[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.27"]
[Round "9"]
[White "Pavao, Fabio Biasi"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "1/2-1/2"]
[ECO "A11"]
[WhiteElo "1783"]
[BlackElo "1544"]
[PlyCount "35"]
[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 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 Bg4 5. cxd5 cxd5 6. Qb3 Bxf3 7. Qxb7 Nbd7 8. gxf3 e6 9. Nb5 Rc8 10. Nxa7 Rc7 11. Qa6 Nc5 12. Qb5+ Nfd7 13. Nc6 Qc8 14. Ne5 Rb7 15. Qc6 Rc7 16. Qb5 Rb7 17. Qc6 Rc7 18. Qb5 1/2-1/2

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.25"]
[Round "7"]
[White "Da Fonseca Pinto, Joao Gabriel Alves"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1808"]
[BlackElo "1544"]
[PlyCount "61"]
[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 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. 0-0 0-0 8. Re1 Nf6 9. c3 Bg4 10. Bg5 Nbd7 11. Nbd2 h6 12. Bh4 b6 13. h3 Bxf3 14. Nxf3 c5 15. Rc1 c4 16. Bb1 b5 17. a3 a5 18. Ne5 Rc8 19. Qc2 g5 20. Bg3 Kg7 21. Qf5 Rh8 22. Nxd7 Nxd7 23. Qxd5 b4 24. axb4 axb4 25. Bf5 bxc3 26. bxc3 Ba3 27. Qxd7 Bxc1 28. Be5+ Kf8 29. Qxc8 Qxc8 30. Bxc8 Bd2 31. Re2 1-0

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.24"]
[Round "6"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Barbosa, Flavio Novais"]
[Result "1/2-1/2"]
[ECO "D03"]
[WhiteElo "1544"]
[BlackElo "1827"]
[PlyCount "116"]
[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. Bg5 d5 3. Nf3 c6 4. e3 g6 5. Bxf6 exf6 6. c4 Bg7 7. Nc3 dxc4 8. Bxc4 0-0 9. 0-0 Nd7 10. b4 Nb6 11. Bb3 f5 12. Rc1 Qe7 13. a3 a6 14. Qc2 Be6 15. Rfd1 Rfd8 16. Rb1 Rac8 17. a4 Nd5 18. Nxd5 Bxd5 19. Bxd5 Rxd5 20. b5 axb5 21. axb5 c5 22. Rdc1 b6 23. Qa2 Rcd8 24. Qa3 Bf8 25. dxc5 Qd7 26. g3 Bxc5 27. Qc3 Rd3 28. Qf6 Qd5 29. Qc6 Rd6 30. Qxd5 R6xd5 31. Kf1 Ra3 32. Rc2 Kg7 33. Ke2 Kf6 34. Nd2 Rdd3 35. Nc4 Rdc3 36. Rbc1 Rxc2+ 37. Rxc2 Rb3 38. Nxb6 Bxb6 39. Rc6+ Kg5 40. Rxb6 h5 41. Rb8 h4 42. b6 hxg3 43. hxg3 Kg4 44. Rb7 Rb2+ 45. Kd3 Kf3 46. Kc3 Rb1 47. Kc4 Kxf2 48. Kc5 Kxg3 49. Rxf7 Kf3 50. Rg7 Kxe3 51. Rxg6 f4 52. Re6+ Kd3 53. Rf6 Ke3 54. Kc6 f3 55. b7 f2 56. Kc7 Rxb7+ 57. Kxb7 Ke2 58. Rxf2+ Kxf2 1/2-1/2

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.23"]
[Round "5"]
[White "Lucci, Bruno Wendorff"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "1-0"]
[ECO "C32"]
[WhiteElo "1931"]
[BlackElo "1544"]
[PlyCount "71"]
[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. f4 d5 3. exd5 e4 4. d3 Nf6 5. dxe4 Nxe4 6. Qd4 Qh4+ 7. g3 Qe7 8. Be3 Nd7 9. Nd2 Nd6 10. Bd3 Nf6 11. 0-0-0 Qd8 12. c4 Be7 13. h3 Nf5 14. Bxf5 Bxf5 15. g4 Bc8 16. Ne2 0-0 17. Ng3 b6 18. Rhg1 Re8 19. Qd3 Ba6 20. g5 Nd7 21. Bd4 Bc5 22. Nh5 g6 23. Ne4 Bxd4 24. Qxd4 gxh5 25. Nf6+ Nxf6 26. gxf6+ Kh8 27. Rg7 Rg8 28. Rdg1 Rxg7 29. Rxg7 Qe8 30. Kd2 Rd8 31. Qd3 Rxd5 32. Qxd5 Bc8 33. Qd3 Qd7 34. Qxd7 Bxd7 35. Rxf7 Bxh3 36. Rf8# 1-0

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.22"]
[Round "4"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Dias, Marcelo de Souza"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "1544"]
[BlackElo "1854"]
[PlyCount "83"]
[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 d5 2. c4 c6 3. Nc3 Nf6 4. Bg5 Nbd7 5. e3 Qb6 6. Qb3 e6 7. c5 Qxb3 8. axb3 e5 9. Nf3 e4 10. Nd2 h6 11. Bh4 g5 12. Bg3 Nh5 13. b4 Nxg3 14. hxg3 Bg7 15. b5 Nf6 16. b6 a6 17. b4 Bd7 18. b5 cxb5 19. Nxb5 Ke7 20. Nd6 Rab8 21. Nb3 Ne8 22. Nxe8 Rhxe8 23. Na5 Kf8 24. Be2 f5 25. Kd2 f4 26. gxf4 gxf4 27. Rhb1 Re6 28. Bg4 Re7 29. Bxd7 Rxd7 30. Nxb7 Rdxb7 31. c6 fxe3+ 32. fxe3 Rxb6 33. Rxb6 Rxb6 34. c7 Rc6 35. Rc1 Rxc7 36. Rxc7 Bf6 37. Rd7 Ke8 38. Rxd5 Ke7 39. Ra5 Ke6 40. Rxa6+ Kf5 41. Rxf6+ Kxf6 42. Kc3 1-0

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.21"]
[Round "2"]
[White "Da Silva Junior, Jose Cacio"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1139"]
[BlackElo "1544"]
[PlyCount "66"]
[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. e5 Bf5 4. Nf3 e6 5. Bd3 Bxd3 6. Qxd3 Nd7 7. 0-0 c5 8. c3 cxd4 9. cxd4 Bb4 10. Bd2 Bxd2 11. Nbxd2 Ne7 12. Rac1 0-0 13. Rfe1 h6 14. Nf1 Nc6 15. a3 a6 16. Qd1 Na5 17. Rc3 Nc4 18. Qc1 b5 19. b3 Ncb6 20. Ne3 Rc8 21. Ng4 Rxc3 22. Qxc3 h5 23. Ne3 Qe7 24. b4 Rc8 25. Qd2 Nc4 26. Nxc4 dxc4 27. Rc1 Nb6 28. h4 Nd5 29. Ng5 a5 30. Qc2 g6 31. g3 axb4 32. axb4 Nxb4 33. Qc3 Na2 0-1

[Event "Florianopolis op 10th"]
[Site "Florianopolis"]
[Date "2024.01.20"]
[Round "1"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Gauche, Charles"]
[Result "0-1"]
[ECO "A44"]
[WhiteElo "1544"]
[BlackElo "2182"]
[PlyCount "77"]
[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 c5 2. d5 e5 3. c4 d6 4. Nc3 f5 5. e4 f4 6. Nf3 g5 7. h3 h6 8. Bd3 Nf6 9. a3 Bg7 10. b4 Na6 11. Bd2 0-0 12. Qb3 Bd7 13. Rb1 Be8 14. Qc2 Bg6 15. Ke2 Qd7 16. b5 Nb8 17. Na4 Qe7 18. Nc3 Nbd7 19. Ne1 Bh5+ 20. f3 Bh8 21. a4 Bg6 22. a5 Nh5 23. Kf2 Ng3 24. Rh2 Nf6 25. Ne2 Nfh5 26. Qd1 Bf6 27. Nc2 Qg7 28. Kg1 Nxe2+ 29. Bxe2 Ng3 30. Be1 Nxe2+ 31. Qxe2 h5 32. Bf2 Be8 33. Ne1 Bd7 34. Nd3 Kf7 35. Qd2 Rg8 36. Rb3 g4 37. Ne1 g3 38. Bxg3 fxg3 39. Rh1 0-1

[Event "BRA-ch (Women) 62nd"]
[Site "Timbo"]
[Date "2023.11.03"]
[Round "8"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Campagnolo, Fabiola"]
[Result "0-1"]
[ECO "A43"]
[WhiteElo "1531"]
[BlackElo "1689"]
[PlyCount "92"]
[EventDate "2023.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 c5 2. d5 b5 3. Nf3 d6 4. e4 a6 5. c4 Nf6 6. cxb5 Bd7 7. e5 dxe5 8. bxa6 e4 9. Ne5 Nxa6 10. Nxd7 Qxd7 11. Nc3 Nc7 12. Bc4 Rd8 13. Be3 Nfxd5 14. Nxd5 Nxd5 15. Qb3 Qf5 16. Bb5+ Rd7 17. Bxd7+ Qxd7 18. Qb8+ Qd8 19. Qxd8+ Kxd8 20. Bxc5 e6 21. Bxf8 Rxf8 22. g3 Kd7 23. Ke2 Rb8 24. b3 Ra8 25. Rhc1 Kd6 26. a4 Ra5 27. Rc4 f5 28. b4 Ra6 29. a5 Nc7 30. Rd1+ Nd5 31. Rb1 Kd7 32. Kd2 g5 33. Ra1 Nc7 34. Rd4+ Ke7 35. Rc1 Nb5 36. Rdc4 Rd6+ 37. Ke1 Nd4 38. Kf1 Nb3 39. Rc7+ Kf6 40. Re1 h5 41. Kg2 Ke5 42. Rb1 Nd2 43. Rb2 Nf3 44. b5 Rd1 45. Rb3 Rg1+ 46. Kh3 g4# 0-1

[Event "BRA-ch (Women) 62nd"]
[Site "Timbo"]
[Date "2023.11.03"]
[Round "7"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Grundmann, Julia Cristhine"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1531"]
[BlackElo "1182"]
[PlyCount "109"]
[EventDate "2023.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. e4 d6 5. Bg5 0-0 6. Bc4 c5 7. dxc5 dxc5 8. e5 Qxd1+ 9. Rxd1 Ng4 10. 0-0 Nc6 11. Bd5 Bf5 12. Bxc6 bxc6 13. Bxe7 Rfe8 14. Bxc5 Nxe5 15. Nd4 Bd7 16. h3 Nc4 17. b3 Nb6 18. a4 Nd5 19. Nxd5 cxd5 20. a5 a6 21. b4 Rac8 22. Rd2 Bxd4 23. Rxd4 Bb5 24. Rfd1 Bc6 25. Rxd5 Bxd5 26. Rxd5 Red8 27. Rxd8+ Rxd8 28. Kf1 f5 29. Ke2 Kf7 30. Bb6 Rc8 31. Kd3 Ke6 32. c4 Kd6 33. b5 axb5 34. cxb5 Kd5 35. Ba7 Ra8 36. b6 Kc6 37. a6 Rg8 38. Ke3 Kb5 39. b7 Kxa6 40. b8Q Rxb8 41. Bxb8 Kb7 42. Be5 Kc6 43. Kf4 Kd7 44. Kg5 Ke6 45. Bb8 Kf7 46. Kh6 Kg8 47. Be5 Kf7 48. Kxh7 g5 49. Kh6 Ke6 50. Kxg5 Kxe5 51. f4+ Ke6 52. h4 Kf7 53. Kxf5 Kg7 54. Ke6 Kf8 55. Kf6 1-0

[Event "BRA-ch (Women) 62nd"]
[Site "Timbo"]
[Date "2023.11.02"]
[Round "6"]
[White "Kanzler, Karina Daniela"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "1-0"]
[ECO "A06"]
[WhiteElo "1830"]
[BlackElo "1531"]
[PlyCount "83"]
[EventDate "2023.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. Nf3 d5 2. b3 c5 3. Bb2 Nc6 4. e3 Bg4 5. Bb5 Rc8 6. h3 Bh5 7. Bxc6+ Rxc6 8. g4 Bg6 9. Ne5 Rc8 10. Qe2 a6 11. d3 e6 12. Nd2 Nf6 13. h4 h6 14. Nxg6 fxg6 15. 0-0-0 Qa5 16. Kb1 Qb4 17. f4 a5 18. e4 d4 19. Nc4 Nd7 20. a4 b5 21. Ba3 Qc3 22. Bc1 bxc4 23. dxc4 Qb4 24. e5 Rb8 25. Ka2 Qb7 26. Qd3 Kf7 27. h5 gxh5 28. gxh5 Ke7 29. Rhg1 Qc8 30. Ba3 Qc6 31. Qxd4 Ke8 32. Qd3 Kd8 33. Rg6 Kc7 34. Qc3 Rb6 35. Qxa5 Qe4 36. Rxd7+ Kxd7 37. Qxb6 Qxc2+ 38. Bb2 Qf5 39. a5 Be7 40. Qb7+ Ke8 41. Qc8+ Bd8 42. Rxe6+ 1-0

[Event "BRA-ch (Women) 62nd"]
[Site "Timbo"]
[Date "2023.11.01"]
[Round "5"]
[White "Medeiros, Thauane Ferreira"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "1-0"]
[ECO "D00"]
[WhiteElo "1874"]
[BlackElo "1531"]
[PlyCount "85"]
[EventDate "2023.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 Bf5 4. c4 e6 5. Qb3 Nc6 6. Nc3 Bb4 7. a3 Bxc3+ 8. bxc3 Na5 9. Qb4 c6 10. Bg5 dxc4 11. Bxc4 Nxc4 12. Qxc4 0-0 13. Nf3 h6 14. Bxf6 gxf6 15. 0-0 Qd5 16. Qe2 Bg4 17. Rfb1 b6 18. a4 Kh8 19. h3 Bxf3 20. Qxf3 Qxf3 21. gxf3 Rg8+ 22. Kf1 Rg5 23. a5 b5 24. a6 Rb8 25. c4 Rb6 26. f4 Rh5 27. Kg2 Kg7 28. Kg3 Kg6 29. h4 Rb8 30. Rb4 Rb6 31. Kh3 Kh7 32. f3 Kg6 33. Rb2 Kh7 34. d5 exd5 35. Kg4 dxc4 36. Kxh5 b4 37. Rc2 c3 38. Rg1 Rb5+ 39. f5 Rb8 40. Rcg2 Rf8 41. Rg7+ Kh8 42. Kxh6 c2 43. Rh7# 1-0

[Event "BRA-ch (Women) 62nd"]
[Site "Timbo"]
[Date "2023.10.31"]
[Round "4"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Tamarozi, Isabelle"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1531"]
[BlackElo "1982"]
[PlyCount "122"]
[EventDate "2023.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 g6 3. Bxf6 exf6 4. e3 d5 5. c4 dxc4 6. Bxc4 Bd6 7. Nc3 0-0 8. Nge2 f5 9. 0-0 c6 10. d5 Bxh2+ 11. Kxh2 Qh4+ 12. Kg1 Qxc4 13. d6 Rd8 14. Qd2 Nd7 15. Rfd1 Nf6 16. Rac1 Qh4 17. f3 Ne8 18. g3 Qf6 19. Qd4 Qxd4 20. Rxd4 Rxd6 21. Rh4 Nf6 22. Kf2 Be6 23. Rch1 h5 24. Rb4 b6 25. Rd4 Rad8 26. Rhd1 Rxd4 27. Rxd4 Rxd4 28. Nxd4 Bd7 29. b4 a6 30. a4 Kf8 31. Ke2 Ke7 32. Kd3 Kd6 33. f4 Nd5 34. Nxd5 Kxd5 35. Nf3 a5 36. bxa5 bxa5 37. Ne5 Be8 38. Nc4 c5 39. Nb6+ Kc6 40. Nc4 Kc7 41. Nxa5 Bxa4 42. Kc3 Bb5 43. Nb3 Kd6 44. Nd2 Kd5 45. Kb3 f6 46. Kc3 g5 47. Kc2 Be2 48. Nb1 Ke4 49. Kd2 Ba6 50. Nc3+ Kf3 51. Nd5 h4 52. fxg5 fxg5 53. gxh4 gxh4 54. Nf4 Bb5 55. Nh3 Kg3 56. Nf4 h3 57. Nxh3 Kxh3 58. e4 fxe4 59. Ke3 Bd3 60. Kd2 Kg3 61. Kd1 Kf2 0-1

