[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2023.08.27"]
[Round "4"]
[White "Dos Santos, Eduardo Matte Zanar"]
[Black "Jobim, Marcos Vinicios De"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1636"]
[BlackElo "1483"]
[PlyCount "78"]
[EventDate "2023.08.25"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nf3 Be7 8. Be2 0-0 9. 0-0 Nbd7 10. Bg5 h6 11. Bh4 Nc5 12. Nd2 Be6 13. Bf3 g5 14. Bg3 g4 15. Be2 h5 16. f4 Qb6 17. Bf2 exf4 18. Bd4 Qc6 19. Rxf4 Nh7 20. b4 Bg5 21. Rf2 Nd7 22. Kh1 Bf6 23. Bxf6 Nhxf6 24. Ra3 Qb6 25. Rf1 Qxb4 26. Qa1 Qd4 27. Bd3 Nc5 28. Qc1 Nh7 29. Ne2 Qb4 30. c3 Nxd3 31. cxb4 Nxc1 32. Rxc1 Rae8 33. h3 gxh3 34. Rg3+ Kh8 35. gxh3 Rg8 36. Rxg8+ Kxg8 37. Rg1+ Kf8 38. h4 Re7 39. Rd1 Bg4 0-1

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2023.08.27"]
[Round "5"]
[White "Machado, Jonas Roberto"]
[Black "Dos Santos, Eduardo Matte Zanar"]
[Result "0-1"]
[ECO "B47"]
[WhiteElo "1420"]
[BlackElo "1636"]
[PlyCount "52"]
[EventDate "2023.08.25"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. g3 Qc7 7. Bg2 Nf6 8. Bg5 Be7 9. Qd2 0-0 10. 0-0-0 d6 11. h4 Nxd4 12. Qxd4 Rb8 13. h5 e5 14. Qe3 Be6 15. Qf3 Rfc8 16. Bxf6 Bxf6 17. Rd2 Bg5 18. Bh3 Bxd2+ 19. Kxd2 Bxh3 20. Rxh3 b5 21. b4 Qc4 22. a3 Rb7 23. g4 Rbc7 24. g5 Qd4+ 25. Ke2 Rxc3 26. Qg4 Rxc2+ 0-1

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2023.08.26"]
[Round "2"]
[White "Almeida, Joao Pedro Santos"]
[Black "Dos Santos, Eduardo Matte Zanar"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1886"]
[BlackElo "1636"]
[PlyCount "63"]
[EventDate "2023.08.25"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. g3 Nc6 4. Bg2 Qc7 5. Nc3 a6 6. a4 Nf6 7. Qe2 d6 8. d3 Be7 9. Bf4 Nd4 10. Qd2 Nxf3+ 11. Bxf3 0-0 12. 0-0 Bd7 13. Rfe1 Bc6 14. a5 Rfb8 15. Na4 Bxa4 16. Rxa4 Nd7 17. Rb1 Bf6 18. c3 Ne5 19. Bg2 Nc6 20. d4 Nxa5 21. dxc5 e5 22. cxd6 Qd8 23. Be3 b6 24. Qd5 b5 25. Ra2 Nc4 26. Bc5 Rc8 27. Rba1 Rxc5 28. Qxc5 Nxd6 29. Rxa6 Rxa6 30. Rxa6 Nb7 31. Qc6 Qd1+ 32. Bf1 1-0

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2023.08.26"]
[Round "3"]
[White "Dos Santos, Eduardo Matte Zanar"]
[Black "Taketa, Raykon Shizuka"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1636"]
[BlackElo "1644"]
[PlyCount "55"]
[EventDate "2023.08.25"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. g3 Nf6 4. d3 a6 5. a4 e5 6. Bg2 Be7 7. 0-0 0-0 8. Nc3 h6 9. Be3 Be6 10. Ne2 Nc6 11. c3 Bd7 12. Qc2 b5 13. axb5 axb5 14. h3 Qc7 15. Nd2 Be6 16. d4 exd4 17. cxd4 Nb4 18. Qc3 Na2 19. Qc2 d5 20. dxc5 Rfc8 21. exd5 Nxd5 22. Nf4 Nxe3 23. Nxe6 Nxc2 24. Nxc7 Ra4 25. Nd5 Bxc5 26. Rad1 Rd8 27. Nb3 Bd6 28. Be4 0-1

[Event "Porto Alegre op"]
[Site "Porto Alegre"]
[Date "2023.08.25"]
[Round "1"]
[White "Friedrich, Carlos Ernesto Gall"]
[Black "Dos Santos, Eduardo Matte Zanar"]
[Result "0-1"]
[ECO "B48"]
[WhiteElo "1614"]
[BlackElo "1636"]
[PlyCount "60"]
[EventDate "2023.08.25"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be3 Nf6 7. f3 Qc7 8. Qd2 Be7 9. 0-0-0 0-0 10. g4 Nxd4 11. Qxd4 b5 12. e5 Ne8 13. Bg2 Rb8 14. Kb1 d5 15. exd6 Nxd6 16. Bf4 Rd8 17. Ne4 Rb6 18. Nxd6 Bxd6 19. Rhe1 f6 20. h4 e5 21. Bxe5 fxe5 22. Rxe5 Be7 23. Rd5 Rdd6 24. f4 Be6 25. Qe5 Bxd5 26. Bxd5+ Kh8 27. g5 Qd7 28. c4 bxc4 29. Re1 Rxd5 30. Qxe7 Rd1+ 0-1

