[Event "Manaus P10 Challenge 4th"]
[Site "Manaus"]
[Date "2023.12.14"]
[Round "9"]
[White "Barbosa, Celio Oliveira"]
[Black "Farias, Igor Borge Cardoso"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "1856"]
[BlackElo "2002"]
[PlyCount "95"]
[EventDate "2023.12.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB51_2023"]
[SourceDate "2023.12.20"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 b6 3. g3 Bb7 4. Nf3 e6 5. Bg2 d5 6. 0-0 Be7 7. Nc3 0-0 8. Ne5 Nbd7 9. cxd5 Nxd5 10. Nxd5 exd5 11. Nd3 Nf6 12. Bf4 Bd6 13. Rc1 Bxf4 14. Nxf4 Qd6 15. Qc2 c6 16. Nd3 Nd7 17. Rfe1 Rfe8 18. a3 Rac8 19. b4 Ba6 20. e3 Bxd3 21. Qxd3 b5 22. e4 a6 23. e5 Qg6 24. Qc3 Nb6 25. Bh3 Rc7 26. Rc2 Nc4 27. Rce2 Rce7 28. f4 Qh6 29. Bg4 g6 30. Qf3 f5 31. exf6 Nd2 32. Qc3 Rxe2 33. Rxe2 Rxe2 34. Bxe2 Nc4 35. Bxc4 dxc4 36. Qe3 Qf8 37. Qe6+ Qf7 38. Qxc6 h5 39. Kf2 c3 40. Ke3 c2 41. Kd2 Kh7 42. d5 Kh6 43. Kxc2 g5 44. Qe6 Qc7+ 45. Qc6 Qh7+ 46. Kb2 Qd3 47. f7+ Kg7 48. Qc3+ 1-0

[Event "Manaus P10 Challenge 4th"]
[Site "Manaus"]
[Date "2023.12.10"]
[Round "8"]
[White "E Souza, Andre H Montenegro"]
[Black "Barbosa, Celio Oliveira"]
[Result "0-1"]
[ECO "B47"]
[WhiteElo "1550"]
[BlackElo "1856"]
[PlyCount "64"]
[EventDate "2023.12.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB51_2023"]
[SourceDate "2023.12.20"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. a3 a6 7. Be2 Nf6 8. 0-0 b5 9. Nb3 Bb7 10. Bg5 Be7 11. Re1 Rc8 12. Rc1 Ne5 13. Bf1 Nfg4 14. Bf4 g5 15. Bg3 h5 16. Be2 Qb6 17. Qd4 Qxd4 18. Nxd4 h4 19. Bxe5 Nxe5 20. Nf3 Ng6 21. Nd2 Nf4 22. Bf3 f6 23. Ne2 Ng6 24. Nd4 Ne5 25. Be2 Kf7 26. c3 g4 27. Nc2 Bc5 28. Ne3 g3 29. Bf3 gxf2+ 30. Kxf2 Nd3+ 31. Ke2 Nxc1+ 32. Rxc1 Bd6 0-1

[Event "Manaus P10 Challenge 4th"]
[Site "Manaus"]
[Date "2023.12.09"]
[Round "6"]
[White "Barbosa, Celio Oliveira"]
[Black "De Souza, Etemberg Monteiro"]
[Result "0-1"]
[ECO "E60"]
[WhiteElo "1856"]
[BlackElo "1772"]
[PlyCount "97"]
[EventDate "2023.12.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB51_2023"]
[SourceDate "2023.12.20"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 c6 5. Nf3 Qa5+ 6. Bd2 Qa6 7. Qc2 d6 8. 0-0 Bf5 9. Qb3 Ne4 10. Be3 Nd7 11. Nbd2 0-0 12. Rfd1 Rab8 13. Nxe4 Bxe4 14. Bh3 Nf6 15. Ng5 d5 16. Nxe4 Nxe4 17. cxd5 Qxe2 18. Bf1 Qh5 19. dxc6 bxc6 20. Qc2 Nf6 21. Be2 Qh3 22. Rab1 Nd5 23. Qxc6 Nxe3 24. fxe3 Rbc8 25. Qe4 Bh6 26. Bg4 Bxe3+ 27. Kh1 Qh6 28. Bxc8 Rxc8 29. Re1 Bf2 30. Re2 Bxg3 31. Qxe7 Rc7 32. Qf6 Rc8 33. Rf1 Rf8 34. d5 Qh5 35. Qf3 Qxf3+ 36. Rxf3 Bd6 37. Rf6 Rd8 38. h4 Kg7 39. Ref2 Rd7 40. R6f3 Be5 41. h5 g5 42. Rd2 Kh6 43. d6 Kxh5 44. b4 Kg4 45. Kg2 f5 46. Rd5 Bf6 47. Rfd3 h5 48. b5 h4 49. a4 0-1

[Event "Manaus P10 Challenge 4th"]
[Site "Manaus"]
[Date "2023.12.09"]
[Round "7"]
[White "Bezerra, Fabiano de Oliveira"]
[Black "Barbosa, Celio Oliveira"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "1896"]
[BlackElo "1856"]
[PlyCount "74"]
[EventDate "2023.12.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB51_2023"]
[SourceDate "2023.12.20"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.20"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. g3 Nc6 4. Bg2 a6 5. d3 Qc7 6. Nge2 b5 7. Nf4 Bb7 8. 0-0 Nf6 9. h3 Bd6 10. Be3 Rc8 11. Qd2 h5 12. Nfe2 h4 13. Bf4 Nd4 14. Bxd6 Qxd6 15. e5 Qc7 16. Bxb7 Qxb7 17. Nxd4 cxd4 18. exf6 dxc3 19. fxg7 Rg8 20. bxc3 Qc7 21. g4 Qxc3 22. Qh6 Qxg7 23. Qxh4 Rxc2 24. Rac1 Qc3 25. Qh7 Rg6 26. Rxc2 Qxc2 27. Qh8+ Ke7 28. Qd4 Rg5 29. Qb4+ d6 30. Qa5 Qxd3 31. Qc7+ Kf6 32. Qd8+ Kg6 33. Qg8+ Kh6 34. Qf8+ Rg7 35. h4 Kh7 36. f3 Qe3+ 37. Kg2 Qf4 0-1

[Event "Manaus P10 Challenge 4th"]
[Site "Manaus"]
[Date "2023.12.07"]
[Round "5"]
[White "De Lima, Paulo Isaac Assis"]
[Black "Barbosa, Celio Oliveira"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1882"]
[BlackElo "1856"]
[PlyCount "74"]
[EventDate "2023.12.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB51_2023"]
[SourceDate "2023.12.20"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 c5 3. dxc5 Qa5+ 4. Nc3 Qxc5 5. e3 e6 6. Nf3 d5 7. Be2 Be7 8. Nb5 Na6 9. 0-0 Bd7 10. a4 0-0 11. c3 Bxb5 12. Bxb5 Nc7 13. Bd3 Nce8 14. Ne5 g6 15. g4 Rd8 16. Qf3 Nd7 17. Nxd7 Rxd7 18. Bb5 Rd8 19. Rfd1 a6 20. Be2 Nd6 21. Be5 Nc4 22. Bxc4 Qxc4 23. Bf4 Rd7 24. e4 dxe4 25. Qe3 Bc5 26. Qe1 Rd3 27. Rd2 Rfd8 28. Rad1 Rxd2 29. Rxd2 Rd3 30. a5 Qd5 31. Bh6 Bd6 32. Qd1 f5 33. Qa4 Qc6 34. Qb3 Kf7 35. Re2 Rh3 36. gxf5 gxf5 37. Be3 f4 0-1

[Event "Manaus P10 Challenge 4th"]
[Site "Manaus"]
[Date "2023.12.03"]
[Round "4"]
[White "Barbosa, Celio Oliveira"]
[Black "Mesquita, Eduardo Barbosa"]
[Result "0-1"]
[ECO "E05"]
[WhiteElo "1856"]
[BlackElo "1971"]
[PlyCount "77"]
[EventDate "2023.12.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB51_2023"]
[SourceDate "2023.12.20"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 0-0 6. 0-0 dxc4 7. Qc2 a6 8. Qxc4 b5 9. Qc2 Bb7 10. Bd2 Nbd7 11. Ba5 Nb6 12. Nbd2 Rc8 13. Rac1 c5 14. dxc5 Bxc5 15. Qb1 Nfd7 16. Ne4 Be7 17. Rfd1 Rxc1 18. Rxc1 Qa8 19. Neg5 g6 20. Nh3 Nc4 21. Bc3 Nf6 22. b3 Na3 23. Qb2 Ne4 24. Bd4 Rc8 25. Be3 b4 26. Bh6 Nc3 27. Be3 Bf6 28. Re1 e5 29. Bg5 Bg7 30. Be7 e4 31. Qd2 exf3 32. exf3 a5 33. Ng5 Bd5 34. Ne4 Nxe4 35. fxe4 Bc6 36. Qf4 Nc2 37. Rd1 Nd4 38. Qe3 Ne6 39. Qb6 0-1

[Event "Manaus P10 Challenge 4th"]
[Site "Manaus"]
[Date "2023.12.02"]
[Round "2"]
[White "Barbosa, Celio Oliveira"]
[Black "Samuel, Mauricio Antonio So"]
[Result "0-1"]
[ECO "A53"]
[WhiteElo "1856"]
[BlackElo "1684"]
[PlyCount "64"]
[EventDate "2023.12.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB51_2023"]
[SourceDate "2023.12.20"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.20"]
[SourceQuality "1"]

1. d4 d6 2. c4 Nf6 3. g3 c6 4. Bg2 d5 5. Nf3 dxc4 6. Ne5 Bf5 7. Nc3 e6 8. 0-0 Be7 9. Nxc4 0-0 10. Ne5 Qc7 11. e4 Bg6 12. Nxg6 hxg6 13. Bf4 Qa5 14. Qb3 Qb4 15. Qxb4 Bxb4 16. Rac1 Nbd7 17. Rfd1 Nh5 18. Be3 Nb6 19. a3 Bxc3 20. Rxc3 Nf6 21. Rdc1 Rad8 22. b3 Ng4 23. Rd1 Nxe3 24. Rxe3 Rd7 25. a4 a5 26. Red3 Rfd8 27. f4 f5 28. Kf2 fxe4 29. Bxe4 Kf7 30. Ke2 Nd5 31. Bxd5 Rxd5 32. Ke3 g5 0-1

[Event "Manaus P10 Challenge 4th"]
[Site "Manaus"]
[Date "2023.12.02"]
[Round "3"]
[White "Farias, Sergio Luiz Cardoso"]
[Black "Barbosa, Celio Oliveira"]
[Result "0-1"]
[ECO "B44"]
[WhiteElo "1465"]
[BlackElo "1856"]
[PlyCount "68"]
[EventDate "2023.12.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB51_2023"]
[SourceDate "2023.12.20"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nxc6 bxc6 6. Nc3 Qc7 7. g3 Bb7 8. Bg2 Ba6 9. Bf4 e5 10. Bg5 h6 11. Be3 Nf6 12. Ne2 Rb8 13. b3 Bb4+ 14. Bd2 Bc5 15. 0-0 d5 16. exd5 cxd5 17. Kh1 0-0 18. Be3 d4 19. Bc1 Rbd8 20. Bd2 Bb7 21. Ng1 Bxg2+ 22. Kxg2 Qc6+ 23. f3 Nd5 24. Qe2 Rfe8 25. Rae1 Bb6 26. Qc4 Qb7 27. Re4 Rc8 28. Qd3 Qc6 29. Rc1 f5 30. Rh4 e4 31. fxe4 fxe4 32. Qc4 Qb7 33. Qf1 Rf8 34. Bf4 Ne3+ 0-1

[Event "Manaus P10 Challenge 4th"]
[Site "Manaus"]
[Date "2023.12.01"]
[Round "1"]
[White "Barbosa, Celio Oliveira"]
[Black "De Oliveira, Victor Gabriel C"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "1856"]
[BlackElo "2139"]
[PlyCount "74"]
[EventDate "2023.12.01"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CB51_2023"]
[SourceDate "2023.12.20"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 Bb4+ 4. Bd2 a5 5. Bg2 0-0 6. a3 Bxd2+ 7. Nxd2 d5 8. Ngf3 Nbd7 9. Rc1 c6 10. 0-0 b6 11. Re1 Bb7 12. e4 dxe4 13. Nxe4 Nxe4 14. Rxe4 c5 15. Rh4 Ra7 16. Qd3 Nf6 17. Rd1 Bxf3 18. Bxf3 g5 19. Rh3 cxd4 20. Be4 Kg7 21. f4 g4 22. Rh4 h5 23. h3 Rh8 24. Bc6 Qd6 25. Bg2 e5 26. Rf1 e4 27. Bxe4 Re7 28. Bg2 Re3 29. Qf5 Rxg3 30. hxg4 Nxg4 31. Rf3 Qe7 32. Qg5+ Qxg5 33. fxg5 Rxf3 34. Bxf3 Ne5 35. Kf2 Rd8 36. Re4 Nxc4 37. Bxh5 Rd7 0-1

[Event "Manaus op 2nd"]
[Site "Manaus"]
[Date "2023.10.16"]
[Round "8"]
[White "Barbosa, Celio Oliveira"]
[Black "Lisboa, Erico Fagundes Anic"]
[Result "1-0"]
[ECO "E05"]
[WhiteElo "1871"]
[BlackElo "1604"]
[PlyCount "105"]
[EventDate "2023.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Be7 5. Nf3 0-0 6. 0-0 dxc4 7. Ne5 c5 8. dxc5 Bxc5 9. Qc2 a5 10. Qxc4 Na6 11. Nc3 Qd4 12. Qxd4 Bxd4 13. Nc4 Nc7 14. Bd2 Ra6 15. e3 Ba7 16. a4 Bb8 17. Nb5 b6 18. Bc3 Nfd5 19. Bd4 Bd7 20. Ncd6 Ne8 21. Nc4 Nec7 22. Nca3 Rc8 23. Rfc1 Ne8 24. Rxc8 Bxc8 25. Rc1 Bb7 26. Nc4 Nef6 27. Bxb6 Nd7 28. Bxa5 Nc5 29. Bb6 Nb3 30. Rd1 Rxa4 31. Nba3 h6 32. e4 Nxb6 33. Nxb6 Rd4 34. Rxd4 Nxd4 35. Kf1 e5 36. Ke1 f5 37. Nd7 Bd6 38. Nc4 Bb4+ 39. Kd1 Bc6 40. Ndxe5 Ba4+ 41. Kc1 fxe4 42. Bxe4 Bb5 43. Bd5+ Kh7 44. Nd3 Be7 45. Nce5 Ne2+ 46. Kd2 Nd4 47. f4 Bd6 48. Ke3 Nc2+ 49. Ke4 Be7 50. g4 Bd6 51. h4 Be7 52. g5 Bd6 53. g6+ 1-0

[Event "Manaus op 2nd"]
[Site "Manaus"]
[Date "2023.10.15"]
[Round "7"]
[White "Mesquita, Eduardo Barbosa"]
[Black "Barbosa, Celio Oliveira"]
[Result "1-0"]
[ECO "B48"]
[WhiteElo "1979"]
[BlackElo "1871"]
[PlyCount "35"]
[EventDate "2023.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Qc7 6. a3 a6 7. Be2 Nf6 8. Be3 Be7 9. Qd2 b5 10. f4 Nxd4 11. Qxd4 Bb7 12. g4 Rc8 13. g5 Bc5 14. Qxc5 Nxe4 15. Qxc7 Rxc7 16. Bf3 d5 17. Bxe4 dxe4 18. 0-0-0 1-0

[Event "Manaus op 2nd"]
[Site "Manaus"]
[Date "2023.10.14"]
[Round "6"]
[White "Barbosa, Celio Oliveira"]
[Black "Farias, Sergio Luiz Cardoso"]
[Result "1-0"]
[ECO "D78"]
[WhiteElo "1871"]
[BlackElo "1443"]
[PlyCount "118"]
[EventDate "2023.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 g6 4. Bg2 d5 5. Nf3 Bg7 6. 0-0 0-0 7. Nc3 c6 8. Bg5 h6 9. Bf4 Nbd7 10. cxd5 exd5 11. Rc1 Re8 12. Ne5 Nh5 13. e3 Nxe5 14. dxe5 Bxe5 15. Bxh6 Kh7 16. Bf4 Ng7 17. Bxe5 Rxe5 18. Qd4 Rh5 19. Ne2 Ne6 20. Qc3 Rh6 21. Rfd1 Qg5 22. h4 Qf5 23. Nd4 Nxd4 24. Qxd4 Be6 25. b3 Rh5 26. e4 Qe5 27. Qxe5 Rxe5 28. f4 Rh5 29. Bf3 Rh6 30. exd5 cxd5 31. Bxd5 Bg4 32. Re1 Rh5 33. Bxb7 Rd8 34. Be4 Ra5 35. Rc2 Kg7 36. Kf2 Ra6 37. Re3 Rad6 38. Rec3 Bd1 39. Rb2 Bg4 40. a4 Rd2+ 41. Rxd2 Rxd2+ 42. Ke3 Rb2 43. Kd4 Be6 44. Bc2 Ra2 45. Kc5 Ra1 46. b4 Re1 47. Bb3 Kf8 48. b5 Bc8 49. a5 Re7 50. Bd5 Ke8 51. Rd3 Re1 52. Bc6+ Ke7 53. Rc3 Kf8 54. a6 Re7 55. Rd3 Kg7 56. Rd8 Be6 57. Kd6 Kf6 58. Rb8 Bc4 59. Rb7 Re3 1-0

