[Event "BRA-ch U16"]
[Site "Florianopolis"]
[Date "2021.07.04"]
[Round "6"]
[White "Della Giustina, Daniel Oenning"]
[Black "De Sa, Arthur Chaul Maranh"]
[Result "1/2-1/2"]
[ECO "B83"]
[WhiteElo "1216"]
[PlyCount "56"]
[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 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Be3 Be7 7. Be2 Nc6 8. Nb3 0-0 9. 0-0 d5 10. h3 Nxe4 11. Nxe4 dxe4 12. Re1 Qc7 13. c3 a6 14. Qc2 f5 15. Nd4 f4 16. Bd2 Nxd4 17. Qxe4 Nxe2+ 18. Qxe2 b5 19. Qe4 Rf6 20. Qxa8 Kf7 21. Qf3 Bb7 22. Qh5+ Rg6 23. f3 Kg8 24. Qe5 Qb6+ 25. Kh1 Bd6 26. Qd4 Bc5 27. Qxf4 Bd6 28. Qd4 Bc5 1/2-1/2

[Event "BRA-ch U16"]
[Site "Florianopolis"]
[Date "2021.07.03"]
[Round "4"]
[White "Da Costa, Rodrigo Von Zuben"]
[Black "De Sa, Arthur Chaul Maranh"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1036"]
[PlyCount "111"]
[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. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be7 8. Be3 h5 9. Qd2 Be6 10. Nd5 Bxd5 11. exd5 Nbd7 12. 0-0-0 Qc7 13. Be2 Rc8 14. c3 b5 15. Kb1 Nb6 16. Bxb6 Qxb6 17. Qd3 Rb8 18. Rc1 a5 19. Nd2 Qb7 20. Rhd1 Qxd5 21. Ne4 Qxd3+ 22. Rxd3 Nxe4 23. fxe4 b4 24. Rd5 bxc3 25. Rxc3 Rh6 26. Rxa5 Rf6 27. g3 Rf2 28. Rc2 Bd8 29. Ra6 Rf6 30. Bxh5 Rh6 31. Be2 Ke7 32. Bc4 Rb7 33. Bd5 Rd7 34. a4 g6 35. a5 f5 36. exf5 gxf5 37. b4 f4 38. gxf4 exf4 39. b5 Rh5 40. Re2+ Kf8 41. Bc6 Rg7 42. Re8+ Kf7 43. Ra7+ Kg6 44. Rxg7+ Kxg7 45. Rxd8 Rc5 46. a6 Rxc6 47. bxc6 f3 48. Rxd6 Kf7 49. a7 Ke7 50. Rd1 f2 51. a8Q f1Q 52. Rxf1 Kd6 53. Qd8+ Kc5 54. Rf5+ Kb4 55. Qd4+ Kb3 56. Rf3# 1-0

[Event "BRA-ch U16"]
[Site "Florianopolis"]
[Date "2021.07.03"]
[Round "5"]
[White "De Sa, Arthur Chaul Maranh"]
[Black "Machado, Alessandro Mathias"]
[Result "0-1"]
[ECO "E14"]
[BlackElo "1549"]
[PlyCount "56"]
[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. d4 Nf6 2. c4 e6 3. Nc3 d5 4. e3 Be7 5. Nf3 0-0 6. Bd3 b6 7. 0-0 Bb7 8. Qc2 dxc4 9. Bxc4 Bxf3 10. gxf3 c5 11. dxc5 Bxc5 12. Ne4 Nxe4 13. Qxe4 Nd7 14. Kh1 Nf6 15. Qh4 Nd5 16. Qg4 Qf6 17. Rg1 Ne7 18. Rb1 Ng6 19. b4 Bd6 20. Bb2 Be5 21. Bxe5 Nxe5 22. Qe4 Qxf3+ 23. Qxf3 Nxf3 24. Rg3 Nd2 25. Rc1 Rac8 26. Rg4 b5 27. Rd1 Nxc4 28. Rd7 Ne5 0-1

[Event "BRA-ch U16"]
[Site "Florianopolis"]
[Date "2021.07.02"]
[Round "3"]
[White "De Sa, Arthur Chaul Maranh"]
[Black "Oliveira, Isaac Rodrigues"]
[Result "1-0"]
[ECO "E40"]
[BlackElo "1254"]
[PlyCount "51"]
[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. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 Ne4 5. Bd2 Nxd2 6. Qxd2 Nc6 7. a3 Be7 8. Bd3 d5 9. Nf3 Na5 10. Nxd5 Nb3 11. Qc3 Nxa1 12. Nf4 Bd7 13. 0-0 0-0 14. Rxa1 c5 15. Qc2 f5 16. Ne5 cxd4 17. exd4 Rc8 18. Qe2 Ba4 19. Nxe6 Qb6 20. Nxf8 Bxf8 21. Bxf5 Qxd4 22. Bxc8 Bd6 23. Be6+ Kf8 24. Qf3+ Ke8 25. Qf7+ Kd8 26. Qd7+ 1-0

[Event "BRA-ch U16"]
[Site "Florianopolis"]
[Date "2021.07.02"]
[Round "2"]
[White "Elesbao, Bernardo Dartora"]
[Black "De Sa, Arthur Chaul Maranh"]
[Result "1-0"]
[ECO "B90"]
[WhiteElo "1423"]
[PlyCount "57"]
[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. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 h5 7. Bg5 e6 8. Qd2 Nbd7 9. f4 b5 10. Bd3 Bb7 11. a3 e5 12. Nf5 Nb6 13. 0-0-0 d5 14. fxe5 dxe4 15. exf6 gxf6 16. Qe3 fxg5 17. Bxe4 Qf6 18. Bxb7+ Qe6 19. Qxe6+ fxe6 20. Nd6+ Bxd6 21. Rxd6 Nc4 22. Rxe6+ Kf7 23. Bd5 Kg7 24. Bxa8 Rxa8 25. Rf1 Rd8 26. Ne4 Ne3 27. Re7+ Kg8 28. Nf6+ Kh8 29. Rh7# 1-0

[Event "BRA-ch U16"]
[Site "Florianopolis"]
[Date "2021.07.01"]
[Round "1"]
[White "Albiero, Marco Antonio Batis"]
[Black "De Sa, Arthur Chaul Maranh"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "1559"]
[PlyCount "71"]
[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. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be6 8. 0-0 Be7 9. f4 Qb6+ 10. Kh1 0-0 11. Qe1 Qc6 12. f5 Bc8 13. Bf3 b5 14. a3 Nbd7 15. g4 g6 16. Bh6 Rd8 17. g5 Ne8 18. Qh4 Nc5 19. Nxc5 dxc5 20. Nd5 Rxd5 21. exd5 Qd6 22. fxg6 fxg6 23. Be4 Bb7 24. Rad1 Ng7 25. Bxg7 Kxg7 26. Qf2 Rf8 27. Qg2 Rd8 28. Rf3 Rd7 29. h4 c4 30. Qf2 Bd8 31. Rf1 Qe7 32. d6 Qe6 33. Bxb7 Rxb7 34. Qc5 e4 35. Qd4+ Kg8 36. Rf8# 1-0

