[Event "Gauchos-ch 42th"]
[Site "Porto Alegre"]
[Date "1986.02.??"]
[Round "8"]
[White "Barbosa, Marco Antonio"]
[Black "Birindelli, Roberto"]
[Result "0-1"]
[ECO "B23"]
[PlyCount "78"]
[EventDate "1986.02.18"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 e6 4. Nf3 a6 5. a4 d5 6. e5 Nge7 7. Be2 Nf5 8. 0-0 Nfd4 9. Kh1 Bd7 10. d3 Be7 11. Be3 Nxf3 12. Bxf3 d4 13. Ne4 dxe3 14. Bh5 g6 15. Bg4 Nd4 16. c3 e2 17. Bxe2 Nxe2 18. Qxe2 Bc6 19. Rad1 Bxa4 20. Rd2 Qd7 21. d4 cxd4 22. Rxd4 Bb5 23. Qd2 Qxd4 24. Qxd4 Bxf1 25. Kg1 Bb5 26. c4 Bc6 27. Nf6+ Bxf6 28. exf6 0-0 29. f5 exf5 30. Qf4 Kh8 31. Kf2 Rae8 32. b4 Re6 33. b5 axb5 34. cxb5 Bd5 35. h3 Rfe8 36. g4 fxg4 37. hxg4 Re2+ 38. Kg3 g5 39. Qxg5 R8e3+ 0-1

[Event "Gauchos-ch 42th"]
[Site "Porto Alegre"]
[Date "1986.02.??"]
[Round "7"]
[White "Birindelli, Roberto"]
[Black "Bastos Silva, Alcindo"]
[Result "1/2-1/2"]
[ECO "B01"]
[PlyCount "45"]
[EventDate "1986.02.18"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. Nf3 Nf6 5. d3 c6 6. h3 Bf5 7. Bd2 Qc7 8. Be2 Nbd7 9. Nd4 Bg6 10. Be3 e6 11. Qd2 Bb4 12. Bf3 Ne5 13. a3 Nxf3+ 14. Nxf3 Qa5 15. 0-0 Bxc3 16. Qxc3 Qxc3 17. bxc3 Nd5 18. Rab1 b6 19. c4 Nxe3 20. fxe3 f6 21. a4 Ke7 22. Rb2 Kd6 23. Nh4 1/2-1/2

[Event "Gauchos-ch 42th"]
[Site "Porto Alegre"]
[Date "1986.02.??"]
[Round "1"]
[White "Birindelli, Roberto"]
[Black "Menna Barreto, Luiz Ney"]
[Result "0-1"]
[ECO "B08"]
[BlackElo "2260"]
[PlyCount "68"]
[EventDate "1986.02.18"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Nc3 Nf6 5. Be2 0-0 6. 0-0 c6 7. e5 dxe5 8. Nxe5 Be6 9. Be3 Nbd7 10. f4 Nb6 11. Qe1 Nbd5 12. Bf3 Nxe3 13. Qxe3 Qc7 14. Rad1 Rfd8 15. h3 a6 16. b3 Nd5 17. Nxd5 cxd5 18. c3 Rac8 19. Rc1 Qd6 20. Rfe1 Rc7 21. g4 Bh6 22. Rc2 Rdc8 23. g5 Bg7 24. h4 Bf5 25. Rcc1 b5 26. h5 f6 27. Ng4 fxg5 28. h6 gxf4 29. Qd2 Bf6 30. Qg2 Rxc3 31. Nxf6+ Qxf6 32. Bxd5+ e6 33. Rxc3 Rxc3 34. Qd2 Qg5+ 0-1

[Event "Gauchos-ch 42th"]
[Site "Porto Alegre"]
[Date "1986.02.??"]
[Round "10"]
[White "Birindelli, Roberto"]
[Black "Palmeira, Eduardo"]
[Result "1/2-1/2"]
[ECO "E67"]
[PlyCount "71"]
[EventDate "1986.02.18"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d4 d6 6. c4 Nbd7 7. Nc3 e5 8. Bg5 h6 9. dxe5 dxe5 10. Bxf6 Qxf6 11. Nd5 Qd8 12. Qc2 c6 13. Nc3 f5 14. Nh4 Qf6 15. e4 f4 16. Rad1 Re8 17. Bh3 Nc5 18. Bxc8 Raxc8 19. f3 Ne6 20. Ne2 Rcd8 21. a3 Nd4 22. Nxd4 exd4 23. Rd3 Qg5 24. Qf2 Be5 25. Kg2 Kf7 26. Rg1 fxg3 27. hxg3 Bf4 28. Rf1 Kg7 29. Kh3 Be3 30. Qe1 Qc5 31. Qb4 Qxb4 32. axb4 Bg5 33. Rfd1 Bf6 34. Ng2 b6 35. Ne1 Rd7 36. Nc2 1/2-1/2

