[Event "Catarinense-ch"]
[Site "Itajai"]
[Date "2023.11.26"]
[Round "5"]
[White "Bittencourt, Arian G Decezare"]
[Black "Sperb, Eduardo Quintana"]
[Result "1-0"]
[ECO "B51"]
[WhiteElo "1520"]
[BlackElo "1949"]
[PlyCount "45"]
[EventDate "2023.11.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. 0-0 a6 5. Bxd7+ Bxd7 6. Re1 e5 7. d3 Nf6 8. c3 Bc6 9. Nbd2 g6 10. d4 Qc7 11. Nc4 0-0-0 12. d5 Be8 13. Bg5 Be7 14. b4 Kb8 15. bxc5 Qxc5 16. Qb3 b5 17. Ncd2 Rc8 18. c4 Bd8 19. Be3 Qc7 20. a4 Ng4 21. axb5 Nxe3 22. Qxe3 axb5 23. Qa3 1-0

[Event "Catarinense-ch"]
[Site "Itajai"]
[Date "2023.11.25"]
[Round "3"]
[White "Bittencourt, Arian G Decezare"]
[Black "Buganca, Luiz Henrique Da Si"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "1520"]
[BlackElo "2005"]
[PlyCount "95"]
[EventDate "2023.11.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 Qb6 4. Bxc6 Qxc6 5. d3 e6 6. 0-0 d6 7. Re1 Be7 8. Nbd2 Nf6 9. e5 dxe5 10. Nxe5 Qc7 11. Ndf3 0-0 12. h3 b6 13. b3 Bb7 14. Bb2 Nd5 15. Ng4 Nf4 16. Qd2 Bxf3 17. Be5 Qb7 18. Qxf4 f6 19. Qxf3 Qxf3 20. gxf3 fxe5 21. Rxe5 Rxf3 22. Re3 Raf8 23. Kg2 R3f5 24. Rf1 h5 25. Ne5 Bg5 26. Ng6 Re8 27. Re4 Bd2 28. h4 Bc3 29. f4 Bf6 30. Kh3 Bd4 31. Rf3 b5 32. Kg3 b4 33. Ne5 Rc8 34. Nc4 Rc6 35. a4 bxa3 36. Nxa3 e5 37. Nc4 Rg6+ 38. Kh3 Rgf6 39. Kg3 Rg6+ 40. Kh3 exf4 41. Rfxf4 Rgf6 42. Rxf5 Rxf5 43. Re2 Rf3+ 44. Kg2 Rf4 45. Kg3 Rg4+ 46. Kh3 Bf6 47. Re4 Rg2 48. Ne3 1/2-1/2

[Event "Catarinense-ch"]
[Site "Itajai"]
[Date "2023.11.25"]
[Round "4"]
[White "Spieker, Otavio Schmidt"]
[Black "Bittencourt, Arian G Decezare"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "1389"]
[BlackElo "1520"]
[PlyCount "82"]
[EventDate "2023.11.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bc5 6. Nxc6 dxc6 7. Qxd8+ Kxd8 8. Bg5 h6 9. 0-0-0+ Ke7 10. Bh4 g5 11. Bg3 Be6 12. f3 Rac8 13. Be5 Rhg8 14. Bxf6+ Kxf6 15. a3 Rcd8 16. Bd3 Bd6 17. Ne2 c5 18. c4 a6 19. Nc3 c6 20. h3 Be5 21. Ne2 b5 22. cxb5 cxb5 23. Kb1 Rd7 24. Bc2 Rgd8 25. Rxd7 Rxd7 26. Rd1 Rxd1+ 27. Bxd1 a5 28. g4 a4 29. Nc3 Bxc3 30. bxc3 Bc4 31. Kc1 Ke5 32. Kd2 Kf4 33. Be2 Bxe2 34. Kxe2 b4 35. axb4 cxb4 36. cxb4 a3 37. b5 a2 38. b6 a1Q 39. b7 Qb2+ 40. Kd1 Ke3 41. b8Q Qd2# 0-1

[Event "Catarinense-ch"]
[Site "Itajai"]
[Date "2023.11.24"]
[Round "1"]
[White "Bittencourt, Arian G Decezare"]
[Black "Caetano, Ryan Wesley da Cost"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "1520"]
[BlackElo "2235"]
[PlyCount "84"]
[EventDate "2023.11.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. 0-0 a6 5. Bxd7+ Bxd7 6. d3 Nf6 7. Nbd2 g6 8. Re1 Bg7 9. Nf1 0-0 10. Ng3 b5 11. Rb1 e5 12. c3 Re8 13. h3 Bc6 14. Be3 Rc8 15. Nh2 Bb7 16. Ng4 Nxg4 17. Qxg4 h5 18. Qe2 d5 19. exd5 Qxd5 20. f3 f5 21. Bf2 Qxa2 22. Qc2 Qf7 23. Re2 c4 24. Rd2 h4 25. Nf1 cxd3 26. Qxd3 e4 27. Qd6 exf3 28. gxf3 Bxf3 29. Bxh4 Bc6 30. Qf4 Re4 31. Qg5 Rce8 32. Rd6 R4e6 33. Rxe6 Rxe6 34. Bf2 Bf6 35. Qg3 Re4 36. Nd2 Qd5 37. Qf3 Re6 38. Qxd5 Bxd5 39. Nf1 Bc6 40. Ne3 f4 41. Ng4 Bg7 42. Bd4 Bf3 0-1

[Event "Catarinense-ch"]
[Site "Itajai"]
[Date "2023.11.24"]
[Round "2"]
[White "Dimare, Miguel Silveira"]
[Black "Bittencourt, Arian G Decezare"]
[Result "0-1"]
[ECO "E43"]
[WhiteElo "1800"]
[BlackElo "1520"]
[PlyCount "95"]
[EventDate "2023.11.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CB50_2023"]
[SourceDate "2023.12.13"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Nf3 0-0 6. Be2 d6 7. 0-0 Bxc3 8. bxc3 c5 9. Rb1 Nc6 10. Re1 Ba6 11. Qa4 Na5 12. Nd2 Rc8 13. Nb3 Nxb3 14. axb3 Bb7 15. Qxa7 Ba8 16. Bd3 Ne4 17. Qa1 Qh4 18. Qa2 Qg5 19. Bxe4 Bxe4 20. f4 Qh4 21. g3 Qg4 22. Ra1 Qf3 23. Rf1 Qh1+ 24. Kf2 Qxh2+ 25. Ke1 Qxg3+ 26. Qf2 Qg6 27. Ra6 Ra8 28. Rg1 Qh5 29. Rxa8 Rxa8 30. Bb2 Ra2 31. dxc5 bxc5 32. Qd2 d5 33. cxd5 exd5 34. c4 Bg6 35. cxd5 Qf5 36. Kf2 Qd7 37. e4 f6 38. f5 Bf7 39. Ke1 Qe7 40. Qh2 Bxd5 41. e5 fxe5 42. Qxe5 Qxe5+ 43. Bxe5 Ra7 44. Kd2 Re7 45. Bb2 Rf7 46. f6 g6 47. Ra1 Rd7 48. Kc3 0-1

[Event "Catarinense-ch U20"]
[Site "Rio Negrinho"]
[Date "2023.03.26"]
[Round "6"]
[White "Bittencourt, Arian G Decezare"]
[Black "Pavao, Fabio Biasi"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "1474"]
[BlackElo "1811"]
[PlyCount "57"]
[EventDate "2023.03.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. g3 Bg7 4. d3 e6 5. Bg2 Ne7 6. 0-0 Nbc6 7. Nbd2 0-0 8. Re1 d5 9. e5 Qc7 10. Qe2 b6 11. Nf1 Bb7 12. h4 h5 13. N1h2 Nf5 14. c3 d4 15. c4 a6 16. g4 hxg4 17. Nxg4 Nce7 18. Bg5 Kh8 19. h5 Ng8 20. Nd2 Bh6 21. Nxh6 Ngxh6 22. Ne4 Kh7 23. Bf6 Rae8 24. Kh2 Bxe4 25. Bxe4 Rg8 26. Rg1 g5 27. Qf3 Qb8 28. Rg2 g4 29. Qf4 1-0

[Event "Catarinense-ch U20"]
[Site "Rio Negrinho"]
[Date "2023.03.26"]
[Round "5"]
[White "De Lima, Lucas Pissete"]
[Black "Bittencourt, Arian G Decezare"]
[Result "0-1"]
[ECO "C70"]
[WhiteElo "1800"]
[BlackElo "1474"]
[PlyCount "118"]
[EventDate "2023.03.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Be7 6. a4 b4 7. c3 Nf6 8. d3 d6 9. Nbd2 Bg4 10. h3 Bh5 11. Nf1 bxc3 12. bxc3 Rb8 13. Bc2 0-0 14. Ng3 Bg6 15. 0-0 a5 16. Re1 Qd7 17. d4 Rfd8 18. Be3 exd4 19. Nxd4 d5 20. Nxc6 Qxc6 21. e5 Ne4 22. Nxe4 dxe4 23. Qg4 Qxc3 24. Bxe4 Rb4 25. f3 Bxe4 26. fxe4 Qxe5 27. Bf4 Qd4+ 28. Kh1 Bd6 29. Bxd6 cxd6 30. Rad1 Qe5 31. Rd5 Qxd5 32. exd5 Rxg4 33. hxg4 Kf8 34. Rb1 Rc8 35. Rb6 Ke7 36. Rb7+ Kf6 37. g5+ Ke5 38. Rxf7 Rc4 39. Rxg7 Rxa4 40. Rxh7 Rg4 41. g6 Rxg6 42. Ra7 Kxd5 43. Rxa5+ Ke4 44. Ra4+ Ke5 45. Kg1 d5 46. Kf2 d4 47. Ra8 Ke4 48. Ke1 Rxg2 49. Ra3 Rc2 50. Rh3 Rc3 51. Rh4+ Kd3 52. Kd1 Kc4 53. Rh8 Rg3 54. Rd8 Kd3 55. Kc1 Rg1+ 56. Kb2 Ke3 57. Re8+ Kd2 58. Rd8 d3 59. Kb3 Rg3 0-1

[Event "Catarinense-ch U20"]
[Site "Rio Negrinho"]
[Date "2023.03.25"]
[Round "4"]
[White "Bittencourt, Arian G Decezare"]
[Black "Messias, Jose Vitor Lamosa P"]
[Result "1/2-1/2"]
[ECO "C48"]
[WhiteElo "1474"]
[BlackElo "1664"]
[PlyCount "114"]
[EventDate "2023.03.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bb5 Nd4 5. Ba4 c6 6. d3 b5 7. Bb3 Nxb3 8. axb3 d6 9. Bg5 Be7 10. Ne2 0-0 11. Ng3 h6 12. Be3 Qc7 13. 0-0 d5 14. h3 Rd8 15. Qe2 c5 16. Bd2 dxe4 17. Nxe4 a5 18. Bc3 Nxe4 19. Qxe4 Bb7 20. Qxe5 Qxe5 21. Nxe5 Bf6 22. Ng4 Bxc3 23. bxc3 Re8 24. Rfe1 Rxe1+ 25. Rxe1 a4 26. Ra1 a3 27. Ne3 Kf8 28. b4 Ke7 29. Kf1 Ke6 30. g3 Bf3 31. Ke1 f5 32. h4 Ke5 33. Nf1 f4 34. Nd2 Bd5 35. Nb3 c4 36. Nd4 cxd3 37. cxd3 fxg3 38. fxg3 a2 39. Nxb5 Bb3 40. Nd4 Ra3 41. Nxb3 Rxb3 42. Rxa2 Rxc3 43. Kd2 Rb3 44. Ra7 g5 45. Ra6 gxh4 46. gxh4 h5 47. Rh6 Kd4 48. Rd6+ Ke5 49. Rc6 Rxb4 50. Rc5+ Kd4 51. Rxh5 Rb2+ 52. Kc1 Rh2 53. Rh8 Kxd3 54. h5 Ke4 55. h6 Kf5 56. Kd1 Kg6 57. Rg8+ Kh7 1/2-1/2

