[Event "Brasilia op"]
[White "Andrade, Roberto Luiz Costa"]
[Black "Santos, Ronaldo Jose Machad"]
[Site "Brasilia"]
[Round "3"]
[Result "1-0"]
[Date "1987.04.??"]
[ECO "C19"]
[PlyCount "111"]
[EventDate "1987.04.??"]
[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 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Ne7 5. a3 Bxc3+ 6. bxc3 c5 7. Nf3 b6 8. a4 Bd7 9. h4 Nbc6 10. Be3 Qc7 11. Bd3 h6 12. Rh3 c4 13. Be2 Nf5 14. Qd2 0-0-0 15. Bf4 Rdg8 16. g4 Nfe7 17. Bg3 Qd8 18. Rh1 Qe8 19. Qc1 Kb7 20. Qb2 Na5 21. Qa2 Rf8 22. Nd2 f5 23. exf6 Rxf6 24. Bf3 Rhf8 25. Bg2 Ng6 26. Nxc4 Nxc4 27. Qxc4 Bc6 28. Qb4 Nf4 29. Bf1 e5 30. 0-0-0 exd4 31. a5 dxc3 32. Qxc3 d4 33. a6+ Ka8 34. Qxd4 Bxh1 35. Bb5 Bc6 36. Bxc6+ Qxc6 37. Bxf4 Rxf4 38. Qxf4 Rc8 39. Qd2 Kb8 40. Qd6+ Qc7 41. Rd3 Re8 42. Qxc7+ Kxc7 43. Rf3 Re7 44. g5 h5 45. Rf5 Kd6 46. f4 Ke6 47. Re5+ Kf7 48. Rxe7+ Kxe7 49. Kd2 Ke6 50. Ke3 Kf5 51. Kf3 b5 52. c3 g6 53. Ke3 Kg4 54. Ke4 Kxh4 55. Kf3 Kh3 56. f5 1-0

[Event "Brasilia op"]
[White "Mendonca, Joao Ricardo"]
[Black "Santos, Ronaldo Jose Machad"]
[Site "Brasilia"]
[Round "4"]
[Result "0-1"]
[Date "1987.04.??"]
[ECO "D58"]
[PlyCount "148"]
[EventDate "1987.04.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 h6 6. Bh4 0-0 7. e3 b6 8. cxd5 exd5 9. Bd3 Nbd7 10. Rc1 c5 11. 0-0 Bb7 12. Re1 Re8 13. Ne5 Nxe5 14. dxe5 Ne4 15. Bxe7 Qxe7 16. f4 Rad8 17. Qc2 Qe6 18. Nb5 Qd7 19. Nxa7 Ra8 20. Bb5 Qd8 21. Bxe8 Qxe8 22. Qb3 Rxa7 23. Qxb6 Qa4 24. e6 fxe6 25. Qxe6+ Kh8 26. a3 Qc6 27. Qe5 Ra6 28. Re2 Qe6 29. Qb8+ Qc8 30. Qe5 Re6 31. Qh5 Qe8 32. Qf3 c4 33. Qh3 Bc8 34. g4 Rg6 35. Rg2 Bxg4 36. Rxg4 Qe6 37. Rc2 Qxg4+ 38. Qxg4 Rxg4+ 39. Kf1 Kg8 40. a4 Nc5 41. a5 Nb3 42. a6 Rg6 43. Kf2 Rxa6 44. e4 Rd6 45. exd5 Rxd5 46. Rxc4 Rd2+ 47. Kg3 Rxb2 48. Rb4 Rb1 49. Rb8+ Kh7 50. Ra8 Nd2 51. Ra7 Ne4+ 52. Kf3 Nf6 53. Ra4 Rb3+ 54. Kf2 Ng4+ 55. Kg2 Rb2+ 56. Kg3 Nxh2 57. f5 Kg8 58. Ra7 Nf1+ 59. Kf4 Rb6 60. Rd7 Rf6 61. Rd8+ Rf8 62. Rd5 g6 63. Ra5 Rxf5+ 64. Rxf5 gxf5 65. Kxf5 Kg7 66. Kg4 Kg6 67. Kf3 Kg5 68. Kg2 Nd2 69. Kg3 h5 70. Kg2 Kg4 71. Kh2 h4 72. Kg2 Ne4 73. Kh2 h3 74. Kg1 Kg3 0-1