[Event "Manaus op 2nd"]
[Site "Manaus"]
[Date "2023.10.14"]
[Round "5"]
[White "Macedo, Yan Emanuel Porto"]
[Black "Barbosa, Celio Oliveira"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "1712"]
[BlackElo "1871"]
[PlyCount "65"]
[EventDate "2023.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Be2 c6 7. h3 Nh5 8. 0-0 Ng3 9. Re1 Nxe2+ 10. Rxe2 Qc7 11. e5 d5 12. g4 h6 13. Rg2 e6 14. Be3 Qe7 15. g5 h5 16. Ne2 Nd7 17. Ng3 Rd8 18. Nxh5 gxh5 19. Nh2 Nf8 20. Qxh5 Bd7 21. Ng4 Ng6 22. Nf6+ Kf8 23. Qh7 Qb4 24. c3 Qc4 25. Qg8+ Ke7 26. Qxg7 Rf8 27. Bc1 c5 28. Nxd7 Kxd7 29. f5 exf5 30. e6+ Kc7 31. e7 Nxe7 32. Qe5+ Kd7 33. Bf4 1-0

[Event "Manaus op 2nd"]
[Site "Manaus"]
[Date "2023.10.13"]
[Round "4"]
[White "Barbosa, Celio Oliveira"]
[Black "Cardoso, Manuel Augusto Pint"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1871"]
[BlackElo "1793"]
[PlyCount "46"]
[EventDate "2023.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. g3 Bf5 4. Bg2 e6 5. c3 Bd6 6. Nbd2 Nbd7 7. 0-0 0-0 8. Re1 c6 9. Qb3 Qc7 10. Nh4 Rfe8 11. Nf1 Bg6 12. Nxg6 hxg6 13. Nd2 e5 14. e3 exd4 15. exd4 Re7 16. Nf3 Ne4 17. Bd2 a5 18. a4 Ndf6 19. Rac1 g5 20. Re2 Qd7 21. Be1 g6 22. Nd2 Kg7 23. Nxe4 dxe4 1/2-1/2

[Event "Manaus op 2nd"]
[Site "Manaus"]
[Date "2023.10.12"]
[Round "2"]
[White "Barbosa, Celio Oliveira"]
[Black "Sunye Neto, Jaime"]
[Result "0-1"]
[ECO "E18"]
[WhiteElo "1871"]
[BlackElo "2401"]
[PlyCount "76"]
[EventDate "2023.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Nc3 d5 8. Ne5 Na6 9. Bg5 h6 10. Be3 c6 11. Rc1 Bd6 12. cxd5 exd5 13. f4 Qe7 14. Bf2 Rfd8 15. e3 c5 16. Re1 Ne4 17. Qa4 Bxe5 18. Nxe4 dxe4 19. dxe5 Nb4 20. Red1 Bc6 21. Qb3 Nd3 22. Rc3 Bd5 23. Qa3 b5 24. Qa5 b4 25. Rcxd3 exd3 26. Bxd5 Rxd5 27. e4 Qd8 28. Qb5 Rd4 29. Qxc5 Rxe4 30. Qc6 Re2 31. Qf3 Rxb2 32. Rxd3 Qe8 33. Qd5 Rc8 34. f5 Rc1+ 35. Kg2 Rcc2 36. Rf3 Re2 37. e6 fxe6 38. fxe6 Qxe6 0-1

[Event "Manaus op 2nd"]
[Site "Manaus"]
[Date "2023.10.12"]
[Round "3"]
[White "Veiga, Ana Eduarda De Aqui"]
[Black "Barbosa, Celio Oliveira"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1386"]
[BlackElo "1871"]
[PlyCount "105"]
[EventDate "2023.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Bc4 Nc6 4. Nc3 a6 5. a3 Qc7 6. d3 Nf6 7. h3 Be7 8. Bg5 b5 9. Bb3 Bb7 10. Qd2 Na5 11. 0-0 Rc8 12. Rac1 h6 13. Bh4 Qd8 14. Ne2 Nxb3 15. cxb3 d6 16. Rc2 0-0 17. Rfc1 Qd7 18. Qe3 Rc7 19. b4 Rfc8 20. bxc5 Rxc5 21. Rxc5 Rxc5 22. Rxc5 dxc5 23. Nc3 Qc7 24. d4 c4 25. e5 Nd5 26. Nxd5 Bxd5 27. Bxe7 Qxe7 28. Ne1 Qb7 29. f3 Qb6 30. Nc2 a5 31. Qc3 Kf8 32. Kf1 Ke7 33. Ke1 f6 34. exf6+ gxf6 35. Kd2 Qc7 36. Qe3 Qg3 37. Qe2 Qg5+ 38. Kc3 Kd7 39. Ne3 Kd6 40. Nxd5 exd5 41. b4 Qc1+ 42. Qc2 Qxa3+ 43. Kd2 Qxb4+ 44. Qc3 Qxc3+ 45. Kxc3 b4+ 46. Kb2 a4 47. g4 Ke6 48. f4 f5 49. g5 hxg5 50. fxg5 f4 51. h4 Kf5 52. Ka2 f3 53. Kb2 0-1

[Event "Manaus op 2nd"]
[Site "Manaus"]
[Date "2023.10.11"]
[Round "1"]
[White "De Almeida Neto, Geraldo Walter"]
[Black "Barbosa, Celio Oliveira"]
[Result "0-1"]
[ECO "E60"]
[WhiteElo "1800"]
[BlackElo "1871"]
[PlyCount "76"]
[EventDate "2023.10.11"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 d6 5. Bg2 c6 6. Nbd2 0-0 7. 0-0 Na6 8. b3 Bg4 9. h3 Bd7 10. Bb2 c5 11. d5 b5 12. Re1 Rb8 13. Rb1 bxc4 14. Nxc4 Bf5 15. Rc1 Bh6 16. e3 Be4 17. Nh4 Bxg2 18. Kxg2 Nc7 19. Bxf6 exf6 20. Qd3 Qd7 21. Rcd1 Na6 22. a3 Rfe8 23. e4 Nc7 24. a4 Na6 25. f4 Nb4 26. Qf3 Nc2 27. Qd3 Nxe1+ 28. Rxe1 Rb4 29. e5 fxe5 30. fxe5 dxe5 31. Nxe5 Qb7 32. Nhf3 Rxb3 33. Qc4 Rb2+ 34. Kf1 Qb4 35. Qxb4 Rxb4 36. d6 Rb7 37. Rd1 f6 38. Nc6 Rd7 0-1

[Event "Manaus Amazonense Cup"]
[Site "Manaus"]
[Date "2022.12.10"]
[Round "5"]
[White "Pereira, Guilherme Fernando"]
[Black "Barbosa, Celio Oliveira"]
[Result "0-1"]
[ECO "E97"]
[WhiteElo "1169"]
[BlackElo "1931"]
[PlyCount "74"]
[EventDate "2022.12.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. Be3 Ng4 9. Bg5 Qe8 10. Nd5 Qd7 11. h3 f6 12. hxg4 fxg5 13. Nxg5 Nxd4 14. Nf3 Ne6 15. Rc1 Nf4 16. c5 Nxe2+ 17. Qxe2 c6 18. Ne3 d5 19. exd5 cxd5 20. Rfd1 d4 21. Nh2 Qc6 22. Nc2 Qe6 23. a3 Bd7 24. Re1 Rae8 25. b4 Qd5 26. Red1 Bc6 27. f3 a6 28. Ne3 Qb3 29. Qc4+ Qxc4 30. Nxc4 Bh6 31. Rb1 Ba4 32. Re1 Bg7 33. Nf1 Bc2 34. Rb2 d3 35. Nce3 e4 36. Ra2 exf3 37. gxf3 Bb3 0-1

[Event "Manaus Amazonense Cup"]
[Site "Manaus"]
[Date "2022.12.10"]
[Round "6"]
[White "Pinto, Pedro Jorge de Mora"]
[Black "Barbosa, Celio Oliveira"]
[Result "1-0"]
[ECO "A01"]
[WhiteElo "1948"]
[BlackElo "1931"]
[PlyCount "53"]
[EventDate "2022.12.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 g6 3. g4 Bg7 4. g5 Nh5 5. Bxg7 Nxg7 6. d4 d5 7. Qd2 c6 8. h4 Bf5 9. Nc3 Nd7 10. Bh3 e5 11. 0-0-0 Qe7 12. Bxf5 Nxf5 13. dxe5 Nxe5 14. e4 Qa3+ 15. Kb1 Nd6 16. exd5 0-0-0 17. Qc1 Qb4 18. Nge2 Ne4 19. Qe3 Nxc3+ 20. Qxc3 Qe4 21. Ng3 Qf4 22. Rd4 Qf3 23. Qxf3 Nxf3 24. Rf4 Ne5 25. dxc6 bxc6 26. Re1 Rhe8 27. Rfe4 1-0

[Event "Manaus Amazonense Cup"]
[Site "Manaus"]
[Date "2022.12.04"]
[Round "4"]
[White "Barbosa, Celio Oliveira"]
[Black "Da Silva, Vitoria Aparecida V"]
[Result "0-1"]
[ECO "A57"]
[WhiteElo "1931"]
[BlackElo "1520"]
[PlyCount "66"]
[EventDate "2022.12.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 b5 4. cxb5 a6 5. b6 Qxb6 6. Nc3 g6 7. g3 Bg7 8. Bg2 d6 9. Nf3 0-0 10. 0-0 a5 11. Nd2 Ba6 12. Qb3 Qc7 13. Nb5 Bxb5 14. Qxb5 Nbd7 15. a3 Rfb8 16. Qd3 Ne5 17. Qc2 Rc8 18. f4 Ned7 19. Nc4 Nb6 20. Rd1 Nxc4 21. Qxc4 Nd7 22. Rb1 Nb6 23. Qe4 c4 24. Be3 Na4 25. Qc2 Qd7 26. Bd4 Rab8 27. Bxg7 Kxg7 28. Rd4 Qb5 29. e3 Qb3 30. Qxb3 Rxb3 31. Bf1 Nb6 32. Rc1 Rxb2 33. Rc3 Rb3 0-1

[Event "Manaus Amazonense Cup"]
[Site "Manaus"]
[Date "2022.12.03"]
[Round "1"]
[White "Barbosa, Celio Oliveira"]
[Black "Da Silva, Paulo Cesar Ferreir"]
[Result "1/2-1/2"]
[ECO "E50"]
[WhiteElo "1931"]
[BlackElo "1477"]
[PlyCount "36"]
[EventDate "2022.12.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 0-0 5. Nf3 d5 6. Be2 c5 7. cxd5 Nxd5 8. Bd2 Nc6 9. Nxd5 Bxd2+ 10. Qxd2 Qxd5 11. dxc5 Qxc5 12. Rc1 Qe7 13. a3 Rd8 14. Qc2 Bd7 15. 0-0 Rac8 16. Qc4 Qf6 17. Qc3 Qh6 18. Rfd1 Be8 1/2-1/2

[Event "Manaus Amazonense Cup"]
[Site "Manaus"]
[Date "2022.12.03"]
[Round "2"]
[White "Da Silva, Mikhail Zoltan Iwan"]
[Black "Barbosa, Celio Oliveira"]
[Result "1-0"]
[ECO "B09"]
[WhiteElo "2035"]
[BlackElo "1931"]
[PlyCount "85"]
[EventDate "2022.12.03"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Bc4 c6 7. h3 b5 8. Bd3 Bb7 9. a3 Qb6 10. Be3 a5 11. 0-0 Nbd7 12. Qd2 Qc7 13. e5 b4 14. Ne4 Nxe4 15. Bxe4 c5 16. Bxb7 Qxb7 17. c3 dxe5 18. dxe5 Rad8 19. Qf2 bxc3 20. bxc3 Qc6 21. Rfb1 Rb8 22. Qe2 Qe4 23. Rd1 Qc6 24. Rab1 Rfd8 25. Qc4 Rdc8 26. Ng5 e6 27. Rxb8 Rxb8 28. Rd6 Rb1+ 29. Kh2 Qb7 30. Qe4 h6 31. Qxb7 Rxb7 32. Ne4 Nxe5 33. Rd8+ Kh7 34. fxe5 Bxe5+ 35. Kg1 Rb1+ 36. Kf2 f5 37. Rd7+ Kg8 38. Nxc5 Rb2+ 39. Rd2 Bxc3 40. Rxb2 Bxb2 41. a4 g5 42. Nxe6 Kf7 43. Nd8+ 1-0

[Event "Manaus Aquecimento op"]
[Site "Manaus"]
[Date "2022.08.07"]
[Round "5"]
[White "Barbosa, Celio Oliveira"]
[Black "Mesquita, Eduardo Barbosa"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1993"]
[BlackElo "1681"]
[PlyCount "58"]
[EventDate "2022.08.05"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c3 e6 4. Nbd2 b6 5. Qc2 Bb7 6. e3 Nbd7 7. Bd3 c5 8. 0-0 Qc7 9. Re1 Be7 10. Qd1 Ne4 11. Qe2 0-0 12. Nf1 f5 13. N3d2 e5 14. Nf3 Nxf2 15. Qxf2 e4 16. Be2 exf3 17. Bxf3 Nf6 18. Qg3 Bd6 19. Qh3 Ne4 20. Nd2 Rf6 21. Nf1 Rh6 22. Bh5 g6 23. g4 fxg4 24. Qxg4 Rxh5 25. Qe6+ Qf7 26. Qxf7+ Kxf7 27. Re2 Ba6 28. Rg2 Bxf1 29. Kxf1 Rxh2 0-1

[Event "Manaus Aquecimento op"]
[Site "Manaus"]
[Date "2022.08.07"]
[Round "4"]
[White "De Oliveira, Glaucia Nadine Nasc"]
[Black "Barbosa, Celio Oliveira"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "1993"]
[PlyCount "92"]
[EventDate "2022.08.05"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 e6 4. e3 Be7 5. Bd3 0-0 6. Nbd2 c5 7. c3 Nc6 8. Rc1 Bd7 9. Bb1 cxd4 10. exd4 Ne8 11. Qc2 f5 12. 0-0 Nf6 13. Bg5 Ne4 14. Bxe7 Qxe7 15. a3 Qf6 16. h4 Rac8 17. Qd3 Be8 18. Qe3 h6 19. Qf4 Bh5 20. Bxe4 fxe4 21. Qxf6 Rxf6 22. Nh2 Be2 23. Rfe1 Bd3 24. f3 e3 25. Rxe3 Nxd4 26. cxd4 Rxc1+ 27. Kf2 Bf5 28. Nb3 Rc2+ 29. Re2 Rf7 30. Nc5 Rxe2+ 31. Kxe2 b6 32. Nb3 Rc7 33. Nf1 Rc2+ 34. Nfd2 Rxb2 35. g4 Bg6 36. h5 Bc2 37. Nc1 Ba4 38. Ke3 Rc2 39. Ne2 Bb5 40. Ng3 Rc3+ 41. Kf4 Rd3 42. Ndf1 Rxd4+ 43. Ke5 Rd3 44. f4 Rf3 45. Kxe6 Bxf1 46. Nf5 Bd3 0-1

[Event "Manaus Aquecimento op"]
[Site "Manaus"]
[Date "2022.08.06"]
[Round "3"]
[White "Barbosa, Celio Oliveira"]
[Black "Teixeira, Vitor Hugo Santos"]
[Result "0-1"]
[ECO "D78"]
[WhiteElo "1993"]
[PlyCount "68"]
[EventDate "2022.08.05"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. g3 Bg7 4. Bg2 d5 5. Nc3 dxc4 6. Qa4+ c6 7. Qxc4 0-0 8. Nf3 Nbd7 9. 0-0 Nb6 10. Qb3 Nbd5 11. Re1 Nxc3 12. bxc3 c5 13. Ba3 cxd4 14. cxd4 Rb8 15. e4 b5 16. Bc5 a6 17. Ne5 Bb7 18. Rad1 Nd7 19. Bh3 Bxe5 20. Bxd7 Qxd7 21. dxe5 Qc7 22. Qa3 Rfe8 23. Qe3 Bxe4 24. Rc1 Bc6 25. h4 Qd7 26. e6 Qxe6 27. Qxe6 fxe6 28. Rxe6 Bd5 29. Rxa6 Ra8 30. Rxa8 Rxa8 31. a3 Kf7 32. f4 Rc8 33. Kf2 Rc6 34. Rc3 Bc4 0-1