[Event "Catarinense-ch U20"]
[Site "Rio Negrinho"]
[Date "2023.03.25"]
[Round "3"]
[White "Moyses Sobrinho, Elias"]
[Black "Bittencourt, Arian G Decezare"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "1917"]
[BlackElo "1474"]
[PlyCount "115"]
[EventDate "2023.03.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. cxd5 cxd5 4. d4 Nf6 5. Nc3 Nc6 6. e3 e6 7. Be2 a6 8. a3 Bd6 9. b4 0-0 10. 0-0 b5 11. Bb2 Bb7 12. Nd2 Nd7 13. Nb3 f5 14. Nc5 Nxc5 15. dxc5 Be5 16. f4 Bf6 17. Bf3 Qe7 18. Qd2 Rad8 19. Ne2 Bxb2 20. Qxb2 Rf6 21. Nd4 h6 22. a4 Nxd4 23. exd4 Bc6 24. axb5 Bxb5 25. Be2 Qd7 26. Ra5 g5 27. Bxb5 axb5 28. fxg5 hxg5 29. Qe2 Rb8 30. Rfa1 g4 31. Qe5 Rbf8 32. Ra7 Qe8 33. Rb7 R6f7 34. Raa7 Rxb7 35. Rxb7 Qg6 36. Rb6 Re8 37. g3 Qh6 38. Qf4 Qxf4 39. gxf4 Ra8 40. Rxb5 Ra1+ 41. Kf2 Ra2+ 42. Kg3 Ra3+ 43. Kh4 Rh3+ 44. Kg5 Kf7 45. Rb7+ Ke8 46. Kf6 Rxh2 47. Kxe6 Re2+ 48. Kxf5 g3 49. Rg7 g2 50. b5 Kf8 51. Rg3 Ke7 52. b6 Kd7 53. b7 Kc7 54. Rg7+ Kb8 55. c6 Rb2 56. Ke6 Rb6 57. Rg8+ Ka7 58. Ra8# 1-0

[Event "Catarinense-ch U20"]
[Site "Rio Negrinho"]
[Date "2023.03.24"]
[Round "2"]
[White "Bittencourt, Arian G Decezare"]
[Black "Bisconsin, Raul Amaral"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1474"]
[BlackElo "1090"]
[PlyCount "79"]
[EventDate "2023.03.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 d6 5. c3 Qf6 6. a4 a6 7. b4 Ba7 8. Be3 Be6 9. Nbd2 Nge7 10. 0-0 0-0 11. Rb1 h6 12. Bxa7 Rxa7 13. Qe2 d5 14. exd5 Nxd5 15. Bxd5 Bxd5 16. b5 axb5 17. axb5 Bxf3 18. Nxf3 Nd8 19. Qxe5 Qxe5 20. Nxe5 Re8 21. Nc4 Ra8 22. f3 Ne6 23. b6 cxb6 24. Rxb6 Rab8 25. Rfb1 Nc5 26. d4 Nd3 27. h3 f5 28. Nd6 Re6 29. Nxf5 Rxb6 30. Rxb6 h5 31. Nd6 h4 32. Nf5 g5 33. Rg6+ Kf7 34. Rb6 Ra8 35. Rxb7+ Kf6 36. Ne3 Ra1+ 37. Nf1 Rc1 38. Rc7 Kf5 39. c4 Kf4 40. Rf7# 1-0

[Event "Catarinense-ch U20"]
[Site "Rio Negrinho"]
[Date "2023.03.24"]
[Round "1"]
[White "Franca, Willian Bento"]
[Black "Bittencourt, Arian G Decezare"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "2202"]
[BlackElo "1474"]
[PlyCount "71"]
[EventDate "2023.03.24"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 213 Extra"]
[Source "ChessBase"]
[SourceDate "2023.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. d3 d6 6. c3 Bg4 7. b4 Bb6 8. a4 a6 9. Be3 Ba7 10. Bxa7 Rxa7 11. Nbd2 0-0 12. h3 Be6 13. Qb3 Bxc4 14. Nxc4 Ne7 15. Rfe1 Ng6 16. d4 Qe7 17. dxe5 Nxe5 18. Nfxe5 dxe5 19. Ne3 g6 20. Nd5 Nxd5 21. exd5 Rd8 22. c4 f6 23. c5 Qf7 24. Rad1 c6 25. dxc6 Rxd1 26. Qxd1 bxc6 27. Qd6 Rc7 28. Rd1 Kg7 29. Qd3 Ra7 30. Qf3 Rc7 31. Rd6 e4 32. Qxe4 Re7 33. Qxc6 Qa2 34. Rd7 Qa1+ 35. Kh2 Qe5+ 36. g3 1-0

[Event "Concordia op 6th"]
[Site "Concordia"]
[Date "2022.10.16"]
[Round "9"]
[White "Ferro, Miguel Batalha"]
[Black "Bittencourt, Arian G Decezare"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "1111"]
[BlackElo "1460"]
[PlyCount "96"]
[EventDate "2022.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 e6 4. Bd3 Bd6 5. 0-0 0-0 6. b3 c5 7. Bb2 Nc6 8. Nbd2 Qc7 9. a3 Re8 10. dxc5 Be5 11. Nxe5 Nxe5 12. Be2 Ned7 13. b4 e5 14. c4 Nf8 15. cxd5 Nxd5 16. e4 Nf4 17. Bg4 Bxg4 18. Qxg4 Re6 19. Nc4 Qc6 20. Qf3 f6 21. Rad1 N8g6 22. g3 Nh3+ 23. Kg2 Ng5 24. Qe3 Qxe4+ 25. Qxe4 Nxe4 26. h4 f5 27. Rd5 Nf6 28. Rd6 Rae8 29. Re1 e4 30. Bxf6 gxf6 31. Rd7 R8e7 32. Red1 Ne5 33. Nxe5 fxe5 34. R1d6 Kf7 35. Kf1 a6 36. Rxe6 Kxe6 37. Rxe7+ Kxe7 38. Ke2 h5 39. f3 exf3+ 40. Kxf3 Ke6 41. Ke3 Kd5 42. Kd3 a5 43. Kc3 e4 44. Kd2 Kc4 45. Ke3 axb4 46. axb4 Kxb4 47. g4 fxg4 48. Kxe4 Kxc5 0-1

[Event "Concordia op 6th"]
[Site "Concordia"]
[Date "2022.10.15"]
[Round "8"]
[White "Bittencourt, Arian G Decezare"]
[Black "Weber, Eduarda Pasqualoto"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1460"]
[BlackElo "1881"]
[PlyCount "173"]
[EventDate "2022.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. Nbd2 0-0 7. 0-0 h6 8. h3 Bd7 9. Bb3 a6 10. Re1 Re8 11. Nf1 Ba7 12. Ng3 Ne7 13. d4 Ng6 14. Nh2 Bc6 15. Bc2 Bd7 16. Be3 Qc8 17. Qe2 b5 18. Rf1 b4 19. f4 bxc3 20. bxc3 exf4 21. Bxf4 Nxf4 22. Rxf4 Nd5 23. Rf3 Nxc3 24. Qc4 Nb5 25. Ne2 d5 26. Qxd5 Be6 27. Qh5 Nxd4 28. Kh1 Nxe2 29. Ng4 Bxg4 30. hxg4 Qd7 31. Bb3 Rf8 32. g5 Qd6 33. Qg4 Qe5 34. Raf1 Qxg5 35. Qh3 Qg6 36. g4 Qxe4 37. Re1 Qc6 38. Rxe2 Rae8 39. Rxe8 Qxe8 40. Qf1 Qe4 41. Qg2 a5 42. Bc2 Qe1+ 43. Kh2 Rd8 44. Rd3 Rxd3 45. Bxd3 Qf2 46. Qxf2 Bxf2 47. Kg2 Bd4 48. Kf3 Kf8 49. Ke4 c5 50. Kd5 Ke7 51. Ke4 Kd6 52. Bc4 Ke7 53. Kf4 Kf6 54. Bd5 g6 55. Bc4 Ke7 56. Bd5 f6 57. Be4 Be5+ 58. Kf3 Kf7 59. Bd5+ Kg7 60. Ke4 Bd4 61. Kd3 h5 62. gxh5 gxh5 63. Kc4 Kg6 64. Kb5 Bc3 65. Kxc5 Kg5 66. Kc4 Bb4 67. Kd3 Kg4 68. Ke2 Kg3 69. Kf1 Bc5 70. Be4 h4 71. a4 h3 72. Bf5 Bd4 73. Be6 h2 74. Bd5 Kf4 75. Kg2 Bg1 76. Bc6 Ke5 77. Bf3 Kd4 78. Bc6 Kc5 79. Bd7 Kb4 80. Kh1 Kc5 81. Kg2 Kd4 82. Kh1 Ke5 83. Bc6 f5 84. Kg2 f4 85. Bf3 Kd4 86. Bc6 Ke3 87. Bf3 0-1

[Event "Concordia op 6th"]
[Site "Concordia"]
[Date "2022.10.15"]
[Round "7"]
[White "Manfroi, Alexander Giannini1"]
[Black "Bittencourt, Arian G Decezare"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1728"]
[BlackElo "1460"]
[PlyCount "25"]
[EventDate "2022.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 e6 4. Nf3 Nbd7 5. Nbd2 c6 6. Bd3 Bb4 7. c3 Ba5 8. Ne5 Bc7 9. Qf3 0-0 10. Qh3 h6 11. 0-0 Nh7 12. Ndf3 f6 13. Qxe6+ 1-0

[Event "Concordia op 6th"]
[Site "Concordia"]
[Date "2022.10.14"]
[Round "6"]
[White "Bittencourt, Arian G Decezare"]
[Black "Peroza, Eduardo Antunes"]
[Result "1/2-1/2"]
[ECO "B40"]
[WhiteElo "1460"]
[BlackElo "2117"]
[PlyCount "69"]
[EventDate "2022.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c4 Ne7 4. Nc3 Nbc6 5. Be2 d5 6. d3 d4 7. Nb1 e5 8. Nbd2 g6 9. 0-0 Bg7 10. a3 0-0 11. Rb1 Qd6 12. Ne1 f5 13. Nc2 a5 14. Re1 Bd7 15. Nf1 Rf7 16. Bd2 a4 17. Ng3 Nd8 18. b4 axb3 19. Rxb3 f4 20. Nf1 h5 21. Rb2 Bc6 22. h3 Ne6 23. Nh2 Kh7 24. Bf3 Ng5 25. Be2 Bh6 26. Nf3 Ne6 27. Nh2 Ng8 28. Rf1 Raf8 29. Ne1 Qd7 30. Kh1 Nf6 31. Nef3 Qc7 32. Ne1 Rg7 33. Rb1 Be8 34. Qb3 Qf7 35. Nef3 1/2-1/2

