[Event "Batatais op 2nd"]
[Site "Batatais"]
[Date "2011.12.18"]
[Round "6"]
[White "Da Costa, Joao Carlos"]
[Black "Bonvini, Alberto Tonhati"]
[Result "1/2-1/2"]
[ECO "C59"]
[WhiteElo "1946"]
[BlackElo "1840"]
[PlyCount "63"]
[EventDate "2011.12.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Be2 h6 9. Nf3 e4 10. Ne5 Bd6 11. f4 exf3 12. Nxf3 0-0 13. d4 Re8 14. 0-0 Qc7 15. c3 Bg4 16. Nbd2 Nd5 17. Nc4 Bxf3 18. Rxf3 Bxh2+ 19. Kh1 Nxc4 20. Bxc4 Re7 21. Bd2 Bd6 22. Qb3 Rb8 23. Qc2 Nf6 24. Raf1 Re4 25. Bxf7+ Qxf7 26. Qxe4 Nxe4 27. Rxf7 Ng3+ 28. Kg1 Nxf1 29. Rxf1 Rxb2 30. Rd1 Rxa2 31. Kf1 a5 32. c4 1/2-1/2

[Event "Batatais op 2nd"]
[Site "Batatais"]
[Date "2011.12.18"]
[Round "5"]
[White "Pasqua, Mauricio Coragem"]
[Black "Da Costa, Joao Carlos"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "1674"]
[BlackElo "1946"]
[PlyCount "53"]
[EventDate "2011.12.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 e6 3. g3 d5 4. d4 Be7 5. Bg2 c6 6. cxd5 exd5 7. Nf3 0-0 8. 0-0 Re8 9. Bg5 Nbd7 10. Rc1 Nf8 11. e3 Bg4 12. Qb3 b6 13. Ne5 Bd7 14. Rfd1 Ne6 15. Bxf6 Bxf6 16. Nxd7 Qxd7 17. Bh3 Qe7 18. Na4 Ng5 19. Bg2 Rac8 20. Rd2 Rc7 21. Rdc2 Qd6 22. Nc3 Rec8 23. Ne2 Ne6 24. Bh3 g5 25. Qd3 h5 26. Bf5 Kg7 27. Kg2 1/2-1/2

[Event "Batatais op 2nd"]
[Site "Batatais"]
[Date "2011.12.17"]
[Round "4"]
[White "Da Costa, Joao Carlos"]
[Black "Tsuboi, Edson Kenji"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1946"]
[BlackElo "2332"]
[PlyCount "30"]
[EventDate "2011.12.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 e6 4. d3 d5 5. e5 Nge7 6. Bg5 a6 7. a4 Qb6 8. Bxe7 Qxb2 9. Nxd5 exd5 10. Bd6 Qc3+ 11. Nd2 Nd4 12. Rc1 Bxd6 13. exd6 0-0 14. f3 Nf5 15. g4 Re8+ 0-1

[Event "Batatais op 2nd"]
[Site "Batatais"]
[Date "2011.12.17"]
[Round "3"]
[White "Guimaraes, Lucas dos S Peixoto"]
[Black "Da Costa, Joao Carlos"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1884"]
[BlackElo "1946"]
[PlyCount "90"]
[EventDate "2011.12.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Nf6 5. 0-0 d6 6. Nxd4 Bd7 7. c3 Be7 8. Qb3 0-0 9. Nd2 Na5 10. Qc2 Nxc4 11. Nxc4 c5 12. Nf5 Bxf5 13. exf5 b5 14. Ne3 a5 15. c4 bxc4 16. Nxc4 d5 17. Ne5 Bd6 18. Bf4 Qc7 19. Rfe1 Nh5 20. g3 Nxf4 21. gxf4 f6 22. Qd3 fxe5 23. Qxd5+ Kh8 24. fxe5 Be7 25. Re3 Rad8 26. Qf3 Rd4 27. Kh1 Qd7 28. e6 Qd5 29. Rae1 Rxf5 30. Qxd5 Rdxd5 31. Rb3 Rd8 32. Rb7 Re8 33. Rd1 Kg8 34. Rdd7 Kf8 35. Kg2 Re5 36. Rb6 c4 37. Rd4 Bc5 38. Rf4+ Kg8 39. Rb5 R8xe6 40. Rxc4 Rg5+ 41. Kf3 Rf5+ 42. Kg4 Ree5 43. Rxa5 h5+ 44. Kh3 Rf3+ 45. Kg2 Rxf2+ 0-1

[Event "Batatais op 2nd"]
[Site "Batatais"]
[Date "2011.12.16"]
[Round "2"]
[White "Da Costa, Joao Carlos"]
[Black "Maia, Luciano Malta"]
[Result "0-1"]
[ECO "A04"]
[WhiteElo "1946"]
[BlackElo "2282"]
[PlyCount "112"]
[EventDate "2011.12.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Nc3 g6 4. g3 Bg7 5. Bg2 e6 6. 0-0 Nge7 7. Re1 d6 8. d3 0-0 9. Bd2 Rb8 10. Qc1 Re8 11. Rb1 b5 12. a3 a5 13. Bf4 b4 14. axb4 axb4 15. Nd1 Ba6 16. Ra1 Bb5 17. Bh6 Bh8 18. Ne3 Nd4 19. Nxd4 cxd4 20. Nf1 b3 21. Nd2 bxc2 22. Qxc2 Qd7 23. Nf3 Rec8 24. Qd2 Qb7 25. Ra2 Ra8 26. Rea1 Rxa2 27. Rxa2 Bd7 28. h3 e5 29. b4 f6 30. h4 Be6 31. Rb2 Qb5 32. Ne1 Bg7 33. Bxg7 Kxg7 34. Kh2 Rc3 35. Bf1 Nc6 36. Nc2 Bb3 37. Na1 Qxb4 38. Be2 Qa3 39. Nxb3 Rxb3 40. Rc2 Rc3 41. Rb2 Nb4 42. g4 Rb3 43. Rxb3 Qxb3 44. g5 f5 45. exf5 gxf5 46. h5 Qc3 47. Qd1 Qc2 48. Qf1 Qd2 49. f4 Nxd3 50. fxe5 dxe5 51. Qg2 e4 52. h6+ Kf8 53. Kh1 Nf4 54. Qf1 Qxe2 55. Qxf4 Qf3+ 56. Qxf3 exf3 0-1

[Event "Batatais op 2nd"]
[Site "Batatais"]
[Date "2011.12.16"]
[Round "1"]
[White "Paixao, Janaina"]
[Black "Da Costa, Joao Carlos"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "1763"]
[BlackElo "1946"]
[PlyCount "54"]
[EventDate "2011.12.16"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Bc5 5. Be3 Qf6 6. c3 Nge7 7. Bc4 Ne5 8. Bb3 d6 9. 0-0 0-0 10. Nd2 Qg6 11. Kh1 Kh8 12. f4 Ng4 13. Bf2 f5 14. Qe2 Bd7 15. e5 dxe5 16. fxe5 Nc6 17. N2f3 Rae8 18. Qc4 Bb6 19. Qd5 Ncxe5 20. Nxe5 Nxe5 21. Bg3 c6 22. Nxc6 Bxc6 23. Qd2 Be4 24. c4 Rd8 25. Qb4 f4 26. Rad1 Nd3 27. Qa3 Bc5 0-1

[Event "BRA-ch Mineiro"]
[Site "Nova Resende"]
[Date "2011.12.11"]
[Round "7.6"]
[White "Da Costa, Joao Carlos"]
[Black "Menezes, Jose Eduardo C"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1946"]
[BlackElo "1929"]
[PlyCount "107"]
[EventDate "2011.12.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Bd3 c6 4. Nf3 Nbd7 5. 0-0 e5 6. c3 g6 7. Bg5 Bg7 8. h3 0-0 9. Qc1 Re8 10. Nbd2 c5 11. d5 a6 12. a4 b6 13. Nh2 Qc7 14. f4 h6 15. Bxf6 Nxf6 16. g4 exf4 17. Rxf4 Rb8 18. Qf1 Qe7 19. Re1 g5 20. Rf2 b5 21. axb5 axb5 22. Bxb5 Bd7 23. Bxd7 Nxd7 24. Nc4 Ne5 25. Ne3 Qf8 26. Nf5 Bh8 27. Qa6 Red8 28. Ref1 Rd7 29. Kg2 Ng6 30. Nf3 Nf4+ 31. Kg3 Rdb7 32. h4 Rb6 33. Qc4 Rxb2 34. hxg5 hxg5 35. Nxg5 Ng6 36. Nxf7 Be5+ 37. Nxe5 Nxe5 38. Qa6 R8b6 39. Qa1 Rxf2 40. Rxf2 Qb8 41. Qc1 Nf7 42. Nh6+ Nxh6 43. Qxh6 Rb7 44. Qe6+ Kg7 45. g5 Qd8 46. Qh6+ Kg8 47. Qg6+ Rg7 48. Qe6+ Kh8 49. Rh2+ Rh7 50. Rxh7+ Kxh7 51. Qf7+ Kh8 52. Qf6+ Qxf6 53. gxf6 Kg8 54. Kf4 1-0

[Event "BRA-ch Mineiro"]
[Site "Nova Resende"]
[Date "2011.12.10"]
[Round "5.4"]
[White "Da Costa, Joao Carlos"]
[Black "Marques, Joao Paulo Cassemir"]
[Result "0-1"]
[ECO "B24"]
[WhiteElo "1946"]
[BlackElo "2097"]
[PlyCount "94"]
[EventDate "2011.12.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. Nc3 Bg7 4. d3 e6 5. g3 Ne7 6. Bg2 0-0 7. 0-0 Nbc6 8. Re1 d6 9. Rb1 b6 10. a3 Bb7 11. Bd2 Rc8 12. Qc1 d5 13. e5 d4 14. Ne4 Nxe5 15. Nxe5 Bxe5 16. Bh6 Re8 17. Qg5 Nf5 18. Qxd8 Rexd8 19. Bg5 Re8 20. g4 Ne7 21. f4 Bxe4 22. Rxe4 Bg7 23. Rbe1 Nd5 24. f5 Nc7 25. f6 h6 26. Bh4 Bh8 27. g5 Nd5 28. gxh6 Bxf6 29. Bxf6 Nxf6 30. Rf4 Nh5 31. Rf2 e5 32. Ref1 Nf4 33. h4 Kh7 34. Kh2 Kxh6 35. Bf3 Kg7 36. Kg3 Rh8 37. Rh1 Rh6 38. b4 c4 39. dxc4 Rxc4 40. Be4 f5 41. Bd3 Rc3 42. Rxf4 exf4+ 43. Kxf4 Kf6 44. a4 Rxh4+ 45. Rxh4 g5+ 46. Kg3 gxh4+ 47. Kxh4 Ra3 0-1

[Event "BRA-ch Mineiro"]
[Site "Nova Resende"]
[Date "2011.12.10"]
[Round "6.5"]
[White "Lapertosa Viana, Julio"]
[Black "Da Costa, Joao Carlos"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2133"]
[BlackElo "1946"]
[PlyCount "117"]
[EventDate "2011.12.08"]
[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 e6 3. Nc3 d5 4. cxd5 exd5 5. Bg5 Be7 6. e3 h6 7. Bf4 c6 8. Bd3 Nbd7 9. Nf3 Nh5 10. Bg3 Nxg3 11. hxg3 Bf6 12. Qc2 a5 13. e4 dxe4 14. Bxe4 0-0 15. Rd1 Re8 16. 0-0 Nb6 17. d5 cxd5 18. Bxd5 Qc7 19. Rfe1 Bg4 20. Rxe8+ Rxe8 21. Qb3 Rd8 22. Bxf7+ Qxf7 23. Rxd8+ Bxd8 24. Qxf7+ Kxf7 25. Ne5+ Ke6 26. Nxg4 Nc4 27. b3 Ne5 28. Ne3 Nd3 29. Ne2 g5 30. Kf1 b5 31. Nd4+ Kf6 32. Nxb5 Nc1 33. Nc3 Nd3 34. Ke2 Nc5 35. Ng4+ Kg6 36. Ne5+ Kf5 37. Nd3 Ne6 38. Nb5 Be7 39. Ke3 h5 40. Nd4+ Kf6 41. Nxe6 Kxe6 42. Ke4 Bd6 43. Nb2 Bc5 44. Nd3 Bd6 45. f4 Kf6 46. a4 Be7 47. Ne5 Bb4 48. fxg5+ Kxg5 49. Kf3 Kf5 50. Nc4 Bc3 51. Ne3+ Ke5 52. g4 hxg4+ 53. Nxg4+ Kd4 54. Nf2 Bb4 55. Ne4 Kd3 56. g4 Be7 57. g5 Bxg5 58. Nc5+ Kc3 59. Nb7 1/2-1/2

[Event "BRA-ch Mineiro"]
[Site "Nova Resende"]
[Date "2011.12.09"]
[Round "2.4"]
[White "Batista, Gerson Peres"]
[Black "Da Costa, Joao Carlos"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "2210"]
[BlackElo "1946"]
[PlyCount "69"]
[EventDate "2011.12.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. 0-0 h6 6. c3 d6 7. h3 Na5 8. Bb5+ Bd7 9. Bxd7+ Qxd7 10. Re1 0-0 11. Nbd2 Nh7 12. d4 exd4 13. Nxd4 f5 14. Nxf5 Bg5 15. Nf3 Bxc1 16. Rxc1 Qf7 17. Qd5 Qxd5 18. Ne7+ Kh8 19. Nxd5 Rf7 20. e5 c6 21. Ne3 d5 22. b4 Nc4 23. Nxc4 dxc4 24. Rcd1 Nf8 25. Rd4 b5 26. Rd6 a5 27. a3 axb4 28. axb4 Ra3 29. Re3 Ra6 30. e6 Re7 31. Nd4 Rb6 32. Nf5 Re8 33. e7 Nh7 34. Rd8 Nf6 35. Nd6 1-0

[Event "BRA-ch Mineiro"]
[Site "Nova Resende"]
[Date "2011.12.09"]
[Round "4.8"]
[White "Costa, Luiz Henrique Silva"]
[Black "Da Costa, Joao Carlos"]
[Result "0-1"]
[ECO "C55"]
[BlackElo "1946"]
[PlyCount "36"]
[EventDate "2011.12.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Nxe4 5. Bxf7+ Kxf7 6. Nxe4 d5 7. Neg5+ Kg8 8. d3 h6 9. Nh3 Bg4 10. Nhg1 e4 11. dxe4 dxe4 12. Qxd8 Rxd8 13. Nd2 Nd4 14. Rb1 Nxc2+ 15. Kf1 Bb4 16. f3 e3 17. Nc4 Bf5 18. g4 Bd3+ 0-1

[Event "BRA-ch Mineiro"]
[Site "Nova Resende"]
[Date "2011.12.09"]
[Round "3.11"]
[White "Da Costa, Joao Carlos"]
[Black "De Freitas, Rames Fialho"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "1946"]
[PlyCount "45"]
[EventDate "2011.12.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. c4 c6 3. Nc3 d5 4. cxd5 exd5 5. exd5 cxd5 6. d4 Nf6 7. Nf3 Be7 8. Bb5+ Bd7 9. Bxd7+ Nbxd7 10. 0-0 0-0 11. Ne5 Nb6 12. f4 Rc8 13. g4 Ne4 14. Nxe4 dxe4 15. Re1 Qd5 16. g5 Rfd8 17. Be3 f6 18. gxf6 gxf6 19. Ng4 Nc4 20. Kh1 h5 21. Nh6+ Kh7 22. f5 Nxe3 23. Qxh5 1-0

[Event "BRA-ch Mineiro"]
[Site "Nova Resende"]
[Date "2011.12.08"]
[Round "1.13"]
[White "Da Costa, Joao Carlos"]
[Black "Rodrigues, Jonathan"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1946"]
[PlyCount "63"]
[EventDate "2011.12.08"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. 0-0 Nf6 5. Re1 0-0 6. c3 d6 7. h3 a6 8. a4 h6 9. d4 b6 10. Nbd2 Bd7 11. Nf1 Na5 12. Ba2 Re8 13. dxe5 dxe5 14. Nxe5 Be6 15. Bxe6 fxe6 16. Qc2 Bd6 17. b4 Bxe5 18. bxa5 bxa5 19. f4 Bd6 20. Be3 e5 21. f5 c5 22. Nd2 Qc7 23. Nc4 Kh8 24. g4 Rab8 25. Re2 Rg8 26. Rd1 Rgd8 27. g5 Ng8 28. Rg2 Be7 29. h4 Rxd1+ 30. Qxd1 Qb7 31. Nxe5 Qxe4 32. Nf7+ 1-0

