[Event "BRA-ch U18"]
[Site "Vacaria"]
[Date "1978.02.??"]
[Round "7"]
[White "Costamilan, Gerson Bazo"]
[Black "Frota, Antonio Adolfo"]
[Result "1/2-1/2"]
[ECO "B24"]
[PlyCount "62"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 e6 4. Bg2 Nf6 5. d3 Be7 6. f4 d6 7. Nf3 Qc7 8. 0-0 0-0 9. a3 a6 10. d4 cxd4 11. Nxd4 Qb6 12. Be3 e5 13. Nf5 Qc7 14. Nxe7+ Nxe7 15. f5 h6 16. g4 b5 17. g5 hxg5 18. Bxg5 Nh7 19. Be3 Nf6 20. Rf3 d5 21. exd5 Nxf5 22. d6 Nxe3 23. dxc7 Nxd1 24. Rxd1 Ra7 25. Re3 Rxc7 26. Rxe5 Bb7 27. Bxb7 Rxb7 28. Rd6 Ra7 29. Rc5 Re8 30. Rcc6 Re1+ 31. Kf2 Rc1 1/2-1/2

[Event "BRA-ch U18"]
[Site "Vacaria"]
[Date "1978.02.??"]
[Round "3"]
[White "Frota, Antonio Adolfo"]
[Black "Dabus, Sergio Brant"]
[Result "1/2-1/2"]
[ECO "A17"]
[PlyCount "134"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 Nf6 3. g3 d5 4. cxd5 exd5 5. d4 Bf5 6. Bg2 c6 7. Nf3 Nbd7 8. 0-0 Be7 9. Nh4 Bg6 10. Nxg6 hxg6 11. f3 Qc7 12. e4 Nb6 13. Bf4 Qd7 14. Rc1 0-0-0 15. Nb5 Rdf8 16. Nxa7+ Kd8 17. Qb3 Nc8 18. Nxc8 Qxc8 19. Qb6+ Ke8 20. Rc3 Bd8 21. Qa7 Bc7 22. Bxc7 Qxc7 23. exd5 Nxd5 24. Re1+ Kd7 25. Rb3 Ra8 26. Qxb7 Rxa2 27. f4 Ra7 28. Qxc7+ Rxc7 29. Bxd5 cxd5 30. Rbe3 Kd6 31. h4 Rb8 32. b3 Rb4 33. Rd3 Rc2 34. Re8 Rb5 35. Rg8 Rb2 36. Rxg7 R5xb3 37. Rxb3 Rxb3 38. Rxf7 Rxg3+ 39. Kf2 Rg4 40. Kf3 Rg1 41. f5 gxf5 42. Rxf5 Rd1 43. Rf4 Ke6 44. Kg4 Rg1+ 45. Kh5 Rg8 46. Kh6 Rg2 47. h5 Rg8 48. Kh7 Rg1 49. h6 Ke7 50. Rf5 Ke6 51. Re5+ Kd6 52. Re8 Rg4 53. Rg8 Rxd4 54. Rg6+ Kc5 55. Kg7 Rh4 56. h7 Rxh7+ 57. Kxh7 d4 58. Rg1 d3 59. Kg6 Kd4 60. Kf5 Ke3 61. Rg3+ Ke2 62. Ke4 d2 63. Rg2+ Ke1 64. Ke3 d1N+ 65. Kf3 Nc3 66. Rc2 Nd1 67. Re2+ Kf1 1/2-1/2

[Event "BRA-ch U18"]
[Site "Vacaria"]
[Date "1978.02.??"]
[Round "4"]
[White "Frota, Antonio Adolfo"]
[Black "De Oliveira, Carlos Eduardo V"]
[Result "1/2-1/2"]
[ECO "A26"]
[PlyCount "105"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. 0-0 e5 7. d3 Nc6 8. e3 h6 9. Rb1 a5 10. a3 Be6 11. b4 axb4 12. axb4 e4 13. Nd4 Nxd4 14. exd4 exd3 15. Bxb7 Ra7 16. Bg2 Bxc4 17. Re1 Nh7 18. Be3 c5 19. Bd5 cxd4 20. Bxc4 dxe3 21. Nb5 exf2+ 22. Kxf2 Qb6+ 23. Kf1 Qc6 24. Qxd3 Qh1+ 25. Kf2 Qxh2+ 26. Kf1 Rb7 27. Qxd6 Ng5 28. Qc6 Rbb8 29. Qg2 Qh5 30. Be2 Qh3 31. Qxh3 Nxh3 32. Kg2 Ng5 33. Rb3 Rfe8 34. Nd6 Red8 35. Nc4 Re8 36. b5 Ne6 37. Nd6 Nd4 38. Nxe8 Nxb3 39. Nd6 Nd4 40. Ne4 Re8 41. Nc3 Nxe2 42. Rxe2 Rxe2+ 43. Nxe2 Be5 44. Kf2 Kf8 45. Kf3 f5 46. Nf4 Kf7 47. b6 g5 48. Nd5 Ke6 49. Nb4 Kd7 50. Nd5 Ke6 51. Ne3 f4 52. gxf4 gxf4 53. Ng2 1/2-1/2

