[Event "BRA-ch U26"]
[Site "Cuiaba"]
[Date "2016.11.06"]
[Round "6"]
[White "Da Costa, Ronaldo Silva"]
[Black "Silva, Caio Marques"]
[Result "0-1"]
[ECO "B40"]
[PlyCount "68"]
[EventDate "2016.11.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 e6 3. Nf3 a6 4. Rg1 Nc6 5. Nc3 Qc7 6. Ng5 Nf6 7. d3 b5 8. Bb3 Bb7 9. Rh1 Nd4 10. g3 Rc8 11. Bf4 d6 12. Rc1 Qd7 13. a3 Nxb3 14. cxb3 Be7 15. f3 e5 16. Be3 h6 17. Nxf7 Kxf7 18. a4 d5 19. axb5 d4 20. bxa6 Bxa6 21. Ra1 Bb7 22. Bd2 dxc3 23. Bxc3 Rhd8 24. Bxe5 Qxd3 25. Qe2 Qxb3 26. Rb1 Rd3 27. Rf1 Re3 28. Rf2 Ba6 29. Rd1 Bxe2 30. Rxe2 Rxe2+ 31. Kxe2 Rd8 32. Rb1 Qd3+ 33. Kf2 Qc2+ 34. Ke3 Qd2# 0-1

[Event "BRA-ch U26"]
[Site "Cuiaba"]
[Date "2016.11.06"]
[Round "7"]
[White "Da Silva, Francisco Iran Sant"]
[Black "Da Costa, Ronaldo Silva"]
[Result "1-0"]
[ECO "A40"]
[PlyCount "73"]
[EventDate "2016.11.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. d4 e6 2. c4 Bb4+ 3. Bd2 Na6 4. Nf3 Nf6 5. e3 Ne4 6. Bd3 Nxd2 7. Nbxd2 d6 8. a3 Bxd2+ 9. Nxd2 0-0 10. Qh5 h6 11. Nf3 Nb8 12. h4 Nd7 13. Qg4 Nf6 14. Qg3 c6 15. e4 Nh5 16. Qh2 Qa5+ 17. b4 Qd8 18. 0-0 e5 19. d5 Nf4 20. Bc2 Ne2+ 21. Kh1 Bg4 22. Nd2 Qe8 23. f3 Bxf3 24. gxf3 Qd8 25. Qxe2 Qxh4+ 26. Qh2 Qd8 27. Rg1 Qf6 28. Rg2 Rac8 29. Rag1 g6 30. Qxh6 Qg7 31. Qh3 Rc7 32. Rh2 Re7 33. Rg4 cxd5 34. cxd5 b5 35. Rh4 Rc7 36. Rh8+ Qxh8 37. Qxh8# 1-0

[Event "BRA-ch U26"]
[Site "Cuiaba"]
[Date "2016.11.05"]
[Round "5"]
[White "Da Costa, Ronaldo Silva"]
[Black "Pinheiro, Breno Linhares"]
[Result "0-1"]
[ECO "C20"]
[BlackElo "1587"]
[PlyCount "60"]
[EventDate "2016.11.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. e4 e5 2. Qh5 Nf6 3. Qh4 Be7 4. Qg5 0-0 5. Qxe5 Nc6 6. Qg5 Nxe4 7. d3 Nxg5 8. Bxg5 Nd4 9. c3 Nc2+ 10. Kd1 Nxa1 11. d4 d5 12. Bd3 g6 13. Bh6 Re8 14. Nf3 Bg4 15. Nbd2 Bg5 16. Bxg5 Qxg5 17. Bb5 c6 18. Ba4 Bxf3+ 19. gxf3 Qe7 20. h3 Qe2+ 21. Kc1 Qxf2 22. Rd1 Qg3 23. Kb1 b5 24. Kxa1 bxa4 25. Rf1 Re1+ 26. Rxe1 Qxe1+ 27. Nb1 Rb8 28. f4 Qe2 29. b4 axb3 30. a4 Qa2# 0-1

[Event "BRA-ch U26"]
[Site "Cuiaba"]
[Date "2016.11.05"]
[Round "4"]
[White "Monteiro Neto, Vandir Ferreira"]
[Black "Da Costa, Ronaldo Silva"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1956"]
[PlyCount "37"]
[EventDate "2016.11.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. e4 d6 2. d4 e6 3. Nf3 Nf6 4. Bg5 h6 5. Bh4 Be7 6. Nc3 0-0 7. Bd3 b6 8. Qd2 d5 9. 0-0-0 dxe4 10. Nxe4 Qd5 11. Bxf6 Qxa2 12. c3 Re8 13. Bxe7 Rxe7 14. Rhe1 Bd7 15. Bb1 Qb3 16. Qc2 Qd5 17. Nf6+ gxf6 18. Qh7+ Kf8 19. Qh8# 1-0

[Event "BRA-ch U26"]
[Site "Cuiaba"]
[Date "2016.11.04"]
[Round "2"]
[White "Da Costa, Ronaldo Silva"]
[Black "Barros, Benone Gabriel Carv"]
[Result "0-1"]
[ECO "D05"]
[BlackElo "1702"]
[PlyCount "46"]
[EventDate "2016.11.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. e3 c5 4. Be2 Nc6 5. 0-0 d5 6. Bb5 Bd7 7. Be2 Be7 8. Nh4 g5 9. Nf3 g4 10. Ng5 h6 11. Nxf7 Kxf7 12. b3 h5 13. Ba3 cxd4 14. exd4 Qg8 15. c3 Qg7 16. b4 Rag8 17. b5 Nd8 18. Qc1 h4 19. Bb4 g3 20. fxg3 hxg3 21. hxg3 Qxg3 22. Qa3 Rh1+ 23. Kxh1 Qxg2# 0-1

[Event "BRA-ch U26"]
[Site "Cuiaba"]
[Date "2016.11.03"]
[Round "1"]
[White "Da Costa, Rafael Felix Ribeir"]
[Black "Da Costa, Ronaldo Silva"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "1906"]
[PlyCount "89"]
[EventDate "2016.11.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 175 Extra"]
[Source "ChessBase"]
[SourceDate "2016.12.12"]
[SourceVersion "1"]
[SourceVersionDate "2016.12.12"]
[SourceQuality "1"]

1. Nf3 e6 2. g3 d6 3. Bg2 Nc6 4. 0-0 e5 5. d3 Nf6 6. c4 Ng4 7. Nc3 Be7 8. Qb3 0-0 9. Nd2 Nf6 10. e3 Bf5 11. Qxb7 Bxd3 12. Bxc6 Bxf1 13. Qxa8 Qxa8 14. Bxa8 Rxa8 15. Kxf1 Ng4 16. Nd5 Bd8 17. h3 Nh2+ 18. Kg2 Nf3 19. Nxf3 c6 20. Nb4 c5 21. Nd5 e4 22. Nd2 Ba5 23. Nxe4 Rd8 24. Bd2 Bb6 25. Nxb6 axb6 26. Nc3 Re8 27. Nd5 Rb8 28. a4 h6 29. Bc3 Kh8 30. a5 bxa5 31. Rxa5 Re8 32. Ra7 Kg8 33. Rd7 g6 34. Nf6+ Kf8 35. Nxe8 Kxe8 36. Ra7 h5 37. Kf3 g5 38. Bf6 g4+ 39. Ke4 gxh3 40. Kd5 h2 41. Ra1 h1Q+ 42. Rxh1 Kf8 43. Rxh5 Ke8 44. Kxd6 Kf8 45. Rh8# 1-0

