. Nd3 Kf6 62. h4 Ng7 63. e4 fxe4+ 64. Kxe4 Nf5 65. Kf4 Nd4 66. e4 1-0

[Event "Curitiba Fexpar op 1st"]
[Site "Curitiba"]
[Date "2018.11.03"]
[Round "4"]
[White "Dias, Anderson Tatsch"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "1-0"]
[ECO "A90"]
[WhiteElo "2173"]
[BlackElo "2016"]
[PlyCount "75"]
[EventDate "2018.11.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 d5 3. g3 f5 4. Bg2 Nf6 5. 0-0 Bd6 6. c4 0-0 7. b3 b6 8. cxd5 exd5 9. Qc2 Qe7 10. Bf4 Bxf4 11. gxf4 Ne4 12. Rc1 c6 13. Nbd2 Bb7 14. e3 Nd7 15. Ne5 Rac8 16. Nxd7 Qxd7 17. Nf3 Rf6 18. a4 c5 19. Qe2 cxd4 20. Nxd4 Rg6 21. Qb5 Bc6 22. Qf1 Nc5 23. Qd1 Ne6 24. Rc3 Nxd4 25. Qxd4 Re8 26. Kf1 Ree6 27. Rac1 h6 28. Rxc6 Rxc6 29. Qxd5+ Qxd5 30. Bxd5+ Rce6 31. Rc6 Kf7 32. Rxe6 Rxe6 33. Ke2 Ke7 34. Bxe6 Kxe6 35. f3 g5 36. fxg5 hxg5 37. h3 Ke5 38. Kd3 1-0

[Event "Curitiba Fexpar op 1st"]
[Site "Curitiba"]
[Date "2018.11.02"]
[Round "1"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Sarda, Pedro Sada"]
[Result "1-0"]
[ECO "A33"]
[WhiteElo "2016"]
[BlackElo "1493"]
[PlyCount "77"]
[EventDate "2018.11.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. g3 Nc6 4. Bg2 e6 5. Nf3 Be7 6. 0-0 0-0 7. d4 cxd4 8. Nxd4 a6 9. Bf4 Qb6 10. Nb3 e5 11. Bg5 h6 12. Bxf6 Bxf6 13. Qd6 Be7 14. Nd5 Qxf2+ 15. Kxf2 Bxd6 16. Rfd1 Bb8 17. c5 Ba7 18. Ne3 Bb8 19. Nc4 Bc7 20. Rac1 Rb8 21. Nd6 Bxd6 22. Rxd6 Ne7 23. Rcd1 Rd8 24. Rb6 Kf8 25. Na5 Ke8 26. Bxb7 Bxb7 27. Nxb7 Rdc8 28. Nd6+ Kd8 29. Nxc8 Rxc8 30. Rb7 Rc7 31. Rxc7 Kxc7 32. b4 Kc6 33. Rd6+ Kc7 34. Rxa6 Nd5 35. a3 e4 36. Rd6 Ne7 37. g4 f5 38. b5 Nc8 39. b6+ 1-0

[Event "Curitiba Fexpar op 1st"]
[Site "Curitiba"]
[Date "2018.11.02"]
[Round "2"]
[White "Melo, Sergio Roberto Samp"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "0-1"]
[ECO "A10"]
[WhiteElo "1749"]
[BlackElo "2016"]
[PlyCount "52"]
[EventDate "2018.11.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. Nf3 e6 2. b3 f5 3. Bb2 Nf6 4. c4 Be7 5. Nc3 0-0 6. d3 d5 7. cxd5 exd5 8. e3 f4 9. e4 Bb4 10. Nd2 Re8 11. Qc2 Nc6 12. 0-0-0 Nd4 13. Qb1 c5 14. Ne2 Ng4 15. a3 Ba5 16. Nxd4 Nxf2 17. Be2 cxd4 18. Bxd4 Nxh1 19. Qb2 Be6 20. b4 Bb6 21. Rxh1 Bxd4 22. Qxd4 Qc7+ 23. Kb1 Rac8 24. Qb2 Qb6 25. d4 dxe4 26. Nxe4 Bf5 0-1

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2018.06.02"]
[Round "5"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Raimundo, Airton Carlos Nunes"]
[Result "0-1"]
[ECO "A27"]
[WhiteElo "1993"]
[BlackElo "1982"]
[PlyCount "82"]
[EventDate "2018.05.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nd5 Bg7 6. Bg5 Nce7 7. Nxd4 c6 8. Nc3 h6 9. Bf4 d5 10. e3 Nf6 11. Be2 dxc4 12. Bxc4 Nh5 13. Bg3 Nxg3 14. hxg3 0-0 15. Nde2 b5 16. Qxd8 Rxd8 17. Bb3 a6 18. Rd1 Rxd1+ 19. Kxd1 c5 20. Nd5 Ra7 21. Nxe7+ Rxe7 22. Kc1 Bb7 23. Rd1 c4 24. Bc2 Bxg2 25. Rd6 Bb7 26. Nf4 Be5 27. Rd8+ Kg7 28. Nd5 Re6 29. f4 Rd6 30. Rxd6 Bxd6 31. Nc3 Bb4 32. Kd2 f5 33. Bd1 Kf6 34. Be2 Ke6 35. a4 Kd6 36. Kc2 Kc5 37. axb5 axb5 38. Nd1 Be4+ 39. Kc1 Be1 40. g4 b4 41. gxf5 gxf5 0-1

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2018.06.02"]
[Round "6"]
[White "Fier, Luciano dos Santos"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "0-1"]
[ECO "A81"]
[WhiteElo "1906"]
[BlackElo "1993"]
[PlyCount "58"]
[EventDate "2018.05.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 e6 2. g3 f5 3. Bg2 Nf6 4. Nd2 d5 5. Ngf3 Bd6 6. 0-0 0-0 7. b3 Ne4 8. Bb2 b6 9. c4 Bb7 10. Ne5 Nd7 11. Nd3 Qe7 12. Nf3 Rfd8 13. e3 a5 14. a4 Rac8 15. Rc1 c5 16. Re1 cxd4 17. exd4 Bb4 18. Re2 Rc7 19. Nfe5 Nxe5 20. Nxe5 Bd6 21. f3 Bxe5 22. dxe5 dxc4 23. Qe1 Nc5 24. Ba3 cxb3 25. Qf2 Qd7 26. Bxc5 bxc5 27. Rxc5 Rxc5 28. Qxc5 Qd4+ 29. Qxd4 Rxd4 0-1