[Event "Brasilia op"]
[White "Rezende, Hugo"]
[Black "Santos, Ronaldo Jose Machad"]
[Site "Brasilia"]
[Round "7"]
[Result "1-0"]
[Date "1987.04.??"]
[ECO "D06"]
[PlyCount "53"]
[EventDate "1987.04.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. e4 Nb6 5. Nc3 e6 6. Nf3 Bb4 7. Qc2 Nc6 8. a3 Bxc3+ 9. bxc3 Bd7 10. Bd3 Qe7 11. Be3 h6 12. 0-0 0-0-0 13. c4 Rdf8 14. Rab1 f5 15. Qb2 Nd8 16. c5 Na4 17. Qb3 Qe8 18. Ne5 Bc6 19. Nxc6 Qxc6 20. Bb5 Qxe4 21. Qxa4 a6 22. Bd7+ Kb8 23. Qxa6 f4 24. c6 b6 25. Rxb6+ cxb6 26. Qxb6+ Ka8 27. c7 1-0

[Event "Brasilia op"]
[White "Santos, Ronaldo Jose Machad"]
[Black "Damiao, Marcio Alves M"]
[Site "Brasilia"]
[Round "2"]
[Result "0-1"]
[Date "1987.04.??"]
[ECO "E67"]
[PlyCount "56"]
[EventDate "1987.04.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d6 5. 0-0 0-0 6. c4 Nbd7 7. d5 a5 8. Nc3 Nc5 9. Re1 e5 10. e4 Nfd7 11. Qc2 f5 12. exf5 gxf5 13. Bg5 Qe8 14. Bh3 Qh5 15. Bxf5 Qxf3 16. Bxh7+ Kh8 17. Nb5 Qh5 18. Nxc7 Rb8 19. Ne6 Qxh7 20. Qxh7+ Kxh7 21. Nxf8+ Bxf8 22. h4 Kg6 23. Kg2 e4 24. a3 a4 25. Rh1 Ne5 26. Be3 Nb3 27. Rae1 Bg4 28. Bf4 Bf3+ 0-1

[Event "Brasilia op"]
[White "Santos, Ronaldo Jose Machad"]
[Black "De Paula, Guilherme Bueno"]
[Site "Brasilia"]
[Round "5"]
[Result "1-0"]
[Date "1987.04.??"]
[ECO "E12"]
[PlyCount "109"]
[EventDate "1987.04.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 c5 5. d5 Ba6 6. Qc2 exd5 7. cxd5 d6 8. g3 g6 9. Bg2 Bg7 10. 0-0 0-0 11. Nc3 Nbd7 12. Re1 Ng4 13. Bg5 Qc7 14. Qa4 c4 15. Qxa6 Nde5 16. Nd4 Qc5 17. Be3 Nxe3 18. fxe3 Ng4 19. Ne4 Qc7 20. Rf1 Nxe3 21. Nf6+ Bxf6 22. Rxf6 Qc5 23. Rf4 g5 24. Re4 Nc2 25. Rd1 f5 26. Re7 Nxd4 27. e3 Ne2+ 28. Kh1 Rae8 29. Rd7 Rf7 30. Rxf7 Kxf7 31. Rf1 f4 32. exf4 gxf4 33. Bf3 Qe3 34. Qxc4 Re7 35. Bxe2 Qxe2 36. Qxf4+ Ke8 37. Qa4+ Rd7 38. Qf4 Re7 39. Qf8+ Kd7 40. Qf5+ Kd8 41. b4 Qe3 42. Rf3 Qe1+ 43. Kg2 Qe2+ 44. Kh3 Qd2 45. Qf8+ Kd7 46. Rf7 Qe3 47. Qxe7+ Qxe7 48. Rxe7+ Kxe7 49. Kg4 Kf6 50. Kf4 Kg6 51. g4 Kf6 52. h4 Kg6 53. h5+ Kf6 54. g5+ Kf7 55. Kf5 1-0

