[Event "BRA-chT Inter-Clubes 8th"]
[White "Bovo, Italo Jr"]
[Black "Chaves, Jaime Augusto"]
[Site "Campinas"]
[Round "3"]
[Result "0-1"]
[Date "1989.09.??"]
[ECO "B26"]
[PlyCount "76"]
[EventDate "1989.09.07"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Liga Campineira de Xadrez"]
[BlackTeam "Guaru AA"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nge2 e6 6. d3 Nge7 7. 0-0 d6 8. Be3 Nd4 9. Qd2 0-0 10. Nc1 Rb8 11. Nd1 b5 12. c3 Ndc6 13. Ne2 a5 14. Bh6 Ba6 15. Bxg7 Kxg7 16. Ne3 b4 17. h4 h5 18. g4 hxg4 19. Nxg4 Ng8 20. h5 gxh5 21. Nh2 Qh4 22. Nf3 Qg4 23. Kh2 Ne5 24. Nxe5 dxe5 25. Bh3 Qh4 26. Rg1+ Kh7 27. Rg5 Nf6 28. Ng3 Rg8 29. Rxg8 Rxg8 30. cxb4 axb4 31. Rc1 Rd8 32. Rxc5 Rxd3 33. Qe1 Qf4 34. Bf1 Rf3 35. Kg1 Bxf1 36. Qxf1 h4 37. Nh1 h3 38. Ng3 Rxg3+ 0-1

[Event "BRA-chT Inter-Clubes 8th"]
[White "Chaves, Jaime Augusto"]
[Black "Mascarenhas, Alberto Pinheiro"]
[Site "Campinas"]
[Round "6"]
[Result "1-0"]
[Date "1989.09.??"]
[ECO "A10"]
[BlackElo "2280"]
[PlyCount "72"]
[EventDate "1989.09.07"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Guaru AA"]
[BlackTeam "Tijuca TC"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. c4 f5 2. Nc3 Nf6 3. e3 g6 4. Nf3 Bg7 5. Be2 d6 6. Rb1 e5 7. d4 e4 8. Nd2 c5 9. Nb3 b6 10. f3 0-0 11. 0-0 Nc6 12. f4 Kh8 13. d5 Ne7 14. Nd2 h6 15. Qc2 g5 16. g3 Ng6 17. b4 h5 18. bxc5 bxc5 19. Bb2 Bd7 20. fxg5 Ng4 21. Bxg4 hxg4 22. Ne2 Qxg5 23. Bxg7+ Kxg7 24. Qc3+ Kg8 25. Rb7 Rf7 26. Rfb1 Rh7 27. Nf1 Ne5 28. Nf4 Qf6 29. Qb3 Kf7 30. Qa4 Ke7 31. Rxa7 Rxa7 32. Qxa7 Nf3+ 33. Kh1 Qh6 34. Rb2 Qf6 35. Rb7 Ne5 36. a4 Rh6 1-0

[Event "BRA-chT Inter-Clubes 8th"]
[White "Chaves, Jaime Augusto"]
[Black "Oliveira, Jean Paul"]
[Site "Campinas"]
[Round "1"]
[Result "0-1"]
[Date "1989.09.??"]
[ECO "A16"]
[PlyCount "98"]
[EventDate "1989.09.07"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Guaru AA"]
[BlackTeam "Montes Claros AABB"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. c4 Nf6 2. Nc3 b6 3. e4 d6 4. f4 Bb7 5. d3 e6 6. Nf3 Nbd7 7. Be2 Be7 8. 0-0 0-0 9. Qc2 c5 10. d4 cxd4 11. Nxd4 Rc8 12. Be3 Re8 13. Rad1 Qc7 14. b3 Bf8 15. Bf3 a6 16. Rde1 Qb8 17. g4 e5 18. Nf5 exf4 19. Bxf4 Ne5 20. Bxe5 dxe5 21. g5 Nd7 22. Bg4 Nc5 23. Nd5 Ne6 24. Qd2 Rcd8 25. h4 Nf4 26. Rd1 Kh8 27. Qb2 Nxd5 28. cxd5 Bc5+ 29. Kg2 a5 30. a3 b5 31. b4 axb4 32. axb4 Bf8 33. h5 Bc8 34. Rh1 Bxf5 35. Bxf5 Qd6 36. g6 fxg6 37. hxg6 h6 38. Be6 Ra8 39. Rdf1 Qxb4 40. Qxe5 Ra2+ 41. Rf2 Rxf2+ 42. Kxf2 Qd2+ 43. Kg3 Qe3+ 44. Kg4 Ra8 45. Qf4 Qe2+ 46. Qf3 Qd2 47. Ra1 Rd8 48. Bf5 Qh2 49. Qh3 Qe2+ 0-1

[Event "BRA-chT Inter-Clubes 8th"]
[White "Chaves, Jaime Augusto"]
[Black "Rodrigues, Alvaro Gama"]
[Site "Campinas"]
[Round "4"]
[Result "1-0"]
[Date "1989.09.??"]
[ECO "A34"]
[PlyCount "47"]
[EventDate "1989.09.07"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Guaru AA"]
[BlackTeam "Clube Jao"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. c4 Nf6 2. Nc3 c5 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc7 6. d3 e5 7. Nh3 Be7 8. f4 Nc6 9. Be3 Bd7 10. 0-0 Qc8 11. Nf2 exf4 12. gxf4 0-0 13. Nfe4 Nd4 14. Kh1 Bh3 15. Rg1 Bxg2+ 16. Rxg2 Nf5 17. Bf2 b6 18. Ng5 Ne6 19. Nxe6 Qxe6 20. e4 Nd4 21. Nd5 Bd6 22. f5 Nxf5 23. Qg4 g6 24. Qxf5 1-0

[Event "BRA-chT Inter-Clubes 8th"]
[White "Lodi, Delmo Cassio"]
[Black "Chaves, Jaime Augusto"]
[Site "Campinas"]
[Round "5"]
[Result "0-1"]
[Date "1989.09.??"]
[ECO "B33"]
[PlyCount "90"]
[EventDate "1989.09.07"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Banespa EC II"]
[BlackTeam "Guaru AA"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Bxf6 gxf6 9. Na3 b5 10. Nd5 Bg7 11. Bd3 Ne7 12. Qf3 Nxd5 13. exd5 h5 14. 0-0 Bg4 15. Qg3 f5 16. Bxf5 Bxf5 17. Qxg7 Rh7 18. Qg8+ Kd7 19. Qxd8+ Rxd8 20. Rac1 Rc8 21. b3 Rc3 22. Rfd1 Rh8 23. Rd2 Rhc8 24. h3 R8c5 25. f3 Bd3 26. Rcd1 Bxc2 27. Nxc2 Rxc2 28. Kh2 h4 29. g3 Rxd5 30. Rxc2 hxg3+ 31. Kxg3 Rxd1 32. Kg4 Ke6 33. Rc6 Rg1+ 34. Kh4 f5 35. Rxa6 e4 36. fxe4 fxe4 37. Ra8 d5 38. Kh5 d4 39. Re8+ Kf5 40. Rf8+ Ke5 41. a4 bxa4 42. bxa4 e3 43. a5 d3 44. a6 d2 45. Rd8 d1Q+ 0-1

[Event "BRA-chT Inter-Clubes 8th"]
[White "Lopes, Celso"]
[Black "Chaves, Jaime Augusto"]
[Site "Campinas"]
[Round "2"]
[Result "0-1"]
[Date "1989.09.??"]
[ECO "A08"]
[PlyCount "62"]
[EventDate "1989.09.07"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Sao Caetano do Sul CX II"]
[BlackTeam "Guaru AA"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. e4 c5 2. Nf3 Nc6 3. g3 g6 4. Bg2 Bg7 5. 0-0 e6 6. d3 Nge7 7. c3 d5 8. Nbd2 0-0 9. Re1 d4 10. c4 e5 11. a3 Qd6 12. Rb1 Bd7 13. Nf1 Rab8 14. Qc2 b6 15. Bd2 a5 16. b3 h6 17. Kh1 Kh8 18. Ng1 g5 19. h3 f5 20. Bc1 Rf7 21. Nh2 Rbf8 22. Rf1 Ng6 23. f3 Nd8 24. Bb2 h5 25. Qe2 Kg8 26. Rbd1 Ne6 27. Rb1 h4 28. g4 fxe4 29. fxe4 Ngf4 30. Qd2 b5 31. a4 bxa4 0-1

[Event "BRA-chT Inter-Clubes 8th"]
[White "Terzian, Francisco Antonio"]
[Black "Chaves, Jaime Augusto"]
[Site "Campinas"]
[Round "7"]
[Result "1-0"]
[Date "1989.09.??"]
[ECO "B20"]
[PlyCount "53"]
[EventDate "1989.09.07"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]
[WhiteTeam "Osasco EC"]
[BlackTeam "Guaru AA"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "BRA"]

1. e4 d6 2. f4 c5 3. Nf3 Nc6 4. d3 g6 5. g3 Bg7 6. Bg2 e6 7. 0-0 Nge7 8. c3 0-0 9. Be3 Rb8 10. d4 cxd4 11. Nxd4 b5 12. Nxc6 Nxc6 13. e5 d5 14. Nd2 b4 15. c4 Ba6 16. Re1 d4 17. Bf2 Qc7 18. b3 Rfd8 19. Ne4 Nxe5 20. fxe5 Bxe5 21. Qd3 Rb6 22. Re2 Bg7 23. g4 h6 24. Bh4 g5 25. Bg3 Qc8 26. Nd2 Qc5 27. Rae1 1-0

[Event "BRA-ch"]
[White "Braga, Cicero Nogueira"]
[Black "Chaves, Jaime Augusto"]
[Site "Brasilia"]
[Round "5"]
[Result "0-1"]
[Date "1982.04.??"]
[ECO "A25"]
[WhiteElo "2350"]
[PlyCount "82"]
[EventDate "1982.04.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 f5 4. Bg2 d6 5. e3 g6 6. Nge2 Bg7 7. d4 Nf6 8. Bxc6+ bxc6 9. dxe5 Ng4 10. exd6 cxd6 11. c5 dxc5 12. Qxd8+ Kxd8 13. Na4 c4 14. Bd2 Ke8 15. Bc3 Kf7 16. 0-0 Bxc3 17. bxc3 Be6 18. Rab1 Rab8 19. Nc5 Nf6 20. f3 Rb6 21. Nd4 Bc8 22. e4 fxe4 23. fxe4 Re8 24. Rxb6 axb6 25. Nxc6 Bh3 26. Rf3 Rc8 27. Ne5+ Kg7 28. Na4 b5 29. Nb6 Rd8 30. Rf4 g5 31. Rf3 Nxe4 32. Rf7+ Kg8 33. Nbd7 Rxd7 34. Rxd7 Bxd7 35. Nxd7 Nxc3 36. Nf6+ Kf7 37. Nxh7 Kg6 38. Nf8+ Kf5 39. Kf2 Nxa2 40. Ke3 b4 41. Nd7 b3 0-1

[Event "BRA-ch sf"]
[White "Chaves, Jaime Augusto"]
[Black "Carvalho, Herbert Abreu"]
[Site "Goiania"]
[Round "8"]
[Result "1/2-1/2"]
[Date "1982.04.??"]
[ECO "A28"]
[BlackElo "2270"]
[PlyCount "36"]
[EventDate "1982.04.03"]
[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 e5 2. Nc3 Nf6 3. Nf3 Nc6 4. e3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. a3 a5 8. b4 d6 9. b5 Nb8 10. Be2 0-0 11. 0-0 Bg4 12. Bb2 Nbd7 13. Rae1 c6 14. bxc6 bxc6 15. d4 e4 16. Nd2 Bxe2 17. Rxe2 d5 18. f3 exf3 1/2-1/2

[Event "BRA-ch"]
[White "Chaves, Jaime Augusto"]
[Black "Lima, Darcy Gustavo Macha"]
[Site "Brasilia"]
[Round "4"]
[Result "1/2-1/2"]
[Date "1982.04.??"]
[ECO "A17"]
[PlyCount "54"]
[EventDate "1982.04.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. Nf3 Bb4 4. g3 b6 5. Bg2 Bb7 6. 0-0 0-0 7. a3 Bxc3 8. bxc3 d6 9. d3 Nbd7 10. e4 Nc5 11. Nh4 Nfd7 12. f4 f5 13. Bh3 g6 14. Ra2 Qf6 15. exf5 exf5 16. Rc2 Rae8 17. Bg2 Bxg2 18. Nxg2 Qf7 19. Qf3 Nf6 20. h3 Re7 21. Rd1 Qe8 22. Rdd2 Qa8 23. Qxa8 Rxa8 24. Rd1 Rae8 25. Kf2 c6 26. Be3 Nfd7 27. Kf3 Re6 1/2-1/2

[Event "BRA-ch"]
[White "Chaves, Jaime Augusto"]
[Black "Lucena, Lincoln"]
[Site "Brasilia"]
[Round "12"]
[Result "0-1"]
[Date "1982.04.??"]
[ECO "A28"]
[PlyCount "42"]
[EventDate "1982.04.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. e3 Nf6 4. Nf3 Bb4 5. Qc2 Bxc3 6. Qxc3 Qe7 7. a3 0-0 8. b4 d5 9. d4 exd4 10. Nxd4 Nxd4 11. Qxd4 dxc4 12. Bxc4 Rd8 13. Qc3 Ne4 14. Qb3 Qg5 15. Rg1 Nxf2 16. Bd2 Bf5 17. Rf1 Nd3+ 18. Bxd3 Rxd3 19. Qc4 Rad8 20. Rd1 Be6 21. Qxc7 Qxg2 0-1

[Event "BRA-ch sf"]
[White "Chaves, Jaime Augusto"]
[Black "Oliveira, Paulo Luiz"]
[Site "Goiania"]
[Round "7"]
[Result "1-0"]
[Date "1982.04.??"]
[ECO "A22"]
[PlyCount "43"]
[EventDate "1982.04.03"]
[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 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. g3 d5 5. cxd5 Nxd5 6. Bg2 Nxc3 7. bxc3 e5 8. d3 Be7 9. 0-0 0-0 10. Rb1 Qa5 11. Qc2 Rb8 12. Ng5 Qa6 13. Be3 h6 14. Ne4 Qa5 15. f4 Be6 16. f5 Bd5 17. f6 Bd8 18. Qd2 Bxe4 19. fxg7 Re8 20. Bxe4 Kxg7 21. Bxh6+ Kg8 22. Bxc6 1-0

[Event "BRA-ch"]
[White "Chaves, Jaime Augusto"]
[Black "Padua Filho, Antonio"]
[Site "Brasilia"]
[Round "6"]
[Result "1/2-1/2"]
[Date "1982.04.??"]
[ECO "A34"]
[PlyCount "54"]
[EventDate "1982.04.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. g3 Nf6 4. Bg2 Be7 5. 0-0 0-0 6. b3 c5 7. Bb2 Nc6 8. cxd5 Nxd5 9. Nc3 Nc7 10. Rc1 Rb8 11. Na4 Na6 12. d4 Qa5 13. Bc3 Qb5 14. dxc5 Rd8 15. Qc2 Nxc5 16. Nxc5 Bxc5 17. a4 Qb6 18. Bxg7 Bxf2+ 19. Rxf2 Kxg7 20. Qb2+ f6 21. g4 Rf8 22. g5 e5 23. Rcf1 Qe3 24. b4 Bg4 25. b5 Bxf3 26. Bxf3 Nd4 27. Qc1 Nxf3+ 1/2-1/2