[Event "Manaus Aquecimento op"]
[Site "Manaus"]
[Date "2022.08.06"]
[Round "2"]
[White "Samuel, Mauricio Antonio So"]
[Black "Barbosa, Celio Oliveira"]
[Result "0-1"]
[ECO "D45"]
[BlackElo "1993"]
[PlyCount "92"]
[EventDate "2022.08.05"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nc3 c6 4. e3 e6 5. Nf3 Bd6 6. Bd3 0-0 7. 0-0 dxc4 8. Bxc4 b5 9. Bd3 Bb7 10. Ne4 Nxe4 11. Bxe4 Qe7 12. Bd2 Nd7 13. Rc1 Rac8 14. a3 Nf6 15. Bb1 c5 16. dxc5 Bxc5 17. Bc3 Rfd8 18. Qe2 a6 19. e4 b4 20. axb4 Bxb4 21. Bxb4 Qxb4 22. Rxc8 Rxc8 23. e5 Ng4 24. h3 Nh6 25. Ng5 Qf4 26. Bxh7+ Kh8 27. Be4 Bxe4 28. Nxe4 Qxe5 29. Qxa6 Rb8 30. Qd6 Qxd6 31. Nxd6 Rxb2 32. g4 Rd2 33. Ne4 Rd4 34. f3 Kh7 35. Kf2 Kg6 36. Ke3 Rb4 37. h4 f5 38. h5+ Kh7 39. g5 Ng4+ 40. fxg4 Rxe4+ 41. Kf3 Rxg4 42. g6+ Kh6 43. Rh1 Kg5 44. h6 gxh6 45. g7 Kf6 46. Rxh6+ Kf7 0-1

[Event "Manaus Aquecimento op"]
[Site "Manaus"]
[Date "2022.08.05"]
[Round "1"]
[White "Barbosa, Celio Oliveira"]
[Black "De Oliveira, Leticia Mota"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1993"]
[PlyCount "55"]
[EventDate "2022.08.05"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. g3 d5 3. Bg2 c6 4. c3 Bf5 5. Nd2 Nbd7 6. Ngf3 Ne4 7. Qb3 Qc7 8. Nh4 e6 9. Nxe4 dxe4 10. Nxf5 exf5 11. Bf4 Qc8 12. 0-0 Be7 13. Rad1 0-0 14. d5 Nc5 15. Qc2 Rd8 16. b4 Nd7 17. d6 Bf6 18. f3 e3 19. Bxe3 Ne5 20. c4 b5 21. c5 Rd7 22. Qxf5 Qb7 23. Bh3 Rad8 24. Bd4 Nc4 25. Bxf6 Ne3 26. Qg5 g6 27. Qh6 Nxd1 28. Qg7# 1-0

[Event "Manaus Serious 2nd"]
[Site "Manaus"]
[Date "2014.05.04"]
[Round "9"]
[White "Reis, Renan do Carmo"]
[Black "Barbosa, Celio Oliveira"]
[Result "1-0"]
[ECO "C96"]
[WhiteElo "2242"]
[BlackElo "2038"]
[PlyCount "79"]
[EventDate "2014.04.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[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. c3 d6 9. h3 Na5 10. Bc2 c5 11. d4 cxd4 12. cxd4 Qc7 13. Nc3 Bd7 14. Bg5 Bc6 15. Rc1 Rac8 16. Nd5 Qd8 17. Nxe7+ Qxe7 18. d5 Bd7 19. b3 h6 20. Bd2 Nb7 21. b4 Rc4 22. Bd3 Rxc1 23. Bxc1 Rc8 24. Qe2 Rc7 25. Be3 Qe8 26. a4 Rc3 27. Bd2 Rc7 28. Ra1 Kh8 29. Nh2 Ng8 30. Nf1 Ne7 31. Be3 f6 32. Bb6 Rc3 33. axb5 axb5 34. Ra7 Nd8 35. Bxd8 Qxd8 36. Bxb5 Bxb5 37. Qxb5 Nc8 38. Rd7 Qe8 39. Qb7 Qg6 40. Rd8+ 1-0

[Event "Manaus Serious 2nd"]
[Site "Manaus"]
[Date "2014.05.03"]
[Round "8"]
[White "Barbosa, Celio Oliveira"]
[Black "De Oliveira, Victor Gabriel C"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "2038"]
[BlackElo "2045"]
[PlyCount "64"]
[EventDate "2014.04.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Bf5 4. d3 e6 5. 0-0 Bd6 6. c3 Nbd7 7. Re1 0-0 8. Nbd2 c6 9. e4 dxe4 10. dxe4 Bg4 11. h3 Bxf3 12. Nxf3 Bc5 13. Qc2 Qc7 14. b3 Qxg3 15. b4 Bb6 16. Be3 Qc7 17. c4 Bxe3 18. Rxe3 Ne5 19. Nd2 Rad8 20. f4 Rxd2 21. Qc3 Nxc4 22. Qxc4 Qxf4 23. Rf3 Qxe4 24. Qxe4 Nxe4 25. Ra3 Nd6 26. Rxa7 f5 27. Re1 Rf6 28. Bf3 Rg6+ 29. Kf1 Rg3 30. Be2 Rxh3 31. Kg2 Re3 32. Kf2 f4 0-1

[Event "Manaus Serious 2nd"]
[Site "Manaus"]
[Date "2014.05.01"]
[Round "7"]
[White "Rodolpho Filho, Joao"]
[Black "Barbosa, Celio Oliveira"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1516"]
[BlackElo "2038"]
[PlyCount "90"]
[EventDate "2014.04.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 c6 7. a3 Nbd7 8. b4 Qc7 9. Bb2 e5 10. dxe5 Nxe5 11. Nxe5 dxe5 12. Bf3 Rd8 13. Qe2 Be6 14. Rfd1 Nd7 15. Bg4 Nf8 16. Rxd8 Rxd8 17. Rd1 Bxg4 18. Qxg4 Ne6 19. Rxd8+ Qxd8 20. Qd1 Qd4 21. Qxd4 Nxd4 22. Kf1 Nxc2 23. Ke2 Nd4+ 24. Kd3 Kf8 25. a4 Ke7 26. Ne2 Ne6 27. h4 Kd6 28. Ba3 b6 29. g3 Kc7 30. Kc2 Bf8 31. Kb3 c5 32. Kc4 cxb4 33. Bxb4 Bc5 34. Bxc5 Nxc5 35. Nc3 Kc6 36. f3 Nxa4 37. Nd5 Nc5 38. g4 Ne6 39. g5 b5+ 40. Kb4 Nf4 41. Nf6 a6 42. Nxh7 Nh5 43. Nf8 Nf4 44. Nh7 Ng2 45. Nf6 Nxh4 0-1

[Event "Manaus Serious 2nd"]
[Site "Manaus"]
[Date "2014.04.27"]
[Round "6"]
[White "Barbosa, Celio Oliveira"]
[Black "Presa, Luis Alberto Passos"]
[Result "1-0"]
[ECO "A31"]
[WhiteElo "2038"]
[BlackElo "1670"]
[PlyCount "125"]
[EventDate "2014.04.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. g3 d6 4. Bg2 g6 5. 0-0 Bg7 6. Nc3 Nc6 7. d4 cxd4 8. Nxd4 Bd7 9. Bg5 0-0 10. Nb3 b6 11. Nd4 Nxd4 12. Qxd4 Rc8 13. Qd3 Bc6 14. f3 Qd7 15. Rad1 Qb7 16. e4 Rfe8 17. b3 Nd7 18. Qd2 Nc5 19. Bh6 a6 20. Bxg7 Kxg7 21. Ne2 Ne6 22. Bh3 Rcd8 23. Qe3 Bd7 24. Nc3 Nc5 25. Bg2 b5 26. cxb5 axb5 27. e5 Qb6 28. Nd5 Qb8 29. exd6 Qxd6 30. Rfe1 Bc6 31. Nc3 Nd3 32. Re2 b4 33. Ne4 Qd4 34. Qxd4+ Rxd4 35. Red2 Red8 36. Nc5 Nf4 37. Rxd4 Rxd4 38. Rxd4 Ne2+ 39. Kf2 Nxd4 40. Nd3 Kf6 41. Nxb4 Bd7 42. Ke3 e5 43. Nd3 Nf5+ 44. Kd2 Bc6 45. Nc5 Ke7 46. b4 Nd4 47. Nd3 Kd6 48. Ne1 f5 49. Kc3 Nb5+ 50. Kb2 Nd4 51. f4 e4 52. Nc2 Ne6 53. Kc3 Nc7 54. Ne3 Nb5+ 55. Kb3 Nd4+ 56. Kc4 Nb5 57. a4 Nc7 58. b5 Bd7 59. Kb4 h6 60. Bf1 g5 61. b6 Ne8 62. Nc4+ Kc6 63. Ne5+ 1-0

[Event "Manaus Serious 2nd"]
[Site "Manaus"]
[Date "2014.04.26"]
[Round "5"]
[White "Da Paz, Leonardo Gadelha"]
[Black "Barbosa, Celio Oliveira"]
[Result "1-0"]
[ECO "D16"]
[WhiteElo "2005"]
[BlackElo "2038"]
[PlyCount "65"]
[EventDate "2014.04.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 dxc4 5. a4 Bf5 6. e3 Na6 7. Bxc4 Nb4 8. 0-0 e6 9. Qe2 Be7 10. e4 Bg4 11. Be3 0-0 12. Rfc1 Rc8 13. Rd1 Qa5 14. h3 Bh5 15. Bf4 Bg6 16. Ne5 Rfd8 17. Rac1 Nh5 18. Be3 Nf6 19. Bf4 a6 20. g4 b5 21. Bb3 c5 22. dxc5 Bxc5 23. h4 bxa4 24. Nc4 Bxf2+ 25. Qxf2 Rxd1+ 26. Rxd1 Nxg4 27. Nxa5 Nxf2 28. Kxf2 axb3 29. Nxb3 h6 30. Rd6 Nc6 31. Ke3 Nb4 32. Rb6 Rc4 33. Nd2 1-0

[Event "Manaus Serious 2nd"]
[Site "Manaus"]
[Date "2014.04.21"]
[Round "4"]
[White "Barbosa, Celio Oliveira"]
[Black "Gutierrez, Enrique Alberto Sot"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2038"]
[BlackElo "1861"]
[PlyCount "114"]
[EventDate "2014.04.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. 0-0 c5 5. c3 Bd6 6. d3 Nc6 7. Re1 0-0 8. Nbd2 e5 9. e4 d4 10. Nc4 Bc7 11. a4 Re8 12. cxd4 cxd4 13. Bd2 a5 14. Rc1 Rb8 15. Na3 Bd6 16. Nb5 Bb4 17. Re2 h6 18. Ne1 Bg4 19. f3 Be6 20. Bxb4 axb4 21. Qd2 Qe7 22. f4 Rec8 23. Nf3 Bg4 24. Ree1 Nd7 25. h3 Bxf3 26. Bxf3 b3 27. Bg4 Rd8 28. Bxd7 Rxd7 29. Rc4 f6 30. Rec1 Ra8 31. f5 Kh7 32. Qe1 Qf7 33. Qd2 g6 34. Qf2 g5 35. Qd2 Qh5 36. Kg2 Kg7 37. Na3 Qf7 38. Nb1 h5 39. Qd1 Na5 40. Rc5 b6 41. Rb5 Rc7 42. Nd2 Rac8 43. Rxc7 Rxc7 44. Nxb3 Nxb3 45. Rxb3 h4 46. g4 Qe7 47. Kf2 Qc5 48. Kg1 Qc6 49. Rb4 Qd7 50. b3 Rc3 51. Rc4 Qd6 52. Qd2 Rxc4 53. bxc4 Qa3 54. Kf2 Qxa4 55. Ke2 Qb3 56. Qd1 Qb2+ 57. Qd2 Qb3 1/2-1/2

[Event "Manaus Serious 2nd"]
[Site "Manaus"]
[Date "2014.04.20"]
[Round "3"]
[White "Farias, Sergio Luiz Cardoso"]
[Black "Barbosa, Celio Oliveira"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1585"]
[BlackElo "2038"]
[PlyCount "73"]
[EventDate "2014.04.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. e4 d6 2. Nf3 Nf6 3. d4 Nxe4 4. Bc4 d5 5. Bb5+ c6 6. Be2 Nd7 7. 0-0 g6 8. Re1 Bg7 9. Bd3 Ndf6 10. Nbd2 Nxd2 11. Bxd2 0-0 12. c3 Re8 13. h3 Qc7 14. Ne5 Be6 15. Bf4 Qc8 16. Re3 Bf5 17. Be2 Nd7 18. g4 Be6 19. Nf3 Nf8 20. Ng5 Bd7 21. Nf3 f6 22. Nh2 e5 23. dxe5 fxe5 24. Bg3 e4 25. f3 exf3 26. Rxf3 Ne6 27. Qd2 Nc5 28. Bd3 Ne4 29. Bxe4 Rxe4 30. Raf1 Qe8 31. Bd6 Qe6 32. Bc5 b6 33. Bd4 Bxd4+ 34. cxd4 Re2 35. Qh6 Qd6 36. Rf4 Re4 37. Rf7 1-0

[Event "Manaus Serious 2nd"]
[Site "Manaus"]
[Date "2014.04.19"]
[Round "2"]
[White "Barbosa, Celio Oliveira"]
[Black "Farias, Igor Borge Cardoso"]
[Result "1/2-1/2"]
[ECO "E87"]
[WhiteElo "2038"]
[BlackElo "1682"]
[PlyCount "103"]
[EventDate "2014.04.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 a5 8. Nge2 Na6 9. Nc1 Nh5 10. Qd2 Bd7 11. Nd3 f5 12. Be2 Nf6 13. exf5 Bxf5 14. 0-0 Qe8 15. Nf2 b6 16. Nfe4 Qe7 17. Bd3 Nxe4 18. Nxe4 Bxe4 19. fxe4 Rxf1+ 20. Rxf1 Rf8 21. Qe2 Rxf1+ 22. Qxf1 Qh4 23. g3 Qg4 24. Kg2 Nc5 25. h3 Qd7 26. Bb1 Qa4 27. b3 Qd7 28. a3 Na6 29. Bc2 Qf7 30. Qe2 h5 31. Bg5 Bf6 32. Qe3 Qe7 33. Bh6 Kh7 34. h4 Bg7 35. Qg5 Qf8 36. Bxg7 Kxg7 37. Bd1 Qf6 38. Qe3 Qf7 39. Qc3 Nc5 40. Bf3 g5 41. b4 axb4 42. axb4 Nd7 43. hxg5 Kg6 44. Qe3 Qe7 45. Kf2 Qxg5 46. Bg2 Nf6 47. Bh3 h4 48. Bf5+ Kh6 49. gxh4 Qxe3+ 50. Kxe3 Kh5 51. Kf3 Kxh4 52. Be6 1/2-1/2

[Event "Manaus Serious 2nd"]
[Site "Manaus"]
[Date "2014.04.18"]
[Round "1"]
[White "Barbosa, Celio Oliveira"]
[Black "Souza Neves, Andrey Marcelo"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "2038"]
[BlackElo "2160"]
[PlyCount "78"]
[EventDate "2014.04.18"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2018"]
[Source "ChessBase"]
[SourceDate "2017.10.13"]
[SourceVersion "1"]
[SourceVersionDate "2017.10.13"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 e6 3. g3 b6 4. Bg2 Bb7 5. 0-0 c5 6. Nc3 Be7 7. d4 cxd4 8. Qxd4 d6 9. Rd1 a6 10. Be3 Nbd7 11. Rac1 0-0 12. b3 Qb8 13. Na4 b5 14. Nb6 e5 15. Qb2 Nxb6 16. Bxb6 Bxf3 17. Bxf3 e4 18. Bxe4 Nxe4 19. Qd4 Nc5 20. Ba5 Qb7 21. b4 Ne6 22. Qd5 Rfb8 23. Qh5 bxc4 24. Rxc4 Qb5 25. Qd5 Qxd5 26. Rxd5 Rc8 27. Re4 Rc6 28. f4 Bf6 29. g4 h6 30. a4 Rac8 31. f5 Ng5 32. Re3 Rc4 33. Red3 Rxg4+ 34. Kf2 Rcc4 35. b5 axb5 36. axb5 Bd4+ 37. R5xd4 Rgxd4 38. Rxd4 Rxd4 39. b6 Rd5 0-1

