[Event "Santa Catarina State-ch U20"]
[Site "Itajai"]
[Date "2009.07.04"]
[Round "2"]
[White "Peroza, Marcos"]
[Black "Demczyszy, Igor"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "53"]
[EventDate "2009.07.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. 0-0 e6 6. Bf4 Nf6 7. c3 0-0 8. Qc1 Ne4 9. Nbd2 Qe8 10. Bxc7 Bh6 11. Nxe4 dxe4 12. Qxh6 exf3 13. Bxf3 Qe7 14. Bf4 Qf6 15. e4 Qg7 16. Qh4 g5 17. Bxg5 e5 18. Bh6 Qg6 19. Bxf8 Kxf8 20. d5 Ne7 21. Rad1 b6 22. d6 Nc6 23. d7 Ba6 24. d8Q+ Nxd8 25. Rxd8+ Rxd8 26. Qxd8+ Kg7 27. Rd1 1-0

[Event "Santa Catarina State-ch U20"]
[Site "Itajai"]
[Date "2009.07.03"]
[Round "1"]
[White "Demczyszy, Igor"]
[Black "Lorenzon, Eduardo Lucas"]
[Result "0-1"]
[ECO "E61"]
[PlyCount "72"]
[EventDate "2009.07.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. e3 e5 6. Nge2 d6 7. d4 c6 8. e4 exd4 9. Nxd4 d5 10. cxd5 cxd5 11. Bg5 dxe4 12. Nxe4 Qa5+ 13. Qd2 Qe5 14. f4 Nxe4 15. fxe5 Nxd2 16. Bxd2 Bxe5 17. Nb5 a6 18. Na3 Bxb2 19. Rb1 Bxa3 20. Bxb7 Bxb7 21. Rxb7 Nc6 22. Rb6 Nd4 23. Kf2 Bc5 24. Rb7 Nb3+ 25. Be3 Bxe3+ 26. Kxe3 Rfe8+ 27. Kf3 Nd4+ 28. Kg2 Re2+ 29. Kh3 Rae8 30. Rf1 Ne6 31. Kh4 Rxh2+ 32. Kg4 f5+ 33. Kf3 Nd4+ 34. Kf4 Re4+ 35. Kg5 h6+ 36. Kf6 Re6# 0-1