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2018.06.01"]
[Round "4"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Fonseca, Luis Ernesto Serra"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "1993"]
[BlackElo "1978"]
[PlyCount "92"]
[EventDate "2018.05.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. a3 d6 6. Nf3 e5 7. 0-0 Nge7 8. Ne1 0-0 9. Nc2 a6 10. b4 Rb8 11. bxc5 dxc5 12. Rb1 Qa5 13. d3 b5 14. Bd2 bxc4 15. Rxb8 Nxb8 16. Nd5 Qd8 17. dxc4 Nbc6 18. Nce3 f5 19. Nxe7+ Nxe7 20. Nd5 Nxd5 21. Bxd5+ Kh8 22. Qb3 Qd6 23. Rd1 Bd7 24. Bc3 Rb8 25. Qa2 Qb6 26. Qa1 Qc7 27. f4 Ba4 28. Rb1 Rxb1+ 29. Qxb1 exf4 30. Qb2 h5 31. gxf4 Kh7 32. Be5 Bxe5 33. fxe5 Bc6 34. Qd2 Qd8 35. e6 Be8 36. Qe3 Qd6 37. Qg5 Kg7 38. Qe3 Kh7 39. Qc3 Qf4 40. Qf6 Qe3+ 41. Kf1 Qf4+ 42. Bf3 Bc6 43. Qf7+ Kh6 44. Qf8+ Kh7 45. Qe7+ Kh6 46. Qf8+ Kh7 1/2-1/2

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2018.06.01"]
[Round "3"]
[White "Grillo, Carlos Henrique Gom"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "0-1"]
[ECO "A80"]
[WhiteElo "1930"]
[BlackElo "1993"]
[PlyCount "58"]
[EventDate "2018.05.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 f5 3. Bf4 Nf6 4. h3 d5 5. e3 Bd6 6. Bxd6 cxd6 7. c4 0-0 8. Nc3 dxc4 9. Bxc4 Kh8 10. 0-0 Qe7 11. Rc1 d5 12. Bd3 Nc6 13. a3 Rg8 14. Ne5 g5 15. Nxc6 bxc6 16. g3 Bd7 17. Na4 Raf8 18. Nc5 Be8 19. Be2 Rg6 20. Nd3 Rh6 21. Kg2 Ne4 22. Ne5 Qf6 23. Qe1 f4 24. Bg4 Bh5 25. Qe2 Bxg4 26. hxg4 Nd2 27. Qxd2 f3+ 28. Kg1 Rh3 29. Rcd1 Qh6 0-1

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2018.05.31"]
[Round "2"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Rodrigues, Julliano de Araujo"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "1993"]
[BlackElo "1905"]
[PlyCount "61"]
[EventDate "2018.05.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 c5 3. g3 Bg7 4. Bg2 Nc6 5. a3 e6 6. b4 cxb4 7. axb4 Nxb4 8. Ba3 Nc6 9. Nb5 Be5 10. Nf3 a6 11. Nxe5 axb5 12. Nxc6 dxc6 13. cxb5 Bd7 14. bxc6 Bxc6 15. Bxc6+ bxc6 16. Qc2 Ne7 17. Qc5 Ra5 18. Qc3 0-0 19. 0-0 Ra8 20. e4 Rc8 21. Qf6 Nd5 22. Qxd8 Rfxd8 23. exd5 cxd5 24. d4 Rc4 25. Be7 Rdc8 26. Bf6 h6 27. Ra7 g5 28. Rb1 Rc1+ 29. Rxc1 Rxc1+ 30. Kg2 Kh7 31. Rxf7+ 1-0

[Event "Brazil Foz do Iguacu op"]
[Site "Foz do Iguacu"]
[Date "2018.05.20"]
[Round "9"]
[White "Silva, Janderson Rossi Da"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "1/2-1/2"]
[ECO "C16"]
[WhiteElo "1832"]
[BlackElo "1993"]
[PlyCount "11"]
[EventDate "2018.05.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 1/2-1/2

[Event "Brazil Foz do Iguacu op"]
[Site "Foz do Iguacu"]
[Date "2018.05.19"]
[Round "7"]
[White "Coelho, Tatiane Cristina"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "0-1"]
[ECO "C16"]
[WhiteElo "1741"]
[BlackElo "1993"]
[PlyCount "66"]
[EventDate "2018.05.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. Nc3 Bb4 4. e5 Ne7 5. d4 b6 6. Bd2 Bxc3 7. Bxc3 Ba6 8. Bd3 c5 9. 0-0 Bxd3 10. Qxd3 Nbc6 11. Rfe1 0-0 12. Bd2 h6 13. Rac1 Nf5 14. dxc5 bxc5 15. c4 d4 16. g4 Nh4 17. Qe4 Rc8 18. Kh1 Nxf3 19. Qxf3 Qc7 20. Qe4 Qb7 21. b3 Nd8 22. g5 h5 23. g6 fxg6 24. f4 Qxe4+ 25. Rxe4 Nc6 26. Rg1 Kh7 27. Be1 Rf5 28. Bh4 Nb4 29. Rg2 Nd3 30. Bg5 Rcf8 31. b4 Nxb4 32. Be7 Rc8 33. Kg1 Nd3 0-1

[Event "Brazil Foz do Iguacu op"]
[Site "Foz do Iguacu"]
[Date "2018.05.19"]
[Round "8"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Cruz, William Ferreira Da"]
[Result "0-1"]
[ECO "A26"]
[WhiteElo "1993"]
[BlackElo "2274"]
[PlyCount "64"]
[EventDate "2018.05.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 d6 5. Nf3 0-0 6. 0-0 e5 7. d3 Nc6 8. Rb1 a5 9. a3 h6 10. b4 axb4 11. axb4 Be6 12. e3 Qd7 13. Re1 Bh3 14. Bh1 Ng4 15. Qb3 Kh8 16. Nd5 f5 17. b5 Nd8 18. d4 g5 19. dxe5 dxe5 20. Bb2 Ne6 21. Rbd1 Qf7 22. Bg2 Qh5 23. Bh1 f4 24. exf4 gxf4 25. gxf4 Nxf4 26. Nxf4 Rxf4 27. Rd7 Rg8 28. Qd3 Nf6 29. Nxe5 Nxd7 30. Ng6+ Qxg6+ 31. Qxg6 Bxb2 32. Re8 Rg4+ 0-1