[Event "Nova Odessa IRT Regional 1st"]
[Site "Nova Odessa"]
[Date "2011.08.07"]
[Round "6.5"]
[White "Cardozo, Matheus Santos"]
[Black "Da Costa, Joao Carlos"]
[Result "1/2-1/2"]
[ECO "C58"]
[WhiteElo "1709"]
[BlackElo "1967"]
[PlyCount "23"]
[EventDate "2011.08.05"]
[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 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Qf3 h6 9. Ne4 Bb7 10. Nxf6+ gxf6 11. Ba4 Be7 12. d3 1/2-1/2

[Event "Nova Odessa IRT Regional 1st"]
[Site "Nova Odessa"]
[Date "2011.08.07"]
[Round "5.2"]
[White "Da Costa, Joao Carlos"]
[Black "Kina, Caio Garcia"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "1967"]
[BlackElo "1859"]
[PlyCount "83"]
[EventDate "2011.08.05"]
[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 g6 2. d4 Bg7 3. f4 d6 4. Nf3 Nd7 5. Bc4 e6 6. 0-0 Ne7 7. Ng5 Nf6 8. Nc3 d5 9. Bb3 dxe4 10. Be3 Nf5 11. Qe2 h6 12. Nh3 Ng4 13. Bf2 Nxf2 14. Nxf2 e3 15. Ng4 Nxd4 16. Qc4 Nxb3 17. Qxb3 Qd4 18. Kh1 0-0 19. Rad1 Qc5 20. Ne2 h5 21. Nxe3 b6 22. Rd2 Ba6 23. Rfd1 Bxb2 24. Qxb2 Qxe3 25. Qc1 Bxe2 26. Re1 Qxf4 27. Rexe2 Rad8 28. Rf2 Qg5 29. Qe1 Rd6 30. Rxd6 cxd6 31. h3 Rc8 32. Qf1 Rc7 33. Qd3 Qe5 34. Re2 Qd5 35. Qa6 Qd1+ 36. Kh2 Kg7 37. Rf2 Rxc2 38. Rxc2 Qxc2 39. Qxa7 Qc5 40. Qa4 e5 41. Qe4 b5 42. h4 0-1

[Event "Nova Odessa IRT Regional 1st"]
[Site "Nova Odessa"]
[Date "2011.08.06"]
[Round "2.4"]
[White "Chaves, Vagner"]
[Black "Da Costa, Joao Carlos"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "1646"]
[BlackElo "1967"]
[PlyCount "93"]
[EventDate "2011.08.05"]
[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. d3 d5 5. Nbd2 0-0 6. 0-0 Re8 7. Re1 c6 8. e4 dxe4 9. dxe4 Na6 10. Qe2 b6 11. Nb3 e5 12. Bd2 Be6 13. Bc3 Nd7 14. Rad1 Qc7 15. Qe3 b5 16. Bf1 Qb7 17. Rd6 b4 18. Bxa6 Qxa6 19. Bxb4 Bf8 20. Rxe6 Rxe6 21. Bxf8 Rxf8 22. Qh6 Rd6 23. a3 Rd8 24. Nc5 Nxc5 25. Ng5 Rf6 26. h4 Ne6 27. Nxh7 Rf3 28. Kg2 Nd4 29. c3 Qd3 30. cxd4 Rxd4 31. Re3 Rxf2+ 32. Kxf2 Qd2+ 33. Kf1 Qc1+ 34. Kg2 Rd2+ 35. Kh3 Qf1+ 36. Kg4 Rf2 37. h5 gxh5+ 38. Kg5 c5 39. Nf6+ Rxf6 40. Qxf6 Qc1 41. Qf2 Kg7 42. Kxh5 Qd1+ 43. Qf3 Qd6 44. Qg4+ Kh7 45. Qf5+ Kg7 46. Qg5+ Kf8 47. Qh6+ 1-0

[Event "Nova Odessa IRT Regional 1st"]
[Site "Nova Odessa"]
[Date "2011.08.06"]
[Round "3.5"]
[White "Da Costa, Joao Carlos"]
[Black "Horta, Marcio Rodrigues"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1967"]
[BlackElo "1993"]
[PlyCount "57"]
[EventDate "2011.08.05"]
[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 e6 2. c4 c5 3. Nf3 Nc6 4. Nc3 Nge7 5. Be2 g6 6. d4 cxd4 7. Nb5 d6 8. Nfxd4 a6 9. Nxe6 Bxe6 10. Nxd6+ Qxd6 11. Qxd6 Nf5 12. Qd1 Rd8 13. Qxd8+ Kxd8 14. exf5 Bxf5 15. Bg5+ Kc8 16. 0-0 Bg7 17. g4 Bc2 18. Rac1 Nd4 19. Rfe1 Re8 20. Be3 Ba4 21. b3 Bd7 22. Bxd4 Bxd4 23. Bf3 Rf8 24. Rcd1 Bc3 25. Re7 Be6 26. Bxb7+ Kb8 27. Bf3 Bf6 28. Rb7+ Kc8 29. Ra7 1-0

[Event "Nova Odessa IRT Regional 1st"]
[Site "Nova Odessa"]
[Date "2011.08.06"]
[Round "4.4"]
[White "Petri, Luiz Sergio Gervenk"]
[Black "Da Costa, Joao Carlos"]
[Result "0-1"]
[ECO "C60"]
[WhiteElo "1723"]
[BlackElo "1967"]
[PlyCount "110"]
[EventDate "2011.08.05"]
[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. Bb5 Qf6 4. Nc3 Nge7 5. d3 h6 6. 0-0 g5 7. Ne2 d6 8. d4 a6 9. dxe5 dxe5 10. Ba4 Bg4 11. Ne1 Rd8 12. Bd2 b5 13. Bb3 Nd4 14. f3 Nxb3 15. axb3 Bc8 16. Nd3 Ng6 17. Qe1 Bd6 18. Nb4 0-0 19. Nd5 Qe6 20. Ne3 Bc5 21. Kh1 Qc6 22. Rc1 Be6 23. Ng3 Rd7 24. Nef5 Kh7 25. b4 Bb6 26. b3 Rfd8 27. Be3 Bxe3 28. Nxe3 Nf4 29. Ne2 Rd2 30. Ng3 h5 31. Rf2 Rxf2 32. Qxf2 Bxb3 33. Qe1 Be6 34. Ngf5 Bxf5 35. Nxf5 Qd7 36. h4 g4 37. fxg4 hxg4 38. Qg3 Rg8 39. Qe3 g3 40. c3 Qd3 41. Qxd3 Nxd3 42. Ra1 Rg6 43. h5 Rg5 44. Kg1 Nf4 45. Ra2 Nxh5 46. Rxa6 Nf4 47. Kf1 Ne6 48. Ra5 Rg4 49. Rxb5 Rf4+ 50. Kg1 Rxe4 51. Nxg3 Re3 52. c4 Rxg3 53. Rxe5 Rg4 54. Rf5 Kg6 55. Ra5 Rxc4 0-1

[Event "Nova Odessa IRT Regional 1st"]
[Site "Nova Odessa"]
[Date "2011.08.05"]
[Round "1.5"]
[White "Da Costa, Joao Carlos"]
[Black "Correia, Vitor Paie"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "1967"]
[BlackElo "1764"]
[PlyCount "67"]
[EventDate "2011.08.05"]
[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 c6 2. c4 d5 3. cxd5 cxd5 4. Qa4+ Bd7 5. Qb3 Bc6 6. e5 e6 7. d4 Ne7 8. Nf3 h6 9. Bd3 Qc7 10. 0-0 Bd7 11. Nc3 a6 12. Bd2 Nbc6 13. Na4 g6 14. Rac1 Bg7 15. Nb6 Rb8 16. Ba5 0-0 17. Nxd7 Qxd7 18. Bb6 Rbc8 19. Qa4 Nf5 20. b4 Qe7 21. Bc5 Qe8 22. Bxf8 Qxf8 23. Bxf5 exf5 24. Qb3 Rb8 25. a3 Ne7 26. Rc7 Nc6 27. Qxd5 Qe8 28. Qd7 Qf8 29. Rxb7 Rxb7 30. Qxb7 Ne7 31. Qxa6 h5 32. Rc1 Bh6 33. Rc7 Nd5 34. Rc8 1-0

[Event "Maringa op"]
[Site "Maringa"]
[Date "2011.07.03"]
[Round "7"]
[White "Abdulla, Samir Tawfeiq"]
[Black "Da Costa, Joao Carlos"]
[Result "1/2-1/2"]
[ECO "D30"]
[BlackElo "1967"]
[PlyCount "82"]
[EventDate "2011.06.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. g3 c6 5. Qc2 g6 6. Bg2 Bg7 7. 0-0 0-0 8. Bg5 Nbd7 9. Nbd2 h6 10. Bf4 dxc4 11. Nxc4 Nd5 12. Bd6 Re8 13. e4 b5 14. exd5 bxc4 15. dxc6 Nb6 16. Bc5 Qc7 17. Rfe1 Nd5 18. Qxc4 Qxc6 19. Ne5 Bxe5 20. Rxe5 Ba6 21. Bxd5 exd5 22. Qxd5 Qxd5 23. Rxd5 Re2 24. b3 g5 25. Re5 g4 26. Rxe2 Bxe2 27. Re1 Bf3 28. Re7 a6 29. Kf1 Kg7 30. Ra7 Re8 31. Re7 Rc8 32. Ke1 Kf6 33. Re5 Kg6 34. Kd2 Rc6 35. Kc3 Re6 36. Rxe6+ fxe6 37. b4 Kf5 38. Bd6 Bc6 39. Kd3 h5 40. a3 Bb5+ 41. Ke3 Bc6 1/2-1/2

[Event "Maringa op"]
[Site "Maringa"]
[Date "2011.07.03"]
[Round "6"]
[White "Da Costa, Joao Carlos"]
[Black "Rodrigues, Tiago Pereira"]
[Result "0-1"]
[ECO "B50"]
[WhiteElo "1967"]
[BlackElo "2122"]
[PlyCount "86"]
[EventDate "2011.06.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. b4 cxb4 4. d4 Nf6 5. Bd3 g6 6. a3 bxa3 7. Nxa3 Bg7 8. 0-0 0-0 9. h3 Nc6 10. c3 b6 11. Re1 e5 12. Bb5 Bb7 13. Nc4 exd4 14. cxd4 Nxe4 15. Rxe4 d5 16. Bg5 f6 17. Re6 dxc4 18. Bf4 Na5 19. Bd6 Bd5 20. Be7 Bxe6 21. Bxd8 Rfxd8 22. Qe1 Bf7 23. Ba6 Rd7 24. Qc3 Rc7 25. Re1 Nb3 26. Rb1 Na5 27. Rd1 Rd8 28. Bb5 Bd5 29. Re1 Bf7 30. Ba4 Nb7 31. Bc2 Nd6 32. Nd2 Nb5 33. Qg3 Rcc8 34. Nf3 Nxd4 35. Nxd4 Rxd4 36. Re7 Rd2 37. Qc3 Rxc2 38. Qxc2 a5 39. Rb7 c3 40. Rxb6 a4 41. Ra6 Bb3 42. Qc1 c2 43. Ra7 Bh6 0-1

[Event "Maringa op"]
[Site "Maringa"]
[Date "2011.07.02"]
[Round "4"]
[White "Da Costa, Joao Carlos"]
[Black "Popovicz, Sandro Jose"]
[Result "1-0"]
[ECO "C43"]
[WhiteElo "1967"]
[PlyCount "55"]
[EventDate "2011.06.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. d4 Nxe4 4. dxe5 d5 5. Bd3 Be7 6. 0-0 Nc6 7. c3 Bg4 8. Qc2 Bxf3 9. gxf3 Nc5 10. Bb5 Bg5 11. f4 Bh6 12. Be3 Ne6 13. f5 Nf4 14. Kh1 Qh4 15. Nd2 0-0 16. Bxc6 bxc6 17. Rg1 Nh3 18. Nf3 Qh5 19. Rg3 Kh8 20. Rd1 g5 21. Rd4 Rg8 22. Rdg4 Nf4 23. Kg1 f6 24. exf6 Raf8 25. Bd4 Rf7 26. h4 Re8 27. Be5 Bf8 28. Rxg5 1-0

[Event "Maringa op"]
[Site "Maringa"]
[Date "2011.07.02"]
[Round "5"]
[White "Proudian, Armen"]
[Black "Da Costa, Joao Carlos"]
[Result "1/2-1/2"]
[ECO "C28"]
[WhiteElo "2115"]
[BlackElo "1967"]
[PlyCount "109"]
[EventDate "2011.06.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. Nc3 Nc6 4. d3 Be7 5. f4 d6 6. Nf3 Bg4 7. h3 Bxf3 8. Qxf3 Nd4 9. Qf2 c6 10. 0-0 b5 11. Bb3 a5 12. g4 Qd7 13. Kg2 Nxg4 14. hxg4 Qxg4+ 15. Kh1 Bh4 16. Qg2 Qxg2+ 17. Kxg2 a4 18. Bxf7+ Kxf7 19. fxe5+ Ke6 20. exd6 b4 21. Nd1 Nxc2 22. Rb1 Ne1+ 23. Kh3 g5 24. Bxg5 Bxg5 25. Rxe1 Raf8 26. Rg1 h6 27. a3 Rf3+ 28. Rg3 Rxg3+ 29. Kxg3 c5 30. Ra1 Ra8 31. Nf2 Bf6 32. Rb1 Rb8 33. axb4 Rxb4 34. d7 Kxd7 35. Rc1 Bd4 36. Nd1 Rb3 37. Kf3 Rxd3+ 38. Ke2 Rb3 39. Kd2 Kd6 40. Ke2 Rg3 41. Nc3 Bxc3 42. bxc3 Rg2+ 43. Kd3 a3 44. Rh1 Rg6 45. Ra1 Ke5 46. Rxa3 h5 47. Kc4 h4 48. Kxc5 h3 49. c4 Rh6 50. Ra1 Kxe4 51. Kb5 h2 52. Rh1 Kf3 53. c5 Kg2 54. Rxh2+ Kxh2 55. c6 1/2-1/2

[Event "Maringa op"]
[Site "Maringa"]
[Date "2011.07.01"]
[Round "2"]
[White "Da Costa, Joao Carlos"]
[Black "Dias, Anderson Tatsch"]
[Result "0-1"]
[ECO "B22"]
[WhiteElo "1967"]
[BlackElo "2216"]
[PlyCount "66"]
[EventDate "2011.06.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 Nf6 4. e5 Nd5 5. a4 d6 6. Bb5+ Bd7 7. 0-0 Nc6 8. Re1 Nxe5 9. Nxe5 dxe5 10. d4 exd4 11. cxd4 Bxb5 12. axb5 Be7 13. dxc5 Bxc5 14. Nc3 Nxc3 15. Qxd8+ Kxd8 16. bxc3 Ke7 17. Be3 Rhc8 18. Ra4 Bxe3 19. Rxe3 Rc5 20. c4 Rac8 21. Rc3 Rxb5 22. cxb5 Rxc3 23. Kf1 Rb3 24. Ra5 Kd6 25. f4 Kc7 26. Rxa7 Rxb5 27. Ra8 Rf5 28. g3 e5 29. Ke2 exf4 30. g4 f3+ 31. Kf2 Rf6 32. Rf8 b5 33. h4 b4 0-1

[Event "Maringa op"]
[Site "Maringa"]
[Date "2011.07.01"]
[Round "3"]
[White "Da Silva, Daniel Leite"]
[Black "Da Costa, Joao Carlos"]
[Result "1/2-1/2"]
[ECO "C42"]
[BlackElo "1967"]
[PlyCount "147"]
[EventDate "2011.06.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. e3 exd4 4. exd4 Nf6 5. Nf3 Be7 6. Be2 0-0 7. 0-0 dxc4 8. Bxc4 Bg4 9. h3 Bh5 10. Nc3 Nc6 11. d5 Na5 12. Be2 b6 13. a3 h6 14. Bf4 Nb7 15. Rc1 Nd6 16. Ne5 Bxe2 17. Qxe2 Re8 18. Nc6 Qd7 19. Qd3 Bf8 20. Rc2 a5 21. Rfc1 Nde4 22. Rd1 Bc5 23. b4 axb4 24. axb4 Bd6 25. Be3 Ra3 26. Qc4 Nxc3 27. Rxc3 Rxc3 28. Qxc3 Qf5 29. Qd3 Qxd3 30. Rxd3 Re4 31. Bd2 Rc4 32. Kf1 Ne4 33. Be1 Rc2 34. Rd4 Nf6 35. Bd2 Nxd5 36. Rxd5 Rxc6 37. Rd4 g5 38. Ke2 Be5 39. Re4 f6 40. Kf3 Kf7 41. g4 Ke6 42. h4 Kd5 43. Re3 Rc2 44. Rd3+ Kc4 45. Ke4 Rxd2 46. Rxd2 Kxb4 47. Kf5 c5 48. Re2 c4 49. Kg6 gxh4 50. Kf5 Kb3 51. f4 Bc3 52. Rh2 Be1 53. Kxf6 Bg3 54. Rh3 c3 55. g5 hxg5 56. fxg5 c2 57. Rh1 Bf2 58. Ke5 Kc3 59. Rh3+ Kc4 60. Rh1 Kd3 61. g6 Be3 62. Kf5 Bd4 63. Rh3+ Kd2 64. Rh2+ Kc1 65. Ke4 Kb1 66. Rh1+ c1Q 67. Rxc1+ Kxc1 68. Kxd4 h3 69. g7 h2 70. g8Q h1Q 71. Qc4+ Kb1 72. Qb3+ Kc1 73. Qc3+ Kb1 74. Qb3+ 1/2-1/2

