[Event "BRA-ch sf"]
[Site "Brasilia"]
[Date "1983.03.??"]
[Round "2"]
[White "Asfora, Marco Antonio Hazin"]
[Black "Rocha, Joao Cesar Mattos"]
[Result "1/2-1/2"]
[ECO "A54"]
[PlyCount "120"]
[EventDate "1983.03.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 d6 2. d4 e5 3. Nf3 Nd7 4. Nc3 Ngf6 5. Bg5 c6 6. e4 Be7 7. Be2 Qc7 8. 0-0 0-0 9. h3 exd4 10. Nxd4 Nc5 11. Nf5 Bxf5 12. exf5 Rad8 13. Bf4 Qc8 14. Qc2 d5 15. cxd5 cxd5 16. Nb5 d4 17. Rad1 d3 18. Bxd3 Nd5 19. f6 Nxf6 20. Bf5 Qc6 21. Nd4 Qa4 22. Qxa4 Nxa4 23. Bc1 Rd5 24. Bc2 Nb6 25. Bb3 Rd7 26. Nf5 Bc5 27. Rxd7 Nbxd7 28. Rd1 Ne5 29. Bf4 Nc6 30. Bd6 Bxd6 31. Nxd6 Na5 32. Bc2 Rd8 33. b4 Nc6 34. a3 b6 35. Bb3 Kf8 36. Kf1 Ne8 37. Nxe8 Rxd1+ 38. Bxd1 Kxe8 39. Ba4 Kd7 40. Ke2 Kd6 41. Ke3 Ne5 42. Bb3 f6 43. Bg8 h6 44. Ke4 Ng6 45. f4 Kd7 46. g3 Kd6 47. Bb3 Ne7 48. h4 Ng6 49. Bf7 Ne7 50. g4 Nc6 51. Be8 Ne7 52. Bf7 Nc6 53. g5 hxg5 54. fxg5 fxg5 55. hxg5 Ne7 56. Bb3 Nc6 57. Ba2 Ne7 58. Bc4 Nc6 59. Bd5 Ne7 60. Bb7 Ng6 1/2-1/2

[Event "BRA-ch sf"]
[Site "Brasilia"]
[Date "1983.03.??"]
[Round "1"]
[White "Rocha, Joao Cesar Mattos"]
[Black "Braga, Cicero Nogueira"]
[Result "1/2-1/2"]
[ECO "E66"]
[BlackElo "2350"]
[PlyCount "84"]
[EventDate "1983.03.26"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. Nc3 Nc6 7. d4 a6 8. d5 Na5 9. Qd3 c5 10. Nd2 Rb8 11. Rb1 Ng4 12. b3 b5 13. cxb5 axb5 14. Qc2 b4 15. Na4 Ba6 16. Re1 Bd4 17. e3 Bg7 18. Bb2 Ne5 19. Bf1 Bxf1 20. Rxf1 e6 21. dxe6 fxe6 22. Bxe5 Bxe5 23. f4 Bg7 24. Nf3 Qe7 25. Rfd1 Rfc8 26. Qe4 Bf6 27. Qd3 d5 28. e4 c4 29. Qe2 c3 30. Rbc1 Rd8 31. e5 Bg7 32. Nd4 Re8 33. Qa6 Ra8 34. Qb5 Bf8 35. Rc2 Reb8 36. Qe2 Qd7 37. Qg4 Ra6 38. h4 Nc6 39. Qxe6+ Qxe6 40. Nxe6 d4 41. Nxf8 Rxf8 42. Nc5 Ra5 1/2-1/2