[Event "BRA-ch (Women) 62nd"]
[Site "Timbo"]
[Date "2023.10.30"]
[Round "3"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Gazola, Vanessa Ramos"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "1531"]
[BlackElo "1942"]
[PlyCount "89"]
[EventDate "2023.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. e4 Nf6 2. Nc3 d5 3. e5 Nfd7 4. d4 c5 5. Nf3 e6 6. Bg5 Qb6 7. Bb5 a6 8. Bxd7+ Bxd7 9. Rb1 cxd4 10. Qxd4 Bc5 11. Qd2 Bc6 12. 0-0 Nd7 13. b4 Bxb4 14. Qf4 d4 15. Nxd4 Qa5 16. Nxc6 bxc6 17. Qxb4 Qxb4 18. Rxb4 Nxe5 19. Bf4 a5 20. Rb7 Nc4 21. Rfb1 0-0 22. Rb8 e5 23. Rxf8+ Kxf8 24. Bg3 f6 25. f4 Na3 26. Rb2 exf4 27. Bxf4 Kf7 28. Ne4 Rd8 29. Nd2 Nb5 30. c4 Nd4 31. Kf2 Nf5 32. Nf3 Rd7 33. g4 Ne7 34. c5 Nd5 35. Bd6 Nb4 36. Rb3 Nxa2 37. Ra3 Nb4 38. Rxa5 Rb7 39. Nd4 Kg6 40. h4 h5 41. Kg3 hxg4 42. Kxg4 Kf7 43. Ra8 Kg6 44. h5+ Kh6 45. Rh8# 1-0

[Event "BRA-ch (Women) 62nd"]
[Site "Timbo"]
[Date "2023.10.29"]
[Round "1"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Kneidl, Jennifer"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1531"]
[PlyCount "89"]
[EventDate "2023.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. Nf3 Be7 7. e3 Bf5 8. Qb3 Qc7 9. Bf4 Qb6 10. Qxb6 axb6 11. Be2 Nbd7 12. 0-0 0-0 13. h3 Rfe8 14. a4 Bb4 15. Rfc1 Bxc3 16. bxc3 h6 17. c4 c5 18. cxd5 Nxd5 19. Bh2 Bh7 20. Bb5 N5f6 21. Ne5 Bf5 22. g4 Be6 23. d5 Bxd5 24. Nxd7 Nxd7 25. Bxd7 Red8 26. Bb5 Be6 27. Bc7 Rd5 28. Bxb6 h5 29. Bc4 Rg5 30. Bxe6 fxe6 31. Rxc5 Rxc5 32. Bxc5 Rd8 33. a5 Rd5 34. Bb6 hxg4 35. hxg4 Re5 36. f4 Re4 37. Kf2 e5 38. Kf3 Rc4 39. f5 Rc6 40. Rd1 Kh7 41. Rd7 Kh6 42. Rxb7 g6 43. Bd8 Ra6 44. g5+ Kh5 45. Rh7# 1-0

[Event "BRA-ch (Women) 62nd"]
[Site "Timbo"]
[Date "2023.10.29"]
[Round "2"]
[White "Da Silva, Camila Evaristo"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1715"]
[BlackElo "1531"]
[PlyCount "82"]
[EventDate "2023.10.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "Mega2024 Update 01"]
[Source "Chessbase"]
[SourceDate "2023.11.12"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.12"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 Bf5 4. Bd3 Bxd3 5. cxd3 e6 6. Nf3 c5 7. dxc5 Bxc5 8. 0-0 Nc6 9. a3 0-0 10. Nbd2 Re8 11. Ne5 Bd6 12. Nxc6 bxc6 13. Bg5 Qb8 14. Bxf6 gxf6 15. Qh5 Qxb2 16. Nf3 Qb7 17. Rfb1 Qe7 18. a4 Kh8 19. a5 Bc7 20. Ra4 Rab8 21. Rxb8 Rxb8 22. g3 f5 23. Rh4 f6 24. Nd4 Rg8 25. Nxc6 Qd7 26. Nd4 Rg7 27. a6 e5 28. Nf3 Qc8 29. Ra4 Bb6 30. Nh4 f4 31. exf4 Bxf2+ 32. Kxf2 Qc2+ 33. Qe2 Qxa4 34. Nf5 Rc7 35. Kf3 Qxa6 36. Qf1 e4+ 37. Ke3 Qxd3+ 38. Qxd3 exd3 39. Kxd3 a5 40. Nd4 a4 41. g4 Rc4 0-1

[Event "Florianopolis op-B"]
[Site "Florianopolis"]
[Date "2023.09.24"]
[Round "5"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Mariani, Kim Paul"]
[Result "0-1"]
[ECO "D32"]
[WhiteElo "1548"]
[BlackElo "1643"]
[PlyCount "47"]
[EventDate "2023.09.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. cxd5 exd5 5. Nf3 Nc6 6. Bg5 Be7 7. Bxe7 Ngxe7 8. e3 0-0 9. dxc5 Bg4 10. Be2 Qa5 11. Qd2 Qxc5 12. Rd1 Rad8 13. Nd4 Bxe2 14. Qxe2 Nxd4 15. exd4 Qb4 16. 0-0 Nc6 17. Qd2 Rfe8 18. h3 h6 19. a4 Qb3 20. Rfe1 Na5 21. Ne2 Nc4 22. Qf4 Nxb2 23. Rb1 Qxa4 24. Qd2 0-1

[Event "Florianopolis op-B"]
[Site "Florianopolis"]
[Date "2023.09.24"]
[Round "6"]
[White "Schneider, Nicole Moritz"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1339"]
[BlackElo "1548"]
[PlyCount "74"]
[EventDate "2023.09.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Bf4 Bg4 7. Qb3 Qc8 8. Nd2 e6 9. Ngf3 Be7 10. 0-0 0-0 11. Qc2 Bxf3 12. Nxf3 h6 13. Rfe1 Qd7 14. Ne5 Qd8 15. Bd2 Rc8 16. Qb1 a6 17. Re3 Nxe5 18. dxe5 Nd7 19. Kh1 Bg5 20. Qe1 Bxe3 21. Qxe3 Qb6 22. Qg3 Qxb2 23. Rd1 f5 24. Bxh6 Rf7 25. Qg6 Nf8 26. Qg5 Qxc3 27. f4 Qb2 28. g4 Rc1 29. Rg1 Rxg1+ 30. Kxg1 Qd4+ 31. Kg2 Qxd3 32. gxf5 Qxf5 33. Qxf5 Rxf5 34. Bg5 Nh7 35. Bd8 Rxf4 36. Bc7 Rc4 37. Bd6 Rc2+ 0-1

[Event "Florianopolis op-B"]
[Site "Florianopolis"]
[Date "2023.09.23"]
[Round "3"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Dos Santos, Felipe Gabriel"]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "1548"]
[BlackElo "1769"]
[PlyCount "47"]
[EventDate "2023.09.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. Bg5 c6 5. Nf3 d5 6. e3 Bd6 7. c5 Bc7 8. Be2 Nbd7 9. Bxf6 Qxf6 10. 0-0 0-0 11. b4 e5 12. dxe5 Nxe5 13. Rc1 Qh6 14. h3 Rf6 15. Nxe5 Bxe5 16. Nxd5 Bh2+ 17. Kxh2 cxd5 18. Qxd5+ Be6 19. Qxb7 Raf8 20. Bc4 Bxc4 21. Rxc4 g5 22. Qd5+ R8f7 23. c6 g4 24. c7 1-0

[Event "Florianopolis op-B"]
[Site "Florianopolis"]
[Date "2023.09.23"]
[Round "2"]
[White "De Oliveira, Rafael Jose Magnant"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "1339"]
[BlackElo "1548"]
[PlyCount "118"]
[EventDate "2023.09.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nc6 5. c3 Nf6 6. Bd3 Bg4 7. 0-0 e6 8. h3 Bh5 9. Bf4 Be7 10. Nbd2 0-0 11. Qc2 Bg6 12. Bxg6 hxg6 13. Ne5 Rc8 14. Qd1 b5 15. a3 a5 16. Rc1 Qb6 17. Ndf3 Rfd8 18. Qe2 b4 19. Nxc6 Rxc6 20. axb4 axb4 21. Ne5 Rcc8 22. Be3 Nd7 23. Nxd7 Rxd7 24. cxb4 Rb8 25. b5 Rdb7 26. Rc2 Qxb5 27. Qxb5 Rxb5 28. Rb1 Ba3 29. Kf1 Rxb2 30. Rcxb2 Rxb2 31. Rxb2 Bxb2 32. Ke2 f6 33. f4 Kf7 34. Kf3 Ba3 35. h4 Ke7 36. g4 Kd7 37. g5 f5 38. Ke2 Kc6 39. Kd3 Bb4 40. Bf2 Kb5 41. Bg3 Ba5 42. Bf2 Ka4 43. Be3 Kb3 44. Bd2 Bb4 45. Be3 Be1 46. Ke2 Bxh4 47. Kd3 Be1 48. Bc1 Bb4 49. Be3 Kb2 50. Bf2 Kc1 51. Be3+ Kd1 52. Bf2 Bd2 53. Bg3 Be1 54. Bxe1 Kxe1 55. Ke3 Kd1 56. Kd3 Ke1 57. Ke3 Kd1 58. Kd3 Ke1 59. Ke3 Kd1 1/2-1/2

[Event "Florianopolis op-B"]
[Site "Florianopolis"]
[Date "2023.09.23"]
[Round "4"]
[White "Panazzolo, Paulo Victor"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1746"]
[BlackElo "1548"]
[PlyCount "59"]
[EventDate "2023.09.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h5 7. Nf3 Nd7 8. Be3 e6 9. Bd3 Bxd3 10. Qxd3 Be7 11. 0-0-0 Ngf6 12. Kb1 0-0 13. Ng5 g6 14. Nxe6 Qa5 15. Nxf8 Rxf8 16. Ne4 Nd5 17. Nxc5 Nxc5 18. dxc5 Bf6 19. Bd4 Be7 20. g4 Nb4 21. Qb3 Bxc5 22. Bxc5 Qxc5 23. gxh5 gxh5 24. Rhg1+ Kh7 25. Rg5 Qxf2 26. Qxb4 Rd8 27. Rxh5+ Kg7 28. Qg4+ Kf8 29. Rxd8+ Ke7 30. Rd7+ 1-0

[Event "Florianopolis op-B"]
[Site "Florianopolis"]
[Date "2023.09.22"]
[Round "1"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Hataby, Raed"]
[Result "0-1"]
[ECO "A45"]
[WhiteElo "1548"]
[BlackElo "1904"]
[PlyCount "50"]
[EventDate "2023.09.22"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 c6 3. e3 Qa5+ 4. Nc3 Qxg5 5. Nf3 Qa5 6. Bc4 d5 7. Bb3 Ne4 8. Qd3 b6 9. 0-0 Ba6 10. Qd1 Bxf1 11. Nxe4 Ba6 12. Neg5 h6 13. Nh3 Nd7 14. Nd2 Nf6 15. c4 dxc4 16. Nxc4 Bxc4 17. Bxc4 e6 18. Qf3 Rc8 19. e4 Be7 20. Nf4 0-0 21. g4 Qg5 22. h3 h5 23. Bd3 hxg4 24. Qg3 e5 25. dxe5 Qxe5 0-1

[Event "Florianopolis op-B 04"]
[Site "Florianopolis"]
[Date "2023.05.01"]
[Round "6"]
[White "Alonso, Leonardo Espinha"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "1800"]
[BlackElo "1456"]
[PlyCount "111"]
[EventDate "2023.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nf3 Bf5 5. Nc3 e6 6. cxd5 cxd5 7. Bd3 Bxd3 8. Qxd3 Nc6 9. 0-0 Bd6 10. Nb5 0-0 11. Nxd6 Qxd6 12. a3 Na5 13. Bd2 Nc6 14. b4 a6 15. Bc3 Rac8 16. Ne5 Qc7 17. Nxc6 Qxc6 18. Rac1 Ne4 19. Bb2 Qd7 20. Rfd1 Nd6 21. Rc3 Rxc3 22. Qxc3 Rc8 23. Qd2 Nc4 24. Qe2 Nxb2 25. Qxb2 Qc6 26. g3 Qc2 27. Qxc2 Rxc2 28. Rd3 Rc1+ 29. Kg2 Kf8 30. b5 a5 31. a4 Ke7 32. Ra3 Kd6 33. Kf3 Rc2 34. h4 h5 35. Ra1 g6 36. Ra3 Ke7 37. Ra1 Kd6 38. Ra3 f6 39. Ra1 Kd7 40. Ra3 Kd6 41. Ra1 e5 42. Ra3 Rc4 43. Ke2 exd4 44. Kd3 dxe3 45. Kxe3 Kc5 46. Kd2 Kb4 47. Re3 Rd4+ 48. Kc2 Re4 49. Rf3 f5 50. Rd3 Re2+ 51. Kb1 Kc4 52. Rf3 d4 53. Rf4 Kc3 54. Rf3+ d3 55. Ka1 Kc2 56. Rf4 0-1

[Event "Florianopolis op-B 04"]
[Site "Florianopolis"]
[Date "2023.04.30"]
[Round "4"]
[White "Bieging, Luca Jurgen"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "1274"]
[BlackElo "1456"]
[PlyCount "75"]
[EventDate "2023.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Bc4 e6 7. Nf3 Nd7 8. 0-0 Ngf6 9. Bg5 h6 10. Bxf6 Nxf6 11. Ne5 Bh7 12. Qe2 Nd5 13. Bxd5 Qxd5 14. Rfe1 Bd6 15. c4 Qxd4 16. Nxf7 Kxf7 17. Qxe6+ Kf8 18. Rad1 Bd3 19. Re3 Bxg3 20. Rxg3 Bf5 21. Qxf5+ Qf6 22. Qd7 Kg8 23. h3 Qxb2 24. Qe6+ Kh7 25. Qg6+ Kg8 26. Rd7 Rh7 27. Rf3 Qa1+ 28. Kh2 Qe5+ 29. g3 Qe8 30. Rff7 Kh8 31. Rde7 Qg8 32. Rxb7 Qe8 33. Rbe7 Qg8 34. Qxc6 Rc8 35. Rc7 Rd8 36. Rxa7 Rc8 37. Rac7 Rd8 38. a4 1-0

[Event "Florianopolis op-B 04"]
[Site "Florianopolis"]
[Date "2023.04.30"]
[Round "5"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Vieira, Igor Do Nascimento"]
[Result "1/2-1/2"]
[ECO "A84"]
[WhiteElo "1456"]
[BlackElo "1244"]
[PlyCount "67"]
[EventDate "2023.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 e6 2. c4 f5 3. Nc3 Nf6 4. Nf3 d5 5. Bf4 c6 6. e3 Bd6 7. Bxd6 Qxd6 8. c5 Qc7 9. Bd3 Nbd7 10. 0-0 0-0 11. b4 Ne4 12. Ne2 e5 13. dxe5 Nxe5 14. Nfd4 Ng4 15. Nf3 Ng5 16. Ng3 Ne4 17. Ne2 Bd7 18. h3 Ne5 19. Nfd4 Rf6 20. Nf4 g5 21. Nfe2 Rh6 22. Bxe4 fxe4 23. Ng3 Rf8 24. Qa4 Nc4 25. Qxa7 Nxe3 26. fxe3 Qxg3 27. Rxf8+ Kxf8 28. Rf1+ Kg7 29. Qxb7 Qxe3+ 30. Rf2 Qe1+ 31. Rf1 Qe3+ 32. Rf2 Qe1+ 33. Rf1 Qe3+ 34. Rf2 1/2-1/2

[Event "Florianopolis op-B 04"]
[Site "Florianopolis"]
[Date "2023.04.29"]
[Round "3"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Rodrigues, Julliano de Araujo"]
[Result "0-1"]
[ECO "D00"]
[WhiteElo "1456"]
[BlackElo "1737"]
[PlyCount "44"]
[EventDate "2023.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. Bxf6 exf6 4. e3 Bd6 5. c4 c6 6. Nc3 dxc4 7. Bxc4 0-0 8. Nf3 f5 9. 0-0 Nd7 10. a3 Nf6 11. b4 a6 12. Ba2 Qe7 13. Re1 Be6 14. d5 cxd5 15. Nxd5 Nxd5 16. Bxd5 Rfd8 17. e4 fxe4 18. Rxe4 Qf6 19. Rd4 Be5 20. Nxe5 Qxe5 21. f4 Qd6 22. Bxb7 Qb6 0-1