[Event "Concordia op 6th"]
[Site "Concordia"]
[Date "2022.10.14"]
[Round "5"]
[White "Spieker, Otavio Schmidt"]
[Black "Bittencourt, Arian G Decezare"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "1205"]
[BlackElo "1460"]
[PlyCount "126"]
[EventDate "2022.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. d4 exd4 5. Nxd4 Bb4 6. Nxc6 dxc6 7. Qxd8+ Kxd8 8. Bd3 Be6 9. Bd2 Kd7 10. a3 Ba5 11. 0-0 Rad8 12. Rad1 Kc8 13. h3 Rhg8 14. Be3 g5 15. g4 h5 16. f3 Bb6 17. Bxb6 cxb6 18. Rfe1 Nd7 19. e5 hxg4 20. hxg4 Rh8 21. Ne4 Nxe5 22. Nxg5 Nxd3 23. Rxd3 Bd5 24. Ne4 Rh3 25. Red1 Rdh8 26. R1d2 b5 27. Nd6+ Kb8 28. Ne4 Kc7 29. Ng5 Rh1+ 30. Kg2 Kb6 31. b4 f5 32. Kg3 fxg4 33. fxg4 Rg1+ 34. Kf2 Rxg4 35. Nf3 Rf8 36. Re3 a5 37. Rdd3 axb4 38. axb4 Rxb4 39. Ke1 Re4 40. Nd2 Rg4 41. Kd1 Rg1+ 42. Re1 Rg2 43. Re2 Rxe2 44. Kxe2 Rh8 45. Re3 Rh2+ 46. Kd1 Bf7 47. Kc1 Bg6 48. Rg3 Bh7 49. Rg7 b4 50. Rg5 c5 51. Rg4 Kb5 52. Rf4 c4 53. Rxc4 Rxd2 54. Rxb4+ Kxb4 55. Kxd2 Kc4 56. Kc1 Kc3 57. Kb1 Bxc2+ 58. Ka2 b5 59. Ka3 b4+ 60. Ka2 b3+ 61. Ka3 b2 62. Ka2 b1Q+ 63. Ka3 Qb3# 0-1

[Event "Concordia op 6th"]
[Site "Concordia"]
[Date "2022.10.13"]
[Round "3"]
[White "Altenhofen, Rafael Graneto"]
[Black "Bittencourt, Arian G Decezare"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "1800"]
[BlackElo "1460"]
[PlyCount "88"]
[EventDate "2022.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Bf4 Nbd7 5. e3 e6 6. Nc3 Bb4 7. a3 Ba5 8. b4 Bc7 9. Bg3 b6 10. Be2 0-0 11. 0-0 Ba6 12. cxd5 Bxe2 13. Qxe2 cxd5 14. Rac1 Bxg3 15. hxg3 a6 16. Rc2 b5 17. Rfc1 Nb6 18. Ne5 Nc4 19. Nxc4 dxc4 20. Rd2 Nd5 21. Nxd5 exd5 22. f3 Qg5 23. Kf2 Rfe8 24. Re1 h6 25. Qf1 a5 26. Qh1 axb4 27. axb4 Ra3 28. Qh4 Qxh4 29. gxh4 Rb3 30. Ree2 Rxb4 31. Rb2 Rxb2 32. Rxb2 Rb8 33. Ke2 b4 34. Kd1 f5 35. Kc2 Kf7 36. g3 Kf6 37. f4 g5 38. hxg5+ hxg5 39. Kd1 b3 40. Kd2 gxf4 41. gxf4 Rh8 42. Kc3 Ra8 43. Rh2 Ra2 44. Rh8 Rc2+ 0-1

[Event "Concordia op 6th"]
[Site "Concordia"]
[Date "2022.10.13"]
[Round "4"]
[White "Bittencourt, Arian G Decezare"]
[Black "Constantino, Pedro Henrique"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "1460"]
[BlackElo "1802"]
[PlyCount "72"]
[EventDate "2022.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Nd7 4. d3 g6 5. c4 Bg7 6. Nc3 Ngf6 7. 0-0 0-0 8. Bxd7 Nxd7 9. Be3 e5 10. Nd2 Nf6 11. f3 a6 12. a3 Nh5 13. b4 cxb4 14. axb4 Nf4 15. Nb3 Qg5 16. Qd2 Qf6 17. Ra2 Be6 18. b5 axb5 19. Rxa8 Rxa8 20. Nxb5 Bd7 21. Nc7 Rc8 22. Bxf4 Rxc7 23. Bg5 Qe6 24. Qb4 Bc6 25. Ra1 h6 26. Be3 f5 27. Ra7 fxe4 28. Na5 exf3 29. Nxc6 Qg4 30. Qb2 Rxc6 31. Rxb7 Ra6 32. Ra7 Rxa7 33. Bxa7 e4 34. Qf2 exd3 35. Be3 Bc3 36. Kf1 fxg2+ 0-1

[Event "Concordia op 6th"]
[Site "Concordia"]
[Date "2022.10.12"]
[Round "2"]
[White "Bittencourt, Arian G Decezare"]
[Black "Rodio, Julia Brunetto"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1460"]
[BlackElo "1841"]
[PlyCount "108"]
[EventDate "2022.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. Nc3 e6 4. Be2 b5 5. e5 Bb7 6. d3 Qc7 7. Bf4 Ne7 8. Bg3 Ng6 9. 0-0 Nc6 10. Re1 Nd4 11. Nb1 Nf5 12. Bf1 h5 13. h3 Nxg3 14. fxg3 d6 15. Qe2 Be7 16. Nbd2 dxe5 17. Nxe5 Nxe5 18. Qxe5 Qxe5 19. Rxe5 Bf6 20. Re2 Bxb2 21. Rb1 Bd4+ 22. Kh2 Bd5 23. Nb3 Rd8 24. Rd1 Rc8 25. h4 0-0 26. a4 bxa4 27. Nxd4 cxd4 28. Ra1 Bc6 29. Re5 Bb5 30. Ra2 Rc3 31. Be2 Rfc8 32. Bd1 a3 33. Re4 Bc6 34. Rxd4 Bd5 35. Rxd5 exd5 36. Bxh5 Rb8 37. Bf3 Rb2 38. Ra1 d4 39. Bd5 Rbxc2 40. Bc4 a5 41. Kh3 Kf8 42. g4 Rxc4 43. dxc4 Rxc4 44. Kg3 Ke7 45. Kf4 Rc3 46. Ke4 d3 47. Kd4 Rb3 48. Kc4 a4 49. g5 d2 50. h5 Kf8 51. h6 gxh6 52. gxh6 a2 53. h7 Kg7 54. Rh1 Kh8 0-1

[Event "Concordia op 6th"]
[Site "Concordia"]
[Date "2022.10.12"]
[Round "1"]
[White "Gruner, Bernardo Faik"]
[Black "Bittencourt, Arian G Decezare"]
[Result "0-1"]
[ECO "C50"]
[BlackElo "1460"]
[PlyCount "36"]
[EventDate "2022.10.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 Bc5 5. 0-0 d6 6. d3 Bg4 7. Bg5 Nd4 8. Nxd4 Bxd1 9. Raxd1 Bxd4 10. Nb5 Bb6 11. d4 exd4 12. Nxd4 Qe7 13. Nf3 0-0-0 14. Bb5 h6 15. Bf4 g5 16. Nxg5 hxg5 17. Bxg5 Qe5 18. Bxf6 Qxh2# 0-1

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.27"]
[Round "6"]
[White "Bittencourt, Arian G Decezare"]
[Black "Da Cunha, Gabriela Goes"]
[Result "0-1"]
[ECO "D40"]
[WhiteElo "1316"]
[BlackElo "1723"]
[PlyCount "41"]
[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. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. Bf4 0-0 8. Be2 dxc4 9. Bxc4 Nc6 10. a3 a6 11. 0-0 b5 12. Ba2 Bd7 13. d5 exd5 14. Nxd5 Nxd5 15. Bxd5 Bf6 16. Qd2 Bxb2 17. Rad1 Bf6 18. Qc1 Qc8 19. Bd6 Rd8 20. Qf4 Na5 21. Ba2 0-1

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.27"]
[Round "5"]
[White "Da Silva, Joao Carlos Orguim"]
[Black "Bittencourt, Arian G Decezare"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "1794"]
[BlackElo "1316"]
[PlyCount "75"]
[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. c4 c5 3. Nc3 g6 4. d3 Bg7 5. g3 Ne7 6. Bg2 0-0 7. Nge2 f5 8. 0-0 Nbc6 9. Be3 d6 10. Qd2 Nd4 11. Bh6 fxe4 12. dxe4 Nf3+ 13. Bxf3 Rxf3 14. Bxg7 Kxg7 15. Kg2 Rf6 16. Nd5 Nxd5 17. Qxd5 Rb8 18. h3 Be6 19. Qd3 Qd7 20. Ng1 Rbf8 21. f3 g5 22. g4 h5 23. Ne2 Qf7 24. Ng3 hxg4 25. hxg4 Bxc4 26. Nh5+ Kg6 27. Qa3 Bxf1+ 28. Rxf1 Re6 29. Qxa7 Ree8 30. Qb6 Rd8 31. Ng3 Rd7 32. Nf5 Qxa2 33. Rh1 Rxf5 34. gxf5+ Kg7 35. Qb5 Re7 36. Qb6 Qa6 37. Qd8 Qe2+ 38. Kg3 1-0

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.25"]
[Round "2"]
[White "Bittencourt, Arian G Decezare"]
[Black "Ferreira, Jose Carlos"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "1316"]
[BlackElo "1736"]
[PlyCount "88"]
[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. e4 c5 2. Nc3 Nc6 3. Bb5 g6 4. Bxc6 dxc6 5. Nf3 Bg7 6. d3 e5 7. h3 f6 8. Be3 b6 9. Qd2 Be6 10. 0-0 Qc7 11. a4 Bf8 12. Ne2 Rd8 13. Qc3 Qe7 14. b4 c4 15. Rab1 cxd3 16. cxd3 Rc8 17. a5 b5 18. Nh2 Qc7 19. Rbc1 Bh6 20. Bxh6 Nxh6 21. f4 0-0 22. fxe5 Qxe5 23. Qxe5 fxe5 24. Rxf8+ Kxf8 25. Nf3 Nf7 26. Rc5 Bb3 27. Kf2 Rd8 28. Ke3 Re8 29. Rxc6 Re6 30. Rxe6 Bxe6 31. d4 exd4+ 32. Nfxd4 Bd7 33. a6 Nd6 34. Nc3 Ke7 35. Kf4 h6 36. g4 Kd8 37. e5 Ne8 38. Ncxb5 Bc8 39. Nxa7 Bxa6 40. Nac6+ Kc7 41. Ne7 Bd3 42. Ke3 Bb1 43. Nb5+ Kd7 44. Na3 Ba2 1-0