[Event "BRA-ch"]
[White "Chaves, Jaime Augusto"]
[Black "Resende, Antonio Carlos"]
[Site "Brasilia"]
[Round "14"]
[Result "1-0"]
[Date "1982.04.??"]
[ECO "A13"]
[BlackElo "2360"]
[PlyCount "97"]
[EventDate "1982.04.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 e6 2. g3 d5 3. Bg2 Nf6 4. b3 c5 5. Nf3 Nc6 6. cxd5 exd5 7. Bb2 d4 8. 0-0 Be7 9. Re1 0-0 10. e4 dxe3 11. dxe3 Nb4 12. Qe2 Bf5 13. Rd1 Bd3 14. Qd2 Qb6 15. Na3 Ne4 16. Qc1 Be2 17. Rd7 Bf6 18. Nd2 Bg4 19. Nac4 Qe6 20. Bxf6 Nxf6 21. Rd6 Qe7 22. a3 Nc6 23. h3 Be6 24. Rd3 Rad8 25. Rxd8 Rxd8 26. Nf1 Qd7 27. Kh2 h5 28. Ra2 h4 29. Rd2 hxg3+ 30. Nxg3 Qc7 31. Qd1 Bxc4 32. Rxd8+ Qxd8 33. Qxd8+ Nxd8 34. bxc4 b6 35. Nf5 Kf8 36. Kg3 g6 37. Nd6 Nd7 38. f4 Nb8 39. f5 gxf5 40. Nxf5 Nbc6 41. Bd5 Ne5 42. Kf4 f6 43. Nd6 Ndc6 44. Kf5 Ke7 45. Ne4 Na5 46. Nd2 Nd7 47. h4 Kf8 48. Be6 Ne5 49. Kxf6 1-0

[Event "BRA-ch"]
[White "Chaves, Jaime Augusto"]
[Black "Ticianeli, Auriberto"]
[Site "Brasilia"]
[Round "2"]
[Result "1/2-1/2"]
[Date "1982.04.??"]
[ECO "A13"]
[PlyCount "92"]
[EventDate "1982.04.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. Bg2 dxc4 5. 0-0 Nbd7 6. Na3 Bxa3 7. bxa3 0-0 8. Bb2 a6 9. a4 c5 10. Qc2 Qc7 11. Qxc4 b5 12. Qh4 Bb7 13. Rfc1 Rfc8 14. a3 Rab8 15. axb5 axb5 16. d3 e5 17. Rab1 e4 18. Nd4 exd3 19. Nxb5 Qb6 20. Bxb7 Rxb7 21. Bxf6 d2 22. Rd1 Nxf6 23. Rxd2 Qa5 24. Rdb2 c4 25. Qd4 Rd7 26. Qc3 Qd8 27. Qf3 Rd1+ 28. Kg2 h5 29. Rxd1 Qxd1 30. Nc3 Qc1 31. Ra2 h4 32. h3 hxg3 33. fxg3 Re8 34. a4 Qg5 35. e4 Rd8 36. Ne2 Qe5 37. Qf4 Qxf4 38. gxf4 Nxe4 39. a5 c3 40. Kf3 f5 41. Ke3 Nc5 42. Nd4 Re8+ 43. Kf3 Ra8 44. Nxf5 c2 45. Rxc2 Rxa5 46. Kg4 Ne4 1/2-1/2

[Event "BRA-ch"]
[White "Chaves, Jaime Augusto"]
[Black "Trois, Francisco R Torres"]
[Site "Brasilia"]
[Round "10"]
[Result "1-0"]
[Date "1982.04.??"]
[ECO "A15"]
[BlackElo "2415"]
[PlyCount "93"]
[EventDate "1982.04.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 e6 2. g3 Nf6 3. Bg2 a6 4. Nc3 d5 5. cxd5 exd5 6. Nf3 Be7 7. 0-0 0-0 8. d4 c6 9. Qb3 Nbd7 10. Bd2 Bd6 11. Rfc1 a5 12. a4 Re8 13. Ne1 Nf8 14. Nd3 Ne6 15. e3 Ng5 16. f3 h5 17. Nf2 Ne6 18. Qc2 Nh7 19. Ne2 g6 20. Nd3 Ng7 21. Re1 Ng5 22. Nf2 Qf6 23. f4 Nh7 24. e4 dxe4 25. Nxe4 Qf5 26. Rac1 Bf8 27. N2c3 Rd8 28. Be3 Ne6 29. Qf2 Nc7 30. Nd2 Be6 31. Be4 Qf6 32. d5 cxd5 33. Bd4 Qe7 34. Bd3 f5 35. Nf3 Nf6 36. Ng5 Ne4 37. Ncxe4 dxe4 38. Rxc7 Qxc7 39. Nxe6 Qd7 40. Bc4 Kh7 41. Nxd8 Rxd8 42. Bb6 Qc6 43. Rc1 Kh6 44. b3 Rd3 45. Bxd3 Qxc1+ 46. Bf1 h4 47. g4 1-0

[Event "BRA-ch"]
[White "Chaves, Jaime Augusto"]
[Black "Van Riemsdijk, Herman Claudius"]
[Site "Brasilia"]
[Round "8"]
[Result "1-0"]
[Date "1982.04.??"]
[ECO "A28"]
[BlackElo "2375"]
[PlyCount "125"]
[EventDate "1982.04.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. e3 Be7 5. d4 exd4 6. Nxd4 0-0 7. Be2 Re8 8. 0-0 Bf8 9. b3 d6 10. Nxc6 bxc6 11. Bf3 Bd7 12. Bb2 Rb8 13. Re1 Qc8 14. h3 Qb7 15. e4 Be6 16. Rb1 Nd7 17. g4 a5 18. Bg2 Qa7 19. Ne2 a4 20. Nd4 Rb6 21. Bc3 Reb8 22. e5 Nxe5 23. Nxe6 fxe6 24. Bxe5 dxe5 25. Rxe5 axb3 26. axb3 Rxb3 27. Rxb3 Rxb3 28. Rxe6 Qa2 29. Bf1 Rb1 30. Qd3 Qb3 31. Qxb3 Rxb3 32. Rxc6 Rb7 33. Bd3 Bd6 34. c5 Bf4 35. Kg2 Rb4 36. Ra6 g6 37. Kf3 Kg7 38. h4 Bh2 39. Be4 Be5 40. Re6 Rb3+ 41. Ke2 Rb2+ 42. Kd3 Bh2 43. f3 Kf8 44. h5 gxh5 45. gxh5 Rg2 46. Bxh7 Rg5 47. Bg6 Rxc5 48. h6 Rd5+ 49. Ke4 Rd8 50. f4 Bxf4 51. Kxf4 Kg8 52. Re7 c5 53. Rc7 c4 54. Rxc4 Kh8 55. Rc7 Ra8 56. Kg5 Rb8 57. Rh7+ Kg8 58. Bf5 Re8 59. Kg6 Re1 60. Rf7 Rg1+ 61. Kf6 Kh8 62. Rg7 Rg2 63. Kf7 1-0

[Event "BRA-ch"]
[White "Da Cunha, Marcos Paolozzi"]
[Black "Chaves, Jaime Augusto"]
[Site "Brasilia"]
[Round "7"]
[Result "1-0"]
[Date "1982.04.??"]
[ECO "B12"]
[WhiteElo "2330"]
[PlyCount "47"]
[EventDate "1982.04.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 f6 7. Nf4 fxe5 8. Nxe6 Qe7 9. Nxf8 exd4+ 10. Be2 Qxf8 11. Qxd4 Qf6 12. Be3 Nd7 13. 0-0-0 Ne7 14. h4 h5 15. Qb4 b6 16. Bg5 a5 17. Qa3 Qf7 18. Qd6 Nf6 19. gxh5 Bxh5 20. Bxh5 Rxh5 21. Rhe1 Kf8 22. Re6 Nfg8 23. Rde1 Re8 24. Na4 1-0

[Event "BRA-ch"]
[White "Filguth, Rubens Alberto"]
[Black "Chaves, Jaime Augusto"]
[Site "Brasilia"]
[Round "3"]
[Result "1-0"]
[Date "1982.04.??"]
[ECO "A25"]
[WhiteElo "2345"]
[PlyCount "69"]
[EventDate "1982.04.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 d6 5. e3 Bf5 6. d3 g6 7. Nge2 Bg7 8. Nd5 Qd7 9. e4 Be6 10. Bh6 0-0 11. Nxf6+ Bxf6 12. Bxf8 Rxf8 13. Qd2 Bg7 14. 0-0 Bg4 15. f3 Be6 16. b4 Ne7 17. Rac1 c5 18. Rb1 b6 19. Kh1 Nc6 20. a3 f6 21. Nc3 Kh8 22. Rf2 Rd8 23. b5 Na5 24. Rbf1 h6 25. f4 Bg8 26. a4 Nb7 27. h4 Rb8 28. Kh2 Na5 29. Bh3 Qd8 30. Qc2 Rb7 31. Nd5 Qe8 32. Qd1 h5 33. fxe5 fxe5 34. Nf6 Qd8 35. Nxh5 1-0

[Event "BRA-ch"]
[White "Madeira, Wagner Martins"]
[Black "Chaves, Jaime Augusto"]
[Site "Brasilia"]
[Round "9"]
[Result "1-0"]
[Date "1982.04.??"]
[ECO "B17"]
[PlyCount "49"]
[EventDate "1982.04.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng5 e6 7. Qe2 Nb6 8. Bd3 h6 9. N5f3 c5 10. dxc5 Nbd7 11. b4 b6 12. Nd4 Nd5 13. Nxe6 fxe6 14. Bg6+ Ke7 15. Nf3 Qc7 16. 0-0 bxc5 17. Re1 N7f6 18. bxc5 Qxc5 19. c4 Nb4 20. Be3 Qa5 21. Bd2 Qc5 22. Nd4 Nc6 23. Nxe6 Bxe6 24. Qxe6+ Kd8 25. Be3 1-0

[Event "BRA-ch"]
[White "Milos, Gilberto"]
[Black "Chaves, Jaime Augusto"]
[Site "Brasilia"]
[Round "13"]
[Result "0-1"]
[Date "1982.04.??"]
[ECO "D85"]
[PlyCount "68"]
[EventDate "1982.04.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. Nc3 d5 4. d4 Bg7 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 c5 8. Rb1 0-0 9. Be2 Nc6 10. d5 Bxc3+ 11. Bd2 Bxd2+ 12. Qxd2 Nd4 13. Nxd4 cxd4 14. Qxd4 Qa5+ 15. Qd2 Qxd2+ 16. Kxd2 f5 17. e5 Rd8 18. Ke3 b6 19. Rhc1 Bb7 20. Rc7 Bxd5 21. Rxe7 Re8 22. Rxe8+ Rxe8 23. Kf4 Rc8 24. Rd1 Be6 25. Rd2 Kf7 26. a4 Rc3 27. Bb5 Ra3 28. Rc2 h6 29. h4 a6 30. Bc6 Rb3 31. Bf3 Rb4+ 32. Kg3 g5 33. Rc7+ Kf8 34. Rc6 Rxh4 0-1

[Event "BRA-ch sf"]
[White "Mont'Alverne, Ruillon"]
[Black "Chaves, Jaime Augusto"]
[Site "Goiania"]
[Round "1"]
[Result "0-1"]
[Date "1982.04.??"]
[ECO "B13"]
[PlyCount "100"]
[EventDate "1982.04.03"]
[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 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 g6 6. Nf3 Nh6 7. 0-0 Bf5 8. Re1 Bxd3 9. Qxd3 Bg7 10. Nbd2 0-0 11. Nf1 Nf5 12. Ne3 Qd7 13. Nxf5 Qxf5 14. Qxf5 gxf5 15. Bf4 Rfe8 16. Re2 b5 17. Rae1 e6 18. Ne5 Nxe5 19. Bxe5 a5 20. Bxg7 Kxg7 21. a4 Rab8 22. axb5 Rxb5 23. Ra1 f4 24. f3 Kg6 25. Kf2 f6 26. Ra2 e5 27. g3 Kf5 28. dxe5 fxe5 29. gxf4 Kxf4 30. Ra4+ e4 31. Rd4 Re5 32. fxe4 dxe4 33. Ra4 Rb6 34. Ke1 Rh6 35. Rf2+ Kg4 36. Ke2 Rh3 37. Rd4 Kg5 38. Rg2+ Kf5 39. Rf2+ Ke6 40. Rd8 Rb5 41. Ke1 e3 42. Re2 Ke5 43. Re8+ Kf4 44. Kd1 Re5 45. Rxe5 Kxe5 46. Kc2 Ke4 47. c4 Rf3 48. b3 Rf2 49. Kd1 Kd3 50. Re1 Ra2 0-1

[Event "BRA-ch"]
[White "Segal, Alexandru Sorin"]
[Black "Chaves, Jaime Augusto"]
[Site "Brasilia"]
[Round "15"]
[Result "1-0"]
[Date "1982.04.??"]
[ECO "A87"]
[PlyCount "61"]
[EventDate "1982.04.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 g6 2. g3 Bg7 3. d4 f5 4. Bg2 Nf6 5. c4 0-0 6. Nc3 d6 7. 0-0 Qe8 8. d5 Na6 9. Nd4 Bd7 10. e4 Nxe4 11. Nxe4 fxe4 12. Bxe4 c6 13. Bg2 Nc7 14. Bg5 h6 15. Be3 c5 16. Ne2 b5 17. Qd2 Kh7 18. Rac1 Bf5 19. cxb5 Qxb5 20. b4 Bd3 21. Nf4 Rxf4 22. Bxf4 c4 23. Rfe1 Nxd5 24. a4 Qb7 25. Bxd5 Qxd5 26. Rxe7 g5 27. Be3 Kg8 28. Bxa7 Bf6 29. Rc7 Bd8 30. Rd7 Qc6 31. Qxd3 1-0

[Event "BRA-ch"]
[White "Sunye Neto, Jaime"]
[Black "Chaves, Jaime Augusto"]
[Site "Brasilia"]
[Round "1"]
[Result "1-0"]
[Date "1982.04.??"]
[ECO "A25"]
[WhiteElo "2475"]
[PlyCount "67"]
[EventDate "1982.04.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Rb1 a5 6. a3 Nh6 7. e3 d6 8. Nge2 0-0 9. d3 Ne7 10. 0-0 c6 11. d4 Nhf5 12. dxe5 dxe5 13. Qc2 Rb8 14. c5 Nh6 15. Bd2 f5 16. Rbd1 Be6 17. Na4 Qe8 18. Nb6 g5 19. Bxa5 f4 20. exf4 gxf4 21. gxf4 Nef5 22. fxe5 Bxe5 23. Nc4 Bxh2+ 24. Kxh2 b6 25. Bh3 Qh5 26. Rd3 Ng4+ 27. Kg1 bxa5 28. Nf4 Nd4 29. Nxh5 Nxc2 30. Nxa5 Kf7 31. Nxc6 Rb5 32. Bxg4 Rxc5 33. Nd8+ Rxd8 34. Bxe6+ 1-0

[Event "BRA-ch"]
[White "Tsuboi, Edson Kenji"]
[Black "Chaves, Jaime Augusto"]
[Site "Brasilia"]
[Round "11"]
[Result "0-1"]
[Date "1982.04.??"]
[ECO "B89"]
[PlyCount "54"]
[EventDate "1982.04.??"]
[EventType "tourn"]
[EventRounds "15"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 e6 7. Be3 Be7 8. Qe2 a6 9. 0-0-0 0-0 10. g4 Nxd4 11. Bxd4 b5 12. Bb3 b4 13. Na4 Nd7 14. f4 Bb7 15. Rhg1 Bc6 16. g5 Qa5 17. Rd3 Bxa4 18. Qh5 Rfc8 19. Rh3 Nf8 20. Kb1 Bxb3 21. axb3 Qb5 22. Bf6 Ra7 23. e5 Qc6 24. Qe2 a5 25. Rd3 a4 26. Bxe7 axb3 27. Rxb3 Qa4 0-1

[Event "Sao Paulo Torneio Rating"]
[White "Chaves, Jaime Augusto"]
[Black "Segal, Alexandru Sorin"]
[Site "Sao Paulo"]
[Round "8"]
[Result "0-1"]
[Date "1979.05.??"]
[ECO "C13"]
[PlyCount "98"]
[EventDate "1979.05.??"]
[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 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 dxe4 5. Nxe4 Be7 6. Bxf6 gxf6 7. Nf3 b6 8. c3 Bb7 9. Qa4+ Qd7 10. Bb5 c6 11. Be2 Qc7 12. b4 a5 13. bxa5 Rxa5 14. Qc2 Nd7 15. Ned2 c5 16. Nc4 Ra8 17. Qd2 Rd8 18. Rc1 Rg8 19. 0-0 Bc6 20. Qe3 Ra8 21. Rc2 b5 22. Ncd2 c4 23. Qh6 Bd6 24. g3 Ke7 25. Bd1 Bf4 26. Qh5 Rg6 27. Re1 Kf8 28. Kf1 Bxd2 29. Rxd2 Kg7 30. Bc2 f5 31. Nh4 Nf6 32. Qe2 Rxa2 33. Bxf5 Rxd2 34. Qxd2 exf5 35. Nxf5+ Kh8 36. Ne7 Kg7 37. Nf5+ Kh8 38. Ne7 Qd7 39. Nxg6+ hxg6 40. Qf4 Kg7 41. h4 Qh3+ 42. Ke2 Nd5 43. Qe5+ Kh7 44. Kd2 b4 45. cxb4 c3+ 46. Kd3 Bb5+ 47. Kc2 Qg2 48. Kb3 Qxf2 49. Rb1 Qf3 0-1

