[Event "Liga Vallecaucana"]
[Site "Cali"]
[Date "2022.04.02"]
[Round "6.1"]
[White "Acosta, Mariana"]
[Black "Arango Arenas, Juan Camilo"]
[Result "0-1"]
[ECO "B55"]
[WhiteElo "1515"]
[BlackElo "2205"]
[PlyCount "66"]
[EventDate "2022.03.30"]
[EventType "schev"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Equipo B"]
[BlackTeam "Equipo A"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 e5 6. Nb3 d5 7. exd5 Nxd5 8. Bb5+ Nc6 9. Bxc6+ bxc6 10. Bd2 Be7 11. 0-0 Qb6+ 12. Kh1 0-0 13. Nc3 Rd8 14. Nxd5 cxd5 15. Ba5 Qd6 16. Bxd8 Bxd8 17. Qd2 Bc7 18. Rad1 Bb7 19. Qg5 h6 20. Qg3 Re8 21. Rfe1 Re6 22. a3 Qb6 23. Qh4 e4 24. fxe4 dxe4 25. Qh5 Re5 26. Qe2 e3 27. Rd7 Rg5 28. Rg1 Qc6 29. Rxc7 Qxc7 30. Nd4 Qf4 31. Nf3 Rg6 32. Re1 Rxg2 33. Kxg2 Qg4+ 0-1

[Event "Liga Vallecaucana"]
[Site "Cali"]
[Date "2022.04.02"]
[Round "7.1"]
[White "Ossa, Orlando Jose"]
[Black "Acosta, Mariana"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "2221"]
[BlackElo "1515"]
[PlyCount "73"]
[EventDate "2022.03.30"]
[EventType "schev"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Equipo A"]
[BlackTeam "Equipo B"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. h4 h5 5. Nh3 Bg7 6. Nf4 Nf6 7. Bg2 0-0 8. 0-0 d6 9. b3 a6 10. Bb2 Bf5 11. Re1 Rb8 12. d3 Qd7 13. e4 Bg4 14. f3 Be6 15. Nxe6 fxe6 16. Bh3 Nd4 17. Rf1 Ne8 18. Kg2 Nc7 19. Ne2 Qd8 20. Nxd4 cxd4 21. f4 Kh7 22. g4 hxg4 23. Qxg4 Qe8 24. Rf3 b5 25. Rc1 Rg8 26. cxb5 Nxb5 27. Qxe6 Nc3 28. Kh1 Rb5 29. f5 Re5 30. fxg6+ Qxg6 31. Qxg6+ Kxg6 32. Bf5+ Kh6 33. Rg1 Rh8 34. Bc1+ Kh5 35. Rxg7 Nxa2 36. Bg4+ Kxh4 37. Rh3# 1-0

[Event "Liga Vallecaucana"]
[Site "Cali"]
[Date "2022.04.01"]
[Round "4.1"]
[White "Acosta, Mariana"]
[Black "Balza Rodriguez, Oswaldo de Jesus"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1515"]
[BlackElo "2135"]
[PlyCount "74"]
[EventDate "2022.03.30"]
[EventType "schev"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Equipo B"]
[BlackTeam "Equipo A"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qd6 4. Bc4 Nf6 5. d3 a6 6. Nge2 b5 7. Bb3 Bb7 8. f3 Nbd7 9. Bf4 e5 10. Bg3 Qb6 11. Bf2 Bc5 12. Bxc5 Nxc5 13. Qd2 0-0 14. Ne4 Nfd7 15. h4 a5 16. Nxc5 Nxc5 17. c3 Rad8 18. Bc2 e4 19. d4 exf3 20. gxf3 Bxf3 21. Rh2 Qd6 22. Rf2 Bxe2 23. Rxe2 Qg3+ 24. Kd1 Qxh4 25. Rh2 Qg4+ 26. Kc1 Qg1+ 27. Bd1 Rfe8 28. Rg2 Qf1 29. Qg5 Nd3+ 30. Kd2 g6 31. Be2 Qxa1 32. Kxd3 Qb1+ 33. Kd2 Qxb2+ 34. Kd3 Qb1+ 35. Kd2 Qxa2+ 36. Kd3 b4 37. Qf6 c5 0-1

[Event "Liga Vallecaucana"]
[Site "Cali"]
[Date "2022.04.01"]
[Round "5.1"]
[White "Vanegas, Jhonny"]
[Black "Acosta, Mariana"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "2151"]
[BlackElo "1515"]
[PlyCount "47"]
[EventDate "2022.03.30"]
[EventType "schev"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Equipo A"]
[BlackTeam "Equipo B"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 d5 2. Nf3 Bf5 3. c4 e6 4. Nc3 Nf6 5. Bg5 Be7 6. e3 0-0 7. Rc1 c6 8. Be2 Nbd7 9. 0-0 dxc4 10. Bxc4 Nb6 11. Be2 Nfd5 12. Bxe7 Qxe7 13. a3 Rad8 14. Nb1 Bxb1 15. Rxb1 c5 16. Rc1 cxd4 17. Qxd4 h6 18. Qe4 Nf6 19. Qh4 e5 20. b4 e4 21. Nd4 Nbd5 22. Rc5 Rc8 23. Qg3 Rxc5 24. Nf5 1-0

[Event "Liga Vallecaucana"]
[Site "Cali"]
[Date "2022.03.31"]
[Round "2.1"]
[White "Acosta, Mariana"]
[Black "Gonzalez Velasco, Leandro"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1515"]
[BlackElo "2019"]
[PlyCount "70"]
[EventDate "2022.03.30"]
[EventType "schev"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Equipo B"]
[BlackTeam "Equipo A"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. 0-0 Nge7 5. c3 a6 6. Ba4 b5 7. Bc2 Bb7 8. d4 cxd4 9. cxd4 Nb4 10. Nc3 Nxc2 11. Qxc2 Rc8 12. Qd3 d5 13. e5 Ng6 14. Bg5 Qb6 15. Rac1 h6 16. Bd2 Be7 17. Ne2 0-0 18. Nf4 Nxf4 19. Bxf4 Qa5 20. a3 Rc4 21. Qe3 Rfc8 22. b4 Qd8 23. Rb1 Rc3 24. Qe1 Rxa3 25. Bd2 Qb6 26. Rc1 Rc4 27. h4 Rxf3 28. gxf3 Qxd4 29. f4 Qd3 30. f3 d4 31. Qf2 Bd5 32. Kh2 Bxh4 33. Qxh4 Qxd2+ 34. Rf2 Qxc1 35. Rg2 Rc2 0-1

[Event "Liga Vallecaucana"]
[Site "Cali"]
[Date "2022.03.31"]
[Round "3.1"]
[White "Simancas Maradei, Miguel Alejandro"]
[Black "Acosta, Mariana"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2038"]
[BlackElo "1515"]
[PlyCount "49"]
[EventDate "2022.03.30"]
[EventType "schev"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Equipo A"]
[BlackTeam "Equipo B"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Be7 5. cxd5 exd5 6. Bf4 c6 7. e3 Bf5 8. Bd3 Bxd3 9. Qxd3 0-0 10. 0-0 Nbd7 11. h3 Nb6 12. b3 Re8 13. Bh2 Bd6 14. Ne5 Nbd7 15. f4 Ne4 16. Nxe4 dxe4 17. Qc4 Qe7 18. Nxd7 Qxd7 19. g4 h5 20. f5 Bxh2+ 21. Kxh2 Qd6+ 22. Kg2 h4 23. Rf4 Rad8 24. Rd1 c5 25. g5 1-0

[Event "Liga Vallecaucana"]
[Site "Cali"]
[Date "2022.03.30"]
[Round "1.1"]
[White "Campos, Cristian1111"]
[Black "Acosta, Mariana"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1811"]
[BlackElo "1515"]
[PlyCount "65"]
[EventDate "2022.03.30"]
[EventType "schev"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]
[WhiteTeam "Equipo A"]
[BlackTeam "Equipo B"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. a4 d5 5. exd5 exd5 6. d4 c4 7. Be2 Be7 8. 0-0 Nf6 9. Ne5 0-0 10. f4 Nbd7 11. Kh1 Rb8 12. g4 Nb6 13. a5 Na8 14. Bf3 Nc7 15. Qe2 Bd7 16. g5 Nfe8 17. Nxd5 Nxd5 18. Bxd5 Bh3 19. Bg2 Bxg2+ 20. Kxg2 Nd6 21. c3 Rc8 22. Kh1 Nf5 23. Qg2 Rc7 24. Ra4 g6 25. Rxc4 Nh4 26. Qe4 Rxc4 27. Nxc4 Qc8 28. Ne3 Re8 29. Ng2 Bxg5 30. Qd5 Bf6 31. Nxh4 Bxh4 32. f5 gxf5 33. Bh6 1-0

