[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.27"]
[Round "9"]
[White "Antunes, Luan Netto Nikifork"]
[Black "Costa, Ricardo Santos"]
[Result "1/2-1/2"]
[ECO "B76"]
[BlackElo "1731"]
[PlyCount "59"]
[EventDate "2024.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 Bg7 7. 0-0 0-0 8. Bb3 Bd7 9. Be3 Nc6 10. f3 Na5 11. Qd2 a6 12. Rad1 Rc8 13. Kh1 Nc4 14. Bxc4 Rxc4 15. Bh6 Nxe4 16. Nxe4 Rxd4 17. Qe3 Bxh6 18. Qxd4 Bg7 19. Qb4 Bc6 20. c3 Qc7 21. Qb3 Qa5 22. Rde1 d5 23. Ng3 e6 24. Ne2 Bb5 25. a3 Qc7 26. Qd1 Be5 27. f4 Bxe2 28. Qxe2 Bxf4 29. Qf3 Bd6 30. g3 1/2-1/2

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.26"]
[Round "8"]
[White "Costa, Ricardo Santos"]
[Black "El Zwei, Aiman Mohamed"]
[Result "1/2-1/2"]
[ECO "E14"]
[WhiteElo "1731"]
[PlyCount "84"]
[EventDate "2024.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. c4 e6 2. d4 d5 3. Nf3 Nf6 4. Nc3 Be7 5. e3 0-0 6. Bd3 b6 7. 0-0 Bb7 8. b3 Nbd7 9. Bb2 c5 10. Rc1 Rc8 11. cxd5 Nxd5 12. Nxd5 Bxd5 13. Bc4 Nf6 14. dxc5 Bxc4 15. Rxc4 Qxd1 16. Rxd1 Rxc5 17. Rdc1 Rfc8 18. Rxc5 Rxc5 19. Rxc5 Bxc5 20. Bxf6 gxf6 21. Kf1 Kf8 22. Ke2 Ke7 23. Kd3 Kd6 24. Kc4 a6 25. b4 b5+ 26. Kb3 Bb6 27. a4 Kd5 28. axb5 axb5 29. Nd2 f5 30. Nb1 f4 31. Nc3+ Kc6 32. exf4 Bxf2 33. Ne4 Bg1 34. h3 Bh2 35. g3 f5 36. Ng5 Kd6 37. g4 Bxf4 38. Nxh7 fxg4 39. hxg4 Ke7 40. g5 Kf7 41. Nf6 Bxg5 42. Ne4 Be7 1/2-1/2

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.25"]
[Round "7"]
[White "Arosteguy, Vitor Augusto Colac"]
[Black "Costa, Ricardo Santos"]
[Result "0-1"]
[ECO "A01"]
[WhiteElo "1385"]
[BlackElo "1731"]
[PlyCount "48"]
[EventDate "2024.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. b3 d5 2. e3 e5 3. Nf3 Bd6 4. Bb2 f6 5. d4 e4 6. Nfd2 Qe7 7. c4 c6 8. Nc3 Be6 9. Be2 f5 10. Rc1 Nf6 11. cxd5 Nxd5 12. Nxd5 Bxd5 13. Bc4 0-0 14. 0-0 Nd7 15. Qe2 Nf6 16. f3 Kh8 17. fxe4 fxe4 18. Rf2 a6 19. Rcf1 b5 20. Bxd5 cxd5 21. Rc1 Qd7 22. Nb1 Bxh2+ 23. Kxh2 Ng4+ 24. Kg1 Nxf2 0-1

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.24"]
[Round "6"]
[White "Costa, Ricardo Santos"]
[Black "Benitez, Andres"]
[Result "0-1"]
[ECO "D30"]
[WhiteElo "1731"]
[BlackElo "1956"]
[PlyCount "114"]
[EventDate "2024.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. c4 e6 2. d4 d5 3. Nf3 a6 4. e3 Nf6 5. Bd3 dxc4 6. Bxc4 b5 7. Be2 c5 8. 0-0 Bb7 9. b3 Nbd7 10. Bb2 Be7 11. Nbd2 0-0 12. a3 Rc8 13. Rc1 Rc7 14. dxc5 Nxc5 15. Bd4 Ncd7 16. b4 Qb8 17. Rxc7 Qxc7 18. Qc1 Qb8 19. Qb2 Re8 20. Rc1 Bd6 21. h3 e5 22. Bc3 Nd5 23. e4 Nxc3 24. Rxc3 Nf8 25. Qc2 Qa8 26. Ne1 Ne6 27. f3 Qa7+ 28. Kf1 Nd4 29. Qd1 Be7 30. Nb3 f5 31. exf5 Nxf5 32. g4 Rd8 33. Qc2 Ne3+ 34. Rxe3 Qxe3 35. Ng2 Qb6 36. Bd3 Bxf3 37. Bxh7+ Kh8 38. Ne1 Bd1 39. Qc3 Kxh7 40. Nc5 Bh4 41. Qxe5 Qf6+ 42. Qxf6 Bxf6 43. Ned3 Bc2 44. Nf4 Bb2 45. Nfe6 Rd6 46. Nc7 Bxa3 47. N7xa6 Bd3+ 48. Kf2 Bc4 49. Nc7 Bxb4 50. Ne4 Rc6 51. Ne8 Rc8 52. N8d6 Bxd6 53. Nxd6 Rd8 54. Ne4 b4 55. Ke3 Re8 56. Kd4 Rxe4+ 57. Kxe4 b3 0-1

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.23"]
[Round "5"]
[White "Nascimento, Pedro Henrique Alve"]
[Black "Costa, Ricardo Santos"]
[Result "1-0"]
[ECO "E91"]
[WhiteElo "1946"]
[BlackElo "1731"]
[PlyCount "139"]
[EventDate "2024.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 g6 2. Nf3 Nf6 3. c4 Bg7 4. Nc3 0-0 5. d4 d6 6. Be2 b6 7. 0-0 Bb7 8. Qc2 c6 9. h3 Nbd7 10. Rd1 Qc7 11. Bg5 h6 12. Bh4 g5 13. Bg3 Nh5 14. Bh2 Nf4 15. Bf1 a6 16. Ne2 Nxe2+ 17. Bxe2 c5 18. d5 Ne5 19. Nxe5 Bxe5 20. Bxe5 dxe5 21. Bg4 Qd6 22. g3 Bc8 23. Kg2 Qg6 24. Bxc8 Raxc8 25. g4 Rcd8 26. f3 Rd6 27. Rh1 Kg7 28. a3 a5 29. b4 axb4 30. axb4 Qf6 31. bxc5 bxc5 32. Rhb1 Rc8 33. Qc3 Rd7 34. Rb5 Qd6 35. Raa5 f6 36. Qa3 Rdc7 37. Ra6 Rc6 38. Ra7 R6c7 39. Rxc7 Qxc7 40. Qa5 Qd6 41. Qb6 Kf7 42. Qxd6 exd6 43. Rb7+ Kg8 44. Rd7 Ra8 45. Rxd6 Ra2+ 46. Kg3 Kf7 47. Rd7+ Ke8 48. Rc7 Ra5 49. h4 Kf8 50. h5 Ke8 51. Kf2 Ra2+ 52. Kg3 Ra5 53. Kh3 Ra3 54. Kg2 Ra2+ 55. Kf1 Ra3 56. Ke2 Ra2+ 57. Kd1 Rf2 58. Rxc5 Rxf3 59. Rc7 Re3 60. c5 Rxe4 61. d6 Rxg4 62. Ke2 Rd4 63. Ke3 f5 64. Re7+ Kd8 65. Rxe5 Rh4 66. Rxf5 Rxh5 67. c6 Rh3+ 68. Ke4 Ke8 69. d7+ Ke7 70. Re5+ 1-0

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.22"]
[Round "3"]
[White "Cordero, Daniela"]
[Black "Costa, Ricardo Santos"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "2028"]
[BlackElo "1731"]
[PlyCount "55"]
[EventDate "2024.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. c4 d6 6. 0-0 c6 7. Bd2 Bf5 8. Nh4 Be4 9. f3 Bxb1 10. Rxb1 Nbd7 11. e4 e5 12. Be3 c5 13. dxe5 dxe5 14. Qd2 b6 15. Rbd1 Re8 16. Bh6 Nf8 17. Qc1 Qc7 18. Bxg7 Kxg7 19. f4 Rad8 20. Nf3 exf4 21. e5 Ng8 22. gxf4 Ne7 23. Ng5 h6 24. Ne4 Rxd1 25. Rxd1 Nc6 26. Nd6 Rd8 27. Bd5 Nd4 28. Qe3 1-0

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.22"]
[Round "4"]
[White "Costa, Ricardo Santos"]
[Black "Nunes, Leonardo De Souza"]
[Result "1-0"]
[ECO "C60"]
[WhiteElo "1731"]
[PlyCount "97"]
[EventDate "2024.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nge7 4. d4 exd4 5. Nxd4 g6 6. Nxc6 bxc6 7. Qd4 Rg8 8. Ba4 Bg7 9. Qd3 c5 10. 0-0 Kf8 11. Rd1 d6 12. c4 Bd7 13. Bxd7 Qxd7 14. Nc3 h6 15. Be3 Qc8 16. Qd2 g5 17. Rab1 Ng6 18. b3 Nh4 19. f3 g4 20. Bxh6 Nxf3+ 21. gxf3 gxf3 22. Kh1 Qh3 23. Bxg7+ Rxg7 24. Rg1 Rg2 25. Rxg2 fxg2+ 26. Kg1 Re8 27. Re1 Qf3 28. Qe3 Qh5 29. Nd5 Re5 30. Nf4 Qh6 31. Nxg2 Qg6 32. Qg3 Rg5 33. Qf3 Kg7 34. Kh1 Qh6 35. Rf1 f6 36. Nf4 Kf7 37. Nd5 Rg6 38. Qxf6+ Rxf6 39. Rxf6+ Qxf6 40. Nxf6 Kxf6 41. Kg2 c6 42. Kg3 Kg5 43. h3 a5 44. a4 d5 45. exd5 cxd5 46. cxd5 Kf5 47. Kf3 Ke5 48. Ke3 Kxd5 49. h4 1-0

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.21"]
[Round "2"]
[White "Costa, Ricardo Santos"]
[Black "Costa, Flavio Luis Cesar"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "1731"]
[BlackElo "1994"]
[PlyCount "44"]
[EventDate "2024.01.20"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CB05_2024"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nc6 5. c4 Nf6 6. Bd3 Bg4 7. Be3 dxc4 8. Bxc4 e6 9. 0-0 Be7 10. Nc3 0-0 11. a3 Rc8 12. Be2 a6 13. Rc1 Qa5 14. Qa4 Qxa4 15. Nxa4 Nd5 16. Nc3 Rfd8 17. h3 Bf5 18. Nxd5 exd5 19. Rc3 Na5 20. Rfc1 Rxc3 21. Rxc3 Rc8 22. Rxc8+ Bxc8 1/2-1/2

[Event "Santo Antonio de Jesus Bahia op"]
[Site "Santo Antonio de Jesus"]
[Date "2022.07.10"]
[Round "6"]
[White "Costa, Ricardo Santos"]
[Black "Freitas, Remulo Aguiar"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1738"]
[BlackElo "2111"]
[PlyCount "102"]
[EventDate "2022.07.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c5 3. e3 b6 4. Be2 Bb7 5. 0-0 e6 6. c3 Qc7 7. Nbd2 g5 8. Ne5 d6 9. Ng4 Nd5 10. e4 Nf4 11. Bb5+ Ke7 12. Re1 a6 13. Bf1 h5 14. Ne3 Nd7 15. d5 g4 16. c4 Bg7 17. Nb1 Be5 18. Nc3 Rag8 19. Bd3 Nf6 20. Nf1 h4 21. Bxf4 Bxf4 22. Ne2 Be5 23. Rb1 Nh5 24. Qd2 Rg6 25. a3 Rhg8 26. b4 g3 27. fxg3 hxg3 28. h3 Rf6 29. Ne3 Rf2 30. Rf1 Nf4 31. Rxf2 gxf2+ 32. Kxf2 Nxe2 33. Qxe2 Bd4 34. Kf1 Kd8 35. Nc2 Be5 36. b5 a5 37. Ne3 Bc8 38. a4 Qe7 39. Ng4 Bd4 40. Nh2 e5 41. Nf3 Qf6 42. Qe1 Bxh3 43. Qh4 Bxg2+ 44. Ke1 Qxh4+ 45. Nxh4 Bxe4 46. Ke2 Rg4 47. Nf5 Rg2+ 48. Kf1 Rf2+ 49. Ke1 Bxd3 50. Nxd4 exd4 51. Rb3 Re2+ 0-1