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.25"]
[Round "3"]
[White "Landre, Geraldo Barbosa"]
[Black "Bittencourt, Arian G Decezare"]
[Result "0-1"]
[ECO "D14"]
[WhiteElo "1817"]
[BlackElo "1316"]
[PlyCount "100"]
[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 d5 2. c4 c6 3. cxd5 cxd5 4. Nf3 Nc6 5. Nc3 Nf6 6. Bf4 Bf5 7. e3 e6 8. Bb5 Bd6 9. Ne5 Bxe5 10. Bxc6+ bxc6 11. Bxe5 0-0 12. Bxf6 Qxf6 13. 0-0 Rab8 14. Na4 Qg6 15. Qd2 Bd3 16. Rfd1 Bc2 17. Nc5 Bxd1 18. Rxd1 Rfc8 19. b3 Re8 20. Nd7 Rbc8 21. Ne5 Qf5 22. g4 Qg5 23. f4 Qh4 24. Qf2 Qxf2+ 25. Kxf2 c5 26. Ke2 cxd4 27. exd4 Rc2+ 28. Rd2 Rec8 29. Nd3 Kf8 30. Nc5 R8xc5 31. dxc5 Rxc5 32. Kd3 Ke7 33. g5 Kd6 34. Kd4 Rc1 35. a3 Re1 36. Rf2 Rd1+ 37. Kc3 f6 38. Rf3 fxg5 39. fxg5 Rc1+ 40. Kd2 Rc7 41. Rf1 e5 42. h4 g6 43. b4 d4 44. a4 Kd5 45. b5 Ke4 46. Rf6 Kd5 47. Ra6 e4 48. Rf6 e3+ 49. Kd1 d3 50. Rf8 e2+ 0-1

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.24"]
[Round "1"]
[White "Haraguchi, Diego Sashaki"]
[Black "Bittencourt, Arian G Decezare"]
[Result "1-0"]
[ECO "D34"]
[WhiteElo "1953"]
[BlackElo "1316"]
[PlyCount "62"]
[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 d5 2. Nf3 Nf6 3. g3 Bf5 4. Bg2 e6 5. 0-0 c5 6. c4 Nc6 7. cxd5 exd5 8. Nc3 Be7 9. dxc5 0-0 10. Bg5 d4 11. Na4 h6 12. Bf4 Qd7 13. Rc1 Rad8 14. Qb3 Be6 15. Qa3 Nd5 16. Bd2 b5 17. b4 Bf6 18. Nb2 Rfe8 19. Nd3 Bh3 20. Rfe1 Bxg2 21. Kxg2 Re6 22. Nf4 Nxf4+ 23. Bxf4 Rde8 24. Rc2 d3 25. Rd2 Rxe2 26. Qxd3 Qxd3 27. Rxd3 Nxb4 28. Rb3 Nxa2 29. Rxb5 Nc3 30. Rb8 Kh7 31. c6 Nd5 1-0

[Event "BRA-ch U20"]
[Site "Concordia"]
[Date "2021.10.03"]
[Round "6"]
[White "Bittencourt, Arian G Decezare"]
[Black "Primo, Ricardo de Lima"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "1301"]
[PlyCount "112"]
[EventDate "2021.09.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. Nc3 g6 6. d3 Bg7 7. 0-0 e6 8. Re1 Nc6 9. Ne2 Nge7 10. c3 0-0 11. d4 cxd4 12. cxd4 d5 13. e5 f6 14. exf6 Rxf6 15. Bg5 Rf7 16. Qd2 Nf5 17. Bf4 Re8 18. Ne5 Nxe5 19. Bxe5 Bh6 20. f4 Nd6 21. Bxd6 Qxd6 22. g3 e5 23. dxe5 Rxe5 24. fxe5 Qb6+ 25. Qd4 Be3+ 26. Qxe3 Qxe3+ 27. Kh1 Rf2 28. Nf4 Qd2 29. Rf1 Rxh2+ 30. Kg1 g5 31. Rad1 Qxb2 32. Rb1 Qxa2 33. Ra1 gxf4 34. Rxa2 Rxa2 35. gxf4 Kf7 36. f5 Re2 37. Rb1 b6 38. e6+ Kf6 39. Rf1 a5 40. Rf4 Re4 41. Rf2 a4 42. Rh2 Kxf5 43. Rxh7 Rxe6 44. Kg2 b5 45. Rh5+ Ke4 46. Kf2 Kd3 47. Rxd5+ Kc4 48. Rd8 a3 49. Ra8 Kb3 50. Ra5 a2 51. Rxb5+ Ka4 52. Rb8 Ra6 53. Kf3 a1Q 54. Ke4 Qe1+ 55. Kd5 Qe6+ 56. Kd4 Qd6+ 0-1

[Event "BRA-ch U20"]
[Site "Concordia"]
[Date "2021.10.02"]
[Round "4"]
[White "Bittencourt, Arian G Decezare"]
[Black "Kulkamp, Victor Silva"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1301"]
[BlackElo "1737"]
[PlyCount "120"]
[EventDate "2021.09.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bc4 Bb4 5. 0-0 0-0 6. d3 h6 7. Nd5 Be7 8. Nxe7+ Qxe7 9. Re1 Na5 10. b3 c6 11. Qd2 Nxc4 12. bxc4 d6 13. h3 Be6 14. Bb2 Rad8 15. Qe2 Nh5 16. Nh2 Nf4 17. Qe3 Qg5 18. Qg3 Qxg3 19. fxg3 Nh5 20. g4 Nf4 21. Nf1 g6 22. Kh2 Bc8 23. c5 dxc5 24. Bxe5 Ne6 25. Ne3 f6 26. Bb2 b5 27. Rad1 b4 28. Nc4 Ba6 29. Nd2 Nd4 30. Bxd4 cxd4 31. Nb3 Rfe8 32. Rf1 Kg7 33. h4 Re5 34. Rf2 Rd6 35. Rdf1 c5 36. Nd2 Re7 37. h5 Bc8 38. Kg3 gxh5 39. gxh5 Re5 40. Nc4 Rg5+ 41. Kh2 Rxh5+ 42. Kg1 Ra6 43. e5 f5 44. Nd6 Be6 45. Ne8+ Kf7 46. Nf6 Rg5 47. Ne4 Kg6 48. Nxc5 Rc6 49. Nb3 Bxb3 50. axb3 Re6 51. Re2 Rg4 52. Ra1 Kf7 53. Rxa7+ Re7 54. Ra6 Rg6 55. Ra5 Rge6 56. Kf2 Kg6 57. Rd5 f4 58. Rxd4 Rxe5 59. Rxe5 Rxe5 60. Rxb4 Rc5 1-0

[Event "BRA-ch U20"]
[Site "Concordia"]
[Date "2021.10.02"]
[Round "5"]
[White "Goncalves, Gustavo E De Olivei"]
[Black "Bittencourt, Arian G Decezare"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1750"]
[BlackElo "1301"]
[PlyCount "124"]
[EventDate "2021.09.30"]
[EventType "swiss"]
[EventRounds "6"]
[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 Bc5 4. c3 Nf6 5. d3 h6 6. a4 a5 7. 0-0 0-0 8. d4 exd4 9. cxd4 Bb4 10. d5 Ne7 11. Qd3 d6 12. h3 Ng6 13. Nc3 Re8 14. Re1 Nd7 15. Bb5 c6 16. dxc6 bxc6 17. Bxc6 Nde5 18. Nxe5 Nxe5 19. Qd5 Be6 20. Qb5 Bc4 21. Qb7 Rb8 22. Qxb8 Qxb8 23. Bxe8 Qxe8 24. Re3 Nd3 25. Rg3 Nxc1 26. Rxc1 Ba6 27. b3 Bb7 28. Nd5 Bxd5 29. exd5 Bc5 30. Rgc3 Qe5 31. Rxc5 dxc5 32. Rxc5 Qe1+ 33. Kh2 Qxf2 34. Rc8+ Kh7 35. Rc6 Qf4+ 36. Kh1 Qe4 37. Rc5 Qb1+ 38. Kh2 Qxb3 39. Rxa5 Qb4 40. Ra8 Qd6+ 41. Kh1 Qxd5 42. Ra7 Qb3 43. Ra8 f5 44. a5 Qb7 45. Re8 Qd7 46. Ra8 f4 47. Kg1 f3 48. gxf3 Qxh3 49. Kf2 Qh2+ 50. Ke1 Qe5+ 51. Kf2 Qb2+ 52. Kg3 Qb7 53. Re8 Qc7+ 54. Kg2 Qxa5 55. Re4 Kg6 56. Rg4+ Kf6 57. Re4 Kf5 58. Kg3 Qc7+ 59. Kg2 Qc2+ 60. Kg3 Qxe4 61. fxe4+ Kxe4 62. Kg4 g5 0-1

[Event "BRA-ch U20"]
[Site "Concordia"]
[Date "2021.10.01"]
[Round "2"]
[White "Bittencourt, Arian G Decezare"]
[Black "Ribeiro, Guilherme"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1301"]
[PlyCount "43"]
[EventDate "2021.09.30"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. Bc4 Nc6 4. d3 Nf6 5. Ng5 Be6 6. Nxe6 fxe6 7. Bxe6 Nd4 8. Bc4 h6 9. c3 c5 10. cxd4 cxd4 11. Bb5+ Ke7 12. 0-0 Qc8 13. f4 g5 14. fxe5 dxe5 15. Qf3 Bg7 16. Qf5 Qc7 17. Bc4 Qd6 18. Qg6 Rhf8 19. Qxg7+ Ke8 20. b3 a6 21. Ba3 Qd7 22. Qxf8# 1-0

[Event "BRA-ch U20"]
[Site "Concordia"]
[Date "2021.10.01"]
[Round "3"]
[White "De Abreu, Vinicius Lindoso"]
[Black "Bittencourt, Arian G Decezare"]
[Result "1-0"]
[ECO "D14"]
[WhiteElo "1634"]
[BlackElo "1301"]
[PlyCount "81"]
[EventDate "2021.09.30"]
[EventType "swiss"]
[EventRounds "6"]
[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. cxd5 cxd5 4. Nc3 Nf6 5. Bf4 Nc6 6. Nf3 Bf5 7. Qa4 a6 8. Ne5 Qb6 9. Nxc6 Qxb2 10. Ne5+ b5 11. Qd1 Qxc3+ 12. Bd2 Qxd4 13. Nf3 Qb2 14. e3 Bc2 15. Qc1 Qxc1+ 16. Rxc1 Be4 17. Be2 e6 18. 0-0 Ba3 19. Rc7 0-0 20. Bc1 Bb4 21. Bb2 Ba5 22. Rc5 Nd7 23. Rcc1 Nb6 24. Nd4 Rac8 25. Nc6 Bd2 26. Ne7+ Kh8 27. Nxc8 Bxc1 28. Rxc1 Rxc8 29. Bc3 Na4 30. Bxg7+ Kxg7 31. Rxc8 Kf6 32. Rc6 d4 33. Rxa6 d3 34. Bf3 Bd5 35. Bxd5 d2 36. Bb3 Ke5 37. Kf1 Nc5 38. Rb6 Nxb3 39. Ke2 Nc5 40. Rxb5 d1Q+ 41. Kxd1 1-0