[Event "BRA-ch U20 9th"]
[Site "Curitiba"]
[Date "1982.06.??"]
[Round "6"]
[White "Freire, Marcelo Muniz"]
[Black "Rocha, Joao Cesar Mattos"]
[Result "0-1"]
[ECO "B07"]
[PlyCount "84"]
[EventDate "1982.06.04"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 Nf6 2. d3 d5 3. Nd2 dxe4 4. dxe4 e5 5. Ngf3 Bc5 6. Bc4 0-0 7. 0-0 Qe7 8. c3 Bg4 9. h3 Bh5 10. b4 Bb6 11. Bb2 Nbd7 12. Qe2 Rfd8 13. Bb3 c6 14. Nc4 Bc7 15. Bc2 Nf8 16. Kh2 Ne6 17. Qe3 b5 18. Ncd2 Bb6 19. Qe1 Nf4 20. a3 Nd3 21. Bxd3 Rxd3 22. Rc1 Rad8 23. c4 Bc7 24. cxb5 cxb5 25. Rc5 a6 26. Qc1 Bd6 27. Rc6 Bxf3 28. Nxf3 Nxe4 29. Qc2 Nf6 30. Ne1 Rd5 31. Rxa6 Bb8 32. Qc6 Ne8 33. Kg1 Qc7 34. Nf3 e4 35. Ne5 Rxe5 36. Bxe5 Qxe5 37. g3 e3 38. f4 Qd4 39. Re1 Qd2 40. Qc1 Qf2+ 41. Kh1 Rd2 42. Qxd2 Qxd2 0-1

[Event "BRA-ch U20 9th"]
[Site "Curitiba"]
[Date "1982.06.??"]
[Round "8"]
[White "Milos, Gilberto"]
[Black "Rocha, Joao Cesar Mattos"]
[Result "1/2-1/2"]
[ECO "E05"]
[PlyCount "77"]
[EventDate "1982.06.04"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 Be7 5. Bg2 0-0 6. 0-0 dxc4 7. Qc2 b5 8. a4 c6 9. axb5 Bb7 10. Qxc4 cxb5 11. Qxb5 Bc6 12. Qd3 Qb6 13. Nc3 Rd8 14. Bf4 a5 15. Rfc1 Qb7 16. Na4 Be4 17. Ne1 Bxg2 18. Nxg2 Nc6 19. Qf3 Nd5 20. Rc4 Rac8 21. Bd2 Ne5 22. dxe5 Rxc4 23. b3 Rc6 24. Bxa5 Ra8 25. Bd2 Bb4 26. Bxb4 Qxb4 27. Rd1 Rac8 28. e4 Nb6 29. Nxb6 Rxb6 30. Nf4 Qxb3 31. Qg4 Rbc6 32. Kg2 Qb8 33. Rd6 Rxd6 34. Nh5 g6 35. Nf6+ Kg7 36. Qh4 Rd4 37. Qxh7+ Kf8 38. Nd7+ Rxd7 39. Qh8+ 1/2-1/2

[Event "BRA-ch U20 9th"]
[Site "Curitiba"]
[Date "1982.06.??"]
[Round "2"]
[White "Mueller Jr, Bruno"]
[Black "Rocha, Joao Cesar Mattos"]
[Result "1-0"]
[ECO "A30"]
[PlyCount "95"]
[EventDate "1982.06.04"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 b6 3. g3 Bb7 4. Bg2 Nf6 5. 0-0 e6 6. Nc3 Be7 7. d4 cxd4 8. Qxd4 a6 9. e4 d6 10. b3 Nbd7 11. Rd1 0-0 12. Bb2 Qc7 13. Rac1 Rac8 14. h3 Rfd8 15. Qe3 Qb8 16. Ne1 Nc5 17. Nd3 Nxd3 18. Rxd3 Nd7 19. Qf4 Ne5 20. Rdd1 Bc6 21. a4 b5 22. axb5 axb5 23. cxb5 Bxb5 24. Nxb5 Qxb5 25. Qe3 Nc6 26. Bf1 Qb7 27. Ra1 Ra8 28. Rdc1 Rxa1 29. Rxa1 Rb8 30. Bc4 Bd8 31. Ba3 Bc7 32. Rd1 Rd8 33. Qe2 Ne5 34. Bb2 Nxc4 35. Qxc4 Bb6 36. Bd4 Bxd4 37. Rxd4 Rd7 38. Qd3 g6 39. b4 Qb6 40. b5 e5 41. Rd5 Rd8 42. Kg2 Kf8 43. Qa3 Ke8 44. Qa6 Qxa6 45. bxa6 Kd7 46. Rb5 Rc8 47. Rb7+ Rc7 48. a7 1-0