[Event "Florianopolis op-B 04"]
[Site "Florianopolis"]
[Date "2023.04.29"]
[Round "2"]
[White "De Oliveira, Maria Luiza Cruz"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "1770"]
[BlackElo "1456"]
[PlyCount "89"]
[EventDate "2023.04.28"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. Nf3 dxc4 5. e4 Bg4 6. Bxc4 e6 7. Bg5 h6 8. Bxf6 Qxf6 9. Be2 Bb4 10. 0-0 0-0 11. h3 Bxf3 12. Bxf3 Rd8 13. e5 Qe7 14. a3 Ba5 15. b4 Bb6 16. Ne2 Nd7 17. Qc2 Nf8 18. Rfd1 Ng6 19. Qb3 Rd7 20. Rd2 Nxe5 21. Be4 Rdd8 22. Qc2 Nd7 23. b5 Nf6 24. bxc6 Rac8 25. Rc1 bxc6 26. Bxc6 Qxa3 27. Qc3 Qxc3 28. Rxc3 Ba5 29. Rdc2 Bxc3 30. Rxc3 Rd6 31. Bb7 Rxc3 32. Nxc3 Rxd4 33. Nb5 Rb4 34. Bc6 a6 35. Na3 a5 36. Kf1 a4 37. Ke1 Rb3 38. Nc2 a3 39. Kd1 a2 40. Kc1 Rb1+ 41. Kd2 Rb2 42. Kc1 Rxc2+ 43. Kxc2 a1Q 44. Kd3 Qe5 45. Kd2 0-1

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.29"]
[Round "10"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Mesquita, Arnaldo Leite"]
[Result "1-0"]
[ECO "D41"]
[WhiteElo "1369"]
[BlackElo "1760"]
[PlyCount "93"]
[EventDate "2023.01.23"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. Nc3 d5 5. dxc5 Bxc5 6. cxd5 Nxd5 7. Nxd5 exd5 8. e3 0-0 9. Be2 Nc6 10. 0-0 Bf5 11. Qb3 Qd7 12. Rd1 Rfd8 13. h3 Nb4 14. Ne5 Qe7 15. Nd3 Rac8 16. Nxb4 Bxb4 17. Rxd5 Be6 18. Rxd8+ Rxd8 19. Qa4 a6 20. a3 Bd2 21. Bf3 g6 22. Bxd2 Rxd2 23. b4 Qf6 24. Rd1 b5 25. Qxa6 Rxd1+ 26. Bxd1 Qa1 27. Qxb5 Qxd1+ 28. Kh2 Qd6+ 29. Kg1 Bd7 30. Qb7 Qd1+ 31. Kh2 Qa4 32. Qb8+ Be8 33. Qe5 h6 34. Qb8 Kh7 35. Qe5 Bd7 36. Qc7 Bc6 37. Qe5 Qc2 38. Qd6 Qe4 39. f3 Qe6 40. Qf4 g5 41. Qd4 Kg6 42. Qd3+ f5 43. Qa6 Qd7 44. b5 Qd6+ 45. f4 Kh5 46. Qxc6 Qxa3 47. Qe8+ 1-0

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.26"]
[Round "5"]
[White "Bertusso, Amanda"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "0-1"]
[ECO "B12"]
[BlackElo "1369"]
[PlyCount "62"]
[EventDate "2023.01.23"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Bd3 Bxd3 6. Qxd3 Nd7 7. 0-0 Ne7 8. Ng5 h6 9. Nf3 Nf5 10. Bf4 Be7 11. Nbd2 0-0 12. c3 c5 13. dxc5 Bxc5 14. b4 Bb6 15. c4 dxc4 16. Nxc4 Ne7 17. Nxb6 Nxb6 18. Qxd8 Rfxd8 19. Be3 Nbd5 20. Bc5 Nc6 21. a3 Rac8 22. Nd4 Nxe5 23. Bxa7 b6 24. Rab1 Rd7 25. Nb5 Nc6 26. Rfc1 Nxa7 27. Nxa7 Rxc1+ 28. Rxc1 Rxa7 29. Ra1 Nxb4 30. Rb1 Rxa3 31. h3 Nd5 0-1

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.24"]
[Round "2"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Dubrovich, Igor"]
[Result "0-1"]
[ECO "E21"]
[WhiteElo "1369"]
[BlackElo "1962"]
[PlyCount "60"]
[EventDate "2023.01.23"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nc3 b6 5. g3 Bb7 6. Bg2 0-0 7. 0-0 Bxc3 8. bxc3 d6 9. Bf4 Nbd7 10. Rb1 Be4 11. Rb2 Qe7 12. Re1 e5 13. Bd2 a5 14. Bc1 Rad8 15. Rd2 Ba8 16. Rb2 Ne4 17. Qb3 Kh8 18. Qc2 f5 19. Nd2 Nxd2 20. Bxd2 Bxg2 21. Kxg2 Qf7 22. Qb3 f4 23. Rf1 Qh5 24. Qb5 fxg3 25. hxg3 Qxe2 26. Bg5 Qf3+ 27. Kg1 c6 28. Qb3 Rde8 29. dxe5 Rxe5 30. Bf4 Rh5 0-1

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.24"]
[Round "3"]
[White "Ferreira, Rodrigo Maycon Mira"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "1-0"]
[ECO "A00"]
[WhiteElo "1781"]
[BlackElo "1369"]
[PlyCount "99"]
[EventDate "2023.01.23"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. g4 d5 2. Bg2 Bxg4 3. c4 c6 4. cxd5 cxd5 5. Qb3 Qc7 6. Nc3 e6 7. Qa4+ Nc6 8. Qxg4 Nf6 9. Qa4 Bc5 10. Nf3 a6 11. d4 Ba7 12. Bg5 Nd7 13. Rc1 Qb6 14. Qa3 h6 15. Be3 Nf6 16. 0-0 Ng4 17. Na4 Qd8 18. Nc5 Qe7 19. Nxa6 bxa6 20. Rxc6 Qxa3 21. bxa3 0-0 22. Rxa6 Nxe3 23. fxe3 Bxd4 24. Rxa8 Bxe3+ 25. Kh1 Rxa8 26. Ne5 f6 27. Ng4 Bc5 28. Rc1 Bxa3 29. Rc2 Rb8 30. Bf3 Rb5 31. Rc8+ Kf7 32. Ra8 Bc5 33. Kg2 Rb1 34. Nf2 f5 35. a4 g5 36. h3 Be3 37. Ra6 Kf6 38. Bxd5 Rb6 39. Bc4 Ke5 40. Ra8 Kd4 41. Bb5 h5 42. Rd8+ Ke5 43. Nd3+ Kf6 44. Rh8 h4 45. Kf3 Bd4 46. e3 Bc3 47. Rc8 Bd2 48. Ke2 Ba5 49. Nc5 Kf7 50. Nb3 1-0

[Event "Florianopolis op 9th"]
[Site "Florianopolis"]
[Date "2023.01.23"]
[Round "1"]
[White "Ccerhuayo Escobedo, Mels Leopold"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "0-1"]
[ECO "B18"]
[WhiteElo "1988"]
[BlackElo "1369"]
[PlyCount "70"]
[EventDate "2023.01.23"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 e6 7. h4 Nf6 8. h5 Be4 9. Nxe4 Nxe4 10. Bd3 Nf6 11. Qe2 h6 12. Bd2 Qb6 13. 0-0 Bd6 14. c4 Qc7 15. Ne5 Nbd7 16. Rae1 0-0 17. c5 Be7 18. Bf4 Qd8 19. Ng6 Re8 20. Ne5 Nxe5 21. Bxe5 Qd5 22. Bc4 Qd7 23. f4 Nd5 24. Qg4 f6 25. Bd3 fxe5 26. fxe5 Nb4 27. Bb1 Rad8 28. Qg6 Qxd4+ 29. Rf2 Nd3 30. Bxd3 Qxd3 31. Qf7+ Kh8 32. Rf3 Bxc5+ 33. Kh2 Qd2 34. Rg3 Re7 35. Qf1 Bf2 0-1

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2022.06.19"]
[Round "7"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Gomes, Carlos"]
[Result "1-0"]
[ECO "D03"]
[WhiteElo "1387"]
[BlackElo "1571"]
[PlyCount "85"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 h6 3. Bxf6 exf6 4. Nf3 d5 5. e3 c6 6. Bd3 Be6 7. Ng1 Bd6 8. Ne2 Nd7 9. 0-0 Qc7 10. h3 f5 11. Nd2 Nf6 12. c4 0-0 13. c5 Be7 14. Nf4 g6 15. Nf3 Nd7 16. Nd2 Bg5 17. Ne2 Kh7 18. Nf3 Be7 19. Qc2 Kg7 20. b4 b6 21. Rfc1 b5 22. a4 a6 23. Ra2 Rab8 24. axb5 axb5 25. Rca1 Rfc8 26. Ra7 Qd8 27. Qa2 Rc7 28. Rxc7 Qxc7 29. Qa7 Qxa7 30. Rxa7 Rc8 31. Nf4 Kf6 32. Ne5 Nb8 33. Ra8 h5 34. Nxe6 fxe6 35. Nxc6 Rxc6 36. Rxb8 Ra6 37. Bxb5 Ra1+ 38. Kh2 Rb1 39. Bd7 e5 40. Rb6+ Kg5 41. dxe5 f4 42. h4+ Kxh4 43. Rxg6 1-0

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2022.06.18"]
[Round "5"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Salotti, Thiago Maida"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "1387"]
[BlackElo "1802"]
[PlyCount "65"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 d6 2. c4 Nf6 3. Bg5 Nbd7 4. Nc3 g6 5. Nf3 Bg7 6. e3 0-0 7. Be2 c5 8. 0-0 cxd4 9. Nxd4 Re8 10. Bf3 Ne5 11. Bxf6 Bxf6 12. Nd5 a6 13. Nxf6+ exf6 14. Bd5 Rb8 15. b3 f5 16. Nf3 Ng4 17. Qd2 b5 18. cxb5 axb5 19. Bc6 Re6 20. Nd4 Re5 21. Bf3 f4 22. Nc6 Qh4 23. Bxg4 Bxg4 24. Qxd6 Rbe8 25. Nxe5 Be2 26. Rfe1 f3 27. Nxf3 Bxf3 28. gxf3 f6 29. Qd5+ Kf8 30. Rec1 Qh3 31. Rc7 Re7 32. Qd8+ Re8 33. Qxf6+ 1-0

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2022.06.18"]
[Round "6"]
[White "Roeder, Inacio Clacier"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "0-1"]
[ECO "B10"]
[WhiteElo "1738"]
[BlackElo "1387"]
[PlyCount "124"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c6 2. c4 d5 3. cxd5 cxd5 4. exd5 Qxd5 5. Nc3 Qd8 6. d4 Nf6 7. Nf3 Bg4 8. Bc4 Nbd7 9. 0-0 e6 10. a3 Be7 11. Qd3 0-0 12. Re1 Nb6 13. Bb3 Qd7 14. Ne5 Qd6 15. Bc2 Bf5 16. Qd2 Bxc2 17. Qxc2 Qxd4 18. Bg5 h6 19. Rad1 Qc5 20. Bxf6 Bxf6 21. Qe4 Bxe5 22. Qxe5 Qxe5 23. Rxe5 Rad8 24. b3 Rxd1+ 25. Nxd1 Rd8 26. Ne3 a6 27. f4 Rd3 28. Nc4 Nxc4 29. bxc4 Rc3 30. Rc5 Rb3 31. Rc8+ Kh7 32. c5 b6 33. Rb8 b5 34. c6 Rc3 35. Rb6 a5 36. Rxb5 Rxc6 37. Rxa5 Rc4 38. g3 Kg6 39. Kg2 h5 40. Kh3 f5 41. Kh4 Rc2 42. h3 Rh2 43. Re5 Kf6 44. Ra5 g6 45. Rb5 Rd2 46. g4 hxg4 47. hxg4 Rd8 48. g5+ Ke7 49. Kg3 Rd5 50. Rb7+ Rd7 51. Rb5 Rc7 52. Kf3 Kd6 53. Rb6+ Kd5 54. Ke3 Rc3+ 55. Kf2 Rc6 56. Rb4 Rc4 57. Rxc4 Kxc4 58. Ke3 Kc3 59. Ke2 Kd4 60. Kf3 Kd3 61. Kf2 Ke4 62. Kg3 Ke3 0-1

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2022.06.17"]
[Round "3"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Bookobza, Tomer Lederman"]
[Result "0-1"]
[ECO "A31"]
[WhiteElo "1387"]
[BlackElo "1800"]
[PlyCount "98"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 Nc6 5. Nf3 g6 6. Nc3 Bg7 7. Bf4 0-0 8. e3 Qa5 9. Qa4 Qxa4 10. Nxa4 Nb4 11. Kd2 Ne4+ 12. Kc1 Nxf2 13. Rg1 d6 14. a3 Nbd3+ 15. Bxd3 Nxd3+ 16. Kc2 Nxf4 17. exf4 Be6 18. Rae1 Rac8 19. b3 b5 20. Nb2 Bxb2 21. Kxb2 bxc4 22. Ng5 cxb3 23. Nxe6 fxe6 24. Rxe6 Rc7 25. g3 Rb8 26. Rge1 Kf7 27. R6e2 d5 28. Re5 Rd7 29. R1e3 e6 30. Rxe6 d4 31. Re1 d3 32. R6e3 Rc8 33. Kxb3 Rb7+ 34. Ka4 Rc4+ 35. Ka5 Rc3 36. Ra1 Rb2 37. Ka4 Rc4+ 38. Ka5 d2 39. Rd3 Rc5+ 40. Ka4 Rc6 41. Ka5 Rc1 42. Rxd2 Rc5+ 43. Ka6 Rxd2 44. Kxa7 Rc6 45. Kb7 Re6 46. a4 Rd7+ 47. Kc8 Ree7 48. a5 Ke8 49. a6 Rd8# 0-1

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2022.06.17"]
[Round "4"]
[White "Roncolatto, Joao Pedro Brentani"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "0-1"]
[ECO "A11"]
[WhiteElo "1800"]
[BlackElo "1387"]
[PlyCount "104"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. c4 c6 2. Nf3 d5 3. e3 Nf6 4. Nc3 Bf5 5. Qb3 Bc8 6. Be2 dxc4 7. Bxc4 e6 8. d4 Nbd7 9. e4 Qa5 10. Bd2 Bb4 11. e5 Nd5 12. Ne4 Bxd2+ 13. Nfxd2 0-0 14. 0-0 N7b6 15. Bd3 Nf4 16. Nc4 Qd5 17. Nxb6 axb6 18. Qc3 Ra4 19. g3 Nxd3 20. Qxd3 Rxd4 21. Nf6+ gxf6 22. Qe3 Qxe5 23. Qh6 Qg5 24. Qh3 e5 25. Qg2 Qh5 26. h4 Be6 27. Rfe1 Bd5 28. Qh3 Qg4 29. Qh2 Rd2 30. b3 Qf3 31. Re3 Rd1+ 32. Re1 Rxa1 33. Rxa1 Rd8 34. Qh3 Be6 35. Qf1 Bg4 36. Re1 Rd1 37. Kh2 Rxe1 38. Qxe1 Qe2 39. Qxe2 Bxe2 40. Kg2 Bd3 41. Kf3 Bb1 42. a3 Ba2 43. b4 c5 44. Ke3 Kf8 45. Kd3 Ke7 46. bxc5 bxc5 47. Kc3 Kd6 48. Kb2 Be6 49. Kc3 Kd5 50. Kd3 c4+ 51. Kc3 Ke4 52. Kd2 Kf3 0-1

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2022.06.16"]
[Round "1"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Camargo, Benjamin Santinello"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1387"]
[BlackElo "1789"]
[PlyCount "102"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. Bg5 Nbd7 6. e3 0-0 7. Be2 Re8 8. 0-0 e5 9. Rc1 b6 10. b3 a5 11. h3 Bb7 12. d5 h6 13. Bh4 g5 14. Bg3 Nc5 15. Nd2 Bc8 16. Qc2 Bd7 17. Qd1 Bf5 18. Bf3 Nd3 19. Nce4 Nxe4 20. Nxe4 Nxc1 21. Qxc1 Bg6 22. Kh2 f5 23. Nd2 f4 24. Rh1 fxg3+ 25. Kxg3 e4 26. Bg4 h5 27. Be6+ Rxe6 28. dxe6 Be5+ 29. f4 gxf4+ 30. exf4 Qg5+ 31. Kf2 Bd4+ 32. Ke1 Qxf4 33. Ke2 Qe3+ 34. Kd1 Bc3 35. Re1 Qxd2+ 36. Qxd2 Bxd2 37. Kxd2 Re8 38. Kc3 Rxe6 39. Kd4 Re5 40. Re3 Rb5 41. g3 Kf7 42. h4 Re5 43. Kc3 Ke7 44. Kd4 Kd7 45. Kc3 Kc6 46. Kd4 b5 47. Rc3 b4 48. Re3 Re6 49. Re1 Rf6 50. Re2 Rf3 51. Rg2 Rd3# 0-1