[Event "Manaus Serious 1st"]
[Site "Manaus"]
[Date "2014.02.09"]
[Round "5.1"]
[White "Barbosa, Celio Oliveira"]
[Black "Souza Neves, Andrey Marcelo"]
[Result "1/2-1/2"]
[ECO "A38"]
[WhiteElo "2046"]
[BlackElo "2152"]
[PlyCount "115"]
[EventDate "2014.01.26"]
[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. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d3 d6 6. c4 c5 7. Nc3 Nc6 8. a3 e5 9. Rb1 Nd4 10. e3 Nxf3+ 11. Qxf3 Rb8 12. Qe2 Bg4 13. f3 Be6 14. e4 h5 15. Rf2 h4 16. g4 Nh7 17. h3 g5 18. Be3 Re8 19. Qd2 Bf6 20. Qc1 Nf8 21. b4 b6 22. Ra2 Ng6 23. Ne2 Nf4 24. Nxf4 exf4 25. Bf2 Be5 26. Qc2 Qf6 27. Rd1 Rec8 28. b5 a6 29. a4 axb5 30. axb5 Ra8 31. Qb3 Qd8 32. Rdd2 Rc7 33. Bf1 Rca7 34. Kg2 Ra5 35. Rxa5 Rxa5 36. d4 cxd4 37. Bxd4 Bxd4 38. Rxd4 Qc7 39. Rd2 Kf8 40. Qb4 Qc5 41. Qxc5 dxc5 42. Rd6 Ra4 43. Rxb6 Bxc4 44. Bxc4 Rxc4 45. Rc6 Rc2+ 46. Kg1 c4 47. b6 Ke7 48. b7 Rb2 49. Rxc4 Rxb7 50. Rd4 Rb5 51. Kg2 Ke6 52. Rd2 Ke5 53. Kf2 Rb4 54. Rd5+ Kf6 55. Rd6+ Ke7 56. Rd5 Rb2+ 57. Kg1 f6 58. Rd4 1/2-1/2

[Event "Manaus Serious 1st"]
[Site "Manaus"]
[Date "2014.02.01"]
[Round "2.4"]
[White "Rodolpho Filho, Joao"]
[Black "Barbosa, Celio Oliveira"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1573"]
[BlackElo "2046"]
[PlyCount "60"]
[EventDate "2014.01.26"]
[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 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Be2 0-0 6. 0-0 c6 7. b3 Nbd7 8. Bb2 c5 9. Rb1 Qa5 10. a4 a6 11. h3 cxd4 12. Nxd4 Nc5 13. Bf3 Rb8 14. Ba1 Qd8 15. b4 Ne6 16. Nde2 Ng5 17. Ng3 Nxf3+ 18. Qxf3 b5 19. a5 Bb7 20. Qd1 Rc8 21. Nd5 e5 22. Re1 Nxd5 23. exd5 Rc4 24. c3 Qa8 25. Ne4 Rd8 26. Nd2 Rc7 27. Ne4 Bxd5 28. Qc2 f5 29. Ng5 h6 30. Nf3 Bxf3 0-1

[Event "Manaus Serious 1st"]
[Site "Manaus"]
[Date "2014.01.26"]
[Round "1.3"]
[White "Barbosa, Celio Oliveira"]
[Black "Gutierrez, Enrique Alberto Sot"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2046"]
[BlackElo "1880"]
[PlyCount "113"]
[EventDate "2014.01.26"]
[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 d5 2. g3 g6 3. Bg2 Bg7 4. 0-0 Nf6 5. d3 0-0 6. c3 Nbd7 7. Nbd2 b6 8. Re1 Bb7 9. Qc2 e5 10. e4 dxe4 11. Nxe4 Nxe4 12. dxe4 Qe7 13. Bg5 Qe6 14. Rad1 f6 15. Bc1 Rad8 16. b3 a6 17. Bf1 b5 18. c4 c6 19. Ba3 Rfe8 20. cxb5 axb5 21. Rd6 Qe7 22. Bh3 Nf8 23. Red1 Rxd6 24. Bxd6 Qf7 25. a4 Bc8 26. Bxc8 Rxc8 27. axb5 Qb7 28. Qc4+ Kh8 29. Bxf8 Bxf8 30. Qe6 cxb5 31. Rd7 Qc6 32. Qf7 Qc1+ 33. Kg2 Qh6 34. Qxf6+ Bg7 35. Rd8+ Rxd8 36. Qxd8+ Bf8 37. Nxe5 Qg7 38. Qd5 b4 39. Nd7 Be7 40. Qa8+ Qg8 41. Qxg8+ Kxg8 42. f4 Kf7 43. Kf3 Ke6 44. Nb6 Bc5 45. Nc4 Bg1 46. h3 Bd4 47. g4 Bc3 48. f5+ Kf6 49. h4 h5 50. gxh5 gxf5 51. e5+ Ke6 52. Kf4 Be1 53. h6 Kf7 54. Kxf5 Bxh4 55. Nd6+ Kf8 56. Kg6 Bg3 57. Nf7 1-0

[Event "Manaus zt 2.4"]
[Site "Manaus"]
[Date "2013.05.03"]
[Round "9"]
[White "Barbosa, Celio Oliveira"]
[Black "Caetano, Hugo Zanotti Mendon"]
[Result "0-1"]
[ECO "A08"]
[WhiteElo "2056"]
[BlackElo "2150"]
[PlyCount "64"]
[EventDate "2013.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. d3 e5 5. 0-0 f6 6. e4 d4 7. Nbd2 Bg4 8. a4 Qd7 9. Re1 Nge7 10. Nc4 g5 11. Qd2 Ng6 12. c3 h5 13. cxd4 cxd4 14. Qc2 h4 15. Bd2 Bh3 16. Re2 Nf4 17. Bxf4 gxf4 18. Rf1 Qg4 19. Ncd2 hxg3 20. fxg3 fxg3 21. Bxh3 Rxh3 22. Rg2 gxh2+ 23. Kh1 Qe6 24. Nc4 0-0-0 25. Na5 Kb8 26. Qc4 Qxc4 27. Nxc4 Nb4 28. Rg6 Be7 29. Rg7 Re8 30. Nfd2 Nxd3 31. a5 Nf4 32. a6 Nh5 0-1

[Event "Manaus zt 2.4"]
[Site "Manaus"]
[Date "2013.05.02"]
[Round "8"]
[White "Pinto, Carlos Henrique Lop"]
[Black "Barbosa, Celio Oliveira"]
[Result "1-0"]
[ECO "A02"]
[WhiteElo "2119"]
[BlackElo "2056"]
[PlyCount "65"]
[EventDate "2013.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. f4 d6 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. d3 c6 7. c3 Nbd7 8. Na3 Rb8 9. Kh1 Qc7 10. Qe1 b5 11. Nc2 Bb7 12. e4 e5 13. f5 Rbe8 14. g4 Nxg4 15. Qh4 h5 16. Bg5 gxf5 17. Qxh5 Ndf6 18. Qh4 Nh7 19. Bh3 f6 20. Bd2 fxe4 21. dxe4 f5 22. exf5 Ngf6 23. Bg2 Qf7 24. Ng5 Nxg5 25. Bxg5 c5 26. Rg1 Nh7 27. Ne3 Nf6 28. Rad1 d5 29. Bxf6 Qxf6 30. Qxf6 Rxf6 31. Bxd5+ Bxd5+ 32. Rxd5 Kf8 33. Rf1 1-0

[Event "Manaus zt 2.4"]
[Site "Manaus"]
[Date "2013.05.01"]
[Round "7"]
[White "Barbosa, Celio Oliveira"]
[Black "De Lima, Paulo Isaac Assis"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2056"]
[BlackElo "1840"]
[PlyCount "50"]
[EventDate "2013.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. d4 Nf6 2. g3 e6 3. Bg2 d5 4. Nf3 c5 5. c3 Nc6 6. 0-0 Bd6 7. Nbd2 0-0 8. Nb3 c4 9. Nbd2 b5 10. Re1 Bb7 11. e4 Nxe4 12. Nxe4 dxe4 13. Rxe4 Nb4 14. Re2 Nd3 15. Be3 Bd5 16. Ne1 Bxg2 17. Kxg2 Nxe1+ 18. Qxe1 Qc7 19. Rd2 Rad8 20. Rad1 Qb7+ 21. f3 h6 22. Qf2 Kh7 23. d5 exd5 24. Rxd5 Bxg3 25. Qc2+ g6 1-0

[Event "Manaus zt 2.4"]
[Site "Manaus"]
[Date "2013.05.01"]
[Round "6"]
[White "Souza Neves, Andrey Marcelo"]
[Black "Barbosa, Celio Oliveira"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2159"]
[BlackElo "2056"]
[PlyCount "41"]
[EventDate "2013.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. e3 e6 5. b3 Bb4+ 6. Bd2 Qe7 7. Bxb4 Qxb4+ 8. Nbd2 Nbd7 9. Bd3 0-0 10. 0-0 c5 11. cxd5 Nxd5 12. Qc2 g6 13. a3 Qb6 14. Ne4 cxd4 15. exd4 N7f6 16. b4 Nxe4 17. Bxe4 Nf6 18. Rfe1 Rd8 19. Rac1 a5 20. Qc5 Nd7 21. Qe7 1-0

[Event "Manaus zt 2.4"]
[Site "Manaus"]
[Date "2013.04.30"]
[Round "5"]
[White "Barbosa, Celio Oliveira"]
[Black "Lima, Marco Antonio do Sa"]
[Result "1-0"]
[ECO "A08"]
[WhiteElo "2056"]
[BlackElo "1900"]
[PlyCount "107"]
[EventDate "2013.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 d5 4. d3 e5 5. 0-0 Nf6 6. Nbd2 Be7 7. e4 d4 8. Nc4 Qc7 9. a4 Be6 10. Nfd2 0-0 11. f4 Ng4 12. f5 Ne3 13. Nxe3 dxe3 14. Nf3 Bd7 15. Bxe3 f6 16. g4 Nd4 17. Qd2 Qd8 18. b3 Qe8 19. Rf2 Nxf3+ 20. Rxf3 Kh8 21. Kf2 g5 22. Rh1 Rf7 23. h4 Qg8 24. hxg5 fxg5 25. Rfh3 Rg7 26. Qc3 Bf6 27. Rh6 Qf7 28. Qc4 Qxc4 29. dxc4 Be7 30. Ke2 Rf8 31. Rd1 Bc6 32. Re6 Be8 33. Rxe5 h5 34. Bxc5 Bxc5 35. Rxc5 hxg4 36. Rh1+ Kg8 37. Kf2 Bc6 38. Kg3 Rd8 39. Kxg4 Rd2 40. Bf3 Rxc2 41. Rxc6 bxc6 42. e5 Rd2 43. Rd1 Rh2 44. f6 Rh4+ 45. Kg3 Rb7 46. Rd3 Rb8 47. e6 Rf4 48. f7+ Kf8 49. Bxc6 Ke7 50. Bd5 a5 51. c5 Rc8 52. Bc4 Rc7 53. c6 Rc8 54. Rd7+ 1-0

[Event "Manaus zt 2.4"]
[Site "Manaus"]
[Date "2013.04.29"]
[Round "4"]
[White "De Oliveira Freitas, Reinier Alex"]
[Black "Barbosa, Celio Oliveira"]
[Result "0-1"]
[ECO "C53"]
[WhiteElo "1881"]
[BlackElo "2056"]
[PlyCount "48"]
[EventDate "2013.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Qe7 5. 0-0 d6 6. d4 Bb6 7. Bg5 Nf6 8. d5 Nb8 9. Bb5+ Bd7 10. Bd3 0-0 11. Nh4 h6 12. Bxf6 Qxf6 13. Nf3 Bg4 14. Be2 Nd7 15. h3 Bh5 16. Nh2 Bg6 17. Nd2 Nc5 18. Ng4 Qg5 19. Nf3 Qf4 20. b4 Nxe4 21. Rc1 Ng3 22. Re1 f5 23. Ngh2 Bxf2+ 24. Kxf2 Ne4+ 0-1

[Event "Manaus zt 2.4"]
[Site "Manaus"]
[Date "2013.04.28"]
[Round "3"]
[White "Barbosa, Celio Oliveira"]
[Black "De Souza, Ivo Eduardo Medeiro"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "2056"]
[PlyCount "46"]
[EventDate "2013.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 Nf6 4. d3 e6 5. c3 Be7 6. 0-0 0-0 7. e4 d6 8. Na3 Rb8 9. Nc2 b5 10. b3 Bb7 11. Re1 b4 12. Bb2 bxc3 13. Bxc3 e5 14. Ne3 g6 15. Nc4 Ne8 16. Qd2 Ng7 17. Rac1 f5 18. Na5 fxe4 19. dxe4 Nd4 20. Nxb7 Rxb7 21. Ba5 Qd7 22. Qd3 Qb5 23. Qxb5 Nxf3+ 0-1

[Event "Manaus zt 2.4"]
[Site "Manaus"]
[Date "2013.04.28"]
[Round "2"]
[White "Miranda, Roberto Calheiros J"]
[Black "Barbosa, Celio Oliveira"]
[Result "1-0"]
[ECO "C88"]
[WhiteElo "2200"]
[BlackElo "2056"]
[PlyCount "91"]
[EventDate "2013.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[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. a4 Bb7 9. d3 d6 10. Nc3 b4 11. Nd5 Na5 12. Ba2 Bc6 13. c3 bxc3 14. Nxc3 Rb8 15. d4 exd4 16. Nxd4 Bd7 17. Qe2 Rb6 18. e5 dxe5 19. Qxe5 Bb4 20. Bf4 Bd6 21. Qg5 Bxf4 22. Qxf4 Rb4 23. Qe5 Nc6 24. Nxc6 Bxc6 25. Rad1 Qa8 26. Nd5 Bxd5 27. Bxd5 Nxd5 28. Rxd5 Rxb2 29. Rc5 Rb4 30. a5 Rg4 31. g3 c6 32. Rb1 Re8 33. Qc3 Rg6 34. Rb6 Rge6 35. Qc4 Qd8 36. Kg2 Re4 37. Qb3 Qd4 38. Rf5 R4e7 39. Rxa6 Qe4+ 40. Qf3 c5 41. Rxc5 Qe1 42. Ra8 Qb4 43. Rcc8 Qb5 44. Rxe8+ Rxe8 45. Rxe8+ Qxe8 46. a6 1-0

[Event "Manaus zt 2.4"]
[Site "Manaus"]
[Date "2013.04.27"]
[Round "1"]
[White "Barbosa, Celio Oliveira"]
[Black "Silva, Leandro da Nobrega"]
[Result "1-0"]
[ECO "E67"]
[WhiteElo "2056"]
[PlyCount "109"]
[EventDate "2013.04.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 154 Extra"]
[Source "ChessBase"]
[SourceDate "2013.06.25"]
[SourceVersion "2"]
[SourceVersionDate "2013.06.25"]
[SourceQuality "1"]

1. Nf3 d6 2. d4 Nf6 3. c4 Nbd7 4. g3 g6 5. Bg2 Bg7 6. 0-0 0-0 7. Nc3 b6 8. Ne5 Rb8 9. Nc6 Qe8 10. Nxb8 Nxb8 11. e4 Bd7 12. Bg5 h6 13. Bf4 Qc8 14. Re1 Bg4 15. Qd2 g5 16. Be3 Bh3 17. f4 Bxg2 18. Kxg2 Ng4 19. fxg5 Nxe3+ 20. Qxe3 hxg5 21. Qxg5 Nc6 22. Rad1 f5 23. Rf1 Qa8 24. Rxf5 Rxf5 25. Qxf5 Nxd4 26. Qd5+ Qxd5 27. Nxd5 Kf8 28. Nxc7 Nc2 29. Kf3 Bxb2 30. Rd2 Nd4+ 31. Rxd4 Bxd4 32. Ne6+ Kf7 33. Nxd4 a5 34. a4 e5 35. Nb5 Ke7 36. h4 Kd7 37. h5 Kc6 38. h6 d5 39. cxd5+ Kc5 40. d6 Kb4 41. d7 Kxa4 42. Na7 b5 43. d8Q b4 44. Qd1+ b3 45. Qa1+ Kb4 46. Nc6+ Kc5 47. Nxa5 Kb4 48. Nxb3 Kxb3 49. Qc1 Ka2 50. Ke3 Kb3 51. Kd3 Ka2 52. Qc3 Kb1 53. Qd2 Ka1 54. Kc3 Kb1 55. Qb2# 1-0

[Event "Porto Velho Madeira"]
[Site "Porto Velho"]
[Date "2013.01.16"]
[Round "9"]
[White "Cavalheiro, Wanir"]
[Black "Barbosa, Celio Oliveira"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1800"]
[BlackElo "2048"]
[PlyCount "84"]
[EventDate "2013.01.12"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 Ne4 3. Be3 d5 4. f3 Nf6 5. Bg5 Nbd7 6. Bxf6 Nxf6 7. e3 c5 8. Ne2 e6 9. Qd2 Bd7 10. Nbc3 Bd6 11. g3 Rc8 12. Bg2 b5 13. 0-0 0-0 14. f4 Qc7 15. Rfc1 b4 16. Nd1 c4 17. c3 Rb8 18. cxb4 Bxb4 19. Nec3 Ne8 20. a3 Ba5 21. Rcb1 Nd6 22. Nf2 Rb3 23. Qc2 Rfb8 24. Ra2 Bxc3 25. Nd1 Ba5 26. a4 c3 27. Ra3 Rxa3 28. bxa3 Rxb1 29. Qxb1 c2 30. Qc1 cxd1Q+ 31. Qxd1 Qc3 32. Kf2 Nc4 33. Qe2 Bxa4 34. Bf3 Bc2 35. Kg2 Bd3 36. Qf2 Nd2 37. Bh5 Be4+ 38. Kh3 g6 39. Be2 Nc4 40. Qg1 Nxe3 41. Qb1 Bg2+ 42. Kh4 Bd8# 0-1