[Event "BRA-ch U20 9th"]
[Site "Curitiba"]
[Date "1982.06.??"]
[Round "7"]
[White "Rocha, Joao Cesar Mattos"]
[Black "Correa, Aron Antunes"]
[Result "1/2-1/2"]
[ECO "A26"]
[PlyCount "85"]
[EventDate "1982.06.04"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 0-0 5. Nc3 d6 6. 0-0 Nc6 7. Rb1 e5 8. d3 a5 9. a3 Re8 10. b4 axb4 11. axb4 e4 12. Nxe4 Nxe4 13. dxe4 Rxe4 14. Nd2 Re8 15. e3 Bf5 16. e4 Bd7 17. Bb2 Bxb2 18. Rxb2 Qf6 19. Qb1 Ra3 20. f4 Nd4 21. e5 dxe5 22. Ne4 Qd8 23. fxe5 Bf5 24. g4 Bxe4 25. Qxe4 Nc6 26. Qf4 Nxe5 27. Bd5 Qd7 28. Re2 c6 29. Rxe5 cxd5 30. Rxd5 Qe7 31. Rd4 Re3 32. Qf6 Qc7 33. Qf4 R8e5 34. Rf3 Rxf3 35. Qxf3 Qe7 36. c5 Re1+ 37. Kf2 Rb1 38. Re4 Rb2+ 39. Kg3 Qd7 40. Qe3 Qc7+ 41. Qf4 Rb3+ 42. Kg2 Rb2+ 43. Kg3 1/2-1/2

[Event "BRA-ch U20 9th"]
[Site "Curitiba"]
[Date "1982.06.??"]
[Round "1"]
[White "Rocha, Joao Cesar Mattos"]
[Black "Da Silva, Osmar Miranda Jr"]
[Result "1/2-1/2"]
[ECO "E18"]
[PlyCount "27"]
[EventDate "1982.06.04"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. g3 b6 4. Bg2 Bb7 5. 0-0 Be7 6. Nc3 0-0 7. d4 Ne4 8. Nxe4 Bxe4 9. d5 d6 10. dxe6 fxe6 11. Nd4 Bxg2 12. Kxg2 Qd7 13. Qc2 Nc6 14. Be3 1/2-1/2

[Event "BRA-ch U20 9th"]
[Site "Curitiba"]
[Date "1982.06.??"]
[Round "9"]
[White "Rocha, Joao Cesar Mattos"]
[Black "Fier, Luciano dos Santos"]
[Result "1-0"]
[ECO "E62"]
[PlyCount "85"]
[EventDate "1982.06.04"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d6 5. Nc3 e5 6. d4 Nc6 7. dxe5 dxe5 8. Qxd8+ Kxd8 9. Bg5 h6 10. Rd1+ Ke8 11. Bxf6 Bxf6 12. Nd5 Bd8 13. 0-0 Kf8 14. h3 Kg7 15. e4 f6 16. Rd2 Ne7 17. Rfd1 Nxd5 18. cxd5 Be7 19. Rc2 Bd6 20. Nd2 f5 21. Rdc1 Rf8 22. f3 Bd7 23. Nc4 Bc5+ 24. Kh2 Bd4 25. Na5 Bb6 26. Nxb7 Bb5 27. Nc5 fxe4 28. Ne6+ Kg8 29. Nxf8 Rxf8 30. fxe4 Bd3 31. Rc3 Bb5 32. Rf3 Rxf3 33. Bxf3 Kf7 34. Bg2 g5 35. Bf1 Bd7 36. b3 Ke7 37. a4 Kd6 38. Kg2 Bc5 39. Bb5 Bxb5 40. axb5 h5 41. Kf3 Bb6 42. Rc6+ Kd7 43. Rg6 1-0