[Event "BRA-ch Amateur U1600"]
[Site "Sao Paulo"]
[Date "2022.06.16"]
[Round "2"]
[White "De Almeida, Adrian Elias"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1800"]
[BlackElo "1387"]
[PlyCount "122"]
[EventDate "2022.06.16"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Be2 Nd7 6. 0-0 c5 7. c3 cxd4 8. cxd4 Bb4 9. a3 Ba5 10. b4 Bb6 11. Nc3 Ne7 12. Nb5 0-0 13. Nd6 Rb8 14. Be3 Bg6 15. Bd3 Bxd3 16. Qxd3 h6 17. Qd2 Nc8 18. Nxc8 Rxc8 19. Rac1 Qe7 20. a4 a6 21. a5 Ba7 22. Rc3 Nb8 23. Rfc1 Rxc3 24. Qxc3 Nc6 25. b5 axb5 26. Rb1 b4 27. Qb2 Nxa5 28. Bd2 Qc7 29. Bxb4 Nc4 30. Qa2 Ra8 31. Rc1 Qb8 32. Qc2 b5 33. Qc3 Bb6 34. Nd2 Qa7 35. Nb3 Qb7 36. Nc5 Bxc5 37. Bxc5 Ra4 38. Rb1 Qa6 39. Qb3 Ra1 40. Bb4 Qa4 41. Qd3 Rxb1+ 42. Qxb1 Na3 43. Bxa3 Qxa3 44. Qxb5 Qa1+ 45. Qf1 Qxd4 46. Qe1 Qc4 47. f3 d4 48. Qd1 Qc3 49. Kf1 d3 50. f4 Qc2 51. Ke1 Qxg2 52. Qxd3 Qxh2 53. Qd8+ Kh7 54. Qd3+ g6 55. Qf3 h5 56. Kf1 Qh4 57. Kg2 Kh6 58. Qe3 Qg4+ 59. Kf2 Qf5 60. Qg3 f6 61. exf6 Qxf6 0-1

[Event "Florianopolis Autumn op U1800"]
[Site "Florianopolis"]
[Date "2022.05.15"]
[Round "6"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Gomes, Maria Eduarda Papin"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1381"]
[BlackElo "1618"]
[PlyCount "114"]
[EventDate "2022.05.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 d6 5. Bg5 0-0 6. e3 h6 7. Bf4 Nbd7 8. Be2 Nh5 9. Bg3 e5 10. 0-0 Kh7 11. Qc2 f5 12. dxe5 dxe5 13. Rad1 Qe7 14. Nb5 c6 15. Nc3 Qf7 16. Nd2 Nxg3 17. hxg3 e4 18. g4 Ne5 19. gxf5 gxf5 20. Rfe1 Be6 21. b3 Rg8 22. Nf1 Bf6 23. Ng3 Bh4 24. Ncxe4 fxe4 25. Qxe4+ Ng6 26. Rd6 Raf8 27. Rf1 Bf5 28. Qd4 Bxg3 29. fxg3 Qg7 30. Qxa7 Nh4 31. g4 Qe5 32. Qd4 Qg3 33. Bf3 Rxg4 34. Rd7+ Bxd7 35. Qxd7+ Kh8 36. Qxg4 Nxf3+ 37. Rxf3 Qxg4 38. Rxf8+ Kg7 39. Rb8 Qd7 40. Kf2 Qd2+ 41. Kf3 Qxa2 42. Rxb7+ Kg6 43. Rb6 Kf5 44. Rxc6 Qa8 45. e4+ Ke5 46. Rc5+ Kd4 47. Rd5+ Kc3 48. Rb5 Qf8+ 49. Kg3 Qg7+ 50. Kh3 Qg6 51. e5 h5 52. Kh2 h4 53. Kh1 Kd4 54. Rd5+ Ke3 55. Rd6 Qg5 56. e6 Kf2 57. g4 hxg3 0-1

[Event "Florianopolis Autumn op U1800"]
[Site "Florianopolis"]
[Date "2022.05.15"]
[Round "5"]
[White "Da Cunha, Gastao"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1637"]
[BlackElo "1381"]
[PlyCount "107"]
[EventDate "2022.05.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c6 2. f4 d5 3. e5 Bf5 4. Nf3 e6 5. d4 c5 6. c3 Nc6 7. Bd3 Bxd3 8. Qxd3 cxd4 9. cxd4 Bb4+ 10. Nc3 Nge7 11. a3 Ba5 12. 0-0 h6 13. Ne2 0-0 14. b4 Bb6 15. Bb2 Nf5 16. Kh1 a5 17. b5 Na7 18. a4 Rc8 19. Rac1 Qd7 20. g4 Ne7 21. Ng3 Rxc1 22. Rxc1 Rc8 23. Rxc8+ Qxc8 24. Nd2 Qd7 25. Nb3 Nac8 26. Qc3 Qd8 27. Bc1 Ba7 28. Bd2 b6 29. Kg2 Bb8 30. h4 Qc7 31. Qxc7 Bxc7 32. Kf3 Kf8 33. Nc1 g6 34. h5 Kg7 35. Nd3 Kh8 36. Nf2 Kg7 37. Nd1 Kh7 38. Ne3 Kg7 39. f5 g5 40. f6+ Kf8 41. fxe7+ Kxe7 42. Ne2 Kf8 43. Nc3 Ne7 44. Bc1 Kg7 45. Ba3 Bd8 46. Bxe7 Bxe7 47. Ncxd5 exd5 48. Nxd5 Bd8 49. Ke4 Kf8 50. Kf5 Ke8 51. Nf6+ Kf8 52. d5 Kg7 53. Ne4 Kf8 54. e6 1-0

[Event "Florianopolis Autumn op U1800"]
[Site "Florianopolis"]
[Date "2022.05.14"]
[Round "4"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Brand, Leticia Soethe"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1381"]
[BlackElo "1642"]
[PlyCount "64"]
[EventDate "2022.05.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. Bg5 d6 6. e3 c5 7. Be2 h6 8. Bh4 Qa5 9. 0-0 g5 10. Bg3 Nh5 11. Qc2 Nxg3 12. hxg3 g4 13. Nh2 cxd4 14. exd4 Bxd4 15. Nd5 Qd8 16. Nxg4 Bxg4 17. Bxg4 e6 18. Nc3 Nc6 19. Rad1 Qg5 20. Bf3 e5 21. Ne2 Bc5 22. Bxc6 bxc6 23. Qa4 Qg4 24. Rfe1 Rab8 25. b3 Bb4 26. f3 Qh5 27. Rf1 Bc5+ 28. Rf2 Qf5 29. Kf1 Qc2 30. Rc1 Qd2 31. Qxc6 Qe3 32. Nd4 Qxc1+ 0-1

[Event "Florianopolis Autumn op U1800"]
[Site "Florianopolis"]
[Date "2022.05.14"]
[Round "2"]
[White "Favaretto, Felipe Della Preve"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "1800"]
[BlackElo "1381"]
[PlyCount "102"]
[EventDate "2022.05.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. c4 c6 2. Nc3 d5 3. cxd5 cxd5 4. Nf3 Nc6 5. d4 Nf6 6. g3 Bf5 7. Bg2 e6 8. a3 Bd6 9. 0-0 0-0 10. Nh4 Bg4 11. Nf3 Rc8 12. Nb5 Be7 13. Nc3 a6 14. Bf4 Qb6 15. b4 Bxf3 16. Bxf3 Nxd4 17. Na4 Nxf3+ 18. exf3 Qd8 19. Rc1 b5 20. Nc3 h6 21. Ne2 Rxc1 22. Qxc1 Qd7 23. Qe3 Rc8 24. Rc1 Rxc1+ 25. Nxc1 Bd6 26. Nd3 Bxf4 27. Qxf4 Qc6 28. Qb8+ Kh7 29. Nc5 Nd7 30. Qb7 Qxb7 31. Nxb7 Kg8 32. Kf1 Kf8 33. Ke2 Ke7 34. Ke3 Nb8 35. Nc5 Kd6 36. f4 Kc6 37. Kd4 Kd6 38. h4 Kc6 39. h5 Kb6 40. Ke5 Kc6 41. g4 Nd7+ 42. Nxd7 Kxd7 43. g5 Ke7 44. Kd4 Kd6 45. f3 f6 46. g6 e5+ 47. fxe5+ fxe5+ 48. Ke3 Ke6 49. f4 exf4+ 50. Kxf4 Kf6 51. Ke3 Ke5 0-1

[Event "Florianopolis Autumn op U1800"]
[Site "Florianopolis"]
[Date "2022.05.14"]
[Round "3"]
[White "Santos, Renan de Souza"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "0-1"]
[ECO "B13"]
[WhiteElo "1639"]
[BlackElo "1381"]
[PlyCount "68"]
[EventDate "2022.05.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 Nc6 6. Nf3 Bg4 7. Be3 e6 8. h3 Bh5 9. cxd5 Nxd5 10. Bd3 Bb4 11. Rc1 0-0 12. g4 Bg6 13. h4 Bxd3 14. Qxd3 Qf6 15. Ke2 Nf4+ 16. Bxf4 Qxf4 17. Rcg1 Bxc3 18. bxc3 e5 19. Ng5 g6 20. Nh3 Qf6 21. d5 e4 22. Qd2 Ne5 23. Rg3 Nf3 24. Qe3 Rac8 25. Rc1 Rfd8 26. g5 Qa6+ 27. c4 Qxa2+ 28. Kf1 Rxc4 29. Rxc4 Qxc4+ 30. Kg2 Nxh4+ 31. Kh2 Nf5 32. Qxa7 Nxg3 33. Kxg3 Qxd5 34. Qb6 Qd6+ 0-1

[Event "Florianopolis Autumn op U1800"]
[Site "Florianopolis"]
[Date "2022.05.13"]
[Round "1"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Ferreira, Angelo Augusto Pach"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "1381"]
[BlackElo "1746"]
[PlyCount "88"]
[EventDate "2022.05.13"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 208 Extra"]
[Source "ChessBase"]
[SourceDate "2022.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nc6 5. Nf3 Nf6 6. Bf4 e6 7. e3 a6 8. Bd3 Be7 9. 0-0 0-0 10. h3 b5 11. Rc1 Qb6 12. a4 b4 13. Na2 Bd7 14. Ne5 Rfc8 15. Bg5 Be8 16. Nxc6 Bxc6 17. b3 Bb7 18. Qd2 Ne4 19. Bxe4 Bxg5 20. Bd3 a5 21. Qe2 Bf6 22. Bb5 Qd6 23. Rxc8+ Rxc8 24. Rc1 Rxc1+ 25. Nxc1 e5 26. dxe5 Qxe5 27. Nd3 Qc3 28. Qd1 d4 29. exd4 Bd5 30. Qe2 g6 31. Qb2 Bxd4 32. Qxc3 Bxc3 33. Bc4 Bxc4 34. bxc4 b3 35. c5 b2 36. Nxb2 Bxb2 37. Kf1 Kf8 38. Ke2 Bd4 39. c6 Ke7 40. f3 Kd6 41. Kd3 Bg7 42. Kc4 Kxc6 43. g3 g5 44. g4 h6 0-1

[Event "Rio Negrinho Froebel Cup"]
[Site "Rio Negrinho"]
[Date "2022.04.10"]
[Round "6"]
[White "Soares, Suyane"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1119"]
[BlackElo "1393"]
[PlyCount "100"]
[EventDate "2022.04.08"]
[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 c6 3. Nc3 Nf6 4. Bf4 Qb6 5. Rb1 Bf5 6. c5 Qd8 7. Rc1 e6 8. Nf3 Be7 9. e3 0-0 10. Nh4 Bg4 11. f3 Bh5 12. g4 Bg6 13. Nxg6 hxg6 14. Bd3 Nh7 15. Qe2 b6 16. cxb6 axb6 17. a3 c5 18. Bg3 Bh4 19. Qf2 g5 20. f4 cxd4 21. exd4 Nc6 22. Ne2 Ne7 23. Bxh4 gxh4 24. Qxh4 Ng6 25. Qh3 Qh4+ 26. Qxh4 Nxh4 27. Kf2 Ng6 28. h4 Ne7 29. Rc7 Nc8 30. g5 Nd6 31. Rc6 Nc8 32. h5 Rb8 33. Rc7 b5 34. Rhc1 Nd6 35. Rd7 Nc4 36. Rc2 Rfc8 37. Ra7 Nf8 38. Ng3 b4 39. a4 b3 40. Re2 Ra8 41. Rb7 Rcb8 42. Rc7 Rxa4 43. Nf1 Rab4 44. f5 exf5 45. Bxf5 Nd6 46. Ne3 Rxd4 47. Kf3 Nxf5 48. Nxf5 Rd3+ 49. Kf2 Ne6 50. g6 Nxc7 0-1

[Event "Rio Negrinho Froebel Cup"]
[Site "Rio Negrinho"]
[Date "2022.04.09"]
[Round "4"]
[White "Blaskosky, Vinicius"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "1240"]
[BlackElo "1393"]
[PlyCount "113"]
[EventDate "2022.04.08"]
[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 c6 3. Nc3 Nf6 4. Nf3 Bf5 5. Bf4 e6 6. Qb3 Qc8 7. e3 Nbd7 8. cxd5 cxd5 9. Nb5 Bc2 10. Nc7+ Qxc7 11. Bxc7 Bxb3 12. axb3 Bb4+ 13. Nd2 0-0 14. Bd3 Rfc8 15. Ba5 Bxa5 16. Rxa5 Nb8 17. 0-0 Nc6 18. Ra4 Nd7 19. Rc1 Nb6 20. Raa1 a6 21. Nf3 Nb4 22. Be2 Rxc1+ 23. Rxc1 Rc8 24. Rxc8+ Nxc8 25. Ne5 Na2 26. Kf1 Nc1 27. Bd1 f6 28. Bg4 f5 29. Bd1 Ne7 30. Bc2 Nc6 31. Nxc6 bxc6 32. Ke1 Na2 33. Kd2 Nb4 34. Bd1 g6 35. Be2 a5 36. h3 Kf7 37. Bd3 Kf6 38. Be2 Kg5 39. g3 Kf6 40. Bf1 e5 41. dxe5+ Kxe5 42. f4+ Kd6 43. Be2 Kc5 44. Kc3 Na2+ 45. Kc2 d4 46. Bc4 dxe3 47. Kd3 e2 48. Kxe2 a4 49. Kd2 Kb4 50. Bg8 axb3 51. Bxh7 Nc3 52. bxc3+ Ka3 53. Bg8 Ka4 54. g4 b2 55. Kc2 fxg4 56. hxg4 Kb5 57. Bf7 1-0

[Event "Rio Negrinho Froebel Cup"]
[Site "Rio Negrinho"]
[Date "2022.04.09"]
[Round "3"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Boabaid, Jorge Alberto Duard"]
[Result "0-1"]
[ECO "D38"]
[WhiteElo "1393"]
[BlackElo "1750"]
[PlyCount "140"]
[EventDate "2022.04.08"]
[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 Nf6 2. c4 e6 3. Nc3 d5 4. Nf3 Bb4 5. Bd2 0-0 6. a3 Be7 7. e3 b6 8. Be2 Bb7 9. 0-0 c5 10. cxd5 exd5 11. h3 Nc6 12. dxc5 bxc5 13. Bb5 Qc7 14. Rc1 Rad8 15. Qc2 a6 16. Bxc6 Bxc6 17. Na4 Ne4 18. Rfd1 Qb7 19. Nc3 d4 20. exd4 cxd4 21. Nxe4 Bxe4 22. Qc7 Bf6 23. Qxb7 Bxb7 24. Bb4 Rfe8 25. Re1 Re6 26. Nd2 Rde8 27. Rxe6 fxe6 28. Nb3 Bd5 29. Nc5 Rc8 30. Bd2 Rc6 31. Nd3 Kf7 32. Rxc6 Bxc6 33. Nc5 Bb5 34. a4 Be2 35. f3 Bh4 36. Bf4 Be1 37. Nb3 d3 38. Bd2 Bg3 39. Nc5 Be5 40. b4 a5 41. Nd7 Bd4+ 42. Kh2 axb4 43. Bxb4 Be3 44. Ne5+ Ke8 45. Nc4 Bd4 46. Nd2 Kd7 47. Kg3 Kc6 48. Kf4 Kd5 49. g4 e5+ 50. Kg3 Kc6 51. f4 Bd1 52. a5 Kb5 53. Bf8 Bc3 54. Ne4 Be1+ 55. Kg2 exf4 56. Bxg7 f3+ 57. Kf1 Bxa5 58. Nc3+ Bxc3 59. Bxc3 Kc4 60. Bd2 Kb3 61. Ke1 Kc2 62. Be3 Be2 63. g5 Kc3 64. Kf2 d2 65. Bxd2+ Kxd2 66. h4 Kd3 67. h5 Ke4 68. g6 h6 69. g7 Bc4 70. Kg3 Ke3 0-1

