[Event "BRA-ch Seniors"]
[Site "Rio de Janeiro"]
[Date "2007.07.??"]
[Round "4"]
[White "Cabral, Ronaldo Glicerio"]
[Black "Vieira, Joao Marcos"]
[Result "1-0"]
[ECO "C05"]
[PlyCount "59"]
[EventDate "2007.07.23"]
[EventType "swiss"]
[EventRounds "5"]
[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. Nd2 Nf6 4. e5 Nfd7 5. f4 c5 6. c3 Nc6 7. Ndf3 h6 8. Ne2 Qb6 9. g3 Be7 10. Bh3 Nf8 11. 0-0 Bd7 12. a3 Rc8 13. Kh1 Qc7 14. Be3 cxd4 15. Bxd4 Nxd4 16. Nexd4 Qb6 17. Qd2 Bc5 18. Rae1 Be7 19. f5 g6 20. fxe6 Nxe6 21. Rf2 0-0 22. Qxh6 Qd8 23. Bxe6 fxe6 24. Qxg6+ Kh8 25. Qh6+ Kg8 26. Nxe6 Bxe6 27. Qxe6+ Kh8 28. Ref1 Rc6 29. Qh3+ Kg8 30. Ng5 1-0

[Event "BRA-ch Seniors"]
[Site "Rio de Janeiro"]
[Date "2007.07.??"]
[Round "2"]
[White "Horta, Antonio Mauricio"]
[Black "Vieira, Joao Marcos"]
[Result "1-0"]
[ECO "A41"]
[PlyCount "71"]
[EventDate "2007.07.23"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d6 2. e4 g6 3. c4 Nd7 4. Nc3 c6 5. Be3 Bh6 6. Qd2 Bxe3 7. Qxe3 f6 8. Bd3 Nf8 9. Nge2 Ne6 10. 0-0 Ng7 11. d5 c5 12. h3 f5 13. e5 b6 14. exd6 Qxd6 15. Nb5 Qd7 16. Qe5 Kf7 17. Nc7 Rb8 18. Ne6 Nxe6 19. dxe6+ Qxe6 20. Qxb8 Nf6 21. Nf4 Qd7 22. Rad1 Qc6 23. Qe5 Rd8 24. Nd5 Nxd5 25. cxd5 Qd6 26. Qxd6 Rxd6 27. Rfe1 Bb7 28. Bc4 a6 29. Re6 b5 30. Rxd6 exd6 31. Be2 Kf6 32. Bf3 Bc8 33. Re1 Kf7 34. g4 f4 35. h4 h6 36. g5 1-0

[Event "BRA-ch Seniors"]
[Site "Rio de Janeiro"]
[Date "2007.07.??"]
[Round "5"]
[White "Vieira, Joao Marcos"]
[Black "Rovedo, Salomao"]
[Result "1-0"]
[ECO "A37"]
[BlackElo "1887"]
[PlyCount "89"]
[EventDate "2007.07.23"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. Nf3 g6 4. g3 Bg7 5. Bg2 Nh6 6. e3 0-0 7. 0-0 d6 8. d4 cxd4 9. exd4 Bg4 10. Be3 Nf5 11. Ne2 Nxe3 12. fxe3 Qd7 13. Nf4 Rad8 14. Qa4 Qc7 15. Rac1 Bd7 16. Qc2 e5 17. Nd5 Qc8 18. dxe5 dxe5 19. a3 Rfe8 20. b4 Ne7 21. e4 Bh6 22. Nf6+ Kg7 23. Nxe8+ Rxe8 24. Rcd1 f6 25. Qd3 Be6 26. c5 Nc6 27. Qc3 a6 28. Rd6 Kf7 29. Nxe5+ Nxe5 30. Qxe5 Bg7 31. Qf4 Kg8 32. Rfd1 f5 33. Qd2 Bf6 34. exf5 gxf5 35. Bd5 Kg7 36. Qf4 Bd7 37. Qf3 Bc6 38. Bxc6 bxc6 39. Rd7+ Kg6 40. Qb3 Re7 41. Rd8 Qc7 42. R1d6 Rf7 43. Qe6 Qe7 44. Kg2 Qxe6 45. Rxe6 1-0