[Event "BRA-ch U20 9th"]
[Site "Curitiba"]
[Date "1982.06.??"]
[Round "5"]
[White "Rocha, Joao Cesar Mattos"]
[Black "Matsuura, Horacio"]
[Result "1-0"]
[ECO "E63"]
[PlyCount "97"]
[EventDate "1982.06.04"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d6 6. d4 Nc6 7. Nc3 a6 8. b3 Rb8 9. d5 Na5 10. Nd4 Bd7 11. Bb2 Qc8 12. e4 c5 13. dxc6 bxc6 14. Qe2 c5 15. Nc2 Bh3 16. Ne3 Bxg2 17. Kxg2 Nc6 18. Ned5 e6 19. Nxf6+ Bxf6 20. Qd2 Bd4 21. Ne2 e5 22. Bxd4 cxd4 23. Rae1 f5 24. Nc1 fxe4 25. Rxe4 Qf5 26. Qe2 g5 27. h4 h6 28. Nd3 Rb7 29. hxg5 hxg5 30. Rh1 Rbf7 31. Rg4 Rg7 32. Rh6 Rf6 33. Rxf6 Qxf6 34. f3 Ne7 35. Nb4 Nf5 36. Nd5 Qh6 37. Qd2 Kh8 38. Qa5 Kh7 39. Qd8 Ne3+ 40. Nxe3 dxe3 41. Qb6 e2 42. Qe3 Kh8 43. Rh4 e1N+ 44. Kf1 Qxh4 45. gxh4 Nc2 46. Qe4 Nd4 47. hxg5 Rf7 48. Kg2 Kg7 49. c5 1-0

[Event "BRA-ch U20 9th"]
[Site "Curitiba"]
[Date "1982.06.??"]
[Round "3"]
[White "Rocha, Joao Cesar Mattos"]
[Black "Trindade, Sandro Heleno"]
[Result "0-1"]
[ECO "B53"]
[PlyCount "44"]
[EventDate "1982.06.04"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 a6 5. c4 Nc6 6. Qe3 g6 7. Be2 Bg7 8. 0-0 Bg4 9. Nc3 e5 10. b3 Bh6 11. Qd3 Bxc1 12. Raxc1 Bxf3 13. Bxf3 Nge7 14. Ne2 Qc7 15. Rfd1 Rd8 16. Qd2 0-0 17. Rc3 f5 18. Rd3 f4 19. Bg4 Kg7 20. Rxd6 Rxd6 21. Qxd6 Rd8 22. Bd7 Qxd6 0-1

[Event "BRA-ch U20 9th"]
[Site "Curitiba"]
[Date "1982.06.??"]
[Round "4"]
[White "Terzian, Francisco Antonio"]
[Black "Rocha, Joao Cesar Mattos"]
[Result "1-0"]
[ECO "B15"]
[PlyCount "73"]
[EventDate "1982.06.04"]
[EventType "tourn"]
[EventRounds "9"]
[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 Nf6 5. Ng5 h6 6. N5f3 Bf5 7. Ne2 e6 8. Ng3 Bh7 9. Bd3 Bxd3 10. Qxd3 Nbd7 11. Bd2 Qc7 12. 0-0 Bd6 13. c4 0-0 14. Rae1 c5 15. Bc3 cxd4 16. Bxd4 Rfe8 17. Bc3 Rac8 18. b3 Red8 19. Qe2 b5 20. Nd2 Bf4 21. Rc1 bxc4 22. Bxf6 Nxf6 23. Rxc4 Rxd2 24. Rxc7 Rxc7 25. Qf3 Bxg3 26. Qxg3 Nd5 27. a4 a5 28. Qd6 Rb2 29. Qa6 Rcc2 30. Qxa5 Rxb3 31. h3 g6 32. Ra1 Rbb2 33. Qe1 Nf4 34. a5 Nd3 35. Qf1 Nc5 36. a6 Ra2 37. a7 1-0

[Event "Tijuca op"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "4"]
[White "Barros, Jose"]
[Black "Rocha, Joao Cesar Mattos"]
[Result "0-1"]
[ECO "B53"]
[PlyCount "46"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[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. Bc4 Nf6 5. Nxd4 g6 6. Qe2 Bg7 7. f4 0-0 8. Nc3 a6 9. Bd2 Nc6 10. Nf3 b5 11. Bd3 Nb4 12. 0-0-0 Nxd3+ 13. Qxd3 b4 14. Ne2 a5 15. h4 Ba6 16. Qe3 Ng4 17. Qg1 Bxe2 18. Re1 Ba6 19. h5 Qc7 20. Re3 Rfc8 21. c3 Nxe3 22. hxg6 bxc3 23. gxf7+ Kf8 0-1