[Event "Brazil Foz do Iguacu op"]
[Site "Foz do Iguacu"]
[Date "2018.05.18"]
[Round "6"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Jodorcovsky Werjivker, Paulo"]
[Result "0-1"]
[ECO "A17"]
[WhiteElo "1993"]
[BlackElo "2263"]
[PlyCount "36"]
[EventDate "2018.05.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 d5 3. e3 Nf6 4. Nf3 b6 5. b3 Bb7 6. Bb2 Nbd7 7. Qc2 a6 8. Be2 Bd6 9. g4 dxc4 10. bxc4 Ne5 11. e4 c5 12. g5 Nxf3+ 13. Bxf3 Nd7 14. h4 Ne5 15. Be2 Nc6 16. Rf1 Nd4 17. Qd3 Bf4 18. Nd1 Nf3+ 0-1

[Event "Brazil Foz do Iguacu op"]
[Site "Foz do Iguacu"]
[Date "2018.05.18"]
[Round "5"]
[White "Durante, Taina Seidel"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "1681"]
[BlackElo "1993"]
[PlyCount "94"]
[EventDate "2018.05.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 e6 2. Nc3 d5 3. Nf3 c5 4. exd5 exd5 5. Bb5+ Nc6 6. d4 Nf6 7. Bg5 Be7 8. Ne5 Qd6 9. 0-0 cxd4 10. Qxd4 0-0 11. Nxc6 bxc6 12. Bd3 Ng4 13. Bf4 Qf6 14. Ne2 Bd7 15. h3 Qxd4 16. Nxd4 Bf6 17. Nf3 Nh6 18. Bxh6 gxh6 19. Rab1 Rab8 20. b3 c5 21. Rfe1 Rbe8 22. Rxe8 Rxe8 23. Re1 Rxe1+ 24. Nxe1 a5 25. Kf1 a4 26. Nf3 a3 27. Nd2 Be6 28. c4 Bc3 29. Ke2 Kg7 30. Kd1 Bxd2 31. Kxd2 d4 32. Kc2 Bd7 33. Kd2 f5 34. Ke2 Kf6 35. f3 Kg5 36. Kf2 h5 37. g3 h4 38. g4 fxg4 39. fxg4 h6 40. Kf3 h5 41. gxh5 Bxh3 42. Bg6 Bg4+ 43. Kg2 Bd1 44. b4 cxb4 45. c5 b3 46. c6 bxa2 47. c7 Bg4 0-1

[Event "Brazil Foz do Iguacu op"]
[Site "Foz do Iguacu"]
[Date "2018.05.17"]
[Round "4"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Lahoz, Cassiano Ricardo Ne"]
[Result "1-0"]
[ECO "A27"]
[WhiteElo "1993"]
[BlackElo "1714"]
[PlyCount "41"]
[EventDate "2018.05.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 g6 4. d4 exd4 5. Nd5 Bg7 6. Bg5 f6 7. Bf4 d6 8. Nxd4 Nge7 9. Nb5 Nxd5 10. cxd5 Ne7 11. Rc1 0-0 12. Nxc7 Rb8 13. e3 g5 14. Bg3 Nf5 15. Bd3 a6 16. Qc2 Nxg3 17. Bxh7+ Kf7 18. Bg6+ Ke7 19. hxg3 f5 20. Rh7 Kf6 21. Qc3+ 1-0

[Event "Brazil Foz do Iguacu op"]
[Site "Foz do Iguacu"]
[Date "2018.05.17"]
[Round "3"]
[White "Ermel, Francisco Roberto"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "1-0"]
[ECO "A04"]
[BlackElo "1993"]
[PlyCount "123"]
[EventDate "2018.05.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. Nf3 e6 2. g3 f5 3. Bg2 Nf6 4. 0-0 d5 5. d3 c6 6. b3 Bc5 7. Bb2 0-0 8. Nbd2 Nbd7 9. c4 Qe7 10. e3 Ng4 11. Qe2 Ndf6 12. h3 Nh6 13. Ne5 Nd7 14. f4 Nf7 15. Nxf7 Qxf7 16. Kh2 b6 17. e4 Bb7 18. Nf3 Qh5 19. Rfe1 Rfe8 20. Ne5 Qxe2 21. Rxe2 Nxe5 22. Bxe5 Rad8 23. a3 fxe4 24. dxe4 dxc4 25. bxc4 Bd4 26. Bxd4 Rxd4 27. c5 bxc5 28. Rc2 c4 29. e5 Red8 30. Kg1 Ba6 31. Bxc6 Rd3 32. Kf2 Rd2+ 33. Rxd2 Rxd2+ 34. Ke3 Rd3+ 35. Kf2 Kf7 36. Be4 Rb3 37. a4 c3 38. Rd1 Rb2+ 39. Ke3 Re2+ 40. Kf3 Rb2 41. Rd7+ Kf8 42. Rxa7 Be2+ 43. Ke3 Bd1 44. Rc7 Bxa4 45. Rxc3 g6 46. Kd4 Rb8 47. Rc7 Kg8 48. Bd3 Rd8+ 49. Kc3 Be8 50. Bc4 Bf7 51. g4 Rd1 52. f5 gxf5 53. gxf5 Rc1+ 54. Kd4 Rxc4+ 55. Rxc4 exf5 56. Rc7 h6 57. Kc5 f4 58. Kd6 f3 59. e6 Bh5 60. Rc2 Kg7 61. Rf2 Kf6 62. e7 1-0

[Event "Brazil Foz do Iguacu op"]
[Site "Foz do Iguacu"]
[Date "2018.05.16"]
[Round "2"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Terao, Juliana Sayumi"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "1993"]
[BlackElo "2255"]
[PlyCount "56"]
[EventDate "2018.05.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e6 6. 0-0 Nge7 7. a3 0-0 8. Rb1 d6 9. d3 Rb8 10. Bd2 b6 11. b4 Bb7 12. Qc1 Nf5 13. e4 Nfd4 14. Ne1 Re8 15. Be3 Ne7 16. Bg5 Qd7 17. Nc2 Rec8 18. b5 h6 19. Be3 d5 20. exd5 exd5 21. Bf4 Ra8 22. Nxd4 cxd4 23. Na2 dxc4 24. Bxb7 Qxb7 25. dxc4 Nf5 26. Nb4 Qf3 27. Nd5 Rc5 28. Qc2 Qxd5 0-1

[Event "Brazil Foz do Iguacu op"]
[Site "Foz do Iguacu"]
[Date "2018.05.16"]
[Round "1"]
[White "Rios Acosta, Facundo"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "0-1"]
[ECO "C01"]
[BlackElo "1993"]
[PlyCount "101"]
[EventDate "2018.05.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 184 Extra"]
[Source "ChessBase"]
[SourceDate "2018.06.28"]
[SourceVersion "1"]
[SourceVersionDate "2018.06.28"]
[SourceQuality "1"]