[Event "Santo Antonio de Jesus Bahia op"]
[Site "Santo Antonio de Jesus"]
[Date "2022.07.09"]
[Round "4"]
[White "Costa, Ricardo Santos"]
[Black "De Jesus, Lucas Paranhos"]
[Result "0-1"]
[ECO "D04"]
[WhiteElo "1738"]
[BlackElo "1928"]
[PlyCount "158"]
[EventDate "2022.07.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Bf5 3. e3 e6 4. Bd3 Bxd3 5. Qxd3 Nf6 6. 0-0 c6 7. b3 Bd6 8. Nbd2 0-0 9. Re1 Nbd7 10. Bb2 Qc7 11. c4 Bb4 12. a3 Bxd2 13. Qxd2 Ne4 14. Qe2 Qb6 15. b4 Qd8 16. c5 Ng5 17. Ne5 Ne4 18. f3 Nef6 19. Nd3 Re8 20. g4 Nf8 21. Qf2 N6d7 22. h4 Qc7 23. Qh2 Qxh2+ 24. Kxh2 Rad8 25. Kg3 f5 26. g5 g6 27. Ne5 Nxe5 28. dxe5 Nd7 29. Bd4 Kg7 30. a4 h6 31. f4 hxg5 32. hxg5 Rh8 33. Rh1 Rxh1 34. Rxh1 Rh8 35. Rxh8 Kxh8 36. a5 Nb8 37. Kf3 Kg7 38. Ke2 Kf8 39. Kd3 Na6 40. Kc3 Nc7 41. Kb3 Nb5 42. Ka4 Ke7 43. Kb3 Kd7 44. Ka4 Nc7 45. Kb3 Na8 46. Ka4 Kc7 47. Kb3 b6 48. axb6+ axb6 49. Ka4 Kb7 50. Kb3 Ka6 51. Ka4 Nc7 52. Kb3 bxc5 53. Bxc5 Kb5 54. Bd4 Na6 55. Bc3 c5 56. bxc5 Nxc5+ 57. Kc2 Kc4 58. Bd4 Ne4 59. Bb6 Nf2 60. Bd4 Nd3 61. Kd2 Nb4 62. Bc3 Nc6 63. Bb2 d4 64. Ke2 d3+ 65. Kd2 Na5 66. Ba3 Nb3+ 67. Kd1 Kd5 68. Bb4 Ke4 69. Bd2 Na1 70. Ke1 Kf3 71. Bc3 Nc2+ 72. Kd2 Nxe3 73. Kxd3 Nd5 74. Bb2 Kxf4 75. Kd4 Kxg5 76. Kc5 f4 77. Kd6 Kf5 78. Bd4 g5 79. Bf2 Ne3 0-1

[Event "Santo Antonio de Jesus Bahia op"]
[Site "Santo Antonio de Jesus"]
[Date "2022.07.09"]
[Round "5"]
[White "Rabello, Lorenzzo Urubatan B"]
[Black "Costa, Ricardo Santos"]
[Result "0-1"]
[ECO "B35"]
[WhiteElo "1269"]
[BlackElo "1738"]
[PlyCount "134"]
[EventDate "2022.07.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 d6 7. Bc4 Nf6 8. 0-0 Bd7 9. a3 0-0 10. h3 Nxd4 11. Bxd4 Bc6 12. Re1 a6 13. Bb3 b5 14. Nd5 Bxd5 15. Bxd5 Nxd5 16. Bxg7 Kxg7 17. Qxd5 f6 18. Rad1 Qc7 19. Rc1 Rac8 20. Re3 Qc6 21. Qe6 Qb7 22. Rb3 Rc5 23. Re3 Re5 24. Qg4 Rc8 25. Qe2 Rc4 26. f3 Qb6 27. b3 Rc3 28. Re1 Rec5 29. Rxc3 Rxc3+ 30. Kh1 Qc5 31. b4 Qc6 32. Rc1 Rxa3 33. Qf2 Qc7 34. Qd4 Rc3 35. Qd2 Qc4 36. Qf2 Qc7 37. Qd2 Rc4 38. c3 a5 39. bxa5 Qxa5 40. Qd5 Rc5 41. Qe6 Qc7 42. Qb3 Qa5 43. Rc2 Qa4 44. Qxa4 bxa4 45. Ra2 Rc4 46. Ra3 e6 47. Kg1 Kf7 48. Kf2 Ke7 49. Ke3 d5 50. exd5 exd5 51. Kd3 Kd6 52. g3 Kc5 53. g4 d4 54. cxd4+ Rxd4+ 55. Kc3 Rf4 56. Kb2 Kb4 57. Re3 Rd4 58. Re2 a3+ 59. Ka2 h5 60. Rc2 hxg4 61. hxg4 Rd3 62. Rf2 Kc4 63. f4 Kd4 64. f5 g5 65. Rh2 Rg3 66. Rh6 Ke5 67. Rh7 Rxg4 0-1

[Event "Santo Antonio de Jesus Bahia op"]
[Site "Santo Antonio de Jesus"]
[Date "2022.07.08"]
[Round "2"]
[White "Costa, Ricardo Santos"]
[Black "Barata, Adriano Albiani"]
[Result "0-1"]
[ECO "A37"]
[WhiteElo "1738"]
[BlackElo "2144"]
[PlyCount "80"]
[EventDate "2022.07.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 g6 3. g3 Bg7 4. Bg2 Nc6 5. 0-0 e6 6. Nc3 Nge7 7. d3 0-0 8. Bd2 d5 9. cxd5 exd5 10. Rc1 b6 11. b3 Bb7 12. a3 Qd7 13. Re1 d4 14. Na4 Nd5 15. Nb2 Rfe8 16. Rc2 Nc3 17. Bxc3 dxc3 18. Nc4 b5 19. Ne3 Nd4 20. Nxd4 cxd4 21. Bxb7 Qxb7 22. Ng2 b4 23. a4 Qd5 24. Rc1 Bh6 25. e4 dxe3 26. Nxe3 Bxe3 27. Rxe3 Rxe3 28. fxe3 Re8 29. Kf2 Re6 30. e4 Qd4+ 31. Kg2 Qe3 32. Qc2 Rd6 33. Rd1 Rd4 34. Kf1 Qf3+ 35. Kg1 a5 36. Qb1 Qe2 37. Qc1 Rxd3 38. Re1 Qd2 39. e5 Qxc1 40. Rxc1 Rd2 0-1

[Event "Santo Antonio de Jesus Bahia op"]
[Site "Santo Antonio de Jesus"]
[Date "2022.07.08"]
[Round "3"]
[White "Ramos, Itamar Campos"]
[Black "Costa, Ricardo Santos"]
[Result "0-1"]
[ECO "B34"]
[BlackElo "1738"]
[PlyCount "48"]
[EventDate "2022.07.07"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 d6 6. Nc3 Bd7 7. Qd2 Bg7 8. Bc4 Nf6 9. 0-0-0 0-0 10. Bh6 a6 11. Bxg7 Kxg7 12. h3 b5 13. Bd3 Nxd4 14. f4 e5 15. g4 b4 16. Ne2 Qb6 17. g5 Nh5 18. f5 Nf3 19. Ng3 Nxd2 20. Nxh5+ gxh5 21. f6+ Kg8 22. Rxd2 Bb5 23. h4 Rfc8 24. Bxb5 axb5 0-1

[Event "Joao Pessoa Fischer Memorial 11th"]
[Site "Joao Pessoa"]
[Date "2022.05.08"]
[Round "5"]
[White "Costa, Ricardo Santos"]
[Black "Espinola, Jose Mario"]
[Result "1-0"]
[ECO "A21"]
[WhiteElo "1735"]
[BlackElo "1590"]
[PlyCount "97"]
[EventDate "2022.05.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 f5 3. d3 a6 4. g3 Nc6 5. Bg2 Bb4 6. Bd2 Nf6 7. e3 d6 8. Nge2 Bd7 9. 0-0 0-0 10. a3 Bxc3 11. Nxc3 Rb8 12. b4 Na7 13. Qc2 Bc6 14. Nd5 Bd7 15. Bc3 c6 16. Nxf6+ Rxf6 17. d4 e4 18. d5 Rg6 19. Rfd1 cxd5 20. cxd5 Rc8 21. Qd2 Bb5 22. a4 Bd3 23. Rdc1 Rc7 24. Bd4 Nc8 25. Rxc7 Qxc7 26. Rc1 Qd7 27. Qc3 Ne7 28. Qc7 Qxc7 29. Rxc7 Nxd5 30. Rxb7 Kf8 31. Bh3 Ne7 32. Bf1 Nd5 33. h4 h5 34. b5 axb5 35. axb5 f4 36. exf4 Nxf4 37. b6 d5 38. Rxg7 Rxb6 39. Bxb6 Kxg7 40. gxf4 Bc2 41. Kg2 Bd1 42. Kg3 Kf6 43. Bh3 Ke7 44. Bc5+ Kf6 45. Bd4+ Ke7 46. f5 Kf8 47. Kf4 Kf7 48. Ke5 Bb3 49. f6 1-0

[Event "Joao Pessoa Fischer Memorial 11th"]
[Site "Joao Pessoa"]
[Date "2022.05.08"]
[Round "6"]
[White "Silva, Carolina Alves"]
[Black "Costa, Ricardo Santos"]
[Result "1/2-1/2"]
[ECO "B34"]
[WhiteElo "1860"]
[BlackElo "1735"]
[PlyCount "69"]
[EventDate "2022.05.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Be3 Bg7 6. c3 d6 7. Bb5 Bd7 8. Nd2 Nf6 9. 0-0 0-0 10. Nxc6 bxc6 11. Be2 c5 12. f4 Qc8 13. Bf3 Ng4 14. Bxg4 Bxg4 15. Nf3 Qb7 16. Qc2 Rfb8 17. Rab1 Qa6 18. a3 Bxf3 19. Rxf3 Rb7 20. f5 Qc4 21. fxg6 fxg6 22. Bg5 Rab8 23. b4 cxb4 24. axb4 Rxb4 25. Rxb4 Rxb4 26. Bxe7 Qxe4 27. Qa2+ Qc4 28. Qxa7 Rb1+ 29. Kf2 Rf1+ 30. Kg3 Be5+ 31. Kh3 Qe6+ 32. Kh4 Rxf3 33. gxf3 Qc4+ 34. Kh3 Qc8+ 35. Kg2 1/2-1/2

[Event "Joao Pessoa Fischer Memorial 11th"]
[Site "Joao Pessoa"]
[Date "2022.05.07"]
[Round "4"]
[White "De Mesquita, Igor Ming"]
[Black "Costa, Ricardo Santos"]
[Result "1-0"]
[ECO "B38"]
[BlackElo "1735"]
[PlyCount "61"]
[EventDate "2022.05.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 d6 7. Nc3 Bd7 8. Rc1 b6 9. Be2 Nf6 10. f4 0-0 11. 0-0 Rc8 12. Qd2 Ng4 13. Bxg4 Bxg4 14. f5 gxf5 15. Nxc6 Rxc6 16. exf5 e6 17. fxe6 fxe6 18. Bg5 Rxf1+ 19. Rxf1 Qd7 20. Ne4 Bh5 21. Bh6 Bg6 22. Nf6+ Bxf6 23. Rxf6 Rc8 24. Qf4 Qe7 25. Qg5 Qc7 26. Qf4 Qc5+ 27. Kh1 d5 28. Qe5 Qe7 29. Rxe6 Qf7 30. h3 dxc4 31. Re7 1-0

[Event "Joao Pessoa Fischer Memorial 11th"]
[Site "Joao Pessoa"]
[Date "2022.05.06"]
[Round "2"]
[White "Andrade, Joanderson Muller L"]
[Black "Costa, Ricardo Santos"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "1466"]
[BlackElo "1735"]
[PlyCount "133"]
[EventDate "2022.05.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 Be7 6. e3 c6 7. cxd5 exd5 8. Be2 0-0 9. 0-0 Re8 10. a4 Nf8 11. Bd3 Bg4 12. Be2 Ng6 13. Qc2 Ne4 14. Bxe7 Qxe7 15. Nd2 Nxd2 16. Qxd2 Qg5 17. Bxg4 Qxg4 18. Ne2 h5 19. Qd1 Re7 20. Ng3 Nh4 21. Qxg4 hxg4 22. b4 g6 23. Ne2 Rae8 24. Ra2 Nf5 25. g3 Nd6 26. Kg2 Nc4 27. Ng1 Kg7 28. h3 f5 29. b5 Rh8 30. hxg4 fxg4 31. Ne2 Kf6 32. Rh1 Reh7 33. Rxh7 Rxh7 34. bxc6 bxc6 35. Nc1 Re7 36. Nd3 a5 37. Nc5 g5 38. Nb3 Kf5 39. Ra1 Rb7 40. Nc5 Rb2 41. Re1 Ra2 42. e4+ dxe4 43. Rxe4 Rxa4 44. Rxg4 Ra2 45. Re4 Rd2 46. g4+ Kf6 47. Re6+ Kf7 48. Rxc6 Rxd4 49. Rc7+ Ke8 50. Rg7 Rxg4+ 51. Kf3 Ne5+ 52. Ke2 Rc4 53. Nb7 Re4+ 54. Kd1 Rd4+ 55. Kc2 Nf3 56. Nxa5 Rd2+ 57. Kc3 Rxf2 58. Nc4 Kf8 59. Ra7 g4 60. Ne3 g3 61. Kd3 Ne5+ 62. Ke4 Nc4 63. Nxc4 g2 64. Ra8+ Kg7 65. Ra7+ Kf8 66. Ra1 Rf1 67. Ne3 1/2-1/2