[Event "Tijuca op"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "1"]
[White "Loureiro, Luiz R Vasconcelos"]
[Black "Rocha, Joao Cesar Mattos"]
[Result "1/2-1/2"]
[ECO "C09"]
[PlyCount "83"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Bb5+ Nc6 6. Ngf3 Bd6 7. 0-0 Nge7 8. dxc5 Bxc5 9. Nb3 Bd6 10. c3 0-0 11. Bg5 Qc7 12. Bh4 Nf5 13. Bg3 Nxg3 14. hxg3 Rd8 15. Bd3 h6 16. Bc2 Ne7 17. Nbd4 Bc5 18. Re1 Ng6 19. Qd3 Nf8 20. Re3 Bd7 21. b4 Bb6 22. Bb3 Be6 23. Rae1 Rac8 24. Nh4 a5 25. a3 Qd7 26. g4 Bxg4 27. Re7 Qd6 28. Nhf5 Qf6 29. R7e5 Ng6 30. Ne7+ Nxe7 31. Rxe7 Bc7 32. Rxc7 Rxc7 33. Qg3 Rdc8 34. Qxg4 Rxc3 35. Re3 Rc1+ 36. Kh2 h5 37. Qxh5 Qxd4 38. Bxd5 Qf4+ 39. Rg3 Rf1 40. Qg6 Qh4+ 41. Rh3 Qf4+ 42. Rg3 1/2-1/2

[Event "Tijuca op"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "2"]
[White "Quinteros, Miguel Angel"]
[Black "Rocha, Joao Cesar Mattos"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "2480"]
[PlyCount "43"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Nd2 c5 4. Ngf3 Nc6 5. g3 Nf6 6. Bg2 Be7 7. 0-0 0-0 8. Re1 Qc7 9. e5 Nd7 10. Qe2 f6 11. exf6 Nxf6 12. Bh3 e5 13. Bxc8 Raxc8 14. Nxe5 Nd4 15. Qd1 Bd6 16. Nef3 Ng4 17. Nxd4 Nxf2 18. Ne6 Qb8 19. Qh5 Rf6 20. Nf1 Rcf8 21. Nxf8 Rxf8 22. Be3 1-0

[Event "Tijuca op"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "6"]
[White "Rocha, Joao Cesar Mattos"]
[Black "Braga, Cicero Nogueira"]
[Result "1-0"]
[ECO "A68"]
[PlyCount "80"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[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 Bg7 4. e4 d6 5. f4 0-0 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. cxd5 Re8 10. Bd3 c4 11. Bxc4 Nxe4 12. Nxe4 Rxe4+ 13. Be2 Qb6 14. Qc2 Bf5 15. g4 Rxf4 16. gxf5 Rxf3 17. Qc8+ Bf8 18. Bxf3 Qb4+ 19. Bd2 Qh4+ 20. Kd1 Nc6 21. Qxa8 Nd4 22. Re1 Nxf3 23. Re8 Nxd2 24. Rxf8+ Kg7 25. Rg8+ Kh6 26. Qf8+ Kh5 27. Qe8 Ne4 28. Rc1 Qg4+ 29. Kc2 Nf6 30. Qxf7 Qe4+ 31. Kb3 Qd3+ 32. Rc3 Qd1+ 33. Ka3 b5 34. Qxa7 g5 35. Rg7 b4+ 36. Kxb4 Nxd5+ 37. Ka3 Nxc3 38. Qf7+ Kg4 39. Qc4+ Kxf5 40. Qxc3 Qd5 1-0

[Event "Tijuca op"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "5"]
[White "Rocha, Joao Cesar Mattos"]
[Black "Cajal, Andre"]
[Result "1-0"]
[ECO "E14"]
[PlyCount "59"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 b6 3. c4 Bb7 4. Nf3 e6 5. Be2 d5 6. 0-0 Be7 7. Nc3 0-0 8. b3 c5 9. Bb2 Nbd7 10. Rc1 Rc8 11. cxd5 Nxd5 12. Nxd5 Bxd5 13. Bd3 cxd4 14. Rxc8 Qxc8 15. Nxd4 Qa8 16. Nf3 Rd8 17. Qc2 h6 18. e4 Bb7 19. Qc3 Bf8 20. e5 Bxf3 21. gxf3 Nxe5 22. Be4 Nxf3+ 23. Qxf3 Qc8 24. Kh1 Rd2 25. Bc1 Rxa2 26. Bb1 Ra5 27. Rg1 g6 28. Bxg6 fxg6 29. Rxg6+ Kh8 30. Qf6+ 1-0