[Event "Maringa op"]
[Site "Maringa"]
[Date "2011.06.30"]
[Round "1"]
[White "Hoshino, Meilin"]
[Black "Da Costa, Joao Carlos"]
[Result "0-1"]
[ECO "A85"]
[BlackElo "1967"]
[PlyCount "78"]
[EventDate "2011.06.30"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. Nf3 Bb4 5. Bg5 0-0 6. Bxf6 Qxf6 7. e3 d6 8. a3 Bxc3+ 9. bxc3 b6 10. Bd3 c5 11. dxc5 Qxc3+ 12. Nd2 Qxd3 13. cxb6 axb6 14. f3 Qxe3+ 15. Qe2 Qxe2+ 16. Kxe2 Nc6 17. Rab1 Rxa3 18. Rxb6 Nd4+ 19. Ke1 Re3+ 20. Kd1 d5 21. Nf1 Rc3 22. cxd5 exd5 23. Ng3 Nxf3 24. gxf3 Rxf3 25. Rg1 Ra3 26. Nh5 Ra1+ 27. Kd2 Rxg1 28. Rc6 Rg2+ 29. Kd3 Rxh2 30. Nf4 Re8 31. Kd4 Rd2+ 32. Kc5 Rc2+ 33. Kxd5 Bb7 34. Kd6 Bxc6 35. Kc7 Ba4+ 36. Kb7 Rc6 37. Nd3 Re7+ 38. Kb8 Rf6 39. Kc8 Rf8# 0-1

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2011.03.08"]
[Round "7"]
[White "Da Costa, Joao Carlos"]
[Black "Costa, Giovanni de Almeida"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "1973"]
[BlackElo "1889"]
[PlyCount "100"]
[EventDate "2011.03.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c6 2. c4 d5 3. cxd5 cxd5 4. Qa4+ Bd7 5. Qb3 Bc6 6. Nf3 Nf6 7. e5 Ne4 8. d4 e6 9. Nc3 Qa5 10. a3 Nxc3 11. bxc3 Nd7 12. Bd3 Nb6 13. Bd2 Qa4 14. Qxa4 Bxa4 15. 0-0 Be7 16. Rfc1 Rc8 17. Bg5 Bxg5 18. Nxg5 h6 19. Nf3 Kd7 20. Rab1 Rc7 21. Rb4 Rhc8 22. c4 dxc4 23. Be4 Bc6 24. Bxc6+ Rxc6 25. Nd2 R8c7 26. Ne4 Nd5 27. Rb5 b6 28. g3 c3 29. Nd6 Ke7 30. Kf1 f6 31. Ke2 fxe5 32. dxe5 a6 33. Rb3 b5 34. Kd3 c2 35. Kd2 Rc3 36. Rxc3 Rxc3 37. Ne4 Rxa3 38. Rxc2 a5 39. Rc6 b4 40. Ra6 b3 41. Ra7+ Kf8 42. Kc1 Ra2 43. Nd6 Rc2+ 44. Kd1 Nc3+ 45. Ke1 b2 46. Ra8+ Ke7 47. Ra7+ Kd8 48. Ra8+ Kd7 49. Ra7+ Kc6 50. Ra6+ Kd5 0-1

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2011.03.07"]
[Round "5"]
[White "Da Costa, Joao Carlos"]
[Black "Krongold, Breno"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "1973"]
[BlackElo "1697"]
[PlyCount "85"]
[EventDate "2011.03.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. d3 d6 6. c3 Na5 7. Bb5+ Nc6 8. d4 Bb6 9. d5 a6 10. Ba4 Bd7 11. dxc6 bxc6 12. Qe2 h6 13. Be3 0-0 14. h3 Nh7 15. Nbd2 Kh8 16. Nc4 Bxe3 17. Nxe3 g6 18. Rfd1 Ng5 19. Nc4 Nxf3+ 20. Qxf3 f6 21. Qg3 Kh7 22. Rd2 Qe7 23. Rad1 Rf7 24. Na5 c5 25. Bxd7 Qxd7 26. Nb3 Qa4 27. Qd3 f5 28. Qd5 Raf8 29. Re2 fxe4 30. Nc1 e3 31. fxe3 Qh4 32. Qd2 Rf5 33. Qe1 Qh5 34. Kh2 Qg5 35. Nd3 Qf6 36. e4 Rh5 37. Rf2 Qe7 38. Rxf8 Qxf8 39. g4 Rg5 40. Qe2 h5 41. Rf1 Qe7 42. Ne1 Qd7 43. Qe3 1-0

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2011.03.07"]
[Round "6"]
[White "Veloso, Jose Carlos de Barr"]
[Black "Da Costa, Joao Carlos"]
[Result "0-1"]
[ECO "D30"]
[BlackElo "1973"]
[PlyCount "88"]
[EventDate "2011.03.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. a3 Be7 5. e3 0-0 6. Nc3 c6 7. Qc2 Re8 8. Be2 Nbd7 9. h4 Bf8 10. Ne5 Qc7 11. f4 Nxe5 12. fxe5 Nd7 13. cxd5 cxd5 14. Bd3 f5 15. g4 g6 16. gxf5 exf5 17. Nxd5 Qxc2 18. Bxc2 Rb8 19. Rg1 Kh8 20. h5 Nb6 21. Nxb6 axb6 22. hxg6 h6 23. b4 Be6 24. Rf1 Be7 25. Bxf5 Bh4+ 26. Kd2 Kg7 27. Bxe6 Rxe6 28. Bb2 Rd8 29. Kd3 Rxg6 30. Rac1 Rd7 31. Rc8 Bd8 32. b5 h5 33. Rcc1 h4 34. Rg1 Rg3 35. Rxg3+ hxg3 36. e6 Rd5 37. e4 Rxb5 38. d5+ Rxb2 39. Rg1 Kf6 40. Kd4 Bc7 41. e7 Kxe7 42. e5 Rd2+ 43. Ke3 Rxd5 44. Ke2 Rxe5+ 0-1

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2011.03.06"]
[Round "3"]
[White "Da Costa, Joao Carlos"]
[Black "Kleine, Bruna Fernanda"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1973"]
[PlyCount "70"]
[EventDate "2011.03.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. b4 e6 3. bxc5 Bxc5 4. d4 Be7 5. Bd3 Nc6 6. c3 Qc7 7. Na3 Nxd4 8. cxd4 Qc3+ 9. Kf1 Bxa3 10. Bxa3 Qxa3 11. Nf3 b6 12. Qe2 Bb7 13. Ne5 Qc3 14. Rd1 d6 15. Bb5+ Ke7 16. Nf3 Nf6 17. e5 dxe5 18. dxe5 Nd5 19. Qe4 Rhd8 20. Qh4+ Kf8 21. Nd4 a6 22. Be2 Ne7 23. f3 Rac8 24. Kf2 g5 25. Qh6+ Ke8 26. Nxe6 fxe6 27. Qh5+ Kf8 28. Qh6+ Ke8 29. Qh5+ Ng6 30. Qxh7 Qc5+ 31. Kf1 Rxd1+ 32. Bxd1 Qc4+ 33. Kf2 Qd4+ 34. Kf1 Qxd1+ 35. Kf2 Qd2+ 0-1

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2011.03.06"]
[Round "4"]
[White "De Sousa, Matheus Mazim"]
[Black "Da Costa, Joao Carlos"]
[Result "1/2-1/2"]
[ECO "D08"]
[WhiteElo "1797"]
[BlackElo "1973"]
[PlyCount "43"]
[EventDate "2011.03.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. a3 Nc6 5. Nf3 Bg4 6. Nbd2 Nge7 7. h3 Bxf3 8. Nxf3 Ng6 9. e3 dxe3 10. Qxd8+ Rxd8 11. Bxe3 Ncxe5 12. Nxe5 Nxe5 13. Rd1 Rxd1+ 14. Kxd1 b6 15. Kc2 c5 16. Be2 Be7 17. Rd1 0-0 18. f4 Nc6 19. Bf3 Nb8 20. Bf2 g6 21. Bg3 f5 22. Bd5+ 1/2-1/2

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2011.03.05"]
[Round "1"]
[White "Alves, Sidney David"]
[Black "Da Costa, Joao Carlos"]
[Result "0-1"]
[ECO "E06"]
[WhiteElo "1522"]
[BlackElo "1973"]
[PlyCount "130"]
[EventDate "2011.03.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 c6 5. Qc2 Be7 6. Nf3 0-0 7. 0-0 Re8 8. Nbd2 a5 9. e4 dxe4 10. Nxe4 Na6 11. a3 Nxe4 12. Qxe4 f5 13. Qd3 Nc5 14. Qc2 Ne4 15. Rd1 Bd7 16. Bf4 g5 17. Be3 h6 18. Ne5 Nf6 19. Rd3 Qc7 20. f4 g4 21. Rad1 Kg7 22. d5 cxd5 23. c5 Bb5 24. Rc3 Ne4 25. Bxe4 dxe4 26. Qb3 Bd3 27. Qxe6 Bf6 28. Qxf5 Bxe5 29. fxe5 Rf8 30. Qxg4+ Kh7 31. Qh5 Ra6 32. c6 Rxc6 33. Rxc6 Qxc6 34. Qh4 Qe6 35. Rc1 Rf7 36. Bf4 Qb6+ 37. Kh1 Be2 38. Qxh6+ Qxh6 39. Bxh6 Kxh6 40. e6 Re7 41. Re1 Bf3+ 42. Kg1 Rxe6 43. Kf2 Rc6 44. Ke3 Rc2 45. h4 Rxb2 46. g4 Rb3+ 47. Kf4 Rxa3 48. g5+ Kh5 49. Rb1 Rc3 50. g6 Rc8 51. g7 Rg8 52. Rb5+ Kh6 53. Rxa5 Rxg7 54. Rb5 Rf7+ 55. Ke3 Re7 56. Rf5 Kg6 57. Rb5 Bd1 58. Rg5+ Kf6 59. Rb5 Ba4 60. Ra5 Bc6 61. Rc5 Rd7 62. Ra5 Rd3+ 63. Kf4 Rf3+ 64. Kg4 Bd7+ 65. Kh5 Rf5+ 0-1

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2011.03.05"]
[Round "2"]
[White "Da Costa, Joao Carlos"]
[Black "De Sousa, Lucas Mazim"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "1973"]
[BlackElo "1721"]
[PlyCount "119"]
[EventDate "2011.03.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2014"]
[Source "ChessBase"]
[SourceDate "2013.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2013.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 d5 4. exd5 Qxd5 5. Be2 Bf5 6. 0-0 Bxb1 7. Rxb1 Qxa2 8. Qc2 Nf6 9. d4 cxd4 10. cxd4 Qa5 11. Be3 Nd5 12. Qb3 Nb6 13. Bb5 a6 14. Bxc6+ bxc6 15. Ne5 e6 16. Rfc1 Qb5 17. Qc2 Rc8 18. Qe4 Qd5 19. Qxd5 Nxd5 20. Rxc6 Rxc6 21. Nxc6 Nxe3 22. fxe3 Kd7 23. Nb8+ Kd6 24. Nxa6 Kd5 25. b4 Bd6 26. Kf2 Rc8 27. Nc5 Rb8 28. Kf3 Kc4 29. Rc1+ Kd5 30. e4+ Kxd4 31. Rd1+ Kc4 32. Rxd6 Rxb4 33. Nd3 Rb3 34. Ke2 Rb5 35. Rd7 Rg5 36. Kf3 e5 37. h4 Rh5 38. g4 Rxh4 39. Nxe5+ Kc5 40. Rxf7 g5 41. Rf5 Kd4 42. Nc6+ Kd3 43. Rd5+ Kc4 44. Rxg5 Rh1 45. Rh5 Rf1+ 46. Ke2 Rf6 47. Rh1 Kb5 48. Nd4+ Kc5 49. Ke3 Rg6 50. g5 Kc4 51. Nf3 Rg7 52. Rc1+ Kb5 53. Nd4+ Kb4 54. Kf4 Rf7+ 55. Ke5 Re7+ 56. Ne6 Re8 57. Rc7 Rh8 58. Kf6 h5 59. g6 h4 60. Rh7 1-0

[Event "BRA-ch Mineiro"]
[Site "Nova Resende"]
[Date "2011.01.09"]
[Round "11"]
[White "Dibai, Jerry"]
[Black "Da Costa, Joao Carlos"]
[Result "1/2-1/2"]
[ECO "A05"]
[WhiteElo "1852"]
[BlackElo "1967"]
[PlyCount "11"]
[EventDate "2011.01.04"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d6 3. Bg2 e5 4. d3 Be7 5. Nbd2 0-0 6. 0-0 1/2-1/2

[Event "BRA-ch Mineiro"]
[Site "Nova Resende"]
[Date "2011.01.08"]
[Round "9.1"]
[White "Da Costa, Joao Carlos"]
[Black "Marques, Joao Paulo Cassemir"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "1967"]
[BlackElo "1975"]
[PlyCount "66"]
[EventDate "2011.01.04"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. Nc3 Bg7 4. d3 d6 5. h3 Nc6 6. Be2 Rb8 7. a4 a6 8. 0-0 b5 9. axb5 axb5 10. Re1 Nf6 11. d4 b4 12. Bb5 Bd7 13. Bxc6 Bxc6 14. e5 dxe5 15. dxe5 bxc3 16. exf6 Bxf6 17. Bg5 Qxd1 18. Raxd1 Bxg5 19. Nxg5 cxb2 20. Rb1 Bd5 21. Ne4 Ba2 22. Nxc5 Bxb1 23. Rxb1 0-0 24. Nd7 Ra8 25. Rxb2 Rfd8 26. Ne5 Ra1+ 27. Kh2 Rd2 28. Nd3 Ra3 29. Rb8+ Kg7 30. Rc8 Ra2 31. Nb4 Rb2 32. Rc4 Rxf2 33. Nd3 Rbxc2 0-1

[Event "BRA-ch Mineiro"]
[Site "Nova Resende"]
[Date "2011.01.08"]
[Round "10.6"]
[White "Da Costa, Joao Carlos"]
[Black "Nery Junior, Jose Antonio"]
[Result "1-0"]
[ECO "C24"]
[WhiteElo "1967"]
[BlackElo "2009"]
[PlyCount "137"]
[EventDate "2011.01.04"]
[EventType "tourn"]
[EventRounds "10"]
[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 Nf6 4. d3 d5 5. exd5 Nxd5 6. 0-0 Bg4 7. h3 Bf5 8. Bb5 f6 9. Nh4 Be6 10. Qh5+ Bf7 11. Qe2 Bc5 12. Nf5 0-0 13. c3 Nce7 14. Nxe7+ Nxe7 15. Be3 Bd6 16. Nd2 Nd5 17. Ne4 Be7 18. c4 Nb4 19. Rfd1 a6 20. Ba4 b5 21. cxb5 axb5 22. Bxb5 Bxa2 23. Rac1 Bb3 24. Bc4+ Bxc4 25. dxc4 Qc8 26. c5 Qe6 27. Qc4 Qxc4 28. Rxc4 Nc6 29. Rd7 Ra7 30. b4 Rb8 31. Nc3 Kf8 32. b5 Ra1+ 33. Kh2 Na5 34. Rh4 Nb3 35. Rxc7 h6 36. Rb4 Bd8 37. Rd7 Ra3 38. b6 Na5 39. Rb5 Nc4 40. Nd5 Nxe3 41. Nxe3 Rc3 42. Nd5 Rc4 43. b7 h5 44. Rxd8+ Rxd8 45. b8Q Rxb8 46. Rxb8+ Kf7 47. Rb5 Ke6 48. Ne3 Rc3 49. Rb6+ Kd7 50. Rd6+ Kc8 51. Nf5 Rxc5 52. Nxg7 Rc7 53. Nxh5 Rc2 54. Rxf6 Kd7 55. Ng3 Ke7 56. Rf5 Rc1 57. Rxe5+ Kf6 58. Re2 Rc4 59. Ne4+ Kg6 60. g4 Ra4 61. h4 Ra3 62. h5+ Kh6 63. f4 Rf3 64. f5 Ra3 65. f6 Ra7 66. Kg3 Ra3+ 67. Kf4 Ra7 68. Rd2 Ra3 69. Rd8 1-0

