[Event "Rio de Janeiro Fexerj op"]
[Site "Rio de Janeiro"]
[Date "1991.06.??"]
[Round "1"]
[White "Costa, Harry Andriolo"]
[Black "Dos Santos, Alfredo P"]
[Result "1/2-1/2"]
[ECO "B08"]
[PlyCount "41"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Bc4 Nf6 5. Nc3 0-0 6. Bb3 Nc6 7. h3 e5 8. 0-0 exd4 9. Nxd4 Nxd4 10. Qxd4 Be6 11. Qd1 Bxb3 12. axb3 Re8 13. Qf3 Qc8 14. Be3 a6 15. Bd4 Re6 16. Rfe1 Qe8 17. Kf1 Qc6 18. Qd3 Rae8 19. f3 Nd7 20. Bxg7 Kxg7 21. Nd5 1/2-1/2

[Event "Rio de Janeiro Fexerj op"]
[Site "Rio de Janeiro"]
[Date "1991.06.??"]
[Round "4"]
[White "Dos Santos, Alfredo P"]
[Black "Mercadante, Ricardo Rodrigues"]
[Result "0-1"]
[ECO "E63"]
[PlyCount "98"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 g6 2. g3 Bg7 3. Bg2 d6 4. d4 Nf6 5. Nf3 0-0 6. Nc3 Nc6 7. 0-0 a6 8. Bf4 Bf5 9. h3 Ne4 10. g4 Nxc3 11. bxc3 Be4 12. Bg3 e5 13. e3 Qe7 14. Qa4 Bd3 15. Rfe1 e4 16. Nd2 b5 17. Qa3 f5 18. gxf5 gxf5 19. Bf1 Bxf1 20. Rxf1 Qf7 21. Kh2 Rfb8 22. Rab1 Bf8 23. Rg1 Kh8 24. Bf4 Be7 25. Rg2 d5 26. c5 Bf6 27. Rbg1 Re8 28. Nf1 Nd8 29. Ng3 Ne6 30. Ne2 c6 31. Bg3 a5 32. Qb2 a4 33. Rf1 Ng5 34. Ng1 Qh5 35. Bf4 Rg8 36. Bxg5 Rxg5 37. Rxg5 Bxg5 38. Qe2 Qh6 39. Rb1 Rg8 40. Qf1 f4 41. exf4 Bxf4+ 42. Kh1 Bd2 43. Ne2 Qh5 44. Rd1 Qf3+ 45. Kh2 Bg5 46. Rb1 Bd8 47. Rc1 Bc7+ 48. Ng3 Rxg3 49. fxg3 Qxg3+ 0-1

[Event "Rio de Janeiro Fexerj op"]
[Site "Rio de Janeiro"]
[Date "1991.06.??"]
[Round "7"]
[White "Dos Santos, Alfredo P"]
[Black "Miranda, Marcio MC"]
[Result "1/2-1/2"]
[ECO "A21"]
[BlackElo "2280"]
[PlyCount "39"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 g6 2. g3 Bg7 3. Bg2 e5 4. Nc3 d6 5. Nf3 f5 6. 0-0 Nf6 7. d4 e4 8. Ne1 0-0 9. f3 exf3 10. Bxf3 Nc6 11. Nc2 Bd7 12. Bg5 h6 13. Be3 Re8 14. Qd2 Kh7 15. Kh1 a6 16. Bg1 Rb8 17. a4 a5 18. Rae1 Ne4 19. Nxe4 fxe4 20. Bg2 1/2-1/2

[Event "Rio de Janeiro Fexerj op"]
[Site "Rio de Janeiro"]
[Date "1991.06.??"]
[Round "8"]
[White "Dos Santos, Alfredo P"]
[Black "Sant'Anna, Paulo Henrique"]
[Result "1-0"]
[ECO "A04"]
[PlyCount "77"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. 0-0 e6 6. c3 Nge7 7. d3 0-0 8. Re1 d6 9. Na3 Rb8 10. Nc2 b5 11. d4 b4 12. Bf4 bxc3 13. bxc3 cxd4 14. cxd4 e5 15. Be3 Ba6 16. d5 Nb4 17. Nxb4 Rxb4 18. Bxa7 Qc7 19. a3 Rc4 20. Be3 Ra8 21. Rc1 Bb5 22. Bf1 Rxc1 23. Qxc1 Qxc1 24. Bxc1 Bxf1 25. Kxf1 f5 26. Nd2 fxe4 27. Nxe4 Nxd5 28. Rd1 Nb6 29. Rxd6 Nc4 30. Rd3 Bf8 31. Rd7 Bg7 32. Ng5 Bh6 33. Rc7 Nxa3 34. Nxh7 Bxc1 35. Nf6+ Kf8 36. Rxc1 Kf7 37. Ng4 Ke6 38. Re1 Ra5 39. f4 1-0