[Event "COL-ch U1700"]
[Site "Pereira"]
[Date "2022.02.20"]
[Round "9"]
[White "Acosta, Mariana"]
[Black "Zuluaga Alzate, Gustavo"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1404"]
[BlackElo "1622"]
[PlyCount "63"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. Nc3 Nxc3 6. dxc3 Be7 7. Bc4 Nc6 8. 0-0 0-0 9. h3 Be6 10. Bd3 Ne5 11. Nxe5 dxe5 12. Qe2 Bd6 13. f4 exf4 14. Bxf4 Bxf4 15. Rxf4 Qg5 16. Qf3 Bd5 17. Qf2 Be6 18. Rf1 Qa5 19. Qg3 Qc5+ 20. Kh1 Qd6 21. Qh4 h6 22. Qh5 Qe7 23. Qe5 c6 24. Qe4 g6 25. Rf6 Rae8 26. Qh4 Kg7 27. Qd4 Kh7 28. Qe5 Qd7 29. Bxg6+ Kg8 30. Bd3 Bxh3 31. Qg3+ Bg4 32. Bf5 1-0

[Event "COL-ch U1700"]
[Site "Pereira"]
[Date "2022.02.20"]
[Round "8"]
[White "Pinzon, Luis Guillermo"]
[Black "Acosta, Mariana"]
[Result "1/2-1/2"]
[ECO "B43"]
[WhiteElo "1567"]
[BlackElo "1404"]
[PlyCount "188"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Nf6 7. Bg2 d6 8. Be3 Nbd7 9. 0-0 Be7 10. Rc1 0-0 11. a3 Rb8 12. a4 Ne5 13. Rb1 Bd7 14. h3 Nc4 15. Bc1 Nb6 16. Ra1 Rfc8 17. Re1 Bc6 18. Nxc6 bxc6 19. b3 c5 20. Bd2 Nbd7 21. Qe2 c4 22. Rab1 cxb3 23. cxb3 a5 24. Rec1 Nc5 25. Nb5 Qb6 26. Qe3 Ne8 27. Bf1 Nc7 28. Nxc7 Qxc7 29. Ba6 Rf8 30. Qe1 Bd8 31. Rc4 Qb6 32. Bb5 h6 33. h4 Qa7 34. Be3 Bb6 35. Qd2 Rfd8 36. Bf4 e5 37. Be3 Qb7 38. Qd5 Qa7 39. Kg2 Kh7 40. Rc3 Kg8 41. Bc4 Rf8 42. Rbc1 Rfd8 43. Kh3 h5 44. Kg2 Rf8 45. R1c2 Rfd8 46. Be2 g6 47. Bg5 Re8 48. Bc4 Kg7 49. Rf3 Ne6 50. Bf6+ Kh7 51. Rd3 Bc5 52. Rd1 Kg8 53. Qd2 Kh7 54. Bd5 Qb6 55. Kh3 Qa7 56. Bc6 Rec8 57. Bd5 Re8 58. Rf1 Bb4 59. Qd3 Bc5 60. Bg5 Nxg5+ 61. hxg5 Kg7 62. f4 exf4 63. Rxf4 Re7 64. Qf3 Be3 65. Rf6 Qd7+ 66. Kh4 Bd4 67. Rc6 Be5 68. Rc1 Rh8 69. Rf1 Rf8 70. Qe2 Bd4 71. Qf3 Be5 72. Qd1 Bc3 73. R1f4 Be5 74. Qf3 Bxf4 75. Rxf4 Rc8 76. Bc4 Rf8 77. Qc3+ Re5 78. Bb5 Qe7 79. Rf6 Rxe4+ 80. Rf4+ Re5 81. Rf6 Qb7 82. Rf3 Qe4+ 83. Kh3 Qg4+ 84. Kg2 Qxg5 85. Qxa5 Rc5 86. Qe1 Rc1 87. Qe2 Qc5 88. Rf2 Rc3 89. Bc4 Re3 90. Qb2+ Kg8 91. Qf6 d5 92. Be2 Rxb3 93. Bxh5 gxh5 94. Qg5+ Kh8 1/2-1/2

[Event "COL-ch U1700"]
[Site "Pereira"]
[Date "2022.02.19"]
[Round "7"]
[White "Acosta, Mariana"]
[Black "Rojas Mendoza, Joun Sun"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1404"]
[BlackElo "1665"]
[PlyCount "81"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. c3 Ne7 6. h3 Bf5 7. Nf3 0-0 8. 0-0 Nbc6 9. Bg5 f6 10. Bh4 Qd7 11. Bxf5 Nxf5 12. Qd3 g5 13. Bg3 Bxg3 14. fxg3 Nxg3 15. Re1 Ne4 16. Nbd2 f5 17. Qe3 f4 18. Qd3 Nxd2 19. Qxd2 Qg7 20. Re6 Rae8 21. Qe2 Re7 22. Rxe7 Nxe7 23. Re1 Nf5 24. Qe6+ Kh8 25. Qxd5 g4 26. hxg4 Qxg4 27. Qe5+ Ng7 28. Qxc7 h5 29. Qe7 Re8 30. Qh4 Rxe1+ 31. Qxe1 Nf5 32. Qe8+ Kh7 33. Qd7+ Kh6 34. Qe6+ Kh7 35. Qf7+ Ng7 36. Qf6 Qg3 37. Ng5+ Kg8 38. Qd8+ Ne8 39. Qxe8+ Kg7 40. Nf3 h4 41. Qe7+ 1-0

[Event "COL-ch U1700"]
[Site "Pereira"]
[Date "2022.02.19"]
[Round "6"]
[White "Reina Bonilla, Edwin Oswaldo"]
[Black "Acosta, Mariana"]
[Result "0-1"]
[ECO "E49"]
[WhiteElo "1652"]
[BlackElo "1404"]
[PlyCount "61"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. e3 Bb4 5. Bd3 0-0 6. a3 Bxc3+ 7. bxc3 b6 8. Ne2 Bb7 9. 0-0 dxc4 10. Bxc4 Nc6 11. f3 Ne7 12. Kh1 Rc8 13. Qd3 c5 14. e4 cxd4 15. cxd4 h6 16. Bb2 Ng6 17. Rad1 Qe7 18. Ba2 Rfd8 19. Rc1 Rxc1 20. Rxc1 Nh5 21. Qe3 Ba6 22. g4 Nf6 23. Nf4 Nxf4 24. Qxf4 Qd7 25. Rc7 Qb5 26. Qc1 Qe2 27. e5 Qxf3+ 28. Kg1 Qxg4+ 29. Kf2 Ne4+ 30. Ke3 Qe2+ 31. Kf4 0-1

[Event "COL-ch U1700"]
[Site "Pereira"]
[Date "2022.02.18"]
[Round "5"]
[White "Acosta, Mariana"]
[Black "Paez, Adolfo"]
[Result "1/2-1/2"]
[ECO "B52"]
[WhiteElo "1404"]
[BlackElo "1687"]
[PlyCount "68"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. 0-0 Nf6 6. Qe2 Nc6 7. c3 e5 8. Rd1 Be7 9. d4 cxd4 10. cxd4 exd4 11. Nxd4 Nxd4 12. Rxd4 0-0 13. Nc3 Rac8 14. h3 a6 15. Be3 Qe6 16. Rad1 Rc6 17. Bf4 Rfc8 18. Qd3 Bf8 19. Bxd6 Rxd6 20. Rxd6 Bxd6 21. Qxd6 Qxd6 22. Rxd6 h6 23. Nd5 Rc1+ 24. Kh2 Nxe4 25. Rb6 Nxf2 26. Rxb7 Nd3 27. Rb6 Rc2 28. Rxa6 Rxb2 29. Ra8+ Kh7 30. a4 Ne1 31. Ne3 Re2 32. Re8 Ra2 33. Ra8 Re2 34. Re8 Ra2 1/2-1/2