[Event "BRA-ch Mineiro"]
[Site "Nova Resende"]
[Date "2011.01.07"]
[Round "8.6"]
[White "Crespo de Oliveira, Lucas"]
[Black "Da Costa, Joao Carlos"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2110"]
[BlackElo "1967"]
[PlyCount "110"]
[EventDate "2011.01.04"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Nbd7 5. Bc4 Be7 6. 0-0 c6 7. a4 0-0 8. Re1 Qb6 9. a5 Qc7 10. h3 h6 11. Bf1 Re8 12. Be3 Bf8 13. Qd2 exd4 14. Bxd4 Ne5 15. Nh2 Nh7 16. f4 Ng6 17. Nf3 Bd7 18. Bd3 c5 19. Bf2 Bc6 20. Nd5 Qd8 21. c4 Nf6 22. f5 Ne5 23. Nxe5 dxe5 24. Bc2 Nxd5 25. cxd5 b6 26. axb6 axb6 27. Qe2 Bd7 28. Bd3 Qc7 29. Bb5 Bd6 30. Be3 Rec8 31. Ba6 Rcb8 32. Bb5 Qd8 33. Rf1 Qe8 34. Bxd7 Qxd7 35. f6 g5 36. Qh5 Bf8 37. Rxa8 Rxa8 38. h4 Ra4 39. hxg5 Rxe4 40. gxh6 Qg4 41. h7+ Kh8 42. Qxf7 Rxe3 43. Qxf8+ Kxh7 44. Ra1 Re1+ 45. Rxe1 Qd4+ 46. Kf1 Qf4+ 47. Ke2 Qe4+ 48. Kd2 Qd4+ 49. Kc2 Qc4+ 50. Kb1 Qd3+ 51. Kc1 Qc4+ 52. Kd2 Qd4+ 53. Ke2 Qe4+ 54. Kf1 Qf4+ 55. Kg1 Qd4+ 1/2-1/2

[Event "BRA-ch Mineiro"]
[Site "Nova Resende"]
[Date "2011.01.06"]
[Round "5.3"]
[White "Da Costa, Joao Carlos"]
[Black "Chiari, Arthur Gontijo"]
[Result "0-1"]
[ECO "B20"]
[WhiteElo "1967"]
[BlackElo "1932"]
[PlyCount "86"]
[EventDate "2011.01.04"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. b4 cxb4 3. a3 e6 4. axb4 Bxb4 5. c3 Be7 6. Nf3 d6 7. Na3 Nf6 8. Be2 0-0 9. d3 b6 10. 0-0 Bb7 11. Re1 Nbd7 12. Bf1 a6 13. Nc2 Qc7 14. Bb2 e5 15. Ne3 Rfe8 16. Nf5 Bf8 17. Qd2 d5 18. Qg5 Nc5 19. Ba3 dxe4 20. Bxc5 bxc5 21. Nh6+ Kh8 22. Nxe5 Bd5 23. Neg4 Nxg4 24. Nxg4 Qd6 25. Ne3 Bc6 26. dxe4 Bxe4 27. Nc4 Qc7 28. Re3 h6 29. Qh4 Bb7 30. Rae1 Rxe3 31. Rxe3 a5 32. Ne5 Ba6 33. c4 Bd6 34. Ng4 Qd8 35. Qh5 Qg5 36. Qxf7 Qxg4 37. Re8+ Rxe8 38. Qxe8+ Kh7 39. Bd3+ g6 40. Qf7+ Kh8 41. Qf6+ Kg8 42. g3 Bb7 43. Bf1 Qe4 0-1

[Event "BRA-ch Mineiro"]
[Site "Nova Resende"]
[Date "2011.01.06"]
[Round "6.5"]
[White "Fontoura, Rogerio Lemos"]
[Black "Da Costa, Joao Carlos"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "2017"]
[BlackElo "1976"]
[PlyCount "60"]
[EventDate "2011.01.04"]
[EventType "tourn"]
[EventRounds "10"]
[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. c4 e6 4. Nc3 Be7 5. Bg5 Nbd7 6. e3 c6 7. Rc1 h6 8. Bf4 0-0 9. cxd5 exd5 10. Bd3 Re8 11. 0-0 Nh5 12. Nxd5 Nxf4 13. Nxf4 Bd6 14. Nh5 Nf6 15. Nxf6+ Qxf6 16. Qc2 Bg4 17. Nd2 Qh4 18. g3 Qh3 19. Rfe1 Re7 20. Bf1 Qh5 21. Bg2 Rae8 22. Qa4 f5 23. Qb3+ Kh8 24. f3 Bh3 25. Bxh3 Qxh3 26. f4 g5 27. Nf3 Bxf4 28. exf4 gxf4 29. gxf4 Re2 30. Rxe2 Rxe2 0-1

[Event "BRA-ch Mineiro"]
[Site "Nova Resende"]
[Date "2011.01.05"]
[Round "3.4"]
[White "Da Costa, Joao Carlos"]
[Black "Menezes, Jose Eduardo C"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "1967"]
[BlackElo "1946"]
[PlyCount "138"]
[EventDate "2011.01.04"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. Nf3 d6 4. Bc4 e6 5. 0-0 Nb6 6. Bb3 Nc6 7. exd6 cxd6 8. d4 d5 9. c3 g6 10. Re1 Bg7 11. Bf4 0-0 12. h3 Re8 13. Na3 a6 14. Rc1 Na5 15. c4 Nxb3 16. axb3 dxc4 17. bxc4 Bd7 18. b3 Bc6 19. Nc2 Bxf3 20. Qxf3 Qd7 21. Be5 Rac8 22. Rcd1 Qc6 23. Qxc6 Rxc6 24. Nb4 Rcc8 25. Bxg7 Kxg7 26. Re3 a5 27. Nd3 a4 28. Nc5 axb3 29. Rc3 b2 30. Rb1 Red8 31. Rxb2 Rxc5 32. Rxb6 Rxd4 33. Rxb7 Rdxc4 34. Re3 Rc7 35. Rb8 Rf4 36. g3 Rf5 37. Rb2 h5 38. Kg2 Rfc5 39. Ree2 Rc4 40. Ra2 h4 41. g4 Rc3 42. f3 Rd3 43. Rad2 Rb3 44. Rb2 Rxb2 45. Rxb2 Rc4 46. Kf2 Kf6 47. Ke3 Rc1 48. Kf4 g5+ 49. Ke4 Rh1 50. f4 Rxh3 51. Rb5 gxf4 52. Kxf4 Rc3 53. Rh5 h3 54. g5+ Kg7 55. Rh6 Ra3 56. Kg4 Rb3 57. Kf4 Rb4+ 58. Kg3 e5 59. Kxh3 Rf4 60. Kg3 Rf1 61. Kg4 f5+ 62. Kg3 Rg1+ 63. Kf3 Rxg5 64. Re6 f4 65. Ke4 Kf7 66. Ra6 Rg6 67. Ra5 Re6 68. Kf5 f3 69. Ra2 f2 0-1

[Event "BRA-ch Mineiro"]
[Site "Nova Resende"]
[Date "2011.01.05"]
[Round "4.4"]
[White "Machado, Gilmar Dias"]
[Black "Da Costa, Joao Carlos"]
[Result "0-1"]
[ECO "C56"]
[WhiteElo "1893"]
[BlackElo "1967"]
[PlyCount "96"]
[EventDate "2011.01.04"]
[EventType "tourn"]
[EventRounds "10"]
[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. Ng5 d5 6. exd5 Na5 7. Bb5+ c6 8. dxc6 bxc6 9. Bd3 Be7 10. 0-0 0-0 11. Qf3 a6 12. Ne4 Be6 13. Nxf6+ Bxf6 14. Qe4 g6 15. Bh6 Re8 16. Qf3 Rb8 17. b3 c5 18. Nd2 Bd5 19. Be4 Be6 20. Rae1 Bg5 21. Bxg5 Qxg5 22. Qd3 Kg7 23. f4 Qh5 24. Qg3 Bf5 25. Qg5 Qxg5 26. fxg5 Bxe4 27. Nxe4 Re5 28. Nd6 Rxe1 29. Rxe1 Nc6 30. a3 Rd8 31. Nb7 Rd5 32. h4 Ne5 33. Re4 c4 34. bxc4 Nxc4 35. a4 Ne3 36. Kf2 Nxc2 37. Ke2 Nb4 38. Kd2 Nc6 39. Re8 Ne5 40. Ra8 Nc4+ 41. Kd1 d3 42. Rc8 Nb2+ 43. Kd2 Nxa4 44. Nd8 Nc5 45. Nc6 Ne4+ 46. Kd1 d2 47. Ne7 Nf2+ 48. Ke2 d1Q+ 0-1

[Event "BRA-ch Mineiro"]
[Site "Nova Resende"]
[Date "2011.01.04"]
[Round "1.5"]
[White "Da Costa, Joao Carlos"]
[Black "Pereira, Juliano Resende M"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "1967"]
[BlackElo "2231"]
[PlyCount "58"]
[EventDate "2011.01.04"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. c3 Bg7 4. Be2 Nf6 5. e5 Nd5 6. d4 cxd4 7. cxd4 0-0 8. Nc3 Nxc3 9. bxc3 d6 10. exd6 Qxd6 11. 0-0 Qc7 12. Qb3 Nc6 13. Bd2 Be6 14. Qa3 Na5 15. Rfe1 Rfe8 16. Bb5 Nc4 17. Qc1 Nxd2 18. Qxd2 Red8 19. Ng5 Bd5 20. f4 e6 21. Rac1 Qa5 22. Qe2 Rac8 23. Nf3 Bxf3 24. gxf3 Rxc3 25. Rxc3 Qxc3 26. Rd1 Rxd4 27. Rxd4 Qxd4+ 28. Kg2 Qxf4 29. Qd3 Be5 0-1

[Event "BRA-ch Mineiro"]
[Site "Nova Resende"]
[Date "2011.01.04"]
[Round "2.3"]
[White "Dias, Simao Poscidonio"]
[Black "Da Costa, Joao Carlos"]
[Result "0-1"]
[ECO "C87"]
[WhiteElo "2051"]
[BlackElo "1967"]
[PlyCount "106"]
[EventDate "2011.01.04"]
[EventType "tourn"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. 0-0 d6 5. Re1 a6 6. Ba4 Be7 7. c3 b5 8. Bc2 0-0 9. a4 b4 10. d4 a5 11. Nbd2 h6 12. dxe5 dxe5 13. Nc4 Bd6 14. Be3 Bg4 15. h3 Bh5 16. Nxd6 cxd6 17. g4 Nxg4 18. hxg4 Bxg4 19. Bd2 Qf6 20. Re3 Ne7 21. Qe2 Ng6 22. Bd1 Nf4 23. Qf1 Bh3 24. Qb5 bxc3 25. bxc3 Qg6+ 26. Ng5 hxg5 27. Rb1 Qh7 28. Rg3 Bc8 29. Qb6 Ra6 30. Qe3 d5 31. Bf3 Rh6 32. Rb8 f5 33. exf5 e4 34. Bxe4 dxe4 35. Qxe4 Qxf5 36. Qxf5 Ne2+ 37. Kg2 Bxf5 38. Rxf8+ Kxf8 39. Rxg5 Rf6 40. Kf3 Bd3+ 41. Ke3 Ba6 42. Rxa5 Re6+ 43. Kf3 Bb7+ 44. Kg4 Rd6 45. Be3 Rg6+ 46. Kh5 Rg2 47. Rf5+ Kg8 48. Rb5 Bf3+ 49. Kh4 Nxc3 50. Ra5 Ne4 51. Bf4 Rg4+ 52. Kh3 Rxf4 53. Re5 Rf6 0-1

[Event "Ribeirao Preto RECRA 1st"]
[Site "Ribeirao Preto"]
[Date "2010.12.05"]
[Round "5.12"]
[White "Da Costa, Joao Carlos"]
[Black "Vasconcelos, Yan de Melo"]
[Result "1/2-1/2"]
[ECO "B20"]
[WhiteElo "1972"]
[PlyCount "74"]
[EventDate "2010.12.03"]
[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 c5 2. b4 cxb4 3. a3 e5 4. axb4 Nf6 5. Nf3 Bxb4 6. c3 Bc5 7. Bc4 0-0 8. d3 b5 9. Bxb5 Qb6 10. Bc4 Bxf2+ 11. Kf1 d6 12. Na3 Bc5 13. Rb1 Qa5 14. Rb5 Qc7 15. Rb3 Be6 16. Bxe6 fxe6 17. Nb5 Qc6 18. Ba3 Nbd7 19. Bxc5 Qxc5 20. Na3 d5 21. d4 exd4 22. cxd4 Qc6 23. e5 Ne4 24. g4 Rab8 25. Kg2 Nb6 26. Re1 Nc4 27. Re2 Nxa3 28. Rxa3 Rb7 29. Qc2 Rc8 30. Qxc6 Rxc6 31. Rea2 Rbc7 32. Ra6 Kf7 33. h4 h6 34. Ne1 Nc3 35. Rf2+ Ke7 36. g5 Ne4 37. Rfa2 hxg5 1/2-1/2

[Event "Ribeirao Preto RECRA 1st"]
[Site "Ribeirao Preto"]
[Date "2010.12.05"]
[Round "6.12"]
[White "Santos, Emanuel Valentin"]
[Black "Da Costa, Joao Carlos"]
[Result "1-0"]
[ECO "D09"]
[BlackElo "1972"]
[PlyCount "59"]
[EventDate "2010.12.03"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3 Nge7 6. Bg2 Ng6 7. 0-0 Be7 8. e3 dxe3 9. Bxe3 Qxd1 10. Rxd1 Bg4 11. h3 Bxf3 12. Bxf3 Ngxe5 13. Be2 0-0 14. Nc3 Nb4 15. Rac1 Rfd8 16. a3 Nbc6 17. Nd5 Rac8 18. b4 Bf8 19. f4 Nd7 20. Bg4 Kh8 21. Nc3 Nf6 22. Bxc8 Rxc8 23. Rc2 h6 24. Rcd2 a6 25. b5 axb5 26. cxb5 Ne7 27. Rd8 Rxd8 28. Rxd8 Nh7 29. Bc5 Ng6 30. f5 1-0

[Event "Ribeirao Preto RECRA 1st"]
[Site "Ribeirao Preto"]
[Date "2010.12.04"]
[Round "3.13"]
[White "Da Costa, Joao Carlos"]
[Black "Do Nascimento, Jose Wallison"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1972"]
[PlyCount "61"]
[EventDate "2010.12.03"]
[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. d4 Nxd4 6. Nxe5 0-0 7. c3 Nc6 8. Nxc6 bxc6 9. Bg5 Be7 10. Qc2 d5 11. Rd1 Nxe4 12. Bxe7 Qxe7 13. Re1 Qf6 14. Bd3 Bf5 15. f3 Nd6 16. Nd2 Bxd3 17. Qxd3 Rab8 18. b3 Rfe8 19. Nf1 Nb5 20. Rec1 d4 21. cxd4 Nxd4 22. Ng3 Rbd8 23. Ne4 Qf5 24. Rc4 c5 25. Nxc5 Qe5 26. Qf1 Ne2+ 27. Kh1 Qh5 28. Qf2 Rd5 29. Re1 Rd2 30. Ne4 f5 31. Nxd2 1-0

[Event "Ribeirao Preto RECRA 1st"]
[Site "Ribeirao Preto"]
[Date "2010.12.04"]
[Round "4.9"]
[White "Mendeleh Junior, Jorge"]
[Black "Da Costa, Joao Carlos"]
[Result "1-0"]
[ECO "C70"]
[BlackElo "1972"]
[PlyCount "63"]
[EventDate "2010.12.03"]
[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. Bb5 Qf6 4. c3 a6 5. Ba4 Bc5 6. 0-0 Nge7 7. Bxc6 Nxc6 8. d4 exd4 9. e5 Qd8 10. cxd4 Be7 11. d5 Nb8 12. d6 cxd6 13. exd6 Bf6 14. Re1+ Kf8 15. Nbd2 h6 16. Nc4 Nc6 17. Be3 Kg8 18. Bb6 Qf8 19. Rc1 g6 20. Rc2 Kh7 21. Rce2 Rg8 22. Qd3 Nd8 23. Nd4 Ne6 24. Nxe6 fxe6 25. Re3 Qg7 26. R1e2 a5 27. a4 Ra6 28. Re4 Rxb6 29. Nxb6 Bxb2 30. Qc2 Bd4 31. Nxc8 Rf8 32. h4 1-0