[Event "Joao Pessoa Fischer Memorial 11th"]
[Site "Joao Pessoa"]
[Date "2022.05.06"]
[Round "1"]
[White "Costa, Ricardo Santos"]
[Black "Costa, Igor Correia De Sou"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1735"]
[PlyCount "114"]
[EventDate "2022.05.06"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 e6 2. Nf3 d5 3. cxd5 exd5 4. d4 Nf6 5. Nc3 c6 6. Bg5 Be6 7. e3 Nbd7 8. Bd3 Bd6 9. 0-0 Qc7 10. Rc1 a6 11. Bh4 Bg4 12. Bg3 0-0 13. Re1 Bxg3 14. hxg3 Rfe8 15. Qc2 Re7 16. Ng5 h6 17. Nh3 Rae8 18. Nf4 Qd6 19. e4 dxe4 20. Nxe4 Qxd4 21. Nxf6+ Nxf6 22. Rxe7 Rxe7 23. Qc5 Re1+ 24. Bf1 Qxc5 25. Rxc5 g5 26. Nd3 Rd1 27. f3 Be6 28. Rc1 Rd2 29. a3 Nd5 30. b4 Ra2 31. Nc5 Bc8 32. a4 Nxb4 33. Bc4 Rc2 34. Rxc2 Nxc2 35. Kf2 Kf8 36. Ne4 b5 37. axb5 cxb5 38. Bd3 Nb4 39. Be2 Ke7 40. g4 Nd5 41. g3 b4 42. Nc5 a5 43. Bc4 Nb6 44. Bb3 Be6 45. Bc2 Kd6 46. Nb7+ Kd5 47. Nxa5 Kd4 48. Nc6+ Kc3 49. Nxb4 Kxb4 50. Ke3 Kc3 51. Bh7 Nc4+ 52. Ke4 Kd2 53. f4 Bxg4 54. fxg5 hxg5 55. Bg8 Ke2 56. Kd4 Be6 57. Ke4 f5+ 0-1

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.28"]
[Round "7"]
[White "Araujo, Everson de Moura"]
[Black "Costa, Ricardo Santos"]
[Result "1-0"]
[ECO "A38"]
[WhiteElo "2003"]
[BlackElo "1762"]
[PlyCount "75"]
[EventDate "2022.01.24"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 d6 6. 0-0 Nf6 7. Rb1 0-0 8. a3 Bd7 9. b4 Rc8 10. d3 Ne8 11. Nd5 b6 12. Bb2 Ne5 13. bxc5 Nxf3+ 14. Bxf3 Bxb2 15. Rxb2 Rxc5 16. Qd2 e6 17. Nc3 Ra5 18. Ra1 f5 19. Nb5 Qf6 20. d4 Bxb5 21. Rxb5 Rxb5 22. cxb5 d5 23. Rc1 Nd6 24. Qb4 Nc4 25. e3 Rf7 26. Be2 Na5 27. Qd6 Qe7 28. Rc8+ Kg7 29. Qe5+ Qf6 30. Qb8 Kh6 31. h4 f4 32. g4 Qxh4 33. exf4 g5 34. fxg5+ Qxg5 35. Rg8 Rg7 36. Qf8 Nc4 37. f4 Qe7 38. Qxe7 1-0

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.27"]
[Round "5"]
[White "Arantes, Carlos Eduardo Gonc"]
[Black "Costa, Ricardo Santos"]
[Result "1/2-1/2"]
[ECO "B22"]
[BlackElo "1762"]
[PlyCount "75"]
[EventDate "2022.01.24"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. c3 d6 4. d4 cxd4 5. cxd4 e6 6. Bd3 Nf6 7. 0-0 Be7 8. Nc3 0-0 9. Re1 e5 10. d5 Nb8 11. h3 Nbd7 12. Be3 Re8 13. Ne2 a6 14. Ng3 Nf8 15. Qb3 b5 16. a4 Rb8 17. axb5 axb5 18. Ra7 Bd7 19. Qb4 Ng6 20. Ra5 Ra8 21. Rea1 Rxa5 22. Rxa5 Qc7 23. Bxb5 Rb8 24. Qa4 Bd8 25. Bd2 Bxb5 26. Rxb5 Qd7 27. Rb4 Qxa4 28. Rxa4 h5 29. Bc3 Nf4 30. Nf5 Ne2+ 31. Kh2 Nxc3 32. bxc3 Bc7 33. Rc4 Ne8 34. Rc6 g6 35. Ne3 Rb3 36. h4 Kf8 37. Ng5 Ke7 38. Nc4 1/2-1/2

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.27"]
[Round "6"]
[White "Costa, Ricardo Santos"]
[Black "Landes, Leonardo Sampaio"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "1762"]
[PlyCount "53"]
[EventDate "2022.01.24"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 d5 3. e3 e6 4. c4 Bb4+ 5. Bd2 Bxd2+ 6. Qxd2 Nc6 7. a3 a5 8. Bd3 b6 9. Nc3 Ba6 10. b3 0-0 11. 0-0 Re8 12. Rfe1 e5 13. dxe5 Nxe5 14. Nxe5 Rxe5 15. Rad1 g6 16. Be2 c6 17. Bf3 Bb7 18. Qd4 Qd6 19. Qxb6 Bc8 20. cxd5 Nxd5 21. Nxd5 Rxd5 22. Rxd5 Qb8 23. Rd8+ Kg7 24. Qd4+ f6 25. Qc4 Ra7 26. Rg8+ Kh6 27. Qh4# 1-0

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.26"]
[Round "4"]
[White "Costa, Ricardo Santos"]
[Black "Da Silva, Joao Fernandes"]
[Result "1-0"]
[ECO "A38"]
[WhiteElo "1762"]
[BlackElo "1414"]
[PlyCount "103"]
[EventDate "2022.01.24"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 c5 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. Nc3 Nc6 7. b3 d5 8. cxd5 Nxd5 9. Bb2 Nxc3 10. Bxc3 Bxc3 11. dxc3 Qxd1 12. Rfxd1 Rb8 13. Rd5 b6 14. Rad1 Be6 15. R5d2 Rbd8 16. Ng5 Rxd2 17. Rxd2 Rd8 18. Rxd8+ Nxd8 19. Ne4 Bd5 20. Nd2 Bxg2 21. Kxg2 Nc6 22. f4 e5 23. Kf3 f6 24. Ke4 exf4 25. gxf4 Ne7 26. Nc4 g5 27. Ne3 Kf7 28. fxg5 fxg5 29. Nf5 Ng8 30. Ke5 Nf6 31. Nd6+ Kg6 32. h3 h5 33. Nc8 g4 34. hxg4 h4 35. Kf4 Nd5+ 36. Kf3 Nxc3 37. a4 Kg5 38. Nxa7 Nd5 39. Nc6 Nf6 40. Ne5 Nd5 41. e4 Nf6 42. Nc4 Nxe4 43. Nxb6 Nd2+ 44. Kg2 Nxb3 45. Kh3 Na5 46. Nd5 Nc6 47. Nc3 Ne5 48. Ne4+ Kf4 49. Nxc5 Nxg4 50. a5 Ne5 51. Nd3+ Ke4 52. Nxe5 1-0

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.25"]
[Round "2"]
[White "Costa, Ricardo Santos"]
[Black "Monteiro, Helen Ramazzotte"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "1762"]
[BlackElo "1349"]
[PlyCount "63"]
[EventDate "2022.01.24"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 b6 4. Bg2 Bb7 5. d3 Bc5 6. e3 Rb8 7. Nge2 Na5 8. e4 Nc6 9. 0-0 Nf6 10. Bg5 h6 11. Bxf6 Qxf6 12. Nd5 Qd8 13. Nec3 0-0 14. a3 a5 15. Rb1 Ne7 16. b4 axb4 17. axb4 Nxd5 18. exd5 Bd4 19. Ne2 f5 20. Nxd4 exd4 21. b5 f4 22. Be4 Qg5 23. h4 Qf6 24. Qg4 d6 25. Qg6 Qxg6 26. Bxg6 Rf6 27. h5 f3 28. Rfe1 Kf8 29. Re4 Bc8 30. Rbe1 Bd7 31. Re7 Re8 32. Bxe8 1-0

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.25"]
[Round "3"]
[White "Lisboa, Erico Fagundes Anic"]
[Black "Costa, Ricardo Santos"]
[Result "1-0"]
[ECO "C91"]
[BlackElo "1762"]
[PlyCount "87"]
[EventDate "2022.01.24"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Be7 5. 0-0 b5 6. Bb3 d6 7. c3 Nf6 8. d4 Bg4 9. Re1 0-0 10. d5 Na5 11. Bc2 h6 12. Nbd2 Nb7 13. Nf1 Nc5 14. Ne3 Bh5 15. Nf5 Kh7 16. h3 Bg6 17. N3h4 Nh5 18. Nxe7 Qxe7 19. Nf5 Bxf5 20. Qxh5 Bg6 21. Qf3 Qd7 22. b4 Nb7 23. g4 Qe7 24. Qg3 f6 25. a4 bxa4 26. Bxa4 Nd8 27. Bb5 Nf7 28. Bxa6 Ng5 29. f3 Kg8 30. h4 Nh7 31. Be3 h5 32. Bb7 Rxa1 33. Rxa1 Bf7 34. c4 g5 35. c5 f5 36. gxf5 Kh8 37. hxg5 Rg8 38. Ra8 Be8 39. Bc6 Nxg5 40. Rxe8 Nxf3+ 41. Kf2 Rxe8 42. Bxe8 Ne1 43. Kxe1 Qxe8 44. f6 1-0

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.24"]
[Round "1"]
[White "Correria, Pedro Bavaresco"]
[Black "Costa, Ricardo Santos"]
[Result "1-0"]
[ECO "B72"]
[BlackElo "1762"]
[PlyCount "126"]
[EventDate "2022.01.24"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 206 Extra"]
[Source "ChessBase"]
[SourceDate "2022.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. Be2 0-0 8. Qd2 d6 9. h4 Bd7 10. h5 Nxd4 11. Bxd4 Bc6 12. hxg6 e5 13. Be3 Nxe4 14. Nxe4 Bxe4 15. gxh7+ Kh8 16. 0-0-0 Rc8 17. Bd3 Bxd3 18. Qxd3 Qa5 19. Kb1 Rc6 20. Bh6 Bxh6 21. Rxh6 d5 22. Rh5 Qc7 23. Qf5 f6 24. Rxd5 Rd6 25. Rxd6 Qxd6 26. Qd3 Rd8 27. Qxd6 Rxd6 28. c3 Rd2 29. Rf5 Kxh7 30. Rxf6 Kg7 31. Kc1 Re2 32. Rf3 e4 33. Re3 Rxf2 34. Rxe4 Kf6 35. Rg4 Re2 36. Rf4+ Ke6 37. g4 Rg2 38. Rd4 a6 39. a4 a5 40. Kb1 b6 41. Ka2 Rg1 42. Rd8 Rxg4 43. Rb8 Rxa4+ 44. Kb3 Rh4 45. Rxb6+ Kd7 46. Rb5 a4+ 47. Ka3 Kc6 48. Rb4 Rh1 49. Kxa4 Kc5 50. Rg4 Ra1+ 51. Kb3 Ra8 52. Rg5+ Kc6 53. Kc4 Rh8 54. Rg6+ Kc7 55. b4 Rh4+ 56. Kb5 Rh5+ 57. Ka4 Rh3 58. c4 Rh4 59. Kb5 Rh5+ 60. c5 Rh7 61. Ra6 Kb7 62. c6+ Kb8 63. Kb6 Rh2 1-0

[Event "BRA-ch 87th"]
[Site "Cuiaba"]
[Date "2021.11.04"]
[Round "11"]
[White "Nascimento, Davi De Araujo"]
[Black "Costa, Ricardo Santos"]
[Result "1-0"]
[ECO "B25"]
[WhiteElo "1628"]
[BlackElo "1834"]
[PlyCount "77"]
[EventDate "2021.10.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nge2 d6 6. 0-0 Nf6 7. d3 Bd7 8. f4 0-0 9. h3 Rb8 10. g4 e6 11. Ng3 b5 12. Nce2 e5 13. f5 Nd4 14. g5 Ne8 15. f6 Bh8 16. c3 Nxe2+ 17. Qxe2 Nc7 18. Be3 Qc8 19. Kh2 Ne6 20. h4 Re8 21. Bf3 Nf8 22. Rh1 h5 23. Rhd1 b4 24. c4 a5 25. b3 a4 26. Rdb1 a3 27. Rh1 Ne6 28. Kg2 Nf4+ 29. Bxf4 exf4 30. Nf1 Bg4 31. Nd2 Re5 32. Raf1 Qe6 33. Bxg4 hxg4 34. Rxf4 d5 35. Qxg4 dxe4 36. Qxe6 fxe6 37. Rxe4 Bxf6 38. gxf6 Rf5 39. Rf1 1-0

[Event "BRA-ch 87th"]
[Site "Cuiaba"]
[Date "2021.11.03"]
[Round "10"]
[White "Costa, Ricardo Santos"]
[Black "Campos, Otavio Moraes"]
[Result "1-0"]
[ECO "E67"]
[WhiteElo "1834"]
[BlackElo "1619"]
[PlyCount "44"]
[EventDate "2021.10.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. c4 d6 4. Nc3 Bg7 5. g3 0-0 6. Bg2 c6 7. 0-0 Nbd7 8. b3 e5 9. e3 Nh5 10. e4 a6 11. Be3 b5 12. d5 c5 13. Re1 b4 14. Na4 f5 15. Ng5 Qe7 16. Ne6 Rf7 17. Nxg7 Kxg7 18. exf5 Nhf6 19. fxg6 hxg6 20. Bg5 Rb8 21. Re4 Qf8 22. Rh4 Qe8 1-0