1. e4 e6 2. Nc3 d5 3. exd5 exd5 4. d4 Be6 5. Nf3 Bd6 6. Bb5+ c6 7. Ba4 Ne7 8. 0-0 Nd7 9. Bg5 f6 10. Bh4 Qc7 11. Ne2 Bg4 12. Qd3 0-0-0 13. Bg3 Rde8 14. Bxd6 Qxd6 15. h3 Bh5 16. Ng3 Bg6 17. Qb3 a6 18. c4 dxc4 19. Qxc4 b5 20. Qe2 Nd5 21. Qd2 bxa4 22. Nh4 Qb4 23. Qxb4 Nxb4 24. Rfc1 Kb7 25. a3 Nd5 26. Ngf5 Bxf5 27. Nxf5 Re2 28. Nd6+ Kc7 29. Nc4 Rhe8 30. Na5 Nb8 31. Nc4 Nf4 32. Ne3 R2xe3 33. fxe3 Ne2+ 34. Kh2 Nxc1 35. Rxc1 Rxe3 36. d5 Re2 37. Rc4 Rxb2 38. dxc6 Nxc6 39. Rxa4 a5 40. Rg4 g6 41. h4 Ne5 42. Rf4 Rb3 43. a4 Rb4 44. Rxf6 Ng4+ 45. Kg3 Nxf6 46. Kf2 Kd6 47. Ke3 Ke5 48. Kd3 Rb3+ 49. Kc2 Rg3 50. Kb2 Kd4 51. Kc2 0-1

[Event "Sao Paulo op-B U2050 7th"]
[Site "Sao Paulo"]
[Date "2018.04.01"]
[Round "6"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Miquelin, Nicolas Seoane"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "1941"]
[BlackElo "1992"]
[PlyCount "53"]
[EventDate "2018.03.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. a3 a5 6. Nf3 e5 7. 0-0 Nge7 8. d3 0-0 9. Ne1 d6 10. Nc2 Be6 11. Rb1 d5 12. cxd5 Nxd5 13. Ne3 Nc7 14. Bd2 Rb8 15. Ne4 b6 16. b4 axb4 17. axb4 cxb4 18. Bxb4 Nxb4 19. Rxb4 Nd5 20. Nxd5 Bxd5 21. Nd2 b5 22. Bxd5 Qxd5 23. Qb3 Qxb3 24. Rxb3 Rfc8 25. Rfb1 Rc2 26. Nc4 f5 27. Nd6 1/2-1/2

[Event "Sao Paulo op-B U2050 7th"]
[Site "Sao Paulo"]
[Date "2018.04.01"]
[Round "5"]
[White "Pereira da Silva, Gabriel Robert"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1648"]
[BlackElo "1941"]
[PlyCount "68"]
[EventDate "2018.03.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nf6 5. Ne2 c5 6. c3 Be7 7. 0-0 0-0 8. h3 Nc6 9. Nd2 cxd4 10. cxd4 b6 11. Nf3 Nb4 12. Bb1 Ba6 13. Ne5 Rc8 14. Re1 Ne4 15. a3 Nc6 16. Nf4 Nxd4 17. Nxd5 Ne2+ 18. Rxe2 Bxe2 19. Qd4 Rxc1+ 20. Kh2 Rxb1 21. Rxb1 Nf6 22. Nc6 Qd6+ 23. Kg1 Nxd5 24. Qxd5 Re8 25. Nxe7+ Qxe7 26. Re1 h6 27. Qd2 Qe5 28. a4 Re6 29. g4 Qe4 30. Qd8+ Kh7 31. Qd7 Qf3 32. Qxa7 Qxh3 33. Qxf7 Qxg4+ 34. Kh2 Rg6 0-1

[Event "Sao Paulo op-B U2050 7th"]
[Site "Sao Paulo"]
[Date "2018.03.31"]
[Round "4"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Raimundo, Airton Carlos Nunes"]
[Result "1/2-1/2"]
[ECO "A37"]
[WhiteElo "1941"]
[BlackElo "1971"]
[PlyCount "88"]
[EventDate "2018.03.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 c5 3. Nf3 Nc6 4. g3 g6 5. a3 Bg7 6. Rb1 Nge7 7. Bg2 0-0 8. 0-0 f5 9. d3 h6 10. Ne1 f4 11. b4 d6 12. Ne4 cxb4 13. axb4 Be6 14. c5 d5 15. Nd6 Qd7 16. Nf3 fxg3 17. hxg3 b6 18. b5 bxc5 19. Nc4 Nb4 20. Ncxe5 Qxb5 21. d4 c4 22. Ba3 a5 23. Qd2 Rab8 24. Rb2 Rfc8 25. Qc3 Bf5 26. Nh4 Bxe5 27. dxe5 Be6 28. Rfb1 Qc5 29. e3 g5 30. Nf3 Bf5 31. Rd1 Be4 32. e6 Rf8 33. Ne5 Bxg2 34. Kxg2 Qd6 35. Nd7 Qxe6 36. Nxf8 Rxf8 37. Bxb4 Qe4+ 38. Kg1 axb4 39. Qxb4 Qf3 40. Rbd2 Nf5 41. Qc5 d4 42. Qxc4+ Rf7 43. Qe2 Qxe2 44. Rxe2 dxe3 1/2-1/2

[Event "Sao Paulo op-B U2050 7th"]
[Site "Sao Paulo"]
[Date "2018.03.31"]
[Round "3"]
[White "Jukemura, Rodrigo"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "0-1"]
[ECO "A85"]
[WhiteElo "2048"]
[BlackElo "1941"]
[PlyCount "70"]
[EventDate "2018.03.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. Nf3 Nf6 4. Nc3 Bb4 5. g3 d5 6. Bg2 0-0 7. 0-0 c6 8. Qb3 Bd6 9. Bg5 Nbd7 10. e3 h6 11. Bxf6 Qxf6 12. Nd2 g5 13. Ne2 g4 14. cxd5 cxd5 15. h4 Nb6 16. a4 Rb8 17. Nc3 Bd7 18. Nb5 Bxb5 19. Qxb5 Qe7 20. Rfc1 Rfc8 21. a5 Qd7 22. Bf1 Qxb5 23. Bxb5 Na8 24. Rxc8+ Rxc8 25. Bd7 Rc2 26. Bxe6+ Kg7 27. Nb3 Rxb2 28. Nc5 Kf6 29. Bxd5 Nc7 30. Nxb7 Bxg3 31. fxg3 Nxd5 32. e4 fxe4 33. Rf1+ Ke7 34. Rf5 Nc3 35. Nc5 Ne2+ 0-1