[Event "Ribeirao Preto RECRA 1st"]
[Site "Ribeirao Preto"]
[Date "2010.12.03"]
[Round "1.16"]
[White "Da Costa, Joao Carlos"]
[Black "Bonvini, Adriana Tonhati"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1972"]
[PlyCount "71"]
[EventDate "2010.12.03"]
[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 h6 4. d4 d6 5. dxe5 Nxe5 6. Nxe5 dxe5 7. Bxf7+ Ke7 8. Qxd8+ Kxd8 9. 0-0 Nf6 10. Nc3 Bb4 11. Nd5 Nxd5 12. Bxd5 b6 13. Bxa8 Rf8 14. Be3 Ba6 15. Rfd1+ Kc8 16. Bc6 Rf6 17. a3 Rxc6 18. axb4 Kb7 19. Rd2 Rc4 20. c3 Rxe4 21. b3 Rg4 22. c4 c6 23. Rd7+ Kc8 24. Rxa7 Bb7 25. Bxb6 Kb8 26. Bc5 Rg5 27. h4 Rh5 28. Be7 e4 29. g4 Re5 30. Bd6+ Kc8 31. Bxe5 g6 32. Rd1 h5 33. Rd6 hxg4 34. Rxg6 c5 35. Rg8+ Kd7 36. Rxb7+ 1-0

[Event "Ribeirao Preto RECRA 1st"]
[Site "Ribeirao Preto"]
[Date "2010.12.03"]
[Round "2.3"]
[White "Marra, Eduardo da Costa"]
[Black "Da Costa, Joao Carlos"]
[Result "1-0"]
[ECO "A15"]
[WhiteElo "2273"]
[BlackElo "1972"]
[PlyCount "79"]
[EventDate "2010.12.03"]
[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. c4 d6 3. g3 e5 4. d3 Be7 5. Bg2 0-0 6. 0-0 Re8 7. Nc3 Nbd7 8. b4 c6 9. Nd2 d5 10. a3 Nf8 11. Bb2 Be6 12. Qc2 Qd7 13. Rfc1 a5 14. Na4 Qc7 15. b5 d4 16. bxc6 bxc6 17. Rcb1 Rab8 18. Nb3 N8d7 19. Bc1 h6 20. Qd2 Ra8 21. Qe1 Ra7 22. Bd2 Rea8 23. h3 Ra6 24. Kh2 R8a7 25. e3 c5 26. Rb2 e4 27. exd4 exd3 28. d5 Ne5 29. Bf4 Nfd7 30. Nc3 Bf5 31. Nb5 Qb8 32. Nxa7 Rxa7 33. Rab1 d2 34. Nxd2 Qc8 35. Be4 Bxe4 36. Qxe4 Bf6 37. Rb5 g5 38. Bxe5 Bxe5 39. Nb3 Qe8 40. Re1 1-0

[Event "BRA-ch Mineiro sf"]
[Site "Nova Resende"]
[Date "2010.11.28"]
[Round "6.5"]
[White "Da Costa, Joao Carlos"]
[Black "Pasqua, Mauricio Coragem"]
[Result "1-0"]
[ECO "B02"]
[WhiteElo "1972"]
[PlyCount "75"]
[EventDate "2010.11.26"]
[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 Nf6 2. e5 Nd5 3. Nf3 d6 4. Bc4 e6 5. 0-0 Be7 6. c3 0-0 7. d4 Nb6 8. Bb3 d5 9. a4 a5 10. Na3 c5 11. Bc2 g6 12. Qd2 Re8 13. h3 cxd4 14. cxd4 Nc6 15. b3 Nb4 16. Bb1 Bd7 17. Nh2 Bf8 18. f4 Qh4 19. Nf3 Qh5 20. Kh2 Rac8 21. Qe2 Qh6 22. Be3 Rc3 23. Nb5 Rxb3 24. Nd2 Rb2 25. f5 g5 26. f6 Nc4 27. Rf3 Nxe3 28. Qxe3 g4 29. Rf4 gxh3 30. Qg3+ Kh8 31. Rh4 Rxd2 32. Rxh3 Qxh3+ 33. Qxh3 h6 34. Nd6 Nc2 35. Bxc2 Rxc2 36. Nxf7+ Kg8 37. Nxh6+ Bxh6 38. Qxh6 1-0

[Event "BRA-ch Mineiro sf"]
[Site "Nova Resende"]
[Date "2010.11.28"]
[Round "5.6"]
[White "Dibai, Jerry"]
[Black "Da Costa, Joao Carlos"]
[Result "1/2-1/2"]
[ECO "A07"]
[WhiteElo "1829"]
[BlackElo "1972"]
[PlyCount "102"]
[EventDate "2010.11.26"]
[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 d5 5. d3 c6 6. Nbd2 0-0 7. e4 dxe4 8. dxe4 Nbd7 9. Re1 e5 10. Nc4 Qc7 11. Qd6 Ne8 12. Qxc7 Nxc7 13. Be3 b5 14. Na5 c5 15. Rad1 Ne6 16. c3 c4 17. Rd5 a6 18. Red1 Nf6 19. Rxe5 Ng4 20. Red5 Nxe3 21. fxe3 Bf6 22. e5 Be7 23. Nd2 Nd8 24. Rxb5 axb5 25. Bxa8 Bc5 26. Kf2 Re8 27. Ne4 Be7 28. Nd6 Bg4 29. Bf3 Bxf3 30. Kxf3 Bxd6 31. exd6 Re5 32. d7 Kf8 33. e4 Ke7 34. a4 bxa4 35. Nxc4 Rc5 36. Nb6 a3 37. Nd5+ Kxd7 38. bxa3 Ne6 39. Ke3 Kc6 40. Rb1 Ra5 41. Rb6+ Kc5 42. Rb7 f5 43. exf5 gxf5 44. Nf4 Ng5 45. Rc7+ Kd6 46. Rc8 Rxa3 47. h4 Ne4 48. Rd8+ Ke7 49. Rd3 Nxc3 50. Kf3 Nb5 51. Rxa3 Nxa3 1/2-1/2

[Event "BRA-ch Mineiro sf"]
[Site "Nova Resende"]
[Date "2010.11.27"]
[Round "3.1"]
[White "Barbosa, Evandro Amorim"]
[Black "Da Costa, Joao Carlos"]
[Result "1-0"]
[ECO "C60"]
[WhiteElo "2352"]
[BlackElo "1972"]
[PlyCount "47"]
[EventDate "2010.11.26"]
[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. Bb5 Qf6 4. 0-0 h6 5. c3 g5 6. d4 Bg7 7. Bxc6 Qxc6 8. Nxe5 Bxe5 9. dxe5 Qxe4 10. Nd2 Qd3 11. Re1 Ne7 12. Qh5 Qg6 13. Qe2 b6 14. Ne4 0-0 15. b3 Bb7 16. Nf6+ Kg7 17. Ba3 c5 18. Rad1 Rfd8 19. Rd6 Qf5 20. Nh5+ Kh7 21. Rf6 Qe4 22. Rxf7+ Kg8 23. Nf6+ Kxf7 24. Nxe4 1-0

[Event "BRA-ch Mineiro sf"]
[Site "Nova Resende"]
[Date "2010.11.27"]
[Round "4.6"]
[White "Da Costa, Joao Carlos"]
[Black "Melo Reda, Caique"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1972"]
[BlackElo "1863"]
[PlyCount "86"]
[EventDate "2010.11.26"]
[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 e6 2. c4 c5 3. Nc3 Nc6 4. Nf3 e5 5. d3 d6 6. Be2 Nf6 7. 0-0 Be7 8. h3 0-0 9. Rb1 Be6 10. Ng5 Nd4 11. f4 exf4 12. Bxf4 Nd7 13. Nf3 f5 14. Nxd4 cxd4 15. Nd5 fxe4 16. dxe4 Bxd5 17. exd5 Qb6 18. Bg4 Ne5 19. Be6+ Kh8 20. b3 a5 21. Kh1 Bf6 22. g4 Ng6 23. Bh2 Be5 24. Bf5 Qd8 25. Bxg6 hxg6 26. Rxf8+ Qxf8 27. Qf1 Qe7 28. Qd3 Kh7 29. Re1 Re8 30. Bg1 Qg5 31. Bxd4 Qh4 32. Re3 Bxd4 33. Qxd4 Rxe3 34. Qxe3 Qf6 35. Kg2 g5 36. Qd2 b6 37. a3 Qe5 38. Qf2 Kh6 39. a4 Qe4+ 40. Qf3 Qe5 41. Kf2 Qb2+ 42. Ke1 Qc1+ 43. Kf2 Qb2+ 1-0

[Event "BRA-ch Mineiro sf"]
[Site "Nova Resende"]
[Date "2010.11.27"]
[Round "2.6"]
[White "Da Costa, Joao Carlos"]
[Black "Mendonca, Juliano Simao"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "1972"]
[BlackElo "1781"]
[PlyCount "55"]
[EventDate "2010.11.26"]
[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 c5 2. b4 cxb4 3. a3 e6 4. axb4 Qf6 5. d4 Bxb4+ 6. c3 Bf8 7. Nf3 d5 8. e5 Qd8 9. Bd3 h6 10. 0-0 g5 11. h3 Bg7 12. Na3 a6 13. Nb5 Bf8 14. c4 Be7 15. Bd2 h5 16. c5 g4 17. Ba5 Qd7 18. Nc7+ Qxc7 19. Bxc7 gxf3 20. Qxf3 Nc6 21. Qg3 Bf8 22. Ra4 Bd7 23. Rb1 h4 24. Qg4 Nh6 25. Qe2 Ne7 26. Rab4 Bc6 27. Rxb7 Bxb7 28. Rxb7 1-0

[Event "Batatais op 1st"]
[Site "Batatais"]
[Date "2010.11.21"]
[Round "5.13"]
[White "Craveiro, Luan Durigan"]
[Black "Da Costa, Joao Carlos"]
[Result "0-1"]
[ECO "A03"]
[BlackElo "1972"]
[PlyCount "86"]
[EventDate "2010.11.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. f4 c5 2. Nf3 Nc6 3. e3 d5 4. Be2 g6 5. 0-0 Bg7 6. c3 Nf6 7. d4 c4 8. Nbd2 Ng4 9. Nb1 h5 10. Ne5 Ncxe5 11. dxe5 Bf5 12. h3 Nh6 13. Nd2 Qd7 14. Bf3 Rd8 15. Re1 f6 16. exf6 Bxf6 17. Be2 Nf7 18. g4 hxg4 19. hxg4 Bd3 20. Bxd3 cxd3 21. Nf1 Bh4 22. Bd2 Nd6 23. Qf3 Bxe1 24. Bxe1 Ne4 25. Ng3 d2 26. Bf2 Nxf2 27. Kxf2 Rh2+ 28. Kg1 Rh4 29. f5 g5 30. Rd1 Qa4 31. Rxd2 Qxg4 32. Qxg4 Rxg4 33. Kg2 Rd6 34. Rd4 Rxd4 35. exd4 Rb6 36. b3 Rc6 37. Ne2 Kf7 38. Kg3 Kf6 39. Kg4 Rc8 40. Ng3 Rh8 41. Kf3 Rh3 42. Kg4 Rxg3+ 43. Kxg3 Kxf5 0-1

[Event "Batatais op 1st"]
[Site "Batatais"]
[Date "2010.11.21"]
[Round "6.10"]
[White "Da Costa, Joao Carlos"]
[Black "Do Nascimento, Jose Wallison"]
[Result "1/2-1/2"]
[ECO "C55"]
[WhiteElo "1972"]
[PlyCount "23"]
[EventDate "2010.11.19"]
[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 Be7 4. 0-0 Nf6 5. Re1 0-0 6. c3 d6 7. h3 a6 8. a4 Be6 9. Bf1 d5 10. exd5 Qxd5 11. d3 Qd7 12. Bg5 1/2-1/2

[Event "Batatais op 1st"]
[Site "Batatais"]
[Date "2010.11.20"]
[Round "4.10"]
[White "Da Costa, Joao Carlos"]
[Black "Santos, Emanuel Valentin"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1972"]
[PlyCount "50"]
[EventDate "2010.11.19"]
[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 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 e5 6. Nxc6 bxc6 7. Be2 Bb4 8. Bg5 Bxc3+ 9. bxc3 Qa5 10. 0-0 Nxe4 11. Bh4 Nxc3 12. Qd2 Nxe2+ 13. Qxe2 0-0 14. Rfd1 Re8 15. Qh5 d5 16. Rd3 Re6 17. Rf3 Qc7 18. Rb1 Rh6 19. Qg5 f6 20. Qxh6 gxh6 21. Rxf6 Rb8 22. Re1 Qa5 23. f3 Qc5+ 24. Bf2 Qxc2 25. Rxe5 Rb2 0-1

[Event "Batatais op 1st"]
[Site "Batatais"]
[Date "2010.11.20"]
[Round "3"]
[White "Silva, Lucas Jose de Sousa"]
[Black "Da Costa, Joao Carlos"]
[Result "0-1"]
[ECO "C49"]
[BlackElo "1972"]
[PlyCount "112"]
[EventDate "2010.11.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. Bxc6 dxc6 6. d3 Qe7 7. h3 Bd7 8. Bd2 0-0 9. 0-0 h6 10. a3 Bd6 11. Re1 c5 12. Be3 c6 13. Qd2 Kh7 14. Ne2 Rad8 15. Ng3 b5 16. Nh4 Ng8 17. Nhf5 Bxf5 18. Nxf5 Qe6 19. Qc3 Rfe8 20. Nxd6 Rxd6 21. Bxc5 Rd7 22. Rad1 f5 23. Rd2 Nf6 24. Rde2 f4 25. f3 g5 26. Bf2 h5 27. Qb3 Qxb3 28. cxb3 Rxd3 29. b4 a6 30. Rc2 Re6 31. Rec1 g4 32. Rxc6 Rxc6 33. Rxc6 Rd1+ 34. Be1 Nxe4 35. fxe4 Rxe1+ 36. Kf2 Rxe4 37. hxg4 hxg4 38. Rxa6 g3+ 39. Kf1 Rc4 40. Re6 Rc1+ 41. Ke2 Rc2+ 42. Kf1 Rf2+ 43. Kg1 Rxb2 44. Kf1 Rf2+ 45. Kg1 Rd2 46. Kf1 Rd5 47. Ke2 Kg7 48. Rc6 Kf7 49. Ra6 e4 50. Ra5 Ke6 51. Ra8 Re5 52. a4 bxa4 53. Rxa4 Rb5 54. Ra5 Rxa5 55. bxa5 Kd6 56. a6 Kc7 0-1

[Event "Batatais op 1st"]
[Site "Batatais"]
[Date "2010.11.19"]
[Round "2"]
[White "Da Costa, Joao Carlos"]
[Black "Petri, Angelica Cristina"]
[Result "1-0"]
[ECO "B20"]
[WhiteElo "1972"]
[PlyCount "63"]
[EventDate "2010.11.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. b4 e6 3. bxc5 Bxc5 4. c3 e5 5. Nf3 d6 6. Bc4 Nf6 7. 0-0 h6 8. d4 Bg4 9. dxc5 Bxf3 10. Qxf3 dxc5 11. Be3 0-0 12. Bxc5 Re8 13. Be3 Nbd7 14. Rd1 Qc7 15. Bb5 Re7 16. Bxd7 Rxd7 17. Rxd7 Qxd7 18. Nd2 Rd8 19. Nf1 Qa4 20. Bxh6 Nxe4 21. Qg4 g6 22. h4 Qc2 23. Be3 Kf8 24. Rc1 Qd3 25. h5 Nxc3 26. Qb4+ Ke8 27. Rxc3 Qd7 28. Bh6 Qe7 29. Qxe7+ Kxe7 30. hxg6 f6 31. Rc7+ Ke8 32. g7 1-0

[Event "Batatais op 1st"]
[Site "Batatais"]
[Date "2010.11.19"]
[Round "1"]
[White "Ribeiro, Lucas Campelo"]
[Black "Da Costa, Joao Carlos"]
[Result "1-0"]
[ECO "C58"]
[BlackElo "1972"]
[PlyCount "67"]
[EventDate "2010.11.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Na5 6. Bb5+ c6 7. dxc6 bxc6 8. Ba4 h6 9. Nf3 e4 10. Ne5 Qd4 11. Bxc6+ Nxc6 12. Nxc6 Qc5 13. Nxa7 Qxa7 14. Nc3 Bc5 15. 0-0 0-0 16. d3 Bxf2+ 17. Rxf2 e3 18. Re2 Bg4 19. Bxe3 Bxe2 20. Qxe2 Qd7 21. Bc5 Rfe8 22. Qd2 Rac8 23. Be3 Ng4 24. Re1 Qd6 25. g3 Re6 26. Bf4 Qd4+ 27. Kg2 g5 28. Rxe6 fxe6 29. Qe2 Re8 30. Qxg4 e5 31. Qh5 Re6 32. Bd2 Rf6 33. Ne4 Rc6 34. Qe8+ 1-0

