[Event "BRA-ch U12 24th"]
[Site "Santa Maria de Jetiba"]
[Date "2010.04.??"]
[Round "2"]
[White "Goncalves, Gabriel Silva"]
[Black "Souza, Isak"]
[Result "1-0"]
[ECO "B00"]
[PlyCount "13"]
[EventDate "2010.04.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 a5 2. d4 h5 3. h3 a4 4. a3 g5 5. Bc4 Bg7 6. Qf3 Bxd4 7. Qxf7# 1-0

[Event "BRA-ch U12 24th"]
[Site "Santa Maria de Jetiba"]
[Date "2010.04.??"]
[Round "1"]
[White "Souza, Isak"]
[Black "Barbalho, Gil Santos"]
[Result "0-1"]
[ECO "A00"]
[PlyCount "34"]
[EventDate "2010.04.02"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. h4 e5 2. g4 d5 3. a4 Nc6 4. Nc3 Be6 5. g5 Qe7 6. Nf3 0-0-0 7. Nxe5 Nxe5 8. Rh3 d4 9. a5 dxc3 10. dxc3 Rxd1+ 11. Kxd1 Qd7+ 12. Ke1 Bxh3 13. Bxh3 Qxh3 14. f3 Bc5 15. c4 Nxc4 16. h5 Qg3+ 17. Kd1 Qg1# 0-1

[Event "BRA North Region-ch"]
[Site "Boa Vista"]
[Date "2006.05.??"]
[Round "2"]
[White "Sousa, Clovis"]
[Black "Souza, Isak"]
[Result "1-0"]
[ECO "B01"]
[PlyCount "53"]
[EventDate "2006.05.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qe6+ 4. Be2 Qc6 5. Bb5 Bd7 6. Bxc6 Bxc6 7. Nf3 Bxf3 8. Qxf3 Nc6 9. 0-0 0-0-0 10. Qxf7 Nh6 11. Qe6+ Kb8 12. d3 Rd6 13. Qc4 e5 14. Nb5 Rf6 15. d4 a6 16. Nxc7 Kxc7 17. d5 b5 18. Qc3 Bb4 19. Qb3 Nd4 20. Qxb4 Rhf8 21. Bg5 R6f7 22. Be7 Rc8 23. Qd6+ Kb7 24. Bd8 Ng4 25. Qb6+ Ka8 26. Qxa6+ Ra7 27. Qxc8# 1-0

[Event "BRA North Region-ch"]
[Site "Boa Vista"]
[Date "2006.05.??"]
[Round "3"]
[White "Souza, Isak"]
[Black "Souza, Jurandir Araujo"]
[Result "0-1"]
[ECO "A80"]
[PlyCount "50"]
[EventDate "2006.05.05"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 f5 2. f3 Nf6 3. Nc3 e6 4. e4 fxe4 5. fxe4 Be7 6. e5 Nd5 7. Qf3 Nxc3 8. Qxc3 0-0 9. h4 Bxh4+ 10. g3 Bg5 11. Nf3 Bxc1 12. Rxc1 d6 13. Qb3 Nc6 14. d5 exd5 15. Qxd5+ Kh8 16. Bd3 Bf5 17. e6 Bxd3 18. Qxd3 h6 19. Nh4 Ne5 20. Qb3 Qf6 21. Rf1 Qxf1+ 22. Kd2 Rf2+ 23. Ke3 Re2+ 24. Kd4 Qxc1 25. Qxb7 Qd2# 0-1