[Event "Brasilia op"]
[White "Santos, Ronaldo Jose Machad"]
[Black "Dischinger, Jose Luiz"]
[Site "Brasilia"]
[Round "6"]
[Result "0-1"]
[Date "1987.04.??"]
[ECO "D07"]
[PlyCount "72"]
[EventDate "1987.04.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nc6 3. Nf3 Bg4 4. Nc3 Nf6 5. Bg5 Ne4 6. Bh4 Nxc3 7. bxc3 g6 8. e3 Bg7 9. h3 Bxf3 10. Qxf3 dxc4 11. Bxc4 0-0 12. 0-0 Na5 13. Bd3 Qd7 14. Rfd1 c6 15. Rac1 Rfe8 16. Qg3 e5 17. Qf3 Qe6 18. Kh1 e4 19. Qe2 exd3 20. Qxd3 Qxa2 21. Ra1 Qd5 22. e4 Rxe4 23. Rxa5 Qxa5 24. Qxe4 Qxc3 25. d5 Qb3 26. Rd3 Qb1+ 27. Kh2 cxd5 28. Qxd5 Qb2 29. Bg5 Qe5+ 30. Kh1 Qxd5 31. Rxd5 a5 32. Bc1 a4 33. Ba3 Bf8 34. Rd3 Bxa3 35. Rxa3 b5 36. Kg1 b4 0-1

[Event "Brasilia op"]
[White "Santos, Ronaldo Jose Machad"]
[Black "Nicolau, Luiz Fernando"]
[Site "Brasilia"]
[Round "1"]
[Result "1-0"]
[Date "1987.04.??"]
[ECO "D66"]
[PlyCount "125"]
[EventDate "1987.04.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Nf3 Nf6 5. Bg5 0-0 6. e3 Nbd7 7. Qc2 Re8 8. Bd3 c6 9. 0-0 Nf8 10. Rac1 dxc4 11. Bxc4 Nd5 12. Bxe7 Qxe7 13. e4 Nf4 14. e5 Kh8 15. Ne4 Rd8 16. Nd6 Rxd6 17. exd6 Qxd6 18. Qe4 Nd5 19. Bd3 Qf4 20. Qxf4 Nxf4 21. Rfd1 Kg8 22. Kf1 Bd7 23. Ne5 Rd8 24. g3 Nd5 25. Be4 Ne7 26. Rc3 f6 27. Nc4 Bc8 28. Ra3 a6 29. Nb6 Nd7 30. Nxd7 Rxd7 31. Bd3 g6 32. Bc4 Rd6 33. g4 Kg7 34. Rc3 e5 35. Rcd3 Bxg4 36. dxe5 Rxd3 37. exf6+ Kxf6 38. Rxd3 Bf5 39. Rd8 Kg5 40. Re8 Bh3+ 41. Ke1 Nf5 42. Rb8 b5 43. Be6 Bg2 44. Bxf5 Kxf5 45. b4 Ke5 46. Rb6 Kd4 47. Rxa6 Kc3 48. a3 h5 49. Ra7 Kb3 50. f4 Kc3 51. Re7 Kd4 52. Kd2 h4 53. Re6 Be4 54. Rd6+ Kc4 55. Ke3 Bd5 56. Rxg6 Kb3 57. f5 Kxa3 58. f6 Kxb4 59. Rg7 Kc3 60. f7 Bxf7 61. Rxf7 c5 62. Rc7 Kb4 63. Kd2 1-0