[Event "Nova Resende Chess School 1st"]
[Site "Nova Resende"]
[Date "2010.03.21"]
[Round "9"]
[White "Costa, Rodevaldo Aparecido"]
[Black "Da Costa, Joao Carlos"]
[Result "1/2-1/2"]
[ECO "D79"]
[BlackElo "2009"]
[PlyCount "75"]
[EventDate "2010.03.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. g3 c6 5. Bg2 d5 6. cxd5 cxd5 7. 0-0 0-0 8. Nc3 Re8 9. Ne5 Nc6 10. Bg5 Qb6 11. b3 Nxd4 12. Be3 Nxe2+ 13. Nxe2 Qb5 14. Qd3 Qxd3 15. Nxd3 e5 16. Nb4 Be6 17. Rac1 a5 18. Nd3 Nd7 19. Nc5 Nxc5 20. Rxc5 b6 21. Rc7 Rab8 22. Rfc1 a4 23. Ra7 axb3 24. axb3 d4 25. Bd2 Bxb3 26. Rcc7 b5 27. Be4 Rec8 28. Nc1 Be6 29. Nd3 Rxc7 30. Rxc7 f5 31. Bc6 Bc4 32. Nb4 Rd8 33. Rb7 e4 34. Bxb5 Bxb5 35. Rxb5 Ra8 36. Nd5 Ra1+ 37. Kg2 e3 38. Nxe3 1/2-1/2

[Event "Nova Resende Chess School 1st"]
[Site "Nova Resende"]
[Date "2010.03.21"]
[Round "8"]
[White "Da Costa, Joao Carlos"]
[Black "Nery Junior, Jose Antonio"]
[Result "0-1"]
[ECO "B02"]
[WhiteElo "2009"]
[BlackElo "2027"]
[PlyCount "46"]
[EventDate "2010.03.19"]
[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 d5 2. exd5 Nf6 3. Nc3 Nxd5 4. Nxd5 Qxd5 5. Qf3 Qa5 6. g3 g6 7. c3 Nc6 8. b4 Nxb4 9. cxb4 Qe5+ 10. Ne2 Qxa1 11. Bg2 Bg7 12. 0-0 Qxa2 13. Nc3 Qb3 14. Re1 c6 15. b5 Bd7 16. Qe4 0-0 17. Re3 Be6 18. bxc6 bxc6 19. d4 Rfd8 20. d5 cxd5 21. Nxd5 Qxd5 22. Qb4 Qd1+ 23. Re1 Rab8 0-1

[Event "Nova Resende Chess School 1st"]
[Site "Nova Resende"]
[Date "2010.03.21"]
[Round "7"]
[White "Pereira, Marcus Vinicius Roc"]
[Black "Da Costa, Joao Carlos"]
[Result "0-1"]
[ECO "D08"]
[BlackElo "2009"]
[PlyCount "106"]
[EventDate "2010.03.19"]
[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 e5 3. dxe5 d4 4. Nf3 Nc6 5. e3 Bg4 6. Be2 dxe3 7. Bxe3 Bb4+ 8. Nc3 Qxd1+ 9. Rxd1 Nge7 10. 0-0 Bxc3 11. bxc3 Nxe5 12. Bf4 Nxf3+ 13. Bxf3 Bxf3 14. gxf3 0-0 15. Bxc7 Rfc8 16. Rd7 Nc6 17. Rfd1 g5 18. f4 g4 19. f5 Kg7 20. Bg3 Rd8 21. R1d6 Rxd7 22. Rxd7 b6 23. Rc7 Nd8 24. Rd7 Rc8 25. f6+ Kg6 26. Be5 Nc6 27. Rc7 Rxc7 28. Bxc7 Kxf6 29. Kf1 Kf5 30. Ke1 Ke4 31. Ke2 f5 32. Bd6 h5 33. a3 f4 34. a4 Ne5 35. Bxe5 Kxe5 36. f3 g3 37. hxg3 fxg3 38. Kf1 h4 39. a5 Kf4 40. Ke1 Kxf3 41. Kf1 Ke3 42. Kg2 Kd3 43. c5 bxc5 44. a6 Kxc3 45. Kg1 Kd2 46. Kg2 c4 47. Kf3 c3 48. Kg2 c2 49. Kh3 c1Q 50. Kxh4 Qc4+ 51. Kxg3 Ke2 52. Kh3 Kf2 53. Kh2 Qh4# 0-1

[Event "Nova Resende Chess School 1st"]
[Site "Nova Resende"]
[Date "2010.03.20"]
[Round "4"]
[White "Da Costa, Joao Carlos"]
[Black "Pereira Junior, Ciro Bernardes"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "2009"]
[BlackElo "1802"]
[PlyCount "105"]
[EventDate "2010.03.19"]
[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 e6 2. c4 c5 3. Nf3 Nc6 4. Na3 d5 5. cxd5 exd5 6. exd5 Qxd5 7. Bc4 Qe4+ 8. Kf1 Bg4 9. Qb3 Nd4 10. Nxd4 cxd4 11. f3 Qf5 12. Qxb7 Rc8 13. Bb5+ Kd8 14. h3 Rc7 15. Qa8+ Qc8 16. Qd5+ Bd7 17. Bxd7 Rxd7 18. Qa5+ Ke8 19. d3 Bxa3 20. Qxa3 Nf6 21. Bg5 Re7 22. Qa4+ Qd7 23. Qxd7+ Kxd7 24. Kf2 Re6 25. Bxf6 Rxf6 26. Rac1 Rb8 27. b3 Ra6 28. Rc2 Re8 29. Re1 Rxe1 30. Kxe1 f5 31. Kd2 f4 32. Kc1 Re6 33. b4 Ra6 34. Kb2 Re6 35. Kb3 Rb6 36. Rc5 Re6 37. Rd5+ Kc6 38. Rxd4 g5 39. Re4 Rd6 40. Kc4 a6 41. a4 Kb6 42. Re5 h6 43. d4 Rc6+ 44. Kd5 Rc2 45. Re6+ Kb7 46. Rxh6 Rxg2 47. a5 Rb2 48. Rh7+ Kb8 49. Kc5 Rb3 50. h4 gxh4 51. Rxh4 Rxf3 52. d5 Rc3+ 53. Kb6 1-0

[Event "Nova Resende Chess School 1st"]
[Site "Nova Resende"]
[Date "2010.03.20"]
[Round "6"]
[White "Da Costa, Joao Carlos"]
[Black "Rodrigues, Fernanda dos Santos"]
[Result "0-1"]
[ECO "C11"]
[WhiteElo "2009"]
[BlackElo "1900"]
[PlyCount "98"]
[EventDate "2010.03.19"]
[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 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nf3 c5 6. Be3 Nc6 7. Bb5 cxd4 8. Bxd4 a6 9. Ba4 b5 10. Bb3 Nxd4 11. Qxd4 Bc5 12. Qg4 0-0 13. Ne2 Qb6 14. 0-0 f6 15. Qg3 fxe5 16. Rad1 e4 17. Ng5 Nf6 18. c3 a5 19. Nd4 a4 20. Bc2 b4 21. Kh1 a3 22. b3 h6 23. Nh3 Ba6 24. Rfe1 bxc3 25. Qxc3 Bb4 26. Qa1 Bxe1 27. Rxe1 Rac8 28. Qd1 e5 29. Nf5 Qe6 30. Ng3 Rc7 31. Qd2 Rfc8 32. Bb1 Rc3 33. Ng1 Qb6 34. h3 Bd3 35. Nf5 Kf8 36. f3 Bxb1 37. Rxb1 e3 38. Qe1 d4 39. Qg3 Qc7 40. Ne2 Rc2 41. Kh2 Nh5 42. Qe1 d3 43. Qb4+ Qc5 44. Qg4 Rxe2 45. Qxh5 Rxg2+ 46. Kxg2 Qc2+ 47. Kg3 Qxb1 48. Nd6 Qg1+ 49. Kh4 g5+ 0-1

[Event "Nova Resende Chess School 1st"]
[Site "Nova Resende"]
[Date "2010.03.20"]
[Round "5"]
[White "Pereira, Ezequias Morais"]
[Black "Da Costa, Joao Carlos"]
[Result "1/2-1/2"]
[ECO "D55"]
[WhiteElo "1753"]
[BlackElo "2009"]
[PlyCount "38"]
[EventDate "2010.03.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Be7 5. Bg5 h6 6. Bxf6 Bxf6 7. cxd5 exd5 8. e3 0-0 9. Bd3 Nc6 10. a3 Re8 11. 0-0 Be6 12. Rc1 Ne7 13. Ne2 c6 14. Nf4 Nc8 15. Nxe6 fxe6 16. Ne5 Bxe5 17. dxe5 Qh4 18. f4 Ne7 19. Rf3 Qg4 1/2-1/2

[Event "Nova Resende Chess School 1st"]
[Site "Nova Resende"]
[Date "2010.03.19"]
[Round "2"]
[White "Da Costa, Joao Carlos"]
[Black "De Carvalho, Evaldo Hollanda"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "2009"]
[PlyCount "69"]
[EventDate "2010.03.19"]
[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 e5 2. Nf3 Nc6 3. Bc4 d6 4. 0-0 Be7 5. c3 Be6 6. Bxe6 fxe6 7. d4 exd4 8. cxd4 Nf6 9. Nc3 0-0 10. Qb3 Qc8 11. Ng5 Nd8 12. f4 Nh5 13. Bd2 c5 14. Ne2 c4 15. Qh3 Bxg5 16. fxg5 g6 17. Rxf8+ Kxf8 18. g4 e5 19. Qf3+ Nf4 20. Nxf4 exf4 21. Qxf4+ Kg8 22. Rf1 Nc6 23. Qf7+ Kh8 24. h3 b5 25. Qf6+ Kg8 26. Qxd6 Qe8 27. Qd5+ Kg7 28. e5 Rd8 29. Qxb5 Rxd4 30. Bc3 Qd7 31. Qc5 Rxg4+ 32. Kh2 Qe8 33. hxg4 Ne7 34. e6+ Kg8 35. Qe5 1-0

[Event "Nova Resende Chess School 1st"]
[Site "Nova Resende"]
[Date "2010.03.19"]
[Round "1"]
[White "Da Costa, Joao Carlos"]
[Black "Mendonca, Juliano Simao"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "2009"]
[BlackElo "1752"]
[PlyCount "60"]
[EventDate "2010.03.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Bf5 5. Bb5+ Nc6 6. Ne5 Rc8 7. 0-0 e6 8. Re1 Bd6 9. c4 Nge7 10. Nc3 0-0 11. cxd5 exd5 12. g4 Bg6 13. Nxg6 Nxg6 14. g5 Qd7 15. Qh5 Qf5 16. Be3 Rfd8 17. Be2 Qc2 18. Rec1 Qxb2 19. Rab1 Qa3 20. Rb3 Qa5 21. Rb5 Qa3 22. Nxd5 Nxd4 23. Rxc8 Nxe2+ 24. Qxe2 Rxc8 25. Rxb7 Bxh2+ 26. Kh1 Bb8 27. Qf3 Rf8 28. Qe4 Qd6 29. f4 Rd8 30. Qf5 Qe6 1/2-1/2

[Event "Nova Resende Chess School 1st"]
[Site "Nova Resende"]
[Date "2010.03.19"]
[Round "3"]
[White "Da Silva, Wagner Jose"]
[Black "Da Costa, Joao Carlos"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1799"]
[BlackElo "2009"]
[PlyCount "67"]
[EventDate "2010.03.19"]
[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 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nc3 0-0 8. 0-0 Bxc3 9. bxc3 Nxe4 10. d5 Ne7 11. Qd4 Nf6 12. Bb3 d6 13. c4 c5 14. dxc6 Nxc6 15. Qh4 Bf5 16. Bg5 h6 17. Bxf6 Qxf6 18. Qxf6 gxf6 19. Rad1 Rad8 20. Nd4 Be6 21. Nb5 Rd7 22. Rxd6 Rxd6 23. Nxd6 Na5 24. c5 Bxb3 25. axb3 Nxb3 26. Nxb7 Rc8 27. Rb1 Nd4 28. Kf1 Kf8 29. Ra1 Nb3 30. Ra3 Nd2+ 31. Ke2 Ne4 32. f3 Nxc5 33. Nxc5 Rxc5 34. Rxa7 1/2-1/2

[Event "Mineiro-ch"]
[Site "Belo Horizonte"]
[Date "2010.01.10"]
[Round "11"]
[White "Da Costa, Joao Carlos"]
[Black "Ramos, Bruce Vicente"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "2011"]
[BlackElo "1973"]
[PlyCount "74"]
[EventDate "2010.01.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Be7 5. Nf3 Nf6 6. Bd3 0-0 7. Neg5 c5 8. c3 cxd4 9. Qc2 g6 10. h4 e5 11. Nxe5 Qd5 12. Ngf3 Bd6 13. cxd4 Bxe5 14. dxe5 Nc6 15. Qb3 Qxb3 16. axb3 Ng4 17. Bf4 Re8 18. Bb5 Bd7 19. 0-0 Ngxe5 20. Ng5 Nd4 21. Bxd7 Nxd7 22. Rad1 Ne2+ 23. Kh2 h6 24. Rxd7 hxg5 25. Bxg5 Re4 26. Rxb7 Nd4 27. Rd1 Ne6 28. f3 Re2 29. Rdd7 Nc5 30. Rxa7 Nxd7 31. Rxa8+ Kg7 32. Bf4 Nc5 33. Rb8 Nd3 34. Bd6 Ne1 35. Kg1 Nd3 36. Rd8 Rxb2 37. Bf8+ Kg8 1-0

[Event "Mineiro-ch"]
[Site "Belo Horizonte"]
[Date "2010.01.09"]
[Round "9"]
[White "Da Costa, Joao Carlos"]
[Black "Crespo de Oliveira, Lucas"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "2011"]
[BlackElo "2110"]
[PlyCount "78"]
[EventDate "2010.01.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Be2 Nc6 4. 0-0 Be7 5. c3 d5 6. exd5 exd5 7. Re1 Nf6 8. d4 0-0 9. h3 h6 10. dxc5 Bxc5 11. b4 Bb6 12. Bd3 Be6 13. a4 a6 14. Nbd2 d4 15. Ne4 Nxe4 16. Rxe4 dxc3 17. Rxe6 fxe6 18. Qe2 Nd4 19. Qe4 Nxf3+ 20. gxf3 Rf6 21. Ra2 Qd5 22. Rc2 Bd4 23. Kg2 b5 24. Qh7+ Kf7 25. Be4 Qd8 26. axb5 axb5 27. h4 Qh8 28. Qxh8 Rxh8 29. Ra2 Rb8 30. h5 Ke7 31. Kg3 Rff8 32. Kg4 Rfc8 33. Bf4 e5 34. Bc1 Rc4 35. Kf5 Rc7 36. f4 Rf8+ 37. Kg4 Ra7 38. Re2 Ra1 39. Rc2 Rxc1 0-1

[Event "Mineiro-ch"]
[Site "Belo Horizonte"]
[Date "2010.01.09"]
[Round "10"]
[White "Gazel Pereira, Frederico"]
[Black "Da Costa, Joao Carlos"]
[Result "1-0"]
[ECO "A03"]
[WhiteElo "2275"]
[BlackElo "2011"]
[PlyCount "69"]
[EventDate "2010.01.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. f4 Nf6 2. Nf3 d5 3. e3 c6 4. b3 Bg4 5. Be2 Nbd7 6. Bb2 e6 7. 0-0 h6 8. Ne5 Bxe2 9. Qxe2 Bd6 10. d3 Qc7 11. Nxd7 Kxd7 12. e4 e5 13. d4 exd4 14. e5 Bc5 15. Kh1 Rae8 16. Nd2 Kc8 17. Qd3 Ne4 18. Nxe4 dxe4 19. Qxe4 Qb6 20. Qf5+ Kb8 21. Qxf7 Be7 22. Qxg7 c5 23. f5 Rhg8 24. Qf7 Qc6 25. Rf3 Bh4 26. Qh5 Qe4 27. f6 Rxe5 28. f7 Rf8 29. Qxh6 Qe1+ 30. Rf1 Rxf7 31. Rfxe1 Rxe1+ 32. Rxe1 Bxe1 33. Qd6+ Rc7 34. Bc1 Ba5 35. Qd8+ 1-0