[Event "Porto Velho Madeira"]
[Site "Porto Velho"]
[Date "2013.01.15"]
[Round "8"]
[White "Barbosa, Celio Oliveira"]
[Black "De Oliveira, Victor Gabriel C"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "2048"]
[BlackElo "2036"]
[PlyCount "31"]
[EventDate "2013.01.12"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. g3 d5 4. d4 Be7 5. Bg2 0-0 6. cxd5 exd5 7. Nc3 c6 8. 0-0 Re8 9. Re1 Bf5 10. Nh4 Bg6 11. Nxg6 hxg6 12. e4 dxe4 13. Nxe4 Nbd7 14. Nc3 Nb6 15. Be3 Nfd5 16. Qb3 1/2-1/2

[Event "Porto Velho Madeira"]
[Site "Porto Velho"]
[Date "2013.01.15"]
[Round "7"]
[White "Chaves, Abidala Juvino"]
[Black "Barbosa, Celio Oliveira"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "1800"]
[BlackElo "2048"]
[PlyCount "46"]
[EventDate "2013.01.12"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 d5 3. Bf4 c6 4. e3 e6 5. c4 Bb4+ 6. Nbd2 Bd6 7. Bxd6 Qxd6 8. c5 Qe7 9. Qa4 Nbd7 10. Bd3 e5 11. Nxe5 Nxe5 12. dxe5 Qxe5 13. Rb1 0-0 14. Nf3 Qe7 15. Qc2 Bg4 16. Ng5 h6 17. h3 Bh5 18. Nh7 Rfe8 19. b4 d4 20. 0-0 dxe3 21. fxe3 Qxe3+ 22. Kh1 Ne4 23. Rfe1 Qxd3 0-1

[Event "Porto Velho Madeira"]
[Site "Porto Velho"]
[Date "2013.01.14"]
[Round "5"]
[White "Barbosa, Celio Oliveira"]
[Black "Da Silva, Jefferson Rian Ferr"]
[Result "1-0"]
[ECO "A80"]
[WhiteElo "2048"]
[BlackElo "1962"]
[PlyCount "105"]
[EventDate "2013.01.12"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nf3 f5 2. d4 e6 3. d5 d6 4. dxe6 Bxe6 5. c3 Be7 6. g3 Nc6 7. Bg2 h6 8. Qc2 Nf6 9. Nh4 Qd7 10. Bh3 Ng4 11. Ng6 Rg8 12. Bg2 0-0-0 13. h3 Nge5 14. Nf4 g5 15. Nxe6 Qxe6 16. e3 f4 17. Be4 Rdf8 18. g4 Kb8 19. Qb3 Qxb3 20. axb3 fxe3 21. Bxe3 a6 22. Nd2 Nd8 23. 0-0-0 Ne6 24. Nc4 Nxc4 25. bxc4 Bf6 26. Bd5 Re8 27. Rhe1 Rgf8 28. Bxe6 Rxe6 29. Ba7+ Kxa7 30. Rxe6 Kb6 31. Rd5 Bd8 32. Rf5 Rh8 33. c5+ Kc6 34. cxd6 cxd6 35. Kc2 h5 36. h4 hxg4 37. hxg5 Rg8 38. Re4 Kd7 39. Rf7+ Kc6 40. Rxg4 Rxg5 41. Rxg5 Bxg5 42. f4 Bd8 43. f5 Kd5 44. Rxb7 Ke5 45. Rd7 Bf6 46. Ra7 Kxf5 47. Rxa6 Ke6 48. Kd3 Kd5 49. c4+ Ke6 50. c5 Be7 51. Ke4 Kd7 52. Kd5 Bd8 53. Ra7+ 1-0

[Event "Porto Velho Madeira"]
[Site "Porto Velho"]
[Date "2013.01.14"]
[Round "6"]
[White "Barbosa, Celio Oliveira"]
[Black "Matos Filho, Newton"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2048"]
[BlackElo "1800"]
[PlyCount "124"]
[EventDate "2013.01.12"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 Nc6 4. 0-0 Be6 5. d3 Qd7 6. Re1 g6 7. c3 Bg7 8. Bg5 0-0 9. Qd2 Rfe8 10. Na3 a6 11. Nc2 Bf5 12. Ncd4 Nxd4 13. Nxd4 c6 14. Rad1 Rad8 15. Qc1 e5 16. Nxf5 Qxf5 17. e4 Qe6 18. exd5 cxd5 19. d4 e4 20. f3 Rd7 21. Bxf6 Qxf6 22. fxe4 dxe4 23. Bxe4 Rde7 24. Bg2 Rxe1+ 25. Rxe1 Rxe1+ 26. Qxe1 b6 27. Qd2 Qd6 28. Qd3 a5 29. Qe4 Bh6 30. Kf1 Bc1 31. b3 Bb2 32. Qe3 Qc7 33. c4 Qd6 34. d5 Qf6+ 35. Ke2 Qe5 36. Qxe5 Bxe5 37. a3 Bd6 38. b4 axb4 39. a4 Kf8 40. Kd3 Ke7 41. a5 bxa5 42. Kd4 b3 43. c5 Bb8 44. Be4 a4 45. Kc4 Be5 46. Kb4 Bd4 47. d6+ Kd7 48. Bd5 f5 49. Bc4 Kc6 50. Bb5+ Kd5 51. d7 Bxc5+ 52. Kxa4 Be7 53. Kxb3 Kd6 54. Kc4 Ke5 55. Kd3 g5 56. Ke3 f4+ 57. gxf4+ gxf4+ 58. Kf3 Bd8 59. Kg4 h5+ 60. Kxh5 f3 61. Kg4 f2 62. h4 Ke6 1/2-1/2

[Event "Porto Velho Madeira"]
[Site "Porto Velho"]
[Date "2013.01.13"]
[Round "3"]
[White "Barbosa, Celio Oliveira"]
[Black "Da Silva, Vinicius R Rodrigue"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2048"]
[BlackElo "1705"]
[PlyCount "33"]
[EventDate "2013.01.12"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. 0-0 Nc6 5. d3 h6 6. e4 e5 7. c3 d5 8. exd5 Nxd5 9. Re1 Bd6 10. d4 f6 11. dxe5 Be7 12. exf6 gxf6 13. Nh4 Ne5 14. Qh5+ Kf8 15. Bxh6+ Kg8 16. Rxe5 Qe8 17. Qg4+ 1-0

[Event "Porto Velho Madeira"]
[Site "Porto Velho"]
[Date "2013.01.13"]
[Round "4"]
[White "Da Silva, Jaderson Ferreira"]
[Black "Barbosa, Celio Oliveira"]
[Result "0-1"]
[ECO "B07"]
[BlackElo "2048"]
[PlyCount "94"]
[EventDate "2013.01.12"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 d6 2. Bc4 Nf6 3. Nc3 g6 4. d4 Bg7 5. Bg5 0-0 6. Qd2 Re8 7. 0-0-0 c6 8. e5 dxe5 9. dxe5 Qxd2+ 10. Rxd2 Ng4 11. Nf3 Nxe5 12. Nxe5 Bxe5 13. Re1 Bxc3 14. bxc3 Nd7 15. Red1 Ne5 16. Rd8 Bf5 17. Rxa8 Rxa8 18. Bb3 Re8 19. Re1 Ng4 20. f3 Nxh2 21. Bf4 Nxf3 22. gxf3 Kg7 23. Be5+ Kf8 24. Rh1 h5 25. Rd1 h4 26. Bf4 Kg7 27. Bc4 e5 28. Bh2 f6 29. Bd3 Be6 30. Kb2 Kf7 31. Rg1 g5 32. f4 exf4 33. Bxf4 gxf4 34. Bg6+ Ke7 35. Bxe8 Kxe8 36. Rh1 h3 37. Rh2 Kf7 38. c4 Kg6 39. Kc3 c5 40. Kd3 Kg5 41. Ke4 Kg4 42. Rf2 Bf5+ 43. Kd5 Kg3 44. Re2 h2 45. Re1 f3 46. Re8 f2 47. Rg8+ Bg4 0-1

[Event "Porto Velho Madeira"]
[Site "Porto Velho"]
[Date "2013.01.12"]
[Round "1"]
[White "Barbosa, Celio Oliveira"]
[Black "Farias, Robson da Costa"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2048"]
[BlackElo "1800"]
[PlyCount "71"]
[EventDate "2013.01.12"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. Nf3 b6 2. g3 Bb7 3. Bg2 d5 4. d3 Nf6 5. 0-0 e6 6. c3 Be7 7. Qc2 0-0 8. b3 Nbd7 9. Bb2 c5 10. Nbd2 Qc7 11. Rad1 a5 12. e4 Rac8 13. Rfe1 e5 14. exd5 Nxd5 15. Nc4 Bf6 16. Ne3 Nxe3 17. Rxe3 Rfe8 18. Rde1 Re7 19. Qd1 Rce8 20. Bh3 Nf8 21. Nd2 Bg5 22. R3e2 Bxd2 23. Qxd2 Qc6 24. Re4 Nd7 25. f3 Nf6 26. R4e3 Nd5 27. R3e2 Qg6 28. Bg2 f6 29. d4 exd4 30. Rxe7 Rxe7 31. cxd4 Rxe1+ 32. Qxe1 Kf8 33. dxc5 Qc2 34. Ba3 Qxa2 35. Qc1 Qxb3 36. c6+ 1-0

[Event "Porto Velho Madeira"]
[Site "Porto Velho"]
[Date "2013.01.12"]
[Round "2"]
[White "Souza Neves, Andrey Marcelo"]
[Black "Barbosa, Celio Oliveira"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2137"]
[BlackElo "2048"]
[PlyCount "60"]
[EventDate "2013.01.12"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. e3 c6 4. c4 e6 5. b3 Bb4+ 6. Nbd2 Qe7 7. a3 Bc3 8. Rb1 Nbd7 9. Qc2 Ba5 10. Bb2 Bc7 11. Ne5 Nxe5 12. dxe5 Nd7 13. Nf3 dxc4 14. Bxc4 b6 15. b4 Bb7 16. Bd3 c5 17. Be4 Bxe4 18. Qxe4 0-0 19. 0-0 cxb4 20. axb4 a5 21. Rfc1 Rac8 22. Qb7 Nb8 23. bxa5 bxa5 24. Rc2 Qb4 25. Rxc7 Rxc7 26. Qxc7 Na6 27. Qd6 Nc5 28. Nd2 Rc8 29. Ba1 Qa3 30. Ne4 h6 1-0

[Event "Manaus FAX 3rd"]
[Site "Manaus"]
[Date "2012.02.19"]
[Round "6.5"]
[White "Da Silva, Mikhail Zoltan Iwan"]
[Black "Barbosa, Celio Oliveira"]
[Result "1/2-1/2"]
[ECO "A04"]
[WhiteElo "1978"]
[BlackElo "2072"]
[PlyCount "126"]
[EventDate "2012.02.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 c5 2. g3 Nc6 3. Bg2 g6 4. 0-0 Bg7 5. d3 e5 6. Bg5 Nge7 7. c3 h6 8. Be3 d6 9. Qc2 0-0 10. Na3 f5 11. Rad1 Be6 12. Bc1 Qb6 13. b3 g5 14. h4 g4 15. Nd2 d5 16. e4 f4 17. exd5 Nxd5 18. Be4 fxg3 19. Ndc4 gxf2+ 20. Rxf2 Qd8 21. Rxf8+ Qxf8 22. Rf1 Qe7 23. Ne3 Nxe3 24. Bxe3 Qxh4 25. Qg2 Rf8 26. Bxc5 Rxf1+ 27. Kxf1 g3 28. Ke2 Bg4+ 29. Kd2 h5 30. Nc2 Bh6+ 31. Be3 Bf4 32. d4 Qg5 33. d5 Nd8 34. Qxg3 Nf7 35. Qg2 Nd6 36. c4 b6 37. Bd3 Kf8 38. b4 Nf5 39. Bxf5 Qxf5 40. d6 h4 41. Qa8+ Qc8 42. Qxa7 Qxc4 43. Qe7+ Kg8 44. Qe8+ Kg7 45. Qe7+ Kg6 46. Qe8+ Qf7 47. Qc6 Bxe3+ 48. Kxe3 Qf4+ 49. Kd3 Bf5+ 50. Kc3 Qf2 51. d7+ Kh5 52. Kb2 Bxc2 53. Qxc2 Qd4+ 54. Qc3 Qxd7 55. Qxe5+ Kg4 56. Qe4+ Kg3 57. Qe3+ Kg4 58. Qxb6 Qd2+ 59. Kb3 h3 60. Qg6+ Qg5 61. Qe4+ Qf4 62. Qg6+ Kf3 63. Qc6+ Kf2 1/2-1/2

[Event "Manaus FAX 3rd"]
[Site "Manaus"]
[Date "2012.02.18"]
[Round "5.3"]
[White "Macedo Jr, Levy Salviano De"]
[Black "Barbosa, Celio Oliveira"]
[Result "1-0"]
[ECO "C50"]
[BlackElo "2072"]
[PlyCount "91"]
[EventDate "2012.02.12"]
[EventType "swiss"]
[EventRounds "6"]
[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. Bc4 Bc5 4. 0-0 Nf6 5. d3 d6 6. h3 0-0 7. Nc3 Qe7 8. Bg5 Be6 9. Nd5 Bxd5 10. Bxd5 Nd8 11. Nh4 Ne6 12. Nf5 Qd8 13. Bh4 c6 14. Bb3 Nd4 15. Nxd4 Bxd4 16. c3 Bb6 17. Kh1 h6 18. Qf3 g5 19. Bg3 Qe7 20. Qf5 Kg7 21. Bh2 Qd7 22. Qf3 Nh7 23. Rad1 Qe7 24. Qf5 Rad8 25. d4 exd4 26. e5 dxe5 27. Bxe5+ f6 28. Bxd4 Bxd4 29. cxd4 Rfe8 30. Rfe1 Qd6 31. Re4 Re7 32. Rde1 Rde8 33. Rxe7+ Rxe7 34. Rxe7+ Qxe7 35. Qc8 Nf8 36. Kg1 Qd7 37. Qb8 b5 38. a4 bxa4 39. Bxa4 Qxd4 40. Bxc6 Qb6 41. Qd6 Qb3 42. Bd5 Qd1+ 43. Kh2 Qe1 44. Qc7+ Kg6 45. Qf7+ Kf5 46. g4+ 1-0

[Event "Manaus FAX 3rd"]
[Site "Manaus"]
[Date "2012.02.12"]
[Round "2.3"]
[White "Barbosa, Celio Oliveira"]
[Black "Barros, Jose Claide Teixeir"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2072"]
[PlyCount "61"]
[EventDate "2012.02.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d3 d6 6. c3 Nc6 7. Qc2 b6 8. Ne5 Nxe5 9. Bxa8 c6 10. d4 Bh3 11. dxe5 Qxa8 12. exf6 c5 13. f3 Bxf6 14. Rf2 d5 15. Nd2 h5 16. e4 e6 17. b3 Rc8 18. Bb2 d4 19. cxd4 cxd4 20. Qd3 e5 21. Rc1 Rc5 22. Rxc5 bxc5 23. Nc4 Qd8 24. Bc1 g5 25. f4 gxf4 26. gxf4 Bh4 27. Qxh3 Bxf2+ 28. Kxf2 d3 29. Be3 exf4 30. Bxf4 Qd4+ 31. Qe3 1-0

[Event "Manaus FAX 3rd"]
[Site "Manaus"]
[Date "2012.02.12"]
[Round "3.2"]
[White "Barbosa, Celio Oliveira"]
[Black "Gutierrez, Enrique Alberto Sot"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "2027"]
[BlackElo "1889"]
[PlyCount "78"]
[EventDate "2012.02.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 Nc6 4. d3 e5 5. 0-0 Be7 6. c3 0-0 7. Qc2 Bg4 8. Nbd2 Qd7 9. Re1 Rfe8 10. e4 dxe4 11. Nxe4 Nxe4 12. dxe4 Rad8 13. Be3 Qd3 14. Qb3 Na5 15. Qa4 Nc4 16. b3 Bxf3 17. Bxf3 Nxe3 18. Rxe3 Qc2 19. Qc4 Rd2 20. Re2 Red8 21. a4 b6 22. Rxd2 Rxd2 23. Qxc7 Kf8 24. b4 f6 25. a5 b5 26. Rf1 Rd3 27. Bg4 Rxc3 28. Qxa7 Qxe4 29. Be6 Qc6 30. Qb8+ Qe8 31. Qxe8+ Kxe8 32. Ra1 Rc7 33. a6 Ra7 34. Ra5 Bxb4 35. Rxb5 Rxa6 36. Bg8 Bd6 37. Rb7 Rc6 38. Bxh7 Rc7 39. Bg6+ Ke7 1/2-1/2