[Event "Gauchos-ch 42th"]
[Site "Porto Alegre"]
[Date "1986.02.??"]
[Round "5"]
[White "Birindelli, Roberto"]
[Black "Richter, Rui"]
[Result "1/2-1/2"]
[ECO "B23"]
[PlyCount "66"]
[EventDate "1986.02.18"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. f4 g6 3. Nf3 Bg7 4. Nc3 a6 5. a4 Nc6 6. Bc4 e6 7. d3 Nge7 8. 0-0 0-0 9. Qe1 d5 10. Bb3 Nd4 11. Nxd4 Bxd4+ 12. Kh1 Bg7 13. Qg3 b6 14. f5 exf5 15. Nxd5 Nxd5 16. exd5 Bb7 17. c4 b5 18. Bg5 Qd7 19. Qf2 Bd4 20. Be3 Bxe3 21. Qxe3 Qd6 22. Rae1 Rac8 23. Qe7 Qb6 24. a5 Qc7 25. Qxc7 Rxc7 26. Rf2 Ba8 27. Rfe2 Kg7 28. Kg1 bxc4 29. Bxc4 Rd8 30. Re5 Bb7 31. Re7 Rxe7 32. Rxe7 Bxd5 33. Bxa6 Ra8 1/2-1/2

[Event "Gauchos-ch 42th"]
[Site "Porto Alegre"]
[Date "1986.02.??"]
[Round "9"]
[White "Birindelli, Roberto"]
[Black "Schossler, Daniel de Azevedo"]
[Result "1/2-1/2"]
[ECO "D76"]
[PlyCount "51"]
[EventDate "1986.02.18"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. c4 d5 6. cxd5 Nxd5 7. d4 Nb6 8. Nc3 Nc6 9. e3 e5 10. dxe5 Nxe5 11. Nxe5 Bxe5 12. Qc2 c6 13. Rd1 Qe7 14. b3 Bg4 15. Rd2 Rfd8 16. Rxd8+ Rxd8 17. Bb2 Qc5 18. Rc1 Nd5 19. Nxd5 Qxc2 20. Rxc2 Bxb2 21. Rxb2 cxd5 22. Rd2 Be6 23. Rd4 Rd7 24. Kf1 Kf8 25. Ke2 Ke7 26. e4 1/2-1/2

[Event "Gauchos-ch 42th"]
[Site "Porto Alegre"]
[Date "1986.02.??"]
[Round "6"]
[White "Cavalcante, Atila"]
[Black "Birindelli, Roberto"]
[Result "1/2-1/2"]
[ECO "B46"]
[PlyCount "113"]
[EventDate "1986.02.18"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Be3 Nf6 7. Bd3 d5 8. exd5 Nxd5 9. Nxd5 Qxd5 10. 0-0 Nxd4 11. Bxd4 Bd7 12. c3 Bd6 13. Re1 Qg5 14. Qe2 Bc6 15. Be4 Bxe4 16. Qxe4 0-0 17. Qxb7 Rfd8 18. Qf3 Rab8 19. b3 Rb5 20. Be3 Qe5 21. g3 Qxc3 22. Rac1 Qa5 23. Re2 Rd5 24. Qe4 Qb5 25. Qc4 Be5 26. Qxb5 axb5 27. Kg2 g6 28. Rec2 Kg7 29. Rc5 Bb2 30. R1c2 Ba3 31. Rc7 R8d7 32. Rc8 h5 33. Ra8 Be7 34. a4 bxa4 35. bxa4 Bd8 36. a5 Rxa5 37. Rb8 Rad5 38. Rcc8 e5 39. h3 f6 40. Bb6 Bxb6 41. Rg8+ Kf7 42. Rgf8+ Ke6 43. Rfe8+ Kf5 44. Rxb6 R7d6 45. Rbb8 Re6 46. Rg8 Rd7 47. Rb3 e4 48. Rb5+ Re5 49. Rxe5+ fxe5 50. Rf8+ Ke6 51. Rg8 Kf7 52. Rc8 Rd2 53. Kf1 Ke6 54. Re8+ Kf6 55. Rf8+ Ke7 56. Rg8 Kf7 57. Rc8 1/2-1/2