[Event "BRA-ch Seniors"]
[Site "Rio de Janeiro"]
[Date "2007.07.??"]
[Round "3"]
[White "Vieira, Joao Marcos"]
[Black "Zoratto, Dante Leonardo"]
[Result "1/2-1/2"]
[ECO "A17"]
[PlyCount "56"]
[EventDate "2007.07.23"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e6 2. Nc3 Nf6 3. g3 c6 4. Bg2 b6 5. Nf3 Bb7 6. d4 d5 7. cxd5 cxd5 8. 0-0 Nc6 9. Bg5 Be7 10. e3 0-0 11. a3 Rc8 12. Rc1 Na5 13. Nd2 Ba6 14. Re1 Qd7 15. Qa4 Qxa4 16. Nxa4 Nc4 17. Nxc4 Bxc4 18. Nc3 h6 19. Bxf6 Bxf6 20. Bf1 b5 21. Nxb5 Bxb5 22. Bxb5 Rb8 23. a4 Rb6 24. Rc6 Rfb8 25. Rec1 g6 26. Rxb6 Rxb6 27. Rc6 Rxc6 28. Bxc6 Be7 1/2-1/2

[Event "BRA-ch Seniors"]
[Site "Rio de Janeiro"]
[Date "2006.08.04"]
[Round "5"]
[White "Chagas, Carlos Alberto"]
[Black "Vieira, Joao Marcos"]
[Result "0-1"]
[ECO "D00"]
[PlyCount "62"]
[EventDate "2006.07.31"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e3 e6 2. Nf3 Nf6 3. Nc3 d5 4. d4 Nbd7 5. Bd3 c5 6. Bd2 a6 7. b3 b5 8. a3 Bb7 9. 0-0 Bd6 10. Ne2 c4 11. bxc4 bxc4 12. Bxh7 Nxh7 13. Ng3 0-0 14. Bb4 Qe7 15. Ne5 Bxb4 16. Nxd7 Qxd7 17. axb4 Bc6 18. c3 Nf6 19. f3 Qc7 20. f4 a5 21. Qb1 axb4 22. cxb4 Ba4 23. f5 Bb3 24. Rxa8 Rxa8 25. fxe6 fxe6 26. Qg6 Qe7 27. Qg5 Ra7 28. Nh5 Nxh5 29. Qxe7 Rxe7 30. Ra1 Rb7 31. Ra8+ Kh7 0-1

[Event "BRA-ch Seniors"]
[Site "Rio de Janeiro"]
[Date "2006.08.03"]
[Round "4"]
[White "Vieira, Joao Marcos"]
[Black "Batista, Juvenal Pereira"]
[Result "0-1"]
[ECO "D46"]
[BlackElo "2071"]
[PlyCount "61"]
[EventDate "2006.07.31"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. e3 Nf6 3. c4 e6 4. Nf3 Be7 5. Nc3 c6 6. Bd3 Nbd7 7. 0-0 0-0 8. b3 Qc7 9. Bb2 Bd6 10. h3 dxc4 11. Bxc4 e5 12. Rc1 Qb8 13. Qc2 exd4 14. Nxd4 Ne5 15. Be2 Re8 16. Rfd1 Bf8 17. Bf1 a6 18. Nce2 Nd5 19. a3 g6 20. Ng3 Bg7 21. Be2 Kh8 22. Nf3 Nxf3+ 23. Bxf3 Be6 24. Bxg7+ Kxg7 25. Qb2+ Kg8 26. Rd2 f5 27. Rcd1 Nxe3 28. Nh5 gxh5 29. fxe3 Qc7 30. Qc3 Bf7 31. Qd4 0-1

