[Event "BRA-ch U16"]
[Site "Juiz de Fora"]
[Date "2019.04.21"]
[Round "6"]
[White "Costa, Joao Wagner Macedo"]
[Black "Salim, Joao Pedro Miranda"]
[Result "0-1"]
[ECO "C01"]
[BlackElo "1495"]
[PlyCount "82"]
[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. Nc3 Nf6 5. Bg5 Be7 6. Qe2 0-0 7. 0-0-0 Bf5 8. Re1 Nc6 9. Nf3 h6 10. Bf4 a6 11. a3 b5 12. Na2 Re8 13. Be3 Qb8 14. Ne5 Nxe5 15. dxe5 Nd7 16. f4 b4 17. axb4 Bxb4 18. Bd2 Bxd2+ 19. Qxd2 Qb7 20. Qb4 Qc6 21. Qc3 Qb6 22. Bd3 Bxd3 23. Qxd3 Rab8 24. Qa3 c5 25. Nc3 Qc6 26. g4 Rb4 27. Rhf1 Reb8 28. f5 Re8 29. e6 fxe6 30. fxe6 Rxe6 31. Rxe6 Qxe6 32. h3 Ne5 33. Nd1 Nc4 34. Qf3 Ra4 35. Nc3 Ra1+ 36. Nb1 Qe5 37. Qf8+ Kh7 38. Qf5+ Qxf5 39. gxf5 Rxb1+ 40. Kxb1 Nd2+ 41. Ka2 Nxf1 0-1

[Event "BRA-ch U16"]
[Site "Juiz de Fora"]
[Date "2019.04.20"]
[Round "5"]
[White "Costa, Joao Wagner Macedo"]
[Black "De Abreu, Nathan Benigno Ponc"]
[Result "1-0"]
[ECO "C01"]
[BlackElo "1235"]
[PlyCount "57"]
[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. Nc3 Nf6 5. Bg5 Be7 6. Nf3 h6 7. Bh4 0-0 8. Bd3 Re8 9. 0-0 c5 10. Bxf6 Bxf6 11. dxc5 Nc6 12. a3 Bg4 13. h3 Bh5 14. g4 Bg6 15. Bxg6 fxg6 16. Qxd5+ Qxd5 17. Nxd5 Bxb2 18. Rab1 Ne5 19. Rxb2 Nxf3+ 20. Kg2 Nd2 21. Rd1 Re2 22. c3 Rf8 23. Rbxd2 Rfxf2+ 24. Kg3 Rxd2 25. Re1 Rxd5 26. Kxf2 Rxc5 27. Re3 Kf7 28. Ke2 b6 29. Kd2 1-0

[Event "BRA-ch U16"]
[Site "Juiz de Fora"]
[Date "2019.04.19"]
[Round "3"]
[White "Costa, Joao Wagner Macedo"]
[Black "Seccafim, Caic Dos Santos"]
[Result "0-1"]
[ECO "C01"]
[BlackElo "1888"]
[PlyCount "34"]
[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. Qe2+ Be6 5. Nc3 Nc6 6. Nf3 Qd7 7. Bf4 Bb4 8. Qb5 a6 9. Qxb7 Ra7 10. Ne5 Rxb7 11. Nxd7 Bxd7 12. Bxa6 Ra7 13. Bb5 Nxd4 14. Bxd7+ Kxd7 15. Rd1 Bxc3+ 16. bxc3 Ne6 17. Be3 Ra3 0-1

[Event "BRA-ch U16"]
[Site "Juiz de Fora"]
[Date "2019.04.19"]
[Round "2"]
[White "Marques, Leandro Henrique da"]
[Black "Costa, Joao Wagner Macedo"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1486"]
[PlyCount "72"]
[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 Nd4 4. c3 Nxf3+ 5. Qxf3 Qf6 6. Qg3 Bc5 7. 0-0 d6 8. d3 h6 9. Nd2 Ne7 10. Nb3 Bb6 11. Be3 Ng6 12. Bxb6 axb6 13. d4 c6 14. d5 b5 15. Be2 Nf4 16. Qe3 Bh3 17. Bf3 Qg5 18. g3 Bxf1 19. Kxf1 Ng6 20. Qb6 Qf6 21. Qxb7 0-0 22. dxc6 Qxf3 23. c7 Rac8 24. a4 b4 25. Rc1 Qd3+ 26. Ke1 Qc4 27. cxb4 Qxb3 28. a5 Qa4 29. a6 Qd7 30. a7 Ra8 31. b5 Ne7 32. b6 Qc8 33. Qxc8 Nxc8 34. b7 Nxa7 35. Ra1 Rac8 36. bxc8Q Nxc8 0-1

[Event "BRA-ch U16"]
[Site "Juiz de Fora"]
[Date "2019.04.18"]
[Round "1"]
[White "Costa, Joao Wagner Macedo"]
[Black "Taira, Erick Hideki"]
[Result "0-1"]
[ECO "B22"]
[BlackElo "1861"]
[PlyCount "92"]
[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 c5 2. c3 d5 3. exd5 Qxd5 4. Qf3 Qxf3 5. Nxf3 Nf6 6. d4 e6 7. Ne5 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Nxd2 Ke7 11. Bb5 a6 12. Ba4 b5 13. Bb3 Bb7 14. 0-0 Nbd7 15. Ndf3 Rac8 16. Rac1 h6 17. Nxd7 Nxd7 18. Ne5 Rhd8 19. Rc2 Rxc2 20. Bxc2 Nxe5 21. dxe5 Rd2 22. Rc1 Bd5 23. b3 Re2 24. f3 Rxe5 25. Kf2 Bb7 26. Bd3 Rd5 27. Rc7+ Rd7 28. Rxd7+ Kxd7 29. Ke3 Bd5 30. Be4 Bxe4 31. Kxe4 Kd6 32. b4 f5+ 33. Kd3 e5 34. g3 Kd5 35. a3 e4+ 36. fxe4+ fxe4+ 37. Ke3 Ke5 38. Kd2 Kd4 39. h3 g6 40. g4 g5 41. Ke2 e3 42. Ke1 Kd3 43. Kd1 e2+ 44. Ke1 Ke3 45. h4 gxh4 46. g5 h3 0-1