[Event "COL-ch U1700"]
[Site "Pereira"]
[Date "2022.02.18"]
[Round "4"]
[White "Moncada Cano, John Mario"]
[Black "Acosta, Mariana"]
[Result "0-1"]
[ECO "B43"]
[BlackElo "1404"]
[PlyCount "62"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 e6 3. Nf3 a6 4. d4 cxd4 5. Nxd4 Bb4 6. Bd2 Qc7 7. a3 Be7 8. Bd3 Nf6 9. h3 d6 10. 0-0 0-0 11. Re1 b5 12. b4 Bb7 13. Qe2 Nbd7 14. Nf3 Rac8 15. a4 bxa4 16. Rxa4 Nb6 17. Ra5 Nc4 18. Bxc4 Qxc4 19. Qxc4 Rxc4 20. b5 axb5 21. Rxb5 Bxe4 22. Nxe4 Nxe4 23. Rb7 Bf6 24. Rc1 Rfc8 25. Rcb1 d5 26. Be3 h6 27. Nd2 Nxd2 28. Bxd2 Rxc2 29. Rb8 Rxb8 30. Rxb8+ Kh7 31. Be1 Rc1 0-1

[Event "COL-ch U1700"]
[Site "Pereira"]
[Date "2022.02.17"]
[Round "3"]
[White "Acosta, Mariana"]
[Black "Herrera Machado, Juan Camilo"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "1404"]
[PlyCount "80"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Nf6 6. Nf3 Bg4 7. 0-0 e6 8. Bf4 Bd6 9. Bxd6 Qxd6 10. Re1 0-0 11. Nbd2 Ne7 12. Nf1 h6 13. Ng3 Rfd8 14. h3 Bh5 15. Nxh5 Nxh5 16. Ne5 Nf6 17. Qf3 b5 18. g4 b4 19. h4 Ng6 20. h5 Nf8 21. Qg3 N8h7 22. f4 bxc3 23. bxc3 Rac8 24. Rac1 Rc7 25. Kh1 Kh8 26. Rg1 Ne4 27. Bxe4 dxe4 28. Kh2 Rb8 29. g5 Rb2+ 30. Kh3 hxg5 31. fxg5 Qa6 32. Ng6+ fxg6 33. Qxc7 Rf2 34. Qb8+ Rf8 35. Qe5 Qe2 36. hxg6 Qh5+ 37. Kg2 Qf3+ 38. Kh2 Qh5+ 39. Kg2 Qf3+ 40. Kh2 Qh5+ 1/2-1/2

[Event "COL-ch U1700"]
[Site "Pereira"]
[Date "2022.02.17"]
[Round "2"]
[White "Bernal Perdomo, Francisco Jose"]
[Black "Acosta, Mariana"]
[Result "1-0"]
[ECO "B42"]
[WhiteElo "1643"]
[BlackElo "1404"]
[PlyCount "101"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. Be3 Nf6 7. Qe2 b5 8. 0-0 Bb7 9. Nd2 d6 10. f3 Nbd7 11. a3 Be7 12. c4 bxc4 13. Bxc4 0-0 14. Rac1 Qd8 15. Kh1 d5 16. exd5 Nxd5 17. Bxd5 Bxd5 18. Nc6 Bxc6 19. Rxc6 Nf6 20. Rd1 Nd5 21. Ne4 Qb8 22. Bf2 Qb3 23. g3 Rfb8 24. Rd2 h6 25. Kg2 a5 26. Bd4 Qb7 27. Rc4 Rd8 28. Rdc2 Rac8 29. Bf2 Nf6 30. Nxf6+ Bxf6 31. b4 axb4 32. Rxc8 Rxc8 33. Rxc8+ Qxc8 34. axb4 Qb7 35. b5 Qd5 36. b6 Qb7 37. g4 g5 38. Qe4 Qb8 39. b7 Be5 40. Bg3 Bxg3 41. hxg3 Kg7 42. Qd4+ e5 43. Qb6 Kh7 44. Kh3 Kg7 45. Qc6 Qa7 46. Qd5 Qa1 47. f4 exf4 48. b8Q Qf1+ 49. Qg2 Qa1 50. Qd5 Qf1+ 51. Qg2 1-0

[Event "COL-ch U1700"]
[Site "Pereira"]
[Date "2022.02.16"]
[Round "1"]
[White "Acosta, Mariana"]
[Black "Rincon Montoya, Samuel"]
[Result "1-0"]
[ECO "C00"]
[WhiteElo "1404"]
[PlyCount "45"]
[EventDate "2022.02.16"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 207 Extra"]
[Source "ChessBase"]
[SourceDate "2022.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.05.31"]
[SourceQuality "1"]

1. e4 e6 2. Nf3 d5 3. Nc3 Bb4 4. exd5 Bxc3 5. dxc3 exd5 6. Bd3 Nf6 7. 0-0 0-0 8. h3 g6 9. Bg5 c5 10. Re1 Nbd7 11. Qd2 Re8 12. Bb5 a6 13. Rxe8+ Qxe8 14. Bxd7 Nxd7 15. Re1 Ne5 16. Rxe5 Be6 17. Bf6 Qf8 18. Ng5 Re8 19. Qe1 Qd6 20. Qe3 b6 21. h4 h6 22. Nxe6 fxe6 23. Qxh6 1-0

[Event "COL Subzt 2.3.4 (Women)"]
[Site "Risarald"]
[Date "2021.11.28"]
[Round "9"]
[White "Acosta, Mariana"]
[Black "Rincon Fuquen, Angie Lizeth"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1421"]
[BlackElo "1537"]
[PlyCount "85"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 0-0 6. 0-0 a6 7. b4 Be7 8. Re1 d6 9. Bb3 Bg4 10. Nbd2 Qd7 11. Nf1 Rad8 12. Ne3 Be6 13. Nd5 h6 14. Qc2 Rfe8 15. h3 Qc8 16. Be3 Kh7 17. Kh2 Nd7 18. Rad1 Nf8 19. a3 Rd7 20. Ba4 Bd8 21. d4 b5 22. Bb3 Kg8 23. dxe5 dxe5 24. c4 Bxd5 25. cxd5 Nb8 26. Rc1 Ng6 27. Qb2 Qb7 28. Qc2 Be7 29. Red1 Bd6 30. Kg1 Kh7 31. Ne1 Rde7 32. Nd3 Nf8 33. Nc5 Qc8 34. Rf1 Nfd7 35. f4 exf4 36. Bxf4 Ne5 37. Bxe5 Bxe5 38. Nd3 Bd4+ 39. Kh1 g6 40. d6 Rd7 41. dxc7 Rxc7 42. Qxc7 Qxc7 43. Rxc7 1-0

[Event "COL Subzt 2.3.4 (Women)"]
[Site "Risarald"]
[Date "2021.11.27"]
[Round "8"]
[White "Gomez Araque, Laura Sofia"]
[Black "Acosta, Mariana"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "1254"]
[BlackElo "1421"]
[PlyCount "87"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. f3 b5 6. Nc3 Qc7 7. Be3 Nf6 8. Qd2 Bb4 9. g4 d5 10. Bd3 Bb7 11. g5 Nh5 12. h4 Nd7 13. a3 Be7 14. f4 dxe4 15. Bxe4 Ng3 16. Bxb7 Qxb7 17. Rg1 Nh5 18. 0-0-0 g6 19. Qg2 Qxg2 20. Rxg2 Rc8 21. Rgd2 Nb8 22. Kb1 0-0 23. Nce2 Ng7 24. Ng3 Nf5 25. Ndxf5 exf5 26. h5 Rfd8 27. Rxd8+ Rxd8 28. Rxd8+ Bxd8 29. h6 Kf8 30. Ka2 Ke7 31. Bd4 Bc7 32. Ne2 Nc6 33. Bg7 Ke6 34. Kb3 Ne7 35. c4 bxc4+ 36. Kxc4 Nd5 37. Nd4+ Kd7 38. Kxd5 Bxf4 39. Bf6 Bc1 40. Nb3 Be3 41. Nc5+ Ke8 42. Nxa6 f4 43. Ke4 Kd7 44. Be5 1-0

[Event "COL Subzt 2.3.4 (Women)"]
[Site "Risarald"]
[Date "2021.11.26"]
[Round "7"]
[White "Acosta, Mariana"]
[Black "Gomez Saenz, Manuela"]
[Result "1/2-1/2"]
[ECO "B54"]
[WhiteElo "1421"]
[BlackElo "1494"]
[PlyCount "90"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 Nc6 6. c4 e6 7. Nc3 a6 8. Be3 Be7 9. Be2 Qc7 10. 0-0 0-0 11. Qd2 b6 12. Rfd1 Bb7 13. Rac1 Rac8 14. Bf1 Ne5 15. b3 Rfd8 16. Qf2 Nfd7 17. Be2 Qb8 18. f4 Nc6 19. f5 Nxd4 20. Bxd4 Bf6 21. fxe6 fxe6 22. Bg4 Re8 23. Bf3 Rf8 24. Bxf6 Rxf6 25. Qg3 Ne5 26. Be2 Rcf8 27. Rd2 Rf4 28. Qe3 b5 29. cxb5 axb5 30. Nxb5 Rxe4 31. Qh3 Ng6 32. Bf3 Re3 33. Rc3 Re5 34. Nxd6 Ba6 35. Rc1 Qb6+ 36. Kh1 Qe3 37. Ne4 Rxe4 38. Bxe4 Qxd2 39. Qxe6+ Kh8 40. Rg1 Qxa2 41. Bxg6 hxg6 42. Qxg6 Bc8 43. Qh5+ Kg8 44. Qd5+ Kh8 45. Qh5+ Kg8 1/2-1/2