[Event "Gauchos-ch 42th"]
[Site "Porto Alegre"]
[Date "1986.02.??"]
[Round "4"]
[White "Klein, Gilberto Antonio"]
[Black "Birindelli, Roberto"]
[Result "1/2-1/2"]
[ECO "E12"]
[PlyCount "179"]
[EventDate "1986.02.18"]
[EventType "tourn"]
[EventRounds "11"]
[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. Nc3 Bb4 5. Bg5 Bb7 6. e3 h6 7. Bxf6 Qxf6 8. Bd3 c5 9. 0-0 Bxf3 10. Qxf3 Qxf3 11. gxf3 cxd4 12. exd4 Bxc3 13. bxc3 Nc6 14. Rab1 Ke7 15. Rfe1 Rab8 16. Rb5 Rhc8 17. Reb1 f5 18. Kf1 g6 19. a4 Kd8 20. Ke2 Kc7 21. Rg1 a6 22. Rbb1 Ne7 23. Kd2 Rg8 24. Rge1 Rg7 25. Re5 Nc6 26. Ree1 Rgg8 27. Rg1 e5 28. d5 Ne7 29. Rg3 d6 30. Rgg1 Rg7 31. Rb2 Rgg8 32. Rbb1 Rgf8 33. Rbf1 Rf6 34. Ke3 Rff8 35. Rb1 Rb7 36. Rb2 h5 37. h4 Rf6 38. Rg2 Rb8 39. Rg1 a5 40. Rbb1 Ng8 41. Rg5 Ne7 42. Rg2 Re8 43. Kd2 Ref8 44. Ke3 Rb8 45. Rb2 Kb7 46. Rg1 Kc7 47. Rg2 Ng8 48. Rg5 Nh6 49. Rg2 Re8 50. Re2 Nf7 51. Re1 Nd8 52. Reg1 e4 53. fxe4 fxe4 54. Bxe4 Nb7 55. Rxg6 Rxg6 56. Rxg6 Nc5 57. Rg7+ Kc8 58. f3 Nxa4 59. Kd4 Nc5 60. Rg5 a4 61. Rg2 Nb3+ 62. Ke3 Kb7 63. Ra2 Nc5 64. Kf4 Rg8 65. Bf5 Ka6 66. Be6 Rf8+ 67. Kg3 Ka5 68. f4 Ne4+ 69. Kf3 Nxc3 70. Ra1 Kb4 71. f5 Kxc4 72. Kf4 b5 73. Kg5 b4 74. f6 Ne4+ 75. Kxh5 Nxf6+ 76. Kg6 a3 77. Kg7 Ra8 78. Kxf6 b3 79. Bf5 a2 80. Bb1 Kxd5 81. h5 Kc4 82. h6 axb1Q 83. Rxb1 Kc3 84. h7 d5 85. Rg1 Rh8 86. Kg7 Rxh7+ 87. Kxh7 d4 88. Rg8 d3 89. Rc8+ Kd4 90. Rd8+ 1/2-1/2

[Event "Gauchos-ch 42th"]
[Site "Porto Alegre"]
[Date "1986.02.??"]
[Round "2"]
[White "Piccoli, Fabio Bidart"]
[Black "Birindelli, Roberto"]
[Result "1-0"]
[ECO "A03"]
[PlyCount "141"]
[EventDate "1986.02.18"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. f4 c5 2. Nf3 Nc6 3. b3 d5 4. e3 Nf6 5. Bb2 Bg4 6. Bb5 Rc8 7. 0-0 a6 8. Bxc6+ Rxc6 9. Qe1 Bxf3 10. Rxf3 g6 11. d3 Bg7 12. Nd2 e6 13. Rh3 Nh5 14. Bxg7 Nxg7 15. Nf3 f6 16. Qg3 Nf5 17. Qxg6+ hxg6 18. Rxh8+ Ke7 19. Rxd8 Kxd8 20. Kf2 d4 21. exd4 Nxd4 22. c3 Nxf3 23. Kxf3 Ke7 24. Re1 Rc8 25. Re4 f5 26. Re5 Kd6 27. h4 Rh8 28. g3 Rh7 29. Re1 Rh8 30. d4 cxd4 31. Rd1 e5 32. fxe5+ Kxe5 33. Rxd4 Rc8 34. Rd3 b5 35. Re3+ Kf6 36. Kf4 Rd8 37. Re5 Rc8 38. Rd5 Ke6 39. Rd3 Rc6 40. Kg5 Ke7 41. Re3+ Kf7 42. Rf3 Ke7 43. c4 bxc4 44. Rc3 Kf7 45. Rxc4 Rd6 46. Rc7+ Kf8 47. Ra7 Rb6 48. Rc7 Kg8 49. Kh6 Kf8 50. Kh7 Rf6 51. Kh6 Rb6 52. Kg5 Kg8 53. h5 gxh5 54. Kxf5 Rd6 55. Kg5 Rd5+ 56. Kg6 Kf8 57. Rf7+ Ke8 58. Rf5 Rd2 59. Ra5 Rg2 60. Kxh5 Rxg3 61. Rxa6 Kd7 62. Rb6 Kc7 63. Rb4 Kc6 64. a4 Kc5 65. Rb8 Rg1 66. b4+ Kc6 67. a5 Kc7 68. Rb5 Rg2 69. a6 Ra2 70. Rb7+ Kc8 71. b5 1-0