[Event "Mineiro-ch"]
[Site "Belo Horizonte"]
[Date "2010.01.08"]
[Round "7"]
[White "Da Costa, Joao Carlos"]
[Black "Marques, Joao Paulo Cassemir"]
[Result "1/2-1/2"]
[ECO "A82"]
[WhiteElo "2011"]
[BlackElo "1881"]
[PlyCount "67"]
[EventDate "2010.01.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 f5 2. e4 fxe4 3. f3 e3 4. Bxe3 Nf6 5. c4 e6 6. a3 Be7 7. Bd3 0-0 8. Qc2 d5 9. Nh3 dxc4 10. Bxc4 Nd5 11. Bd2 Nc6 12. Bd3 h6 13. Nc3 Nxd4 14. Qd1 e5 15. Nf2 Nf4 16. Bxf4 exf4 17. 0-0 Nf5 18. Qb3+ Kh8 19. Bxf5 Rxf5 20. Rad1 Qg8 21. Qxg8+ Kxg8 22. Rfe1 Kf7 23. Nd5 Bd6 24. Ne4 b6 25. Nxd6+ cxd6 26. Nc7 Rb8 27. Rxd6 Rb7 28. Nd5 h5 29. h4 Be6 30. Rexe6 Rxd5 31. Rf6+ gxf6 32. Rxd5 Kg6 33. Rd4 Kf5 34. Rd5+ 1/2-1/2

[Event "Mineiro-ch"]
[Site "Belo Horizonte"]
[Date "2010.01.08"]
[Round "8"]
[White "De Carvalho, Laerte Dias"]
[Black "Da Costa, Joao Carlos"]
[Result "1-0"]
[ECO "C41"]
[BlackElo "2011"]
[PlyCount "59"]
[EventDate "2010.01.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 d6 3. d4 Nf6 4. Nc3 Bg4 5. h3 Bxf3 6. gxf3 Nbd7 7. Bc4 c6 8. Be3 Qa5 9. Qd2 Be7 10. 0-0-0 b5 11. Bb3 c5 12. dxc5 dxc5 13. Bd5 Rd8 14. Kb1 Kf8 15. Rhg1 Nh5 16. Bg5 Ndf6 17. Qe3 h6 18. Bxf6 Nxf6 19. f4 b4 20. Ne2 Nxd5 21. exd5 Rd6 22. fxe5 Ra6 23. Nc1 c4 24. d6 Bd8 25. e6 fxe6 26. Qxe6 b3 27. cxb3 cxb3 28. Rd5 bxa2+ 29. Ka1 Bf6 30. Rxa5 1-0

[Event "Mineiro-ch"]
[Site "Belo Horizonte"]
[Date "2010.01.07"]
[Round "5"]
[White "Da Costa, Joao Carlos"]
[Black "Nery Junior, Jose Antonio"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "2011"]
[BlackElo "2027"]
[PlyCount "118"]
[EventDate "2010.01.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Bd3 e5 4. Ne2 c6 5. c3 Be7 6. Ng3 Qb6 7. Nd2 Be6 8. Nf5 Bf8 9. 0-0 g6 10. Ne3 Bg7 11. Kh1 exd4 12. Nec4 Qc7 13. cxd4 d5 14. e5 dxc4 15. exf6 Bxf6 16. Bxc4 Bxc4 17. Nxc4 0-0 18. Qf3 Bxd4 19. Bf4 Qd8 20. Rfd1 Qf6 21. Rxd4 Qxd4 22. Be5 Qh4 23. g3 Qg5 24. Rd1 f6 25. Bf4 Qf5 26. Qb3 Qb5 27. Qc3 c5 28. Bh6 Na6 29. Nd6 Qc6+ 30. Kg1 b5 31. Bxf8 Rxf8 32. Qb3+ c4 33. Qxb5 Qxb5 34. Nxb5 Rb8 35. Nd6 Rxb2 36. Nxc4 Rxa2 37. Rd8+ Kf7 38. Rd7+ Kg8 39. Rd8+ Kg7 40. Rd7+ Kh6 41. Rxa7 Nb4 42. Rf7 Ra6 43. h4 Nd5 44. Rd7 Ra1+ 45. Kg2 Rd1 46. Rf7 Rd4 47. Ne3 Nxe3+ 48. fxe3 Rd2+ 49. Kf3 Rd6 50. g4 Rd1 51. Rxf6 Rf1+ 52. Ke4 Rxf6 53. g5+ Kg7 54. gxf6+ Kxf6 55. Kf4 h6 56. Ke4 Ke6 57. Kf4 Kf6 58. Ke4 Ke6 59. Kf4 Kf6 1/2-1/2

[Event "Mineiro-ch"]
[Site "Belo Horizonte"]
[Date "2010.01.07"]
[Round "6"]
[White "Magalhaes, Joao Luiz"]
[Black "Da Costa, Joao Carlos"]
[Result "0-1"]
[ECO "A16"]
[WhiteElo "1924"]
[BlackElo "2011"]
[PlyCount "64"]
[EventDate "2010.01.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Bg2 Bg7 4. Nc3 c6 5. e4 e5 6. Nge2 d6 7. 0-0 Na6 8. h3 Be6 9. d3 Qd7 10. Kh2 Rd8 11. f4 h5 12. fxe5 Nh7 13. Nf4 dxe5 14. Nxe6 Qxe6 15. h4 Nc5 16. Rf3 Qd6 17. Bf1 Nf6 18. Qc2 Ng4+ 19. Kh1 Ne6 20. Ne2 0-0 21. Rb1 a5 22. a3 f5 23. exf5 gxf5 24. b4 axb4 25. axb4 e4 26. dxe4 fxe4 27. Rxf8+ Rxf8 28. Bh3 Nf2+ 29. Kg2 Nxh3 30. Kxh3 Rf2 31. Qxe4 Qd7 32. g4 Qd6 0-1

[Event "Mineiro-ch"]
[Site "Belo Horizonte"]
[Date "2010.01.06"]
[Round "4"]
[White "Da Silva, Jose Carlos Peixoto"]
[Black "Da Costa, Joao Carlos"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1702"]
[BlackElo "2011"]
[PlyCount "103"]
[EventDate "2010.01.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 c6 4. c3 g6 5. Nf3 Bg7 6. Be2 Nbd7 7. h3 Qb6 8. Qb3 Qxb3 9. axb3 c5 10. 0-0 0-0 11. Ne5 cxd4 12. exd4 Nxe5 13. Bxe5 Bd7 14. Nd2 Bh6 15. Nf3 Nh5 16. g4 Nf4 17. Bxf4 Bxf4 18. Ne5 Be6 19. Nd3 Bd6 20. Bf3 h5 21. Kg2 Kg7 22. gxh5 Rh8 23. Rg1 gxh5 24. Kh1+ Kf6 25. h4 Bf5 26. Nc5 Bxc5 27. dxc5 e6 28. Rg5 a6 29. Rag1 Bg6 30. Be2 Rac8 31. b4 Rcd8 32. Rd1 Rhg8 33. Kh2 e5 34. f4 exf4 35. Rdxd5 Rxd5 36. Rxd5 Be4 37. Rg5 Rxg5 38. hxg5+ Kxg5 39. c4 f3 40. Bf1 Kf4 41. b5 Ke3 42. Kg3 Kd4 43. c6 bxc6 44. bxa6 c5 45. Kf2 f5 46. a7 Ba8 47. Bh3 Kxc4 48. Bxf5 Kb3 49. Bg6 Kxb2 50. Bxh5 c4 51. Bxf3 c3 52. Bd1 1/2-1/2

[Event "Mineiro-ch"]
[Site "Belo Horizonte"]
[Date "2010.01.06"]
[Round "3"]
[White "Molina, Roberto Junio Brito"]
[Black "Da Costa, Joao Carlos"]
[Result "1-0"]
[ECO "C61"]
[WhiteElo "2376"]
[BlackElo "2011"]
[PlyCount "53"]
[EventDate "2010.01.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nd4 4. Nxd4 exd4 5. 0-0 Ne7 6. d3 Ng6 7. c3 Bc5 8. Nd2 dxc3 9. bxc3 Qg5 10. Ba4 Nf4 11. Qf3 Bd6 12. Nc4 Qf6 13. Nxd6+ cxd6 14. Bxf4 0-0 15. Rac1 Qg6 16. Qg3 Qh5 17. Bxd6 Re8 18. Bb3 a5 19. f4 a4 20. Bd5 Ra6 21. f5 b5 22. f6 g6 23. Rce1 Qh6 24. d4 Rb6 25. Bc5 Ra6 26. e5 Qd2 27. h4 1-0

[Event "Mineiro-ch"]
[Site "Belo Horizonte"]
[Date "2010.01.05"]
[Round "2"]
[White "Da Costa, Joao Carlos"]
[Black "Machado, Gilmar Dias"]
[Result "1-0"]
[ECO "C57"]
[WhiteElo "2011"]
[BlackElo "1865"]
[PlyCount "93"]
[EventDate "2010.01.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nd4 6. d3 b5 7. Bb3 Nxb3 8. axb3 Qxd5 9. Qf3 Bb7 10. Qxd5 Nxd5 11. 0-0 Nb4 12. Na3 a6 13. Be3 Be7 14. Ne4 Nd5 15. Bc5 Nf4 16. Bxe7 Kxe7 17. f3 f5 18. Ng3 Kf6 19. Rae1 h5 20. Ne2 Ne6 21. Nb1 g5 22. h3 Rag8 23. Nd2 Rg7 24. Rf2 Rhg8 25. Nf1 g4 26. Nfg3 Kg6 27. fxg4 fxg4 28. hxg4 hxg4 29. Ref1 Kh7 30. Nh5 Rg6 31. Nf6+ Kg7 32. Nxg8 Kxg8 33. Rf6 Kg7 34. Rf7+ Kh6 35. R1f5 e4 36. Ng3 Ng7 37. Re5 exd3 38. cxd3 Rc6 39. Ne4 Rc2 40. Rf6+ Kh7 41. Ng5+ Kg8 42. Rf2 Rc1+ 43. Kh2 Rd1 44. Ne4 Rxd3 45. Nf6+ Kh8 46. Nxg4 Bd5 47. Rf8+ 1-0

[Event "Mineiro-ch"]
[Site "Belo Horizonte"]
[Date "2010.01.05"]
[Round "1"]
[White "Da Silva, Osmar Miranda Jr"]
[Black "Da Costa, Joao Carlos"]
[Result "1/2-1/2"]
[ECO "D60"]
[WhiteElo "2110"]
[BlackElo "2011"]
[PlyCount "75"]
[EventDate "2010.01.05"]
[EventType "tourn"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 h6 6. Bh4 c6 7. Nf3 0-0 8. Bd3 dxc4 9. Bxc4 b5 10. Bd3 Nbd7 11. 0-0 Re8 12. Rc1 Bb7 13. Bb1 b4 14. Ne4 Nxe4 15. Bxe7 Qxe7 16. Bxe4 Rec8 17. Qa4 a5 18. Nd2 Nb6 19. Qc2 a4 20. Qc5 Qxc5 21. Rxc5 Nd5 22. a3 Kf8 23. Rfc1 bxa3 24. bxa3 Ra6 25. Nc4 Ke7 26. g3 f6 27. Rb1 Rc7 28. Bxd5 exd5 29. Nb6 Kd6 30. Rb4 Bc8 31. Nxc8+ Rxc8 32. Kf1 Rca8 33. Ke2 Ra5 34. Rxa5 Rxa5 35. Kd3 Ra7 36. f3 f5 37. e4 fxe4+ 38. fxe4 1/2-1/2

[Event "Belo Horizonte Minero sf"]
[Site "Belo Horizonte"]
[Date "2009.11.29"]
[Round "6.1"]
[White "Da Costa, Joao Carlos"]
[Black "Nery Junior, Jose Antonio"]
[Result "1/2-1/2"]
[ECO "C68"]
[WhiteElo "2011"]
[BlackElo "1990"]
[PlyCount "6"]
[EventDate "2009.11.28"]
[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. Bb5 a6 1/2-1/2

[Event "Belo Horizonte Minero sf"]
[Site "Belo Horizonte"]
[Date "2009.11.29"]
[Round "5.5"]
[White "Diniz, Tito Herculano"]
[Black "Da Costa, Joao Carlos"]
[Result "0-1"]
[ECO "A16"]
[BlackElo "2011"]
[PlyCount "70"]
[EventDate "2009.11.28"]
[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. c4 d5 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. cxd5 Nxd5 7. Nc3 c6 8. a3 Na6 9. Nxd5 cxd5 10. d4 Qb6 11. b4 Bf5 12. Bf4 Rac8 13. Be5 Bh6 14. Nh4 Bc2 15. Qe1 g5 16. Qd2 gxh4 17. e3 Be4 18. f3 Rc2 19. Qe1 Bd3 20. Rf2 Rxf2 21. Qxf2 hxg3 22. Qxg3+ Qg6 23. Qe1 f6 24. Bg3 Bc4 25. Rc1 Nb8 26. Kh1 Nc6 27. Qc3 Qd3 28. f4 Qxc3 29. Rxc3 e6 30. f5 exf5 31. Bh3 Re8 32. Rc2 Bd3 33. Rc3 Rxe3 34. b5 Be4+ 35. Bg2 Rxc3 0-1

[Event "Belo Horizonte Minero sf"]
[Site "Belo Horizonte"]
[Date "2009.11.28"]
[Round "4.8"]
[White "Da Costa, Joao Carlos"]
[Black "De Freitas Sa, Antonio Henrique"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "2011"]
[PlyCount "57"]
[EventDate "2009.11.28"]
[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 c5 2. Nf3 d6 3. Be2 Nc6 4. 0-0 Nf6 5. d3 e5 6. Re1 Be7 7. c3 0-0 8. a4 a5 9. Na3 Bd7 10. Qb3 b6 11. Nb5 Na7 12. d4 Nxb5 13. axb5 cxd4 14. cxd4 Nxe4 15. Bc4 Ng5 16. Bxg5 Bxg5 17. dxe5 Bf4 18. exd6 Bxd6 19. Rad1 Bc7 20. Bd5 Ra7 21. Bc6 Bb8 22. Qd5 Qc8 23. Bxd7 Rxd7 24. Qxd7 Qc2 25. Rc1 Qxb2 26. Rc8 Qb4 27. Rxf8+ Qxf8 28. Re8 g6 29. Rxf8+ 1-0

[Event "Belo Horizonte Minero sf"]
[Site "Belo Horizonte"]
[Date "2009.11.28"]
[Round "2.6"]
[White "Da Costa, Joao Carlos"]
[Black "De Lima, Alisson Pinto"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "2011"]
[BlackElo "1876"]
[PlyCount "34"]
[EventDate "2009.11.28"]
[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 d6 3. Bc4 Be7 4. d4 exd4 5. c3 dxc3 6. Qb3 Be6 7. Qxb7 Nd7 8. Bxe6 fxe6 9. Nxc3 Ngf6 10. Nd4 Nc5 11. Qc6+ Nfd7 12. Ncb5 0-0 13. Qxc7 Nd3+ 14. Ke2 Rxf2+ 15. Kxd3 Ne5+ 16. Ke3 Ng4+ 17. Kd3 Ne5+ 1/2-1/2

[Event "Belo Horizonte Minero sf"]
[Site "Belo Horizonte"]
[Date "2009.11.28"]
[Round "1.8"]
[White "Da Costa Val, Eduardo Henrique"]
[Black "Da Costa, Joao Carlos"]
[Result "0-1"]
[ECO "C54"]
[BlackElo "2011"]
[PlyCount "32"]
[EventDate "2009.11.28"]
[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 Nf6 4. d3 Bc5 5. c3 0-0 6. 0-0 d6 7. Bb3 Bg4 8. Re1 Qd7 9. Nbd2 h6 10. Nf1 Ne7 11. Be3 Bb6 12. Bxb6 axb6 13. Ng3 Ng6 14. d4 Nh5 15. dxe5 Bxf3 16. gxf3 Qh3 0-1

[Event "Belo Horizonte Minero sf"]
[Site "Belo Horizonte"]
[Date "2009.11.28"]
[Round "3.7"]
[White "De Carvalho, Laerte Dias"]
[Black "Da Costa, Joao Carlos"]
[Result "1/2-1/2"]
[ECO "C56"]
[BlackElo "2011"]
[PlyCount "114"]
[EventDate "2009.11.28"]
[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 Nf6 4. d4 d6 5. Ng5 d5 6. exd5 Na5 7. Bb5+ c6 8. dxc6 bxc6 9. Qf3 Bb7 10. Bd3 Qxd4 11. Nc3 Be7 12. Be3 Qg4 13. 0-0-0 Qxf3 14. Nxf3 Ng4 15. Rhe1 Nxe3 16. Rxe3 f6 17. a3 c5 18. Bb5+ Bc6 19. Bxc6+ Nxc6 20. Nd5 Kf7 21. Nxe7 Nxe7 22. Rc3 Rac8 23. Rd7 a5 24. Nd2 Ke6 25. Ra7 Nd5 26. Rc4 Nb6 27. Rg4 g6 28. Rxa5 Rhd8 29. Ra6 Kf5 30. Rh4 Nd5 31. Rxh7 Nf4 32. Rf7 Ne6 33. Nc4 Rc7 34. Rxc7 Nxc7 35. Rc6 Nd5 36. Rxc5 Nf4 37. g3 Ne2+ 38. Kb1 Ke4 39. Ne3 Kf3 40. b4 e4 41. Rc6 Kxf2 42. Ng4+ Ke1 43. Nxf6 Rd1+ 44. Kb2 Nd4 45. Rc4 e3 46. Ne4 Kf1 47. g4 Kg2 48. Ng3 Kxh2 49. Rxd4 Rxd4 50. Nf1+ Kg1 51. Nxe3 Re4 52. Nd5 Rxg4 53. b5 Rd4 54. c4 Rxc4 55. b6 Rc5 56. Nc7 Rc6 57. Nd5 Rc5 1/2-1/2