[Event "BRA-ch 87th"]
[Site "Cuiaba"]
[Date "2021.11.02"]
[Round "8"]
[White "Costa, Ricardo Santos"]
[Black "Custodio, Leandro"]
[Result "0-1"]
[ECO "A29"]
[WhiteElo "1834"]
[BlackElo "1953"]
[PlyCount "52"]
[EventDate "2021.10.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. Nf3 Nc6 2. c4 e5 3. Nc3 Nf6 4. g3 Bc5 5. d3 h6 6. Bg2 d6 7. 0-0 0-0 8. Bd2 Be6 9. Rc1 a6 10. a3 Qd7 11. b4 Ba7 12. e4 Bg4 13. Nd5 Nxd5 14. cxd5 Nd4 15. Nxd4 Bxd1 16. Rfxd1 Bxd4 17. Rc2 Rac8 18. Bc3 Bxc3 19. Rxc3 c6 20. dxc6 Rxc6 21. Rc4 b5 22. Rxc6 Qxc6 23. d4 Qc2 24. Bf3 f5 25. Re1 fxe4 26. Re2 Qd1+ 0-1

[Event "BRA-ch 87th"]
[Site "Cuiaba"]
[Date "2021.11.02"]
[Round "9"]
[White "Pontes, Felipe Tenorio"]
[Black "Costa, Ricardo Santos"]
[Result "1-0"]
[ECO "D45"]
[BlackElo "1834"]
[PlyCount "69"]
[EventDate "2021.10.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. e3 Nf6 4. Nc3 Be7 5. Nf3 0-0 6. Be2 Nbd7 7. 0-0 c6 8. h3 Re8 9. Re1 Nf8 10. cxd5 exd5 11. Bd3 Be6 12. e4 dxe4 13. Nxe4 Nxe4 14. Bxe4 Bf6 15. Bc2 h6 16. Be3 Qd7 17. Ne5 Bxe5 18. dxe5 Qxd1 19. Raxd1 Bd5 20. Bd4 Ne6 21. g3 b6 22. Be3 Rad8 23. f4 Bf3 24. Rxd8 Rxd8 25. Kf2 Bd5 26. f5 Nc7 27. Bf4 Ne8 28. e6 fxe6 29. fxe6 g5 30. Bd2 Bc4 31. Bc3 Rd6 32. Bg6 Kf8 33. e7+ Kg8 34. Bxe8 c5 35. Bc6 1-0

[Event "BRA-ch 87th"]
[Site "Cuiaba"]
[Date "2021.11.01"]
[Round "7"]
[White "Rosa, Diego Jesus Vieira"]
[Black "Costa, Ricardo Santos"]
[Result "0-1"]
[ECO "B77"]
[WhiteElo "1558"]
[BlackElo "1834"]
[PlyCount "98"]
[EventDate "2021.10.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 d6 6. Bc4 g6 7. 0-0 Bg7 8. Be3 0-0 9. f3 Bd7 10. Qd2 Nxd4 11. Bxd4 Bc6 12. Rad1 a6 13. a4 Qc7 14. Be3 Kh8 15. Bh6 Bxe4 16. Bxg7+ Kxg7 17. Bxf7 Bxc2 18. Rc1 Rxf7 19. Rxc2 Rc8 20. Re1 Qc5+ 21. Kh1 Qh5 22. Qd4 Rcf8 23. Ne4 e5 24. Nxf6 Rxf6 25. Rc7+ R8f7 26. Rxf7+ Rxf7 27. Qxd6 Qf5 28. h3 Kh6 29. Re2 Rd7 30. Qxe5 Qxe5 31. Rxe5 Rd2 32. b4 Rd4 33. g4 Rxb4 34. a5 b5 35. Re7 Kg5 36. Kg2 h5 37. Rf7 Rb2+ 38. Kg1 hxg4 39. fxg4 Kh4 40. Rf6 Kg3 41. Kf1 g5 42. Rf5 Rb4 43. Ke2 Kxh3 44. Kf3 Rb3+ 45. Kf2 Kxg4 46. Re5 Rb2+ 47. Kf1 Kh4 48. Re4+ g4 49. Rd4 Kh3 0-1

[Event "BRA-ch 87th"]
[Site "Cuiaba"]
[Date "2021.10.31"]
[Round "6"]
[White "Costa, Ricardo Santos"]
[Black "Paludo, Nicolas Luis Escara"]
[Result "1/2-1/2"]
[ECO "A38"]
[WhiteElo "1834"]
[BlackElo "1821"]
[PlyCount "77"]
[EventDate "2021.10.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. Nf3 c5 2. c4 Nc6 3. g3 Nf6 4. Nc3 g6 5. Bg2 Bg7 6. 0-0 0-0 7. d3 d6 8. Bd2 Bd7 9. a3 Qc8 10. Qc2 Bh3 11. Rac1 Bxg2 12. Kxg2 a6 13. Rfe1 Re8 14. e4 Rb8 15. Nd5 e6 16. Nxf6+ Bxf6 17. Bc3 Bxc3 18. Qxc3 e5 19. Qd2 Kg7 20. h4 h5 21. Rf1 Rf8 22. Nh2 f5 23. f4 exf4 24. Rxf4 fxe4 25. dxe4 Qe6 26. Nf3 Rxf4 27. Qxf4 Qf6 28. Rd1 Rd8 29. e5 dxe5 30. Qxf6+ Kxf6 31. Rxd8 Nxd8 32. Nd2 Kf5 33. Kf3 Nc6 34. Ne4 b6 35. Ke3 Nd4 36. Nf2 b5 37. Nd3 Ne6 38. b3 bxc4 39. bxc4 1/2-1/2

[Event "BRA-ch 87th"]
[Site "Cuiaba"]
[Date "2021.10.31"]
[Round "5"]
[White "Marquezini, Paulo Eduardo Seben"]
[Black "Costa, Ricardo Santos"]
[Result "0-1"]
[ECO "B57"]
[WhiteElo "1760"]
[BlackElo "1834"]
[PlyCount "54"]
[EventDate "2021.10.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 d6 5. d4 cxd4 6. Nxd4 Bd7 7. 0-0 g6 8. Re1 Bg7 9. Nf3 0-0 10. h3 a6 11. Nd5 Nxd5 12. Bxd5 e6 13. Bb3 Qc7 14. Bf4 Ne5 15. Nxe5 Bxe5 16. Bxe5 dxe5 17. f3 Rad8 18. Qe2 Bb5 19. c4 Qc5+ 20. Kh2 Bc6 21. Rac1 Rd4 22. Red1 Rfd8 23. h4 Qe7 24. Kg3 g5 25. hxg5 Qxg5+ 26. Kf2 Rd2 27. Rxd2 Rxd2 0-1

[Event "BRA-ch 87th"]
[Site "Cuiaba"]
[Date "2021.10.30"]
[Round "4"]
[White "Costa, Ricardo Santos"]
[Black "Serafim, Paulo Rogerio"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "1834"]
[BlackElo "1441"]
[PlyCount "144"]
[EventDate "2021.10.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 e6 3. e3 d5 4. c4 Nbd7 5. Nc3 Bb4 6. Bd3 dxc4 7. Bxc4 0-0 8. 0-0 b6 9. a3 Be7 10. b4 Bb7 11. Bb2 c5 12. b5 cxd4 13. Nxd4 Ne5 14. Bb3 Rc8 15. Qe2 Qc7 16. h3 Nc4 17. Rfc1 Nxb2 18. Qxb2 Bc5 19. Nxe6 fxe6 20. Bxe6+ Kh8 21. Bxc8 Qxc8 22. Na4 Ne4 23. Nxc5 Nxc5 24. Rc4 Be4 25. Qe5 Qf5 26. Qxf5 Rxf5 27. Rac1 h5 28. f3 Bd3 29. Rb4 Rg5 30. g4 Be2 31. f4 Rg6 32. f5 Rg5 33. Rc2 Bd3 34. Rf2 h4 35. Rff4 Kg8 36. e4 Be2 37. Rd4 Bxb5 38. Rd8+ Kf7 39. e5 g6 40. Ra8 gxf5 41. Rxf5+ Rxf5 42. gxf5 a6 43. Ra7+ Ke8 44. f6 Bd7 45. Kh2 a5 46. Ra8+ Kf7 47. Rh8 Nd3 48. Rh7+ Ke8 49. Re7+ Kd8 50. e6 Bc8 51. Ra7 Bxe6 52. f7 Bxf7 53. Rxf7 Ne5 54. Rf5 Nc4 55. a4 Kc7 56. Rf4 Nd2 57. Kg2 Kc6 58. Rxh4 Kc5 59. Rg4 Nc4 60. Rxc4+ Kxc4 61. h4 b5 62. axb5 a4 63. b6 a3 64. b7 a2 65. b8Q a1Q 66. Qg8+ Kd3 67. Qg6+ Ke3 68. h5 Qa8+ 69. Kh3 Qh1+ 70. Kg4 Qg2+ 71. Kf5 Qf1+ 72. Kg5 Qf4# 0-1

[Event "BRA-ch 87th"]
[Site "Cuiaba"]
[Date "2021.10.29"]
[Round "2"]
[White "Costa, Ricardo Santos"]
[Black "Pasqualotto, Amos Petronio"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "1834"]
[BlackElo "1436"]
[PlyCount "55"]
[EventDate "2021.10.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. Nf3 d5 2. d4 Nf6 3. e3 Bg4 4. c4 c6 5. Nc3 e6 6. Bd3 Nbd7 7. cxd5 cxd5 8. 0-0 Be7 9. Bd2 0-0 10. Re1 a6 11. Rc1 Rc8 12. h3 Bh5 13. e4 dxe4 14. Nxe4 Rxc1 15. Bxc1 Qb6 16. Nxf6+ Nxf6 17. b3 Rd8 18. g4 Bg6 19. Bxg6 hxg6 20. Be3 Qc7 21. Qe2 Nd5 22. Rc1 Qb8 23. Ne5 Nxe3 24. Qxe3 Bf6 25. Rc4 Rd5 26. Qc3 Qa7 27. Rc8+ Kh7 28. Nxf7 1-0

[Event "BRA-ch 87th"]
[Site "Cuiaba"]
[Date "2021.10.29"]
[Round "3"]
[White "Nunes, Sidney Jr"]
[Black "Costa, Ricardo Santos"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "2084"]
[BlackElo "1834"]
[PlyCount "49"]
[EventDate "2021.10.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 Nf6 6. Qe2 0-0 7. h3 d6 8. Rd1 Qc7 9. d4 cxd4 10. cxd4 Bd7 11. Nc3 a6 12. Bd3 e6 13. Bg5 Rac8 14. Rac1 Qb8 15. Bb1 b5 16. Qe3 Rfe8 17. Qf4 e5 18. dxe5 dxe5 19. Qh4 h6 20. Bxf6 g5 21. Nxg5 Bxf6 22. Qxh6 Bxg5 23. Qxg5+ Kh7 24. Rd2 Rf8 25. Nd5 1-0

[Event "BRA-ch 87th"]
[Site "Cuiaba"]
[Date "2021.10.28"]
[Round "1"]
[White "Di Berardino, Diego Rafael"]
[Black "Costa, Ricardo Santos"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "2471"]
[BlackElo "1834"]
[PlyCount "93"]
[EventDate "2021.10.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 0-0 7. Bd3 Nbd7 8. Qc2 Re8 9. Nge2 Nf8 10. 0-0 c6 11. f3 Be6 12. Rad1 Qa5 13. a3 Rac8 14. Kh1 h6 15. Bh4 Ng4 16. Bxe7 Nxe3 17. Qc1 Nxd1 18. Bb4 Qd8 19. Nxd1 Nh7 20. Be1 Qd7 21. Qc2 Nf8 22. b4 Qc7 23. g4 a5 24. bxa5 c5 25. Qxc5 Qxc5 26. dxc5 Rxc5 27. Bb4 Rc7 28. Ndc3 Ra8 29. Na4 Rac8 30. Nac3 Nd7 31. Nb5 Ne5 32. Nxc7 Nxd3 33. Bd6 Nc5 34. Bxc5 Rxc7 35. Rc1 Bd7 36. Bb6 Rxc1+ 37. Nxc1 f5 38. h3 g5 39. Nb3 fxg4 40. hxg4 Kf7 41. Kg2 Kg6 42. Nc5 Bc8 43. Nd3 h5 44. Ne5+ Kf6 45. Bd4 hxg4 46. fxg4 Ke6 47. Kg3 1-0

[Event "Maringa op 3rd"]
[Site "Maringa"]
[Date "2013.07.25"]
[Round "2"]
[White "Costa, Ricardo Santos"]
[Black "Goncalves, Ivan Mesquita V"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1840"]
[BlackElo "2169"]
[PlyCount "62"]
[EventDate "2013.07.24"]
[EventType "swiss"]
[EventRounds "8"]
[EventCountry "BRA"]
[SourceTitle "CBM 155 Extra"]
[Source "ChessBase"]
[SourceDate "2013.08.26"]
[SourceVersion "1"]
[SourceVersionDate "2013.08.26"]
[SourceQuality "1"]