[Event "Tijuca op"]
[Site "Tijuca"]
[Date "1978.??.??"]
[Round "3"]
[White "Rocha, Joao Cesar Mattos"]
[Black "Teixeira, Ricardo da Silva"]
[Result "0-1"]
[ECO "A05"]
[PlyCount "42"]
[EventDate "1978.??.??"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2003"]
[Source "ChessBase"]
[SourceDate "2002.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2002.11.25"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d3 c5 6. e4 Nc6 7. Nbd2 d6 8. Re1 e5 9. a4 h6 10. Nc4 Be6 11. Nfd2 Qd7 12. c3 d5 13. exd5 Bxd5 14. Nxe5 Nxe5 15. Rxe5 Bxg2 16. Kxg2 Qxd3 17. Qb3 Rae8 18. Rxc5 Re2 19. Qc4 Qe3 20. Qd4 Rxf2+ 21. Kh3 Qe7 0-1

[Event "Joinville open"]
[Site "Joinville"]
[Date "1977.05.??"]
[Round "7"]
[White "Carvalho, Ligia"]
[Black "Rocha, Joao Cesar Mattos"]
[Result "0-1"]
[ECO "A40"]
[PlyCount "76"]
[EventDate "1977.05.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. e4 Bb4 5. f3 Qh4+ 6. g3 Qf6 7. e5 Qe7 8. Bg2 Bxc3+ 9. bxc3 f6 10. exf6 Nxf6 11. Ne2 0-0 12. 0-0 e5 13. a4 exd4 14. cxd4 d6 15. d5 Nbd7 16. Nd4 Nc5 17. Re1 Qf7 18. Bh3 Bc8 19. Bxc8 Raxc8 20. Ba3 Nfd7 21. Ne6 Rfe8 22. Qe2 Re7 23. f4 Rce8 24. f5 Qxf5 25. Rf1 Qg6 26. Qf3 Nxe6 27. dxe6 Qxe6 28. Rae1 Ne5 29. Qb7 c5 30. Qd5 Qxd5 31. cxd5 Nf3+ 32. Rxf3 Rxe1+ 33. Kg2 R1e2+ 34. Rf2 Rxf2+ 35. Kxf2 Re5 36. Bb2 Rxd5 37. Ke3 Rd1 38. Ke2 Rh1 0-1

[Event "Joinville open"]
[Site "Joinville"]
[Date "1977.05.??"]
[Round "5"]
[White "Petermann, Ronaldo"]
[Black "Rocha, Joao Cesar Mattos"]
[Result "1/2-1/2"]
[ECO "A40"]
[PlyCount "57"]
[EventDate "1977.05.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 e6 2. c4 b6 3. Nc3 Bb7 4. e4 Bb4 5. Bd3 f5 6. Qe2 Nf6 7. Bg5 Bxc3+ 8. bxc3 fxe4 9. Bxf6 Qxf6 10. Bxe4 Bxe4 11. Qxe4 Nc6 12. Nf3 0-0 13. 0-0 Qf4 14. Rfe1 Qxe4 15. Rxe4 Rf5 16. Rd1 Na5 17. d5 exd5 18. cxd5 Nb7 19. Re7 Nc5 20. d6 c6 21. Ne5 Rd8 22. Rd4 Rf6 23. f3 Re6 24. Kf1 Re8 25. Nxd7 R6xe7 26. dxe7 Ne6 27. Rd6 Rxe7 28. Ne5 Nf8 29. Nxc6 1/2-1/2