[Event "Sao Paulo op-B U2050 7th"]
[Site "Sao Paulo"]
[Date "2018.03.30"]
[Round "1"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Passos Coutinho, Eduardo"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "1941"]
[BlackElo "1678"]
[PlyCount "91"]
[EventDate "2018.03.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. g3 Nc6 4. Bg2 g6 5. a3 Bg7 6. Rb1 0-0 7. b4 cxb4 8. axb4 Rb8 9. e3 b6 10. Nge2 Bb7 11. d3 e6 12. e4 d6 13. 0-0 Nd7 14. Nb5 Qe7 15. Bb2 a6 16. Bxg7 Kxg7 17. Nbc3 Qf6 18. b5 Nd4 19. bxa6 Bxa6 20. Nxd4 Qxd4 21. Ne2 Qf6 22. Qa4 Nc5 23. Qa3 e5 24. Nc3 Qd8 25. Na4 Nxa4 26. Qxa4 Qc8 27. Rb4 Qc5 28. Rfb1 Bc8 29. Qb3 Be6 30. Rxb6 Rxb6 31. Qxb6 Qxb6 32. Rxb6 Rd8 33. f4 Kf6 34. Kf2 h5 35. Ke3 Rd7 36. fxe5+ dxe5 37. Bh3 Ra7 38. Bxe6 fxe6 39. c5 Rc7 40. d4 exd4+ 41. Kxd4 Ke7 42. c6 Kf6 43. h4 e5+ 44. Kd5 g5 45. Kd6 Rg7 46. c7 1-0

[Event "Sao Paulo op-B U2050 7th"]
[Site "Sao Paulo"]
[Date "2018.03.30"]
[Round "2"]
[White "Nobre, Jailson Altair Barb"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "1719"]
[BlackElo "1941"]
[PlyCount "58"]
[EventDate "2018.03.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. Ngf3 g6 5. g3 Bg7 6. Bg2 Ne7 7. 0-0 Nbc6 8. c3 b6 9. Re1 a5 10. e5 Qc7 11. Nf1 Nxe5 12. Nxe5 Bxe5 13. Ne3 h5 14. Nc4 dxc4 15. Bxa8 h4 16. Rxe5 Qxe5 17. Bf4 Qf6 18. d4 hxg3 19. hxg3 cxd4 20. cxd4 Qf5 21. Qa4+ Bd7 22. Qxc4 0-0 23. Bg2 Rc8 24. Qb3 Nd5 25. Bxd5 exd5 26. Qxb6 Qe4 27. Kh2 Qf3 28. Be3 Kg7 29. Qd6 Rh8+ 0-1

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2018.??.??"]
[Round "1"]
[White "Cirino, Alex Rodrigues"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "0-1"]
[ECO "A90"]
[WhiteElo "1854"]
[BlackElo "1993"]
[PlyCount "46"]
[EventDate "2018.05.31"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. c4 f5 2. Nc3 Nf6 3. Nf3 e6 4. d4 d5 5. g3 c6 6. Bg2 Bd6 7. c5 Bc7 8. 0-0 0-0 9. b4 Nbd7 10. Bf4 Ne4 11. Qd3 Bxf4 12. gxf4 Rf6 13. Ne5 Nxe5 14. dxe5 Rh6 15. f3 Nxc3 16. Qxc3 Qh4 17. e3 Qxh2+ 18. Kf2 Qh4+ 19. Ke2 Qg3 20. Rf2 b6 21. Rh1 Ba6+ 22. Ke1 Rxh1+ 23. Bxh1 Qg1+ 0-1

[Event "Cuiaba Contaud op"]
[Site "Cuiaba"]
[Date "2017.07.30"]
[Round "5"]
[White "Campelo, Leandro Fabricio"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "1-0"]
[ECO "C18"]
[WhiteElo "2205"]
[BlackElo "1953"]
[PlyCount "49"]
[EventDate "2017.07.28"]
[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 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. Qg4 Qc7 8. Bd3 cxd4 9. Ne2 dxc3 10. Qxg7 Rg8 11. Qxh7 Nbc6 12. Bf4 Bd7 13. 0-0 d4 14. Bg3 0-0-0 15. Be4 Rdf8 16. Rab1 Qa5 17. Rfd1 Qc5 18. a4 a6 19. Rd3 Nf5 20. Bxf5 exf5 21. Rbd1 Rg4 22. h3 Re4 23. Nxc3 dxc3 24. Rxd7 Nxe5 25. R7d5 1-0

[Event "Cuiaba Contaud op"]
[Site "Cuiaba"]
[Date "2017.07.29"]
[Round "3"]
[White "Almeida, Higor Carlos De"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "0-1"]
[ECO "A84"]
[WhiteElo "1793"]
[BlackElo "1953"]
[PlyCount "50"]
[EventDate "2017.07.28"]
[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 e6 2. Nf3 d5 3. c4 c6 4. Nc3 f5 5. Bf4 Nf6 6. c5 Be7 7. e3 0-0 8. Be2 Ne4 9. Qc2 a5 10. Bxb8 Rxb8 11. Na4 f4 12. exf4 Rxf4 13. Bd3 e5 14. dxe5 Bg4 15. 0-0-0 Qf8 16. Rdf1 Bxf3 17. gxf3 Rxf3 18. Bxe4 Qf4+ 19. Kd1 dxe4 20. Nc3 Rd8+ 21. Ke1 e3 22. Ne2 Qb4+ 23. Nc3 exf2+ 24. Ke2 Qg4 25. Qe4 Rf4+ 0-1