1. Nf3 Nf6 2. d4 g6 3. c4 Bg7 4. e3 0-0 5. Nc3 d6 6. Be2 Nbd7 7. 0-0 e5 8. dxe5 dxe5 9. e4 c6 10. h3 Qc7 11. Be3 Nh5 12. Nd2 Nf4 13. Bxf4 exf4 14. Qc2 Nc5 15. b4 Ne6 16. Nf3 a5 17. a3 h5 18. Rab1 g5 19. Rfe1 g4 20. hxg4 hxg4 21. Nd2 Qe5 22. Rec1 axb4 23. axb4 Ra3 24. Nb3 f3 25. Bf1 Bf6 26. Qb2 Kg7 27. Nd1 Qh5 28. e5 Bxe5 29. Qxe5+ Qxe5 30. Ne3 Rh8 31. Bd3 Qh2+ 0-1

[Event "BRA Bahia Region"]
[Site "Salvador"]
[Date "2013.05.05"]
[Round "8"]
[White "Barreto, Jorge Eduardo Q"]
[Black "Costa, Ricardo Santos"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1925"]
[BlackElo "1839"]
[PlyCount "146"]
[EventDate "2013.04.27"]
[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 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 Nf6 5. f3 c6 6. Qd2 0-0 7. 0-0-0 b5 8. g4 a6 9. h4 h5 10. gxh5 Nxh5 11. Nh3 Nd7 12. Nf4 Ndf6 13. Nce2 Kh7 14. Bh3 Bxh3 15. Rxh3 Rh8 16. Nd3 a5 17. Rg1 Qd7 18. Rhh1 Qe6 19. Kb1 a4 20. Nef4 Qc8 21. Qg2 Qe8 22. Bc1 Kg8 23. e5 Nxf4 24. Nxf4 Nh5 25. Nxh5 Rxh5 26. f4 e6 27. Qf2 Qe7 28. Rg5 Rxg5 29. hxg5 b4 30. Be3 b3 31. cxb3 axb3 32. a3 d5 33. Bd2 c5 34. dxc5 Rc8 35. Bb4 Rc6 36. Qf3 Qb7 37. Qxb3 Kf8 38. Rd1 Ke8 39. Qd3 Bf8 40. Qd4 Qb5 41. Rc1 Kd7 42. Rc3 Qf1+ 43. Ka2 Qa6 44. b3 Qe2+ 45. Kb1 Qf1+ 46. Rc1 Qb5 47. a4 Qa6 48. Ka2 Qe2+ 49. Ka3 Qa6 50. Kb2 Qe2+ 51. Rc2 Qa6 52. Ba3 Be7 53. Bb4 Bf8 54. Rd2 Be7 55. Qd3 Qxd3 56. Rxd3 Bxc5 57. Bxc5 Rxc5 58. Ka3 Kc6 59. Rd4 Kb6 60. Rb4+ Ka7 61. Rd4 Rc1 62. Kb2 Re1 63. Ka3 Re3 64. Kb4 Kb6 65. a5+ Ka6 66. Ka4 Re1 67. b4 Ra1+ 68. Kb3 Kb5 69. Rd2 Rb1+ 70. Rb2 Rf1 71. Ra2 Rxf4 72. Ra1 Rxb4+ 73. Kc3 Rc4+ 0-1

[Event "BRA Bahia Region"]
[Site "Salvador"]
[Date "2013.05.05"]
[Round "9"]
[White "Costa, Ricardo Santos"]
[Black "Nascimento, Antonio Teofilo A D"]
[Result "1/2-1/2"]
[ECO "D07"]
[WhiteElo "1839"]
[BlackElo "1760"]
[PlyCount "105"]
[EventDate "2013.04.27"]
[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 Bg4 3. e3 Nc6 4. c4 e5 5. dxe5 Nxe5 6. Be2 Nxc4 7. Bxc4 Bb4+ 8. Nc3 Bxc3+ 9. bxc3 dxc4 10. Qxd8+ Rxd8 11. Nd4 c5 12. Ne2 Nf6 13. f3 Bd7 14. e4 0-0 15. Bg5 Rfe8 16. Bxf6 gxf6 17. 0-0-0 Ba4 18. Rd5 Re5 19. Nf4 Rde8 20. g4 Rxd5 21. Nxd5 Kg7 22. h3 Bc6 23. Rd1 Rd8 24. Nf4 Rxd1+ 25. Kxd1 b5 26. a3 a5 27. Kc2 Kh6 28. Kd2 Kg5 29. Ng2 b4 30. h4+ Kg6 31. axb4 cxb4 32. cxb4 axb4 33. Ne3 c3+ 34. Kc2 Ba4+ 35. Kd3 h5 36. Nd5 c2 37. Kd2 b3 38. Kc1 hxg4 39. fxg4 Bb5 40. h5+ Kg7 41. Ne7 Bd3 42. Nf5+ Kh7 43. Ng3 Bb5 44. Kb2 Bd7 45. Nf5 Bc8 46. Kc1 Ba6 47. Ng3 Kh6 48. Nf5+ Kg5 49. Ng3 Bd3 50. Kb2 Ba6 51. Kc1 Bc8 52. Nf5 Bxf5 53. exf5 1/2-1/2

[Event "BRA Bahia Region"]
[Site "Salvador"]
[Date "2013.05.04"]
[Round "7"]
[White "Costa, Ricardo Santos"]
[Black "Costa, Rogerio de Souza"]
[Result "0-1"]
[ECO "D12"]
[WhiteElo "1839"]
[BlackElo "1699"]
[PlyCount "124"]
[EventDate "2013.04.27"]
[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. e3 c6 3. c4 Nf6 4. Nf3 Bf5 5. Bd3 Bg6 6. Ne5 e6 7. Nxg6 hxg6 8. Qc2 Nbd7 9. Bd2 Bd6 10. h3 Bc7 11. Bb4 dxc4 12. Bxc4 Nb6 13. Bxe6 fxe6 14. Qxg6+ Kd7 15. Qxg7+ Kc8 16. Be7 Qe8 17. Bxf6 Rg8 18. Qe7 Qg6 19. Qxe6+ Nd7 20. Qg4 Ba5+ 21. Nc3 Qh7 22. Bg5 Qd3 23. Rd1 Bxc3+ 24. bxc3 Qxc3+ 25. Kf1 Qc2 26. h4 a5 27. Qe2 Qg6 28. Qd3 Qg7 29. g3 b6 30. Qc4 Kb7 31. Rc1 Rac8 32. d5 Ne5 33. dxc6+ Rxc6 34. Qe4 Rgc8 35. Kg2 Qf7 36. Rxc6 Nxc6 37. Rc1 Qxa2 38. Qh7+ Rc7 39. Qc2 Qd5+ 40. e4 Qe6 41. Qc4 Qe8 42. Bf4 Re7 43. e5 Nb4 44. Qe4+ Ka7 45. Rc4 Na6 46. Qc6 Qf7 47. Be3 Rb7 48. e6 Qe7 49. Rf4 Nb4 50. Qxb7+ Qxb7+ 51. Kh2 Ka6 52. Rf6 Nd5 53. Rf7 Qc6 54. e7 Nxe3 55. fxe3 Qe6 56. Rf4 Qxe3 57. Rf7 Qe2+ 58. Kg1 Qe6 59. Rg7 a4 60. h5 a3 61. h6 a2 62. h7 a1Q+ 0-1

[Event "BRA Bahia Region"]
[Site "Salvador"]
[Date "2013.05.01"]
[Round "5.11"]
[White "Silva, Jose Romain T Da Co"]
[Black "Costa, Ricardo Santos"]
[Result "0-1"]
[ECO "B08"]
[WhiteElo "1765"]
[BlackElo "1839"]
[PlyCount "102"]
[EventDate "2013.04.27"]
[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 g6 2. d4 d6 3. Nf3 Bg7 4. Bc4 Nf6 5. Nc3 0-0 6. 0-0 c6 7. e5 dxe5 8. Nxe5 Nd5 9. Bxd5 cxd5 10. Bf4 a6 11. Qf3 e6 12. Qe3 Nd7 13. Ng4 Nf6 14. Nxf6+ Bxf6 15. Rfe1 Qb6 16. Be5 Bxe5 17. Qxe5 f6 18. Qe2 Qxd4 19. Red1 Qb4 20. Rab1 Bd7 21. Qd3 Rac8 22. a3 Qc5 23. Qf3 Bc6 24. Qh3 Rce8 25. b4 Qe7 26. Qe3 Rd8 27. a4 e5 28. Qe2 d4 29. Ne4 Bxa4 30. Qc4+ Kg7 31. Nc5 Rd6 32. Nxa4 Rc6 33. Qb3 Qf7 34. Qxf7+ Kxf7 35. Rb2 b6 36. Rd3 Ra8 37. h3 Ra7 38. c3 b5 39. Nc5 dxc3 40. Rxc3 a5 41. Ne4 Rxc3 42. Nxc3 axb4 43. Nxb5 Ra4 44. Nd6+ Ke6 45. Ne4 Kd5 46. Nd2 Kd4 47. Kf1 Kc3 48. Nc4 Kxc4 49. Ke2 Kc3 50. Rb1 Kc2 51. Rd1 b3 0-1

[Event "BRA Bahia Region"]
[Site "Salvador"]
[Date "2013.04.28"]
[Round "3.11"]
[White "Alves de Souza, Jackson"]
[Black "Costa, Ricardo Santos"]
[Result "0-1"]
[ECO "A05"]
[WhiteElo "100"]
[BlackElo "1839"]
[PlyCount "74"]
[EventDate "2013.04.27"]
[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 g6 2. g3 Bg7 3. Bg2 d6 4. Nf3 Nf6 5. d3 0-0 6. 0-0 c6 7. Nc3 b5 8. a3 Bb7 9. Rb1 Nbd7 10. Re1 Qc7 11. Bf4 Ne5 12. Nxe5 dxe5 13. Be3 Nd7 14. Qe2 a6 15. f4 exf4 16. Bxf4 e5 17. Be3 Rac8 18. Qf2 c5 19. Red1 f5 20. exf5 gxf5 21. Nd5 Bxd5 22. Bxd5+ Kh8 23. Bd2 f4 24. g4 e4 25. Bxe4 Bd4 26. Qxd4+ cxd4 27. Rf1 Nc5 28. Bf5 Rce8 29. Bxf4 Qe7 30. Rbe1 Qxe1 31. Rxe1 Rxe1+ 32. Kg2 Rxf5 33. gxf5 Kg8 34. Bd6 Re2+ 35. Kf3 Rxc2 36. Kf4 Nxd3+ 37. Kg5 Kf7 0-1

[Event "BRA Bahia Region"]
[Site "Salvador"]
[Date "2013.04.28"]
[Round "4.11"]
[White "Costa, Ricardo Santos"]
[Black "Galindo, Diego de Santana"]
[Result "1/2-1/2"]
[ECO "D07"]
[WhiteElo "1839"]
[BlackElo "100"]
[PlyCount "130"]
[EventDate "2013.04.27"]
[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 Nc6 2. d4 d5 3. e3 Nf6 4. c4 Bg4 5. Nc3 e6 6. a3 Be7 7. b4 0-0 8. h3 Bh5 9. Be2 Ne4 10. Bb2 a6 11. 0-0 Bg5 12. cxd5 Nxc3 13. Bxc3 Qxd5 14. Nxg5 Bxe2 15. Qxe2 Qxg5 16. Qg4 Qxg4 17. hxg4 b5 18. f4 Ne7 19. Ra2 Nd5 20. Bd2 f5 21. g5 Rfd8 22. Kf2 Rd6 23. Rc1 Rc8 24. Rc5 Nb6 25. Rc1 Nc4 26. Be1 Kf7 27. Rcc2 Ke7 28. Ke2 Rc6 29. Kd3 Kd6 30. a4 Kd5 31. axb5 axb5 32. Ra7 Rb8 33. Rca2 Nb6 34. Bd2 Na4 35. Rc2 Rxc2 36. Kxc2 Kc6 37. Ra6+ Kd7 38. Kd3 Rh8 39. Be1 h5 40. gxh6 Rxh6 41. Ke2 Kc8 42. Rc6 Kb7 43. Rc2 Nb6 44. Rc5 c6 45. Rc1 Nc4 46. Bc3 Rh2 47. Kf3 Kc7 48. Ra1 Kb7 49. Rf1 Rh8 50. Ke2 Ra8 51. Ra1 Rxa1 52. Bxa1 Nd6 53. Bc3 Ne4 54. Be1 Kc7 55. Kd3 Kd6 56. g4 g6 57. gxf5 gxf5 58. Bh4 Kd7 59. Be1 Ke8 60. Ke2 Kf7 61. Kf3 Kg6 62. Kg2 Kh6 63. Kh2 Kh5 64. Kh3 Nd6 65. Kg3 Nc4 1/2-1/2