[Event "Sao Paulo Torneio Rating"]
[White "Chaves, Jaime Augusto"]
[Black "Van Riemsdijk, Herman Claudius"]
[Site "Sao Paulo"]
[Round "6"]
[Result "1-0"]
[Date "1979.05.??"]
[ECO "A34"]
[BlackElo "2390"]
[PlyCount "53"]
[EventDate "1979.05.??"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nc7 6. Nf3 Nc6 7. Qa4 Qd7 8. 0-0 Rb8 9. d3 e5 10. Nd2 b5 11. Qe4 Bb7 12. f4 Bd6 13. f5 h5 14. Qe3 Be7 15. Nde4 f6 16. Nxc5 Bxc5 17. Qxc5 Ne7 18. Qxa7 Qc8 19. Bxb7 Rxb7 20. Qf2 h4 21. Ne4 hxg3 22. Qxg3 Qd8 23. Qxg7 Kd7 24. Nxf6+ Kc8 25. Bg5 Na6 26. Rac1+ Kb8 27. Ne4 1-0

[Event "Sao Paulo Torneio Rating"]
[White "Tsuboi, Edson Kenji"]
[Black "Chaves, Jaime Augusto"]
[Site "Sao Paulo"]
[Round "7"]
[Result "1-0"]
[Date "1979.05.??"]
[ECO "A08"]
[PlyCount "53"]
[EventDate "1979.05.??"]
[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. d3 Nc6 4. g3 Nge7 5. Bg2 d5 6. Nbd2 g6 7. 0-0 Bg7 8. c3 b6 9. Re1 0-0 10. e5 Qc7 11. Qe2 Ba6 12. Nf1 d4 13. c4 b5 14. b3 bxc4 15. bxc4 Rab8 16. h4 Qa5 17. h5 Qc3 18. Bd2 Qa3 19. hxg6 Nxg6 20. Ng5 Ncxe5 21. f4 Nxd3 22. f5 Bxc4 23. Qh5 h6 24. f6 hxg5 25. Bxg5 Nxe1 26. fxg7 Nxg2 27. Bf6 1-0

[Event "Sao Paulo Torneio Rating"]
[White "Van Riemsdijk, Dirk Dagobert"]
[Black "Chaves, Jaime Augusto"]
[Site "Sao Paulo"]
[Round "2"]
[Result "1-0"]
[Date "1979.05.??"]
[ECO "B07"]
[WhiteElo "2280"]
[PlyCount "49"]
[EventDate "1979.05.??"]
[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 d6 2. d4 Nf6 3. Nd2 g6 4. Ngf3 Bg7 5. Bc4 0-0 6. Qe2 c6 7. Bb3 Nh5 8. 0-0 e5 9. dxe5 dxe5 10. Nc4 Qc7 11. Rd1 Na6 12. Nd6 Nc5 13. Bxf7+ Rxf7 14. Nxf7 Kxf7 15. Ng5+ Ke7 16. b3 Ne6 17. Ba3+ c5 18. Qe3 b6 19. b4 Nhf4 20. bxc5 Nxc5 21. g3 Nfe6 22. Rd5 Bf8 23. Rad1 Kf6 24. Qf3+ Kg7 25. Rd7+ 1-0

[Event "BRA-ch sf"]
[White "Antunes, Roberto"]
[Black "Chaves, Jaime Augusto"]
[Site "Natal"]
[Round "5"]
[Result "1-0"]
[Date "1978.07.??"]
[ECO "B09"]
[PlyCount "83"]
[EventDate "1978.07.10"]
[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 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Bd3 Na6 7. e5 Ne8 8. Be3 c6 9. h4 Nb4 10. h5 Nxd3+ 11. cxd3 Nc7 12. Qd2 Bg4 13. Nh2 Qd7 14. Qf2 f6 15. hxg6 hxg6 16. Qh4 Bf5 17. g4 Bxd3 18. 0-0-0 Bc4 19. f5 g5 20. Qh3 Rfc8 21. Nf3 Qe8 22. e6 Bxe6 23. fxe6 Qg6 24. d5 cxd5 25. Nd4 b5 26. Nf5 Kf8 27. Qh8+ Bxh8 28. Rxh8+ Qg8 29. Rxg8+ Kxg8 30. Nxe7+ Kg7 31. Nxc8 Rxc8 32. Kb1 a6 33. Nxd5 Nxe6 34. Ne7 Rc4 35. Nf5+ Kg6 36. Nd4 Nxd4 37. Rxd4 Rxd4 38. Bxd4 f5 39. gxf5+ Kxf5 40. Kc2 Ke4 41. Bb6 g4 42. Bc7 1-0

[Event "BRA-ch sf"]
[White "Chaves, Jaime Augusto"]
[Black "Andrade, Roberto Luiz Costa"]
[Site "Natal"]
[Round "2"]
[Result "1-0"]
[Date "1978.07.??"]
[ECO "C63"]
[PlyCount "105"]
[EventDate "1978.07.10"]
[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 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 Be7 6. 0-0 Nf6 7. Nxf6+ Bxf6 8. Bxc6 dxc6 9. Nxe5 0-0 10. d4 c5 11. c3 Be6 12. Bf4 cxd4 13. Qxd4 Qxd4 14. cxd4 Rad8 15. Rfd1 Bxe5 16. Bxe5 Rd7 17. Re1 Bd5 18. Re3 Rf5 19. Rc3 c6 20. f4 h5 21. h3 h4 22. g4 hxg3 23. Rxg3 Rh5 24. b4 a6 25. a4 Bc4 26. Kf2 Be6 27. Rag1 Rh7 28. h4 Kf8 29. Ke3 Bf5 30. Rh1 g6 31. Kd2 Rh5 32. Kc3 Rd5 33. Bf6 Rh7 34. Re3 Rhd7 35. h5 Kf7 36. h6 Kxf6 37. h7 Rxh7 38. Rxh7 Rd7 39. Rxd7 Bxd7 40. Kc4 b6 41. a5 bxa5 42. bxa5 Kf5 43. Re7 Bc8 44. Rf7+ Ke4 45. Kc5 Bf5 46. Re7+ Kxf4 47. Kxc6 g5 48. d5 g4 49. d6 g3 50. d7 g2 51. Rg7 Bg4 52. Rxg4+ Kxg4 53. d8Q 1-0

[Event "BRA-ch sf"]
[White "Chaves, Jaime Augusto"]
[Black "Asfora, Eduardo Hasbum"]
[Site "Natal"]
[Round "6"]
[Result "1-0"]
[Date "1978.07.??"]
[ECO "B35"]
[PlyCount "33"]
[EventDate "1978.07.10"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Bc4 0-0 8. f3 Qb6 9. Rb1 Nxe4 10. Nd5 Qc5 11. Nxc6 Qxc4 12. Ncxe7+ Kh8 13. fxe4 b6 14. Qd3 Qxa2 15. c4 Ba6 16. Rc1 Qxb2 17. 0-0 1-0

[Event "BRA-ch sf"]
[White "Chaves, Jaime Augusto"]
[Black "Asfora, Marco Antonio Hazin"]
[Site "Natal"]
[Round "3"]
[Result "1-0"]
[Date "1978.07.??"]
[ECO "C02"]
[PlyCount "91"]
[EventDate "1978.07.10"]
[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. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 c4 7. g3 f6 8. exf6 Nxf6 9. Bh3 Bd6 10. 0-0 0-0 11. Nbd2 e5 12. Bxc8 Raxc8 13. dxe5 Bxe5 14. Rb1 Qc5 15. Nxe5 Nxe5 16. Nf3 Nd3 17. Be3 Qc6 18. Ne1 Nxe1 19. Rxe1 Rce8 20. Qd4 b6 21. Rbd1 Re4 22. Qd2 Re5 23. Qd4 Rfe8 24. f3 Nd7 25. Qd2 Nc5 26. Bxc5 Qxc5+ 27. Kf1 Rxe1+ 28. Rxe1 Rxe1+ 29. Qxe1 Kf7 30. Qe5 b5 31. Qf5+ Kg8 32. Qd7 h6 33. h4 Kh7 34. Qf5+ Kh8 35. Qe5 a5 36. g4 Kh7 37. Qf5+ Kh8 38. Qe6 b4 39. axb4 axb4 40. g5 hxg5 41. hxg5 g6 42. Qxg6 Qe7 43. cxb4 Qd7 44. Qh6+ Kg8 45. g6 d4 46. Qh7+ 1-0

[Event "BRA-ch sf"]
[White "Filguth, Rubens Alberto"]
[Black "Chaves, Jaime Augusto"]
[Site "Natal"]
[Round "4"]
[Result "1-0"]
[Date "1978.07.??"]
[ECO "A28"]
[WhiteElo "2350"]
[PlyCount "35"]
[EventDate "1978.07.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. Nf3 Nf6 4. e3 Be7 5. a3 d5 6. cxd5 Nxd5 7. Bb5 Nxc3 8. bxc3 e4 9. Ne5 Qd5 10. Qa4 Bd7 11. Nxd7 Kxd7 12. Rb1 Rab8 13. Bc4 Qg5 14. 0-0 Bd6 15. f4 Qh5 16. Rb5 f5 17. Bd5 a6 18. Rxb7 1-0

[Event "BRA-ch sf"]
[White "Limp, Eduardo Thelio"]
[Black "Chaves, Jaime Augusto"]
[Site "Natal"]
[Round "7"]
[Result "1/2-1/2"]
[Date "1978.07.??"]
[ECO "C36"]
[PlyCount "31"]
[EventDate "1978.07.10"]
[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 e5 2. f4 exf4 3. Nf3 d5 4. exd5 Nf6 5. Nc3 Nxd5 6. Bc4 Nxc3 7. bxc3 Qe7+ 8. Qe2 Qxe2+ 9. Kxe2 Bd6 10. d4 0-0 11. h4 Re8+ 12. Kf2 Be6 13. Bb3 Nd7 14. h5 Bxb3 15. cxb3 h6 16. Rh4 1/2-1/2

[Event "BRA-ch sf"]
[White "Trois, Francisco R Torres"]
[Black "Chaves, Jaime Augusto"]
[Site "Natal"]
[Round "1"]
[Result "1-0"]
[Date "1978.07.??"]
[ECO "B07"]
[WhiteElo "2385"]
[PlyCount "57"]
[EventDate "1978.07.10"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 g6 2. e4 d6 3. d4 Nf6 4. Nbd2 Bg7 5. c3 0-0 6. Be2 Nc6 7. 0-0 e5 8. dxe5 Nxe5 9. Nxe5 dxe5 10. Qc2 c6 11. Nc4 Qc7 12. a4 Be6 13. b3 Rfd8 14. a5 Nd7 15. Bg5 f6 16. Be3 Bf8 17. f4 b5 18. axb6 axb6 19. f5 Bf7 20. b4 b5 21. Rxa8 Rxa8 22. Na5 c5 23. Qd2 c4 24. fxg6 hxg6 25. Bg4 Nc5 26. bxc5 Rxa5 27. Qd7 Qa7 28. Qxa7 Rxa7 29. c6 1-0

[Event "WchT Students 22nd final A"]
[White "Hertzog, Peter"]
[Black "Chaves, Jaime Augusto"]
[Site "Mexico City"]
[Round "7"]
[Result "1-0"]
[Date "1977.08.20"]
[ECO "E91"]
[WhiteElo "2310"]
[PlyCount "26"]
[EventDate "1977.08.14"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "German Fed Rep"]
[BlackTeam "Brazil"]
[WhiteTeamCountry "GER"]
[BlackTeamCountry "BRA"]

1. d4 d6 2. c4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. e4 0-0 6. Be2 c6 7. h3 Qc7 8. Bf4 Nh5 9. Be3 e5 10. Qd2 Nd7 11. Rd1 Nhf6 12. a4 Re8 13. dxe5 dxe5 1-0

[Event "WchT Students 22nd final A"]
[White "De Firmian, Nick E"]
[Black "Chaves, Jaime Augusto"]
[Site "Mexico City"]
[Round "4"]
[Result "0-1"]
[Date "1977.08.17"]
[ECO "B09"]
[PlyCount "15"]
[EventDate "1977.08.14"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "United States"]
[BlackTeam "Brazil"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "BRA"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Be2 0-0 6. Nf3 Na6 7. e5 dxe5 8. dxe5 0-1

[Event "WchT Students 22nd final A"]
[White "Chaves, Jaime Augusto"]
[Black "Ostos, Julio Eduardo"]
[Site "Mexico City"]
[Round "3"]
[Result "0-1"]
[Date "1977.08.16"]
[ECO "A05"]
[BlackElo "2270"]
[PlyCount "12"]
[EventDate "1977.08.14"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Brazil"]
[BlackTeam "Venezuela"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "VEN"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. 0-0 e6 5. d3 d5 6. Nbd2 Nbd7 0-1

[Event "WchT Students 22nd final A"]
[White "Chaves, Jaime Augusto"]
[Black "Beliavsky, Alexander G"]
[Site "Mexico City"]
[Round "2"]
[Result "1/2-1/2"]
[Date "1977.08.15"]
[ECO "C69"]
[BlackElo "2555"]
[PlyCount "64"]
[EventDate "1977.08.14"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Brazil"]
[BlackTeam "Soviet Union"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "URS"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 f6 6. d4 Bg4 7. dxe5 Qxd1 8. Rxd1 fxe5 9. Rd3 Bd6 10. Nbd2 b5 11. b3 Ne7 12. a4 0-0 13. Ba3 c5 14. Re3 Nc6 15. h3 Be6 16. Ne1 Nd4 17. Rc1 Rf7 18. Nd3 c4 19. Bxd6 cxd6 20. bxc4 bxc4 21. c3 Nc6 22. Nb4 Nxb4 23. cxb4 Rb7 24. Rec3 Rc8 25. Rb1 Rc6 26. b5 axb5 27. axb5 Rc5 28. b6 Rc6 29. Rbc1 Rbxb6 30. Nxc4 Rb5 31. Nd2 Rcc5 32. Nf3 Rxc3 1/2-1/2

[Event "WchT Students 22nd final A"]
[White "Chaves, Jaime Augusto"]
[Black "Mestel, A Jonathan"]
[Site "Mexico City"]
[Round "1"]
[Result "0-1"]
[Date "1977.08.14"]
[ECO "B72"]
[PlyCount "64"]
[EventDate "1977.08.14"]
[EventType "team-tourn"]
[EventRounds "9"]
[EventCountry "MEX"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Brazil"]
[BlackTeam "England"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "ENG"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. h3 0-0 8. Bc4 a6 9. Bb3 b5 10. Nd5 Bb7 11. Nxf6+ Bxf6 12. Bh6 Re8 13. 0-0 Bxe4 14. Qe2 d5 15. Rad1 Qb6 16. Be3 e5 17. Ne6 d4 18. Bg5 Bxg2 19. Kxg2 Qc6+ 20. Qf3 Rxe6 21. Bxe6 Qxf3+ 22. Kxf3 Bxg5 23. Bd5 Ra7 24. c3 dxc3 25. bxc3 Rc7 26. Rd3 Nd7 27. Ke2 Nc5 28. Rf3 Na4 29. Kd3 Kg7 30. Kc2 f5 31. Bb3 e4 32. Rg3 Bf4 0-1