[Event "BRA-ch Seniors"]
[Site "Rio de Janeiro"]
[Date "2006.08.02"]
[Round "3"]
[White "Vieira, Joao Marcos"]
[Black "Litrento, Oliveiros Lessa"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "1813"]
[PlyCount "48"]
[EventDate "2006.07.31"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. g3 d5 2. d4 Nf6 3. Bg2 e6 4. Nf3 Nc6 5. Nbd2 Bd6 6. 0-0 0-0 7. Re1 Re8 8. a3 Bd7 9. e4 dxe4 10. Nxe4 Nxe4 11. Rxe4 f5 12. Re1 Rc8 13. d5 exd5 14. Qxd5+ Kh8 15. Be3 Be6 16. Qb5 Rb8 17. Ng5 a6 18. Qe2 Bg8 19. Qh5 h6 20. Bxc6 bxc6 21. Bd4 Qxg5 22. Qxe8 Rxe8 23. Rxe8 Kh7 24. Rae1 Bd5 0-1

[Event "BRA-ch Seniors"]
[Site "Rio de Janeiro"]
[Date "2006.08.01"]
[Round "2"]
[White "Lima, Nelson Villaboim"]
[Black "Vieira, Joao Marcos"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2055"]
[PlyCount "45"]
[EventDate "2006.07.31"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. d4 d5 4. Nf3 Nbd7 5. e3 Be7 6. Be2 a6 7. a3 0-0 8. 0-0 dxc4 9. Bxc4 b5 10. Bd3 Bb7 11. e4 c5 12. d5 exd5 13. Nxd5 Bd6 14. Bb1 Re8 15. Bg5 Bxd5 16. exd5 Qc7 17. Qc2 g6 18. Ba2 c4 19. Rad1 Rac8 20. Rd4 Re7 21. Bb1 Rce8 22. Qc3 Kg7 23. Qe3 1/2-1/2

[Event "BRA-ch Seniors"]
[Site "Rio de Janeiro"]
[Date "2006.07.31"]
[Round "1"]
[White "Vieira, Joao Marcos"]
[Black "Caporale, Giuseppe Guido"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "1884"]
[PlyCount "61"]
[EventDate "2006.07.31"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. g3 d5 2. d4 Bf5 3. Bg2 e6 4. Nf3 Nd7 5. Nbd2 h6 6. c3 c6 7. Nh4 Bh7 8. e4 g5 9. Nhf3 dxe4 10. Ng1 f5 11. Qb3 Kf7 12. Qxb7 Qc8 13. Qxc8 Rxc8 14. Nb3 Bd6 15. f3 exf3 16. Nxf3 Ngf6 17. 0-0 Rhe8 18. Re1 c5 19. Be3 Ng4 20. Bd2 cxd4 21. Nfxd4 Nc5 22. Nb5 Bb8 23. Nxc5 Rxc5 24. Nd4 e5 25. Nc6 e4 26. Nxb8 Rxb8 27. b3 Rd8 28. Re2 Rcd5 29. Be1 Rd3 30. c4 Ne5 31. Rc1 0-1

[Event "BRA-ch Seniors"]
[Site "Rio de Janeiro"]
[Date "1999.??.??"]
[Round "?"]
[White "Litrento, Oliveiros Lessa"]
[Black "Vieira, Joao Marcos"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "2081"]
[PlyCount "62"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. d4 e6 2. c4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e3 a6 6. Nf3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. Bxf6 Bxf6 10. 0-0 0-0 11. Rc1 Nd7 12. Bb1 Rc8 13. Qc2 g6 14. e4 c5 15. Qd1 cxd4 16. Nxd4 b4 17. Nce2 a5 18. f4 Nc5 19. e5 Bg7 20. Qe1 Qb6 21. Kh1 Rfd8 22. Nb3 Bf8 23. Nxc5 Bxc5 24. Rd1 Bxg2+ 25. Kxg2 Qc6+ 26. Kh3 Qb5 27. Rxd8+ Rxd8 28. Ng3 h5 29. Ne4 Be7 30. Rg1 Kg7 31. Ng3 Kf8 1-0