[Event "Joinville open"]
[Site "Joinville"]
[Date "1977.05.??"]
[Round "2"]
[White "Pons, Marcel"]
[Black "Rocha, Joao Cesar Mattos"]
[Result "0-1"]
[ECO "A34"]
[PlyCount "97"]
[EventDate "1977.05.19"]
[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 e6 2. Nc3 b6 3. Nf3 Bb7 4. e4 c5 5. d4 cxd4 6. Nxd4 a6 7. Be3 Bb4 8. Bd3 f5 9. f3 Bxc3+ 10. bxc3 fxe4 11. fxe4 Nf6 12. Bg5 h6 13. Bxf6 Qxf6 14. Rf1 Qh4+ 15. g3 Qxh2 16. Qf3 Kd8 17. Ne2 Nc6 18. Rh1 Ne5 19. Qf1 Nxd3+ 20. Kd2 Qf2 21. Kxd3 Qc5 22. Qf7 Rf8 23. Qxg7 Rf3+ 24. Kd2 Qe3+ 25. Ke1 Qxe4 26. Rxh6 Re3 27. Rh2 Qxc4 28. Qg5+ Kc7 29. Qxe3 Rf8 30. Rf2 Rg8 31. Qf4+ Qxf4 32. Rxf4 a5 33. Rb1 Ba6 34. g4 e5 35. Re4 Bd3 36. Rxb6 Bxe4 37. Rb5 d6 38. Rxa5 Rxg4 39. Ra4 d5 40. Rb4 Rg6 41. Kd2 Ra6 42. a4 Kc6 43. Ng3 Bg6 44. Nf1 Be8 45. Ne3 Kc5 46. Rb8 Bxa4 47. Rf8 Bd7 48. Nf5 Ra2+ 49. Ke1 0-1

[Event "Joinville open"]
[Site "Joinville"]
[Date "1977.05.??"]
[Round "3"]
[White "Ribeiro Neto, Joao B"]
[Black "Rocha, Joao Cesar Mattos"]
[Result "0-1"]
[ECO "A04"]
[PlyCount "136"]
[EventDate "1977.05.19"]
[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 f5 2. g3 Nf6 3. Bg2 e6 4. d3 Be7 5. Nc3 0-0 6. 0-0 Nc6 7. Re1 b6 8. e4 fxe4 9. Nxe4 Bb7 10. b3 Nxe4 11. dxe4 Bb4 12. Bd2 Qe7 13. c3 Ba3 14. b4 a5 15. b5 Na7 16. Qb3 Nc8 17. Rad1 Bc5 18. a4 Nd6 19. Nd4 Kh8 20. e5 Qf7 21. f4 Bxg2 22. Kxg2 Nf5 23. Nf3 Qg6 24. Bc1 Rfd8 25. Qc4 Rac8 26. Qe4 Kg8 27. Qb7 Ne7 28. Qe4 Nf5 29. Qb7 d5 30. exd6 Nxd6 31. Qc6 Qc2+ 32. Rd2 Qxc3 33. Bb2 Qb3 34. Be5 Bb4 35. Rb2 Qxa4 36. Bxd6 Rxd6 37. Qe4 Qxb5 38. Qb7 Qe8 39. Ree2 c5 40. Ne5 c4 41. Rbc2 c3 42. f5 Rc5 43. f6 gxf6 44. Nf3 Rf5 45. Qe4 Rxf3 46. Qxf3 Qc6 47. Re4 f5 48. Ree2 Qxf3+ 49. Kxf3 Kf7 50. g4 fxg4+ 51. Kxg4 b5 52. Kg5 a4 53. Rf2+ Kg7 54. Rg2 Rd5+ 55. Kf4+ Kf6 56. Ke4 Ba5 57. Rcf2+ Ke7 58. Rg7+ Kd6 59. Rc2 b4 60. Ra7 b3 61. Ra6+ Ke7 62. Ra7+ Rd7 63. Rxd7+ Kxd7 64. Rc1 c2 65. Kd3 a3 66. Rg1 a2 67. Ra1 c1Q 68. Rxc1 b2 0-1