[Event "WchT Students 22nd Group1"]
[White "Taylor, Gordon"]
[Black "Chaves, Jaime Augusto"]
[Site "Mexico City"]
[Round "5"]
[Result "0-1"]
[Date "1977.08.12"]
[ECO "D91"]
[PlyCount "52"]
[EventDate "1977.08.07"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "MEX"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Canada"]
[BlackTeam "Brazil"]
[WhiteTeamCountry "CAN"]
[BlackTeamCountry "BRA"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Bh4 Nxc3 6. bxc3 c5 7. e3 Bg7 8. Nf3 cxd4 9. cxd4 Nc6 10. Rc1 0-0 11. cxd5 Qxd5 12. Bc4 Qe4 13. Bd3 Qd5 14. 0-0 Qxa2 15. Bc4 Qa3 16. Ra1 Qd6 17. Bg3 Qd8 18. h3 b6 19. Ng5 Bb7 20. f4 e6 21. Qg4 Ne7 22. Qe2 Nf5 23. Bf2 h6 24. Nf3 Nd6 25. e4 Nxc4 26. Qxc4 Bxe4 0-1

[Event "WchT Students 22nd Group1"]
[White "Dorfman, Josif D"]
[Black "Chaves, Jaime Augusto"]
[Site "Mexico City"]
[Round "4"]
[Result "1-0"]
[Date "1977.08.10"]
[ECO "B08"]
[PlyCount "77"]
[EventDate "1977.08.07"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "MEX"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Soviet Union"]
[BlackTeam "Brazil"]
[WhiteTeamCountry "URS"]
[BlackTeamCountry "BRA"]

1. Nf3 g6 2. e4 d6 3. d4 Nf6 4. Nc3 Bg7 5. Be2 0-0 6. 0-0 c6 7. h3 Qc7 8. Bf4 Nbd7 9. e5 dxe5 10. Nxe5 Qd8 11. Re1 Nb6 12. Bf3 Be6 13. Qd2 Rc8 14. Rad1 Re8 15. Bh6 Bh8 16. b3 Nbd7 17. Qg5 Nd5 18. Nxd5 Bxd5 19. Qf4 Nf6 20. g4 Be6 21. c4 Qa5 22. g5 Nd7 23. Nxg6 hxg6 24. Rxe6 Qf5 25. Qxf5 gxf5 26. Ree1 b6 27. Bh5 e5 28. g6 Re6 29. dxe5 fxg6 30. Rxd7 gxh5 31. Bf4 Rce8 32. Rxa7 b5 33. Ra5 Bxe5 34. Bxe5 Rxe5 35. Rxe5 Rxe5 36. Kf1 Kf7 37. a4 Kf6 38. axb5 Kg5 39. b6 1-0

[Event "WchT Students 22nd Group1"]
[White "Chaves, Jaime Augusto"]
[Black "Upton, Timothy J"]
[Site "Mexico City"]
[Round "1"]
[Result "1/2-1/2"]
[Date "1977.08.07"]
[ECO "C72"]
[PlyCount "29"]
[EventDate "1977.08.07"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "MEX"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]
[WhiteTeam "Brazil"]
[BlackTeam "Scotland"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "SCO"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 d6 5. 0-0 Bg4 6. Bxc6+ bxc6 7. d3 Nf6 8. Nbd2 Be7 9. b3 0-0 10. Bb2 Nd7 11. h3 Bh5 12. Nc4 Bg6 13. Na5 c5 14. g4 Nb8 15. Kg2 1/2-1/2

[Event "World U20-ch15"]
[White "Oltra Caurin, Ramon"]
[Black "Chaves, Jaime Augusto"]
[Site "Groningen"]
[Round "13"]
[Result "0-1"]
[Date "1977.01.05"]
[ECO "B08"]
[PlyCount "76"]
[EventDate "1976.12.21"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bg5 0-0 6. Qd2 c6 7. Be2 b5 8. a3 a6 9. 0-0 Qc7 10. Rad1 Nbd7 11. Rfe1 e5 12. Bf1 Re8 13. d5 c5 14. h3 Nb6 15. Ra1 Rb8 16. b3 Bd7 17. Qe3 Nh5 18. a4 b4 19. a5 Nc8 20. Nd1 Bb5 21. Nd2 f5 22. g4 fxg4 23. hxg4 Nf4 24. Ra2 Rf8 25. f3 Bf6 26. Bxf6 Rxf6 27. Nf2 Qg7 28. Nc4 Qh6 29. Nd3 Bxc4 30. bxc4 Nh3+ 31. Bxh3 Qxh3 32. Rf1 Rf7 33. c3 bxc3 34. Qg5 Rxf3 35. Qd8+ Kg7 36. Qc7+ Ne7 37. Qxe7+ Kh8 38. Rxf3 Rb1+ 0-1

[Event "World U20-ch15"]
[White "Chaves, Jaime Augusto"]
[Black "Binham, Timothy F"]
[Site "Groningen"]
[Round "12"]
[Result "1/2-1/2"]
[Date "1977.01.03"]
[ECO "C02"]
[BlackElo "2340"]
[PlyCount "32"]
[EventDate "1976.12.21"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qb6 5. Nf3 Bd7 6. Be2 cxd4 7. cxd4 Bb5 8. 0-0 Bxe2 9. Qxe2 Nc6 10. Nc3 Nge7 11. Qb5 Nf5 12. Rd1 Qxb5 13. Nxb5 Kd7 14. b3 h5 15. Bb2 Be7 16. Nc3 Rac8 1/2-1/2

[Event "World U20-ch15"]
[White "Egmond, Peter"]
[Black "Chaves, Jaime Augusto"]
[Site "Groningen"]
[Round "11"]
[Result "1/2-1/2"]
[Date "1977.01.02"]
[ECO "B38"]
[PlyCount "82"]
[EventDate "1976.12.21"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. Nf3 g6 2. e4 d6 3. c4 c5 4. d4 cxd4 5. Nxd4 Nf6 6. Nc3 Bg7 7. Be2 0-0 8. 0-0 Nc6 9. Be3 Nxd4 10. Bxd4 Be6 11. f3 Nd7 12. Bxg7 Kxg7 13. Qd4+ Kg8 14. Nd5 Bxd5 15. cxd5 Qb6 16. Qxb6 Nxb6 17. Rac1 Rfc8 18. f4 Rxc1 19. Rxc1 Rc8 20. Rxc8+ Nxc8 21. Bc4 Nb6 22. Bb3 Kg7 23. Kf2 f5 24. e5 dxe5 25. fxe5 Nd7 26. e6 Nf6 27. Ke3 Ne8 28. g3 Kf6 29. Kd4 Nd6 30. Bd1 h6 31. a4 Ne8 32. b3 Nd6 33. Bf3 Ne8 34. Bd1 Nd6 35. Bf3 Nc8 36. Bd1 g5 37. Be2 Nd6 38. Bf3 Ne8 39. Bd1 Ng7 40. Be2 Ne8 41. Bd1 Nd6 1/2-1/2

[Event "World U20-ch15"]
[White "Chaves, Jaime Augusto"]
[Black "Vera Gonzalez Quevedo, Reynaldo"]
[Site "Groningen"]
[Round "10"]
[Result "0-1"]
[Date "1977.01.01"]
[ECO "B87"]
[PlyCount "54"]
[EventDate "1976.12.21"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[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 Be7 9. f4 0-0 10. e5 dxe5 11. fxe5 Nfd7 12. Qh5 Nc6 13. Nxc6 Qb6+ 14. Kh1 Qxc6 15. Rf3 Bb7 16. Bf4 Rad8 17. Rg1 g6 18. Rg3 Rfe8 19. Qh6 Bf8 20. Qh4 Nc5 21. Bg5 Rd7 22. a3 Ne4 23. Nxe4 Qxe4 24. Qxe4 Bxe4 25. Rc3 h6 26. Bf4 g5 27. Re1 gxf4 0-1

[Event "World U20-ch15"]
[White "Leow, Leslie M"]
[Black "Chaves, Jaime Augusto"]
[Site "Groningen"]
[Round "9"]
[Result "1-0"]
[Date "1976.12.31"]
[ECO "B17"]
[WhiteElo "2280"]
[PlyCount "69"]
[EventDate "1976.12.21"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Ng3 e6 7. Be2 c5 8. 0-0 cxd4 9. Nxd4 Bc5 10. a3 a6 11. b4 Be7 12. Bb2 0-0 13. c4 Qc7 14. Qb3 b6 15. c5 bxc5 16. Nxe6 fxe6 17. Qxe6+ Rf7 18. Bc4 Ne5 19. Qxe5 Qxe5 20. Bxe5 cxb4 21. axb4 Bxb4 22. Rfc1 Ne8 23. Ne4 Kf8 24. Bd5 Bb7 25. Bxf7 Kxf7 26. Nc5 Bxc5 27. Rxc5 Be4 28. f3 Bd3 29. Kf2 Nf6 30. Bxf6 gxf6 31. Rd1 Bb5 32. Rd6 Kg6 33. g4 Re8 34. h4 h6 35. Rc7 1-0

[Event "World U20-ch15"]
[White "Chaves, Jaime Augusto"]
[Black "Kristensen, Leif"]
[Site "Groningen"]
[Round "8"]
[Result "1/2-1/2"]
[Date "1976.12.29"]
[ECO "B35"]
[PlyCount "103"]
[EventDate "1976.12.21"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. h3 0-0 8. Bc4 Nc6 9. 0-0 Qa5 10. Bb3 Bd7 11. f4 Rad8 12. Qd3 a6 13. Rad1 Nxd4 14. Bxd4 Bc6 15. Qe3 Nd7 16. Nd5 Rde8 17. Bxg7 Kxg7 18. Kh1 Qc5 19. Qd3 e6 20. Nc3 Nf6 21. f5 exf5 22. exf5 Re3 23. Qd4 Rxh3+ 24. Kg1 Rg3 25. Rf2 Rg4 26. Qxc5 dxc5 27. fxg6 fxg6 28. Be6 Rg5 29. Re1 Re8 30. Ree2 Re7 31. a3 Nh5 32. Bc4 Rxe2 33. Nxe2 Rf5 34. Rxf5 gxf5 35. b4 cxb4 36. axb4 Kf6 37. Nd4 Be4 38. b5 axb5 39. Bxb5 Ke5 40. Nf3+ Kf4 41. Ne1 Ke3 42. Kh2 Kd2 43. Nd3 Kxc2 44. Nf2 Nf6 45. Kg3 Nd5 46. Kh4 Nc3 47. Bd7 b5 48. g4 b4 49. gxf5 b3 50. f6 Bd5 51. Bf5+ Kd2 52. Nd3 1/2-1/2

[Event "World U20-ch15"]
[White "Chaves, Jaime Augusto"]
[Black "Chandler, Murray G"]
[Site "Groningen"]
[Round "7"]
[Result "1-0"]
[Date "1976.12.28"]
[ECO "B00"]
[PlyCount "73"]
[EventDate "1976.12.21"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 b6 3. Nf3 Bb7 4. Bd3 c5 5. c3 Nf6 6. Qe2 Be7 7. 0-0 Nc6 8. Nbd2 cxd4 9. Nxd4 Ne5 10. Bc2 Qc8 11. f4 Ba6 12. Qd1 Ng6 13. Rf3 Qc7 14. N2b3 d5 15. e5 Ne4 16. Nd2 Nc5 17. Ba4+ Kf8 18. Bc2 Rd8 19. Qe1 b5 20. Qg3 b4 21. Qh3 Nh4 22. Rf2 g6 23. cxb4 Ne4 24. Nxe4 dxe4 25. Be3 Nf5 26. Nxf5 exf5 27. Rc1 Bxb4 28. g4 fxg4 29. Qh6+ Kg8 30. Bb3 Qe7 31. e6 fxe6 32. f5 Rd5 33. fxe6 Rf5 34. Rxf5 gxf5 35. Rc7 Bd6 36. Rxe7 Bxe7 37. Bd4 1-0

[Event "World U20-ch15"]
[White "Ftacnik, Lubomir"]
[Black "Chaves, Jaime Augusto"]
[Site "Groningen"]
[Round "6"]
[Result "1-0"]
[Date "1976.12.27"]
[ECO "A26"]
[PlyCount "95"]
[EventDate "1976.12.21"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 g6 5. Nf3 Bg7 6. 0-0 0-0 7. d3 d6 8. Rb1 a5 9. a3 Re8 10. Nd2 Be6 11. b4 axb4 12. axb4 d5 13. b5 Ne7 14. Bb2 c6 15. Ra1 Rxa1 16. Qxa1 Nd7 17. Qa3 Bh6 18. cxd5 cxd5 19. Nb3 Bf8 20. d4 e4 21. Qa7 b6 22. Nd2 Bh6 23. e3 Nc8 24. Qa2 Nf6 25. Rc1 Re7 26. Bf1 Rc7 27. Ne2 Ne8 28. Rxc7 Nxc7 29. Nc3 Qd7 30. Be2 f5 31. Bd1 Qf7 32. Bb3 g5 33. Bc1 Bf8 34. Ndb1 Bd6 35. Ba3 Bxa3 36. Nxa3 f4 37. exf4 gxf4 38. Qd2 f3 39. Qg5+ Kf8 40. Qd8+ Kg7 41. Qg5+ Kf8 42. Nc2 Nd6 43. Qd8+ Nde8 44. Qb8 Qg6 45. Qxb6 e3 46. Nxe3 Qd3 47. Qc5+ Kf7 48. Bd1 1-0

[Event "World U20-ch15"]
[White "Chaves, Jaime Augusto"]
[Black "Diesen, Mark C"]
[Site "Groningen"]
[Round "5"]
[Result "1/2-1/2"]
[Date "1976.12.26"]
[ECO "B87"]
[BlackElo "2325"]
[PlyCount "65"]
[EventDate "1976.12.21"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e6 6. Bc4 a6 7. Bb3 b5 8. 0-0 Be7 9. f4 0-0 10. e5 dxe5 11. fxe5 Nfd7 12. Qh5 Nc5 13. Be3 Nxb3 14. axb3 Bb7 15. Nf3 Qc7 16. Rae1 Nd7 17. Bg5 Qc5+ 18. Kh1 Bxf3 19. Rxf3 Bxg5 20. Qxg5 f6 21. Qg4 f5 22. Qf4 Nb6 23. Rc1 Rfd8 24. Ne2 Rd5 25. c4 bxc4 26. bxc4 Rd7 27. h4 Rad8 28. b3 Rd2 29. Re3 Nc8 30. Rcc3 Ne7 31. h5 Nc6 32. Qg3 Qe7 33. Nf4 1/2-1/2

[Event "World U20-ch15"]
[White "Klauner, Theo"]
[Black "Chaves, Jaime Augusto"]
[Site "Groningen"]
[Round "4"]
[Result "0-1"]
[Date "1976.12.24"]
[ECO "E61"]
[PlyCount "54"]
[EventDate "1976.12.21"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. e3 d6 6. Nge2 0-0 7. 0-0 c6 8. d4 Nbd7 9. b3 Re8 10. d5 c5 11. Nb5 Nb6 12. e4 a6 13. Nbc3 Rb8 14. a3 Bg4 15. f3 Bd7 16. Qd3 Qc8 17. f4 exf4 18. Bxf4 Qc7 19. Bg5 Ng4 20. h3 Ne5 21. Qd2 Bc8 22. Bf6 Bf8 23. Bxe5 Rxe5 24. Nf4 Nd7 25. Qf2 Re7 26. Nd3 Bg7 27. Rac1 Bd4 0-1

[Event "World U20-ch15"]
[White "Karaosmanoglu, Sedat"]
[Black "Chaves, Jaime Augusto"]
[Site "Groningen"]
[Round "3"]
[Result "0-1"]
[Date "1976.12.23"]
[ECO "D93"]
[PlyCount "160"]
[EventDate "1976.12.21"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 0-0 6. Nf3 c5 7. Qb3 cxd4 8. Nxd4 Nc6 9. Nxc6 bxc6 10. Be2 Qa5 11. 0-0 e5 12. Bg3 d4 13. exd4 exd4 14. Na4 Ne4 15. Bf4 Nc5 16. Nxc5 Qxc5 17. Bf3 a5 18. Qa4 Bd7 19. Rad1 Qb4 20. Qxb4 axb4 21. Bd6 Rfc8 22. Bxb4 Ra4 23. Bc5 Rxc4 24. b4 Bf5 25. Be2 Rc2 26. Bd3 Bxd3 27. Rxd3 Rxa2 28. g4 Re2 29. Kg2 Re5 30. f4 Rd5 31. f5 Bf8 32. Bxf8 Kxf8 33. Rf4 Rcd8 34. fxg6 hxg6 35. Rf6 c5 36. bxc5 Rxc5 37. Kf3 Ke7 38. Rf4 Rc4 39. Ke4 Rd7 40. h4 Ra4 41. h5 gxh5 42. gxh5 Kf8 43. Rh4 Kg7 44. Kf3 Kh6 45. Ke4 Ra5 46. Kf3 Rf5+ 47. Kg3 Rfd5 48. Kf3 R7d6 49. Rf4 f6 50. Rh4 Rd8 51. Kf2 R8d7 52. Kf3 R7d6 53. Kg3 Rg5+ 54. Kf3 Rf5+ 55. Kg3 Rfd5 56. Kf3 Kg5 57. Kg3 Kh6 58. Kf3 Rd8 59. Kf2 Kg5 60. Kg3 Kf5 61. Kf3 Ke5 62. h6 f5 63. h7 Rh8 64. Rh2 Rdd8 65. Re2+ Kf6 66. Red2 Ke5 67. Re2+ Kd5 68. Re7 Kc4 69. Ke2 Rde8 70. Rxe8 Rxe8+ 71. Kd2 Rh8 72. Rf3 Rxh7 73. Rxf5 Rh2+ 74. Kd1 Kc3 75. Rf1 Ra2 76. Rf8 Ra1+ 77. Ke2 d3+ 78. Kf2 d2 79. Rc8+ Kb4 80. Rb8+ Kc5 0-1