[Event "Rio de Janeiro Fexerj op"]
[Site "Rio de Janeiro"]
[Date "1991.06.??"]
[Round "2"]
[White "Dos Santos, Alfredo P"]
[Black "Segal, Alexandru Sorin"]
[Result "1/2-1/2"]
[ECO "A21"]
[BlackElo "2355"]
[PlyCount "24"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 g6 2. Nc3 e5 3. g3 Bg7 4. Bg2 Ne7 5. e3 0-0 6. Nge2 d6 7. d4 c6 8. 0-0 Na6 9. b3 exd4 10. Nxd4 Nf5 11. Nde2 Nc7 12. Ba3 c5 1/2-1/2

[Event "Rio de Janeiro Fexerj op"]
[Site "Rio de Janeiro"]
[Date "1991.06.??"]
[Round "9"]
[White "Ferreira, Kleber Victor"]
[Black "Dos Santos, Alfredo P"]
[Result "0-1"]
[ECO "B87"]
[PlyCount "50"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 b5 8. 0-0 Bb7 9. f4 Nbd7 10. a3 Rc8 11. Re1 Rxc3 12. bxc3 Nxe4 13. Nxe6 fxe6 14. Bxe6 Qh4 15. Qe2 Ndc5 16. Ba2 Be7 17. Bd2 d5 18. g3 Qf6 19. Rad1 0-0 20. a4 bxa4 21. Rb1 Ba8 22. Rb4 Kh8 23. Reb1 Nxd2 24. Rb6 Bd6 25. Qxd2 Ne4 0-1

[Event "Rio de Janeiro Fexerj op"]
[Site "Rio de Janeiro"]
[Date "1991.06.??"]
[Round "3"]
[White "Trajano, Erastro"]
[Black "Dos Santos, Alfredo P"]
[Result "0-1"]
[ECO "B08"]
[PlyCount "88"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3 Nf6 5. Be2 0-0 6. 0-0 Nc6 7. h3 e5 8. d5 Ne7 9. Bg5 h6 10. Be3 Kh7 11. Qd2 Nfg8 12. Nh2 g5 13. g4 Ng6 14. Nf3 a6 15. Rad1 Bf6 16. Nb1 N8e7 17. c4 Nf4 18. Kh2 Bd7 19. Ne1 Neg6 20. Ng2 Kg7 21. Na3 Rh8 22. Rh1 Qe7 23. Nc2 h5 24. Bxf4 exf4 25. gxh5 Ne5 26. Nd4 f3 27. Nxf3 Rxh5 28. h4 gxh4 29. Nxe5 Rxe5 30. Nf4 Rh8 31. Rhg1+ Kf8 32. Nh5 Rexh5 33. Bxh5 Qe5+ 34. f4 Qxh5 35. Qf2 b6 36. b3 Rh6 37. b4 Bc3 38. Rb1 Rf6 39. f5 Be5+ 40. Kh1 Bg3 41. Qe3 Qg4 42. Rg2 Qh3+ 43. Kg1 Bh2+ 44. Kf2 Bxf5 0-1

[Event "Rio de Janeiro Fexerj op"]
[Site "Rio de Janeiro"]
[Date "1991.06.??"]
[Round "6"]
[White "Villaboim, Nelson"]
[Black "Dos Santos, Alfredo P"]
[Result "1/2-1/2"]
[ECO "E87"]
[PlyCount "28"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nf6 5. f3 0-0 6. Be3 e5 7. d5 Ne8 8. Qd2 f5 9. 0-0-0 Nd7 10. Kb1 a5 11. Nge2 Nc5 12. Nc1 Kh8 13. Nd3 b6 14. g3 Bd7 1/2-1/2

[Event "Rio de Janeiro Fexerj op"]
[Site "Rio de Janeiro"]
[Date "1991.06.??"]
[Round "5"]
[White "Wexell Machado, Luiz E"]
[Black "Dos Santos, Alfredo P"]
[Result "1-0"]
[ECO "B08"]
[PlyCount "99"]
[EventDate "1991.??.??"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3 Nf6 5. Be2 0-0 6. 0-0 Nc6 7. h3 e5 8. dxe5 dxe5 9. Bg5 Be6 10. Qxd8 Raxd8 11. Rad1 a6 12. Rfe1 h6 13. Bh4 Rxd1 14. Rxd1 Nh5 15. Nd5 g5 16. Bg3 Nxg3 17. fxg3 Rc8 18. g4 Kf8 19. c3 Ke8 20. Ne1 Ne7 21. Nc2 c6 22. Nb6 Rd8 23. Rxd8+ Kxd8 24. Bc4 Bxc4 25. Nxc4 Kd7 26. Kf2 Nc8 27. Ke2 Ke6 28. N2e3 b5 29. Nf5 Bf8 30. Nce3 Nb6 31. b3 Nd7 32. Nf1 Nf6 33. N1g3 h5 34. gxh5 Nxe4 35. Nxe4 Kxf5 36. Kf3 f6 37. Ng3+ Ke6 38. Ke4 Bd6 39. Nf5 Bf8 40. g4 Kf7 41. c4 bxc4 42. bxc4 Ba3 43. h4 gxh4 44. Nxh4 Ke6 45. h6 Bf8 46. h7 Bg7 47. Ng6 Kd6 48. h8Q Bxh8 49. Nxh8 Kc5 50. Nf7 1-0