[Event "BRA-ch Seniors"]
[Site "Rio de Janeiro"]
[Date "1999.??.??"]
[Round "?"]
[White "Simoes, Gilberto Machado"]
[Black "Vieira, Joao Marcos"]
[Result "1-0"]
[ECO "C02"]
[PlyCount "41"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Qc7 5. Nf3 Ne7 6. Be2 Ng6 7. h4 h5 8. Ng5 Nc6 9. Be3 cxd4 10. cxd4 Nb4 11. Na3 Nc6 12. Bxh5 Bxa3 13. bxa3 Qa5+ 14. Kf1 Qxa3 15. Qf3 Qd3+ 16. Kg1 Ncxe5 17. dxe5 Nxe5 18. Bxf7+ Ke7 19. Qg3 Qf5 20. Bc5+ Kd7 21. Bxe6+ 1-0

[Event "BRA-ch Seniors"]
[Site "Rio de Janeiro"]
[Date "1999.??.??"]
[Round "?"]
[White "Vieira, Joao Marcos"]
[Black "Bello, Rubens"]
[Result "1/2-1/2"]
[ECO "A23"]
[PlyCount "59"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[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 c6 4. Bg2 d5 5. cxd5 cxd5 6. Qb3 e4 7. d3 exd3 8. exd3 Qe7+ 9. Nge2 Be6 10. 0-0 Qb4 11. Qd1 Bc5 12. a3 Qa5 13. Bd2 Qb6 14. b4 Bd6 15. Rc1 0-0 16. Be3 Qa6 17. Ra1 b6 18. Nd4 Nbd7 19. h3 Rac8 20. Ncb5 Bb8 21. a4 Qb7 22. Qb3 a6 23. Nc3 Ne5 24. Nxe6 fxe6 25. Ne2 Rfe8 26. Nf4 Kh8 27. Rfc1 Rc6 28. Rxc6 Qxc6 29. Rc1 Qd6 30. Qc3 1/2-1/2

[Event "BRA-ch Seniors"]
[Site "Rio de Janeiro"]
[Date "1999.??.??"]
[Round "?"]
[White "Vieira, Joao Marcos"]
[Black "Chagas, Carlos Alberto"]
[Result "1-0"]
[ECO "A34"]
[PlyCount "97"]
[EventDate "1999.??.??"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2001"]
[Source "ChessBase"]
[SourceDate "2000.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2000.11.22"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nf6 3. Nf3 d6 4. g3 e6 5. Bg2 Be7 6. 0-0 0-0 7. e4 e5 8. h3 Be6 9. d3 Qa5 10. Bd2 Qa6 11. a3 b6 12. b4 Qc8 13. Kh2 cxb4 14. axb4 Na6 15. Qa4 Nb8 16. b5 Bd7 17. Be3 Ne8 18. Bxb6 a6 19. Be3 Nc7 20. Qb4 axb5 21. Rxa8 Nxa8 22. Nxb5 Qb7 23. Rb1 Na6 24. Qe1 Bxb5 25. Rxb5 Qd7 26. Qb1 N8c7 27. Rb7 Nc5 28. Bxc5 dxc5 29. Nxe5 Qd6 30. Nf3 Na6 31. Rb6 Qb8 32. Rxb8 Nxb8 33. Qb7 Bf6 34. e5 Bd8 35. Qxb8 Ba5 36. Qb5 Bb4 37. d4 f6 38. dxc5 Bc3 39. e6 Be5 40. e7 h5 41. exf8Q+ Kxf8 42. Nh4 g5 43. Nf5 h4 44. Qd7 hxg3+ 45. fxg3 Bd6 46. Qxd6+ Kf7 47. Qe7+ Kg6 48. Be4 g4 49. Qg7+ 1-0