[Event "Cuiaba Contaud op"]
[Site "Cuiaba"]
[Date "2017.07.29"]
[Round "4"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Miguel, Gabriel Carvalho Mo"]
[Result "1/2-1/2"]
[ECO "A23"]
[WhiteElo "1953"]
[BlackElo "2221"]
[PlyCount "68"]
[EventDate "2017.07.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. g3 e6 4. Bg2 d5 5. cxd5 exd5 6. d4 cxd4 7. Qxd4 Nc6 8. Qa4 d4 9. Nb1 Bb4+ 10. Bd2 Bxd2+ 11. Nxd2 0-0 12. Rd1 Qb6 13. Qb3 Qa5 14. Ngf3 Be6 15. Qa3 Qxa3 16. bxa3 Bxa2 17. 0-0 Rfe8 18. Ra1 Bd5 19. Rab1 Rxe2 20. Nb3 Ra2 21. Nbxd4 Rxa3 22. Nb5 Ra5 23. Nc7 Rb8 24. Nxd5 Nxd5 25. Rfc1 Nde7 26. Nd2 Ra6 27. Ne4 b6 28. Nd6 b5 29. Rxb5 Rxb5 30. Nxb5 Rb6 31. Bxc6 Rxc6 32. Rd1 g5 33. Nxa7 Rc5 34. Rb1 Kg7 1/2-1/2

[Event "Cuiaba Contaud op"]
[Site "Cuiaba"]
[Date "2017.07.28"]
[Round "1"]
[White "Bachmann, Axel"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "1-0"]
[ECO "A14"]
[WhiteElo "2662"]
[BlackElo "1953"]
[PlyCount "41"]
[EventDate "2017.07.28"]
[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 e6 2. b3 d5 3. Bb2 Nf6 4. g3 Be7 5. Bg2 0-0 6. c4 b6 7. 0-0 Bb7 8. e3 Nbd7 9. Qe2 Ne4 10. d3 Nd6 11. Nc3 Bf6 12. Rfd1 Qe7 13. cxd5 exd5 14. d4 Rfe8 15. Ba3 c6 16. Rac1 Qe6 17. Qf1 Be7 18. Bh3 f5 19. Ne2 g5 20. Bxd6 Qxd6 21. Bxf5 1-0

[Event "Cuiaba Contaud op"]
[Site "Cuiaba"]
[Date "2017.07.28"]
[Round "2"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Campos, Otavio Moraes"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "1953"]
[BlackElo "1722"]
[PlyCount "79"]
[EventDate "2017.07.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 g6 3. g3 Nc6 4. Bg2 Bg7 5. a3 Nf6 6. e3 0-0 7. Nge2 d6 8. 0-0 Bf5 9. d3 a6 10. Rb1 Qd7 11. Nf4 Rab8 12. Re1 b5 13. cxb5 axb5 14. b4 cxb4 15. axb4 Rfc8 16. Qd2 Ng4 17. h3 Nge5 18. e4 Be6 19. Nxe6 Qxe6 20. Ne2 Qf6 21. f4 Nd7 22. Bb2 e5 23. Rf1 Qd8 24. h4 Qb6+ 25. Kh2 Nf6 26. Bh3 Rc7 27. Rbc1 h5 28. f5 Ng4+ 29. Bxg4 hxg4 30. f6 Bf8 31. h5 Nd4 32. Bxd4 exd4 33. Qg5 Rxc1 34. Nxc1 Kh7 35. hxg6+ fxg6 36. Kg2 Rb7 37. Rh1+ Kg8 38. Qxg6+ Bg7 39. fxg7 Rxg7 40. Qe8# 1-0

[Event "Brasilia Terraviva op"]
[Site "Brasilia"]
[Date "2017.01.08"]
[Round "6"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Labussiere, Yago"]
[Result "1/2-1/2"]
[ECO "B26"]
[WhiteElo "1951"]
[BlackElo "1673"]
[PlyCount "42"]
[EventDate "2017.01.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 Nc6 4. Bg2 e6 5. d3 g6 6. Be3 Bg7 7. Qd2 Nge7 8. Nge2 0-0 9. 0-0 Rb8 10. d4 cxd4 11. Nxd4 Nxd4 12. Bxd4 Bxd4 13. Qxd4 Nc6 14. Qd2 Qe7 15. Rfd1 Rd8 16. Ne2 b6 17. c4 Bb7 18. b3 Rbc8 19. h4 Qf6 20. Qh6 Qg7 21. Qg5 Qe5 1/2-1/2

[Event "Brasilia Terraviva op"]
[Site "Brasilia"]
[Date "2017.01.08"]
[Round "5"]
[White "Moraes, Nelson da Silva"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2267"]
[BlackElo "1951"]
[PlyCount "133"]
[EventDate "2017.01.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 e6 2. Qe2 c5 3. Nf3 Nc6 4. g3 g6 5. Bg2 Bg7 6. 0-0 Nge7 7. c3 e5 8. d3 0-0 9. Ng5 h6 10. Nh3 d5 11. f4 Be6 12. fxe5 Nxe5 13. Nf4 Bg4 14. Qe3 d4 15. cxd4 cxd4 16. Qd2 a6 17. b3 Rc8 18. Bb2 Qd7 19. h3 g5 20. hxg4 gxf4 21. gxf4 Nxg4 22. Bh3 h5 23. Na3 b5 24. Rf3 Ng6 25. Rg3 Bh6 26. Rf1 Rfd8 27. Bxg4 hxg4 28. Bc1 Rc6 29. Qd1 Rdc8 30. Bd2 Qd6 31. Rxg4 Qxa3 32. f5 Bxd2 33. Qxd2 Rc1 34. fxg6 Rxf1+ 35. Kxf1 Qc1+ 36. Qxc1 Rxc1+ 37. Ke2 Rc2+ 38. Kd1 Rxa2 39. gxf7+ Kxf7 40. Rg5 Rb2 41. Rd5 Rxb3 42. Rxd4 Ke6 43. Kc2 Ra3 44. Kb2 Ra5 45. Kb3 Ra1 46. Rd5 Rb1+ 47. Kc2 Rb4 48. Kc3 a5 49. Rh5 Rb1 50. Kd4 Rb4+ 51. Kc5 Rb1 52. d4 a4 53. Rh6+ Ke7 54. Ra6 a3 55. Rxa3 b4 56. Ra7+ Ke6 57. Ra6+ Ke7 58. Kd5 b3 59. Ra7+ Kd8 60. e5 Kc8 61. Ra4 b2 62. Rb4 Kd7 63. e6+ Kc7 64. Rb3 Kc8 65. Kd6 Rd1 66. e7 Rxd4+ 67. Ke5 1-0