[Event "World U20-ch15"]
[White "Chaves, Jaime Augusto"]
[Black "Morris, Arthur W"]
[Site "Groningen"]
[Round "2"]
[Result "1-0"]
[Date "1976.12.22"]
[ECO "B88"]
[PlyCount "45"]
[EventDate "1976.12.21"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bc4 e6 7. Bb3 Be7 8. 0-0 0-0 9. f4 Qc7 10. Qf3 Nc6 11. Be3 Bd7 12. f5 e5 13. Nde2 Na5 14. Bg5 Nxb3 15. Bxf6 Nd2 16. Qd3 Qc5+ 17. Kh1 Bxf6 18. Qxd2 Bc6 19. Ng3 Rad8 20. Nh5 d5 21. Nxf6+ gxf6 22. Rf3 Kh8 23. Qh6 1-0

[Event "World U20-ch15"]
[White "Weidemann, Joerg"]
[Black "Chaves, Jaime Augusto"]
[Site "Groningen"]
[Round "1"]
[Result "1-0"]
[Date "1976.12.21"]
[ECO "B08"]
[PlyCount "45"]
[EventDate "1976.12.21"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "NED"]
[SourceTitle "EXT 2006"]
[Source "ChessBase"]
[SourceDate "2005.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2005.11.24"]
[SourceQuality "1"]

1. e4 d6 2. Bc4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. d4 0-0 6. Qe2 c6 7. e5 Nd5 8. Bd2 a5 9. h4 h5 10. Ng5 Nb4 11. Bb3 d5 12. e6 Bxe6 13. Nxe6 fxe6 14. Qxe6+ Kh7 15. Ne2 Qd7 16. Qe3 Qf5 17. g4 Qf3 18. Rh3 Qxg4 19. c3 N4a6 20. Bc2 Rf6 21. Rg3 Qxh4 22. 0-0-0 Nd7 23. Qxe7 1-0

[Event "BRA-ch"]
[White "Chaves, Jaime Augusto"]
[Black "Braga, Cicero Nogueira"]
[Site "Joao Pessoa"]
[Round "5"]
[Result "1/2-1/2"]
[Date "1976.07.??"]
[ECO "C95"]
[PlyCount "52"]
[EventDate "1976.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Re1 d6 8. c3 0-0 9. h3 Nb8 10. d4 Nbd7 11. Nbd2 Bb7 12. Bc2 Re8 13. Nf1 Bf8 14. Ng3 g6 15. Bg5 h6 16. Bd2 c5 17. dxe5 Nxe5 18. Nxe5 dxe5 19. Qe2 Qc7 20. Rad1 Rad8 21. Be3 Rxd1 22. Rxd1 Rd8 23. Rxd8 Qxd8 24. Qd2 Qxd2 25. Bxd2 c4 26. a4 Bc6 1/2-1/2

[Event "BRA-ch"]
[White "Chaves, Jaime Augusto"]
[Black "Carvalho, Herbert Abreu"]
[Site "Joao Pessoa"]
[Round "2"]
[Result "1-0"]
[Date "1976.07.??"]
[ECO "C60"]
[BlackElo "2270"]
[PlyCount "81"]
[EventDate "1976.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 g6 4. d4 exd4 5. Bg5 f6 6. Bf4 Bg7 7. 0-0 Nge7 8. Re1 0-0 9. Nxd4 Nxd4 10. Qxd4 d6 11. Nc3 Kh8 12. Rad1 Be6 13. Qd2 a6 14. Ba4 Nc6 15. Bb3 Qd7 16. Nd5 Rfe8 17. Bh6 Bxh6 18. Qxh6 Bxd5 19. Bxd5 Qg7 20. Qd2 Rab8 21. Qc3 f5 22. Qxg7+ Kxg7 23. exf5 gxf5 24. c3 Ne5 25. f4 Ng4 26. Rxe8 Rxe8 27. Bxb7 Rb8 28. Bxa6 Rxb2 29. Ra1 Ne3 30. a4 Rxg2+ 31. Kh1 Rb2 32. a5 Ng4 33. Bf1 c6 34. a6 Rb8 35. Bg2 d5 36. c4 Nf6 37. cxd5 cxd5 38. a7 Ra8 39. Bh3 Ng4 40. Bf1 Nf2+ 41. Kg1 1-0

[Event "BRA-ch"]
[White "Chaves, Jaime Augusto"]
[Black "Filguth, Rubens Alberto"]
[Site "Joao Pessoa"]
[Round "13"]
[Result "1-0"]
[Date "1976.07.??"]
[ECO "B35"]
[PlyCount "107"]
[EventDate "1976.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[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 g6 6. Be3 Bg7 7. h3 0-0 8. Bc4 Nc6 9. 0-0 Bd7 10. Bb3 Qa5 11. f4 Nxd4 12. Bxd4 e5 13. Be3 Bc6 14. Qd3 Rad8 15. Rad1 Rd7 16. f5 Nh5 17. Nd5 Bxd5 18. Qxd5 Qxd5 19. Bxd5 a6 20. b3 Rc8 21. c4 Bf6 22. fxg6 hxg6 23. Rf3 Kg7 24. g3 Rf8 25. Kg2 Bd8 26. g4 Nf6 27. Bc1 Bb6 28. Bb2 Bc5 29. Bc3 Re8 30. Rd2 Rc7 31. a4 Ba3 32. Rd1 Bc5 33. Kg3 Ba7 34. h4 Bb8 35. Ba5 Nxd5 36. Rxd5 Rc5 37. Rxc5 dxc5 38. Rd3 Re7 39. Bd2 Re6 40. Bg5 Rd6 41. Rd5 Rb6 42. Rd3 Rd6 43. Rxd6 Bxd6 44. Bd8 Kh6 45. Bf6 Kh7 46. h5 Kh6 47. Kh4 Bc7 48. Be7 b6 49. a5 b5 50. Bxc5 Bd8+ 51. Kg3 Bxa5 52. Bf8+ Kh7 53. c5 Bd8 54. Bd6 1-0

[Event "BRA-ch"]
[White "Chaves, Jaime Augusto"]
[Black "Lucena, Lincoln"]
[Site "Joao Pessoa"]
[Round "3"]
[Result "0-1"]
[Date "1976.07.??"]
[ECO "C91"]
[PlyCount "78"]
[EventDate "1976.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Be7 6. Re1 b5 7. Bb3 0-0 8. d4 d6 9. c3 Bg4 10. Be3 Na5 11. dxe5 Bxf3 12. Qxf3 dxe5 13. Bc2 Nc4 14. Bc1 Qc8 15. h3 c5 16. b3 Na5 17. Nd2 Re8 18. Nf1 b4 19. Ne3 c4 20. Nf5 Bf8 21. Nh6+ gxh6 22. Qxf6 Re6 23. Qf3 bxc3 24. Qg3+ Rg6 25. Qxe5 Nc6 26. Qxc3 Bb4 27. Qe3 Bxe1 28. e5 Bb4 29. Bxg6 hxg6 30. bxc4 Qe6 31. Bb2 Bf8 32. Qe4 Rd8 33. g4 Bc5 34. Re1 Rd2 35. Re2 Rxe2 36. Qxe2 Bd4 37. Bxd4 Nxd4 38. Qe4 Qxc4 39. Kh2 Kg7 0-1

[Event "BRA-ch"]
[White "Chaves, Jaime Augusto"]
[Black "Naile, Alain"]
[Site "Joao Pessoa"]
[Round "10"]
[Result "1-0"]
[Date "1976.07.??"]
[ECO "C69"]
[PlyCount "115"]
[EventDate "1976.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 f6 6. d4 Bg4 7. dxe5 Qxd1 8. Rxd1 fxe5 9. Rd3 Bd6 10. Nbd2 Nf6 11. Nc4 Bxf3 12. gxf3 0-0-0 13. Bg5 b5 14. Na5 c5 15. c4 Rde8 16. cxb5 axb5 17. a4 bxa4 18. Rxa4 Kd7 19. Nc4 Ke6 20. Ra6 Ra8 21. Rda3 Rxa6 22. Rxa6 Nd7 23. Bd2 Rb8 24. Ba5 Ke7 25. Bc3 Rf8 26. Kg2 Nb8 27. Ra8 Nc6 28. Rxf8 Kxf8 29. f4 exf4 30. e5 Be7 31. Kf3 g5 32. h4 h6 33. h5 Kf7 34. Ke4 Ke6 35. Na3 Na7 36. f3 Bd8 37. Nc2 c6 38. Ne1 Nb5 39. Nd3 Bb6 40. Nf2 Bd8 41. Ng4 Nxc3+ 42. bxc3 Bc7 43. c4 Bb8 44. Nxh6 Bxe5 45. Ng4 Bd4 46. h6 Bc3 47. Nf2 Kf6 48. Nd3 Kg6 49. Nxc5 g4 50. fxg4 Kxh6 51. Kxf4 Bd4 52. Ne6 Bg1 53. Kf5 Kh7 54. Kf6 Kg8 55. Ke7 Bh2 56. Nd4 Kg7 57. Nxc6 Kg6 58. Nd4 1-0

[Event "BRA-ch"]
[White "Chaves, Jaime Augusto"]
[Black "Rocha, Antonio Cavilhas"]
[Site "Joao Pessoa"]
[Round "7"]
[Result "1/2-1/2"]
[Date "1976.07.??"]
[ECO "C68"]
[BlackElo "2315"]
[PlyCount "34"]
[EventDate "1976.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Ne7 6. d4 exd4 7. Nxd4 Qd6 8. Nc3 Bd7 9. Be3 c5 10. Nb3 Qxd1 11. Rfxd1 b6 12. a4 a5 13. Bf4 0-0-0 14. Bg3 h5 15. Nb5 Bxb5 16. axb5 Rxd1+ 17. Rxd1 Ng6 1/2-1/2

[Event "BRA-ch"]
[White "Chaves, Jaime Augusto"]
[Black "Van Riemsdijk, Herman Claudius"]
[Site "Joao Pessoa"]
[Round "12"]
[Result "1/2-1/2"]
[Date "1976.07.??"]
[ECO "C67"]
[BlackElo "2370"]
[PlyCount "84"]
[EventDate "1976.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Ba4 Nxe5 8. Rxe5 0-0 9. d4 Bf6 10. Re1 Nf5 11. c3 d5 12. Bf4 c6 13. Nd2 Bg5 14. Qg4 Bxf4 15. Qxf4 Qd6 16. Re5 Qh6 17. Qxh6 Nxh6 18. Bc2 Bd7 19. Re7 Rad8 20. Nf1 Rfe8 21. Rae1 Kf8 22. Rxe8+ Rxe8 23. Rxe8+ Kxe8 24. Ne3 Ke7 25. h4 g6 26. f3 Ng8 27. Kf2 Kd6 28. Bd3 Ne7 29. Kg3 h6 30. Kf4 f6 31. g4 Be8 32. Kg3 Ke6 33. f4 Kd6 34. g5 hxg5 35. fxg5 fxg5 36. hxg5 Bd7 37. Kf4 Bc8 38. Ng2 Bf5 39. Bxf5 Nxf5 40. Ne1 Ng7 41. Nd3 Ne6+ 42. Kg4 a5 1/2-1/2

[Event "BRA-ch"]
[White "Chemin, Vitorio"]
[Black "Chaves, Jaime Augusto"]
[Site "Joao Pessoa"]
[Round "4"]
[Result "0-1"]
[Date "1976.07.??"]
[ECO "A07"]
[PlyCount "96"]
[EventDate "1976.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 g6 2. g3 Bg7 3. Bg2 e5 4. d3 Nc6 5. c3 Nge7 6. e4 d5 7. 0-0 0-0 8. Nbd2 h6 9. Re1 Re8 10. a4 a5 11. Qc2 Be6 12. Nf1 Qd7 13. Bh1 Rad8 14. Bd2 Nc8 15. Rad1 Nb6 16. b3 Kh7 17. Bc1 Qe7 18. Bg2 Qc5 19. Qb2 d4 20. c4 Qe7 21. Re2 Bf8 22. Ne1 f6 23. f4 Qd7 24. Rf2 Bg8 25. Qd2 Bb4 26. Qe2 Qe7 27. Nf3 Ba3 28. Bd2 Bb4 29. f5 g5 30. g4 Bxd2 31. N1xd2 Nd7 32. h4 Nb4 33. hxg5 hxg5 34. Bh1 Bf7 35. Rh2+ Kg7 36. Nf1 Rh8 37. Ng3 Rxh2 38. Qxh2 Rh8 39. Qb2 Nc5 40. Qb1 Be8 41. Bg2 Kg8 42. Kf2 Qd6 43. Ne2 Qb6 44. Nc1 Nba6 45. Qa2 Bc6 46. Re1 Qb4 47. Re2 Qc3 48. Qd2 Qxc1 0-1

[Event "BRA-ch"]
[White "De Castro, Alexandre Zanini"]
[Black "Chaves, Jaime Augusto"]
[Site "Joao Pessoa"]
[Round "9"]
[Result "0-1"]
[Date "1976.07.??"]
[ECO "B09"]
[PlyCount "80"]
[EventDate "1976.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. e5 Nfd7 7. h4 c5 8. h5 cxd4 9. Qxd4 dxe5 10. Qf2 e4 11. Nxe4 Nf6 12. Nxf6+ exf6 13. hxg6 Re8+ 14. Be2 fxg6 15. Bd2 Be6 16. 0-0-0 Qc8 17. Bd3 Bc4 18. Bc3 Bxd3 19. Rxd3 Qg4 20. Nd4 Nc6 21. Rg3 Qd7 22. Nxc6 Qxc6 23. Rgh3 h6 24. Kb1 b5 25. f5 g5 26. Rxh6 b4 27. Bxf6 Bxh6 28. Rxh6 Qxg2 29. Rh8+ Kf7 30. Rh7+ Kxf6 31. Qd4+ Re5 32. Rh6+ Kf7 33. b3 Qf1+ 34. Kb2 Qxf5 35. Rh2 Re4 36. Rh7+ Qxh7 37. Qd5+ Re6 38. Qf3+ Kg7 39. Qxa8 Qe4 40. Qxa7+ Re7 0-1

[Event "BRA-ch"]
[White "Miranda, Ivson"]
[Black "Chaves, Jaime Augusto"]
[Site "Joao Pessoa"]
[Round "1"]
[Result "1/2-1/2"]
[Date "1976.07.??"]
[ECO "A07"]
[PlyCount "75"]
[EventDate "1976.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 g6 2. g3 Bg7 3. Bg2 e5 4. d3 Ne7 5. 0-0 0-0 6. e4 d5 7. Nbd2 Nbc6 8. c3 a5 9. Re1 h6 10. Qc2 Be6 11. exd5 Bxd5 12. Nf1 Be6 13. Be3 Qd6 14. Red1 Nf5 15. N3d2 Nxe3 16. fxe3 f5 17. a4 Qc5 18. Rac1 Rad8 19. Kh1 Bd5 20. Nf3 Qb6 21. N3d2 Kh7 22. Bxd5 Rxd5 23. e4 Rdd8 24. Nc4 Qc5 25. Nfe3 Ne7 26. Rf1 c6 27. Qe2 Qa7 28. exf5 gxf5 29. Nxf5 Nxf5 30. Qe4 b5 31. Rxf5 Rxf5 32. Qxf5+ Kg8 33. Nxe5 Qe3 34. Qe6+ Kh7 35. Qg6+ Kg8 36. Qe6+ Kh7 37. Qg6+ Kg8 38. Qe6+ 1/2-1/2