[Event "BRA Bahia Region"]
[Site "Salvador"]
[Date "2013.04.27"]
[Round "1.1"]
[White "Costa, Ricardo Santos"]
[Black "Fiaes, Mario Henrique"]
[Result "0-1"]
[ECO "A47"]
[WhiteElo "1839"]
[BlackElo "2038"]
[PlyCount "80"]
[EventDate "2013.04.27"]
[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. d4 e6 3. Bf4 b6 4. e3 Bb7 5. Be2 Be7 6. 0-0 0-0 7. Nbd2 d6 8. c4 Nbd7 9. Qc2 c5 10. b3 Rc8 11. Qb2 d5 12. Rac1 Nh5 13. Bg3 Re8 14. Rfe1 cxd4 15. exd4 Nhf6 16. Ne5 Bb4 17. Bf3 Qe7 18. Bh4 Ba3 19. Qb1 Bxc1 20. Rxc1 Qb4 21. Nxd7 Nxd7 22. Bg5 h6 23. Be3 Ba8 24. cxd5 Bxd5 25. Bxd5 exd5 26. Rc2 Nf6 27. h3 Qd6 28. g3 Nh5 29. Rxc8 Rxc8 30. Nf3 Qe6 31. Kh2 f5 32. Qd1 Nf6 33. Nd2 Ne4 34. Nxe4 Qxe4 35. a4 Rc2 36. a5 Ra2 37. Qc1 Rc2 38. Qa1 bxa5 39. Qxa5 Qxe3 40. Qxd5+ Kh8 0-1

[Event "BRA Bahia Region"]
[Site "Salvador"]
[Date "2013.04.??"]
[Round "6"]
[White "Dos Santos, Alves Humberto"]
[Black "Costa, Ricardo Santos"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "1792"]
[BlackElo "1839"]
[PlyCount "58"]
[EventDate "2013.04.27"]
[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 d5 2. e3 e6 3. d4 Nf6 4. a3 c5 5. c4 Bd6 6. Be2 0-0 7. 0-0 Nc6 8. Nbd2 cxd4 9. exd4 Bf4 10. Nb3 Bxc1 11. Rxc1 Bd7 12. Nc5 b6 13. Nd3 dxc4 14. Nde5 Ne7 15. Nxd7 Nxd7 16. Rxc4 Ng6 17. Qc1 Rc8 18. g3 Rxc4 19. Qxc4 Qc8 20. Rc1 Ne7 21. Qc7 Nf6 22. Ba6 Qxa6 23. Qxe7 Nd5 24. Qd7 h6 25. Ne5 Qe2 26. Rc8 Qe1+ 27. Kg2 Qe4+ 28. Kg1 Qe1+ 29. Kg2 Qe4+ 1/2-1/2

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2013.02.12"]
[Round "7"]
[White "Pereira, Daniele Costa"]
[Black "Costa, Ricardo Santos"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "1605"]
[BlackElo "1839"]
[PlyCount "87"]
[EventDate "2013.02.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nf3 h6 4. Bf4 Nf6 5. e3 Bd6 6. Bxd6 Qxd6 7. Nc3 a6 8. Rc1 b6 9. cxd5 exd5 10. Qc2 Bb7 11. Bd3 0-0 12. 0-0 Nbd7 13. Ne2 Rac8 14. b3 c5 15. Qb2 b5 16. Ng3 Ne4 17. Bxe4 dxe4 18. Nd2 Qg6 19. Ne2 Rc7 20. Rc2 Rfc8 21. Rfc1 f5 22. Nf4 Qf6 23. Nh5 Qg5 24. Nf4 Qf6 25. Nh5 Qf7 26. Nf4 g5 27. Ne2 b4 28. Nc4 Qe6 29. Rd1 Bd5 30. Rdc1 Bxc4 31. Rxc4 Kh7 32. R1c2 Kg6 33. g3 Qd6 34. Rd2 Qd5 35. dxc5 Qe5 36. Rd6+ Kf7 37. Rxd7+ Ke6 38. Qxe5+ Kxe5 39. Rxc7 Rxc7 40. c6 Kd5 41. Nd4 f4 42. Rxb4 fxe3 43. fxe3 Rf7 44. Rb7 1-0

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2013.02.11"]
[Round "6"]
[White "Costa, Ricardo Santos"]
[Black "Queiroz, Stella Becker"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "1839"]
[BlackElo "1611"]
[PlyCount "101"]
[EventDate "2013.02.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. d4 c6 2. c4 d5 3. Bf4 Nf6 4. e3 e6 5. Nc3 Be7 6. cxd5 cxd5 7. Bxb8 Rxb8 8. Bb5+ Bd7 9. Qa4 a6 10. Bxd7+ Qxd7 11. Qxd7+ Nxd7 12. Nf3 0-0 13. 0-0 Rbc8 14. a3 Nb6 15. Nd2 Rc7 16. Rac1 Rfc8 17. Ne2 Rc2 18. Rfd1 Rxb2 19. Kf1 Bxa3 20. Rxc8+ Nxc8 21. Rc1 Nb6 22. Nb1 Rxe2 23. Nxa3 Ra2 24. Rb1 Rxa3 25. Rxb6 g6 26. Rxb7 Ra2 27. g4 a5 28. Kg2 a4 29. Ra7 a3 30. h3 Ra1 31. Kf3 a2 32. Kf4 h6 33. h4 Kg7 34. g5 h5 35. Ke5 Rh1 36. Rxa2 Rxh4 37. f3 Rh1 38. Rg2 h4 39. Kf4 f6 40. gxf6+ Kxf6 41. Kg4 h3 42. Re2 g5 43. Kg3 e5 44. dxe5+ Kxe5 45. Rh2 Rxh2 46. Kxh2 d4 47. exd4+ Kxd4 48. Kxh3 Ke3 49. Kg3 Ke2 50. Kg4 Ke3 51. Kg3 1/2-1/2

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2013.02.11"]
[Round "5"]
[White "Nunes, Agatha Hurba"]
[Black "Costa, Ricardo Santos"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "1669"]
[BlackElo "1839"]
[PlyCount "97"]
[EventDate "2013.02.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. cxd5 exd5 4. Nc3 Nf6 5. Bg5 Bb4 6. Nf3 Be6 7. e3 0-0 8. Bd3 Nbd7 9. 0-0 c5 10. Rc1 c4 11. Be2 Bxc3 12. bxc3 Qc7 13. Nd2 Bf5 14. f3 b5 15. Ra1 Qa5 16. Qc1 Rfe8 17. a3 h6 18. Bxf6 Nxf6 19. Kf2 Re7 20. Re1 Rae8 21. Bd1 Qc7 22. g3 h5 23. Bc2 Qd7 24. Qb1 Bxc2 25. Qxc2 Qh3 26. Nf1 Qd7 27. Re2 g5 28. Rae1 g4 29. f4 Ne4+ 30. Kg2 Qd6 31. Qc1 Qh6 32. Nd2 Qg6 33. Nxe4 Qxe4+ 34. Kg1 Re6 35. Qb2 a6 36. Qc1 Rh6 37. Qc2 Qxc2 38. Rxc2 Rb6 39. Rce2 f5 40. h4 Kf7 41. Rb2 Ke6 42. a4 Reb8 43. Reb1 Kd6 44. a5 R6b7 45. Rb4 Re8 46. Re1 Rbe7 47. Kf2 Re4 48. Re2 R8e7 49. Re1 1/2-1/2

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2013.02.10"]
[Round "4"]
[White "Costa, Ricardo Santos"]
[Black "Monte, Edmar Ferreira"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "1839"]
[BlackElo "1734"]
[PlyCount "73"]
[EventDate "2013.02.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. Bg5 d5 4. c4 Be7 5. Nc3 c6 6. Bxf6 Bxf6 7. e4 dxe4 8. Nxe4 0-0 9. Be2 Be7 10. 0-0 Nd7 11. c5 f5 12. Nc3 Nf6 13. Bc4 Qc7 14. Re1 Nd5 15. Qe2 Bf6 16. Bxd5 exd5 17. Ne5 b6 18. b4 bxc5 19. bxc5 Qa5 20. Qf3 Qc7 21. Nxd5 Qb7 22. Rab1 Qa6 23. Nc7 Qxa2 24. Nxa8 Bxe5 25. dxe5 Be6 26. Qxc6 Bd5 27. Qd6 Rxa8 28. c6 Be4 29. Rb7 Qa5 30. Rd1 Rf8 31. Qd7 Qxe5 32. Rxa7 Qf6 33. c7 Qg6 34. g3 f4 35. c8Q Qf6 36. Qxf8+ Kxf8 37. Qd8+ 1-0

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2013.02.10"]
[Round "3"]
[White "Hoshino, Karen M"]
[Black "Costa, Ricardo Santos"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "1616"]
[BlackElo "1839"]
[PlyCount "101"]
[EventDate "2013.02.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. cxd5 exd5 4. Nc3 h6 5. Bf4 c6 6. e3 Bd6 7. Bg3 Nf6 8. Bd3 Bg4 9. Nge2 Na6 10. a3 Bxg3 11. hxg3 Qa5 12. 0-0 0-0 13. Qc2 c5 14. Bf5 Bxf5 15. Qxf5 Qb6 16. Rab1 Qe6 17. Qc2 Rac8 18. Qd2 Ne4 19. Nxe4 dxe4 20. Rfc1 b6 21. Nf4 Qf5 22. Qe2 Nc7 23. dxc5 bxc5 24. Rc2 Ne6 25. Nxe6 fxe6 26. Rbc1 Rc6 27. Qc4 Rfc8 28. b4 a6 29. Qe2 Qd5 30. bxc5 Rxc5 31. Rxc5 Rxc5 32. Rxc5 Qxc5 33. Qxa6 Qd5 34. Qc8+ Kh7 35. Qc1 Qb3 36. Qa1 Qa4 37. Qd4 Qc2 38. a4 e5 39. Qa1 Qc6 40. a5 Qa6 41. Qxe5 Qg6 42. Qa1 Qa6 43. Qa4 g6 44. Kh2 h5 45. Kh1 Kh6 46. Kg1 Kg5 47. Qxe4 Kh6 48. Qa4 Qe2 49. a6 Qe1+ 50. Kh2 g5 51. a7 1-0

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2013.02.09"]
[Round "2"]
[White "Costa, Ricardo Santos"]
[Black "De Paula, Luciano Alves"]
[Result "0-1"]
[ECO "B88"]
[WhiteElo "1839"]
[BlackElo "1810"]
[PlyCount "73"]
[EventDate "2013.02.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 Nc6 3. Nf3 e6 4. d4 cxd4 5. Nxd4 d6 6. Be3 Nf6 7. Nc3 Be7 8. 0-0 0-0 9. Qe2 Ne5 10. Bb3 a6 11. h3 Qc7 12. Bf4 b5 13. Bxe5 dxe5 14. Nf3 Bb7 15. a3 b4 16. axb4 Bxb4 17. Qc4 Qxc4 18. Bxc4 Bxc3 19. bxc3 Nxe4 20. Nxe5 Nxc3 21. Ra3 Nb5 22. Bxb5 axb5 23. Rb3 Rac8 24. c4 f6 25. Rxb5 Bc6 26. Nxc6 Rxc6 27. Rb4 e5 28. g4 Kf7 29. Kg2 Ke6 30. Kg3 g6 31. f4 e4 32. Kf2 f5 33. g5 Rc7 34. Ke3 Rd7 35. Rb3 Kd6 36. Kd4 Ra7 37. Rc3 0-1

[Event "BRA-ch Amateur"]
[Site "Sao Paulo"]
[Date "2013.02.09"]
[Round "1"]
[White "Medeiros, Thauane Ferreira"]
[Black "Costa, Ricardo Santos"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1835"]
[BlackElo "1839"]
[PlyCount "54"]
[EventDate "2013.02.09"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 152 Extra"]
[Source "ChessBase"]
[SourceDate "2013.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2013.02.25"]
[SourceQuality "1"]

1. d4 d5 2. Bg5 Nf6 3. Bxf6 exf6 4. g3 Bf5 5. Bg2 Bb4+ 6. c3 Ba5 7. Qb3 Nc6 8. Bxd5 Nxd4 9. Qa4+ c6 10. e4 Be6 11. Qxd4 cxd5 12. Nd2 0-0 13. Ngf3 dxe4 14. Qxd8 Raxd8 15. Nd4 Bd5 16. 0-0 Bb6 17. N2b3 Bxb3 18. axb3 Bxd4 19. cxd4 Rxd4 20. Rxa7 Rb4 21. Re1 f5 22. Re3 g5 23. Rc3 f6 24. Ra4 Rb5 25. b4 Rd5 26. Ra5 Rfd8 27. Rxd5 Rxd5 1/2-1/2