[Event "COL Subzt 2.3.4 (Women)"]
[Site "Risarald"]
[Date "2021.11.26"]
[Round "6"]
[White "Agudelo Zapata, Yarli Alejandra"]
[Black "Acosta, Mariana"]
[Result "1-0"]
[ECO "A45"]
[WhiteElo "1197"]
[BlackElo "1421"]
[PlyCount "135"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Bf4 c5 3. c3 cxd4 4. cxd4 Qb6 5. Qc2 Nc6 6. e3 d5 7. Nd2 Bg4 8. Be2 Bxe2 9. Nxe2 e6 10. a3 Be7 11. 0-0 0-0 12. Qb3 Qa6 13. Nc3 Na5 14. Qb5 Qxb5 15. Nxb5 a6 16. Nc3 Rac8 17. Rac1 Nc4 18. Nxc4 dxc4 19. Rc2 Rc6 20. Rfc1 Rfc8 21. f3 h6 22. e4 Rd8 23. Ne2 b5 24. a4 Rdc8 25. axb5 axb5 26. Nc3 b4 27. Nb1 Kh7 28. Be3 g5 29. Rd1 Rd8 30. Nd2 c3 31. bxc3 bxc3 32. Nb1 Bb4 33. Rd3 Kg6 34. Nxc3 Rdc8 35. Bd2 Rc4 36. Rc1 Ba3 37. Rb1 Bb4 38. Ne2 Bxd2 39. Rxd2 Rd8 40. Rbd1 Ra4 41. Nc1 Rb4 42. Nd3 Ra4 43. Ne5+ Kg7 44. d5 exd5 45. exd5 Rd6 46. Nc6 Rc4 47. Ne7 Rd7 48. d6 Ra4 49. Rc1 Ra6 50. Rc7 Ra7 51. Rxa7 Rxa7 52. Nc8 Rd7 53. Nb6 Rd8 54. Nc4 Ne8 55. d7 Nf6 56. Nb6 Kf8 57. Rd6 Ke7 58. Nc8+ Kf8 59. Rxf6 Rxd7 60. Rxh6 Kg7 61. Rc6 Rd1+ 62. Kf2 Rd2+ 63. Kg3 Rd3 64. Ne7 Rd2 65. Nf5+ Kg8 66. Nd6 Rd5 67. Ne4 Ra5 68. Rc5 1-0

[Event "COL Subzt 2.3.4 (Women)"]
[Site "Risarald"]
[Date "2021.11.25"]
[Round "5"]
[White "Acosta, Mariana"]
[Black "Sanchez, Rubiela"]
[Result "0-1"]
[ECO "B38"]
[WhiteElo "1421"]
[BlackElo "1606"]
[PlyCount "52"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 g6 6. c4 Bg7 7. Nc3 0-0 8. Be3 Nc6 9. Be2 Bd7 10. Qd2 Qa5 11. Rc1 Rfc8 12. 0-0 Ne5 13. b3 Rab8 14. h3 a6 15. f4 Nc6 16. f5 Nxd4 17. Bxd4 Nxe4 18. Qe3 Bxd4 19. Qxd4 Nxc3 20. Rxc3 Bxf5 21. Rcf3 Qc5 22. Qxc5 Rxc5 23. g4 Be6 24. Bd3 b5 25. cxb5 axb5 26. Kg2 Bd5 0-1

[Event "COL Subzt 2.3.4 (Women)"]
[Site "Risarald"]
[Date "2021.11.25"]
[Round "4"]
[White "Bastidas, Carina"]
[Black "Acosta, Mariana"]
[Result "0-1"]
[ECO "D05"]
[WhiteElo "1474"]
[BlackElo "1421"]
[PlyCount "66"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. e3 e6 4. a3 c5 5. b3 Bd6 6. Bd3 Nbd7 7. Bb2 a6 8. Nbd2 b5 9. c4 Rb8 10. Rb1 Bb7 11. 0-0 Ba8 12. Ne5 Qc7 13. f4 0-0 14. Qe2 Rfc8 15. Ndf3 Ne4 16. Nxd7 Qxd7 17. Ne5 Qe7 18. Rf3 f6 19. Ng4 cxd4 20. exd4 bxc4 21. bxc4 Bxa3 22. Bxa3 Qxa3 23. Bxe4 Qa4 24. Bc2 Qd7 25. Rxb8 Rxb8 26. Rg3 Kf8 27. Bxh7 dxc4 28. Bg8 Qxd4+ 29. Ne3 Rb1+ 30. Kf2 Rb2 31. Qxb2 Qxb2+ 32. Kf1 Kxg8 33. Nd1 Qd2 0-1

[Event "COL Subzt 2.3.4 (Women)"]
[Site "Risarald"]
[Date "2021.11.24"]
[Round "3"]
[White "Acosta, Mariana"]
[Black "Ramos Rocha, Natalia"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1421"]
[BlackElo "1173"]
[PlyCount "63"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 h6 5. c3 Bc5 6. 0-0 0-0 7. h3 d5 8. exd5 Nxd5 9. Re1 Re8 10. Nbd2 Bf5 11. Ne4 Bb6 12. Ng3 Bg6 13. Be3 Nxe3 14. fxe3 Qd6 15. Kh2 e4 16. dxe4 Qxd1 17. Raxd1 Bxe4 18. Nxe4 Rxe4 19. Nd4 Rae8 20. Rf1 Nd8 21. Bb3 Rxe3 22. Nf5 Re2 23. Rd7 Rf8 24. Ne7+ Kh7 25. Nc8 f6 26. Bc4 Rxb2 27. Bd3+ Kh8 28. Ne7 Re8 29. Re1 Rf8 30. Ng6+ Kg8 31. Nxf8 Kxf8 32. Bg6 1-0

[Event "COL Subzt 2.3.4 (Women)"]
[Site "Risarald"]
[Date "2021.11.24"]
[Round "2"]
[White "Diaz Gonzalez, Ana Sofia"]
[Black "Acosta, Mariana"]
[Result "1/2-1/2"]
[ECO "C02"]
[WhiteElo "1232"]
[BlackElo "1421"]
[PlyCount "53"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. c3 Nc6 4. d4 d5 5. e5 cxd4 6. cxd4 Qb6 7. Nc3 Bd7 8. Be2 Nge7 9. 0-0 Nf5 10. Na4 Qc7 11. Bf4 Be7 12. Rc1 0-0 13. Nc5 Bxc5 14. Rxc5 f6 15. Qd2 Qd8 16. exf6 Qxf6 17. Ne5 Nxe5 18. Bxe5 Qg6 19. Bd3 Bc6 20. Rfc1 Rf7 21. b4 a6 22. R1c3 h5 23. Bc2 Raf8 24. a4 Qg4 25. Bd1 Qg6 26. Bc2 Qg4 27. Bd1 1/2-1/2

[Event "COL Subzt 2.3.4 (Women)"]
[Site "Risarald"]
[Date "2021.11.23"]
[Round "1"]
[White "Acosta, Mariana"]
[Black "Toro Castaneda, Elizabeth"]
[Result "0-1"]
[ECO "B52"]
[WhiteElo "1421"]
[BlackElo "1945"]
[PlyCount "38"]
[EventDate "2021.11.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Qxd7 5. 0-0 Nf6 6. Re1 Nc6 7. c3 e5 8. d4 Be7 9. Bg5 h6 10. Bh4 g5 11. Bg3 cxd4 12. cxd4 g4 13. Nh4 Nxd4 14. Nc3 0-0-0 15. a4 Kb8 16. b4 Rc8 17. Qd3 Qe6 18. Rac1 Qc4 19. Qe3 Nh5 0-1