[Event "Joinville open"]
[Site "Joinville"]
[Date "1977.05.??"]
[Round "6"]
[White "Rocha, Joao Cesar Mattos"]
[Black "Cardoso, Ruth"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "56"]
[EventDate "1977.05.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 d5 3. Bd3 e6 4. Nd2 c5 5. c3 Nbd7 6. f4 Be7 7. Ngf3 0-0 8. Ne5 Qc7 9. 0-0 a6 10. g4 g6 11. Rf2 b5 12. h4 Bb7 13. g5 Ne4 14. Rg2 f6 15. gxf6 Ndxf6 16. h5 Kg7 17. Qf3 Bd6 18. Qh3 cxd4 19. exd4 b4 20. Ndf3 bxc3 21. Ng5 Nxg5 22. Rxg5 cxb2 23. Bxb2 Ne4 24. hxg6 Nxg5 25. fxg5 Kh8 26. gxh7 Bxe5 27. Qxe6 Bg7 28. Qh3 Qf4 0-1

[Event "Joinville open"]
[Site "Joinville"]
[Date "1977.05.??"]
[Round "4"]
[White "Rocha, Joao Cesar Mattos"]
[Black "Hass, Johnny"]
[Result "1/2-1/2"]
[ECO "A45"]
[PlyCount "139"]
[EventDate "1977.05.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 e6 3. Bd3 c5 4. c3 Nc6 5. f4 b6 6. Nf3 Bb7 7. 0-0 Qc7 8. Nbd2 cxd4 9. cxd4 Nb4 10. Nb3 Nxd3 11. Qxd3 Be4 12. Qe2 Rc8 13. Bd2 Qb7 14. Rac1 Be7 15. Rxc8+ Qxc8 16. Rc1 Qb7 17. Be1 0-0 18. Nbd2 Bd5 19. b3 Rc8 20. Rxc8+ Qxc8 21. e4 Bb7 22. f5 Qc2 23. fxe6 dxe6 24. e5 Nd5 25. Qb5 Qc6 26. Qxc6 Bxc6 27. Nc4 Kf8 28. Nd6 Nc7 29. Nc8 Ba3 30. Bf2 Nb5 31. Nd2 Ke8 32. Nc4 Bb4 33. a4 Na3 34. Nxa7 Bd5 35. Nxb6 Bxb3 36. Nc6 Bc3 37. a5 Nc4 38. Nxc4 Bxc4 39. d5 Bxd5 40. Bd4 Bd2 41. Na7 Bxa5 42. Nb5 Kd7 43. Kf2 Bd8 44. Kg3 f6 45. Kf2 Kc6 46. Na3 Bb6 47. Bxb6 Kxb6 48. exf6 gxf6 49. Nc2 Kc5 50. Ne3 f5 51. g3 Kd4 52. Nc2+ Ke4 53. Ne3 Bb3 54. Nf1 Ba4 55. Nd2+ Kd5 56. Nb1 Kd4 57. Nd2 e5 58. Nf3+ Kd5 59. Ng5 h6 60. Nf7 h5 61. Ng5 Bd1 62. Ke3 Ba4 63. Nh3 Bd7 64. Nf2 Ke6 65. Nd3 Kf6 66. h4 Ba4 67. Nc5 Bd1 68. Nd7+ Ke6 69. Nf8+ Kd5 70. Nh7 1/2-1/2

[Event "Joinville open"]
[Site "Joinville"]
[Date "1977.05.??"]
[Round "1"]
[White "Rocha, Joao Cesar Mattos"]
[Black "Rocha, Antonio Cavilhas"]
[Result "0-1"]
[ECO "A45"]
[BlackElo "2365"]
[PlyCount "50"]
[EventDate "1977.05.19"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. e3 g6 3. Bd3 Bg7 4. Nd2 0-0 5. f4 d6 6. Ngf3 Nc6 7. c3 e5 8. 0-0 Qe7 9. Qc2 Bd7 10. f5 Rae8 11. e4 exd4 12. fxg6 hxg6 13. Nxd4 Ne5 14. Re1 Bh6 15. N4f3 Kg7 16. Nxe5 Qxe5 17. Nf3 Qc5+ 18. Kf1 Bxc1 19. Qxc1 Nxe4 20. Rxe4 Rxe4 21. Bxe4 Bb5+ 22. Ke1 Re8 23. Qf4 Bd3 24. Kd2 Rxe4 25. Qg5 Qf2+ 0-1