[Event "BRA-ch U20"]
[Site "Concordia"]
[Date "2021.09.30"]
[Round "1"]
[White "Caetano, Ryan Wesley da Cost"]
[Black "Bittencourt, Arian G Decezare"]
[Result "1-0"]
[ECO "D12"]
[WhiteElo "2199"]
[BlackElo "1301"]
[PlyCount "75"]
[EventDate "2021.09.30"]
[EventType "swiss"]
[EventRounds "6"]
[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 Bf5 5. e3 e6 6. Be2 Bb4 7. 0-0 Nbd7 8. Bd2 0-0 9. a3 Ba5 10. Nh4 Bg6 11. Nxg6 fxg6 12. b4 Bc7 13. f4 h6 14. b5 Nh7 15. bxc6 bxc6 16. Qa4 Nb8 17. Bg4 Re8 18. Bf3 Ba5 19. Qc2 Bxc3 20. Bxc3 g5 21. Bh5 Rf8 22. Bg6 Nf6 23. fxg5 hxg5 24. Bb4 Nbd7 25. Bxf8 Qxf8 26. cxd5 cxd5 27. Qc6 Nb6 28. Qxe6+ Kh8 29. Rf3 g4 30. Rf5 Nc4 31. Raf1 Nd2 32. Rxf6 gxf6 33. Rxf6 Qxa3 34. Qe5 Kg8 35. Bh7+ Kxh7 36. Qh5+ Kg8 37. Qf7+ Kh8 38. Rh6# 1-0

[Event "Pan American-ch Hybrid U14 31st"]
[Site "Tornelo INT"]
[Date "2021.09.04"]
[Round "5"]
[White "Bittencourt, Arian G Decezare"]
[Black "Gillette, James"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1301"]
[BlackElo "1039"]
[PlyCount "135"]
[EventDate "2021.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[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 Bc5 4. d3 h6 5. Be3 Bb6 6. c3 d6 7. Nbd2 Nf6 8. Nf1 0-0 9. Ng3 Ng4 10. Bxb6 axb6 11. 0-0 Be6 12. Bb3 Bxb3 13. Qxb3 Ne7 14. h3 Nf6 15. Rfe1 Ng6 16. Rad1 Nf4 17. d4 Re8 18. dxe5 Qe7 19. exf6 Qxf6 20. Qb5 c6 21. Qf5 Qxf5 22. Nxf5 d5 23. exd5 Rf8 24. dxc6 bxc6 25. a3 c5 26. Ne5 b5 27. Nd7 Rfe8 28. Nxh6+ Kh7 29. Nxf7 Ne2+ 30. Kf1 Nf4 31. Rxe8 Rxe8 32. Nxc5 Kg6 33. Nd6 Rd8 34. Rd4 Nh5 35. Nxb5 Re8 36. Rg4+ Kh6 37. Nd6 Rf8 38. Ne6 Rf6 39. Nxg7 Nxg7 40. Ne4 Re6 41. Rh4+ Kg6 42. Rg4+ Kh6 43. Ng5 Rf6 44. Nf3 Nh5 45. c4 Ng7 46. c5 Nh5 47. Rc4 Rc6 48. Nd4 Rc8 49. c6 Nf6 50. Nf5+ Kg6 51. Ne7+ Kf7 52. Nxc8 Ke6 53. Nb6 Ne8 54. c7 Nxc7 55. Rxc7 Kd6 56. Rc4 Ke5 57. a4 Kd6 58. a5 Ke5 59. a6 Kd6 60. a7 Ke5 61. a8Q Kd6 62. Qd5+ Ke7 63. Re4+ Kf6 64. Nd7+ Kg6 65. Rg4+ Kh6 66. Qe6+ Kh7 67. Nf8+ Kh8 68. Rg8# 1-0

[Event "Pan American-ch Hybrid U14 31st"]
[Site "Tornelo INT"]
[Date "2021.09.04"]
[Round "6"]
[White "Bittencourt, Arian G Decezare"]
[Black "Ilasaca Gaona, Owen Hisahito"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1301"]
[PlyCount "78"]
[EventDate "2021.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. Be2 Nc6 5. d3 Be7 6. 0-0 d6 7. Re1 Nf6 8. Bg5 0-0 9. Bf1 Qc7 10. Ne2 h6 11. Bxf6 Bxf6 12. c3 b5 13. Qd2 Bb7 14. Ng3 Kh7 15. d4 g6 16. Rad1 cxd4 17. cxd4 Rac8 18. Rc1 Qb6 19. e5 dxe5 20. dxe5 Bg7 21. Bd3 Rfd8 22. Rcd1 Rd5 23. Qf4 Rcd8 24. Bc2 Qc7 25. Rxd5 Rxd5 26. Be4 Bxe5 27. Nxe5 Rxe5 28. Nh5 Qe7 29. Nf6+ Kg7 30. Ng4 Qg5 31. Qf3 Nd4 32. Qc3 Qxg4 33. Qxd4 Qf4 34. g3 Qf6 35. f3 Bxe4 36. Rxe4 Rxe4 37. Qxf6+ Kxf6 38. fxe4 Ke5 39. Kf2 Kxe4 0-1

[Event "Pan American-ch Hybrid U14 31st"]
[Site "Tornelo INT"]
[Date "2021.09.04"]
[Round "2"]
[White "Bittencourt, Arian G Decezare"]
[Black "Terence, Melvin"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1301"]
[BlackElo "1082"]
[PlyCount "118"]
[EventDate "2021.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[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 Bc5 4. d3 Nf6 5. Nc3 h6 6. Be3 Bb6 7. Qd2 d6 8. a3 0-0 9. 0-0-0 Ng4 10. h3 Nxe3 11. fxe3 Be6 12. Bxe6 fxe6 13. Rdf1 Rf6 14. g4 Qe7 15. h4 Raf8 16. Rh3 R6f7 17. Nd1 d5 18. g5 h5 19. c3 d4 20. exd4 exd4 21. c4 e5 22. Qe2 Qe6 23. Rg3 Rf4 24. Rg2 Ne7 25. Rh2 Ng6 26. Rff2 Qf7 27. Rh3 c5 28. b3 Bc7 29. a4 Nxh4 30. Rxh4 Rxf3 31. Rfh2 g6 32. Rg2 Qd7 33. Nf2 Bd8 34. Qd2 Qe7 35. Rh1 Qf7 36. Nh3 Rf1+ 37. Rxf1 Qxf1+ 38. Kc2 Qa1 39. Rg1 Qa2+ 40. Kc1 Qxb3 41. Qc2 Qxc2+ 42. Kxc2 Rf3 43. Rh1 Rg3 44. Nf2 Rg2 45. Rf1 Bxg5 46. Kb1 Be3 47. Nd1 h4 48. a5 a6 49. Ka1 Rg1 50. Nxe3 Rxf1+ 51. Nxf1 g5 52. Nh2 Kg7 53. Ng4 h3 54. Kb2 Kg6 55. Nxe5+ Kh5 56. Nf3 g4 57. Nh2 g3 58. Nf3 h2 59. Nxh2 gxh2 0-1

[Event "Pan American-ch Hybrid U14 31st"]
[Site "Tornelo INT"]
[Date "2021.09.04"]
[Round "8"]
[White "Bittencourt, Arian G Decezare"]
[Black "Villalta, Diego"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "1301"]
[BlackElo "1277"]
[PlyCount "59"]
[EventDate "2021.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. Nc3 Bg7 4. d3 e6 5. Be2 Ne7 6. h3 0-0 7. Be3 b6 8. Qd2 d5 9. exd5 exd5 10. d4 Nf5 11. 0-0-0 Nxe3 12. fxe3 c4 13. g4 f5 14. g5 Qd6 15. h4 Bd7 16. h5 b5 17. hxg6 hxg6 18. Bf1 b4 19. Ne2 a5 20. Nf4 Nc6 21. Ne5 Ne7 22. Qh2 Rfe8 23. Qh7+ Kf8 24. Nfxg6+ Nxg6 25. Nxg6+ Kf7 26. Ne5+ Kf8 27. Rh6 Be6 28. Rf6+ Ke7 29. Qxg7+ Kd8 30. Nf7+ 1-0

[Event "Pan American-ch Hybrid U14 31st"]
[Site "Tornelo INT"]
[Date "2021.09.04"]
[Round "9"]
[White "Caldas, Raphael Cavalcanti"]
[Black "Bittencourt, Arian G Decezare"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1628"]
[BlackElo "1301"]
[PlyCount "63"]
[EventDate "2021.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[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 Bc5 4. c3 Nf6 5. d3 d6 6. Nbd2 0-0 7. 0-0 Bg4 8. h3 Bh5 9. Kh2 Qd7 10. Qe2 Ne7 11. g4 Bg6 12. Rg1 Kh8 13. Nf1 c6 14. Ng3 Bb6 15. Nf5 Bc7 16. h4 Bxf5 17. gxf5 d5 18. Bb3 Nxf5 19. exf5 e4+ 20. Kh1 exf3 21. Qxf3 Ne8 22. f6 Nxf6 23. Bh6 Ne8 24. Rae1 Qd6 25. Bxg7+ Nxg7 26. Qg2 Qg6 27. Qf3 Qh5 28. Qf6 Rg8 29. Re7 Bd8 30. Qxg7+ Rxg7 31. Re8+ Rg8 32. Rgxg8# 1-0

[Event "Pan American-ch Hybrid U14 31st"]
[Site "Tornelo INT"]
[Date "2021.09.04"]
[Round "7"]
[White "Clark, Tarquin"]
[Black "Bittencourt, Arian G Decezare"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "1025"]
[BlackElo "1301"]
[PlyCount "102"]
[EventDate "2021.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bc4 Qg6 8. 0-0 Qxe4 9. Nb5 0-0 10. Nxc7 Rb8 11. Bxc5 Qxc4 12. Bxe7 Nxe7 13. Re1 Nf5 14. Qd5 Qxc7 15. Qxf5 d6 16. Qg5 b6 17. Re7 Qc5 18. Qxc5 bxc5 19. b3 Rb7 20. Re3 Be6 21. c4 Rd7 22. Nc3 Rfd8 23. Rd1 g6 24. Red3 f5 25. Nb5 a6 26. Nc3 Kf7 27. Na4 h5 28. Nb6 Re7 29. f3 Rde8 30. Rxd6 Kg7 31. Nd5 Bxd5 32. R6xd5 Re2 33. Rxc5 Rxa2 34. Rc7+ Kh6 35. Ra7 Ree2 36. Rc1 Rxg2+ 37. Kf1 Rxh2 38. Kg1 Rhb2 39. c5 Rxb3 40. c6 Rbb2 41. Ra8 Rc2 42. Rxc2 Rxc2 43. Rxa6 Kg5 44. Kf1 h4 45. Kg1 Kf4 46. c7 g5 47. Ra4+ Kg3 48. Kf1 Rxc7 49. Ra5 Rf7 50. Ra2 h3 51. Kg1 Rc7 0-1