[Event "COL-ch sf (Women)"]
[Site "Santa Rosa"]
[Date "2021.08.16"]
[Round "9"]
[White "Acosta, Mariana"]
[Black "Medina Baquiro, Paula Andrea"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1245"]
[BlackElo "1251"]
[PlyCount "52"]
[EventDate "2021.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 0-0 6. 0-0 a6 7. Bb3 d6 8. h3 Ne7 9. Re1 Ba7 10. d4 exd4 11. cxd4 c6 12. Nc3 Be6 13. Bc2 d5 14. e5 Nd7 15. Ng5 h6 16. Nxe6 fxe6 17. Bxh6 Qe8 18. Qg4 Qf7 19. Rad1 Kh8 20. Be3 Nf5 21. Rf1 Rfe8 22. Ne2 Kg8 23. Ng3 Kf8 24. Nxf5 exf5 25. Bxf5 Qe7 26. Bxd7 Qxd7 1-0

[Event "COL-ch sf (Women)"]
[Site "Santa Rosa"]
[Date "2021.08.16"]
[Round "8"]
[White "Gomez Saenz, Manuela"]
[Black "Acosta, Mariana"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "1547"]
[BlackElo "1245"]
[PlyCount "40"]
[EventDate "2021.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. g3 Bb4 7. Nde2 Nf6 8. a3 Be7 9. Bg2 Nc6 10. 0-0 0-0 11. h3 b5 12. Be3 Bb7 13. f4 Na5 14. b3 d5 15. exd5 exd5 16. Nxd5 Nxd5 17. Bxd5 Rad8 18. Bxf7+ Kxf7 19. Qe1 Qc6 20. Qf2 Qh1# 0-1

[Event "COL-ch sf (Women)"]
[Site "Santa Rosa"]
[Date "2021.08.15"]
[Round "6"]
[White "Acosta, Mariana"]
[Black "Soto Ospina, Ana Maria"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1245"]
[BlackElo "1088"]
[PlyCount "53"]
[EventDate "2021.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. 0-0 Be6 7. Bb5 0-0 8. d4 exd4 9. cxd4 Bb6 10. d5 Nxe4 11. dxe6 Nxf2 12. Qe2 fxe6 13. Be3 Ne5 14. Nxe5 dxe5 15. Bxf2 Bxf2+ 16. Rxf2 Rxf2 17. Qxf2 Qd1+ 18. Bf1 Rf8 19. Qe2 Qd4+ 20. Kh1 Rf2 21. Qb5 c6 22. Qc4 Qg4 23. Nc3 Rf4 24. Qd3 Qg5 25. Rd1 h6 26. h3 Rd4 27. Qc2 1-0

[Event "COL-ch sf (Women)"]
[Site "Santa Rosa"]
[Date "2021.08.15"]
[Round "7"]
[White "Lopez Mahecha, Natalia"]
[Black "Acosta, Mariana"]
[Result "0-1"]
[ECO "B41"]
[WhiteElo "1099"]
[BlackElo "1245"]
[PlyCount "77"]
[EventDate "2021.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Qc7 6. Be2 Nf6 7. Nc3 Bb4 8. Bd2 0-0 9. Qc2 Nc6 10. Nxc6 dxc6 11. 0-0-0 e5 12. Qb3 Be7 13. Rhf1 b5 14. f4 b4 15. Na4 c5 16. fxe5 Qxe5 17. Nb6 Ra7 18. Nxc8 Rxc8 19. Rfe1 Qxe4 20. Bf3 Qg6 21. Be3 h6 22. a3 a5 23. Qa4 Qf5 24. axb4 Ng4 25. Bxc5 Bxc5 26. Re8+ Rxe8 27. Qxe8+ Bf8 28. b5 Qf4+ 29. Kb1 Re7 30. Qd8 Qxc4 31. Qxa5 Nf2 32. Rc1 Qd3+ 33. Ka1 Re5 34. Bc6 Qe3 35. Qc3 Qa7+ 36. Kb1 Rc5 37. Qe1 Nd3 38. Rxc5 Nxe1 39. Rc3 0-1

[Event "COL-ch sf (Women)"]
[Site "Santa Rosa"]
[Date "2021.08.14"]
[Round "4"]
[White "Acosta, Mariana"]
[Black "Caicedo Anguila, Juliana Andrea"]
[Result "0-1"]
[ECO "C02"]
[WhiteElo "1245"]
[BlackElo "1629"]
[PlyCount "32"]
[EventDate "2021.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Bd7 6. Be2 Nge7 7. a3 Ng6 8. b4 cxb4 9. axb4 Be7 10. Be3 0-0 11. 0-0 a6 12. Nbd2 Na7 13. Nb3 Nb5 14. Qd2 b6 15. Rfc1 Bc6 16. h3 Qd7 0-1

[Event "COL-ch sf (Women)"]
[Site "Santa Rosa"]
[Date "2021.08.14"]
[Round "5"]
[White "Herrera Rincon, Wilene"]
[Black "Acosta, Mariana"]
[Result "1-0"]
[ECO "B40"]
[WhiteElo "1638"]
[BlackElo "1245"]
[PlyCount "70"]
[EventDate "2021.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. g3 a6 4. Bg2 Nc6 5. 0-0 d5 6. e5 g6 7. Re1 Bg7 8. d3 Nge7 9. Nbd2 0-0 10. Nf1 b6 11. g4 Bb7 12. Ng3 Rb8 13. h4 Qc7 14. Qe2 Nd4 15. Nxd4 cxd4 16. Bg5 Nc6 17. Bf6 Rbc8 18. a3 Nb8 19. Rac1 Nd7 20. g5 Nc5 21. b3 h5 22. Nxh5 gxh5 23. Qxh5 Nd7 24. Bh3 Nxe5 25. Bxe5 Bxe5 26. g6 Bh2+ 27. Kh1 f5 28. Rxe6 Rce8 29. Bxf5 Bc8 30. Rxe8 Rxe8 31. Qh7+ Qxh7 32. gxh7+ Kh8 33. Bxc8 Rxc8 34. Kxh2 Kxh7 35. Kg3 Rg8+ 1-0

[Event "COL-ch sf (Women)"]
[Site "Santa Rosa"]
[Date "2021.08.13"]
[Round "2"]
[White "Acosta, Mariana"]
[Black "Guapacha Taborda, Laura Michell"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1245"]
[BlackElo "1385"]
[PlyCount "77"]
[EventDate "2021.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. 0-0 Be6 7. Bb5 0-0 8. d4 exd4 9. cxd4 a6 10. Ba4 Bc4 11. dxc5 Bxf1 12. Qxf1 Nxe4 13. cxd6 Qxd6 14. Bc2 Rae8 15. Nbd2 f5 16. Nc4 Qg6 17. Bb3 Kh8 18. Bf4 Qg4 19. Bxc7 f4 20. Rd1 Rf6 21. Nce5 Nxe5 22. Nxe5 Qh5 23. Qd3 Ng5 24. Qd7 Rff8 25. h4 Ne6 26. Bxe6 Rxe6 27. Nf7+ Qxf7 28. Qxf7 Rf6 29. Qe7 Kg8 30. Rd8 R6f7 31. Rxf8+ Rxf8 32. Qe6+ Rf7 33. Bxf4 h6 34. Be3 Kf8 35. Bc5+ Kg8 36. Qe8+ Kh7 37. Qxf7 Kh8 38. Bf8 Kh7 39. Qxg7# 1-0

[Event "COL-ch sf (Women)"]
[Site "Santa Rosa"]
[Date "2021.08.13"]
[Round "3"]
[White "Zapata, Olga Maria"]
[Black "Acosta, Mariana"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1641"]
[BlackElo "1245"]
[PlyCount "99"]
[EventDate "2021.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 b6 3. b3 Bb7 4. Bb2 e6 5. g3 d5 6. Bg2 Bd6 7. 0-0 0-0 8. Nbd2 Nbd7 9. c4 Re8 10. Ne5 c5 11. e3 Rb8 12. Rc1 Qc7 13. f4 Bxe5 14. fxe5 Ne4 15. Nxe4 dxe4 16. Qg4 Nf8 17. Bxe4 Ng6 18. Qf3 Bxe4 19. Qxe4 Rbc8 20. Rf2 cxd4 21. exd4 Rf8 22. Ba3 Rfe8 23. Bd6 Qd7 24. c5 bxc5 25. dxc5 Ne7 26. g4 Nd5 27. Rcf1 f6 28. h3 Red8 29. Re2 Re8 30. Rc2 a6 31. Rfc1 Qc6 32. b4 f5 33. gxf5 exf5 34. Qc4 Kh8 35. Re2 f4 36. Qe4 Qb5 37. Rb2 Ne3 38. Qxf4 Nd5 39. Qf7 Qd3 40. Qf2 Qxh3 41. Rb3 Qg4+ 42. Rg3 Qxb4 43. Qf7 Qd4+ 44. Qf2 Qh4 45. Qg2 Qd4+ 46. Kh1 Qh4+ 47. Rh3 Qd4 48. Rg1 Rg8 49. Rxh7+ Kxh7 50. Qh2+ 1-0

