[Event "Rio de Janeiro-ch Carioca"]
[Site "Rio de Janeiro"]
[Date "1986.06.10"]
[Round "9"]
[White "Porthos, Dirceu A Jr"]
[Black "Costa, Harry Andriolo"]
[Result "1/2-1/2"]
[ECO "A28"]
[WhiteElo "1877"]
[BlackElo "1832"]
[PlyCount "48"]
[EventDate "1986.05.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 d5 5. cxd5 Nxd5 6. Bb5 Nxc3 7. bxc3 Bd7 8. d4 exd4 9. cxd4 Bb4+ 10. Bd2 Qe7 11. 0-0 Bxd2 12. Qxd2 0-0 13. Rab1 b6 14. Rfc1 Qd6 15. Qc3 Nd8 16. Bxd7 Qxd7 17. Qxc7 Qxc7 18. Rxc7 Ne6 19. Rc2 Rfc8 20. Rbc1 Rxc2 21. Rxc2 Rd8 22. e4 f5 23. e5 Nxd4 24. Nxd4 Rxd4 1/2-1/2

[Event "Rio de Janeiro-ch Carioca"]
[Site "Rio de Janeiro"]
[Date "1986.06.05"]
[Round "8"]
[White "Fontes, Carlos Henrique Bat"]
[Black "Porthos, Dirceu A Jr"]
[Result "0-1"]
[ECO "B05"]
[WhiteElo "1679"]
[BlackElo "1877"]
[PlyCount "56"]
[EventDate "1986.05.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. Nf3 Bg4 5. Be2 e6 6. 0-0 Be7 7. c4 Nb6 8. Nc3 0-0 9. h3 Bh5 10. Be3 d5 11. c5 Bxf3 12. Bxf3 Nc4 13. Qc1 b6 14. Na4 c6 15. Rd1 bxc5 16. Nxc5 Bxc5 17. dxc5 Nxe3 18. Qxe3 Nd7 19. Bg4 Rb8 20. Qc3 Qc7 21. Re1 Rb5 22. b4 a5 23. a3 axb4 24. axb4 Rfb8 25. Ra4 Qb7 26. Rb1 Nxc5 27. Ra3 Ne4 28. Qb2 c5 0-1

[Event "Rio de Janeiro-ch Carioca"]
[Site "Rio de Janeiro"]
[Date "1986.05.29"]
[Round "5"]
[White "Cabral Filho, Adilson Vaz"]
[Black "Porthos, Dirceu A Jr"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1760"]
[BlackElo "1877"]
[PlyCount "77"]
[EventDate "1986.05.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. a3 c5 2. e3 Nf6 3. Nf3 g6 4. c4 Bg7 5. Nc3 Nc6 6. d4 cxd4 7. Nxd4 0-0 8. Be2 Nxd4 9. exd4 d5 10. Be3 dxc4 11. Bxc4 Bf5 12. Rc1 Rc8 13. Ba2 Qa5 14. 0-0 Ne4 15. Nd5 Rxc1 16. Nxe7+ Kh8 17. Qxc1 Bd7 18. f3 Nd6 19. Qc5 Qxc5 20. dxc5 Nf5 21. Nxf5 Bxf5 22. Bd5 Re8 23. Kf2 Re7 24. b4 Rd7 25. Rd1 Bb2 26. a4 Kg7 27. Bb3 a6 28. Rxd7 Bxd7 29. Bd5 Bc6 30. Bxc6 bxc6 31. Ke2 f5 32. Kd3 Be5 33. f4 Bc7 34. Kc4 Kf7 35. b5 axb5+ 36. axb5 cxb5+ 37. Kxb5 g5 38. g3 gxf4 39. Bxf4 1-0

[Event "Rio de Janeiro-ch Carioca"]
[Site "Rio de Janeiro"]
[Date "1986.05.27"]
[Round "4"]
[White "Porthos, Dirceu A Jr"]
[Black "Maia, Jose Eduardo Bastos"]
[Result "0-1"]
[ECO "A13"]
[WhiteElo "1877"]
[BlackElo "1944"]
[PlyCount "74"]
[EventDate "1986.05.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. b3 Nf6 4. Bb2 c5 5. g3 Nc6 6. Bg2 Bd6 7. cxd5 exd5 8. 0-0 0-0 9. d4 b6 10. Nc3 Be6 11. dxc5 bxc5 12. Ng5 Be7 13. Nxe6 fxe6 14. e3 Rc8 15. Qe2 Qa5 16. Bh3 Nd8 17. Rfd1 Rc6 18. Rac1 Nf7 19. Qb5 Qc7 20. Ne2 Ne4 21. Nd4 Rb6 22. Nxe6 Qc8 23. Qd3 Nxf2 24. Nxf8 Nxh3+ 25. Kg2 Bxf8 26. Qxd5 Nhg5 27. Qd7 Qa8+ 28. Qd5 Qe8 29. Rd3 Rd6 30. Qf5 Qc6+ 31. Kg1 Nh3+ 32. Qxh3 Rxd3 33. Bd4 Qe4 34. Rxc5 Rxd4 35. exd4 Qxd4+ 36. Kf1 Qxc5 37. Qg4 Qb5+ 0-1