[Event "BRA-ch"]
[White "Saboya, Fred"]
[Black "Chaves, Jaime Augusto"]
[Site "Joao Pessoa"]
[Round "6"]
[Result "1/2-1/2"]
[Date "1976.07.??"]
[ECO "D91"]
[PlyCount "111"]
[EventDate "1976.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[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 c6 10. b4 0-0 11. Be2 f5 12. 0-0 Qe7 13. Qb3 Kh8 14. Bd3 Be6 15. Ne2 Nd7 16. Rfc1 g5 17. Qb1 f4 18. exf4 gxf4 19. Kf1 Bg4 20. Neg1 Bf6 21. Rd1 Qg7 22. Be2 Rg8 23. Qb2 Nb6 24. Qd2 Nc4 25. Qxf4 Bh3 26. gxh3 Qg2+ 27. Ke1 Qxg1+ 28. Nxg1 Rxg1+ 29. Bf1 Re8+ 30. Qe3 Nxe3 31. fxe3 Bg5 32. Rd3 Bxe3 33. Rxe3 Rxe3+ 34. Kf2 Rxf1+ 35. Rxf1 Rd3 36. Re1 Rxd4 37. Re8+ Kg7 38. Re7+ Kg6 39. Rxb7 Rd2+ 40. Kg3 Rxa2 41. Rc7 Ra6 42. Kf4 Rb6 43. Ke5 h6 44. Re7 Kg5 45. Kd6 Ra6 46. Kc5 h5 47. Re6 Rb6 48. Re7 Rb5+ 49. Kxc6 Rxb4 50. Rxa7 Rd4 51. Rd7 Kh4 52. Rxd5 Rc4+ 53. Kd6 Rc2 54. Rd3 Rxh2 55. Ke5 Ra2 56. Kf5 1/2-1/2

[Event "BRA-ch"]
[White "Sunye Neto, Jaime"]
[Black "Chaves, Jaime Augusto"]
[Site "Joao Pessoa"]
[Round "11"]
[Result "1-0"]
[Date "1976.07.??"]
[ECO "A20"]
[WhiteElo "2265"]
[PlyCount "80"]
[EventDate "1976.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. c4 e5 2. d3 Nf6 3. e3 d5 4. cxd5 Nxd5 5. Nf3 Nc6 6. a3 a5 7. Be2 Nb6 8. b3 g5 9. Bb2 Bg7 10. Nc3 0-0 11. h3 h6 12. Rc1 Qe7 13. 0-0 Be6 14. Qc2 f5 15. Nb5 g4 16. hxg4 fxg4 17. Nd2 Qh4 18. Ne4 Nd5 19. Qd2 Rad8 20. Ng3 h5 21. Nc3 Bh6 22. Nxd5 Bxd5 23. Rxc6 bxc6 24. Bxe5 Qe7 25. Qc3 Qf7 26. Ne4 Bg7 27. f4 Rb8 28. Nc5 Rfe8 29. e4 Bxb3 30. d4 Kh8 31. Bxg7+ Kxg7 32. d5+ Qf6 33. e5 Qd8 34. Nxb3 Qxd5 35. Bc4 Qe4 36. e6+ Kh6 37. f5 h4 38. Qd2+ Kh7 39. Bd3 Qe5 40. f6+ Kh8 1-0

[Event "BRA-ch"]
[White "Trois, Francisco R Torres"]
[Black "Chaves, Jaime Augusto"]
[Site "Joao Pessoa"]
[Round "8"]
[Result "1-0"]
[Date "1976.07.??"]
[ECO "B10"]
[WhiteElo "2310"]
[PlyCount "43"]
[EventDate "1976.??.??"]
[EventType "swiss"]
[EventRounds "13"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d3 d5 3. Nd2 g6 4. Ngf3 Bg7 5. Be2 e5 6. 0-0 Ne7 7. b4 a5 8. bxa5 Qxa5 9. Bb2 Nd7 10. Re1 0-0 11. a4 Re8 12. Bf1 Qc7 13. d4 dxe4 14. Nxe4 Rd8 15. Bc4 h6 16. Qe2 exd4 17. Bxf7+ Kxf7 18. Neg5+ hxg5 19. Nxg5+ Kg8 20. Qe6+ Kh8 21. Qh3+ Kg8 22. Qh7+ 1-0

[Event "WchT Students 21st final A"]
[White "Bernstein, David"]
[Black "Chaves, Jaime Augusto"]
[Site "Caracas"]
[Round "4.10"]
[Result "1/2-1/2"]
[Date "1976.??.??"]
[ECO "D80"]
[PlyCount "71"]
[EventDate "1976.08.16"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Israel"]
[BlackTeam "Brazil"]
[WhiteTeamCountry "ISR"]
[BlackTeamCountry "BRA"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Ne4 5. Bh4 Nxc3 6. bxc3 Bg7 7. e3 c5 8. cxd5 Qxd5 9. Qf3 Qe6 10. Bb5+ Nd7 11. Ne2 cxd4 12. exd4 0-0 13. 0-0 Nf6 14. Rfe1 Qf5 15. Qxf5 Bxf5 16. Ng3 Be6 17. a4 Rfc8 18. Bxf6 exf6 19. Ne4 f5 20. Nc5 Rxc5 21. dxc5 Bxc3 22. Rxe6 fxe6 23. Rb1 Bd4 24. Bd7 Bxc5 25. Rxb7 e5 26. Be6+ Kh8 27. Rc7 Rd8 28. Rc8 Rxc8 29. Bxc8 Kg7 30. g4 Kf6 31. gxf5 gxf5 32. Kf1 Kg5 33. Ke2 h5 34. Bd7 h4 35. h3 Kf4 36. f3 1/2-1/2

[Event "WchT Students 21st Group3"]
[White "Bird Pico, Enrique"]
[Black "Chaves, Jaime Augusto"]
[Site "Caracas"]
[Round "5.6"]
[Result "0-1"]
[Date "1976.??.??"]
[ECO "D00"]
[PlyCount "60"]
[EventDate "1976.08.09"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Puerto Rico"]
[BlackTeam "Brazil"]
[WhiteTeamCountry "PUR"]
[BlackTeamCountry "BRA"]

1. d4 Nf6 2. Bg5 g6 3. Bxf6 exf6 4. e3 d5 5. Bd3 Bg7 6. Nd2 Nd7 7. Ngf3 Qe7 8. c3 c6 9. Qc2 f5 10. 0-0-0 Nf6 11. Ne5 Ne4 12. Nb3 Bxe5 13. dxe5 Qxe5 14. Rde1 a5 15. Nd4 Bd7 16. Bxe4 fxe4 17. Ne2 0-0 18. h4 c5 19. Qd2 Bg4 20. Nf4 Rfd8 21. f3 exf3 22. gxf3 Bxf3 23. Rhg1 Rac8 24. Rg5 Qe7 25. Nxd5 Bxd5 26. Rxd5 Rxd5 27. Qxd5 Qxh4 28. Rf1 Qe7 29. e4 Rc7 30. Rd1 Kg7 0-1

[Event "WchT Students 21st final A"]
[White "Chaves, Jaime Augusto"]
[Black "Huss, Andreas"]
[Site "Caracas"]
[Round "6.14"]
[Result "0-1"]
[Date "1976.??.??"]
[ECO "C02"]
[PlyCount "80"]
[EventDate "1976.08.16"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Brazil"]
[BlackTeam "Switzerland"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "SUI"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 c4 7. g3 Bd7 8. Bh3 Na5 9. Nbd2 Be7 10. 0-0 h5 11. Ne1 g5 12. f3 0-0-0 13. Ng2 f5 14. exf6 Nxf6 15. Kh1 Rdg8 16. Ne3 g4 17. fxg4 hxg4 18. Nxg4 Rxh3 19. Nxf6 Rgh8 20. Nxd7 Rxh2+ 21. Kg1 Kxd7 22. Nf3 R2h5 23. Qe2 Bd6 24. Bf4 Bxf4 25. gxf4 Qd8 26. Qe3 Qg8+ 27. Kf2 Rh2+ 28. Nxh2 Rxh2+ 29. Ke1 Qg2 30. Rd1 Nb3 31. Qf3 Qc2 32. Qe3 Nd2 33. Rg1 Ne4 34. f5 exf5 35. Qf3 Kc6 36. a4 Kb6 37. a5+ Ka6 38. Rg6+ Kb5 39. Rg1 Qxb2 40. a6 bxa6 0-1

[Event "WchT Students 21st Group3"]
[White "Chaves, Jaime Augusto"]
[Black "Swanson, Stephen"]
[Site "Caracas"]
[Round "4.6"]
[Result "1-0"]
[Date "1976.??.??"]
[ECO "B09"]
[PlyCount "87"]
[EventDate "1976.08.09"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Brazil"]
[BlackTeam "Scotland"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "SCO"]

1. e4 g6 2. d4 d6 3. Nc3 Bg7 4. f4 Nf6 5. Nf3 c5 6. e5 Nfd7 7. exd6 0-0 8. Be3 exd6 9. Qd2 Nc6 10. 0-0-0 Qa5 11. a3 Nf6 12. h3 a6 13. dxc5 dxc5 14. Qd6 Nd4 15. Nxd4 cxd4 16. Bxd4 Rd8 17. Qe5 b5 18. Qe3 Rb8 19. Be5 Rb7 20. Rxd8+ Qxd8 21. Be2 Rd7 22. Rd1 Bb7 23. Rxd7 Qxd7 24. Bf3 Ne8 25. Bxg7 Nxg7 26. Qa7 Bc8 27. Qxd7 Bxd7 28. Bb7 a5 29. Ne4 Ne8 30. Nc5 Nd6 31. Bd5 Be8 32. Nb3 a4 33. Nd4 Kg7 34. Kd2 Kf6 35. b3 h5 36. bxa4 bxa4 37. c4 Nf5 38. Nxf5 Kxf5 39. Ke3 g5 40. fxg5 Kxg5 41. Ke4 Kf6 42. Kd4 Ke7 43. Kc5 f6 44. Bc6 1-0

[Event "WchT Students 21st final A"]
[White "Chaves, Jaime Augusto"]
[Black "Vaganian, Rafael A"]
[Site "Caracas"]
[Round "1.2"]
[Result "0-1"]
[Date "1976.??.??"]
[ECO "C02"]
[BlackElo "2550"]
[PlyCount "72"]
[EventDate "1976.08.16"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Brazil"]
[BlackTeam "Soviet Union"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "URS"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qd7 5. Nf3 b6 6. Na3 Ba6 7. Bxa6 Nxa6 8. Qe2 Nc7 9. Nc2 Ne7 10. Bg5 Nc6 11. 0-0 h6 12. Bd2 c4 13. Rfd1 b5 14. b4 a5 15. a3 Be7 16. Nfe1 0-0-0 17. bxa5 Nxa5 18. Ra2 Kb7 19. Na1 Ra8 20. Rb1 Nc6 21. a4 Ra5 22. Qg4 g6 23. Qd1 Rha8 24. Bxh6 Kc8 25. axb5 Rxa2 26. bxc6 Qxc6 27. Nac2 Qa4 28. Qf3 Rxc2 29. Qxf7 Bd8 30. Nxc2 Qxc2 31. Rc1 g5 32. Rf1 Qxc3 33. Qg8 Ra1 34. h4 Rxf1+ 35. Kxf1 Qxd4 36. g3 gxh4 0-1

[Event "WchT Students 21st Group3"]
[White "Chaves, Jaime Augusto"]
[Black "Wheeler, Robert"]
[Site "Caracas"]
[Round "1.6"]
[Result "1-0"]
[Date "1976.??.??"]
[ECO "B02"]
[PlyCount "77"]
[EventDate "1976.08.09"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Brazil"]
[BlackTeam "Jamaica"]
[WhiteTeamCountry "BRA"]
[BlackTeamCountry "JAM"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Bc4 e6 6. Nc3 Nxc3 7. dxc3 d6 8. cxd6 cxd6 9. Nf3 Qc7 10. Qe2 Nc6 11. exd6 Bxd6 12. Bd2 Bd7 13. Bd3 Ne5 14. Nxe5 Bxe5 15. 0-0-0 a6 16. Rhf1 b5 17. f4 Bf6 18. Kb1 Bc6 19. g4 Be7 20. Be3 Bd5 21. f5 Rc8 22. Bd4 Qa5 23. b3 0-0 24. fxe6 fxe6 25. Qe5 Bf6 26. Qh5 h6 27. Rxf6 Rxf6 28. Bxf6 gxf6 29. Qg6+ Kf8 30. Qxf6+ Ke8 31. Bg6+ Kd7 32. Kb2 b4 33. Qg7+ Kd8 34. Qf8+ Kd7 35. Qg7+ Kd8 36. c4 Qc5 37. cxd5 Qf2+ 38. Kb1 e5 39. Qh8+ 1-0

[Event "WchT Students 21st final A"]
[White "Christiansen, Larry Mark"]
[Black "Chaves, Jaime Augusto"]
[Site "Caracas"]
[Round "5.5"]
[Result "1-0"]
[Date "1976.??.??"]
[ECO "B08"]
[WhiteElo "2400"]
[PlyCount "81"]
[EventDate "1976.08.16"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "United States"]
[BlackTeam "Brazil"]
[WhiteTeamCountry "USA"]
[BlackTeamCountry "BRA"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be3 c6 6. h3 Qa5 7. Qd2 Nbd7 8. Bd3 e5 9. 0-0 0-0 10. a4 Re8 11. Rad1 Qc7 12. dxe5 Nxe5 13. Be2 Ned7 14. Bc4 Ne5 15. Nxe5 dxe5 16. Qd6 Qxd6 17. Rxd6 Nd7 18. Rfd1 Nb6 19. Rd8 Bg4 20. Rxa8 Rxa8 21. Bxf7+ Kxf7 22. hxg4 Ke6 23. b3 Bf8 24. f3 Be7 25. Kf2 Nd7 26. Ne2 a6 27. Nc1 b5 28. Nd3 bxa4 29. bxa4 Rb8 30. f4 c5 31. f5+ Kf7 32. g5 c4 33. Nb4 Nc5 34. Nc6 Rb7 35. Nxe5+ Ke8 36. Bxc5 Bxc5+ 37. Kf3 Rb2 38. Rd5 Bf8 39. f6 Rxc2 40. Rd7 Rc3+ 41. Kg4 1-0

[Event "WchT Students 21st final A"]
[White "Dobosz, Henryk"]
[Black "Chaves, Jaime Augusto"]
[Site "Caracas"]
[Round "7.14"]
[Result "1-0"]
[Date "1976.??.??"]
[ECO "A25"]
[PlyCount "55"]
[EventDate "1976.08.16"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Poland"]
[BlackTeam "Brazil"]
[WhiteTeamCountry "POL"]
[BlackTeamCountry "BRA"]

1. c4 e5 2. Nc3 Nc6 3. e3 f5 4. d4 e4 5. Nh3 Nf6 6. a3 a5 7. Be2 g6 8. f3 exf3 9. Bxf3 Bg7 10. 0-0 0-0 11. Qd3 d6 12. Nf4 Bd7 13. Bd2 Qc8 14. c5 dxc5 15. Qc4+ Kh8 16. Qxc5 Re8 17. Rad1 Bf8 18. Qc4 Qd8 19. Na4 Ne4 20. Bxe4 Rxe4 21. Nc5 Bxc5 22. Qxc5 Rc8 23. d5 b6 24. Qc3+ Ne5 25. Nd3 Qf6 26. Nxe5 Rxe5 27. e4 Rce8 28. Bf4 1-0

[Event "WchT Students 21st Group3"]
[White "Hernandez Onna, Roman"]
[Black "Chaves, Jaime Augusto"]
[Site "Caracas"]
[Round "2.2"]
[Result "1-0"]
[Date "1976.??.??"]
[ECO "A25"]
[WhiteElo "2460"]
[PlyCount "59"]
[EventDate "1976.08.09"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Cuba"]
[BlackTeam "Brazil"]
[WhiteTeamCountry "CUB"]
[BlackTeamCountry "BRA"]