[Event "Baiano-ch"]
[Site "Salvador"]
[Date "2012.10.14"]
[Round "6.22"]
[White "Costa, Ricardo Santos"]
[Black "Silva, Jailton Jose da"]
[Result "1/2-1/2"]
[ECO "D13"]
[WhiteElo "1849"]
[PlyCount "210"]
[EventDate "2012.10.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e6 2. g3 Nf6 3. Bg2 c6 4. Nf3 d5 5. cxd5 cxd5 6. d4 Nc6 7. 0-0 Bd6 8. a3 h6 9. b4 a6 10. Nbd2 Bd7 11. Bb2 Rc8 12. Rc1 0-0 13. Re1 Qb6 14. Qb3 Rfe8 15. e3 Rc7 16. Bf1 Na7 17. Rxc7 Qxc7 18. Rc1 Qb8 19. Qd1 Nc6 20. Nb3 b6 21. b5 axb5 22. Bxb5 Ne7 23. Bxd7 Nxd7 24. Rc2 Rc8 25. Qc1 f5 26. Rxc8+ Qxc8 27. Qxc8+ Nxc8 28. a4 Kf7 29. Nfd2 Bb4 30. Nb1 Nd6 31. Kf1 Nc4 32. Bc3 Bxc3 33. Nxc3 Ke7 34. Ke2 g5 35. h3 h5 36. Nd2 Na5 37. Nf3 Kf6 38. h4 g4 39. Ne1 Ke7 40. Nd3 Nf6 41. Nb5 Nc4 42. Nf4 Nb2 43. Nc3 Kd6 44. Kd2 e5 45. Nb5+ Ke7 46. dxe5 Nc4+ 47. Kd3 Nxe5+ 48. Ke2 Kd7 49. Nd4 Nc4 50. Nd3 Nd6 51. Ne5+ Kc7 52. Nd3 Kb7 53. Nb4 Nfe4 54. Nxd5 Nc5 55. Nf4 Nxa4 56. Nxh5 Kc7 57. Ng7 Nc3+ 58. Ke1 b5 59. Ngxf5 Nxf5 60. Nxf5 b4 61. Nd4 Ne4 62. h5 Ng5 63. h6 Kd7 64. Kd2 Ke7 65. Nc6+ Kf6 66. Nxb4 Kg6 67. h7 Kxh7 68. Nc6 Ne4+ 69. Ke2 Nf6 70. Kd3 Kg6 71. e4 Nd7 72. Kd4 Kf6 73. e5+ Ke6 74. Nd8+ Ke7 75. Nb7 Ke6 76. Nd8+ Ke7 77. Nc6+ Ke6 78. Ke4 Nc5+ 79. Kf4 Nd3+ 80. Kxg4 Nxf2+ 81. Kf3 Nd3 82. Ke4 Nf2+ 83. Kd4 Ng4 84. Nd8+ Kd7 85. Nf7 Ke6 86. Ng5+ Kf5 87. Nf3 Ke6 88. Ke4 Nf2+ 89. Kd4 Ng4 90. Ng5+ Kf5 91. Nf7 Ke6 92. Nd8+ Kd7 93. Kd5 Kxd8 94. Ke6 Ke8 95. Kf5 Ne3+ 96. Kf6 Ng4+ 97. Kf5 Ne3+ 98. Kf4 Nd5+ 99. Ke4 Nc3+ 100. Kf5 Nd5 101. g4 Ne7+ 102. Ke6 Ng6 103. g5 Nf8+ 104. Kf6 Nd7+ 105. Ke6 Nf8+ 1/2-1/2

[Event "Baiano-ch"]
[Site "Salvador"]
[Date "2012.10.14"]
[Round "7.24"]
[White "Magalhaes, Joao Victor Pereira"]
[Black "Costa, Ricardo Santos"]
[Result "0-1"]
[ECO "B06"]
[BlackElo "1849"]
[PlyCount "86"]
[EventDate "2012.10.11"]
[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 g6 2. d3 Bg7 3. Nf3 d6 4. Be2 Nf6 5. 0-0 0-0 6. Re1 Nbd7 7. Bf1 c6 8. Nbd2 Ng4 9. c3 Nge5 10. Nxe5 dxe5 11. Nf3 c5 12. b4 b6 13. Bb2 Qc7 14. d4 e6 15. d5 exd5 16. exd5 cxb4 17. cxb4 Qd6 18. a3 Bb7 19. Bb5 f6 20. Bxd7 Qxd7 21. Qd2 Qxd5 22. Qxd5+ Bxd5 23. Rad1 Bxf3 24. gxf3 Rfd8 25. Bc1 b5 26. Be3 Rxd1 27. Rxd1 h5 28. Rd7 a6 29. Kg2 Bf8 30. Kg3 a5 31. Rb7 axb4 32. axb4 Bxb4 33. Rxb5 Be7 34. Rb7 Kf7 35. Bc5 Re8 36. Rxe7+ Rxe7 37. Bxe7 Kxe7 38. f4 e4 39. f3 e3 40. h4 Ke6 41. Kg2 Kf5 42. Kf1 Kxf4 43. Ke2 g5 0-1

[Event "Baiano-ch"]
[Site "Salvador"]
[Date "2012.10.13"]
[Round "4.33"]
[White "Martins, Igor Carvalho Ribei"]
[Black "Costa, Ricardo Santos"]
[Result "0-1"]
[ECO "B07"]
[BlackElo "1849"]
[PlyCount "80"]
[EventDate "2012.10.11"]
[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 g6 2. Bc4 d6 3. b3 Bg7 4. Nc3 Nf6 5. d3 Nxe4 6. Bb2 Nxc3 7. Bxc3 Bxc3+ 8. Ke2 Bxa1 9. Qxa1 0-0 10. Bd5 c6 11. Be4 d5 12. Bf3 e5 13. Qxe5 Re8 14. d4 Rxe5+ 15. dxe5 Qg5 16. Nh3 Bxh3 17. gxh3 Qxe5+ 18. Kf1 Qa1+ 19. Kg2 Qxh1+ 20. Kxh1 Na6 21. c4 dxc4 22. bxc4 Rd8 23. h4 Nb4 24. h5 Nxa2 25. hxg6 hxg6 26. h4 b5 27. cxb5 cxb5 28. h5 gxh5 29. Bxh5 b4 30. Bg4 b3 31. Bf5 b2 32. Kg2 Nb4 33. Kf3 Nd3 34. Ke3 b1Q 35. Kf3 Ne1+ 36. Kg4 Rd4+ 37. Kg5 Rd5 38. f4 Qxf5+ 39. Kh4 Qxf4+ 40. Kh3 Rh5# 0-1

[Event "Baiano-ch"]
[Site "Salvador"]
[Date "2012.10.13"]
[Round "5.27"]
[White "Schade, Denise Patricia Oli"]
[Black "Costa, Ricardo Santos"]
[Result "0-1"]
[ECO "B08"]
[BlackElo "1849"]
[PlyCount "92"]
[EventDate "2012.10.11"]
[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 g6 2. d4 d6 3. Nf3 Nf6 4. Nc3 Bg7 5. d5 a6 6. h3 0-0 7. Be2 c6 8. 0-0 b5 9. b4 Bb7 10. Bg5 Nxd5 11. Nxd5 cxd5 12. Rc1 dxe4 13. Nd2 d5 14. f3 f6 15. Be3 d4 16. Bf2 e3 17. Bg3 exd2 18. Qxd2 e5 19. Rcd1 Nc6 20. a3 Ne7 21. Bf2 Nd5 22. c4 Nc3 23. Rc1 Nxe2+ 24. Qxe2 bxc4 25. Qxc4+ Qd5 26. Qc7 Rac8 27. Qb6 Qb5 28. Qe6+ Kh8 29. Rfd1 Rc6 30. Qe7 Rfc8 31. Rxc6 Qxc6 32. Bxd4 Qc7 33. Qe6 exd4 34. Re1 Qc6 35. Qf7 Rf8 36. Qe7 Bc8 37. Qa7 f5 38. Re7 Qc1+ 39. Kh2 Rg8 40. Rc7 Be5+ 41. g3 Qxc7 42. Qxc7 Bxc7 43. Kg2 d3 44. g4 d2 45. f4 d1Q 46. Kg3 fxg4 0-1

[Event "Baiano-ch"]
[Site "Salvador"]
[Date "2012.10.12"]
[Round "3.30"]
[White "Costa, Ricardo Santos"]
[Black "Souza, Nivaldo Seixas De"]
[Result "0-1"]
[ECO "A22"]
[WhiteElo "1849"]
[PlyCount "118"]
[EventDate "2012.10.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 e5 3. Bg2 Bc5 4. Nc3 0-0 5. d3 Ng4 6. Ne4 Bb6 7. h3 Nf6 8. Nxf6+ Qxf6 9. Nf3 h6 10. 0-0 Re8 11. Nd2 Qg6 12. b4 d6 13. a4 Bxh3 14. Bxh3 Qxg3+ 15. Bg2 Bd4 16. Ne4 Qh4 17. Rb1 f5 18. Ng3 Qxg3 19. e3 Qg6 20. exd4 e4 21. Re1 Nc6 22. dxe4 fxe4 23. Re3 Re7 24. b5 Na5 25. Qc2 Rae8 26. Bd2 b6 27. Bxa5 bxa5 28. Qd2 Rf7 29. Rf1 Rf4 30. Rg3 Qf7 31. d5 g5 32. Bh3 Qf6 33. Qxa5 Rf8 34. Qc3 Qxc3 35. Rxc3 Rf3 36. Be6+ Kg7 37. Rfc1 Rxf2 38. c5 Ra2 39. Rf1 Rxf1+ 40. Kxf1 Rxa4 41. cxd6 cxd6 42. Rc6 Rb4 43. Bd7 Rxb5 44. Rxd6 Rb6 45. Bc6 h5 46. Rd7+ Kf6 47. Rxa7 h4 48. Rh7 Ke5 49. Re7+ Kf4 50. Rf7+ Kg3 51. Rb7 Ra6 52. Rb4 Kf3 53. Ra4 Rb6 54. Ra3+ e3 55. d6+ Rxc6 56. Ra1 Rxd6 57. Kg1 g4 58. Rf1+ Kg3 59. Kh1 e2 0-1

[Event "Baiano-ch"]
[Site "Salvador"]
[Date "2012.10.12"]
[Round "2.23"]
[White "Costa, Rogerio de Souza"]
[Black "Costa, Ricardo Santos"]
[Result "1-0"]
[ECO "A36"]
[BlackElo "1849"]
[PlyCount "117"]
[EventDate "2012.10.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 c5 2. g3 g6 3. Bg2 Bg7 4. Nc3 Nf6 5. b3 0-0 6. Bb2 Nc6 7. e3 d6 8. Nge2 Bf5 9. d4 cxd4 10. Nxd4 Nxd4 11. exd4 Qc8 12. 0-0 Bh3 13. Re1 Bxg2 14. Kxg2 Re8 15. Rb1 b6 16. d5 a6 17. a4 b5 18. axb5 axb5 19. Nxb5 Qc5 20. Bd4 Qc8 21. Ra1 Rb8 22. Ra7 Rb7 23. Rxb7 Qxb7 24. Bxf6 Bxf6 25. Nxd6 exd6 26. Rxe8+ Kg7 27. Re1 Qb6 28. Re2 h5 29. h4 Qb4 30. Qc2 Bd4 31. Qa2 Qc3 32. Qd2 Qa1 33. Re7 Bf6 34. Rb7 Qa6 35. Qb4 Bd4 36. Rb5 Qa2 37. Qe1 Qc2 38. Kf1 Qf5 39. Qe2 Qh3+ 40. Kg1 Qf5 41. Kg2 Qb1 42. Qf3 Qc2 43. Rb7 Bf6 44. Qf4 Qe2 45. b4 Qe8 46. b5 Qc8 47. Rb6 Be5 48. Rc6 Qd7 49. Qe3 Bf6 50. b6 Bd8 51. Qb3 Qe7 52. b7 Qe4+ 53. Kh2 Qe1 54. Qe3 Qb4 55. Rc8 Qxb7 56. Rxd8 Qc7 57. Qe8 Kf6 58. Rd7 Qb6 59. Qxf7+ 1-0

[Event "Baiano-ch"]
[Site "Salvador"]
[Date "2012.10.11"]
[Round "1.12"]
[White "Costa, Ricardo Santos"]
[Black "Andrade, Francisco Antonio D"]
[Result "0-1"]
[ECO "E07"]
[WhiteElo "1849"]
[BlackElo "1964"]
[PlyCount "94"]
[EventDate "2012.10.11"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 Nf6 2. Nf3 e6 3. g3 Be7 4. Bg2 0-0 5. 0-0 d5 6. cxd5 exd5 7. d4 c6 8. Ne5 Nbd7 9. Nxd7 Bxd7 10. Nc3 Qc8 11. e4 dxe4 12. Nxe4 Bh3 13. Nxf6+ Bxf6 14. Be3 Bxg2 15. Kxg2 Qd7 16. Qf3 Rad8 17. Rfd1 Qd5 18. Qxd5 Rxd5 19. Rd2 Rfd8 20. Rad1 a5 21. b3 R8d7 22. Kf3 g6 23. Ke2 Bg7 24. Rd3 f5 25. R1d2 Bf6 26. f4 Kf7 27. Rd1 h6 28. h4 h5 29. R3d2 Ke6 30. Kf3 Kd6 31. Rc1 Kc7 32. Rc5 b6 33. Rcc2 Kb7 34. Ke2 Be7 35. Rd3 Bb4 36. Rc1 Rd8 37. Rcd1 Be7 38. R3d2 Bf6 39. Rc1 Bxd4 40. Rcd1 Bxe3 41. Kxe3 Rxd2 42. Rxd2 Rxd2 43. Kxd2 c5 44. Kd3 b5 45. Kc3 Kc6 46. a4 bxa4 47. bxa4 Kd5 0-1