[Event "Rio Negrinho Froebel Cup"]
[Site "Rio Negrinho"]
[Date "2022.04.09"]
[Round "5"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Maia, Renata Rodrigues Al"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "1393"]
[BlackElo "1135"]
[PlyCount "83"]
[EventDate "2022.04.08"]
[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 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Nf3 Qb6 6. a3 Bf5 7. b4 e6 8. Bf4 Be7 9. e3 0-0 10. Be2 Rc8 11. Rc1 Nbd7 12. 0-0 Qd8 13. h3 Nb6 14. Ne5 Nfd7 15. Qb3 a6 16. Na4 Nxa4 17. Qxa4 Nxe5 18. Bxe5 b5 19. Rxc8 Qxc8 20. Qd1 Qc3 21. Qa1 Rc8 22. Bf4 Qxa1 23. Rxa1 Rc3 24. a4 h6 25. axb5 axb5 26. Ra8+ Kh7 27. Bxb5 Bxb4 28. Ra7 Rc1+ 29. Kh2 Bg6 30. Be8 Kg8 31. Ra8 Kh7 32. Rb8 Be1 33. Rb2 Kg8 34. Bb5 Bc3 35. Ra2 Ra1 36. Rxa1 Bxa1 37. Bf1 Kf8 38. Bd6+ Ke8 39. Bb5+ Kd8 40. Bf8 h5 41. Bxg7 Ke7 42. Be2 1-0

[Event "Rio Negrinho Froebel Cup"]
[Site "Rio Negrinho"]
[Date "2022.04.08"]
[Round "1"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Nemeth Junior, Henrique"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "1393"]
[BlackElo "2096"]
[PlyCount "80"]
[EventDate "2022.04.08"]
[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 Nf6 2. c4 e6 3. Nc3 c5 4. e3 cxd4 5. exd4 Be7 6. Nf3 d5 7. b3 0-0 8. Be2 b6 9. 0-0 Bb7 10. Bf4 Nc6 11. Bg5 Ne4 12. Bxe7 Qxe7 13. Qc2 Nxc3 14. Qxc3 dxc4 15. bxc4 Rac8 16. Rac1 Rfd8 17. Rfd1 Na5 18. c5 Bd5 19. a3 Nb7 20. Ba6 bxc5 21. Bxb7 Bxb7 22. dxc5 Rxd1+ 23. Rxd1 Rxc5 24. Qb4 Rd5 25. Rxd5 Qxb4 26. axb4 Bxd5 27. Nd4 Kf8 28. Nb5 a6 29. Nc3 Bc6 30. g3 Ke7 31. Kf1 g5 32. Ke2 Kd6 33. Nd1 f5 34. Nc3 Ke5 35. Ke3 f4+ 36. gxf4+ gxf4+ 37. Kd3 Bb5+ 38. Kd2 Kd4 39. Kc2 e5 40. f3 Bc6 0-1

[Event "Rio Negrinho Froebel Cup"]
[Site "Rio Negrinho"]
[Date "2022.04.08"]
[Round "2"]
[White "Da Silva, Miguel Michels"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1119"]
[BlackElo "1393"]
[PlyCount "118"]
[EventDate "2022.04.08"]
[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 c6 3. Nc3 Nf6 4. Nf3 Bf5 5. Bf4 e6 6. e3 Be7 7. cxd5 exd5 8. Bd3 Bxd3 9. Qxd3 0-0 10. 0-0 Nbd7 11. Rac1 Re8 12. a3 h6 13. Rfd1 Nb6 14. Ne5 Bd6 15. Rc2 Bxe5 16. Bxe5 Nc4 17. Bg3 Nd6 18. f3 Nc4 19. e4 Qb6 20. Rb1 Qd8 21. exd5 cxd5 22. Nxd5 Qxd5 23. Qxc4 Qf5 24. Qb3 Rad8 25. Rbc1 Rc8 26. Rxc8 Rxc8 27. Rxc8+ Qxc8 28. Kf2 a6 29. Qc3 Qxc3 30. bxc3 Nd5 31. c4 Nb6 32. c5 Nc4 33. a4 Nb2 34. a5 Kf8 35. Bc7 Ke8 36. Ke3 Kd7 37. Bb6 Ke6 38. g4 Kd5 39. Kf4 Nc4 40. h4 Na3 41. Kf5 Nb5 42. Kf4 Nxd4 43. Ke3 Nb3 44. f4 Nxc5 45. Bxc5 Kxc5 46. Ke4 b5 47. Kd3 b4 48. Kc2 Kb5 49. Kb2 Kxa5 50. Kb3 Kb5 51. Kb2 a5 52. g5 h5 53. f5 a4 54. Ka2 Kc4 55. Kb2 a3+ 56. Kc2 b3+ 57. Kb1 b2 58. Ka2 Kc3 59. Kb1 Kb3 0-1

[Event "Timbo op 2nd"]
[Site "Timbo"]
[Date "2022.02.20"]
[Round "7"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Esteche, Caina Rinaldi"]
[Result "0-1"]
[ECO "A31"]
[WhiteElo "1351"]
[BlackElo "1735"]
[PlyCount "90"]
[EventDate "2022.02.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. Nf3 cxd4 4. Nxd4 e5 5. Nf3 Nc6 6. Bg5 Be7 7. Nc3 0-0 8. e3 d6 9. Be2 Ne8 10. Bxe7 Nxe7 11. 0-0 f5 12. Nxe5 Be6 13. Nf3 Nf6 14. Nd4 Bf7 15. b3 Qa5 16. Qc1 d5 17. Ncb5 Rfd8 18. Qa3 Qxa3 19. Nxa3 Ne4 20. Nf3 Rac8 21. Rac1 a6 22. cxd5 Nxd5 23. Rxc8 Rxc8 24. Nd4 Ndc3 25. Bd3 Nxa2 26. Nxf5 Re8 27. Bxe4 Rxe4 28. Rd1 Bxb3 29. Rd8+ Kf7 30. Nd6+ Ke7 31. Re8+ Kxd6 32. Rxe4 b5 33. Rg4 Kc5 34. Rxg7 Kb4 35. Nb1 Bc2 36. Rg4+ Kb3 37. Nd2+ Kc3 38. Rd4 b4 39. Kf1 a5 40. Ke2 a4 41. Rc4+ Kb2 42. Rd4 a3 43. Rd7 Nc3+ 44. Ke1 a2 45. Ra7 Na4 0-1

[Event "Timbo op 2nd"]
[Site "Timbo"]
[Date "2022.02.19"]
[Round "5"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Bail, Ellen Larissa"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "1351"]
[BlackElo "1864"]
[PlyCount "146"]
[EventDate "2022.02.17"]
[EventType "swiss"]
[EventRounds "7"]
[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 Be7 4. Nf3 Nf6 5. Bf4 c6 6. e3 0-0 7. Be2 dxc4 8. Bxc4 b5 9. Bd3 a6 10. 0-0 Nbd7 11. Ne4 c5 12. Nxf6+ Nxf6 13. dxc5 Bxc5 14. Rc1 Bb6 15. Bg5 Bb7 16. Qc2 h6 17. Bh4 Rc8 18. Qb1 Qd5 19. Rfd1 Rxc1 20. Rxc1 Ng4 21. Rd1 Qc6 22. Qc2 g5 23. Bg3 Rd8 24. Qxc6 Bxc6 25. h3 Nf6 26. Be5 Nd5 27. Bd4 Ba5 28. a3 Rc8 29. Rc1 Bb7 30. Rxc8+ Bxc8 31. b4 Bc7 32. Ne5 f6 33. Nf3 Kf7 34. Nd2 e5 35. Ba1 Be6 36. Ne4 Bb6 37. Nd6+ Kf8 38. Nf5 h5 39. Ng3 h4 40. Ne4 Ke7 41. Kf1 Nc7 42. Kg1 Bd7 43. Nc3 f5 44. Bc2 Be6 45. a4 e4 46. axb5 axb5 47. Ne2 Nd5 48. Bb3 Nxb4 49. Bxe6 Kxe6 50. Bd4 Ba5 51. Nc3 Nd3 52. Nxb5 Be1 53. f3 exf3 54. gxf3 Bg3 55. Kf1 Nf2 56. Kg2 Nd3 57. Kf1 g4 58. fxg4 fxg4 59. hxg4 h3 60. e4 Nf4 61. Kg1 Ng6 62. Nc3 Nh4 63. Ne2 Nf3+ 64. Kh1 Bc7 65. Bf2 Nd2 66. Bg3 Bd8 67. Nf4+ Kf7 68. e5 Ne4 69. Nxh3 Nxg3+ 70. Kg2 Ne4 71. Kf3 Nc5 72. Ke3 Ne6 73. Ke4 Ng5+ 1/2-1/2

[Event "Timbo op 2nd"]
[Site "Timbo"]
[Date "2022.02.18"]
[Round "3"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Ribeiro, Regina"]
[Result "0-1"]
[ECO "A53"]
[WhiteElo "1351"]
[BlackElo "1908"]
[PlyCount "60"]
[EventDate "2022.02.17"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "BRA"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 e5 4. dxe5 dxe5 5. Qxd8+ Kxd8 6. Bg5 c6 7. Nf3 Nbd7 8. e3 Bb4 9. Rc1 Kc7 10. a3 Bxc3+ 11. Rxc3 Ne4 12. Rd3 f6 13. Bh4 g5 14. Bg3 Nxg3 15. hxg3 e4 16. Rxd7+ Bxd7 17. Nd2 Bf5 18. Nb3 h5 19. Be2 h4 20. gxh4 Rxh4 21. Rxh4 gxh4 22. Nd4 Bd7 23. Bh5 Rg8 24. Kf1 h3 25. gxh3 Bxh3+ 26. Ke1 Rg1+ 27. Kd2 a6 28. Ne2 Rf1 29. Ng3 Rxf2+ 30. Kc3 Rf5 0-1

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.29"]
[Round "9"]
[White "Hubner, Jessica Trindade"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "1752"]
[BlackElo "1351"]
[PlyCount "91"]
[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. e4 c6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 e6 7. Ne5 Bd6 8. Nxg6 hxg6 9. c3 Bxg3 10. fxg3 Nf6 11. Qf3 Nbd7 12. Be3 0-0 13. 0-0-0 Nd5 14. Bd2 Qf6 15. h4 Rac8 16. g4 c5 17. dxc5 Nxc5 18. h5 gxh5 19. gxh5 Qxf3 20. gxf3 a6 21. h6 g6 22. c4 Nd7 23. Kb1 N5f6 24. Bc3 Kh7 25. Bd3 Rfd8 26. b3 Nc5 27. Bc2 Rxd1+ 28. Rxd1 Ng8 29. b4 Na4 30. Bxa4 Rxc4 31. Kb2 Rf4 32. Rf1 Ne7 33. Bd2 Rf5 34. Bc2 Rd5 35. Rf2 Rh5 36. Be4 Rb5 37. a4 Rb6 38. Kc3 f5 39. Be3 Rd6 40. Bxb7 Rd7 41. Ba8 Rd8 42. Bc5 Nd5+ 43. Bxd5 Rxd5 44. Rd2 Rxd2 45. Kxd2 Kxh6 46. b5 1-0

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.28"]
[Round "7"]
[White "De Quadros, Cristian Ribeiro"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "1/2-1/2"]
[ECO "D10"]
[BlackElo "1351"]
[PlyCount "137"]
[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 c6 2. Nf3 d5 3. cxd5 cxd5 4. d4 Nc6 5. g3 Bf5 6. Bg2 e6 7. Nc3 Bb4 8. 0-0 Nf6 9. Nh4 Bg6 10. Nxg6 hxg6 11. e3 Bxc3 12. bxc3 0-0 13. Ba3 Re8 14. c4 dxc4 15. Qe2 Rc8 16. Qxc4 Na5 17. Qe2 Nd5 18. Rac1 Nc6 19. Qb5 Qa5 20. Qxa5 Nxa5 21. Rxc8 Rxc8 22. Rc1 Rxc1+ 23. Bxc1 Ne7 24. e4 Nc4 25. Bf4 b6 26. d5 exd5 27. exd5 Nc8 28. Kf1 Kf8 29. Ke2 Ke8 30. Kd3 Nb2+ 31. Kd4 Nd1 32. Bh3 Kd8 33. f3 Nb2 34. d6 f6 35. Be6 g5 36. d7 Ne7 37. Bd6 Na4 38. Bxe7+ Kxe7 39. Kd5 Nc5 40. Bf5 Nxd7 41. Kc6 Ne5+ 42. Kb7 Nxf3 43. Kxa7 b5 44. h3 Nd4 45. Bd3 b4 46. Kb6 b3 47. a3 b2 48. a4 Kd8 49. a5 Ne6 50. a6 Nc7 51. Kb7 Kd7 52. a7 Kd6 53. a8Q Nxa8 54. Kxa8 Ke7 55. Kb7 Kf7 56. Kc6 g6 57. Kd5 Kg7 58. Kc4 f5 59. Kc3 f4 60. gxf4 gxf4 61. Kxb2 Kf6 62. Kc2 Kg5 63. Kd2 Kh5 64. Bf1 Kh4 65. Ke2 Kg3 66. Ke1 f3 67. Bd3 Kxh3 68. Bxg6 Kg2 69. Bd3 1/2-1/2

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.27"]
[Round "5"]
[White "Landre, Geraldo Barbosa"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "1817"]
[BlackElo "1351"]
[PlyCount "59"]
[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. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nf3 Nf6 5. Nc3 Bg4 6. Ne5 e6 7. Qa4+ Nbd7 8. Bg5 Be7 9. Bxf6 Bxf6 10. Nxg4 0-0 11. Nxf6+ Nxf6 12. e3 Qb6 13. Qb5 Qxb5 14. Bxb5 a6 15. Bd3 b5 16. a3 Rfb8 17. 0-0 b4 18. axb4 Rxb4 19. Rxa6 Rxa6 20. Bxa6 Rxb2 21. Rb1 Rxb1+ 22. Nxb1 Ne4 23. Kf1 h6 24. Ke2 Kf8 25. f3 Nd6 26. Nd2 Ke7 27. Nb3 Kd7 28. Nc5+ Kc7 29. Kd2 Kb6 30. Bd3 1-0

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.26"]
[Round "4"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Ferreira, Jose Carlos"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "1351"]
[BlackElo "1736"]
[PlyCount "111"]
[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. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 Be7 5. Bf4 c6 6. e3 0-0 7. Be2 Nbd7 8. 0-0 dxc4 9. Bxc4 h6 10. Rc1 Re8 11. a3 Nd5 12. Nxd5 exd5 13. Bd3 Nf6 14. b4 a5 15. Qb3 axb4 16. axb4 Bd6 17. Bxd6 Qxd6 18. b5 Ra3 19. Qc2 Bd7 20. bxc6 Bxc6 21. Ne5 Nd7 22. Nxc6 bxc6 23. Bf5 Nb8 24. h3 g6 25. Bg4 h5 26. Bf3 Kg7 27. Qc5 Qxc5 28. Rxc5 Re7 29. Rb1 Ra8 30. Rc2 Rea7 31. Rcb2 Nd7 32. Rb7 Nf6 33. Rxa7 Rxa7 34. Rc1 Ra6 35. Kh2 Ng8 36. Be2 Rb6 37. Bd3 Ne7 38. Rb1 Rxb1 39. Bxb1 Kf6 40. Kg3 Ke6 41. Kf4 f6 42. Bd3 Kd6 43. Kf3 c5 44. dxc5+ Kxc5 45. Kf4 g5+ 46. Kg3 d4 47. exd4+ Kxd4 48. Bb5 Nf5+ 49. Kh2 Nd6 50. Be2 h4 51. Bh5 Ke4 52. Be2 Kd4 53. Ba6 Ne4 54. Kg1 f5 55. Bc8 f4 56. Kf1 1/2-1/2