1. c4 e5 2. Nc3 Nc6 3. g3 f5 4. Bg2 Nf6 5. e3 g6 6. Nge2 Bg7 7. d3 0-0 8. Rb1 a5 9. a3 d6 10. b4 axb4 11. axb4 Qe8 12. b5 Nd8 13. 0-0 Be6 14. Qc2 Qf7 15. Bb2 g5 16. f4 Ng4 17. Qd2 gxf4 18. exf4 c6 19. h3 Nf6 20. Ra1 Rxa1 21. Rxa1 e4 22. dxe4 Nxe4 23. Nxe4 fxe4 24. Bxg7 Qxg7 25. Rc1 d5 26. cxd5 cxd5 27. g4 Kh8 28. f5 Bg8 29. Nf4 Rf6 30. Nh5 1-0

[Event "WchT Students 21st final A"]
[White "Hernandez Onna, Roman"]
[Black "Chaves, Jaime Augusto"]
[Site "Caracas"]
[Round "2.10"]
[Result "1/2-1/2"]
[Date "1976.??.??"]
[ECO "A29"]
[WhiteElo "2460"]
[PlyCount "90"]
[EventDate "1976.08.16"]
[EventType "team-tourn"]
[EventRounds "7"]
[EventCountry "VEN"]
[SourceTitle "EXT 2000"]
[Source "ChessBase"]
[SourceDate "1999.11.16"]
[SourceVersion "1"]
[SourceVersionDate "1999.11.16"]
[SourceQuality "1"]
[WhiteTeam "Cuba"]
[BlackTeam "Brazil"]
[WhiteTeamCountry "CUB"]
[BlackTeamCountry "BRA"]

1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Nb6 6. Nf3 Nc6 7. 0-0 Be7 8. a4 a5 9. d3 Be6 10. Be3 Nd5 11. Nxd5 Bxd5 12. Rc1 0-0 13. Nd2 Nb4 14. Bxd5 Nxd5 15. Bc5 b6 16. Bxe7 Qxe7 17. Qb3 Rad8 18. Qb5 Nb4 19. Nf3 Rd5 20. Qc4 c5 21. Qh4 Qxh4 22. Nxh4 e4 23. dxe4 Rd2 24. Nf3 Rxb2 25. Ne5 Rb8 26. Rfd1 f6 27. Nc4 Rb3 28. Rb1 Rc3 29. Rdc1 Rxc1+ 30. Rxc1 Kf7 31. Rd1 Ke7 32. f4 b5 33. axb5 Rxb5 34. Nd6 Rb8 35. Nf5+ Kf8 36. Rd7 Ra8 37. e5 fxe5 38. Nxg7 exf4 39. Ne6+ Kg8 40. gxf4 a4 41. f5 a3 42. f6 a2 43. f7+ Kh8 44. Ra7 a1Q+ 45. Rxa1 Rxa1+ 1/2-1/2

[Event "BRA-ch"]
[White "Chaves, Jaime Augusto"]
[Black "Pinto Paiva, Jose E"]
[Site "Caxias do Sul"]
[Round "19"]
[Result "0-1"]
[Date "1975.07.25"]
[ECO "C70"]
[PlyCount "78"]
[EventDate "1975.07.06"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Bc5 5. 0-0 b5 6. Bb3 d6 7. c3 Bb6 8. h3 Qf6 9. d3 Nge7 10. a4 Rb8 11. axb5 axb5 12. Na3 h6 13. Nxb5 g5 14. Nh2 h5 15. Be3 g4 16. Bxb6 Rxb6 17. Nxc7+ Kd8 18. Nd5 Nxd5 19. Bxd5 Rg8 20. g3 Ne7 21. b4 Rb8 22. Bc4 Ke8 23. Ra7 h4 24. Nxg4 Bxg4 25. hxg4 d5 26. exd5 hxg3 27. Qa4+ Kf8 28. fxg3 Qb6+ 29. Kg2 Rxg4 30. Qd7 Rxg3+ 31. Kxg3 Qe3+ 32. Rf3 Qg1+ 33. Kh3 Qh1+ 34. Kg4 Qg2+ 35. Rg3 Qe2+ 36. Kh4 Qh2+ 37. Qh3 Qf2 38. Qg2 Ng6+ 39. Kh3 Nf4+ 0-1

[Event "BRA-ch"]
[White "Braga, Cicero Nogueira"]
[Black "Chaves, Jaime Augusto"]
[Site "Caxias do Sul"]
[Round "5"]
[Result "1-0"]
[Date "1975.07.??"]
[ECO "B08"]
[PlyCount "59"]
[EventDate "1975.07.06"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 c6 7. a4 Qc7 8. Be3 Nbd7 9. Qd2 Re8 10. h3 e5 11. Rad1 exd4 12. Bxd4 Nxe4 13. Nxe4 Rxe4 14. Bxg7 Kxg7 15. Ng5 Re7 16. f4 f6 17. f5 fxg5 18. Qxg5 Rxe2 19. f6+ Kf7 20. Qh6 Qd8 21. Qxh7+ Ke6 22. Qxg6 Nxf6 23. Qf5+ Kf7 24. Qh5+ Ke7 25. Rxf6 Qb6+ 26. Kh1 Kxf6 27. Rf1+ Rf2 28. Qh4+ Ke6 29. Rxf2 c5 30. Qe4+ 1-0

[Event "BRA-ch"]
[White "Chaves, Jaime Augusto"]
[Black "Araujo, Rodolfo"]
[Site "Caxias do Sul"]
[Round "13"]
[Result "0-1"]
[Date "1975.07.??"]
[ECO "B02"]
[PlyCount "122"]
[EventDate "1975.07.06"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Bc4 e6 6. Nc3 Nxc3 7. dxc3 Qh4 8. Qe2 Bxc5 9. Nh3 f6 10. Bf4 Nc6 11. exf6 gxf6 12. Bxc7 Rg8 13. Bg3 Qg4 14. Qxg4 Rxg4 15. Be2 Rg7 16. Nf4 b6 17. 0-0-0 a5 18. Rhe1 Ra7 19. Nd5 Rxg3 20. fxg3 exd5 21. Bh5+ Kd8 22. Re8+ Kc7 23. Rxd5 Ne5 24. Rd1 Bb7 25. Rf1 Nd3+ 26. Kc2 Nf2 27. Bf3 Ba6 28. Be2 Bb7 29. Bf3 f5 30. Bxb7 Rxb7 31. Rh8 b5 32. Rxh7 Ng4 33. Kd2 Ne3 34. Rf3 Nc4+ 35. Kc2 Nd6 36. Rh8 b4 37. h4 bxc3 38. bxc3 Ba3 39. h5 Rb2+ 40. Kd1 Rxg2 41. h6 Rxa2 42. h7 Rh2 43. Ra8 Rxh7 44. Rxa5 Rh1+ 45. Kc2 Rh2+ 46. Kd3 Bc1 47. Kd4 Bg5 48. Ra7+ Kd8 49. Ra6 Rd2+ 50. Kc5 Ne4+ 51. Kc4 Be7 52. Rd3 Rxd3 53. Ra8+ Kc7 54. Kxd3 Nxg3 55. Ke3 Bd6 56. Ra5 Kc6 57. Kf3 f4 58. Ra6+ Kc7 59. c4 Be5 60. Ra7+ Kc6 61. Ra6+ Kb7 0-1

[Event "BRA-ch"]
[White "Chaves, Jaime Augusto"]
[Black "Camara, Helder"]
[Site "Caxias do Sul"]
[Round "7"]
[Result "1-0"]
[Date "1975.07.??"]
[ECO "B89"]
[PlyCount "95"]
[EventDate "1975.07.06"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bc4 e6 7. Be3 Be7 8. Qe2 0-0 9. 0-0-0 Qc7 10. Rhg1 a6 11. g4 Nxd4 12. Bxd4 e5 13. Be3 Be6 14. Bxe6 fxe6 15. g5 Ne8 16. g6 hxg6 17. Rxg6 Bf6 18. Qh5 Rf7 19. Qg4 Qd7 20. h4 Kf8 21. h5 Ke7 22. Rh1 Kd8 23. Bb6+ Ke7 24. h6 gxh6 25. Rhxh6 Rg7 26. Be3 Rxg6 27. Qxg6 Bg7 28. Rh7 Kf8 29. Bh6 Kg8 30. Bxg7 Nxg7 31. Qh5 Nxh5 32. Rxd7 Rb8 33. Rxd6 Kf7 34. Na4 Nf6 35. Nc5 Rh8 36. f3 Rh3 37. Rd3 Nh5 38. Rd7+ Kf6 39. Rxb7 Rxf3 40. Nxa6 Ng3 41. Nc5 Rf2 42. c3 Re2 43. Rb4 Kg5 44. a4 Kf4 45. a5 Nf1 46. Kb1 Nd2+ 47. Ka2 Rh2 48. a6 1-0

[Event "BRA-ch"]
[White "Chaves, Jaime Augusto"]
[Black "Frota Junior, Gerardo Pinto Da"]
[Site "Caxias do Sul"]
[Round "2"]
[Result "0-1"]
[Date "1975.07.??"]
[ECO "C63"]
[PlyCount "60"]
[EventDate "1975.07.06"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 f5 4. Nc3 fxe4 5. Nxe4 d5 6. Nxe5 dxe4 7. Nxc6 Qd5 8. c4 Qd6 9. Nxa7+ Bd7 10. Bxd7+ Qxd7 11. Qh5+ g6 12. Qe5+ Kf7 13. Nb5 c6 14. Qd4 Qe7 15. Nc3 Nf6 16. 0-0 Rd8 17. Qe3 Qe5 18. Qg3 Qf5 19. f3 Bc5+ 20. Kh1 Rd3 21. b3 Bd6 22. Qf2 Qe5 23. f4 Qh5 24. g3 Rf3 25. Qg2 Ng4 26. Bb2 Re8 27. h4 Nf6 28. Rxf3 exf3 29. Qf2 Qg4 30. d4 Ne4 0-1

[Event "BRA-ch"]
[White "Chaves, Jaime Augusto"]
[Black "Midugno, Renato"]
[Site "Caxias do Sul"]
[Round "17"]
[Result "1-0"]
[Date "1975.07.??"]
[ECO "B33"]
[PlyCount "127"]
[EventDate "1975.07.06"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Ndb5 d6 7. Bg5 a6 8. Na3 b5 9. Nd5 Be7 10. Bxf6 gxf6 11. Bd3 h5 12. c4 Qa5+ 13. Qd2 b4 14. Nc2 Rb8 15. b3 Qc5 16. 0-0 a5 17. Kh1 f5 18. exf5 f6 19. Be4 Bd8 20. Rad1 Rb7 21. Nde3 Rd7 22. Qd5 Bb7 23. Qd3 Qa7 24. Bd5 Qa8 25. Be6 Rg7 26. Rg1 Rhh7 27. Qxd6 Bc7 28. Qd3 h4 29. Bd5 Rh5 30. Qe4 h3 31. gxh3 Rhg5 32. h4 Rxg1+ 33. Rxg1 Rxg1+ 34. Kxg1 Ke7 35. Qg2 Kd6 36. Qg8 Qxg8+ 37. Bxg8 Nd4 38. h5 Nf3+ 39. Kf1 Nxh2+ 40. Ke1 Nf3+ 41. Kd1 Ng5 42. h6 Bf3+ 43. Kd2 Bd8 44. h7 Nxh7 45. Bxh7 Kc5 46. Bg8 a4 47. Bd5 Bh5 48. Ne1 Ba5 49. Nd3+ Kd6 50. f3 Be8 51. c5+ Ke7 52. Nc4 Bc7 53. Nxb4 axb3 54. axb3 Bb5 55. Nc2 Bd7 56. N2e3 Bb5 57. Kc3 Ba6 58. Bc6 Kf7 59. b4 Bb8 60. b5 Bc8 61. Nb6 Bxf5 62. Nxf5 Kg6 63. Be4 Kg5 64. Nd7 1-0

[Event "BRA-ch"]
[White "Chaves, Jaime Augusto"]
[Black "Ribeiro, Claudio"]
[Site "Caxias do Sul"]
[Round "11"]
[Result "1-0"]
[Date "1975.07.??"]
[ECO "C87"]
[PlyCount "115"]
[EventDate "1975.07.06"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 d6 4. 0-0 Bd7 5. c3 Be7 6. d4 Nf6 7. Re1 0-0 8. Nbd2 a6 9. Ba4 b5 10. Bc2 Bg4 11. h3 Bh5 12. d5 Nb8 13. Nf1 Nbd7 14. Ng3 Bg6 15. Be3 h6 16. Qd3 Nh5 17. Nf5 Nf4 18. Nxe7+ Qxe7 19. Qd2 Qf6 20. Kh2 Rab8 21. Ng1 Nb6 22. b3 Rfc8 23. g3 Nh5 24. Ne2 Qe7 25. g4 Nf6 26. Ng3 Nh7 27. Nf5 Bxf5 28. gxf5 Ng5 29. Qe2 Kf8 30. Bd3 Nd7 31. Rg1 Nc5 32. Bxc5 dxc5 33. a4 c6 34. dxc6 Rxc6 35. axb5 axb5 36. Bxb5 Rd6 37. Bc4 Rd2 38. Qe3 Rbd8 39. Bd5 Rb2 40. Ra5 Nh7 41. Qxc5 Qxc5 42. Rxc5 Rxf2+ 43. Rg2 Rf3 44. b4 Ng5 45. Ra2 Rxh3+ 46. Kg2 Re3 47. b5 Nxe4 48. Bxe4 Rxe4 49. b6 Rb8 50. Rc7 Kg8 51. b7 Rxb7 52. Rxb7 Rc4 53. Ra8+ Kh7 54. Rxf7 Rxc3 55. f6 Rc2+ 56. Kf3 e4+ 57. Kxe4 Rc4+ 58. Kd3 1-0

[Event "BRA-ch"]
[White "Chaves, Jaime Augusto"]
[Black "Segal, Alexandru Sorin"]
[Site "Caxias do Sul"]
[Round "9"]
[Result "1/2-1/2"]
[Date "1975.07.??"]
[ECO "C16"]
[PlyCount "56"]
[EventDate "1975.07.06"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Bb4 4. e5 Qd7 5. Nge2 b6 6. Nf4 Nc6 7. Bb5 Bb7 8. 0-0 0-0-0 9. Re1 g6 10. Qd3 h5 11. a3 Bf8 12. b4 Qe7 13. Bxc6 Bxc6 14. Bd2 Bh6 15. b5 Bb7 16. a4 Bxf4 17. Bxf4 g5 18. Bd2 Nh6 19. a5 Nf5 20. axb6 axb6 21. Ra7 f6 22. exf6 Qxf6 23. Ne2 Nd6 24. Rea1 Rhf8 25. f3 e5 26. dxe5 Qxe5 27. Nd4 Qf6 28. Bc3 Rde8 1/2-1/2

[Event "BRA-ch"]
[White "Chaves, Jaime Augusto"]
[Black "Silveira Filho, Neri da Silva"]
[Site "Caxias do Sul"]
[Round "15"]
[Result "0-1"]
[Date "1975.07.??"]
[ECO "B07"]
[PlyCount "94"]
[EventDate "1975.07.06"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Bc4 Nf6 5. f3 c6 6. a4 Na6 7. Be3 Nc7 8. Qd2 h6 9. Nge2 d5 10. Bb3 dxe4 11. Nxe4 Nfd5 12. Bf2 h5 13. f4 Bh6 14. c4 Nf6 15. Nxf6+ exf6 16. d5 0-0 17. 0-0 Na6 18. Qd4 c5 19. Qd2 Qd6 20. Bg3 Qb6 21. Bc2 Qxb2 22. Rfb1 Qe5 23. fxe5 Bxd2 24. exf6 Nb4 25. Rb2 Bg4 26. Bd1 Be3+ 27. Kf1 Rfe8 28. Bd6 Bf5 29. Be7 h4 30. Ra3 Bg5 31. Rbb3 b6 32. Rc3 Rac8 33. g3 Bd2 34. gxh4 Bxc3 35. Rxc3 Bd3 36. Kf2 Bxc4 37. Rxc4 Nxd5 38. Nf4 Nxe7 39. fxe7 Rxe7 40. Bf3 Rd8 41. Nd5 Re5 42. Nf6+ Kg7 43. Ng4 Rd2+ 44. Kg3 Re1 45. a5 f5 46. axb6 axb6 47. Nf2 Rg1+ 0-1