[Event "COL-ch sf (Women)"]
[Site "Santa Rosa"]
[Date "2021.08.12"]
[Round "1"]
[White "Dominguez, Laura Lucia"]
[Black "Acosta, Mariana"]
[Result "1-0"]
[ECO "B41"]
[WhiteElo "1955"]
[BlackElo "1245"]
[PlyCount "57"]
[EventDate "2021.08.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 204 Extra"]
[Source "ChessBase"]
[SourceDate "2021.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2021.11.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nf6 6. Nc3 Qc7 7. a3 Be7 8. Be2 Nc6 9. 0-0 0-0 10. Be3 b6 11. Nxc6 dxc6 12. f4 Bb7 13. e5 Nd7 14. b4 f6 15. Bg4 f5 16. Bf3 c5 17. b5 a5 18. Bxb7 Qxb7 19. Qf3 Qc7 20. Rad1 Rfd8 21. Qc6 Qa7 22. Qxe6+ Kf8 23. Qxf5+ Kg8 24. Qe6+ Kf8 25. Ne4 h6 26. f5 Qc7 27. f6 gxf6 28. Bxh6+ Ke8 29. Nd6+ 1-0

[Event "Feria de las Flores 28th"]
[Site "Medellin"]
[Date "2021.08.08"]
[Round "8"]
[White "Acosta, Mariana"]
[Black "Garces Trujillo, Luis Javier"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1245"]
[BlackElo "1898"]
[PlyCount "72"]
[EventDate "2021.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Be7 4. c3 Nf6 5. d3 0-0 6. 0-0 d5 7. exd5 Nxd5 8. Re1 Nb6 9. Bb3 Bg4 10. h3 Bh5 11. Qe2 Bd6 12. Nbd2 Qd7 13. Ne4 Kh8 14. Ng3 Bg6 15. Nh4 Na5 16. Nxg6+ fxg6 17. Bc2 Nd5 18. Ne4 Nf4 19. Bxf4 exf4 20. Qf3 Qb5 21. b4 Nc6 22. d4 Rae8 23. Nxd6 cxd6 24. Rxe8 Rxe8 25. Qxf4 Qe2 26. Rc1 Ne7 27. Qf7 Ng8 28. Bb3 Nf6 29. Qxb7 Ne4 30. Qf7 Nf6 31. Qxa7 Qd2 32. Rc2 Re1+ 33. Kh2 Qf4+ 34. g3 Ng4+ 35. Kg2 Ne3+ 36. Kh2 Rh1+ 0-1

[Event "Feria de las Flores 28th"]
[Site "Medellin"]
[Date "2021.08.07"]
[Round "6"]
[White "Acosta, Mariana"]
[Black "Mogollon Tobar, Nicolle Juliet"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1245"]
[BlackElo "1748"]
[PlyCount "50"]
[EventDate "2021.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. g3 Nf6 5. Bg2 c6 6. Nge2 Bf5 7. b4 Qc7 8. 0-0 e6 9. Rb1 Bd6 10. a4 0-0 11. h3 Bg6 12. d3 Nbd7 13. Be3 Nb6 14. Nf4 Rfe8 15. Nxg6 hxg6 16. a5 Nbd5 17. Nxd5 Nxd5 18. Bxd5 exd5 19. Kg2 Bxg3 20. fxg3 Rxe3 21. Rf3 Rae8 22. Qf1 f5 23. c4 dxc4 24. dxc4 Qe5 25. c5 Qe4 0-1

[Event "Feria de las Flores 28th"]
[Site "Medellin"]
[Date "2021.08.07"]
[Round "7"]
[White "Hurtado Paez, Andres Jesus"]
[Black "Acosta, Mariana"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "1549"]
[BlackElo "1245"]
[PlyCount "102"]
[EventDate "2021.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. Nc3 a6 4. d4 cxd4 5. Nxd4 Qc7 6. Be3 Bb4 7. Qd2 Nf6 8. f3 b5 9. a3 Be7 10. Nce2 Nc6 11. Nxc6 dxc6 12. Nf4 Bb7 13. Nd3 c5 14. Qc3 Rc8 15. Bf4 Qb6 16. Be2 0-0 17. Nf2 c4 18. Be3 Qc7 19. 0-0 Bd6 20. h3 Nh5 21. Ng4 f5 22. e5 Be7 23. Nh2 Ng3 24. Rfe1 Bc5 25. Nf1 f4 26. Bxc5 Qxc5+ 27. Kh2 Qf2 28. Rad1 Nxe2 29. Rxe2 Qxe2 30. Re1 Qf2 31. Kh1 Rf5 32. Nh2 Rh5 33. Rf1 Qc5 34. Ng4 Rd8 35. Qa5 Qd4 36. Kh2 Qd2 37. Qc7 Bc8 38. Qe7 Qd7 39. Qc5 Rf5 40. Qf2 h5 41. Qc5 hxg4 42. fxg4 Rff8 43. h4 Qd5 44. Qe7 Qxe5 45. Rf3 Qf6 46. Qc7 Qxh4+ 47. Rh3 Qxg4 48. Qe5 Bb7 49. g3 Rd2+ 50. Kg1 Qd1+ 51. Qe1 Qxe1# 0-1

[Event "Feria de las Flores 28th"]
[Site "Medellin"]
[Date "2021.08.06"]
[Round "5"]
[White "Acosta, Mariana"]
[Black "Pena, Alcides"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1245"]
[BlackElo "1634"]
[PlyCount "65"]
[EventDate "2021.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. 0-0 0-0 7. h3 h6 8. Re1 Be6 9. Bb5 a6 10. Ba4 b5 11. Bc2 Ne7 12. d4 exd4 13. cxd4 Bb4 14. Nc3 Ng6 15. Bd2 c6 16. a3 Ba5 17. b4 Bc7 18. e5 Nd5 19. Bxg6 fxg6 20. exd6 Qxd6 21. Ne4 Qd8 22. Rc1 Bd7 23. Nc5 Nb6 24. Ne5 Bc8 25. Nxg6 Qd6 26. Nxf8 Qh2+ 27. Kf1 Bxh3 28. Qf3 Rxf8 29. Qxh3 Qd6 30. Qe6+ Kh8 31. Qxd6 Bxd6 32. Ne6 Rf6 33. Rxc6 1-0

[Event "Feria de las Flores 28th"]
[Site "Medellin"]
[Date "2021.08.06"]
[Round "4"]
[White "Gonzalez Mojica, Renan Arturo"]
[Black "Acosta, Mariana"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1656"]
[BlackElo "1245"]
[PlyCount "67"]
[EventDate "2021.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 b6 3. Nf3 Bb7 4. g3 e6 5. Bg2 d5 6. Nc3 Bd6 7. 0-0 0-0 8. cxd5 exd5 9. Qd3 Re8 10. Nh4 Nbd7 11. Bg5 h6 12. Bd2 Ne4 13. f3 Nxd2 14. Qxd2 Nf6 15. Rfe1 a6 16. Nf5 Qd7 17. Bh3 Qd8 18. g4 Bf8 19. Kh1 c5 20. dxc5 bxc5 21. g5 hxg5 22. Qxg5 g6 23. Rg1 Nh7 24. Nh6+ Bxh6 25. Qxh6 Qf6 26. Rg4 Qg7 27. Qf4 Rad8 28. Rag1 Bc8 29. R4g3 Bxh3 30. Rxh3 Nf6 31. Qa4 d4 32. Ne4 Nxe4 33. fxe4 Rxe4 34. Qxa6 1/2-1/2

[Event "Feria de las Flores 28th"]
[Site "Medellin"]
[Date "2021.08.04"]
[Round "1"]
[White "Chavez Duero, Brayan Steven"]
[Black "Acosta, Mariana"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "2026"]
[BlackElo "1245"]
[PlyCount "107"]
[EventDate "2021.08.04"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Be7 5. Be3 Nf6 6. Nd2 d6 7. Be2 0-0 8. 0-0 Bd7 9. c3 Ne5 10. h3 c5 11. Nc2 Bc6 12. f4 Ng6 13. Bd3 b5 14. Ne1 d5 15. e5 Ne4 16. Nef3 Qc7 17. Qc2 Nxd2 18. Bxd2 Rad8 19. Rae1 Rfe8 20. e6 fxe6 21. Bxg6 hxg6 22. Rxe6 Bf6 23. Rxe8+ Bxe8 24. Be3 Bf7 25. Qf2 Rc8 26. g4 a5 27. g5 Be7 28. Nh4 Rf8 29. f5 gxf5 30. Qxf5 Qc6 31. Qd3 c4 32. Qd4 Be6 33. Rxf8+ Bxf8 34. Ng6 Bxh3 35. Nf4 Be6 36. Qe5 Bf7 37. Bd4 a4 38. Kf1 Kh8 39. Qf5 Kg8 40. g6 Be8 41. Qh5 Bxg6 42. Nxg6 Qe8 43. Qh8+ Kf7 44. Nxf8 Qxf8 45. Qxf8+ Kxf8 46. Kf2 g6 47. Ke3 Kf7 48. Be5 Ke6 49. Kd4 g5 50. Bb8 g4 51. Bg3 Kf6 52. Kxd5 Kf5 53. Kc5 Ke4 54. Kxb5 1-0