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.25"]
[Round "2"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Martins de Aguiar, Marina"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1351"]
[BlackElo "1793"]
[PlyCount "148"]
[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. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Bg5 0-0 5. e3 d6 6. Nf3 Nbd7 7. Be2 c5 8. 0-0 b6 9. Rc1 Bb7 10. Qc2 cxd4 11. Nxd4 Rc8 12. Rfd1 Nc5 13. Bf3 Bxf3 14. Nxf3 Ne6 15. Bxf6 Bxf6 16. Nd5 Bg7 17. b3 Nc7 18. Nxc7 Qxc7 19. Nd4 a6 20. h3 Qb7 21. Qe2 Rc5 22. Qd3 Rg5 23. Qf1 Qe4 24. Kh1 Rc8 25. Nf3 Rh5 26. Rd5 Rc5 27. Rxh5 Rxh5 28. Kg1 a5 29. Rd1 Qc2 30. Rd2 Qe4 31. Qd3 Qc6 32. Nd4 Qb7 33. Qe2 a4 34. Qf3 Qxf3 35. Nxf3 axb3 36. axb3 Ra5 37. Rd5 Kf8 38. Rxa5 bxa5 39. Nd4 Ke8 40. Kf1 Kd7 41. Ke2 Kc7 42. Kd3 Kb6 43. Nf3 Bf6 44. Nd4 Kc5 45. Nb5 d5 46. Na3 Kb4 47. Nc2+ Kxb3 48. cxd5 a4 49. f4 a3 50. e4 Bb2 51. e5 a2 52. d6 exd6 53. exd6 a1Q 54. Nxa1+ Bxa1 55. d7 Bf6 56. g4 h6 57. g5 hxg5 58. fxg5 Bxg5 59. Kd4 Kb4 60. Kd5 Kb5 61. d8Q Bxd8 62. Ke5 Kc5 63. Kf4 Kd4 64. Kf3 Ke5 65. Ke3 Kf5 66. Kf3 Kg5 67. Kg3 Bc7+ 68. Kf2 Kh4 69. Kg2 g5 70. Kg1 Kxh3 71. Kh1 g4 72. Kg1 g3 73. Kh1 g2+ 74. Kg1 Bb6# 0-1

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.25"]
[Round "3"]
[White "Da Silva Neto, Edvalte Jose"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "0-1"]
[ECO "D11"]
[BlackElo "1351"]
[PlyCount "66"]
[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. d4 d5 2. e3 Nf6 3. c4 c6 4. Nf3 Bg4 5. Be2 e6 6. h3 Bh5 7. 0-0 Be7 8. Re1 0-0 9. Bd3 Nbd7 10. Bd2 dxc4 11. Bxc4 Nb6 12. b3 Nxc4 13. bxc4 Rc8 14. Nc3 c5 15. Qc2 Bxf3 16. gxf3 cxd4 17. exd4 Qxd4 18. Ne2 Qxc4 19. Rac1 Qxc2 20. Rxc2 Rxc2 21. Be3 Rxa2 22. Bd4 h6 23. Kf1 Rd8 24. Rd1 Bc5 25. Nc1 Ra4 26. Nb3 Bxd4 27. Nc5 Bxc5 28. Rxd8+ Kh7 29. Rd2 b5 30. Rc2 Bb6 31. h4 b4 32. Ke1 b3 33. Rb2 Ra3 0-1

[Event "Florianopolis op 8th"]
[Site "Florianopolis"]
[Date "2022.01.24"]
[Round "1"]
[White "Gazola, Vanessa Ramos"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "1976"]
[BlackElo "1351"]
[PlyCount "81"]
[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. d4 d5 2. c4 c6 3. Nf3 Nf6 4. e3 Bg4 5. Qb3 Qb6 6. Ne5 Qxb3 7. axb3 e6 8. Nxg4 Nxg4 9. Be2 Nf6 10. 0-0 Be7 11. c5 Nbd7 12. b4 a6 13. b5 cxb5 14. Bxb5 0-0 15. Bd3 Rfb8 16. f4 b5 17. Bd2 Ne4 18. Ba5 Ndf6 19. Na3 Bd8 20. Nc2 Bxa5 21. Rxa5 Nd2 22. Re1 Nc4 23. Ra2 h6 24. Re2 b4 25. b3 a5 26. bxc4 b3 27. Ra1 bxc2 28. Rxc2 dxc4 29. Bxc4 Rb4 30. h3 a4 31. Kf2 Ne4+ 32. Ke2 a3 33. Kd3 Nf6 34. Rca2 Rba4 35. g4 Kh7 36. f5 Nd5 37. Bxd5 exd5 38. Rb1 f6 39. Rb7 Rd8 40. Rb6 Rda8 41. Rd6 1-0

[Event "Pan American-ch U1700"]
[Site "Timbo"]
[Date "2021.12.05"]
[Round "9"]
[White "Martinez, Flores Matias"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1516"]
[BlackElo "1256"]
[PlyCount "56"]
[EventDate "2021.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd8 4. d4 Nf6 5. Nf3 Bg4 6. Be2 e6 7. Be3 Bb4 8. 0-0 Bxc3 9. bxc3 0-0 10. h3 Bf5 11. Rb1 b6 12. Bg5 Nbd7 13. Ne5 Nxe5 14. dxe5 Qxd1 15. Rbxd1 Ne4 16. Bd2 Rad8 17. Bd3 Nxd2 18. Rxd2 Rd5 19. f4 g6 20. g4 Bxd3 21. cxd3 Rfd8 22. Rfd1 Rc5 23. c4 Rd4 24. Rc1 b5 25. Kf2 bxc4 26. Ke3 c3 27. Rxc3 Rxc3 28. Kxd4 Rc1 1/2-1/2

[Event "Pan American-ch U1700"]
[Site "Timbo"]
[Date "2021.12.04"]
[Round "7"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Cuco, Gustavo Henrique"]
[Result "1/2-1/2"]
[ECO "A85"]
[WhiteElo "1256"]
[BlackElo "1153"]
[PlyCount "36"]
[EventDate "2021.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 f5 2. c4 Nf6 3. Nc3 e6 4. Bg5 d5 5. e3 c6 6. c5 Be7 7. Nf3 0-0 8. Be2 Nbd7 9. 0-0 Ne4 10. Bxe7 Qxe7 11. Rc1 Rf6 12. Nxe4 fxe4 13. Ng5 Rh6 14. Nh3 Qh4 15. Bg4 Rg6 16. Bh5 Rh6 17. Bg4 Rg6 18. Bh5 Rh6 1/2-1/2

[Event "Pan American-ch U1700"]
[Site "Timbo"]
[Date "2021.12.04"]
[Round "8"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Gomes, Joao Paulo Santos"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "1256"]
[BlackElo "1521"]
[PlyCount "121"]
[EventDate "2021.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Bg5 0-0 5. Nf3 d6 6. e3 b6 7. Be2 Bb7 8. 0-0 Nbd7 9. Rc1 c5 10. d5 h6 11. Bh4 g5 12. Bg3 Nh5 13. b3 Ndf6 14. Qd2 Nxg3 15. hxg3 e6 16. Rfd1 exd5 17. cxd5 Re8 18. Bb5 Re7 19. Bc6 Qc7 20. Bxb7 Qxb7 21. Qd3 a6 22. a3 Rae8 23. b4 Ng4 24. Re1 Ne5 25. Nxe5 Bxe5 26. bxc5 Bxc3 27. c6 Qc8 28. Qxc3 Qc7 29. Qd3 b5 30. Qb3 f5 31. Qd3 Re5 32. a4 bxa4 33. Qxa6 Rxd5 34. Qc4 Qf7 35. Qa6 Re7 36. c7 Rxc7 37. Rxc7 Qxc7 38. Qa8+ Kg7 39. Qxd5 Qc3 40. Qd4+ Qxd4 41. exd4 Kf6 42. Ra1 a3 43. Rxa3 Ke6 44. Ra5 g4 45. f3 h5 46. fxg4 hxg4 47. Kf2 Kf6 48. Ke3 Ke6 49. Kf4 d5 50. Ra6+ Ke7 51. Ke5 Kd7 52. Kxd5 Kc7 53. Rh6 f4 54. gxf4 g3 55. Rg6 Kb7 56. Kc5 Ka7 57. Kb5 Kb7 58. Rg7+ Kb8 59. Kc6 Ka8 60. Kb6 Kb8 61. Rg8# 1-0

[Event "Pan American-ch U1700"]
[Site "Timbo"]
[Date "2021.12.03"]
[Round "5"]
[White "Bashtavenko, Aleksey Stanislavov"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "1-0"]
[ECO "D15"]
[WhiteElo "1540"]
[BlackElo "1256"]
[PlyCount "42"]
[EventDate "2021.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[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 c6 3. Nc3 Nf6 4. Nf3 Bf5 5. cxd5 Nxd5 6. Qb3 Qa5 7. Qxb7 Nxc3 8. Bd2 Qb5 9. Qxa8 Qxb2 10. Rc1 Bc2 11. Rxc2 Qxc2 12. Qxb8+ Kd7 13. Ne5+ Ke6 14. Qb3+ Qxb3 15. axb3 Nb5 16. e3 c5 17. Bxb5 cxd4 18. exd4 Kd5 19. Bc4+ Kxd4 20. Nxf7 Rg8 21. Ng5 h6 1-0

[Event "Pan American-ch U1700"]
[Site "Timbo"]
[Date "2021.12.03"]
[Round "6"]
[White "Carneiro, Breno B De Siqueira"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1587"]
[BlackElo "1256"]
[PlyCount "73"]
[EventDate "2021.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. Nf3 Bf5 4. e3 e6 5. Be2 Be7 6. 0-0 0-0 7. c4 c6 8. Nc3 Nbd7 9. Rc1 Rc8 10. h3 h6 11. Qb3 Qb6 12. Qxb6 axb6 13. cxd5 exd5 14. Ne5 Ra8 15. a3 Nxe5 16. Bxe5 Rfe8 17. g4 Bh7 18. Bf3 Nd7 19. Bg3 Bf6 20. Ne2 Bd3 21. Rfd1 Be4 22. Bxe4 Rxe4 23. Kg2 Rae8 24. Ng1 Nf8 25. Nf3 Ng6 26. Rc3 R4e7 27. Rb3 b5 28. h4 Rd7 29. h5 Ne7 30. Ne5 Nc8 31. Nd3 Nb6 32. Nc5 Rdd8 33. Bc7 Na4 34. Bxd8 Nxc5 35. dxc5 Rxd8 36. a4 bxa4 37. Rxb7 1-0

[Event "Pan American-ch U1700"]
[Site "Timbo"]
[Date "2021.12.02"]
[Round "4"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Ferreira, Erico Oliveira"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "1256"]
[BlackElo "1264"]
[PlyCount "103"]
[EventDate "2021.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. Bg5 h6 6. Bh4 d6 7. e3 a5 8. Be2 Na6 9. 0-0 c5 10. dxc5 Nxc5 11. Rc1 Be6 12. b3 g5 13. Bg3 Nh5 14. Nd4 Nxg3 15. hxg3 Bd7 16. Bf3 Rb8 17. Qd2 Qc8 18. Nd5 Re8 19. Nb6 Qc7 20. Nxd7 Nxd7 21. Nb5 Qd8 22. Nd4 Ne5 23. Be2 Nc6 24. Nf5 Bh8 25. Nxh6+ Kf8 26. Rfd1 Bg7 27. Nf5 Qb6 28. Nxg7 Kxg7 29. Qd5 Ne5 30. c5 Qc6 31. Qxc6 bxc6 32. cxd6 exd6 33. Rxd6 a4 34. bxa4 Ra8 35. f4 gxf4 36. gxf4 Ng6 37. Rdxc6 Rxa4 38. Bb5 Rae4 39. Rxg6+ fxg6 40. Bxe8 Rxe8 41. Rc3 Rd8 42. a3 Rd2 43. Kh2 Kf6 44. Kg3 Ra2 45. Kf3 Kf5 46. Rc5+ Kf6 47. Ra5 Ke6 48. g4 Ra1 49. Ke4 Re1 50. Ra6+ Kf7 51. f5 gxf5+ 52. gxf5 1-0

[Event "Pan American-ch U1700"]
[Site "Timbo"]
[Date "2021.12.02"]
[Round "3"]
[White "Venter, Paulo Regis"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "1608"]
[BlackElo "1256"]
[PlyCount "92"]
[EventDate "2021.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Bd3 Bxd3 6. Qxd3 Nd7 7. 0-0 c5 8. dxc5 Bxc5 9. Nc3 Ne7 10. Na4 0-0 11. Bg5 h6 12. Bh4 Rc8 13. c3 Qe8 14. Nxc5 Nxc5 15. Qd2 Nf5 16. Bg3 Ne4 17. Qd3 Qc6 18. Bf4 Rfd8 19. g4 Ne7 20. Nd4 Qc4 21. Qh3 Ng6 22. Qe3 Nxf4 23. Qxf4 Ng5 24. Qe3 a6 25. f4 Ne4 26. h4 Kh8 27. f5 Re8 28. fxe6 fxe6 29. g5 Qc7 30. Qf4 Rf8 31. Qh2 Qe7 32. Qh3 Rce8 33. Rxf8+ Qxf8 34. Rf1 Qe7 35. g6 Rf8 36. Nxe6 Rxf1+ 37. Qxf1 Qxe6 38. Qf8+ Qg8 39. Qe7 Qc8 40. e6 Qb8 41. Qf7 Qg3+ 42. Kf1 Qd3+ 43. Kg2 Qg3+ 44. Kf1 Qd3+ 45. Ke1 Qd2+ 46. Kf1 Qd3+ 1/2-1/2

[Event "Pan American-ch U1700"]
[Site "Timbo"]
[Date "2021.12.01"]
[Round "1"]
[White "Boutin Neto, Mauro Albano"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "1587"]
[BlackElo "1256"]
[PlyCount "95"]
[EventDate "2021.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 Bf5 4. c4 c6 5. Qb3 Qb6 6. Nc3 e6 7. c5 Qxb3 8. axb3 Be7 9. b4 a6 10. Nf3 Nbd7 11. Be2 0-0 12. 0-0 h6 13. Ra2 Nh5 14. Bg3 Nxg3 15. hxg3 Nf6 16. Rfa1 Rfd8 17. Nd2 Rd7 18. Na4 Bd8 19. Nb3 Bc2 20. Bd1 Bxb3 21. Bxb3 Ne4 22. Nc3 Nxc3 23. bxc3 Bf6 24. Rd1 Rad8 25. f4 Re7 26. Re1 Kf8 27. Rae2 Ra8 28. e4 dxe4 29. Rxe4 Ree8 30. Ra1 Reb8 31. Bc4 Ra7 32. Re2 Rd8 33. Rea2 Raa8 34. Kf2 Ke7 35. Re1 Kd7 36. f5 exf5 37. Bxf7 Rf8 38. Bg6 f4 39. Re4 fxg3+ 40. Kxg3 Bg5 41. Rae2 a5 42. Bh5 axb4 43. cxb4 Ra4 44. d5 cxd5 45. Rd4 Kc7 46. Be8 Bf6 47. Rf4 Ra3+ 48. Rf3 0-1

[Event "Pan American-ch U1700"]
[Site "Timbo"]
[Date "2021.12.01"]
[Round "2"]
[White "Da Costa, Mariana Nara Santan"]
[Black "De Abreu, Vinicius Lindoso"]
[Result "0-1"]
[ECO "D91"]
[WhiteElo "1256"]
[BlackElo "1581"]
[PlyCount "82"]
[EventDate "2021.12.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bg5 Bg7 5. Nf3 0-0 6. e3 c5 7. dxc5 Qa5 8. Be2 dxc4 9. Bxc4 Ne4 10. 0-0 Nxc3 11. bxc3 Qxc5 12. Bb3 Bg4 13. Bf4 Qxc3 14. Rc1 Qa5 15. Bd5 Nc6 16. Bxc6 bxc6 17. Qc2 Rac8 18. Qc5 Qxc5 19. Rxc5 Rfd8 20. h3 Bxf3 21. gxf3 Rd2 22. Ra5 e5 23. Bg3 c5 24. Rc1 c4 25. Kf1 c3 26. Ke1 Rb2 27. Ra3 c2 28. Kd2 Bf8 29. Rb3 Rxa2 30. Bxe5 Ba3 31. Rxa3 Rxa3 32. Rxc2 Rxc2+ 33. Kxc2 f5 34. Bb2 Ra5 35. Kd3 Rb5 36. Bc3 Kf7 37. Kc4 a6 38. f4 Ke6 39. f3 Rb1 40. e4 Rh1 41. exf5+ Kxf5 0-1