[Event "Pan American-ch Hybrid U14 31st"]
[Site "Tornelo INT"]
[Date "2021.09.04"]
[Round "1"]
[White "De Albuquerque, Ian Telek C"]
[Black "Bittencourt, Arian G Decezare"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "1923"]
[BlackElo "1301"]
[PlyCount "61"]
[EventDate "2021.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[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 Bf5 5. Bg5 Nbd7 6. e3 e6 7. Bd3 Bxd3 8. Qxd3 Be7 9. 0-0 0-0 10. Rab1 a5 11. b3 h6 12. Bh4 Nh7 13. Bg3 Ndf6 14. h3 Nh5 15. Bh2 Bd6 16. Ne5 f5 17. c5 Bxe5 18. Bxe5 N5f6 19. f3 Ng5 20. b4 axb4 21. Rxb4 Rf7 22. Rfb1 Qc8 23. Na4 Ra6 24. Nb6 Qd8 25. Qb3 Ra7 26. Ra4 Rxa4 27. Qxa4 Nd7 28. Nxd7 Qxd7 29. Qa8+ Rf8 30. Qxb7 Qe8 31. Qxg7# 1-0

[Event "Pan American-ch Hybrid U14 31st"]
[Site "Tornelo INT"]
[Date "2021.09.04"]
[Round "4"]
[White "Janampa Javier, Brandon Daniel"]
[Black "Bittencourt, Arian G Decezare"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1146"]
[BlackElo "1301"]
[PlyCount "59"]
[EventDate "2021.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[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 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb4+ 9. Nbd2 Bg4 10. Qa4 0-0 11. 0-0 Nxd2 12. Nxd2 Bxd2 13. Bxd2 Ne7 14. f3 Bf5 15. Be2 Ng6 16. g4 Bd7 17. Qb3 Bc8 18. Bb4 Re8 19. f4 c6 20. f5 Qg5 21. fxg6 hxg6 22. Qg3 f6 23. h4 Qh6 24. g5 fxg5 25. hxg5 Qh3 26. Qxh3 Bxh3 27. Rf4 Bf5 28. Bg4 Be4 29. Bd7 Red8 30. Be6+ 1-0

[Event "Pan American-ch Hybrid U14 31st"]
[Site "Tornelo INT"]
[Date "2021.09.04"]
[Round "3"]
[White "La Fleur, Juninho"]
[Black "Bittencourt, Arian G Decezare"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1312"]
[BlackElo "1301"]
[PlyCount "106"]
[EventDate "2021.09.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "NET"]
[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 Bc5 4. Nc3 d6 5. d3 Nf6 6. Bg5 h6 7. Bxf6 Qxf6 8. Nd5 Qd8 9. c3 Bd7 10. 0-0 0-0 11. d4 exd4 12. cxd4 Bb4 13. a3 Ba5 14. b4 Bb6 15. Re1 Ne7 16. Nxb6 axb6 17. d5 Ng6 18. Qd3 Qf6 19. Qe3 Rfe8 20. b5 Re7 21. Ra2 Bg4 22. h3 Bxf3 23. Qxf3 Qg5 24. Qg4 Qf6 25. Re3 Rae8 26. Bf1 Ne5 27. Qg3 Nd7 28. f3 Qd4 29. Qf2 f5 30. Rae2 Nc5 31. Kh1 f4 32. Rd2 Qxe3 33. Qxe3 fxe3 34. Re2 Ra8 35. Rxe3 Ra4 36. g4 Rd4 37. h4 Rd2 38. g5 hxg5 39. hxg5 Re5 40. g6 Rg5 41. f4 Rxg6 42. e5 Rxd5 43. Bc4 c6 44. Bxd5+ cxd5 45. exd6 Rxd6 46. Re8+ Kf7 47. Re3 d4 48. Re1 d3 49. Rd1 Ne4 50. Kg2 d2 51. Kf3 Nc3 52. Rg1 d1Q+ 53. Rxd1 Nxd1 0-1

[Event "BRA-ch U16"]
[Site "Florianopolis"]
[Date "2021.07.04"]
[Round "6"]
[White "Moreira, Nickolas Misturini"]
[Black "Bittencourt, Arian G Decezare"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "1800"]
[BlackElo "1322"]
[PlyCount "130"]
[EventDate "2021.07.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 d6 5. c3 Bg4 6. h3 h5 7. d3 Bxf3 8. Qxf3 Nf6 9. Be3 Qe7 10. b4 Bb6 11. a4 0-0-0 12. a5 Bxe3 13. fxe3 Rh6 14. b5 Nb8 15. b6 axb6 16. axb6 c6 17. Nd2 g5 18. Qf5+ Qd7 19. Qxd7+ Rxd7 20. Rf5 Re7 21. Rxg5 d5 22. exd5 cxd5 23. Bb3 Nc6 24. e4 dxe4 25. Nxe4 Nxe4 26. dxe4 Rd6 27. Bd5 Kd7 28. Rf5 Nd8 29. Rb1 Ne6 30. Bxe6+ Rdxe6 31. Rxh5 Rc6 32. Rb3 Rc4 33. Rh4 Re6 34. Kf2 Kc6 35. Ke3 Rd6 36. g4 Rd1 37. Ke2 Rg1 38. Rh6+ Kd7 39. Kd3 Rc8 40. Ra3 Rg3+ 41. Ke2 Rc6 42. Rxc6 Kxc6 43. Ra8 Rxh3 44. Rf8 Rg3 45. Rxf7 Rxg4 46. Kf3 Rh4 47. Re7 Kxb6 48. Rxe5 Rh3+ 49. Kf4 Rxc3 50. Rd5 Rc1 51. e5 Kc6 52. Rd3 Rf1+ 53. Kg5 Re1 54. Kf6 Kc7 55. e6 Rf1+ 56. Ke7 b6 57. Rc3+ Kb7 58. Ke8 Re1 59. Ke7 Rf1 60. Rc4 Re1 61. Kd6 Rd1+ 62. Ke7 Re1 63. Rf4 Kc7 64. Rf6 Re2 65. Kf7 Kd8 1/2-1/2

[Event "BRA-ch U16"]
[Site "Florianopolis"]
[Date "2021.07.03"]
[Round "5"]
[White "Bittencourt, Arian G Decezare"]
[Black "Cardoso, Lucas Emanuel Alves"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "1322"]
[BlackElo "1318"]
[PlyCount "70"]
[EventDate "2021.07.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. 0-0 Ngf6 6. Re1 Qc7 7. d3 e6 8. Bf4 Ne5 9. c3 Be7 10. d4 Nxf3+ 11. Qxf3 cxd4 12. cxd4 0-0 13. Nc3 a6 14. e5 Nd7 15. Qg3 dxe5 16. dxe5 Rfd8 17. Ne4 Nf8 18. Bg5 Bxg5 19. Qxg5 Ng6 20. Nd6 Nxe5 21. Qxe5 Qxd6 22. Qe4 Qd5 23. Qb4 h6 24. g3 Rac8 25. Re3 Rc2 26. Rb3 Qd2 27. Qb6 Rd6 28. Qa7 Rc1+ 29. Rxc1 Qxc1+ 30. Kg2 Qc6+ 31. Kf1 Qc1+ 32. Kg2 Qc6+ 33. Kf1 b5 34. h4 Rd2 35. f3 Qc1# 0-1

[Event "BRA-ch U16"]
[Site "Florianopolis"]
[Date "2021.07.03"]
[Round "4"]
[White "Oliveira, Isaac Rodrigues"]
[Black "Bittencourt, Arian G Decezare"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1254"]
[BlackElo "1322"]
[PlyCount "76"]
[EventDate "2021.07.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Nxe4 8. Bxb4 Nxb4 9. Bxf7+ Kxf7 10. Qb3+ d5 11. Ne5+ Ke7 12. Qxb4+ Qd6 13. Qxd6+ Nxd6 14. Nc3 c6 15. 0-0 Re8 16. a4 a5 17. f4 Bf5 18. Rae1 Kf8 19. g4 Be4 20. Nxe4 Nxe4 21. Nd7+ Kg8 22. Nc5 Nxc5 23. dxc5 Kf7 24. Rxe8 Rxe8 25. Kf2 Re4 26. b3 Rxf4+ 27. Ke2 Rxf1 28. Kxf1 Ke6 29. Ke2 d4 30. Kd3 Kd5 31. h4 Kxc5 32. g5 b5 33. h5 bxa4 34. bxa4 Kd5 35. Kd2 c5 36. Ke1 Ke4 37. h6 g6 38. Kd2 c4 0-1

[Event "BRA-ch U16"]
[Site "Florianopolis"]
[Date "2021.07.02"]
[Round "3"]
[White "Bittencourt, Arian G Decezare"]
[Black "Da Costa, Rodrigo Von Zuben"]
[Result "1/2-1/2"]
[ECO "B14"]
[WhiteElo "1322"]
[BlackElo "1036"]
[PlyCount "64"]
[EventDate "2021.07.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 e6 5. Nc3 Nf6 6. Bg5 Be7 7. Nf3 Nc6 8. cxd5 exd5 9. Bb5 h6 10. Bh4 0-0 11. h3 a6 12. Ba4 b5 13. Bc2 Be6 14. a3 Qb6 15. 0-0 a5 16. Qd3 Rfc8 17. Bxf6 Bxf6 18. Nxb5 Rab8 19. a4 Nb4 20. Qh7+ Kf8 21. Bf5 Bxf5 22. Qxf5 Rc2 23. Rab1 Re8 24. b3 Ree2 25. Rbe1 Rxe1 26. Rxe1 Qc6 27. Qh7 g6 28. Ne5 Bxe5 29. Rxe5 Rc1+ 30. Kh2 Rh1+ 31. Kxh1 Qc1+ 32. Kh2 Qf4+ 1/2-1/2

[Event "BRA-ch U16"]
[Site "Florianopolis"]
[Date "2021.07.02"]
[Round "2"]
[White "Monauer, Caique"]
[Black "Bittencourt, Arian G Decezare"]
[Result "1-0"]
[ECO "C54"]
[BlackElo "1322"]
[PlyCount "121"]
[EventDate "2021.07.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 d6 5. c3 Bg4 6. d3 Nf6 7. Qb3 Qd7 8. Nbd2 0-0 9. Bb5 a6 10. Bxc6 bxc6 11. Qc2 Rae8 12. b4 Bb6 13. Bb2 d5 14. c4 Bd4 15. Nxd4 exd4 16. cxd5 cxd5 17. Bxd4 Nh5 18. Bc5 Re6 19. f3 Bh3 20. gxh3 Rg6+ 21. Kh1 Qxh3 22. Rg1 Ng3+ 23. Rxg3 Rxg3 24. Nf1 Rxf3 25. Qg2 Rd8 26. Qxh3 Rxh3 27. Kg2 Rxd3 28. exd5 R8xd5 29. Re1 f6 30. a4 Ra3 31. a5 Ra2+ 32. Kh1 c6 33. Re3 Ra1 34. Kg2 Ra2+ 35. Kg1 Rg5+ 36. Rg3 Rf5 37. Ne3 Re5 38. Rg2 Ra3 39. Kf2 g6 40. Rg1 Rh5 41. Ng4 Ra2+ 42. Ke3 Kf7 43. Re1 Rh3+ 44. Kf4 g5+ 45. Ke4 Rd2 46. Re3 Rh4 47. Kf3 f5 48. Re7+ Kg8 49. Nf6+ Kh8 50. Ke3 Rdxh2 51. Bd6 R4h3+ 52. Kd4 Rd2+ 53. Kc5 Rc2+ 54. Kb6 Rcc3 55. Be5 Rce3 56. Nd7+ Kg8 57. Rg7+ Kh8 58. Rxg5+ Rxe5 59. Nxe5 h5 60. Rxf5 Rh4 61. Ng6+ 1-0