[Event "Manaus FAX 3rd"]
[Site "Manaus"]
[Date "2012.02.12"]
[Round "1.4"]
[White "De Lima, Paulo Isaac Assis"]
[Black "Barbosa, Celio Oliveira"]
[Result "0-1"]
[ECO "C50"]
[BlackElo "2072"]
[PlyCount "72"]
[EventDate "2012.02.12"]
[EventType "swiss"]
[EventRounds "6"]
[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. d4 exd4 4. Bc4 Nf6 5. 0-0 d6 6. Nxd4 Ne5 7. Bb3 Be7 8. Nc3 0-0 9. h3 a6 10. a4 Bd7 11. f4 Ng6 12. Nf3 Bc6 13. Bd5 Qd7 14. Bxc6 Qxc6 15. Nd5 Nxd5 16. exd5 Qb6+ 17. Qd4 Qxd4+ 18. Nxd4 Bf6 19. Nf5 Rfe8 20. Be3 Re4 21. c3 Rae8 22. Rf3 Nh4 23. Nxh4 Rxe3 24. Rxe3 Rxe3 25. Nf3 Rd3 26. Re1 Kf8 27. c4 Bxb2 28. Rb1 Rb3 29. Kf1 Rb4 30. Ne1 Bc3 31. Rxb4 Bxb4 32. Nd3 a5 33. Nxb4 axb4 34. Ke2 Ke7 35. g4 Kf6 36. h4 h5 0-1

[Event "Manaus FAX 3rd"]
[Site "Manaus"]
[Date "2012.02.12"]
[Round "4.2"]
[White "Souza Neves, Andrey Marcelo"]
[Black "Barbosa, Celio Oliveira"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "2132"]
[BlackElo "2072"]
[PlyCount "33"]
[EventDate "2012.02.12"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. b3 g6 3. Bb2 Bg7 4. c4 c5 5. g3 0-0 6. Bg2 Nc6 7. 0-0 d6 8. d4 cxd4 9. Nxd4 Qb6 10. Nc2 Be6 11. Ne3 Rac8 12. Nc3 a6 13. Qd2 Bh6 14. Ncd5 Bxd5 15. Nxd5 Qxf2+ 16. Rxf2 Bxd2 17. Rxf6 1-0

[Event "BRA-ch op"]
[Site "Manaus"]
[Date "2011.09.07"]
[Round "8"]
[White "Lima, Marcos Antonio Dos"]
[Black "Barbosa, Celio Oliveira"]
[Result "1-0"]
[ECO "B07"]
[BlackElo "2078"]
[PlyCount "60"]
[EventDate "2011.09.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Bd3 e5 4. Nf3 Bg4 5. d5 Be7 6. 0-0 0-0 7. h3 Bh5 8. Re1 Nbd7 9. c4 Nc5 10. Bc2 a5 11. Nc3 Qd7 12. Be3 Na6 13. a3 c6 14. Ba4 Qc8 15. Rc1 c5 16. Kh2 Rb8 17. Bg5 Nxd5 18. Nxd5 Bxg5 19. g4 Bxg4 20. hxg4 Qxg4 21. Nxg5 Qxg5 22. Qf3 Kh8 23. Rg1 Qh4+ 24. Kg2 f5 25. Rh1 Qg4+ 26. Qxg4 fxg4 27. Rh4 Rf7 28. Rf1 g6 29. f3 Kg7 30. Rf2 h5 1-0

[Event "BRA-ch op"]
[Site "Manaus"]
[Date "2011.09.06"]
[Round "7"]
[White "Barbosa, Celio Oliveira"]
[Black "Lima, Darcy Gustavo Macha"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "2078"]
[BlackElo "2497"]
[PlyCount "34"]
[EventDate "2011.09.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nf6 3. g3 d5 4. cxd5 Nxd5 5. Bg2 Ne7 6. Nf3 Nbc6 7. 0-0 g6 8. b3 Bg7 9. Bb2 0-0 10. d3 h6 11. h4 Bg4 12. Nh2 Be6 13. Ne4 b6 14. Nf3 Qd7 15. Kh2 f5 16. Ned2 e4 17. Bxg7 exf3 0-1

[Event "BRA-ch op"]
[Site "Manaus"]
[Date "2011.09.05"]
[Round "5"]
[White "Barbosa, Celio Oliveira"]
[Black "Salles, Joelson de Assis"]
[Result "1-0"]
[ECO "E18"]
[WhiteElo "2078"]
[PlyCount "57"]
[EventDate "2011.09.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. 0-0 e6 5. d4 Be7 6. c4 0-0 7. Nc3 d5 8. Ne5 Nbd7 9. f4 c5 10. e3 Rc8 11. cxd5 exd5 12. Bh3 Rb8 13. Qa4 Nxe5 14. fxe5 Ne4 15. Nxe4 dxe4 16. Bd2 a6 17. Rad1 b5 18. Qa5 Qd5 19. Be1 cxd4 20. Rxd4 Qxe5 21. Bb4 Qg5 22. Qa3 Bxb4 23. Rxb4 Rbd8 24. Rb3 Rd2 25. Qb4 Rfd8 26. Rc3 Qh5 27. Qe7 Bc8 28. Rc5 f5 29. Rxc8 1-0

[Event "BRA-ch op"]
[Site "Manaus"]
[Date "2011.09.05"]
[Round "6"]
[White "Gutierrez, Enrique Alberto Sot"]
[Black "Barbosa, Celio Oliveira"]
[Result "0-1"]
[ECO "D46"]
[WhiteElo "1853"]
[BlackElo "2078"]
[PlyCount "44"]
[EventDate "2011.09.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 d5 3. e3 c6 4. c4 e6 5. Nc3 Be7 6. Bd3 Nbd7 7. b3 Bb4 8. Bd2 Qe7 9. cxd5 exd5 10. 0-0 0-0 11. Qc2 Re8 12. Ne2 Bd6 13. h3 Ne4 14. Bc3 f5 15. Nd2 Ndf6 16. Bxe4 Nxe4 17. f4 Nxc3 18. Qxc3 Bb4 19. Qd3 Qxe3+ 20. Qxe3 Rxe3 21. Kf2 Bxd2 22. Rad1 Rd3 0-1

[Event "BRA-ch op"]
[Site "Manaus"]
[Date "2011.09.04"]
[Round "3"]
[White "Barbosa, Celio Oliveira"]
[Black "Farias, Sergio Luiz Cardoso"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "2078"]
[BlackElo "1558"]
[PlyCount "81"]
[EventDate "2011.09.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. Nf3 Nc6 2. d4 e6 3. g3 d5 4. Bg2 Be7 5. 0-0 Nf6 6. Nbd2 b6 7. c4 Bb7 8. a3 0-0 9. b4 a6 10. Bb2 dxc4 11. Nxc4 b5 12. Ncd2 Rb8 13. Rc1 Bd6 14. e4 Ng4 15. Qe2 e5 16. h3 Nh6 17. d5 Ne7 18. Nxe5 f6 19. Nef3 Ng6 20. Nd4 Rf7 21. Nc6 Bxc6 22. Rxc6 Rb6 23. Rfc1 Re7 24. Bd4 Rxc6 25. Rxc6 Qc8 26. f4 Nf7 27. Qd3 Nd8 28. Rc1 Nf7 29. Nb3 Re8 30. Nc5 Nd8 31. Qc3 Re7 32. Nd3 Rxe4 33. Bxe4 Qxh3 34. Nf2 Nxf4 35. gxf4 Qh4 36. Qh3 Qxf4 37. Qxh7+ Kf8 38. Re1 Nf7 39. Bg6 Qg5+ 40. Kf1 Qxd5 41. Qh8+ 1-0

[Event "BRA-ch op"]
[Site "Manaus"]
[Date "2011.09.04"]
[Round "4"]
[White "Segal, Alexandru Sorin"]
[Black "Barbosa, Celio Oliveira"]
[Result "1-0"]
[ECO "C68"]
[WhiteElo "2145"]
[BlackElo "2078"]
[PlyCount "61"]
[EventDate "2011.09.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bd6 6. d4 Bg4 7. dxe5 Bxf3 8. Qxf3 Bxe5 9. Nc3 Qf6 10. Qxf6 Nxf6 11. Bg5 h6 12. Bxf6 Bxf6 13. e5 Be7 14. Rfd1 Rd8 15. Rxd8+ Kxd8 16. f4 Bc5+ 17. Kf1 Ke7 18. Ke2 Rd8 19. Ne4 Bb6 20. g3 Rd4 21. Kf3 c5 22. Re1 c4 23. Re2 Ba7 24. Rd2 b5 25. Rxd4 Bxd4 26. c3 Bb6 27. Nd2 Ke6 28. Ke4 g6 29. g4 Ke7 30. f5 g5 31. Nf3 1-0

[Event "BRA-ch op"]
[Site "Manaus"]
[Date "2011.09.03"]
[Round "1"]
[White "Barbosa, Celio Oliveira"]
[Black "Pontes e Souza, Jose Geraldo"]
[Result "1/2-1/2"]
[ECO "A40"]
[WhiteElo "2078"]
[PlyCount "72"]
[EventDate "2011.09.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. c4 g6 2. Nf3 Bg7 3. d4 c5 4. e3 d6 5. Be2 Nh6 6. Nc3 cxd4 7. exd4 0-0 8. 0-0 Nc6 9. d5 Nb8 10. Qc2 Nd7 11. Bd2 Ng4 12. Rad1 Nge5 13. Nd4 Nxc4 14. Bxc4 Bxd4 15. Nb5 Bg7 16. Be2 Ne5 17. Be3 b6 18. Rc1 Bf5 19. Qc7 Nd3 20. Qxd8 Rfxd8 21. Rc7 a6 22. Na7 Nxb2 23. Nc6 Rd7 24. Rxd7 Bxd7 25. Bxb6 Na4 26. Ba5 Kf8 27. Rb1 Nc5 28. Rb6 e6 29. Nb8 Bb5 30. Bf3 e5 31. Bb4 e4 32. Bxc5 dxc5 33. Bxe4 Ra7 34. d6 Bf6 35. Nc6 Rd7 36. Nb8 Ra7 1/2-1/2

[Event "BRA-ch op"]
[Site "Manaus"]
[Date "2011.09.03"]
[Round "2"]
[White "De Oliveira Freitas, Reinier Alex"]
[Black "Barbosa, Celio Oliveira"]
[Result "0-1"]
[ECO "E90"]
[BlackElo "2078"]
[PlyCount "101"]
[EventDate "2011.09.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 g6 2. d4 d6 3. c4 Bg7 4. Nc3 Nf6 5. Nf3 0-0 6. Be3 c6 7. Qc2 Na6 8. a3 Rb8 9. Rd1 Qc7 10. e5 dxe5 11. dxe5 Ng4 12. Bxa7 Ra8 13. Bd4 Nxe5 14. Nxe5 Bxe5 15. Bxe5 Qxe5+ 16. Be2 Bf5 17. Qc1 Nc5 18. 0-0 Rad8 19. Rfe1 Nb3 20. Qg5 Kg7 21. Bd3 Qf6 22. Qxf6+ Kxf6 23. Bxf5 gxf5 24. f4 Nd2 25. c5 Nb3 26. Re5 Rxd1+ 27. Nxd1 Rd8 28. Ne3 e6 29. g4 Rd4 30. gxf5 Rxf4 31. fxe6 fxe6 32. Rh5 Kg6 33. Re5 Nd4 34. Kg2 h5 35. Kg3 Rf6 36. Nc4 h4+ 37. Kg2 Rf5 38. Re4 Rd5 39. Ne3 Rg5+ 40. Kf2 e5 41. Rxh4 Nf5 42. Nxf5 Rxf5+ 43. Ke3 Rf1 44. Rb4 Re1+ 45. Kf2 Rc1 46. Rxb7 Rxc5 47. Rb6 Kf5 48. b4 Rc2+ 49. Kg1 e4 50. Rb8 e3 51. h4 0-1

[Event "Manaus 2nd IRT da FAX"]
[Site "Manaus"]
[Date "2011.08.04"]
[Round "9.2"]
[White "Stone, Ronnie Frank Pires"]
[Black "Barbosa, Celio Oliveira"]
[Result "1-0"]
[ECO "A38"]
[PlyCount "95"]
[EventDate "2011.07.28"]
[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. b3 g6 3. Bb2 Bg7 4. g3 c5 5. c4 0-0 6. Bg2 Nc6 7. 0-0 Rb8 8. Nc3 d6 9. e3 Bf5 10. d4 Qc8 11. Nh4 Bh3 12. d5 Bxg2 13. Kxg2 Nb4 14. a3 Na6 15. Nb5 Ra8 16. h3 Nc7 17. Nxc7 Qxc7 18. Qc2 a6 19. a4 Rfb8 20. a5 b5 21. axb6 Qxb6 22. Ra3 a5 23. Rfa1 a4 24. Rxa4 Rxa4 25. Rxa4 Qxb3 26. Qxb3 Rxb3 27. Ra8+ Bf8 28. Bxf6 exf6 29. Ra4 Rb4 30. Rxb4 cxb4 31. Nf3 b3 32. Nd2 b2 33. Kf3 f5 34. Ke2 Bg7 35. Kd1 Kf8 36. Kc2 Ke7 37. Nf3 h6 38. Ne1 g5 39. Nd3 h5 40. Nxb2 Kd7 41. Nd3 Kc7 42. Kb3 Kb6 43. f3 Bf6 44. g4 fxg4 45. fxg4 h4 46. Nf2 Be5 47. e4 Kc5 48. Nd3+ 1-0

[Event "Manaus 2nd IRT da FAX"]
[Site "Manaus"]
[Date "2011.08.03"]
[Round "8.5"]
[White "Barbosa, Celio Oliveira"]
[Black "Pinto, Pedro Jorge de Mora"]
[Result "1/2-1/2"]
[ECO "D02"]
[BlackElo "2162"]
[PlyCount "14"]
[EventDate "2011.07.28"]
[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 d5 2. Nf3 Nf6 3. Bf4 g6 4. c3 Bg7 5. Nbd2 0-0 6. h3 c6 7. e3 b5 1/2-1/2

[Event "Manaus 2nd IRT da FAX"]
[Site "Manaus"]
[Date "2011.08.02"]
[Round "7.1"]
[White "Barbosa, Celio Oliveira"]
[Black "Rocha, Roberto da Costa"]
[Result "1/2-1/2"]
[ECO "A07"]
[PlyCount "20"]
[EventDate "2011.07.28"]
[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 d5 2. g3 c6 3. Bg2 Bg4 4. Ne5 Bh5 5. d4 e6 6. 0-0 Bd6 7. Nf3 f5 8. Nbd2 Nf6 9. c4 0-0 10. Qb3 b6 1/2-1/2

[Event "Manaus 2nd IRT da FAX"]
[Site "Manaus"]
[Date "2011.07.31"]
[Round "5.2"]
[White "Barbosa, Celio Oliveira"]
[Black "Souza Neves, Andrey Marcelo"]
[Result "0-1"]
[ECO "A89"]
[BlackElo "2094"]
[PlyCount "88"]
[EventDate "2011.07.28"]
[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 f5 2. Nc3 Nf6 3. g3 g6 4. Bg2 Bg7 5. d4 0-0 6. Nf3 d6 7. 0-0 Nc6 8. Re1 Ne4 9. e3 Nxc3 10. bxc3 e5 11. d5 Na5 12. Qe2 b6 13. Nd2 Ba6 14. e4 Bh6 15. exf5 gxf5 16. f4 exf4 17. Qe6+ Kg7 18. Nf3 Rf6 19. Nd4 Kh8 20. Qe7 Bxc4 21. Re6 Rxe6 22. Qxe6 Bg7 23. Bxf4 Qf6 24. Bf1 Qxe6 25. dxe6 Re8 26. Be3 Bxe6 27. Bb5 Bd7 28. Bf2 Bxb5 29. Nxb5 Re7 30. Nxa7 Bxc3 31. Rc1 Bb4 32. Kf1 Bc5 33. Bxc5 dxc5 34. Re1 Rxe1+ 35. Kxe1 Kg7 36. Ke2 Kf6 37. Nb5 c6 38. Nd6 Ke6 39. Ne8 b5 40. Ng7+ Ke5 41. Kd3 b4 42. Nh5 c4+ 43. Kc2 c5 44. Nf4 Nc6 0-1