[Event "Timbo op"]
[Site "Timbo"]
[Date "2021.06.13"]
[Round "6"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Koinski, Carlos Cesar"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "1236"]
[BlackElo "1478"]
[PlyCount "138"]
[EventDate "2021.06.11"]
[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 e6 3. Nc3 Nf6 4. Bf4 Bd6 5. Bxd6 Qxd6 6. e3 Qb4 7. Qa4+ Nc6 8. Qxb4 Nxb4 9. Rc1 dxc4 10. Bxc4 c6 11. Nf3 Nbd5 12. Nxd5 exd5 13. Bd3 0-0 14. 0-0 Re8 15. Rfe1 Bg4 16. Ne5 Be6 17. Rc3 Nd7 18. Nxd7 Bxd7 19. Rb3 Rab8 20. Rc1 g6 21. Rcc3 f5 22. h3 Rec8 23. a4 c5 24. Rxc5 Rxc5 25. dxc5 Bxa4 26. Ra3 Bc6 27. Rxa7 Rd8 28. Kf1 d4 29. Bc4+ Kf8 30. exd4 Rxd4 31. b3 Re4 32. Ra8+ Kg7 33. Rd8 Re5 34. b4 Re4 35. b5 Rxc4 36. bxc6 bxc6 37. g4 fxg4 38. hxg4 Rxc5 39. Rc8 h6 40. Rc7+ Kf6 41. Rh7 h5 42. gxh5 Rxh5 43. Rc7 Rc5 44. Ke2 Ke5 45. Kd3 g5 46. Rg7 Kf6 47. Rd7 Rd5+ 48. Rxd5 cxd5 49. Kd4 Ke6 50. Kd3 Ke5 51. Ke3 g4 52. f3 g3 53. f4+ Kf5 54. Kf3 g2 55. Kxg2 Kxf4 56. Kf2 d4 57. Ke2 Ke4 58. Kd2 d3 59. Kd1 Ke3 60. Ke1 Kd4 61. Kd2 Kc4 62. Kd1 Kc3 63. Kc1 Kd4 64. Kd2 Ke4 65. Kd1 Ke3 66. Ke1 Kd4 67. Kd2 Ke4 68. Kd1 Kf3 69. Kd2 Ke4 1/2-1/2

[Event "Timbo op"]
[Site "Timbo"]
[Date "2021.06.13"]
[Round "5"]
[White "De Freitas, Sidinei Melo"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "1475"]
[BlackElo "1236"]
[PlyCount "62"]
[EventDate "2021.06.11"]
[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. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 e6 7. Ne5 Nf6 8. Be3 Nbd7 9. Nxg6 hxg6 10. Bd3 Nd5 11. c4 Bb4+ 12. Bd2 Bxd2+ 13. Qxd2 N5f6 14. 0-0 Qc7 15. h3 0-0-0 16. b4 Nb6 17. Qe3 Qd7 18. Ne2 Rhe8 19. Rfd1 Qe7 20. b5 e5 21. bxc6 exd4 22. cxb7+ Kb8 23. Nxd4 Qxe3 24. Nc6+ Kc7 25. fxe3 Kxc6 26. Rab1 Rb8 27. c5 Kxc5 28. Rbc1+ Kb4 29. Rb1+ Ka4 30. Bb5+ Ka3 31. Bxe8 Rxe8 1-0

[Event "Timbo op"]
[Site "Timbo"]
[Date "2021.06.12"]
[Round "4"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Da Costa, Michael David"]
[Result "1-0"]
[ECO "D91"]
[WhiteElo "1236"]
[BlackElo "1471"]
[PlyCount "66"]
[EventDate "2021.06.11"]
[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 Nf6 2. c4 g6 3. Nc3 Bg7 4. Bg5 0-0 5. Nf3 c6 6. e3 d5 7. Be2 Nbd7 8. 0-0 Re8 9. Rc1 dxc4 10. Bxc4 Nb6 11. Bb3 Bf5 12. Ne5 Nbd5 13. Qf3 Be6 14. Nxd5 Bxd5 15. Bxd5 Qxd5 16. Qxd5 Nxd5 17. Nd3 Rac8 18. Rfe1 f6 19. Bh4 e5 20. dxe5 fxe5 21. a3 b6 22. Red1 Re6 23. b4 Kf7 24. b5 c5 25. Rc2 Ne7 26. Nb2 Rc7 27. Nc4 Nf5 28. Bd8 Rb7 29. g4 Ne7 30. Nd6+ Rxd6 31. Rxd6 Nc8 32. Rd1 Ke6 33. Bh4 Nd6 1-0

[Event "Timbo op"]
[Site "Timbo"]
[Date "2021.06.12"]
[Round "2"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Ramos, Fernanda Cabreira"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "1236"]
[PlyCount "69"]
[EventDate "2021.06.11"]
[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 Nf6 3. Nc3 c6 4. Bf4 Na6 5. e3 Bf5 6. Nf3 Nb4 7. Rc1 Qa5 8. a3 Na2 9. Be2 Nxc1 10. Qxc1 Ne4 11. 0-0 Nxc3 12. Qxc3 Qd8 13. Qb3 b6 14. Rc1 Be4 15. Ne5 dxc4 16. Bxc4 e6 17. Ba6 Bd5 18. Qc3 c5 19. Bb5+ Ke7 20. dxc5 Rc8 21. c6 Kf6 22. c7 Be7 23. cxd8Q Rxc3 24. Qxe7+ Kxe7 25. Rxc3 Kf6 26. Ba6 Rd8 27. h3 g5 28. Bg3 h5 29. Rc7 Rf8 30. Nd7+ Kf5 31. Nxf8 h4 32. Bh2 f6 33. f3 e5 34. e4+ Bxe4 35. Bc8# 1-0

[Event "Timbo op"]
[Site "Timbo"]
[Date "2021.06.12"]
[Round "3"]
[White "De Carvalho, Vitor Augusto Ponci"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1591"]
[BlackElo "1236"]
[PlyCount "59"]
[EventDate "2021.06.11"]
[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. e5 Bf5 4. h4 h6 5. g4 Bh7 6. Bd3 Bxd3 7. Qxd3 e6 8. f4 Be7 9. Nf3 Qa5+ 10. c3 Nd7 11. Be3 0-0-0 12. Nbd2 Kb8 13. Nb3 Qc7 14. 0-0-0 Rc8 15. Kb1 Bd8 16. f5 Ne7 17. Rdf1 h5 18. fxe6 fxe6 19. Ng5 hxg4 20. Nxe6 Qb6 21. Nxg7 Rg8 22. Rf7 Rh8 23. Bf4 c5 24. e6+ Ka8 25. exd7 Rc6 26. dxc5 Qa6 27. Qxa6 bxa6 28. Nd4 Rg6 29. Nge6 g3 30. Bxg3 1-0

[Event "Timbo op"]
[Site "Timbo"]
[Date "2021.06.11"]
[Round "1"]
[White "Fischer Junior, Donaldo"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1826"]
[BlackElo "1236"]
[PlyCount "39"]
[EventDate "2021.06.11"]
[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. f3 dxe4 4. fxe4 Nf6 5. e5 Bg4 6. Be2 Bxe2 7. Nxe2 Nd5 8. 0-0 e6 9. c4 Nb4 10. b3 Be7 11. Nbc3 0-0 12. Ne4 Nd7 13. Bb2 Rc8 14. N2g3 c5 15. d5 exd5 16. cxd5 c4 17. Nf5 cxb3 18. Qg4 g6 19. d6 h5 20. Qg3 1-0

[Event "Timbo op"]
[Site "Timbo"]
[Date "2021.02.21"]
[Round "5"]
[White "Da Silva, Henrique Marques Ol"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "0-1"]
[ECO "B13"]
[BlackElo "1242"]
[PlyCount "58"]
[EventDate "2021.02.19"]
[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 c6 2. Nf3 d5 3. exd5 cxd5 4. d4 Bf5 5. c4 Nf6 6. Nc3 e6 7. Bf4 Nc6 8. Be2 Be7 9. 0-0 0-0 10. h3 Rc8 11. Qd2 Na5 12. b3 dxc4 13. bxc4 Nxc4 14. Bxc4 Rxc4 15. Rab1 b6 16. Rbc1 Bb4 17. Rfd1 Qc8 18. Rc2 Bxc2 19. Qxc2 Rxc3 20. Qb1 Ba5 21. Be5 h6 22. Bxf6 gxf6 23. Rd3 Rc1+ 24. Qxc1 Qxc1+ 25. Kh2 a6 26. Kg3 Kh8 27. Kg4 Rg8+ 28. Kh5 b5 29. Kh4 Rg5 0-1

[Event "Timbo op"]
[Site "Timbo"]
[Date "2021.02.20"]
[Round "4"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Da Silva, Bernardo Marques Ol"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1242"]
[PlyCount "79"]
[EventDate "2021.02.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d6 3. Nc3 g6 4. Nf3 Bg7 5. Bg5 0-0 6. e3 Nc6 7. Be2 Re8 8. 0-0 e5 9. h3 e4 10. Nd2 Bf5 11. a3 a5 12. b3 Qd7 13. Rc1 Rad8 14. Nb5 Ne7 15. b4 axb4 16. axb4 c6 17. Nc3 d5 18. b5 Ra8 19. cxd5 cxd5 20. Na4 Qd6 21. Bf4 Qb4 22. Nb6 Ra2 23. Rc2 Rxc2 24. Qxc2 Nd7 25. Rb1 Qa5 26. Nxd7 Bxd7 27. b6 Rc8 28. Bc7 Ra8 29. Nb3 Ba4 30. Qc5 Bxb3 31. Qxe7 Qa2 32. Re1 Qd2 33. Kf1 Bc4 34. Bxc4 dxc4 35. Qxe4 c3 36. Qb1 c2 37. Qc1 Qd3+ 38. Kg1 Ra2 39. Kh2 Bf8 40. Be5 0-1

[Event "Timbo op"]
[Site "Timbo"]
[Date "2021.02.20"]
[Round "3"]
[White "Giovanella, Ezequiel Luis Lopes"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "1-0"]
[ECO "D00"]
[BlackElo "1242"]
[PlyCount "41"]
[EventDate "2021.02.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Nc3 Nc6 4. Bf4 Bf5 5. e3 e6 6. Bd3 Bxd3 7. Qxd3 Be7 8. a3 0-0 9. Bg5 a6 10. h4 Nh5 11. 0-0-0 b5 12. g4 Nf6 13. Bxf6 Bxf6 14. Ng5 g6 15. e4 Bxg5+ 16. hxg5 Qxg5+ 17. Kb1 Na5 18. Qh3 h6 19. exd5 exd5 20. Nxd5 c6 21. f4 1-0

[Event "Timbo op"]
[Site "Timbo"]
[Date "2021.02.19"]
[Round "2"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Pomar, Marcelo Nascimento"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "1242"]
[BlackElo "1989"]
[PlyCount "52"]
[EventDate "2021.02.19"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 c5 5. Nf3 Nc6 6. dxc5 Bxc5 7. e3 0-0 8. Be2 a6 9. 0-0 Qc7 10. h3 b6 11. a3 Bb7 12. Na4 Be7 13. Qb3 Bd8 14. c5 bxc5 15. Nxc5 Bc8 16. Qa4 Qb6 17. b4 d6 18. Nd3 Bb7 19. Rfc1 e5 20. Nb2 d5 21. Ne1 Ne4 22. Rd1 Bh4 23. g3 Bxg3 24. fxg3 Nxd2 25. Ng2 Ne4 26. Rxd5 Nc5 0-1

[Event "Timbo op"]
[Site "Timbo"]
[Date "2021.02.19"]
[Round "1"]
[White "Maiberg, Wellington Gubiani"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "1948"]
[BlackElo "1242"]
[PlyCount "59"]
[EventDate "2021.02.19"]
[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 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. N1e2 Nf6 8. Nf4 Bh7 9. Bc4 e6 10. Qe2 Nbd7 11. Bd2 Bd6 12. 0-0-0 0-0 13. Nxe6 fxe6 14. Qxe6+ Kh8 15. Qxd6 Nb6 16. Qxd8 Rfxd8 17. Bb3 Rxd4 18. Bc3 Rf4 19. f3 Nfd5 20. Be5 Rf7 21. Rhe1 Kg8 22. a3 Re7 23. c4 Rae8 24. cxd5 Rxe5 25. Rxe5 Rxe5 26. dxc6+ Kf8 27. Rd8+ Ke7 28. cxb7 Rc5+ 29. Kd2 Kxd8 30. b8Q+ 1-0

[Event "Florianopolis op 7th"]
[Site "Florianopolis"]
[Date "2021.01.24"]
[Round "10"]
[White "Souza, Neurismar da Rocha"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1515"]
[BlackElo "1190"]
[PlyCount "82"]
[EventDate "2021.01.18"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Bd3 Bxd3 5. Qxd3 e6 6. Nf3 c5 7. c3 Nd7 8. 0-0 cxd4 9. cxd4 Bb4 10. a3 Ba5 11. b4 Bb6 12. Nc3 Ne7 13. Bg5 0-0 14. Nb5 h6 15. Bxe7 Qxe7 16. Nd6 Rab8 17. Rac1 Qd8 18. Rc2 Bc7 19. Nb5 Bb6 20. Rfc1 f6 21. a4 a6 22. Na3 fxe5 23. dxe5 Rf5 24. a5 Ba7 25. Qc3 Rf8 26. b5 Nc5 27. b6 Na4 28. Qc7 Qxc7 29. Rxc7 Nxb6 30. axb6 Bxb6 31. Re7 Rfe8 32. Rd7 Ba5 33. g3 b5 34. Nd4 Bd2 35. Rcc7 b4 36. Nb1 Bg5 37. f4 Bd8 38. Rxg7+ Kh8 39. Rgf7 Bxc7 40. Rxc7 a5 41. Nc6 Rbc8 0-1

[Event "Florianopolis op 7th"]
[Site "Florianopolis"]
[Date "2021.01.23"]
[Round "9"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Japiassu, Glauco Antonio Beze"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1190"]
[BlackElo "1545"]
[PlyCount "66"]
[EventDate "2021.01.18"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Bf4 Bd6 5. Bxd6 Qxd6 6. e3 Nf6 7. Nf3 Nbd7 8. Be2 e5 9. 0-0 0-0 10. dxe5 Nxe5 11. Nxe5 Qxe5 12. cxd5 cxd5 13. Bf3 Be6 14. Qb3 d4 15. Qb5 Qxb5 16. Nxb5 dxe3 17. fxe3 Bc4 18. Rfc1 Bxb5 19. Bxb7 Rab8 20. Bf3 Rbc8 21. Rd1 Rc2 22. Rab1 Be2 23. Bxe2 Rxe2 24. Rd3 g6 25. b3 Rxa2 26. b4 Rc8 27. Rd6 Kg7 28. Rf1 Ng4 29. Rd7 Nh6 30. Rf2 Rc1+ 31. Rf1 Rcc2 32. Rf3 Rxg2+ 33. Kf1 Rxh2 0-1

[Event "Florianopolis op 7th"]
[Site "Florianopolis"]
[Date "2021.01.23"]
[Round "8"]
[White "Pontes, Larissa Amelio de O"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "0-1"]
[ECO "B11"]
[BlackElo "1190"]
[PlyCount "50"]
[EventDate "2021.01.18"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. f3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. d3 Nf6 7. Bf4 Nbd7 8. Qd2 e6 9. 0-0-0 Be7 10. Qe1 0-0 11. Bd2 Rc8 12. d4 b6 13. Bd3 Bxd3 14. cxd3 c5 15. Kb1 cxd4 16. N1e2 Nc5 17. Nf4 Qd7 18. h4 Qb5 19. Qe2 Na4 20. b3 Nc3+ 21. Kb2 Nxe2 22. Nfxe2 Qxd3 23. Rhe1 Rc2+ 24. Kb1 Rxd2+ 25. Ka1 Rxd1+ 0-1

[Event "Florianopolis op 7th"]
[Site "Florianopolis"]
[Date "2021.01.22"]
[Round "7"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Ferreira de Souza, Ricardo"]
[Result "1-0"]
[ECO "E20"]
[WhiteElo "1190"]
[BlackElo "1401"]
[PlyCount "97"]
[EventDate "2021.01.18"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Bb4 4. Bd2 Nf6 5. a3 Be7 6. Nf3 0-0 7. e3 Nc6 8. Be2 Ne4 9. 0-0 f5 10. h3 Rf6 11. Nxe4 fxe4 12. Nh2 Rg6 13. Bh5 Rg5 14. Bg4 e5 15. cxd5 Qxd5 16. dxe5 Nxe5 17. Bc3 Nd3 18. Qa4 b5 19. Qd4 Qc6 20. f3 Nf4 21. Qxe4 Ne2+ 22. Kf2 Qxe4 23. fxe4 Nxc3 24. bxc3 Bb7 25. Nf3 Rf8 26. Bf5 g6 27. Be6+ Kg7 28. Kg1 Rg3 29. Bd5 Ba6 30. Kh2 Bd6 31. e5 Rgxf3 32. Rxf3 Bxe5+ 33. Kg1 Rxf3 34. gxf3 Bxc3 35. Rc1 Be5 36. f4 Bd6 37. Kf2 Bc8 38. Kg3 Kf6 39. e4 g5 40. e5+ Bxe5 41. fxe5+ Kxe5 42. Bc6 a6 43. Bf3 Kd6 44. Rc6+ Kd7 45. Rh6 c5 46. Rxh7+ Ke6 47. Rc7 c4 48. Rxc8 Ke5 49. a4 1-0