[Event "BRA-ch U16"]
[Site "Florianopolis"]
[Date "2021.07.01"]
[Round "1"]
[White "Bittencourt, Arian G Decezare"]
[Black "Lima, Vinicius Taishun"]
[Result "0-1"]
[ECO "B31"]
[WhiteElo "1322"]
[BlackElo "1802"]
[PlyCount "108"]
[EventDate "2021.07.01"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 203 Extra"]
[Source "ChessBase"]
[SourceDate "2021.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. Re1 e5 6. Nc3 Nd4 7. Nxd4 cxd4 8. Nd5 Nf6 9. Bc4 0-0 10. d3 Nxd5 11. Bxd5 d6 12. f4 Qh4 13. Rf1 Bg4 14. Qe1 Qxe1 15. Rxe1 Rac8 16. Bb3 Be6 17. Bxe6 fxe6 18. fxe5 Rxc2 19. exd6 Rff2 20. d7 Rxg2+ 21. Kh1 Rxh2+ 22. Kg1 Rcg2+ 23. Kf1 Bf6 24. Bf4 Rf2+ 25. Kg1 Rhg2+ 26. Kh1 Bd8 27. Rac1 Kf7 28. Bd6 e5 29. Bxe5 Ke6 30. Bxd4 Rh2+ 31. Kg1 Rfg2+ 32. Kf1 Kxd7 33. Bg1 Bb6 34. Bxh2 Rxh2 35. Rb1 Bd4 36. a4 g5 37. b4 g4 38. Rb3 Rf2+ 39. Kg1 Rb2+ 40. Kh1 Rxb3 41. Rf1 Ke7 42. Rf4 Rb1+ 43. Kg2 Rg1+ 44. Kh2 Be5 45. Kxg1 Bxf4 46. Kg2 h5 47. b5 h4 48. d4 h3+ 49. Kh1 g3 50. a5 g2+ 51. Kg1 Be3+ 52. Kh2 g1Q+ 53. Kxh3 Bf2 54. d5 Qg3# 0-1

[Event "Santa Catarina-ch 64th "]
[Site "Lages"]
[Date "2020.02.16"]
[Round "6"]
[White "Bittencourt, Arian G Decezare"]
[Black "Martins, Henrique Da Cunha"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "1216"]
[BlackElo "1520"]
[PlyCount "134"]
[EventDate "2020.02.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bc4 Nf6 4. Nc3 e6 5. d3 Nc6 6. Bf4 Be7 7. Qd2 a6 8. a4 d5 9. exd5 exd5 10. Bb3 0-0 11. 0-0 h6 12. Rfe1 Be6 13. Ba2 Nh5 14. h3 Nxf4 15. Qxf4 Bd6 16. Qd2 Bc7 17. Ne2 Qd6 18. Ng3 b5 19. c3 Rab8 20. d4 c4 21. Bb1 b4 22. Qc2 g6 23. Qd2 Kg7 24. Ne5 Nxe5 25. dxe5 Qe7 26. Qc2 Qg5 27. Qe2 Rb7 28. Qe3 Qxe3 29. Rxe3 bxc3 30. bxc3 Rfb8 31. Bc2 Rb2 32. Rc1 Ra2 33. Ne2 Bb6 34. Rf3 Bc5 35. Nd4 Bxd4 36. cxd4 Rbb2 37. Bd1 Bf5 38. h4 Bg4 39. Rf6 Bxd1 40. Rxd1 Rxa4 41. Rd6 Ra5 42. Rd7 Kf8 43. g4 Rab5 44. f4 c3 45. Rc7 Rb1 46. Rxb1 Rxb1+ 47. Kf2 Rb2+ 48. Ke1 Rc2 49. f5 a5 50. f6 Ke8 51. Kd1 Rd2+ 52. Kc1 Rxd4 53. Re7+ Kf8 54. Rc7 Rc4 55. Rd7 Ke8 56. Re7+ Kd8 57. Rxf7 Re4 58. Ra7 Ke8 59. Re7+ Kf8 60. e6 d4 61. Kc2 Re2+ 62. Kc1 d3 63. Rf7+ Ke8 64. Re7+ Kd8 65. Rd7+ Kc8 66. Rxd3 Rxe6 67. Rf3 Re8 1/2-1/2

[Event "Santa Catarina-ch 64th "]
[Site "Lages"]
[Date "2020.02.15"]
[Round "4"]
[White "Bittencourt, Arian G Decezare"]
[Black "Moretto, Heitor Frainer"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1216"]
[BlackElo "1518"]
[PlyCount "58"]
[EventDate "2020.02.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 Nf6 5. Bg5 Be7 6. Nc3 dxc4 7. Bxc4 0-0 8. Nf3 Nbd7 9. 0-0 Nb6 10. Bb3 Bg4 11. h3 Bh5 12. Qd3 c6 13. Ne5 Qd6 14. Bf4 Nfd5 15. Bg3 Qd8 16. Rfe1 f6 17. Nc4 Bf7 18. Nxb6 Nxb6 19. Bc2 Bg6 20. Qe2 Bxc2 21. Qxc2 Bd6 22. Bxd6 Qxd6 23. Rad1 Rfe8 24. Qb3+ Kf8 25. Rxe8+ Rxe8 26. d5 cxd5 27. Nxd5 Nxd5 28. Qxd5 Re1+ 29. Rxe1 Qxd5 0-1

[Event "Concordia op 5th"]
[Site "Concordia"]
[Date "2019.05.05"]
[Round "9"]
[White "Bittencourt, Arian G Decezare"]
[Black "Couto, Januario Pereira Do"]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "1102"]
[BlackElo "1420"]
[PlyCount "24"]
[EventDate "2019.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Bg5 g6 4. e3 Bg7 5. Nc3 d6 6. Nf3 Nbd7 7. Be2 0-0 8. 0-0 Qe8 9. h3 h6 10. Bxf6 Bxf6 11. Qd2 Bg7 12. Nd5 Qd8 1-0

[Event "Concordia op 5th"]
[Site "Concordia"]
[Date "2019.05.04"]
[Round "7"]
[White "Bittencourt, Arian G Decezare"]
[Black "Helbing, Ivacir"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1102"]
[BlackElo "1440"]
[PlyCount "86"]
[EventDate "2019.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 e6 2. e4 d5 3. exd5 exd5 4. c4 Nf6 5. Nc3 Bb4 6. a3 Bxc3+ 7. bxc3 0-0 8. Nf3 Re8+ 9. Be2 dxc4 10. 0-0 Be6 11. Bg5 Nbd7 12. Rb1 Rb8 13. Ne5 Nxe5 14. dxe5 Qxd1 15. Bxd1 Ne4 16. Bf4 Nxc3 17. Rc1 Nxd1 18. Rfxd1 Rbd8 19. Bg5 Rd5 20. f4 c6 21. Rb1 Rxd1+ 22. Rxd1 Bd5 23. Rb1 b5 24. a4 a6 25. axb5 axb5 26. Ra1 Rb8 27. Be7 h6 28. f5 b4 29. Rb1 b3 30. Ba3 Ra8 31. Bc1 c3 32. Kf2 b2 33. Bxb2 cxb2 34. Rxb2 Ra2 35. Rxa2 Bxa2 36. Ke3 Kf8 37. Kd4 Ke7 38. g3 g6 39. fxg6 fxg6 40. h4 Ke6 41. g4 h5 42. g5 Bd5 43. Ke3 Kxe5 0-1

[Event "Concordia op 5th"]
[Site "Concordia"]
[Date "2019.05.04"]
[Round "8"]
[White "Pessoa, Kailane Marca"]
[Black "Bittencourt, Arian G Decezare"]
[Result "0-1"]
[ECO "C50"]
[BlackElo "1102"]
[PlyCount "56"]
[EventDate "2019.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. Nc3 d6 6. d3 h6 7. Be3 Bb6 8. d4 Bg4 9. h3 Bxf3 10. Qxf3 exd4 11. Bxd4 Nxd4 12. Qg3 0-0 13. Rac1 c6 14. Bd3 d5 15. exd5 Nxd5 16. Nxd5 Qxd5 17. a3 Rfe8 18. Rfe1 Rac8 19. Rxe8+ Rxe8 20. b3 c5 21. Qf4 Ne2+ 22. Bxe2 Rxe2 23. c4 Qe4 24. Qxe4 Rxe4 25. f3 Re3 26. g4 Rxb3 27. Kg2 Rxa3 28. Kg3 Re3 0-1

[Event "Concordia op 5th"]
[Site "Concordia"]
[Date "2019.05.03"]
[Round "5"]
[White "Bittencourt, Arian G Decezare"]
[Black "De Rossi, Lucas Boeing"]
[Result "1-0"]
[ECO "E20"]
[WhiteElo "1102"]
[PlyCount "57"]
[EventDate "2019.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 d5 5. a3 Bxc3 6. Bxc3 b6 7. e3 0-0 8. Nf3 Bb7 9. Bd3 h6 10. 0-0 Nbd7 11. b4 dxc4 12. Bxc4 Ne4 13. Bb2 Ng5 14. Be2 a5 15. b5 Rc8 16. a4 Nxf3+ 17. Bxf3 Bxf3 18. Qxf3 Re8 19. Rfd1 Qf6 20. Qg4 c5 21. bxc6 Nb8 22. Rd2 Nxc6 23. d5 Qg6 24. Qxg6 fxg6 25. dxc6 Rxc6 26. Rd7 e5 27. f4 Rc4 28. Bxe5 Rxe5 29. fxe5 1-0

[Event "Concordia op 5th"]
[Site "Concordia"]
[Date "2019.05.03"]
[Round "6"]
[White "Silva, Richard Santana"]
[Black "Bittencourt, Arian G Decezare"]
[Result "1-0"]
[ECO "A17"]
[WhiteElo "1459"]
[BlackElo "1102"]
[PlyCount "113"]
[EventDate "2019.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. d3 Bb4 4. e4 c5 5. Nge2 Nc6 6. g3 d5 7. Bd2 d4 8. Nb5 a6 9. Na3 Qa5 10. Nc2 0-0 11. Nxb4 Nxb4 12. Nc1 Bd7 13. a3 Ba4 14. b3 Bc6 15. Na2 Nxd3+ 16. Bxd3 Qxa3 17. Nb4 Qb2 18. Ra2 Qxa2 19. Nxa2 Nxe4 20. Bxe4 Bxe4 21. f3 Bc6 22. 0-0 e5 23. Bg5 h6 24. Be7 Rfe8 25. Bxc5 Rad8 26. Nb4 f5 27. Nxc6 bxc6 28. Re1 d3 29. Kf2 e4 30. fxe4 fxe4 31. Ke3 Re6 32. Qg4 Ree8 33. Kd2 Re5 34. Be3 Rb8 35. Bxh6 Re7 36. Bg5 Rf7 37. Qxe4 Rf2+ 38. Kxd3 c5 39. Qd5+ Kh7 40. Qxc5 Rxb3+ 41. Kd4 Rff3 42. Be3 Rf7 43. Qh5+ Kg8 44. Qd5 Rbb7 45. Rf1 Rbd7 46. Rxf7 Rxd5+ 47. Kxd5 Kxf7 48. Kd6 Ke8 49. c5 Kd8 50. c6 g6 51. h4 a5 52. g4 a4 53. h5 gxh5 54. gxh5 a3 55. h6 Kc8 56. h7 a2 57. h8Q# 1-0