[Event "BRA-ch"]
[White "Chaves, Jaime Augusto"]
[Black "Van Riemsdijk, Herman Claudius"]
[Site "Caxias do Sul"]
[Round "4"]
[Result "0-1"]
[Date "1975.07.??"]
[ECO "A00"]
[PlyCount "82"]
[EventDate "1975.07.06"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. a3 g6 2. c4 Bg7 3. Nc3 Nf6 4. Nf3 0-0 5. e3 c5 6. d4 cxd4 7. exd4 d5 8. c5 b6 9. cxb6 axb6 10. h3 Ne4 11. Qb3 Nxc3 12. Qxc3 Nd7 13. Bf4 Nc5 14. b4 Ne6 15. Bd2 Qd6 16. Bb5 Ba6 17. Bxa6 Rxa6 18. 0-0 Rfa8 19. g3 Qc7 20. Qb2 b5 21. Be3 Qa7 22. Rfc1 Bf6 23. Qb3 Nxd4 24. Qxd5 Nxf3+ 25. Qxf3 Qd7 26. Rd1 Qxh3 27. Bd4 e5 28. Bc5 e4 29. Qxe4 Bxa1 30. Rxa1 Qe6 31. Qf3 Qf6 32. Qxf6 Rxf6 33. Rd1 Rfa6 34. Rd7 Rb8 35. Bd6 Rc8 36. Bc5 Rxa3 37. Rb7 Raa8 38. Bd6 Rd8 39. Bf4 Rd5 40. Be3 Rc8 41. Bf4 h5 0-1

[Event "BRA-ch"]
[White "Gouveia, Carlos Eduardo"]
[Black "Chaves, Jaime Augusto"]
[Site "Caxias do Sul"]
[Round "12"]
[Result "1-0"]
[Date "1975.07.??"]
[ECO "A07"]
[PlyCount "79"]
[EventDate "1975.07.06"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. g3 d5 2. Bg2 e5 3. d3 g6 4. Nf3 Bg7 5. 0-0 Ne7 6. Nbd2 0-0 7. e4 Nbc6 8. Re1 Re8 9. c3 h6 10. Qc2 Be6 11. Nb3 b6 12. Bd2 Qd7 13. Rad1 a5 14. a4 Bg4 15. Bc1 Rad8 16. Nbd2 d4 17. Nc4 Nc8 18. Bd2 Bf8 19. Bc1 Kh7 20. Qe2 Nd6 21. Nxd6 Bxd6 22. c4 Nb4 23. b3 Na6 24. Bd2 Nc5 25. Rb1 Ra8 26. Qf1 c6 27. Nh4 Be7 28. h3 Be6 29. Nf3 f6 30. Nh4 b5 31. f4 Bg8 32. Qe2 Bd6 33. Rf1 bxa4 34. bxa4 Nxa4 35. Nxg6 Kxg6 36. Qh5+ Kh7 37. fxe5 Bf7 38. Qxh6+ Kg8 39. exd6 Qxd6 40. Rf4 1-0

[Event "BRA-ch"]
[White "Lins, Frank Roberto Santa"]
[Black "Chaves, Jaime Augusto"]
[Site "Caxias do Sul"]
[Round "1"]
[Result "0-1"]
[Date "1975.07.??"]
[ECO "B07"]
[PlyCount "106"]
[EventDate "1975.07.06"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Bc4 Bg7 5. f3 Nbd7 6. Nge2 c6 7. a4 0-0 8. Bb3 e5 9. Be3 Re8 10. dxe5 dxe5 11. Qd2 Qe7 12. 0-0-0 Nc5 13. Qd6 Nxb3+ 14. cxb3 Qxd6 15. Rxd6 Be6 16. Kc2 Bf8 17. Rd3 Nd7 18. Rhd1 Nc5 19. Bxc5 Bxc5 20. Nb1 Be7 21. Na3 Red8 22. Nc4 Rxd3 23. Rxd3 f6 24. Na5 Rb8 25. Nc3 Bb4 26. Nc4 Kf7 27. Na2 Bc5 28. Na5 Ke7 29. Nc3 Bb4 30. Nc4 Rd8 31. Na2 Bc5 32. Na5 Rxd3 33. Kxd3 Bc8 34. b4 Bd6 35. Nc4 b6 36. Nxd6 Kxd6 37. Nc3 a5 38. b5 Be6 39. bxc6 Kxc6 40. g3 Kc5 41. f4 h6 42. h4 Kb4 43. Nd5+ Kxa4 44. fxe5 fxe5 45. Kc4 h5 46. b3+ Ka3 47. Kc3 b5 48. b4 Bxd5 49. exd5 axb4+ 50. Kc2 b3+ 51. Kb1 e4 52. d6 e3 53. Kc1 b2+ 0-1

[Event "BRA-ch"]
[White "Miranda, Marcio MC"]
[Black "Chaves, Jaime Augusto"]
[Site "Caxias do Sul"]
[Round "14"]
[Result "1-0"]
[Date "1975.07.??"]
[ECO "A57"]
[PlyCount "51"]
[EventDate "1975.07.06"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. d4 c5 2. d5 Nf6 3. c4 b5 4. a4 bxc4 5. Nc3 d6 6. e4 Ba6 7. f4 Nbd7 8. Nf3 g6 9. Nd2 Qa5 10. Qf3 Bg7 11. g4 Nb6 12. Be2 Nfd7 13. h4 Bd4 14. Ra3 e6 15. g5 0-0-0 16. Nb5 Bxb5 17. axb5 Qxb5 18. Rxa7 Kb8 19. Qa3 exd5 20. Rh3 Rde8 21. Kd1 Kc8 22. Rb3 Qc6 23. Qa6+ Kd8 24. exd5 Qa4 25. Qxa4 Nxa4 26. Nxc4 1-0

[Event "BRA-ch"]
[White "Pereira, Edgar Silva"]
[Black "Chaves, Jaime Augusto"]
[Site "Caxias do Sul"]
[Round "10"]
[Result "0-1"]
[Date "1975.07.??"]
[ECO "A28"]
[PlyCount "80"]
[EventDate "1975.07.06"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e5 3. Nf3 Nc6 4. d4 exd4 5. Nxd4 Bb4 6. Bg5 h6 7. Bh4 0-0 8. e3 Ne5 9. Qb3 Ba5 10. 0-0-0 Ng6 11. Bg3 Bxc3 12. Qxc3 Ne4 13. Qc2 Nxg3 14. hxg3 c6 15. Bd3 d5 16. cxd5 cxd5 17. Bxg6 fxg6 18. Qxg6 Rxf2 19. Ne6 Bxe6 20. Qxe6+ Kh7 21. Rd3 Qc8+ 22. Qxc8 Rxc8+ 23. Kb1 Rcc2 24. Rb3 b6 25. g4 Kg6 26. g3 Kg5 27. Rh5+ Kxg4 28. Rxd5 Rcd2 29. Rxd2 Rxd2 30. Kc1 Rd7 31. e4 g5 32. Re3 h5 33. Kc2 h4 34. gxh4 Kf4 35. Re1 g4 36. e5 g3 37. e6 Re7 38. Kd3 g2 39. Re4+ Kf3 40. Re1 Kf2 0-1

[Event "BRA-ch"]
[White "Pereira, Silvio Cunha"]
[Black "Chaves, Jaime Augusto"]
[Site "Caxias do Sul"]
[Round "8"]
[Result "0-1"]
[Date "1975.07.??"]
[ECO "B17"]
[PlyCount "114"]
[EventDate "1975.07.06"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Bc4 Ngf6 6. Ng5 e6 7. Ne2 h6 8. Nf3 c5 9. c3 Be7 10. 0-0 0-0 11. Ne5 cxd4 12. Nxd7 Bxd7 13. Qxd4 b5 14. Bb3 Qc7 15. Bf4 Qb7 16. Qd3 Bc6 17. Qh3 Be4 18. Rfd1 Bf5 19. Qe3 Rfd8 20. Nd4 Bg6 21. Qe2 a6 22. Re1 Bc5 23. Be5 Nd7 24. Bg3 Bxd4 25. cxd4 Nb6 26. Be5 Rac8 27. Qg4 Nc4 28. h4 Nxe5 29. dxe5 Bc2 30. Re3 Rd3 31. Rae1 Rxe3 32. Rxe3 Bf5 33. Qd4 Qe7 34. Rc3 Rd8 35. Qf4 Qa7 36. Rc6 a5 37. Rd6 Rb8 38. Qc1 a4 39. Bd1 Qa5 40. Qd2 Qxd2 41. Rxd2 Be4 42. f3 Bd5 43. a3 f6 44. exf6 gxf6 45. Rd4 Rc8 46. Be2 Rc1+ 47. Kf2 Rc2 48. Ke3 Rxb2 49. Rd2 Rb3+ 50. Rd3 b4 51. Rxb3 Bxb3 52. Kd2 bxa3 53. Kc1 e5 54. Bd3 Kf7 55. Bf5 Ke7 56. Kb1 Kd6 57. h5 Kd5 0-1

[Event "BRA-ch"]
[White "Rocha, Antonio Cavilhas"]
[Black "Chaves, Jaime Augusto"]
[Site "Caxias do Sul"]
[Round "3"]
[Result "1/2-1/2"]
[Date "1975.07.??"]
[ECO "D91"]
[PlyCount "57"]
[EventDate "1975.07.06"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 g6 2. c4 Bg7 3. d4 Nf6 4. Nc3 d5 5. Bg5 Ne4 6. cxd5 Nxg5 7. Nxg5 e6 8. Nf3 exd5 9. e3 0-0 10. Be2 c6 11. 0-0 Qe7 12. a3 f5 13. Re1 Nd7 14. b4 g5 15. b5 g4 16. Nd2 h5 17. bxc6 bxc6 18. Bd3 Qd6 19. Ne2 c5 20. Ng3 cxd4 21. Nxf5 Qf6 22. exd4 Rf7 23. Qe2 Bf8 24. Ne3 Nb6 25. Nb3 Bd6 26. g3 Bd7 27. Ng2 Raf8 28. Rf1 Re7 29. Qd2 1/2-1/2

[Event "BRA-ch"]
[White "Toth, Vince"]
[Black "Chaves, Jaime Augusto"]
[Site "Caxias do Sul"]
[Round "16"]
[Result "0-1"]
[Date "1975.07.??"]
[ECO "A38"]
[PlyCount "118"]
[EventDate "1975.07.06"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. Nf3 g6 2. d4 Nf6 3. g3 Bg7 4. Bg2 0-0 5. c4 c5 6. Nc3 cxd4 7. Nxd4 Nc6 8. Nc2 d6 9. 0-0 Be6 10. b3 Qd7 11. Re1 Bh3 12. Bh1 Ng4 13. Bb2 Qf5 14. Bf3 Nce5 15. Nd5 Rae8 16. Nce3 Qd7 17. Bxg4 Bxg4 18. Rb1 Bh3 19. Nf4 Rc8 20. Qd2 b6 21. Nxh3 Qxh3 22. f4 Ng4 23. Nxg4 Qxg4 24. Bxg7 Kxg7 25. Kg2 Rfd8 26. h3 Qd7 27. Qd4+ Kg8 28. Rbd1 Rc5 29. e4 Qc6 30. Kh2 b5 31. cxb5 Qxb5 32. Rd2 Rdc8 33. Qf2 a5 34. h4 a4 35. bxa4 Qxa4 36. Ree2 Rc1 37. e5 dxe5 38. Rxe5 e6 39. Ree2 h5 40. Qd4 Qc6 41. Qe4 Qxe4 42. Rxe4 R1c2 43. Ree2 Rxd2 44. Rxd2 Ra8 45. Kh3 Kf8 46. Kg2 Ra3 47. Kf2 Ke7 48. Kg2 Kf6 49. Kh3 Kf5 50. Rb2 f6 51. Rf2 Ke4 52. Rb2 e5 53. fxe5 fxe5 54. Re2+ Kd4 55. Rd2+ Ke3 56. Rd6 e4 57. Rxg6 Kf2 58. Rg5 Rf3 59. a4 e3 0-1

[Event "BRA-ch"]
[White "Trois, Francisco R Torres"]
[Black "Chaves, Jaime Augusto"]
[Site "Caxias do Sul"]
[Round "18"]
[Result "1-0"]
[Date "1975.07.??"]
[ECO "B23"]
[PlyCount "33"]
[EventDate "1975.07.06"]
[EventType "tourn"]
[EventRounds "19"]
[EventCountry "BRA"]
[SourceTitle "EXT 2002"]
[Source "ChessBase"]
[SourceDate "2001.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2001.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bc4 e6 6. f5 exf5 7. d3 Nge7 8. 0-0 0-0 9. Qe1 d6 10. Qh4 Nd4 11. Bg5 Re8 12. Nd5 Kf8 13. Nxd4 Bxd4+ 14. Kh1 h5 15. Rae1 Be5 16. exf5 Bxf5 17. Rxe5 1-0

[Event "Sao Paulo Zonal South"]
[White "Braga, Cicero Nogueira"]
[Black "Chaves, Jaime Augusto"]
[Site "Sao Paulo"]
[Round "2"]
[Result "0-1"]
[Date "1975.04.??"]
[ECO "B17"]
[PlyCount "80"]
[EventDate "1975.04.15"]
[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 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nd7 5. Ng5 Ngf6 6. Bc4 e6 7. Qe2 Nb6 8. Bb3 a5 9. a3 a4 10. Ba2 h6 11. N5f3 Bd6 12. Be3 Qe7 13. Ne5 0-0 14. Ngf3 Nbd5 15. c4 Nxe3 16. Qxe3 c5 17. 0-0-0 Bd7 18. g4 cxd4 19. Nxd4 Bxe5 20. Qxe5 Nxg4 21. Qe2 Qg5+ 22. Kb1 Qf4 23. Ka1 e5 24. Nb5 Bc6 25. Nc7 Bf3 26. Qc2 Bxh1 27. Rxh1 Qxf2 28. Qe4 Qf4 29. Qe2 Nf6 30. Nxa8 Rxa8 31. Rd1 e4 32. c5 e3 33. Qb5 Qc7 34. Bc4 Ra5 35. Qb4 Rxc5 36. Rd8+ Qxd8 37. Qxc5 Qe8 38. Be2 Qe4 39. Qc8+ Kh7 40. Qc3 Nd5 0-1

[Event "Sao Paulo Zonal South"]
[White "Chaves, Jaime Augusto"]
[Black "Filguth, Rubens Alberto"]
[Site "Sao Paulo"]
[Round "5"]
[Result "1-0"]
[Date "1975.04.??"]
[ECO "B02"]
[PlyCount "99"]
[EventDate "1975.04.15"]
[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 Nf6 2. e5 Nd5 3. c4 Nb6 4. c5 Nd5 5. Bc4 e6 6. Nc3 d6 7. cxd6 cxd6 8. Nxd5 exd5 9. Bxd5 dxe5 10. Qb3 Qc7 11. Nf3 Bd6 12. d4 Nc6 13. dxe5 Nxe5 14. Nxe5 Bxe5 15. Bd2 0-0 16. Rc1 Qe7 17. 0-0 Qf6 18. Bc3 Bxc3 19. Rxc3 Be6 20. Bxe6 Qxe6 21. Qxe6 fxe6 22. Rc7 Rf7 23. Rfc1 Raf8 24. f3 g6 25. Kf2 Kg7 26. Ke3 Kf6 27. Ke4 h6 28. h4 a6 29. b4 b5 30. Rxf7+ Rxf7 31. Rc6 Ra7 32. a3 a5 33. Rb6 axb4 34. axb4 Ra2 35. g4 Re2+ 36. Kf4 g5+ 37. Kg3 gxh4+ 38. Kxh4 Re5 39. f4 Re4 40. f5 Rxb4 41. Rxe6+ Kg7 42. Rg6+ Kh7 43. Kh5 Rb1 44. Rxh6+ Kg7 45. Rb6 b4 46. Kg5 b3 47. Rb7+ Kf8 48. Kg6 b2 49. f6 Ke8 50. f7+ 1-0