[Event "BRA-ch U18"]
[Site "Vacaria"]
[Date "1978.02.??"]
[Round "5"]
[White "Frota, Antonio Adolfo"]
[Black "Godois, Jorge de Oliveira"]
[Result "1/2-1/2"]
[ECO "A39"]
[PlyCount "42"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 g6 3. g3 Bg7 4. Bg2 Nf6 5. 0-0 0-0 6. d4 cxd4 7. Nxd4 Nc6 8. Nc3 Nxd4 9. Qxd4 Nh5 10. Qd2 f5 11. Rb1 Rb8 12. b3 b6 13. Bb2 d6 14. Rfd1 Be6 15. Nb5 Qd7 16. Nd4 Nf6 17. Nxe6 Qxe6 18. Bd5 Nxd5 19. Qxd5 Qxd5 20. Rxd5 Bxb2 21. Rxb2 Kf7 1/2-1/2

[Event "BRA-ch U18"]
[Site "Vacaria"]
[Date "1978.02.??"]
[Round "6"]
[White "Menna Barreto, Luiz Ney"]
[Black "Frota, Antonio Adolfo"]
[Result "1/2-1/2"]
[ECO "C13"]
[PlyCount "69"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 e6 4. e4 dxe4 5. Nxe4 Be7 6. Bxf6 Bxf6 7. Nf3 0-0 8. c3 b6 9. Bd3 Ba6 10. Bxa6 Nxa6 11. Qe2 Nb8 12. 0-0-0 Be7 13. g4 Qd5 14. Kb1 b5 15. h4 a5 16. Rhg1 Nd7 17. g5 Qf5 18. h5 c5 19. Nh4 Qf4 20. Rg4 Qb8 21. dxc5 Nxc5 22. Nxc5 Bxc5 23. g6 h6 24. gxf7+ Rxf7 25. f3 Qe8 26. Rg6 Rf6 27. Re1 Ra6 28. a4 Rb6 29. axb5 Rxb5 30. Rxf6 gxf6 31. Qxe6+ Qxe6 32. Rxe6 Kf7 33. Ra6 Bf2 34. Ng6 Rxh5 35. Nf4 1/2-1/2

[Event "BRA-ch U18"]
[Site "Vacaria"]
[Date "1978.02.??"]
[Round "1"]
[White "Pimenta, Jeronimo Marques"]
[Black "Frota, Antonio Adolfo"]
[Result "1-0"]
[ECO "D38"]
[PlyCount "83"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. c4 e6 4. Nc3 Bb4 5. Bg5 0-0 6. e3 c5 7. cxd5 exd5 8. dxc5 Bxc3+ 9. bxc3 Nbd7 10. Qd4 Qa5 11. Bd3 Ne4 12. 0-0 Ndxc5 13. Be7 Ne6 14. Qb4 Qxb4 15. cxb4 Re8 16. Bh4 a6 17. Rfd1 b5 18. Bc2 Bb7 19. Bb3 Nc7 20. Rac1 Rac8 21. Bg3 Nxg3 22. hxg3 Red8 23. Nd4 Kf8 24. Nc6 Bxc6 25. Rxc6 Ke8 26. Kf1 h6 27. Ke2 Ke7 28. Rdc1 Kd7 29. e4 dxe4 30. Bxf7 Rf8 31. Bh5 Ne6 32. Rxc8 Rxc8 33. Rxc8 Kxc8 34. Bg4 Kd7 35. Ke3 Kd6 36. Bxe6 Kxe6 37. Kxe4 h5 38. f3 g6 39. Kf4 Kf6 40. g4 g5+ 41. Ke4 hxg4 42. fxg4 1-0

[Event "BRA-ch U18"]
[Site "Vacaria"]
[Date "1978.02.??"]
[Round "2"]
[White "Spiess, Alexandre"]
[Black "Frota, Antonio Adolfo"]
[Result "1-0"]
[ECO "A05"]
[PlyCount "63"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. e3 0-0 5. Be2 d6 6. d3 c5 7. 0-0 Nc6 8. c4 a6 9. Nc3 e6 10. a3 d5 11. Na4 b6 12. b4 cxb4 13. axb4 Nxb4 14. Ba3 a5 15. Rb1 Rb8 16. Bxb4 axb4 17. Rxb4 dxc4 18. dxc4 Bd7 19. Qb3 Bxa4 20. Qxa4 Qc7 21. Nd4 Ne4 22. Qc2 Nc5 23. Bf3 Rfe8 24. Rfb1 Bf8 25. Nc6 Rb7 26. Qd2 Nd7 27. Rb5 Bc5 28. Rd1 Kf8 29. Qb2 Kg8 30. h3 h5 31. Rxd7 Qxd7 32. Ne5 1-0

