[Event "Pernambuco-ch 2020"]
[Site "Recife"]
[Date "2021.08.22"]
[Round "5.6"]
[White "Andrade, Roberto Luiz Costa"]
[Black "Do Nascimento, Isaias Antonio"]
[Result "1-0"]
[ECO "C14"]
[WhiteElo "2076"]
[PlyCount "44"]
[EventDate "2021.08.20"]
[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 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 a6 7. Qh5 h6 8. Be3 c5 9. dxc5 Bxc5 10. Bxc5 Nxc5 11. 0-0-0 b5 12. b4 Ncd7 13. f4 Nb6 14. Ne4 Qe7 15. Nd6+ Kf8 16. Rh3 Bd7 17. Rg3 g6 18. Qg4 a5 19. Qf3 Nc8 20. Qc3 Nb6 21. Nf3 Rg8 22. Ng5 f5 1-0

[Event "Pernambuco-ch 2020"]
[Site "Recife"]
[Date "2021.08.21"]
[Round "3.15"]
[White "Caldas, Raphael Cavalcanti"]
[Black "Do Nascimento, Isaias Antonio"]
[Result "0-1"]
[ECO "C01"]
[WhiteElo "1628"]
[PlyCount "89"]
[EventDate "2021.08.20"]
[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 e6 2. d4 d5 3. Be3 dxe4 4. Nd2 Nf6 5. f3 Nd5 6. Qe2 Nxe3 7. Qxe3 Nc6 8. c3 exf3 9. Ngxf3 Be7 10. Bd3 b6 11. 0-0 0-0 12. Qe4 f5 13. Qxc6 Bd7 14. Qc4 b5 15. Qb3 c5 16. dxc5 Bxc5+ 17. Kh1 Kh8 18. Ne5 Be3 19. Ndf3 Rf6 20. Rad1 Qe8 21. Nxd7 Qxd7 22. Bxb5 Qc7 23. Rd7 Qf4 24. Rfd1 Bb6 25. Bc6 Rb8 26. Qa4 Qe3 27. Qc2 e5 28. Qd2 Qxd2 29. R7xd2 Rxc6 30. Nxe5 Re6 31. Nd7 Rd8 32. c4 Ba5 33. Rd5 g6 34. Nc5 Rxd5 35. cxd5 Re8 36. d6 Kg7 37. d7 Rb8 38. b3 Kf7 39. Nb7 Bd8 40. Nxd8+ Rxd8 41. Kg1 Ke7 42. Kf2 Rxd7 43. Rxd7+ Kxd7 44. Ke3 g5 45. b4 0-1

[Event "Pernambuco-ch 2020"]
[Site "Recife"]
[Date "2021.08.21"]
[Round "4.13"]
[White "Do Nascimento, Isaias Antonio"]
[Black "Ferreira, Alexander da Silva"]
[Result "1-0"]
[ECO "C54"]
[BlackElo "1554"]
[PlyCount "50"]
[EventDate "2021.08.20"]
[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 d6 5. d3 Nf6 6. Bg5 0-0 7. 0-0 Be6 8. Bb5 a6 9. Ba4 b5 10. Bc2 Bg4 11. Nbd2 Qe7 12. Bb3 Nd8 13. Re1 c6 14. Rc1 Ne6 15. Bh4 Nf4 16. Bc2 Ng6 17. Bg5 h6 18. Be3 Nh5 19. d4 Ba7 20. h3 Bxf3 21. Nxf3 Nh4 22. Nxh4 Qxh4 23. f4 Qxe1+ 24. Qxe1 Nxf4 25. Bxf4 exf4 1-0

[Event "Pernambuco-ch 2020"]
[Site "Recife"]
[Date "2021.08.20"]
[Round "1.4"]
[White "Do Nascimento, Isaias Antonio"]
[Black "Urquiza, Marcello de Albuque"]
[Result "0-1"]
[ECO "B40"]
[BlackElo "2097"]
[PlyCount "76"]
[EventDate "2021.08.20"]
[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 e6 3. c4 d6 4. d3 Nf6 5. Bd2 Be7 6. Bc3 0-0 7. Be2 a6 8. 0-0 Nc6 9. Nbd2 Qc7 10. Qc2 Nd7 11. Rac1 b5 12. b3 Bb7 13. Rfe1 b4 14. Bb2 Bf6 15. g3 a5 16. Bf1 Ra7 17. a3 Rfa8 18. axb4 axb4 19. Rb1 Qa5 20. Qc1 Nde5 21. Nxe5 Bxe5 22. Bxe5 dxe5 23. Nf3 Qd8 24. Qe3 Nd4 25. Nxd4 Qxd4 26. Qxd4 exd4 27. Re2 Ra2 28. Kg2 Rxe2 29. Bxe2 Ra2 30. Kf1 f5 31. f3 g5 32. h3 h5 33. exf5 exf5 34. Re1 Kf7 35. g4 hxg4 36. fxg4 f4 37. Kg1 f3 38. Bf1 f2+ 0-1