[Event "Brasilia Terraviva op"]
[Site "Brasilia"]
[Date "2017.01.07"]
[Round "3"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Barbosa, Edinardo Meireles"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1951"]
[BlackElo "1673"]
[PlyCount "55"]
[EventDate "2017.01.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nf6 5. Bg5 Be7 6. Nc3 Be6 7. Nge2 Nbd7 8. Qd2 c6 9. 0-0-0 Ng4 10. Bxe7 Qxe7 11. Nf4 0-0 12. Rde1 Rae8 13. Bf5 Bxf5 14. Rxe7 Rxe7 15. Nd1 Rfe8 16. f3 Ngf6 17. g4 Bg6 18. h4 h5 19. g5 Nh7 20. Rh2 Nhf8 21. Re2 Re6 22. Nxe6 fxe6 23. f4 Nb6 24. b3 Nc8 25. Qb4 Be4 26. Nf2 Bf5 27. Nd3 Bxd3 28. cxd3 1-0

[Event "Brasilia Terraviva op"]
[Site "Brasilia"]
[Date "2017.01.07"]
[Round "4"]
[White "Rodrigues, Julliano de Araujo"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "1825"]
[BlackElo "1951"]
[PlyCount "56"]
[EventDate "2017.01.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Ne4 5. Nxe4 dxe4 6. Bc4 a6 7. Be3 b5 8. Bb3 Bb7 9. Qg4 c5 10. dxc5 Qc7 11. Qg3 Nd7 12. Ne2 Nxc5 13. 0-0 g6 14. c3 Bg7 15. Bf4 Nd3 16. h3 0-0 17. Rab1 Nxf4 18. Qxf4 Bxe5 19. Qe3 Rfd8 20. Ng3 Rd3 21. Qe1 Bxg3 22. fxg3 Rxg3 23. Rf2 Qc5 24. Kh2 e3 25. Re2 Rg5 26. Rd1 Qe5+ 27. g3 Rh5 28. Rxe3 Rxh3+ 0-1

[Event "Brasilia Terraviva op"]
[Site "Brasilia"]
[Date "2017.01.06"]
[Round "2"]
[White "Cubas, Jose Fernando"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "2469"]
[BlackElo "1951"]
[PlyCount "69"]
[EventDate "2017.01.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Ne4 5. Nce2 f6 6. f3 Ng5 7. exf6 Qxf6 8. Be3 Nf7 9. Qd2 Nd7 10. Nh3 Nb6 11. Nc3 Bd7 12. Nb5 Bxb5 13. Bxb5+ c6 14. Be2 Bd6 15. 0-0-0 0-0-0 16. f4 Bc7 17. Nf2 Nd6 18. b3 Ne4 19. Nxe4 dxe4 20. c4 Rhf8 21. g3 Kb8 22. Qc2 Qf5 23. Bf1 g5 24. Bg2 gxf4 25. Bxe4 Qg4 26. gxf4 Bxf4 27. Bxf4+ Rxf4 28. Bxh7 Rfxd4 29. Rxd4 Qxd4 30. Kb1 Qf4 31. h4 Rd2 32. Qc3 Nd7 33. h5 Nf6 34. Bc2 Ne4 35. Qh8+ 1-0

[Event "Brasilia Terraviva op"]
[Site "Brasilia"]
[Date "2017.01.06"]
[Round "1"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Junqueira, Leonardo de Faria"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1951"]
[BlackElo "1456"]
[PlyCount "101"]
[EventDate "2017.01.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 176 Extra"]
[Source "ChessBase"]
[SourceDate "2017.03.02"]
[SourceVersion "1"]
[SourceVersionDate "2017.03.02"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Nf6 5. Nxc6 bxc6 6. Qe2 d6 7. Nc3 Be7 8. Bd2 a5 9. h3 Ba6 10. Qf3 Bxf1 11. Rxf1 Qb8 12. 0-0-0 Nd7 13. Qg4 Bf6 14. f4 Qb7 15. e5 dxe5 16. Ne4 Rg8 17. Bc3 0-0-0 18. Rxd7 Rxd7 19. Nxf6 gxf6 20. Qxg8+ Rd8 21. Qxf7 Qa6 22. Re1 Qb6 23. Qe6+ Kb7 24. Qb3 exf4 25. Rf1 Qxb3 26. axb3 Rg8 27. Rxf4 Rxg2 28. Rxf6 Rg1+ 29. Kd2 Rg2+ 30. Kd1 Rh2 31. Rh6 Kb6 32. Rxh7 c5 33. h4 Kc6 34. Bxa5 Kd5 35. Be1 c6 36. Re7 Rh3 37. Kd2 Rh2+ 38. Re2 Rh3 39. Rg2 Ke6 40. Rg3 Rh2+ 41. Kd3 Rh1 42. Re3+ Kd6 43. Bg3+ Kd7 44. Kc4 Rb1 45. Kxc5 Rxb2 46. c4 Ra2 47. b4 Ra8 48. h5 Rh8 49. Re5 Rh7 50. Bf4 Kc7 51. Re7+ 1-0

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2016.05.29"]
[Round "7"]
[White "Da Silva Junior, Sediney Mari"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1998"]
[BlackElo "1937"]
[PlyCount "57"]
[EventDate "2016.05.26"]
[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 e6 2. d4 d5 3. e5 c5 4. Nf3 Nc6 5. Bd3 Qb6 6. dxc5 Bxc5 7. 0-0 Nge7 8. Nbd2 Ng6 9. Bxg6 hxg6 10. Nb3 Bd7 11. Nxc5 Qxc5 12. Be3 Qa5 13. Re1 Rc8 14. a3 Ne7 15. Ng5 Nf5 16. b4 Qc7 17. Nh3 Nxe3 18. Rxe3 Qxc2 19. Qd4 b6 20. Qg4 Rc4 21. f4 Qd2 22. Qf3 Ke7 23. Rd3 Rc1+ 24. Rxc1 Qxc1+ 25. Rd1 Qc2 26. Nf2 Rc8 27. Qh3 Qe2 28. Qh4+ Ke8 29. Qh8+ 1/2-1/2

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2016.05.28"]
[Round "5"]
[White "Aparecido Silva, Haroldo"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "0-1"]
[ECO "C10"]
[WhiteElo "1865"]
[BlackElo "1937"]
[PlyCount "92"]
[EventDate "2016.05.26"]
[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 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nd7 7. 0-0 Ngf6 8. Qe2 g6 9. c4 Bxe4 10. Bxe4 Nxe4 11. Qxe4 c6 12. Qe2 Nf6 13. b3 Bg7 14. Ba3 Qa5 15. Bd6 0-0-0 16. Qe5 Qxe5 17. dxe5 Ne4 18. Rad1 h6 19. c5 Nc3 20. Rd2 Nd5 21. Rc2 Kd7 22. a3 Ra8 23. Re1 Rhc8 24. Nd4 h5 25. Rd1 Rh8 26. g3 h4 27. Kg2 Rh5 28. Re1 Rah8 29. g4 R5h7 30. Kf3 Bh6 31. b4 a6 32. Rb1 Ra8 33. a4 Rhh8 34. b5 axb5 35. axb5 Ra3+ 36. Kg2 h3+ 37. Kf1 cxb5 38. Nxb5 Rha8 39. Nxa3 Rxa3 40. Rxb7+ Kc6 41. Rb1 Bf4 42. Rcb2 Nc3 43. Rb6+ Kd5 44. Rc1 Bxc1 45. c6 Bf4 46. f3 Be3 0-1