[Event "Rio de Janeiro-ch Carioca"]
[Site "Rio de Janeiro"]
[Date "1986.05.22"]
[Round "3"]
[White "Ferreira, Oscar Vieira"]
[Black "Porthos, Dirceu A Jr"]
[Result "1/2-1/2"]
[ECO "B34"]
[WhiteElo "2004"]
[BlackElo "1877"]
[PlyCount "69"]
[EventDate "1986.05.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Nf3 g6 4. d4 cxd4 5. Nxd4 Bg7 6. Be3 Nf6 7. Nxc6 bxc6 8. e5 Ng8 9. Bd4 f6 10. f4 Nh6 11. Bc4 Nf5 12. exf6 exf6 13. Qe2+ Qe7 14. Qxe7+ Kxe7 15. Bf2 d5 16. Bc5+ Kf7 17. Bb3 Re8+ 18. Kf2 Bf8 19. Bxf8 Kxf8 20. Rhe1 Ba6 21. Na4 Nd6 22. Nc5 Bc4 23. Ba4 Bb5 24. Bxb5 cxb5 25. Rad1 Rxe1 26. Rxe1 Rc8 27. Ne6+ Kf7 28. Nd4 Rc4 29. Rd1 Nf5 30. c3 Nd6 31. Ne2 Ke6 32. Kf3 b4 33. g4 Ne4 34. b3 Nxc3 35. Rc1 1/2-1/2

[Event "Rio de Janeiro-ch Carioca"]
[Site "Rio de Janeiro"]
[Date "1986.05.20"]
[Round "2"]
[White "Porthos, Dirceu A Jr"]
[Black "De Lima, Zelmo Rodrigues"]
[Result "1-0"]
[ECO "A24"]
[WhiteElo "1877"]
[BlackElo "1584"]
[PlyCount "61"]
[EventDate "1986.05.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. g3 0-0 5. Bg2 d6 6. 0-0 e5 7. d3 Ne8 8. Bd2 f5 9. Qb3 c6 10. c5+ d5 11. e4 Kh8 12. exd5 cxd5 13. Qxd5 Qxd5 14. Nxd5 Nc6 15. Bc3 Be6 16. Ng5 Bg8 17. Nb4 Rc8 18. Nxc6 bxc6 19. Rfe1 h6 20. Nf3 e4 21. Bxg7+ Nxg7 22. dxe4 fxe4 23. Ne5 Bh7 24. Bxe4 Rf6 25. Rad1 g5 26. Rd6 Rxd6 27. cxd6 Bxe4 28. Rxe4 Kg8 29. d7 Rd8 30. Rd4 Ne6 31. Rd2 1-0

[Event "Rio de Janeiro-ch Carioca"]
[Site "Rio de Janeiro"]
[Date "1986.05.17"]
[Round "1"]
[White "Farias, Sergio A"]
[Black "Porthos, Dirceu A Jr"]
[Result "1-0"]
[ECO "D91"]
[WhiteElo "2166"]
[BlackElo "1877"]
[PlyCount "79"]
[EventDate "1986.05.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2007"]
[Source "ChessBase"]
[SourceDate "2006.11.23"]
[SourceVersion "1"]
[SourceVersionDate "2006.11.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bg5 Ne4 6. cxd5 Nxg5 7. Nxg5 e6 8. Nf3 exd5 9. e3 0-0 10. Bd3 Re8 11. 0-0 c6 12. b4 a5 13. a3 b5 14. Qb3 a4 15. Qc2 f5 16. Ne2 Qd6 17. Rac1 Bb7 18. Nf4 Nd7 19. h4 Nb6 20. Qc5 Qxc5 21. Rxc5 Bf8 22. Rc3 Nc4 23. h5 Kg7 24. hxg6 hxg6 25. Nh4 Bd6 26. Nhxg6 Bxf4 27. Nxf4 Rh8 28. Bxf5 Kf6 29. Bd3 Rag8 30. Bxc4 dxc4 31. f3 Rg3 32. Kf2 Rg7 33. Rcc1 Bc8 34. Rh1 Rgh7 35. Rxh7 Rxh7 36. e4 Kg5 37. Ke3 Rh4 38. Ne2 Rh2 39. Rg1 Be6 40. Nc3 1-0