[Event "Florianopolis op 7th"]
[Site "Florianopolis"]
[Date "2021.01.21"]
[Round "6"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Oliveira, Isaac Rodrigues"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1190"]
[PlyCount "72"]
[EventDate "2021.01.18"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Bf4 d6 5. e3 Bf5 6. Be2 Nbd7 7. Nf3 Nh5 8. Bg5 h6 9. Bh4 Bf6 10. Bxf6 Nhxf6 11. 0-0 e5 12. Bd3 e4 13. g4 Bxg4 14. Nxe4 Nxe4 15. Bxe4 Qf6 16. Rc1 Qe6 17. Bxb7 Bh3 18. Nh4 Bxf1 19. Bxa8 Bh3 20. Bg2 g5 21. Bxh3 Qxh3 22. Ng2 Nf6 23. Qa4+ Kf8 24. Qxa7 Ng4 25. Rc2 Qxh2+ 26. Kf1 Qh1+ 27. Ke2 Qxg2 28. Kd3 Nxf2+ 29. Kc3 Ne4+ 30. Kb3 Qf3 31. Kb4 c5+ 32. dxc5 dxc5+ 33. Kb5 Qxe3 34. Qb8+ Kg7 35. Qe5+ f6 36. Rc3 Nxc3+ 0-1

[Event "Florianopolis op 7th"]
[Site "Florianopolis"]
[Date "2021.01.21"]
[Round "5"]
[White "Monteiro, Aldus Daniel F De S"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "1-0"]
[ECO "D20"]
[BlackElo "1190"]
[PlyCount "57"]
[EventDate "2021.01.18"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 dxc4 5. Bxc4 Nf6 6. Nf3 Bf5 7. Qb3 e6 8. Qxb7 Be4 9. Qb5+ Nc6 10. Nbd2 Bd5 11. Ne5 Rc8 12. Ndf3 Qa5+ 13. Bd2 Qxb5 14. Bxb5 Be7 15. Rc1 0-0 16. Bxc6 Bxc6 17. Rxc6 Rxc6 18. Nxc6 Bd6 19. Nxa7 Ra8 20. Nb5 Rxa2 21. 0-0 Be7 22. Rb1 Ne4 23. Nc3 Nxc3 24. bxc3 h6 25. h3 Bd6 26. c4 Ra4 27. c5 Bf8 28. Rb8 Rc4 29. c6 1-0

[Event "Florianopolis op 7th"]
[Site "Florianopolis"]
[Date "2021.01.20"]
[Round "4"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Nobre, Jailson Altair Barb"]
[Result "0-1"]
[ECO "E21"]
[WhiteElo "1190"]
[BlackElo "1607"]
[PlyCount "121"]
[EventDate "2021.01.18"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bd2 b6 5. a3 Bxc3 6. Bxc3 0-0 7. Nf3 Bb7 8. e3 Ne4 9. Bd3 f5 10. 0-0 Rf6 11. Bxe4 Bxe4 12. d5 Rg6 13. dxe6 Rxg2+ 14. Kh1 Qe8 15. Nh4 Rxf2+ 16. Kg1 Rxf1+ 17. Qxf1 Qxe6 18. Rd1 Nc6 19. b3 d6 20. Qf4 Ne5 21. Rf1 Rf8 22. Qg3 b5 23. cxb5 Qxb3 24. Bxe5 dxe5 25. Qxe5 Qxe3+ 26. Rf2 Qe1+ 27. Rf1 Qxh4 28. Rf4 Qg5+ 29. Kf2 Rd8 30. Rxe4 Qd2+ 31. Re2 Qd4+ 32. Qxd4 Rxd4 33. Rc2 Ra4 34. Rc3 Ra5 35. Rxc7 Rxa3 36. Rc5 f4 37. Rf5 Ra2+ 38. Kg1 Ra5 39. Rxf4 Rxb5 40. Ra4 a5 41. Kf2 Kf7 42. Ke3 Ke6 43. Kd3 g5 44. Re4+ Kf6 45. Re1 h5 46. Ra1 g4 47. Kc4 Rf5 48. Rd1 Kg5 49. Rg1 Kh4 50. Rg3 Rf2 51. Ra3 a4 52. Kb5 Rxh2 53. Rxa4 Rf2 54. Re4 Kg3 55. Re5 h4 56. Kc4 h3 57. Kd3 h2 58. Re1 Kg2 59. Ke3 h1Q 60. Rxh1 Kxh1 61. Kxf2 0-1

[Event "Florianopolis op 7th"]
[Site "Florianopolis"]
[Date "2021.01.19"]
[Round "2"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Timossi, Lucas Jose Santiago"]
[Result "1-0"]
[ECO "E61"]
[WhiteElo "1190"]
[PlyCount "131"]
[EventDate "2021.01.18"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. d4 d6 2. c4 Nf6 3. Nc3 g6 4. Bf4 Bg7 5. e3 Nh5 6. Bg5 0-0 7. Be2 Nf6 8. Nf3 c5 9. dxc5 dxc5 10. 0-0 Nc6 11. Qc2 Nb4 12. Qd2 Qc7 13. Rad1 Be6 14. a3 Rad8 15. Qc1 Nc6 16. Bf4 Qc8 17. Ne5 Rxd1 18. Rxd1 Bg4 19. Bxg4 Nxg4 20. Nxg4 Qxg4 21. h3 Qe6 22. Nd5 Rd8 23. b3 Na5 24. Bc7 Nxb3 25. Qb1 Rxd5 26. cxd5 Qd7 27. Qxb3 Qxc7 28. Rb1 b6 29. Qa4 h6 30. Qc6 Be5 31. e4 Bd6 32. a4 Qxc6 33. dxc6 Kf8 34. Kf1 Ke8 35. Ke2 Kd8 36. Kd3 Kc7 37. Kc4 Kxc6 38. g3 a5 39. f4 f6 40. Re1 e5 41. fxe5 Bxe5 42. g4 g5 43. Rd1 Bd4 44. Rh1 Bf2 45. Rf1 Bd4 46. Rh1 Be5 47. h4 Bf4 48. h5 Kd6 49. Re1 Be5 50. Kb5 Kc7 51. Rd1 Bd4 52. Rb1 Be5 53. Ka6 c4 54. Rxb6 c3 55. Rb1 Kd6 56. Rc1 Kc5 57. Kxa5 Kd4 58. Kb4 Kd3 59. Kb3 Kd2 60. Rc2+ Kd3 61. a5 Bd4 62. a6 Kxe4 63. Rxc3 Bg1 64. Rc1 Bf2 65. Rf1 Bd4 66. Rxf6 1-0

[Event "Florianopolis op 7th"]
[Site "Florianopolis"]
[Date "2021.01.19"]
[Round "3"]
[White "Ferreira, Carlos Eduardo"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1646"]
[BlackElo "1190"]
[PlyCount "47"]
[EventDate "2021.01.18"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. h3 Nc6 6. c3 e6 7. Nf3 Be7 8. 0-0 0-0 9. Bg5 h6 10. Be3 Bd7 11. Nbd2 Rc8 12. Re1 a6 13. a4 Rb8 14. Nf1 b5 15. axb5 axb5 16. Bf4 Rb7 17. b4 Qb6 18. Ng3 Ra7 19. Qd2 Rfa8 20. Rxa7 Rxa7 21. Bxh6 gxh6 22. Qxh6 Bf8 23. Qxf6 Ra3 24. Ng5 1-0

[Event "Florianopolis op 7th"]
[Site "Florianopolis"]
[Date "2021.01.18"]
[Round "1"]
[White "Machado, Luiz Fernando"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "1-0"]
[ECO "B13"]
[WhiteElo "1658"]
[BlackElo "1190"]
[PlyCount "43"]
[EventDate "2021.01.18"]
[EventType "swiss"]
[EventRounds "10"]
[EventCountry "BRA"]
[SourceTitle "CBM 200 Extra"]
[Source "ChessBase"]
[SourceDate "2021.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.03.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nf6 5. Ne2 Nc6 6. c3 Bd7 7. Bf4 e6 8. 0-0 Be7 9. Nd2 0-0 10. Nf3 Rc8 11. Ne5 Nxe5 12. Bxe5 h6 13. f4 Ng4 14. Qd2 Nxe5 15. fxe5 Bg5 16. Qc2 Qe8 17. Rf3 Bb5 18. Raf1 Qc6 19. Bh7+ Kh8 20. Rxf7 Rxf7 21. Rxf7 Bxe2 22. Qg6 1-0

[Event "Santa Catarina-ch (Women)"]
[Site "Lages"]
[Date "2020.02.16"]
[Round "6"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Neuenfeld, Eduarda"]
[Result "0-1"]
[ECO "D45"]
[BlackElo "1333"]
[PlyCount "104"]
[EventDate "2020.02.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nc3 e6 4. Nf3 Nf6 5. e3 b6 6. Bd2 Ba6 7. b3 Nbd7 8. Be2 Be7 9. 0-0 0-0 10. cxd5 Bxe2 11. Qxe2 cxd5 12. Qd1 Rc8 13. Rc1 h6 14. h3 Rc6 15. Qe2 Qb8 16. Qb5 Rfc8 17. Qd3 Bb4 18. Rc2 Bxc3 19. Rxc3 Rxc3 20. Bxc3 Ne4 21. Bb4 Ndf6 22. Qb1 Qc7 23. Qb2 a5 24. Ba3 Qc2 25. Rc1 Qxc1+ 26. Qxc1 Rxc1+ 27. Bxc1 Nc3 28. Kf1 Nxa2 29. Bd2 Ne4 30. Ke2 Kf8 31. Ne5 Ke7 32. f3 Nxd2 33. Kxd2 f6 34. Ng4 Kd6 35. Nf2 Kc6 36. Nd3 Kb5 37. Kc2 Nb4+ 38. Nxb4 Kxb4 39. Kb2 a4 40. bxa4 Kxa4 41. Ka2 b5 42. g3 Kb4 43. Kb2 Kc4 44. Kc2 b4 45. g4 e5 46. dxe5 fxe5 47. f4 exf4 48. exf4 b3+ 49. Kb2 d4 50. h4 d3 51. Kc1 Kc3 52. h5 b2+ 0-1

[Event "Santa Catarina-ch (Women)"]
[Site "Lages"]
[Date "2020.02.16"]
[Round "5"]
[White "Gomes, Sofia Leticia Pinz"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "1-0"]
[ECO "C51"]
[WhiteElo "1473"]
[PlyCount "123"]
[EventDate "2020.02.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. b4 Bxb4 5. c3 Bc5 6. d4 exd4 7. 0-0 dxc3 8. Bxf7+ Kxf7 9. Qd5+ Ke8 10. Qxc5 d6 11. Qxc3 Qf6 12. Bb2 Qxc3 13. Nxc3 Nf6 14. Rfe1 Rf8 15. Nd5 Kf7 16. Nxc7 Rb8 17. Rad1 Rd8 18. e5 Ne8 19. Ng5+ Kg8 20. exd6 Nxd6 21. Rxd6 Bg4 22. Rxd8+ Rxd8 23. h3 h6 24. Nge6 Bxe6 25. Rxe6 Rd2 26. Bc3 Rxa2 27. Rg6 Kf8 28. Rxg7 Rc2 29. Ne6+ Ke8 30. Bf6 Re2 31. Nc5 b6 32. Nd3 Rd2 33. Nf4 Rd6 34. Bc3 Rd1+ 35. Kh2 Ra1 36. Bd2 Rd1 37. Be3 Kf8 38. Rc7 Rd6 39. Bc1 Ke8 40. Ba3 Rf6 41. Nd5 Rg6 42. Ne7 Nxe7 43. Rxe7+ Kd8 44. Rxa7 Kc8 45. Rh7 Rf6 46. f3 Kd8 47. Bc1 Ke8 48. Rxh6 Rxh6 49. Bxh6 b5 50. Bc1 b4 51. g4 b3 52. g5 Kf7 53. h4 Kg6 54. f4 Kh7 55. f5 Kg7 56. Bb2+ Kf8 57. g6 Kg8 58. f6 Kf8 59. g7+ Kf7 60. h5 Kg8 61. h6 Kh7 62. f7 1-0

[Event "Santa Catarina-ch (Women)"]
[Site "Lages"]
[Date "2020.02.15"]
[Round "4"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Ittner, Emily Caroline"]
[Result "1-0"]
[ECO "A46"]
[BlackElo "1123"]
[PlyCount "55"]
[EventDate "2020.02.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. dxc5 Nf6 5. e3 Bxc5 6. Nf3 Nc6 7. Be2 0-0 8. 0-0 a6 9. h3 Rb8 10. Bd2 Qd7 11. cxd5 Nxd5 12. Nxd5 Qxd5 13. Bc3 Qxd1 14. Rfxd1 b5 15. a3 a5 16. Bd2 a4 17. Rac1 Bxa3 18. bxa3 Bd7 19. Rb1 Na7 20. Rdc1 Rfc8 21. Rxc8+ Rxc8 22. Ne5 Be8 23. Nf3 Rc2 24. Rc1 Ra2 25. Rc7 Nc6 26. Rc8 Kf8 27. Bxb5 Rc2 28. Bb4+ 1-0

[Event "Santa Catarina-ch (Women)"]
[Site "Lages"]
[Date "2020.02.15"]
[Round "3"]
[White "Deobrochinski, Valentina Hinke"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "1/2-1/2"]
[ECO "D00"]
[WhiteElo "1204"]
[PlyCount "75"]
[EventDate "2020.02.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 d5 2. e3 Bf5 3. f4 e5 4. Nf3 Bd6 5. c4 dxc4 6. Bxc4 Nf6 7. 0-0 0-0 8. Bd3 Bxd3 9. Qxd3 Nc6 10. Nbd2 Be7 11. Nxe5 Nxe5 12. fxe5 Nd5 13. Rf3 h6 14. Ne4 Rc8 15. Bd2 Nb4 16. Qb3 Nd5 17. Qd1 Qd7 18. Rg3 Kh8 19. Qg4 g5 20. Qh5 Kg7 21. Rf1 f5 22. Rh3 Rh8 23. a3 Qb5 24. b4 Qa4 25. Bc1 Qc2 26. Nc5 Bxc5 27. bxc5 Qa4 28. g4 f4 29. exf4 Qxd4+ 30. Kh1 gxf4 31. Rhf3 Qe4 32. g5 Qg6 33. gxh6+ Rxh6 34. Qxg6+ Rxg6 35. Bxf4 Nxf4 36. Rxf4 Kh7 37. Rf7+ Kh6 38. h3 1/2-1/2

[Event "Santa Catarina-ch (Women)"]
[Site "Lages"]
[Date "2020.02.14"]
[Round "2"]
[White "Da Costa, Mariana Nara Santan"]
[Black "Durante, Tauany Seidel"]
[Result "1-0"]
[ECO "D27"]
[BlackElo "1100"]
[PlyCount "47"]
[EventDate "2020.02.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Nf3 a6 5. e3 dxc4 6. Bxc4 b5 7. Be2 Bb7 8. a3 Nbd7 9. 0-0 c5 10. dxc5 Bxc5 11. Bd2 0-0 12. h3 Qc7 13. Rc1 Rac8 14. Na2 Qd6 15. Ba5 Qxd1 16. Rfxd1 Bd5 17. Nc3 Bb7 18. Na2 Bb6 19. Bxb6 Nxb6 20. Nd4 Rfd8 21. Rxc8 Rxc8 22. Rc1 Rxc1+ 23. Nxc1 Bd5 24. Kh2 1-0

[Event "Santa Catarina-ch (Women)"]
[Site "Lages"]
[Date "2020.02.14"]
[Round "1"]
[White "Steuck, Camilli"]
[Black "Da Costa, Mariana Nara Santan"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1251"]
[PlyCount "69"]
[EventDate "2020.02.14"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "BRA"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 d6 5. 0-0 Nf6 6. c3 0-0 7. h3 h6 8. Nbd2 Bd7 9. Bb3 Rc8 10. Re1 a6 11. Nf1 Ba7 12. d4 exd4 13. cxd4 Re8 14. Ng3 Ne7 15. Bd2 Nc6 16. Bc3 Ne7 17. Bc2 Ng6 18. Qd2 Nh7 19. Rad1 c5 20. d5 Rb8 21. Nh5 Ne5 22. Qe3 Nxf3+ 23. Qxf3 g6 24. Nf6+ Nxf6 25. Bxf6 Qc8 26. Qf4 Kh7 27. Qxd6 Ra8 28. Qf4 Bb8 29. e5 Qc7 30. Bb3 Rf8 31. Be7 g5 32. Qe4+ f5 33. exf6+ Kh8 34. Bxf8 Ba7 35. Bg7+ 1-0