[Event "Sindilegis op-B"]
[Site "Sindilegis"]
[Date "2009.10.24"]
[Round "?"]
[White "Ferreira, Jonas de Vargas"]
[Black "Da Costa, Joao Carlos"]
[Result "0-1"]
[ECO "C60"]
[WhiteElo "1766"]
[BlackElo "2009"]
[PlyCount "56"]
[EventDate "2009.10.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Qf6 4. Nc3 Nge7 5. 0-0 g5 6. Bxc6 dxc6 7. d4 exd4 8. Bxg5 Qg6 9. Bxe7 Bxe7 10. Qxd4 Rg8 11. g3 Qh5 12. Qe3 Bg4 13. Nd4 0-0-0 14. Nf5 Bg5 15. f4 Bf6 16. e5 Kb8 17. Ne4 Bh8 18. Nd4 Rge8 19. Nc5 Qh6 20. Qb3 b6 21. c3 Ka8 22. Na6 Rd7 23. a4 Bxe5 24. fxe5 Qe3+ 25. Kh1 Rxd4 26. Rae1 Bf3+ 27. Rxf3 Qxf3+ 28. Kg1 Rd2 0-1

[Event "Sindilegis op-B"]
[Site "Sindilegis"]
[Date "2009.10.23"]
[Round "?"]
[White "Dagobert, Dirk"]
[Black "Da Costa, Joao Carlos"]
[Result "1-0"]
[ECO "C27"]
[WhiteElo "2213"]
[BlackElo "2009"]
[PlyCount "93"]
[EventDate "2009.10.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2012"]
[Source "ChessBase"]
[SourceDate "2011.11.24"]
[SourceVersion "1"]
[SourceVersionDate "2011.11.24"]
[SourceQuality "1"]

1. e4 e5 2. Nc3 Bc5 3. Bc4 Nf6 4. Nf3 0-0 5. Nxe5 Qe7 6. d4 Bb4 7. 0-0 Bxc3 8. bxc3 d6 9. Nf3 Bg4 10. Re1 Nbd7 11. Bd3 Bh5 12. Rb1 Rfe8 13. Bg5 h6 14. Bf4 g5 15. Bg3 Qf8 16. e5 Nd5 17. Qd2 Bxf3 18. gxf3 dxe5 19. dxe5 Qg7 20. Bh7+ Qxh7 21. Qxd5 Nb6 22. Qe4 Qxe4 23. Rxe4 Re6 24. f4 Nd5 25. f5 Rc6 26. Rd4 Nxc3 27. Re1 Re8 28. Rd7 Nxa2 29. e6 fxe6 30. f6 Rf8 31. Rg7+ Kh8 32. Rxc7 Rxc7 33. Bxc7 Nb4 34. Rxe6 Nc6 35. h4 Rf7 36. Bd6 Kh7 37. h5 Kg8 38. Re8+ Kh7 39. Be7 b5 40. Kg2 b4 41. Kg3 a5 42. Kg4 a4 43. Kf5 Nxe7+ 44. Rxe7 Kg8 45. Kg6 Rf8 46. Rg7+ Kh8 47. f7 1-0

[Event "Cananeia I IRT Aberto Festa"]
[Site "Cananeia"]
[Date "2009.08.15"]
[Round "1"]
[White "Da Costa, Joao Carlos"]
[Black "De Oliveira, Joao Aparecido"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2007"]
[BlackElo "1913"]
[PlyCount "83"]
[EventDate "2009.08.15"]
[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 c6 2. c4 d5 3. cxd5 cxd5 4. Qa4+ Bd7 5. Qb3 Bc6 6. Nf3 Qb6 7. Qxb6 axb6 8. exd5 Bxd5 9. Be2 Nf6 10. Nc3 Bc6 11. 0-0 e6 12. Nb5 Ra5 13. a4 Nd5 14. d4 Nd7 15. Bd2 Bb4 16. Bxb4 Nxb4 17. Nd6+ Ke7 18. Nc4 Rxa4 19. Rxa4 Bxa4 20. Nfe5 Nd5 21. Bf3 Nxe5 22. Nxe5 Rc8 23. g3 Bb5 24. Re1 Kf8 25. Be4 f5 26. Bg2 Rc2 27. b3 Rc3 28. Nf3 Rxb3 29. Ng5 Nc7 30. Bxb7 h6 31. Nf3 Rb4 32. Bc8 Bc6 33. Ne5 Bd5 34. f3 Nb5 35. Nd7+ Kf7 36. Nxb6 Nxd4 37. Nxd5 exd5 38. Re3 Rb3 39. Rxb3 Nxb3 40. Bxf5 Kf6 41. Bd3 Ke5 42. Kf2 1/2-1/2

[Event "Cananeia I IRT Aberto Festa"]
[Site "Cananeia"]
[Date "2009.08.15"]
[Round "6"]
[White "Da Costa, Joao Carlos"]
[Black "Fermino, Ricardo Lisias Aida"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "2007"]
[PlyCount "17"]
[EventDate "2009.08.15"]
[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 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Be2 Nf6 6. Bf3 Qc7 7. 0-0 Bd6 8. g3 b5 9. e5 1-0

[Event "Cananeia I IRT Aberto Festa"]
[Site "Cananeia"]
[Date "2009.08.15"]
[Round "3"]
[White "Da Costa, Joao Carlos"]
[Black "Medeiros, Paulo Ricardo"]
[Result "0-1"]
[ECO "C07"]
[WhiteElo "2007"]
[PlyCount "38"]
[EventDate "2009.08.15"]
[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 e6 2. d4 d5 3. Nd2 c5 4. c3 cxd4 5. cxd4 Qb6 6. Ngf3 Bb4 7. Bd3 dxe4 8. Bxe4 Nf6 9. Bc2 Nc6 10. a3 Be7 11. Nc4 Qb5 12. Nfe5 Qd5 13. Nxc6 Qxg2 14. Rf1 bxc6 15. Bf4 Ba6 16. Ne3 Qh3 17. Rg1 Nh5 18. Be5 Bh4 19. Be4 Qxe3+ 0-1

[Event "American Continental 06th"]
[Site "Sao Paulo"]
[Date "2009.08.02"]
[Round "10"]
[White "Da Costa, Joao Carlos"]
[Black "Britez, G Jorge A"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2007"]
[BlackElo "1877"]
[PlyCount "45"]
[EventDate "2009.07.25"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. c4 d5 3. cxd5 cxd5 4. Qa4+ Bd7 5. Qb3 Bc6 6. Nf3 dxe4 7. Bc4 e6 8. Ne5 Qc7 9. Nxf7 Qxf7 10. Bxe6 Qf6 11. d4 Bb4+ 12. Nc3 Ne7 13. 0-0 Bxc3 14. bxc3 Nd7 15. Ba3 Nb6 16. Bxe7 Qxe7 17. a4 Rd8 18. f3 exf3 19. Rae1 Qf6 20. Bg4+ Kf8 21. Bxf3 Bxf3 22. Rxf3 Qxf3 23. gxf3 1-0

[Event "American Continental 06th"]
[Site "Sao Paulo"]
[Date "2009.07.30"]
[Round "7"]
[White "Mendes, David F"]
[Black "Da Costa, Joao Carlos"]
[Result "0-1"]
[ECO "D09"]
[WhiteElo "1827"]
[BlackElo "2007"]
[PlyCount "46"]
[EventDate "2009.07.25"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 e5 3. dxe5 d4 4. Nf3 Nc6 5. g3 Nge7 6. Bg2 Ng6 7. 0-0 Be7 8. Na3 Bxa3 9. bxa3 Ngxe5 10. Nxe5 Nxe5 11. Qb3 0-0 12. Bb2 Be6 13. Bd5 c5 14. Bxe6 fxe6 15. Rad1 Qf6 16. e3 Nf3+ 17. Kg2 Nh4+ 18. gxh4 Qf3+ 19. Kg1 Rf6 20. h5 Rf5 21. h4 Qg4+ 22. Kh2 Qxh4+ 23. Kg2 Qg4+ 0-1

[Event "American Continental 06th"]
[Site "Sao Paulo"]
[Date "2009.07.29"]
[Round "6"]
[White "Da Costa, Joao Carlos"]
[Black "Gomez, Miguel1111"]
[Result "0-1"]
[ECO "B06"]
[WhiteElo "2007"]
[BlackElo "2062"]
[PlyCount "48"]
[EventDate "2009.07.25"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nf3 d6 4. Be2 Bg4 5. h3 Bxf3 6. Bxf3 Nc6 7. c3 e5 8. Be3 Nge7 9. d5 Nb8 10. Qb3 b6 11. Na3 0-0 12. 0-0 f5 13. Bg5 h6 14. Bxe7 Qxe7 15. exf5 gxf5 16. c4 Nd7 17. Rac1 e4 18. Be2 f4 19. Nb5 Nc5 20. Qc2 f3 21. Bd1 Rae8 22. Qd2 Nd3 23. Rc2 Nf4 24. g3 Qd7 0-1

[Event "American Continental 06th"]
[Site "Sao Paulo"]
[Date "2009.07.28"]
[Round "5"]
[White "Markzon, Gregory"]
[Black "Da Costa, Joao Carlos"]
[Result "1-0"]
[ECO "A60"]
[WhiteElo "2231"]
[BlackElo "2007"]
[PlyCount "69"]
[EventDate "2009.07.25"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 c5 4. d5 d6 5. g3 e5 6. Bg2 Be7 7. f4 a6 8. Nf3 Nbd7 9. 0-0 Qb6 10. e4 h6 11. Qd3 0-0 12. Nd1 Re8 13. f5 Nf8 14. Nf2 N8h7 15. g4 Kh8 16. h4 Qd8 17. g5 Ng8 18. Nh3 b5 19. b3 Ra7 20. Be3 Bf8 21. Qd2 Rb7 22. Nh2 bxc4 23. bxc4 Qb6 24. Rf2 Qb4 25. Qe2 Qa4 26. Raf1 Rb4 27. g6 fxg6 28. fxg6 Nhf6 29. Ng5 Re7 30. Nf7+ Rxf7 31. gxf7 Ne7 32. Rxf6 gxf6 33. Qh5 Kh7 34. Bxh6 Bxh6 35. f8Q 1-0

[Event "American Continental 06th"]
[Site "Sao Paulo"]
[Date "2009.07.27"]
[Round "4"]
[White "Da Costa, Joao Carlos"]
[Black "De Mello, Rodrigo"]
[Result "1-0"]
[ECO "B10"]
[WhiteElo "2007"]
[BlackElo "1819"]
[PlyCount "91"]
[EventDate "2009.07.25"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 c6 2. c4 d5 3. cxd5 cxd5 4. Qa4+ Nc6 5. Bb5 d4 6. Nf3 a6 7. Bxc6+ bxc6 8. Qxc6+ Bd7 9. Qd5 Bb5 10. Qxd4 Nf6 11. Nc3 Bd3 12. e5 Qxd4 13. Nxd4 Ng4 14. e6 Rd8 15. exf7+ Kxf7 16. Nde2 e6 17. h3 Nf6 18. 0-0 Bc5 19. Re1 e5 20. Ng3 Rhe8 21. Nge4 Nxe4 22. Nxe4 Bd4 23. a4 Kg8 24. Ra3 Bxe4 25. Rxe4 Rf8 26. Re2 Rc8 27. Ra1 Rc2 28. Kf1 Rfc8 29. Re1 Bxb2 30. Bxb2 Rxb2 31. Rxe5 Rxd2 32. Rb1 Rcc2 33. Rf5 g6 34. Rf4 Ra2 35. g4 Rd5 36. Rb8+ Kg7 37. Rb7+ Kg8 38. h4 Rdd2 39. g5 Rd6 40. Rbf7 Rd8 41. Ra7 Rd6 42. Rc4 Rd8 43. Rxa6 Rf8 44. f4 Rb8 45. Rc1 Rbb2 46. Rc8+ 1-0

[Event "American Continental 06th"]
[Site "Sao Paulo"]
[Date "2009.07.26"]
[Round "3"]
[White "Cornejo, Max"]
[Black "Da Costa, Joao Carlos"]
[Result "1-0"]
[ECO "C47"]
[WhiteElo "2371"]
[BlackElo "2007"]
[PlyCount "47"]
[EventDate "2009.07.25"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 d6 5. d4 exd4 6. Nxd4 Be7 7. Be2 0-0 8. 0-0 Re8 9. Re1 h6 10. Bf4 Bf8 11. Nxc6 bxc6 12. Bf3 Bb7 13. Qd2 Rb8 14. Rad1 Ba8 15. b4 Qc8 16. e5 dxe5 17. Bxe5 Rxe5 18. Rxe5 Bd6 19. Ra5 Qe6 20. Re1 Qd7 21. g3 Rd8 22. Ne4 Nxe4 23. Bxe4 Bb7 24. Bf5 1-0

[Event "American Continental 06th"]
[Site "Sao Paulo"]
[Date "2009.07.26"]
[Round "2"]
[White "Da Costa, Joao Carlos"]
[Black "Da Silva, Jose Carlos Peixoto"]
[Result "1/2-1/2"]
[ECO "C10"]
[WhiteElo "2007"]
[PlyCount "24"]
[EventDate "2009.07.25"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bd7 5. Nf3 Bc6 6. Bd3 Nd7 7. 0-0 Ngf6 8. Ng3 Be7 9. c3 0-0 10. Re1 Bxf3 11. Qxf3 c6 12. Bd2 Qb6 1/2-1/2

[Event "American Continental 06th"]
[Site "Sao Paulo"]
[Date "2009.07.25"]
[Round "1"]
[White "Espinoza Palomino, Willyam"]
[Black "Da Costa, Joao Carlos"]
[Result "1-0"]
[ECO "C89"]
[WhiteElo "2272"]
[BlackElo "2007"]
[PlyCount "87"]
[EventDate "2009.07.25"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 132 Extra"]
[Source "ChessBase"]
[SourceDate "2009.11.03"]
[SourceVersion "1"]
[SourceVersionDate "2009.11.03"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Be7 7. Re1 0-0 8. c3 d5 9. exd5 Nxd5 10. Nxe5 Nxe5 11. Rxe5 c6 12. d4 Bd6 13. Re1 Qh4 14. g3 Qh3 15. Be3 Bg4 16. Qd3 Rae8 17. Nd2 Kh8 18. Bxd5 cxd5 19. Qf1 Qh5 20. a4 f5 21. f4 Re6 22. axb5 Rh6 23. Qf2 axb5 24. Nf1 b4 25. Ra5 bxc3 26. bxc3 Re6 27. Rxd5 h6 28. Ra1 Bf3 29. Rda5 g5 30. Re1 gxf4 31. Bxf4 Rxe1 32. Qxe1 Re8 33. Be5+ Kg8 34. Qe3 Be7 35. Qd2 Be4 36. Qa2+ Kf8 37. Qe6 Bd3 38. Bf4 Kg7 39. Ra7 Qe2 40. Qxe2 Bxe2 41. Bd6 Kf6 42. Rxe7 Rxe7 43. Bxe7+ Kxe7 44. Kf2 1-0

[Event "BRA-ch Mineiro sf"]
[Site "Nova Lima"]
[Date "2008.12.07"]
[Round "6.7"]
[White "Da Costa, Joao Carlos"]
[Black "Gomes, Marco Tulio Caldeir"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "2018"]
[BlackElo "1872"]
[PlyCount "60"]
[EventDate "2008.12.05"]
[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 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Bf5 5. Nc3 Nf6 6. Bb5+ Nc6 7. 0-0 Qc7 8. Ne5 e6 9. Re1 Bd6 10. g4 Bg6 11. g5 Ne4 12. Nxd5 exd5 13. f3 Bxe5 14. dxe5 Qb6+ 15. Be3 Qxb5 16. fxe4 Bxe4 17. b3 0-0-0 18. c4 Qb4 19. a3 Qe7 20. cxd5 Bxd5 21. Qg4+ Qe6 22. Qg3 h6 23. Rac1 hxg5 24. Bxg5 Rh3 25. Qf4 Rdh8 26. Re2 Rf3 27. Qa4 Qh3 28. Qd4 Rg3+ 29. Kf2 Qxh2+ 30. Ke1 Qh1+ 0-1