[Event "Antioquia op"]
[Site "Antioquia"]
[Date "2020.03.08"]
[Round "9"]
[White "Paladines Pinzon, Samuel"]
[Black "Acosta, Mariana"]
[Result "1/2-1/2"]
[ECO "B38"]
[WhiteElo "1375"]
[BlackElo "1199"]
[PlyCount "29"]
[EventDate "2020.03.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 c5 3. e4 Nc6 4. Nge2 g6 5. d4 cxd4 6. Nxd4 Bg7 7. Be3 d6 8. f3 0-0 9. Qd2 Re8 10. 0-0-0 Bd7 11. g4 Ne5 12. g5 Nh5 13. f4 Ng4 14. h3 Nxe3 15. Qxe3 1/2-1/2

[Event "Antioquia op"]
[Site "Antioquia"]
[Date "2020.03.07"]
[Round "8"]
[White "Acosta, Mariana"]
[Black "Olier Robayo, Mishelle Dayana"]
[Result "0-1"]
[ECO "B30"]
[WhiteElo "1199"]
[BlackElo "1367"]
[PlyCount "26"]
[EventDate "2020.03.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. 0-0 a6 5. Bxc6 bxc6 6. c3 d6 7. d4 cxd4 8. cxd4 d5 9. e5 c5 10. Be3 cxd4 11. Nxd4 Bd7 12. Nc3 Ne7 13. Kh1 Qb8 0-1

[Event "Antioquia op"]
[Site "Antioquia"]
[Date "2020.03.07"]
[Round "7"]
[White "Larrea Munera, Johan Darwin"]
[Black "Acosta, Mariana"]
[Result "0-1"]
[ECO "B23"]
[WhiteElo "1406"]
[BlackElo "1199"]
[PlyCount "100"]
[EventDate "2020.03.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. f4 Nc6 4. Nf3 Bg7 5. Bc4 d6 6. 0-0 e6 7. d3 Nge7 8. Qe1 0-0 9. f5 gxf5 10. Qh4 Ng6 11. Qh3 f4 12. g3 e5 13. Qg2 Kh8 14. gxf4 exf4 15. Nd5 Na5 16. Bb3 Nxb3 17. axb3 Bh6 18. Ne1 Rg8 19. Kh1 Nh4 20. Qf2 Bh3 21. Rg1 Rxg1+ 22. Qxg1 f3 23. Bxh6 Bg2+ 24. Nxg2 fxg2+ 25. Qxg2 Nxg2 26. Kxg2 Qh4 27. Bf4 Rg8+ 28. Bg3 h5 29. Rf1 Qg5 30. Rxf7 Qg6 31. Rf6 Qg5 32. Rf5 Qh6 33. Kh3 Rf8 34. Bf4 Qe6 35. Nc7 Qd7 36. Kh4 Rxf5 37. exf5 Qxc7 38. f6 Qf7 39. Bg5 Kh7 40. Kh3 Qe6+ 41. Kg2 Qg4+ 42. Kf2 Qxg5 43. f7 Qf5+ 44. Ke2 Qxf7 45. Kd2 Qf2+ 46. Kc3 Qxh2 47. b4 cxb4+ 48. Kxb4 Qxc2 49. b3 Qxd3 50. Ka4 h4 0-1

[Event "Antioquia op"]
[Site "Antioquia"]
[Date "2020.03.06"]
[Round "6"]
[White "Acosta, Mariana"]
[Black "Areiza Tabares, Samuel Andres"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1199"]
[BlackElo "1570"]
[PlyCount "42"]
[EventDate "2020.03.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[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. c3 Nf6 5. d3 d6 6. Nbd2 0-0 7. 0-0 h6 8. Re1 a6 9. Bb3 Ba7 10. h3 Re8 11. Nf1 Be6 12. Bc2 d5 13. Qe2 b5 14. Rd1 Qe7 15. Ng3 Rad8 16. Be3 d4 17. cxd4 Nxd4 18. Nxd4 Bxd4 19. Bxd4 Rxd4 20. a3 Red8 21. Rac1 c5 0-1

[Event "Antioquia op"]
[Site "Antioquia"]
[Date "2020.03.06"]
[Round "5"]
[White "Restrepo Rivera, Salome"]
[Black "Acosta, Mariana"]
[Result "0-1"]
[ECO "B20"]
[BlackElo "1199"]
[PlyCount "70"]
[EventDate "2020.03.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 g6 3. d4 cxd4 4. Qxd4 Nf6 5. e5 Nc6 6. Bxf7+ Kxf7 7. Qc4+ Kg7 8. exf6+ exf6 9. Nc3 Bb4 10. Bd2 Re8+ 11. Nge2 d6 12. 0-0-0 Be6 13. Qf4 a5 14. Qh6+ Kg8 15. a3 b5 16. Nxb5 Bxd2+ 17. Rxd2 Qb6 18. a4 Bc4 19. Ned4 Nxd4 20. Nxd4 Rab8 21. b3 Rec8 22. Re1 Bxb3 23. Ne6 Bxe6 24. Kd1 Bc4 25. Rde2 Bxe2+ 26. Rxe2 Qb1+ 27. Qc1 Qxc1+ 28. Kxc1 Rb4 29. Re6 f5 30. Rxd6 Rxa4 31. Rd3 Rac4 32. c3 Rxc3+ 33. Rxc3 Rxc3+ 34. Kd2 Rc8 35. Ke3 a4 0-1

[Event "Antioquia op"]
[Site "Antioquia"]
[Date "2020.03.04"]
[Round "3"]
[White "Gonzalez Ramirez, Juanita"]
[Black "Acosta, Mariana"]
[Result "0-1"]
[ECO "B27"]
[WhiteElo "1163"]
[BlackElo "1199"]
[PlyCount "72"]
[EventDate "2020.03.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 g6 3. Nf3 Bg7 4. c3 Nc6 5. d4 cxd4 6. cxd4 Qb6 7. Be3 Qxb2 8. Nbd2 Nxd4 9. Nxd4 Bxd4 10. Bxd4 Qxd4 11. Rc1 Nf6 12. Qe2 0-0 13. 0-0 d6 14. Rfe1 Bg4 15. Qe3 Qb2 16. e5 dxe5 17. Qxe5 Qxd2 18. Qxe7 Rae8 19. Bxf7+ Rxf7 20. Qxe8+ Nxe8 21. Rxe8+ Rf8 22. Ree1 Qxf2+ 23. Kh1 Qxa2 24. h3 Bf5 25. Ra1 Qd2 26. Rad1 Qb2 27. g4 Bc2 28. Rd2 Be4+ 29. Rxe4 Qxd2 30. Kg1 Qf2+ 31. Kh1 Rc8 32. Re1 Qxe1+ 33. Kg2 Rc2+ 34. Kf3 Rf2+ 35. Kg3 Rf1+ 36. Kg2 Qf2# 0-1

[Event "Antioquia op"]
[Site "Antioquia"]
[Date "2020.03.03"]
[Round "1"]
[White "Valera Padilla, Federico Jose"]
[Black "Acosta, Mariana"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "1838"]
[BlackElo "1199"]
[PlyCount "33"]
[EventDate "2020.03.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. c4 Bg7 6. Be3 Nf6 7. Nc3 0-0 8. Be2 e6 9. Ndb5 Ne8 10. 0-0 a6 11. Nd4 Nc7 12. Nxc6 dxc6 13. Qxd8 Rxd8 14. Rad1 Bd7 15. Bb6 Rac8 16. Na4 g5 17. Nc5 1-0