[Event "BRA Bahia Region"]
[Site "Salvador"]
[Date "2012.08.25"]
[Round "2.11"]
[White "Xavier, Nailton Machado"]
[Black "Costa, Ricardo Santos"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1891"]
[BlackElo "1849"]
[PlyCount "63"]
[EventDate "2012.08.24"]
[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. Bf4 e6 3. e3 c6 4. c3 Bd6 5. Nf3 Nf6 6. Nbd2 h6 7. Bd3 Qc7 8. Bxd6 Qxd6 9. Ne5 Nbd7 10. f4 Qe7 11. Qe2 Nxe5 12. fxe5 Nd7 13. 0-0-0 Nb6 14. h4 c5 15. Qg4 g6 16. Qf4 Bd7 17. Rdf1 cxd4 18. exd4 h5 19. Nf3 Na4 20. Ng5 Rf8 21. Nh7 Rh8 22. Ng5 Nxc3 23. bxc3 Qa3+ 24. Kd2 0-0-0 25. Ra1 Kb8 26. Rhc1 Qe7 27. Qxf7 Qe8 28. Bxg6 Qxf7 29. Nxf7 Rhg8 30. Nxd8 Rxg6 31. Rg1 Rg7 32. Raf1 1-0

[Event "BRA Bahia Region"]
[Site "Salvador"]
[Date "2012.08.24"]
[Round "1.9"]
[White "Costa, Ricardo Santos"]
[Black "Andrade, Francisco Antonio D"]
[Result "0-1"]
[ECO "E14"]
[WhiteElo "1849"]
[BlackElo "1984"]
[PlyCount "55"]
[EventDate "2012.08.24"]
[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. e3 e6 3. a3 Be7 4. Nf3 0-0 5. c4 d6 6. Bd3 Nbd7 7. 0-0 c5 8. Nc3 b6 9. Qc2 Bb7 10. Ng5 h6 11. Nge4 Rc8 12. dxc5 bxc5 13. Nxf6+ Nxf6 14. Ne4 Qc7 15. Bd2 Qc6 16. f3 Rfd8 17. Nxf6+ Bxf6 18. Bc3 Bxc3 19. Qxc3 d5 20. cxd5 exd5 21. Rac1 Qe6 22. Rfe1 Qd6 23. Qc2 Qf6 24. e4 c4 25. e5 Qb6+ 26. Qf2 cxd3 27. Qxb6 axb6 28. e6 0-1

[Event "Salvador IV op"]
[Site "Salvador"]
[Date "2011.04.24"]
[Round "6.9"]
[White "Costa, Ricardo Santos"]
[Black "Barbalho, Gilsomar Silva"]
[Result "0-1"]
[ECO "E61"]
[BlackElo "1968"]
[PlyCount "157"]
[EventDate "2011.04.21"]
[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. Nf3 0-0 5. e3 d6 6. Bd3 Bg4 7. h3 Bd7 8. 0-0 c6 9. Ne4 Nxe4 10. Bxe4 f5 11. Bc2 e6 12. Rb1 Be8 13. b4 Nd7 14. Bb2 g5 15. c5 d5 16. Ne5 Qf6 17. f4 Kh8 18. Nxd7 Bxd7 19. Qh5 Bh6 20. Qf3 Rg8 21. Kf2 a5 22. a3 axb4 23. axb4 Ra2 24. Bb3 Raa8 25. Ke2 g4 26. Qf2 gxh3 27. gxh3 Rg6 28. Rg1 Rag8 29. Rxg6 Qxg6 30. Rf1 Qh5+ 31. Qf3 Qh4 32. Qh1 Be8 33. Bc3 Bh5+ 34. Kd3 Qg3 35. Be1 Qg2 36. Qxg2 Rxg2 37. Bf2 Bf8 38. Kd2 Be7 39. Ba4 Rh2 40. b5 cxb5 41. Bxb5 Bd8 42. Be2 Be8 43. h4 Ba5+ 44. Kc1 b6 45. cxb6 Bxb6 46. Kd1 Ba4+ 47. Kc1 Kg7 48. Bd3 Kf7 49. Kd2 Bd8 50. Ke1 Bb3 51. Rg1 Bxh4 52. Bxh4 Rxh4 53. Kf2 Rh2+ 54. Rg2 Rh6 55. Be2 Bc2 56. Bf3 Be4 57. Bxe4 fxe4 58. Rg5 Rh2+ 59. Ke1 h6 60. Re5 Kf6 61. f5 Rh5 62. Rxe6+ Kxf5 63. Re8 Kg4 64. Rf8 Rf5 65. Rh8 h5 66. Ke2 h4 67. Rg8+ Rg5 68. Rh8 Kg3 69. Kf1 Kf3 70. Rxh4 Kxe3 71. Rh2 Kxd4 72. Ke2 Rg8 73. Rf2 Ra8 74. Rf7 Ra2+ 75. Kd1 Kd3 76. Kc1 e3 77. Rd7 d4 78. Rb7 e2 79. Rb3+ 0-1

[Event "Salvador IV op"]
[Site "Salvador"]
[Date "2011.04.24"]
[Round "7.12"]
[White "De Souza Assis, Rafael"]
[Black "Costa, Ricardo Santos"]
[Result "1-0"]
[ECO "A06"]
[PlyCount "143"]
[EventDate "2011.04.21"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. b3 Nf6 2. Bb2 e6 3. Nf3 c5 4. e3 d5 5. Be2 Bd6 6. 0-0 0-0 7. d3 Qc7 8. Nbd2 Nc6 9. h3 Ne5 10. Nxe5 Bxe5 11. Bxe5 Qxe5 12. d4 cxd4 13. Nf3 Qd6 14. Qxd4 Ne4 15. c4 Qb6 16. cxd5 exd5 17. Qxb6 axb6 18. Rfc1 Be6 19. Nd4 Rfc8 20. a4 Rxc1+ 21. Rxc1 Rc8 22. Rxc8+ Bxc8 23. Bf3 Bd7 24. Kf1 Nd2+ 25. Ke2 Nxf3 26. Nxf3 f6 27. Kd3 Kf7 28. Kd4 Ke6 29. Ne1 Kd6 30. Nd3 Be8 31. Nf4 Bf7 32. Ne2 Be8 33. f4 g6 34. h4 h5 35. Nc3 Bf7 36. g3 f5 37. Nb1 Be8 38. Nc3 Bf7 39. b4 Be8 40. Nxd5 Bxa4 41. Nxb6 Bc6 42. Nc4+ Ke6 43. Ne5 Be8 44. Kc5 b5 45. Nc6 Bd7 46. Nd4+ Ke7 47. Nxb5 Bc8 48. Nd6 Bd7 49. b5 Bxb5 50. Nxb5 Ke6 51. Kd4 Kf6 52. e4 fxe4 53. Kxe4 Ke6 54. f5+ gxf5+ 55. Kf4 Kf6 56. Nd4 Kg6 57. Nxf5 Kf6 58. Nd6 Kg6 59. Ke5 Kh6 60. Kf6 Kh7 61. Nf5 Kh8 62. Ng7 Kh7 63. Nxh5 Kh6 64. g4 Kh7 65. g5 Kg8 66. g6 Kf8 67. Nf4 Kg8 68. Ne6 Kh8 69. h5 Kg8 70. h6 Kh8 71. Ng5 Kg8 72. h7+ 1-0

[Event "Salvador IV op"]
[Site "Salvador"]
[Date "2011.04.23"]
[Round "5.8"]
[White "Azevedo, Eduardo Jose E"]
[Black "Costa, Ricardo Santos"]
[Result "1/2-1/2"]
[ECO "B07"]
[WhiteElo "1923"]
[PlyCount "58"]
[EventDate "2011.04.21"]
[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 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 c6 5. Qd2 Nf6 6. f3 h5 7. Nh3 b6 8. Bd3 Ba6 9. Nf2 Bxd3 10. Nxd3 Na6 11. 0-0-0 Nc7 12. Kb1 c5 13. Nf2 cxd4 14. Bxd4 Bh6 15. Be3 Bxe3 16. Qxe3 Qb8 17. e5 dxe5 18. Qxe5 Ne6 19. Qb5+ Kf8 20. Nd5 a6 21. Qxb6 Nxd5 22. Qxb8+ Rxb8 23. Rxd5 Nf4 24. Rd7 Nxg2 25. Rhd1 Nh4 26. Rd8+ Kg7 27. Rxh8 Rxh8 28. f4 Re8 29. c4 Nf3 1/2-1/2

[Event "Salvador IV op"]
[Site "Salvador"]
[Date "2011.04.23"]
[Round "4.14"]
[White "Costa, Ricardo Santos"]
[Black "Cavalcante, Humberto Costa"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "74"]
[EventDate "2011.04.21"]
[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. e3 a6 3. Nf3 Nc6 4. Be2 Nf6 5. 0-0 e6 6. c4 Be7 7. a3 0-0 8. b4 Na7 9. c5 c6 10. Nc3 Bd7 11. Bd2 Nc8 12. a4 h6 13. a5 Nh7 14. Ne5 Bf6 15. f4 Bxe5 16. fxe5 f5 17. Na4 Ng5 18. Bf3 Ne4 19. Bxe4 fxe4 20. Rxf8+ Qxf8 21. Qf1 Be8 22. Qxf8+ Kxf8 23. Nb6 Nxb6 24. cxb6 Rd8 25. Rf1+ Ke7 26. Rf4 Bg6 27. Kf1 h5 28. Be1 Bf5 29. Bh4+ Kd7 30. Bxd8 Kxd8 31. h3 g5 32. Rf2 h4 33. Kg1 Ke7 34. Kh2 Kf7 35. g3 hxg3+ 36. Kxg3 Kg6 37. Rc2 Kf7 1-0

[Event "Salvador IV op"]
[Site "Salvador"]
[Date "2011.04.22"]
[Round "2.17"]
[White "Costa, Ricardo Santos"]
[Black "Nunes, Kleber Ferreira"]
[Result "1-0"]
[ECO "D02"]
[PlyCount "63"]
[EventDate "2011.04.21"]
[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. e3 Bg4 4. Be2 Nc6 5. Nbd2 e6 6. 0-0 Bd6 7. a3 a6 8. c4 dxc4 9. Nxc4 0-0 10. Nxd6 cxd6 11. Bd2 Ne4 12. Re1 f5 13. Rc1 Rf6 14. Bc3 Rh6 15. d5 Bxf3 16. Bxf3 Qh4 17. Bxe4 fxe4 18. dxc6 Qxh2+ 19. Kf1 Qh1+ 20. Ke2 Qxg2 21. cxb7 Rf8 22. Rf1 Rh2 23. Be1 Qg5 24. Qb3 Rh5 25. Qxe6+ Kh8 26. b8Q Rxb8 27. Rc8+ Qd8 28. Rxd8+ Rxd8 29. Qe7 Rb8 30. Bc3 Rg8 31. Rg1 h6 32. Rxg7 1-0

[Event "Salvador IV op"]
[Site "Salvador"]
[Date "2011.04.22"]
[Round "3.13"]
[White "Souza, Jailson"]
[Black "Costa, Ricardo Santos"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "1860"]
[PlyCount "81"]
[EventDate "2011.04.21"]
[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. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. Bf4 c6 6. e3 0-0 7. Qc2 Nbd7 8. cxd5 exd5 9. Bd3 Re8 10. 0-0 Nf8 11. Be5 Ng6 12. h4 Bd6 13. Bxg6 hxg6 14. Bxd6 Qxd6 15. Ne5 Ng4 16. Nxg4 Bxg4 17. f3 Bf5 18. e4 dxe4 19. fxe4 Qxd4+ 20. Rf2 Bxe4 21. Nxe4 Qxe4 22. Qb3 Re7 23. Raf1 Qd5 24. Qa3 Qd7 25. Qb3 Rae8 26. a4 Re1 27. Qxf7+ Qxf7 28. Rxf7 Rxf1+ 29. Rxf1 Re4 30. b3 Rxh4 31. g3 Rb4 32. Rf3 a5 33. Kf2 b5 34. Rc3 bxa4 35. bxa4 Rxa4 36. Rxc6 Ra1 37. Rxg6 Kf7 38. Ra6 a4 39. Kg2 a3 40. g4 Ra2+ 41. Kg3 1/2-1/2

[Event "Salvador IV op"]
[Site "Salvador"]
[Date "2011.04.21"]
[Round "1.15"]
[White "Amaral, Gileno Rodrigues"]
[Black "Costa, Ricardo Santos"]
[Result "1-0"]
[ECO "E90"]
[WhiteElo "1916"]
[PlyCount "59"]
[EventDate "2011.04.21"]
[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 g6 2. d4 Bg7 3. c4 d6 4. Nc3 Nf6 5. Nf3 c6 6. h3 0-0 7. Bd3 Nfd7 8. 0-0 c5 9. d5 Ne5 10. Nxe5 Bxe5 11. Bh6 Bg7 12. Bxg7 Kxg7 13. f4 f5 14. e5 Nd7 15. Qe2 a6 16. Rae1 Rf7 17. e6 Nf6 18. exf7 Kxf7 19. Qf2 Bd7 20. Re3 Rb8 21. Rfe1 Ng8 22. g4 fxg4 23. hxg4 Bxg4 24. Qh4 h5 25. Qg5 Qd7 26. Bxg6+ Kf8 27. Bh7 Kf7 28. Bxg8+ Rxg8 29. Rxe7+ Qxe7 30. Rxe7+ 1-0