[Event "Manaus 2nd IRT da FAX"]
[Site "Manaus"]
[Date "2011.07.31"]
[Round "6.5"]
[White "Da Silva, Mikhail Zoltan Iwan"]
[Black "Barbosa, Celio Oliveira"]
[Result "0-1"]
[ECO "D10"]
[PlyCount "100"]
[EventDate "2011.07.28"]
[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 d5 2. c4 c6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 Qa5 6. cxd5 Ne4 7. Bf4 Ndf6 8. Qa4 Qxa4 9. Nxa4 Nxd5 10. Bg3 e6 11. Bd3 Bb4+ 12. Ke2 Nxg3+ 13. hxg3 h6 14. a3 Be7 15. Rc1 Rb8 16. Nf3 Bd6 17. e4 Nb6 18. Nc5 Ke7 19. b4 f6 20. Nh4 Rd8 21. f4 Bc7 22. Nf3 Nd7 23. Nb3 Nf8 24. Rc2 Bd7 25. Rhc1 Be8 26. Rd2 Ng6 27. e5 Kf7 28. a4 Ne7 29. b5 Nd5 30. Bc4 f5 31. Nc5 Ba5 32. Rd3 cxb5 33. axb5 b6 34. Nb3 Bb4 35. Nbd2 Rbc8 36. Rb3 Bxb5 37. Kd3 Bxc4+ 38. Rxc4 Rxc4 39. Nxc4 b5 40. Ne3 a5 41. Nc2 Rc8 42. Nxb4 Nxb4+ 43. Kd2 Rc2+ 44. Ke3 Rxg2 45. d5 Nxd5+ 46. Kd4 b4 47. Kc5 a4 48. Rb1 b3 49. Kd6 b2 50. Nd4 Nc3 0-1

[Event "Manaus 2nd IRT da FAX"]
[Site "Manaus"]
[Date "2011.07.30"]
[Round "3.3"]
[White "Barbosa, Celio Oliveira"]
[Black "Reis, Renan do Carmo"]
[Result "0-1"]
[ECO "A37"]
[BlackElo "2219"]
[PlyCount "44"]
[EventDate "2011.07.28"]
[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 c5 2. c4 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 e5 6. d3 Nge7 7. 0-0 0-0 8. Be3 d6 9. Ng5 h6 10. Nf3 f5 11. Qc1 g5 12. Bd2 f4 13. Ne1 Be6 14. e3 fxe3 15. Bxe3 Qd7 16. h4 gxh4 17. Bxh6 Nf5 18. Bxg7 Qxg7 19. gxh4 Nxh4 20. Qe3 Rf3 21. Qe4 Rf4 22. Qe3 Rg4 0-1

[Event "Manaus 2nd IRT da FAX"]
[Site "Manaus"]
[Date "2011.07.30"]
[Round "4.4"]
[White "Pessoa, Hudson Anselmo"]
[Black "Barbosa, Celio Oliveira"]
[Result "1/2-1/2"]
[ECO "D50"]
[PlyCount "24"]
[EventDate "2011.07.28"]
[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 d5 2. c4 c6 3. Nc3 Nf6 4. Bg5 e6 5. e4 Be7 6. e5 Nfd7 7. Bxe7 Qxe7 8. c5 b5 9. b4 a6 10. Bd3 0-0 11. f4 f6 12. Nf3 f5 1/2-1/2

[Event "Manaus 2nd IRT da FAX"]
[Site "Manaus"]
[Date "2011.07.29"]
[Round "2.3"]
[White "Soto Gutierrez, Enrique Alberto"]
[Black "Barbosa, Celio Oliveira"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "1897"]
[PlyCount "80"]
[EventDate "2011.07.28"]
[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 d5 2. Nf3 Nf6 3. e3 c6 4. c4 Bg4 5. Nc3 e6 6. Bd3 Nbd7 7. Qb3 dxc4 8. Bxc4 Qb6 9. Qxb6 Nxb6 10. Be2 Bb4 11. Bd2 0-0 12. a3 Bd6 13. Rc1 Rfd8 14. Ng5 Bxe2 15. Nxe2 Na4 16. Rc2 e5 17. Nc3 Nb6 18. dxe5 Bxe5 19. Nf3 Bd6 20. 0-0 Rd7 21. e4 Rad8 22. Bg5 Be7 23. Re1 Nc4 24. h3 h6 25. Bc1 Na5 26. Ne5 Rd6 27. Be3 Re6 28. f4 b6 29. b4 Nb7 30. Bf2 Nh5 31. g3 Bf6 32. Ng4 Bd4 33. e5 Nxg3 34. Kg2 Nf5 35. Bxd4 Rxd4 36. Re4 Rd3 37. Nb1 h5 38. Nf2 Rg6+ 39. Kf1 Rb3 40. Rc1 Ng3+ 0-1

[Event "Manaus 2nd IRT da FAX"]
[Site "Manaus"]
[Date "2011.07.28"]
[Round "1.4"]
[White "Barbosa, Celio Oliveira"]
[Black "Da Paz, Leonardo Gadelha"]
[Result "1-0"]
[ECO "C00"]
[PlyCount "75"]
[EventDate "2011.07.28"]
[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 d5 2. g3 Nf6 3. Bg2 e6 4. 0-0 Be7 5. d3 c5 6. Nbd2 Nc6 7. Re1 0-0 8. e4 d4 9. b3 Qc7 10. Bb2 e5 11. Rc1 Qa5 12. Nc4 Qc7 13. c3 b5 14. Ncd2 dxc3 15. Bxc3 Rd8 16. Qe2 Ba6 17. b4 Nd7 18. bxc5 b4 19. Bb2 Nxc5 20. Rxc5 Bxc5 21. Rc1 Bxd3 22. Qe1 Qe7 23. Nb3 Bd4 24. Nfxd4 Nxd4 25. Nxd4 exd4 26. Rd1 Bc4 27. Bxd4 Bxa2 28. Qe3 b3 29. e5 Rab8 30. Be4 a5 31. Rd2 Rbc8 32. f4 Qc7 33. Bf5 Qc1+ 34. Kf2 Rc6 35. e6 fxe6 36. Bxe6+ Kf8 37. Bxg7+ Kxg7 38. Qe5+ 1-0

[Event "Manaus FAX 1st"]
[Site "Manaus"]
[Date "2011.03.04"]
[Round "1.2"]
[White "Barbosa, Celio Oliveira"]
[Black "Da Silva, Rodrigo Chaves"]
[Result "1-0"]
[ECO "E72"]
[BlackElo "2212"]
[PlyCount "35"]
[EventDate "2011.03.04"]
[EventType "swiss"]
[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. g3 g6 3. Bg2 Bg7 4. c4 0-0 5. Nc3 d6 6. Nf3 c6 7. 0-0 Nbd7 8. b3 e5 9. e4 exd4 10. Nxd4 a5 11. Qc2 Re8 12. Bf4 Nh5 13. Be3 Nhf6 14. Rad1 Nc5 15. Nxc6 Qc7 16. Nd4 Bd7 17. Ndb5 Bxb5 18. Nxb5 1-0

[Event "Manaus FAX 1st"]
[Site "Manaus"]
[Date "2011.03.04"]
[Round "7.3"]
[White "Barbosa, Celio Oliveira"]
[Black "Martins, Clauber Figueiredo"]
[Result "1-0"]
[ECO "D13"]
[BlackElo "1898"]
[PlyCount "71"]
[EventDate "2011.03.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 e6 2. Nf3 c5 3. c3 cxd4 4. cxd4 d5 5. e3 Nf6 6. Nc3 Nc6 7. Be2 Bd6 8. 0-0 0-0 9. Bd2 a6 10. Rc1 Bd7 11. Bd3 e5 12. dxe5 Nxe5 13. Be2 Rc8 14. Nd4 Re8 15. Qb3 Bc6 16. Nxc6 bxc6 17. Qc2 Nfg4 18. g3 Qd7 19. Na4 Qe6 20. Kg2 c5 21. h3 Nf6 22. f4 Ned7 23. Bf3 d4 24. Rfe1 Ne4 25. exd4 f5 26. Bxe4 fxe4 27. Qc4 Nf6 28. Qxe6+ Rxe6 29. dxc5 Bc7 30. Rc4 Rd8 31. Bc3 e3 32. Kf3 Rde8 33. Bxf6 gxf6 34. Nc3 f5 35. Nd5 Ba5 36. Rxe3 1-0

[Event "Manaus FAX 1st"]
[Site "Manaus"]
[Date "2011.03.04"]
[Round "3.1"]
[White "Barbosa, Celio Oliveira"]
[Black "Ribeiro Lopes, Janio"]
[Result "1-0"]
[ECO "A07"]
[BlackElo "2027"]
[PlyCount "93"]
[EventDate "2011.03.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. g3 Nf6 2. Bg2 g6 3. Nf3 Bg7 4. 0-0 0-0 5. d3 d5 6. Nbd2 Nbd7 7. e4 dxe4 8. Nxe4 Nxe4 9. dxe4 e5 10. Qe2 Qe7 11. Bg5 Nf6 12. Rad1 h6 13. Bc1 Bd7 14. b3 Bc6 15. Nd2 b5 16. Nb1 Rfd8 17. Nc3 Qc5 18. Qe3 Qe7 19. Nd5 Nxd5 20. exd5 Bb7 21. c4 bxc4 22. bxc4 f5 23. Ba3 Qf7 24. Rb1 Ba6 25. Rfc1 e4 26. Bb2 Re8 27. Bxg7 Kxg7 28. Rb4 Qf6 29. c5 g5 30. Qd4 Qxd4 31. Rxd4 Red8 32. f3 exf3 33. Bxf3 g4 34. Bg2 Bb7 35. Re1 Re8 36. Rb1 Ba6 37. d6 Rab8 38. Rxb8 Rxb8 39. d7 Rd8 40. c6 Bb5 41. Rb4 a6 42. a4 Bd3 43. Rb7 Kf6 44. Rxc7 Ke7 45. Rc8 a5 46. c7 Rxd7 47. Re8+ 1-0

[Event "Manaus FAX 1st"]
[Site "Manaus"]
[Date "2011.03.04"]
[Round "4.1"]
[White "Barbosa, Celio Oliveira"]
[Black "Souza Neves, Andrey Marcelo"]
[Result "0-1"]
[ECO "A07"]
[BlackElo "2126"]
[PlyCount "42"]
[EventDate "2011.03.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c6 3. g3 Bg4 4. Bg2 Nd7 5. Nbd2 e6 6. 0-0 f5 7. c3 Bd6 8. Qb3 Rb8 9. a4 Ngf6 10. Re1 0-0 11. Ng5 Qe7 12. f4 Ne4 13. Ngf3 Kh8 14. Ne5 Bxe5 15. dxe5 g5 16. Nxe4 fxe4 17. h3 Bh5 18. Be3 c5 19. g4 gxf4 20. Bxf4 Rxf4 21. gxh5 Rg8 0-1

[Event "Manaus FAX 1st"]
[Site "Manaus"]
[Date "2011.03.04"]
[Round "9.4"]
[White "Barbosa, Celio Oliveira"]
[Black "Stone, Ronnie Frank Pires"]
[Result "1-0"]
[ECO "A54"]
[PlyCount "55"]
[EventDate "2011.03.04"]
[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 e5 2. g3 Nc6 3. Bg2 Nf6 4. Nc3 d6 5. Nf3 Be7 6. 0-0 0-0 7. d4 exd4 8. Nxd4 Nxd4 9. Qxd4 Nd7 10. Nd5 Nb6 11. e4 Nxd5 12. exd5 Bf6 13. Qd3 Re8 14. Rb1 Rb8 15. Be3 b6 16. b4 Ba6 17. Qc2 Bb7 18. Rfe1 a6 19. a4 Bg5 20. Rb3 Bxe3 21. Rbxe3 Rxe3 22. Rxe3 Qd7 23. Qe4 g6 24. Qe7 Bc8 25. Qf6 Bb7 26. Re7 Qf5 27. Qxf5 gxf5 28. Bh3 1-0

[Event "Manaus FAX 1st"]
[Site "Manaus"]
[Date "2011.03.04"]
[Round "2.5"]
[White "Bernardino, Hugo Barros"]
[Black "Barbosa, Celio Oliveira"]
[Result "0-1"]
[ECO "D02"]
[PlyCount "130"]
[EventDate "2011.03.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c6 4. e3 e6 5. Bd3 Bd6 6. Bxd6 Qxd6 7. Nbd2 Nbd7 8. c3 0-0 9. 0-0 e5 10. e4 exd4 11. Nxd4 Nc5 12. exd5 Ng4 13. N2f3 Nxd3 14. Qxd3 Qxd5 15. c4 Qd6 16. Rad1 Qf6 17. h3 Rd8 18. Qe4 Nh6 19. Nxc6 bxc6 20. Qxc6 Be6 21. Nd4 Rdc8 22. Qb7 Bxc4 23. Rfe1 Ba6 24. Qe4 g6 25. g4 Re8 26. Qd5 Rxe1+ 27. Rxe1 Rd8 28. g5 Rxd5 29. gxf6 Rg5+ 30. Kh2 Kh8 31. Re7 Bf1 32. Rxa7 Rg2+ 33. Kh1 Rxf2 34. b4 Rxf6 35. a4 Nf5 36. Nxf5 gxf5 37. a5 Kg7 38. Rb7 Ba6 39. Rb8 f4 40. b5 f3 41. Kg1 Rf5 42. bxa6 Rxa5 43. Ra8 Ra2 44. a7 Kf6 45. Rh8 Rxa7 46. Rxh7 Ra2 47. Rh4 Ke5 48. Rb4 f5 49. h4 Rg2+ 50. Kf1 Rg4 51. Rb3 Kf4 52. h5 Kg3 53. Rb6 Rh4 54. Rg6+ Kf4 55. h6 Rh2 56. Re6 Kg5 57. Ra6 f4 58. Rb6 f2 59. Ra6 Kg4 60. Rb6 Kf3 61. Rb3+ Ke4 62. Rb4+ Kd3 63. Rxf4 Ke3 64. Rf6 Rh1+ 65. Kg2 Rg1+ 0-1

[Event "Manaus FAX 1st"]
[Site "Manaus"]
[Date "2011.03.04"]
[Round "5.2"]
[White "Lima, Endson dos Santos"]
[Black "Barbosa, Celio Oliveira"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "2069"]
[PlyCount "108"]
[EventDate "2011.03.04"]
[EventType "swiss"]
[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. Nxd4 Nf6 5. Nc3 a6 6. Be2 b5 7. Bf3 e5 8. Nb3 Bb7 9. 0-0 Be7 10. Qd3 0-0 11. Bd2 Nbd7 12. Nd5 Nxd5 13. exd5 f5 14. Na5 Qc7 15. Qc3 Rac8 16. Qxc7 Rxc7 17. Nxb7 Rxb7 18. Bb4 Rc8 19. c3 Nc5 20. Rfd1 Bd8 21. Bxc5 Rxc5 22. Be2 Kf7 23. a3 e4 24. Kf1 Bf6 25. f3 e3 26. f4 g5 27. g3 gxf4 28. gxf4 Rb8 29. Bh5+ Kf8 30. Ke2 Rb7 31. Kxe3 Re7+ 32. Kf3 Rc4 33. Re1 Ree4 34. Rxe4 Rxe4 35. Bg4 Bg5 36. fxg5 Rxg4 37. Re1 Rxg5 38. Re6 f4 39. Rxd6 a5 40. Rf6+ Ke7 41. Rxf4 Rxd5 42. Rd4 Rh5 43. h4 Rf5+ 44. Rf4 Rd5 45. Ke3 Ke6 46. Re4+ Kf5 47. Rf4+ Ke6 48. Rg4 Kf6 49. b4 a4 50. c4 bxc4 51. Rxc4 Rd1 52. b5 Rb1 53. Rxa4 Rxb5 54. Rb4 Rc5 1/2-1/2

[Event "Manaus FAX 1st"]
[Site "Manaus"]
[Date "2011.03.04"]
[Round "8.3"]
[White "Pessoa, Hudson Anselmo"]
[Black "Barbosa, Celio Oliveira"]
[Result "1/2-1/2"]
[ECO "A16"]
[PlyCount "115"]
[EventDate "2011.03.04"]
[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. g3 g6 3. Bg2 Bg7 4. 0-0 c6 5. c4 0-0 6. Nc3 d6 7. b3 Nbd7 8. Bb2 Qc7 9. Qc2 Rb8 10. Rac1 b6 11. d4 Bb7 12. e4 Bh6 13. Nd2 e5 14. d5 Ba6 15. Rfe1 cxd5 16. cxd5 Rbc8 17. Bf1 Bxf1 18. Rxf1 b5 19. Qb1 Bxd2 20. Nxb5 Qb6 21. Rxc8 Rxc8 22. Qd3 Bh6 23. Re1 Nc5 24. Qc4 a6 25. Nxd6 Qxd6 26. b4 Qc7 27. bxc5 Qxc5 28. Qxa6 Nd7 29. Kg2 Rb8 30. Ba3 Qb5 31. Qc6 Qa5 32. Re2 Qxa3 33. Qxd7 Qd3 34. Qg4 Rb4 35. Qf3 Qxf3+ 36. Kxf3 Kf8 37. Kg2 Ke7 38. f3 Rd4 39. Kf2 Rd2 40. Rxd2 Bxd2 41. Ke2 Bb4 42. Kd3 Kd6 43. Kc4 Be1 44. a4 h5 45. g4 hxg4 46. fxg4 Bf2 47. a5 Be1 48. a6 Kc7 49. d6+ Kb6 50. Kd5 Bh4 51. Kxe5 Kxa6 52. d7 Kb7 53. Kd6 Bf6 54. e5 Bd8 55. e6 fxe6 56. Kxe6 Kc7 57. Kf7 g5 58. Ke8 1/2-1/2