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2016.05.28"]
[Round "6"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Bonvini, Alberto Tonhati"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1937"]
[BlackElo "1871"]
[PlyCount "85"]
[EventDate "2016.05.26"]
[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 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qf6 5. Nxc6 Bc5 6. Qf3 Qxc6 7. Nc3 Ne7 8. Bd3 0-0 9. Bd2 Ng6 10. Qe2 a6 11. 0-0-0 d6 12. f4 b5 13. Nd5 Qd7 14. f5 Ne5 15. f6 Re8 16. Ne7+ Rxe7 17. fxe7 Qxe7 18. h3 Be6 19. Kb1 Bb6 20. Bc3 Ng6 21. e5 Nxe5 22. Qe4 Qe8 23. Qxh7+ Kf8 24. Bxe5 dxe5 25. Qh8+ Ke7 26. Qxg7 Rd8 27. Rhf1 Qc6 28. Qf6+ Ke8 29. Bxb5 Qd7 30. Bxd7+ Rxd7 31. Rxd7 Kxd7 32. Rd1+ Kc8 33. Qxe5 Kb7 34. h4 a5 35. h5 a4 36. h6 a3 37. bxa3 Ka7 38. h7 Kb7 39. h8Q Ka7 40. Qe4 Ka6 41. Qha8+ Ba7 42. Qab7+ Ka5 43. Qeb4# 1-0

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2016.05.27"]
[Round "4"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "De Almeida, Guilherme Pereira"]
[Result "1/2-1/2"]
[ECO "B08"]
[WhiteElo "1937"]
[BlackElo "1838"]
[PlyCount "111"]
[EventDate "2016.05.26"]
[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 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. h3 0-0 6. Be3 c6 7. a4 a5 8. Bc4 Nxe4 9. Bxf7+ Rxf7 10. Nxe4 h6 11. Qd2 Qf8 12. Ng3 Na6 13. c3 Nc7 14. Qd3 Rxf3 15. gxf3 Qf7 16. h4 Be6 17. h5 g5 18. Qg6 Qxg6 19. hxg6 Rf8 20. Nf1 Rxf3 21. Nd2 Rf6 22. Ke2 Rxg6 23. Raf1 g4 24. Rh4 Nd5 25. Rg1 Nxe3 26. Kxe3 Bf6 27. Rh5 Bg5+ 28. Ke2 Bxd2 29. Kxd2 Rf6 30. Ke1 b6 31. Rg3 Kh7 32. Ke2 Kg6 33. Rh2 h5 34. f3 Kg5 35. fxg4 Bxg4+ 36. Kd2 Rf1 37. Re3 Rb1 38. Kc2 Bf5+ 39. Kb3 e6 40. Rg3+ Bg4 41. Kc2 Ra1 42. Kb3 Kf4 43. Rgg2 Bd1+ 44. Kc4 Rxa4+ 45. Kd3 Bg4 46. Rg1 e5 47. Rf2+ Kg5 48. dxe5 dxe5 49. Re1 e4+ 50. Rxe4 Rxe4 51. Kxe4 Kh4 52. Kf4 Kh3 53. Rd2 Be6 54. Kg5 Bg4 55. Kf4 Be6 56. Kg5 1/2-1/2

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2016.05.27"]
[Round "3"]
[White "Nascimento, Pedro Henrique Alve"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1872"]
[BlackElo "1937"]
[PlyCount "13"]
[EventDate "2016.05.26"]
[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. Bf4 Nf6 3. e3 e6 4. Bd3 b6 5. c3 Ba6 6. Bxa6 Nxa6 7. Qa4+ 1-0

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2016.05.26"]
[Round "2"]
[White "De Arruda Filho, Nivaldo Jesus"]
[Black "Zeituni, Carlos Alberto"]
[Result "1/2-1/2"]
[ECO "C47"]
[WhiteElo "1937"]
[BlackElo "1829"]
[PlyCount "40"]
[EventDate "2016.05.26"]
[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 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 Bxc3+ 7. bxc3 bxc6 8. Bd3 Qe7 9. 0-0 0-0 10. Bg5 h6 11. Bh4 g5 12. Bg3 d6 13. e5 dxe5 14. Re1 Bg4 15. f3 Bh5 16. Bxe5 Nd5 17. Bg7 Qc5+ 18. Bd4 Qd6 19. Be5 Qc5+ 20. Bd4 Qd6 1/2-1/2

[Event "BRA-ch Amateur U2000"]
[Site "Sao Paulo"]
[Date "2016.05.26"]
[Round "1"]
[White "Gomes, Marco Tulio Caldeir"]
[Black "De Arruda Filho, Nivaldo Jesus"]
[Result "0-1"]
[ECO "A10"]
[WhiteElo "1821"]
[BlackElo "1937"]
[PlyCount "72"]
[EventDate "2016.05.26"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. c4 d5 2. cxd5 Qxd5 3. Nc3 Qa5 4. d4 e5 5. dxe5 Nc6 6. Bd2 Qxe5 7. Nf3 Qh5 8. e4 Bg4 9. Be2 Bc5 10. Nd5 0-0-0 11. Qc2 Nf6 12. Nf4 Rxd2 13. Nxd2 Nd4 14. Qc4 Qg5 15. Bxg4+ Nxg4 16. Nd3 Nxf2 17. Nxf2 Qe3+ 18. Kd1 Qxf2 19. Qxc5 Rd8 20. Qc3 Qe2+ 21. Kc1 Qxg2 22. Re1 Ne2+ 23. Rxe2 Qxe2 24. Kc2 Rd6 25. Rc1 Rc6 26. Rg1 Rxc3+ 27. bxc3 g6 28. Rf1 f5 29. exf5 gxf5 30. Rxf5 b6 31. h4 Qg4 32. Rf8+ Kb7 33. Nb3 Qxh4 34. Nd4 Qe4+ 35. Kb3 h5 36. Rh8 h4 0-1