[Event "Concordia op 5th"]
[Site "Concordia"]
[Date "2019.05.02"]
[Round "3"]
[White "Bittencourt, Arian G Decezare"]
[Black "Nascimento, Heitor M Barbieri"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1102"]
[PlyCount "29"]
[EventDate "2019.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. Nc3 Nf6 5. d3 0-0 6. Bg5 h6 7. Bh4 d6 8. h3 Nh7 9. Bxe7 Nxe7 10. 0-0 Ng6 11. Nd5 Bd7 12. d4 Ng5 13. dxe5 dxe5 14. Re1 Ne7 15. Nxe5 1-0

[Event "Concordia op 5th"]
[Site "Concordia"]
[Date "2019.05.02"]
[Round "4"]
[White "Machado, Luiz Fernando"]
[Black "Bittencourt, Arian G Decezare"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1526"]
[BlackElo "1102"]
[PlyCount "57"]
[EventDate "2019.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Nxe4 8. Bxb4 Nxb4 9. Bxf7+ Kxf7 10. Qb3+ d5 11. Qxb4 Re8 12. 0-0 Kg8 13. Nc3 Bg4 14. Ne5 c5 15. Qxb7 cxd4 16. Qf7+ Kh8 17. Qf4 Nxc3 18. Nf7+ Kg8 19. bxc3 Qd7 20. Ne5 Qc7 21. cxd4 Bh5 22. Rac1 Qa5 23. Rc2 Qa4 24. Rc7 Qxa2 25. Qg5 Bg6 26. Nxg6 Re1 27. Rxe1 Qa5 28. Rce7 Qb4 29. Qxd5# 1-0

[Event "Concordia op 5th"]
[Site "Concordia"]
[Date "2019.05.01"]
[Round "1"]
[White "Bittencourt, Arian G Decezare"]
[Black "Prior, Marciane"]
[Result "0-1"]
[ECO "D07"]
[WhiteElo "1102"]
[BlackElo "1867"]
[PlyCount "40"]
[EventDate "2019.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. Nc3 Nf6 4. Nf3 a6 5. e3 Bf5 6. Be2 e6 7. 0-0 Bd6 8. Qb3 0-0 9. Bd2 Na5 10. Qa4 Nxc4 11. Bxc4 dxc4 12. Qxc4 b5 13. Qb3 b4 14. Ne2 Be4 15. Ng5 Bd5 16. Qc2 Bxh2+ 17. Kxh2 Ng4+ 18. Kg1 Qxg5 19. e4 Qh5 20. f3 Qh2# 0-1

[Event "Concordia op 5th"]
[Site "Concordia"]
[Date "2019.05.01"]
[Round "2"]
[White "Lazzarin, Luiz Henrique"]
[Black "Bittencourt, Arian G Decezare"]
[Result "1-0"]
[ECO "D50"]
[WhiteElo "1556"]
[BlackElo "1102"]
[PlyCount "93"]
[EventDate "2019.05.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d5 3. Nc3 e6 4. Bg5 h6 5. Bh4 Nc6 6. cxd5 exd5 7. e3 Bg4 8. Qb3 Bb4 9. Bb5 Qd6 10. Bg3 Qe7 11. a3 Bxc3+ 12. Qxc3 Qd7 13. Bxc6 bxc6 14. Rc1 0-0 15. Qxc6 Qf5 16. Qxc7 Qh5 17. h3 Bf5 18. Qe7 Bg4 19. Qc7 Rfe8 20. Bh2 Bf5 21. Qc6 Bd3 22. g4 Qh4 23. Bg3 Qg5 24. Be5 Rab8 25. b4 Re6 26. Qc7 Rbe8 27. Ne2 Qh4 28. Bg3 Qg5 29. f4 Qg6 30. f5 Bxf5 31. gxf5 Qxf5 32. Qf4 Qh5 33. Qh4 Rxe3 34. Qxh5 Nxh5 35. Be5 f6 36. Kd2 Re4 37. Ng3 Nxg3 38. Bxg3 Rxd4+ 39. Kc3 Rde4 40. Rcd1 Re3+ 41. Rd3 d4+ 42. Kxd4 R8e4+ 43. Kc3 f5 44. Rf1 g6 45. Bf4 Re2 46. Bxh6 Ra2 47. Kb3 1-0

[Event "BRA-ch U12"]
[Site "Florianopolis"]
[Date "2019.04.21"]
[Round "6"]
[White "Bahi, Guilherme Falcao"]
[Black "Bittencourt, Arian G Decezare"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1167"]
[BlackElo "1800"]
[PlyCount "18"]
[EventDate "2019.04.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 d6 5. Ng5 Qxg5 6. d4 Qxg2 7. Qh5 Qxh1+ 8. Ke2 g6 9. Qh4 Nxd4+ 0-1

[Event "BRA-ch U12"]
[Site "Florianopolis"]
[Date "2019.04.21"]
[Round "5"]
[White "Bittencourt, Arian G Decezare"]
[Black "Maia, Gabriel Cesar Marti"]
[Result "1-0"]
[ECO "C58"]
[WhiteElo "1800"]
[BlackElo "1783"]
[PlyCount "26"]
[EventDate "2019.04.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Ba4 h6 9. Nf3 e4 10. Ne5 Qd4 11. Nxc6 Bc5 12. Nxd4+ Bd7 13. Bxd7+ Nxd7 1-0

[Event "BRA-ch U12"]
[Site "Florianopolis"]
[Date "2019.04.20"]
[Round "4"]
[White "Bittencourt, Arian G Decezare"]
[Black "Raifur, Gabriel Henrique Ch"]
[Result "0-1"]
[ECO "E20"]
[WhiteElo "1800"]
[BlackElo "1264"]
[PlyCount "64"]
[EventDate "2019.04.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 c5 5. e3 cxd4 6. exd4 Nc6 7. a3 Ba5 8. b4 Bc7 9. Nf3 a6 10. Bd3 0-0 11. 0-0 h6 12. Re1 Ne7 13. Ne4 Nxe4 14. Bxe4 f5 15. Bc2 b6 16. Rc1 Bb7 17. Bb3 Rb8 18. Be3 Ng6 19. d5 Qe8 20. dxe6 dxe6 21. c5 Rd8 22. Qc2 Bxf3 23. gxf3 Nh4 24. Kh1 b5 25. Bd2 Nxf3 26. Bxe6+ Kh8 27. Bxh6 Qh5 28. Bxg7+ Kxg7 29. Rg1+ Nxg1 30. Rxg1+ Kf6 31. Qc3+ Be5 32. Rg6+ Qxg6 0-1

[Event "BRA-ch U12"]
[Site "Florianopolis"]
[Date "2019.04.20"]
[Round "3"]
[White "Da Silva, Giovanni B Tavares"]
[Black "Bittencourt, Arian G Decezare"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1528"]
[BlackElo "1800"]
[PlyCount "42"]
[EventDate "2019.04.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. c4 c6 5. Nf3 Bg4 6. Nc3 Nf6 7. Be3 Bd6 8. Be2 0-0 9. cxd5 cxd5 10. Qb3 Bc7 11. Qxb7 Nbd7 12. Nxd5 Nxd5 13. Qxd5 Re8 14. 0-0 Qb8 15. h3 Be6 16. Qb5 Qd8 17. d5 Rb8 18. Qd3 Bxd5 19. Qxd5 Rxb2 20. Bc4 Nf6 21. Qxd8 Rxd8 1-0

[Event "BRA-ch U12"]
[Site "Florianopolis"]
[Date "2019.04.19"]
[Round "2"]
[White "Flesch, Gustavo Henrique"]
[Black "Bittencourt, Arian G Decezare"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "1281"]
[BlackElo "1800"]
[PlyCount "103"]
[EventDate "2019.04.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Bc5 6. 0-0 Nf6 7. d3 h6 8. Nc3 d6 9. Be3 Ba7 10. Nd5 Bg4 11. Nxf6+ Qxf6 12. Bd5 Bd7 13. Qd2 Rc8 14. Bxc6 Bxc6 15. Bxa7 0-0 16. Be3 d5 17. Bc5 Rfd8 18. Qb4 dxe4 19. dxe4 a5 20. Qxa5 Bxe4 21. Qc3 Qg6 22. Rfe1 Rd5 23. Qe3 f5 24. Bb4 Rcd8 25. Nh4 Qg4 26. f3 Qxh4 27. fxe4 fxe4 28. Qxe4 Qg5 29. Bc3 c5 30. Bxe5 Rd2 31. Bf4 Rxg2+ 32. Qxg2 Qxf4 33. Re7 Qf6 34. Rae1 Qd4+ 35. Kh1 Rd5 36. Re8+ Kh7 37. Qe4+ Qxe4+ 38. R1xe4 Rd2 39. Re2 Rd5 40. R2e5 Rd2 41. Rxc5 b4 42. Re4 Rd1+ 43. Kg2 Ra1 44. Rxb4 Rxa2 45. Rb7 Ra6 46. b4 Rg6+ 47. Kh3 Re6 48. Rcc7 Re3+ 49. Kg4 Re4+ 50. Kf3 Rh4 51. Rxg7+ Kh8 52. Rgc7 1-0

[Event "BRA-ch U12"]
[Site "Florianopolis"]
[Date "2019.04.18"]
[Round "1"]
[White "Bittencourt, Arian G Decezare"]
[Black "Haraguchi, Diego Sashaki"]
[Result "0-1"]
[ECO "D94"]
[WhiteElo "1800"]
[BlackElo "1472"]
[PlyCount "45"]
[EventDate "2019.04.18"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 190 Extra"]
[Source "ChessBase"]
[SourceDate "2019.07.15"]
[SourceVersion "1"]
[SourceVersionDate "2019.07.15"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. e3 0-0 6. Bd2 c5 7. Be2 Nc6 8. 0-0 Bg4 9. h3 cxd4 10. Nxd4 Bxe2 11. Qxe2 Ne5 12. b3 dxc4 13. bxc4 Rc8 14. Rab1 b6 15. Ncb5 a6 16. Na3 Nc6 17. Nac2 Ne4 18. Rfd1 Qc7 19. Bc1 Nc3 20. Qd3 Nxb1 21. Bb2 Ne5 22. Qe4 Nd2 23. Qh4 0-1