[Event "Manaus FAX 1st"]
[Site "Manaus"]
[Date "2011.03.04"]
[Round "6.1"]
[White "Reis, Renan do Carmo"]
[Black "Barbosa, Celio Oliveira"]
[Result "1-0"]
[ECO "B99"]
[WhiteElo "2227"]
[PlyCount "43"]
[EventDate "2011.03.04"]
[EventType "swiss"]
[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. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Be7 8. Qf3 Nbd7 9. 0-0-0 Qc7 10. g4 b5 11. Bxf6 Nxf6 12. g5 Nd7 13. f5 Bxg5+ 14. Kb1 Ne5 15. Qh5 Qd8 16. Nxe6 Bxe6 17. fxe6 0-0 18. Rg1 Bf6 19. Bh3 g6 20. Nd5 Kh8 21. Qe2 Bg7 22. e7 1-0

[Event "Manaus op"]
[Site "Manaus"]
[Date "2010.08.15"]
[Round "7"]
[White "Barbosa, Celio Oliveira"]
[Black "Lima, Endson dos Santos"]
[Result "1-0"]
[ECO "A49"]
[PlyCount "137"]
[EventDate "2010.08.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d4 d6 6. c3 Nbd7 7. Re1 e5 8. e4 c6 9. Bg5 Qe7 10. Nbd2 h6 11. Be3 Ng4 12. dxe5 dxe5 13. Nc4 Nxe3 14. Rxe3 Nb6 15. Nxb6 axb6 16. Qb3 b5 17. a3 Be6 18. Qc2 Rfd8 19. Rd1 Bc4 20. Bf1 Rxd1 21. Qxd1 Rd8 22. Qc2 h5 23. Re1 Be6 24. Rd1 Bg4 25. Rxd8+ Qxd8 26. Qd2 Qxd2 27. Nxd2 Bd1 28. c4 Bh6 29. Nb1 bxc4 30. Bxc4 b5 31. Bd3 Bc1 32. b4 Bb3 33. Kf1 Bb2 34. Ke2 Ba2 35. a4 bxa4 36. Kd2 Bb3 37. Bc2 Ba2 38. Nc3 Bxc3+ 39. Kxc3 a3 40. Ba4 Kf8 41. Bxc6 Ke7 42. Bd5 Bb1 43. b5 Kd6 44. b6 f5 45. f3 g5 46. b7 Kc7 47. exf5 Bxf5 48. Kb3 Bd3 49. Kxa3 Ba6 50. Kb4 Bf1 51. Kc5 Bh3 52. Bf7 h4 53. Kd5 hxg3 54. hxg3 Kxb7 55. Kxe5 Kc7 56. Kf6 Kd6 57. Kxg5 Ke7 58. Bh5 Be6 59. f4 Kf8 60. f5 Bd5 61. Kf6 Bc4 62. Bf3 Bf7 63. g4 Bc4 64. g5 Bg8 65. Bc6 Bf7 66. g6 Bc4 67. Bd7 Bf7 68. g7+ Kg8 69. Be6 1-0

[Event "Manaus op"]
[Site "Manaus"]
[Date "2010.08.14"]
[Round "4"]
[White "Barbosa, Celio Oliveira"]
[Black "Cincinato, Thalita Ariane"]
[Result "1/2-1/2"]
[ECO "A49"]
[BlackElo "2017"]
[PlyCount "101"]
[EventDate "2010.08.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 Re8 6. c3 d6 7. Re1 Nbd7 8. e4 e5 9. Qc2 b6 10. Bg5 h6 11. Be3 Bb7 12. Nbd2 Nxe4 13. Nxe5 dxe5 14. Nxe4 Rb8 15. dxe5 Nxe5 16. Rad1 Qe7 17. Bd4 c5 18. Bxe5 Qxe5 19. Nf6+ Qxf6 20. Rxe8+ Rxe8 21. Bxb7 Qe6 22. Bd5 Qg4 23. Qb3 Re7 24. Bc4 h5 25. Bf1 h4 26. Qd5 hxg3 27. hxg3 Bf6 28. Qa8+ Kh7 29. Rd6 Be5 30. Rd8 Bf6 31. Qh1+ Qh5 32. Qxh5+ gxh5 33. Rd5 Re5 34. Bd3+ Kg7 35. Rd7 Re1+ 36. Kg2 Rd1 37. Bf5 Rxd7 38. Bxd7 h4 39. gxh4 Bxh4 40. f4 Kf6 41. Kf3 Ke7 42. Bc8 Kd6 43. Ke4 b5 44. b3 Bf6 45. c4 bxc4 46. bxc4 Kc7 47. Ba6 Kb6 48. Bb5 Bd4 49. Kd5 a6 50. Be8 f6 51. a4 1/2-1/2

[Event "Manaus op"]
[Site "Manaus"]
[Date "2010.08.14"]
[Round "5"]
[White "Soto Gutierrez, Enrique Alberto"]
[Black "Barbosa, Celio Oliveira"]
[Result "0-1"]
[ECO "A47"]
[PlyCount "94"]
[EventDate "2010.08.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. d4 d5 5. c4 c6 6. cxd5 cxd5 7. Nc3 e6 8. Bg5 Be7 9. 0-0 0-0 10. Rc1 Nbd7 11. Qa4 a6 12. Rfe1 b5 13. Qd1 Rc8 14. a3 Nb6 15. Ne5 Ne8 16. Bxe7 Qxe7 17. e4 Nf6 18. Nd3 dxe4 19. Nc5 Rfd8 20. Nxb7 Qxb7 21. Nxe4 Nxe4 22. Bxe4 Qd7 23. Bf3 Rxc1 24. Qxc1 Qxd4 25. Rd1 Qf6 26. Qc7 Nd5 27. Qa5 Rd6 28. Bxd5 exd5 29. Qc7 g6 30. Re1 d4 31. Re8+ Kg7 32. Qc8 Re6 33. Rh8 Qe7 34. Qg8+ Kf6 35. Rxh7 Re1+ 36. Kg2 Qb7+ 37. Kh3 Qd7+ 38. Kg2 Re8 39. Qg7+ Ke6 40. f4 Qd5+ 41. Kf2 Re7 42. Qe5+ Qxe5 43. fxe5 Kxe5 44. Ke2 Kd5+ 45. Kd3 Re3+ 46. Kd2 Rf3 47. Rh8 Rf2+ 0-1

[Event "Manaus op"]
[Site "Manaus"]
[Date "2010.08.13"]
[Round "2"]
[White "Barbosa, Celio Oliveira"]
[Black "Rodrigues, Nei Jorge"]
[Result "0-1"]
[ECO "D02"]
[BlackElo "2088"]
[PlyCount "50"]
[EventDate "2010.08.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. g3 Bf5 4. Bg2 e6 5. c3 Bd6 6. 0-0 Nbd7 7. Nbd2 c5 8. dxc5 Nxc5 9. Nb3 Rc8 10. Be3 b6 11. Nbd4 Bg6 12. Rc1 0-0 13. Nh4 Ng4 14. Bd2 Nxh2 15. Re1 Bh5 16. Nb5 Bb8 17. Nxa7 Bxa7 18. Kxh2 Nd3 19. Bg5 Nxb2 20. Bxd8 Nxd1 21. Rexd1 Rfxd8 22. Rd2 Rc4 23. e3 Rdc8 24. Rdc2 Bb8 25. Bf1 Rxh4+ 0-1

[Event "Manaus op"]
[Site "Manaus"]
[Date "2010.08.13"]
[Round "3"]
[White "Silva, Leandro da Nobrega"]
[Black "Barbosa, Celio Oliveira"]
[Result "0-1"]
[ECO "A07"]
[PlyCount "70"]
[EventDate "2010.08.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d3 d5 6. Nbd2 c6 7. b3 Bf5 8. Bb2 Qc8 9. e3 Bh3 10. Bxh3 Qxh3 11. Ng5 Qd7 12. Ba3 Re8 13. Ndf3 Nh5 14. Rb1 h6 15. c4 hxg5 16. cxd5 cxd5 17. Nxg5 Nc6 18. Qc1 Rac8 19. Rd1 Ne5 20. Qd2 f6 21. d4 Ng4 22. Qd3 fxg5 23. Qxg6 Rc6 24. Qxh5 Rh6 25. Qxg5 Nxh2 26. Rbc1 Nf3+ 27. Kf1 Nxg5 28. Rc2 Rh1+ 29. Ke2 Qg4+ 30. Kd3 Rxd1+ 31. Rd2 Rxd2+ 32. Kxd2 Ne4+ 33. Kd3 Rc8 34. Bb4 Qd1+ 35. Bd2 Qxd2# 0-1

[Event "Manaus op"]
[Site "Manaus"]
[Date "2010.08.12"]
[Round "1"]
[White "Sousa, Jurandir Araujo"]
[Black "Barbosa, Celio Oliveira"]
[Result "0-1"]
[ECO "B08"]
[PlyCount "110"]
[EventDate "2010.08.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. Nf3 Bg7 5. Bg5 c6 6. Be2 Qb6 7. Rb1 Nbd7 8. 0-0 0-0 9. Qd2 Re8 10. Bd3 e5 11. Be3 Ng4 12. d5 Nxe3 13. Qxe3 Qxe3 14. fxe3 Nb6 15. Nd2 Bd7 16. Nc4 Nc8 17. a4 Rb8 18. b4 f5 19. b5 cxb5 20. Nxb5 Bxb5 21. axb5 fxe4 22. Bxe4 b6 23. Nd2 Rb7 24. Bd3 Bh6 25. Ne4 Bxe3+ 26. Kh1 Rf8 27. Rxf8+ Kxf8 28. Rf1+ Rf7 29. g3 Rxf1+ 30. Bxf1 Kf7 31. Bh3 Ne7 32. Nxd6+ Kg7 33. Be6 Bc5 34. Ne4 Nf5 35. Bd7 Nd6 36. Nc3 Kf6 37. Kg2 e4 38. Kf1 Ke5 39. Be6 Kd4 40. Ne2+ Kc4 41. Bg8 h6 42. Nf4 g5 43. Ne6 Kxb5 44. Ke2 a5 45. Bh7 a4 46. Nxc5 Kxc5 47. Ke3 Kxd5 48. Bg8+ Ke5 49. Ba2 b5 50. c3 h5 51. h3 g4 52. h4 Nf5+ 53. Kf2 e3+ 54. Ke2 Nxg3+ 55. Kxe3 Nf5+ 0-1

[Event "BRA North Region-ch 10th"]
[Site "Manaus"]
[Date "2007.06.??"]
[Round "6"]
[White "Barbosa, Celio Oliveira"]
[Black "Amoedo, Dauton"]
[Result "1-0"]
[ECO "E87"]
[PlyCount "57"]
[EventDate "2007.06.07"]
[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. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 Nbd7 7. Qd2 e5 8. d5 Nh5 9. Bd3 f5 10. 0-0-0 f4 11. Bf2 a5 12. Bc2 Bf6 13. Nge2 g5 14. g4 fxg3 15. hxg3 Qe8 16. g4 Nf4 17. Nxf4 gxf4 18. Rh5 Qg6 19. Rdh1 Rf7 20. c5 b6 21. cxd6 cxd6 22. Nb5 Bd8 23. Rh6 Qg7 24. Nxd6 Rf6 25. Nf5 Rxh6 26. Rxh6 Qf7 27. Qc3 Ba6 28. Bb3 a4 29. Bxa4 1-0

[Event "BRA North Region-ch 10th"]
[Site "Manaus"]
[Date "2007.06.??"]
[Round "4"]
[White "Barbosa, Celio Oliveira"]
[Black "Da Silva, Deomar Cesar Cheres"]
[Result "1-0"]
[ECO "E87"]
[PlyCount "61"]
[EventDate "2007.06.07"]
[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. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Be3 e5 7. d5 Nbd7 8. Qd2 a5 9. Bd3 c6 10. Nge2 Ne8 11. g4 Nc5 12. Bc2 Qf6 13. Ng1 Nc7 14. Bg5 Qxg5 15. Qxg5 f6 16. Qe3 N7a6 17. a3 Nb8 18. Nge2 Nbd7 19. 0-0-0 f5 20. gxf5 gxf5 21. Rhg1 f4 22. Qf2 Nf6 23. dxc6 Be6 24. Rxd6 Bxc4 25. Qxc5 Bxe2 26. Nxe2 bxc6 27. Qxe5 Rf7 28. Bb3 Nd5 29. exd5 cxd5 30. Bxd5 Rc8+ 31. Kb1 1-0

[Event "BRA North Region-ch 10th"]
[Site "Manaus"]
[Date "2007.06.??"]
[Round "1"]
[White "Barbosa, Celio Oliveira"]
[Black "Souza, Denis Robson Rodrig"]
[Result "1/2-1/2"]
[ECO "D03"]
[PlyCount "94"]
[EventDate "2007.06.07"]
[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 d5 2. Nf3 Nf6 3. c3 e6 4. Bg5 Be7 5. Nbd2 b6 6. e3 Bb7 7. Bd3 h6 8. Bh4 Nbd7 9. 0-0 0-0 10. Rc1 Ne4 11. Bxe7 Qxe7 12. Qe2 c5 13. Ba6 Bxa6 14. Qxa6 Nxd2 15. Nxd2 c4 16. e4 Nb8 17. Qa4 Qd7 18. Qxd7 Nxd7 19. exd5 exd5 20. Rce1 Nf6 21. Re5 a5 22. Rfe1 b5 23. f3 b4 24. Rb1 Rab8 25. Ree1 Rfe8 26. Kf2 Rxe1 27. Kxe1 bxc3 28. bxc3 Rxb1+ 29. Nxb1 Ne8 30. Kd2 Nd6 31. Ke3 g5 32. Na3 f6 33. Nc2 Kf7 34. Kd2 Ke6 35. Ne3 h5 36. Nd1 Nb5 37. Nb2 g4 38. Nd1 Nd6 39. Ke3 Kf5 40. Nb2 Kg5 41. Na4 Nb5 42. g3 f5 43. f4+ Kf6 44. Kd2 Nd6 45. Nc5 Ke7 46. Na4 Ke6 47. Nc5+ Ke7 1/2-1/2

[Event "BRA North Region-ch 10th"]
[Site "Manaus"]
[Date "2007.06.??"]
[Round "7"]
[White "Bernardino, Hugo Barros"]
[Black "Barbosa, Celio Oliveira"]
[Result "0-1"]
[ECO "A07"]
[PlyCount "52"]
[EventDate "2007.06.07"]
[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 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 0-0 5. d3 d5 6. Nbd2 c6 7. e4 dxe4 8. dxe4 Qc7 9. Nc4 Be6 10. Bf4 Qc8 11. Qe2 b5 12. Na5 Nh5 13. Be5 Bxe5 14. Nxe5 Qc7 15. Nexc6 Nxc6 16. Nxc6 Qxc6 17. e5 Bd5 18. Bxd5 Qxd5 19. Rfd1 Qc6 20. Rd4 Rfd8 21. Rad1 Rxd4 22. Rxd4 Rc8 23. g4 Ng7 24. h4 Ne6 25. Rd2 Nf4 26. Qf1 Qf3 0-1

[Event "BRA North Region-ch 10th"]
[Site "Manaus"]
[Date "2007.06.??"]
[Round "5"]
[White "De Oliveira, Leonardo Souza A"]
[Black "Barbosa, Celio Oliveira"]
[Result "1/2-1/2"]
[ECO "D78"]
[PlyCount "97"]
[EventDate "2007.06.07"]
[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 d5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. c4 c6 6. 0-0 0-0 7. b3 Bf5 8. Bb2 Qc8 9. Nc3 Bh3 10. Rc1 Bxg2 11. Kxg2 Qd8 12. Re1 Na6 13. e4 dxe4 14. Nxe4 Re8 15. Qd2 Nc7 16. Rcd1 Rc8 17. Qb4 Nxe4 18. Rxe4 Qd6 19. Qe1 Rcd8 20. Bc3 f6 21. Bb4 Qd7 22. Bxe7 Rc8 23. Bb4 Qf5 24. Rxe8+ Rxe8 25. Qd2 b5 26. Bd6 Ne6 27. Re1 Rd8 28. Bb4 c5 29. d5 cxb4 30. Rxe6 bxc4 31. bxc4 Qxe6 32. dxe6 Rxd2 33. Nxd2 Kf8 34. Nb3 Ke7 35. Nd4 f5 36. Nc6+ Kxe6 37. Nxb4 Ke5 38. Kf3 Kd4 39. Nc6+ Kxc4 40. Nxa7 Kc5 41. Kf4 h6 42. h4 Bd4 43. h5 gxh5 44. f3 Bf6 45. Kxf5 h4 46. gxh4 Bxh4 47. f4 Bg5 48. fxg5 hxg5 49. Kxg5 1/2-1/2