[Event "Pan American-ch School U11 Girls"]
[Site "Medellin"]
[Date "2019.11.16"]
[Round "8.1"]
[White "Brito Carrascal, Isabela"]
[Black "Acosta, Mariana"]
[Result "1-0"]
[ECO "B27"]
[WhiteElo "1589"]
[BlackElo "1192"]
[PlyCount "107"]
[EventDate "2019.11.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 Nc6 6. c4 Bg7 7. Nc2 d6 8. Nc3 a6 9. Be3 Be6 10. Nd4 Qc8 11. Nxe6 Qxe6 12. Nd5 Rc8 13. Rc1 Ne5 14. Qb3 Nxd5 15. exd5 Qd7 16. Be2 0-0 17. 0-0 f5 18. Rfd1 f4 19. Bd4 Rf5 20. Kh1 Rh5 21. a3 Rf8 22. c5 Qf5 23. Qxb7 Rh6 24. Qxa6 Qh5 25. Bg1 dxc5 26. Rxc5 g5 27. d6 Qh4 28. Rc8 g4 29. Rxf8+ Bxf8 30. Bc4+ Kg7 31. Be2 gxf3 32. Bxf3 Nxf3 33. gxf3 Qh3 34. Qe2 exd6 35. Qg2+ Qxg2+ 36. Kxg2 Re6 37. Rd2 Re8 38. Bd4+ Kg6 39. Bc3 Rd8 40. Rd5 Kf7 41. Rf5+ Ke6 42. Rxf4 d5 43. Ra4 Kf5 44. Rd4 Bg7 45. Rd3 d4 46. Bd2 Rb8 47. b4 Ra8 48. b5 Rb8 49. a4 Ra8 50. a5 Be5 51. b6 Ra6 52. Rb3 Bb8 53. Rb5+ Ke6 54. Rh5 1-0

[Event "Pan American-ch School U11 Girls"]
[Site "Medellin"]
[Date "2019.11.12"]
[Round "2.2"]
[White "Oblitas Calle, Alexa Domenik"]
[Black "Acosta, Mariana"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "1289"]
[BlackElo "1192"]
[PlyCount "101"]
[EventDate "2019.11.12"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. c3 d6 3. Nf3 Nf6 4. Be2 g6 5. 0-0 Bg7 6. Re1 0-0 7. Bc4 Nc6 8. d4 Bg4 9. h3 Bxf3 10. Qxf3 cxd4 11. Rd1 dxc3 12. Nxc3 Ne5 13. Qe2 Qc7 14. Bb3 Rac8 15. Nb5 Qc6 16. Nxa7 Qd7 17. Nxc8 Rxc8 18. Bf4 Nh5 19. Bh2 Qe8 20. f4 Nc6 21. Ba4 Nd4 22. Bxe8 Nxe2+ 23. Kf2 Nexf4 24. Ba4 Rc4 25. Bb3 Rxe4 26. Kf3 Re2 27. Bxf4 Nxf4 28. g3 Rg2 29. gxf4 Rxb2 30. Rab1 Rh2 31. Kg3 Re2 32. Re1 Rxe1 33. Rxe1 e6 34. Rc1 Bd4 35. Rc8+ Kg7 36. Rc7 d5 37. Rxb7 Bf6 38. a4 d4 39. Bxe6 Kh6 40. Rxf7 Bg7 41. a5 d3 42. a6 d2 43. Bb3 Bd4 44. a7 Bxa7 45. Rxa7 g5 46. fxg5+ Kxg5 47. Rxh7 Kg6 48. Bc2+ Kg5 49. Rf7 Kh6 50. Kh4 d1Q 51. Rh7# 1-0

[Event "COL-ch U12 Girls"]
[Site "Cali"]
[Date "2019.06.24"]
[Round "9.3"]
[White "Acosta, Mariana"]
[Black "Valencia Lopez, Greissy Sofia"]
[Result "1-0"]
[ECO "B55"]
[WhiteElo "1167"]
[BlackElo "1257"]
[PlyCount "101"]
[EventDate "2019.06.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 a6 6. c4 e5 7. Nc2 Be7 8. Nc3 Nc6 9. Be3 Be6 10. Be2 Rb8 11. Qd2 Qc7 12. Rc1 0-0 13. 0-0 Rfd8 14. Rfd1 Rd7 15. Bf1 Qd8 16. Qf2 Qe8 17. Nd5 b5 18. Nb6 Rdb7 19. cxb5 axb5 20. Bxb5 Bd8 21. Na3 Rxb6 22. Qd2 Rxb5 23. Nxb5 Rxb5 24. a4 Rb8 25. Qxd6 Bb6 26. Bxb6 Rxb6 27. a5 Ra6 28. b4 Nb8 29. Qxe5 Rc6 30. b5 Rxc1 31. Rxc1 h6 32. a6 Kh7 33. a7 Nbd7 34. Qc7 Qa8 35. b6 Ne8 36. Qc6 Qxc6 37. Rxc6 Nxb6 38. Rxb6 Nc7 39. Rb8 Kg6 40. a8Q Nxa8 41. Rxa8 Kg5 42. Kf2 g6 43. Ra5+ Kf6 44. g4 Kg7 45. h4 Kh7 46. Kg3 Kg7 47. f4 f6 48. f5 gxf5 49. exf5 Bc4 50. Ra7+ Kg8 51. Kf4 1-0

[Event "COL-ch U12 Girls"]
[Site "Cali"]
[Date "2019.06.23"]
[Round "7.4"]
[White "Acosta, Mariana"]
[Black "Brito Carrascal, Isabela"]
[Result "0-1"]
[ECO "B43"]
[WhiteElo "1167"]
[BlackElo "1411"]
[PlyCount "24"]
[EventDate "2019.06.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Nc3 Qc7 6. Be3 Nf6 7. f4 Bb4 8. Bd3 Bxc3+ 9. bxc3 Qxc3+ 10. Bd2 Qxd4 11. Rb1 Nxe4 12. Rb4 Qf2# 0-1

[Event "COL-ch U12 Girls"]
[Site "Cali"]
[Date "2019.06.23"]
[Round "8.3"]
[White "Diaz Cabarcas, Maria Alejandra"]
[Black "Acosta, Mariana"]
[Result "1/2-1/2"]
[ECO "B72"]
[WhiteElo "1237"]
[BlackElo "1167"]
[PlyCount "26"]
[EventDate "2019.06.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 a6 7. Bc4 b5 8. Bd3 Nbd7 9. h3 Bg7 10. Qd2 h5 11. h4 Bb7 12. a3 Rc8 13. f3 Ne5 1/2-1/2

[Event "COL-ch U12 Girls"]
[Site "Cali"]
[Date "2019.06.22"]
[Round "6.2"]
[White "Agudelo Zapata, Yarli Alejandra"]
[Black "Acosta, Mariana"]
[Result "1/2-1/2"]
[ECO "A30"]
[WhiteElo "1200"]
[BlackElo "1167"]
[PlyCount "104"]
[EventDate "2019.06.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. c4 b6 2. Nc3 Bb7 3. Nf3 c5 4. g3 Nf6 5. Bg2 g6 6. 0-0 Bg7 7. d3 0-0 8. Bf4 d6 9. Qc2 Nbd7 10. Rad1 Ng4 11. h3 Nge5 12. Bxe5 Nxe5 13. Nxe5 Bxg2 14. Kxg2 Bxe5 15. e3 Qc8 16. d4 cxd4 17. exd4 Bg7 18. Nd5 Qb7 19. Kg1 e6 20. Ne3 d5 21. cxd5 exd5 22. Qb3 Rad8 23. a4 Rfe8 24. Rd2 Re4 25. Rfd1 Bh6 26. Rd3 Qd7 27. g4 Qd6 28. Qa3 Bxe3 29. Rxe3 Qf4 30. Rxe4 Qxe4 31. Qe3 Re8 32. Re1 Kg7 33. Qxe4 dxe4 34. Kg2 f5 35. Kg3 Kf6 36. Re2 Rc8 37. b3 Rc1 38. Kg2 Rd1 39. a5 bxa5 40. Ra2 Rxd4 41. Rxa5 Rb4 42. Rxa7 h6 43. gxf5 Kxf5 44. Ra5+ Kf4 45. Ra6 Kg5 46. Ra5+ Kh4 47. Ra6 Kh5 48. Ra4 Rxb3 49. Rxe4 Rb5 50. Kg3 Rb3+ 51. Re3 Rb5 52. Re4 Rb3+ 1/2-1/2

[Event "COL-ch U12 Girls"]
[Site "Cali"]
[Date "2019.06.21"]
[Round "5.5"]
[White "Acosta, Mariana"]
[Black "Arias Lopez, Maria Angel"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1167"]
[BlackElo "1161"]
[PlyCount "124"]
[EventDate "2019.06.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nf3 Be6 8. Be2 Be7 9. h3 Nbd7 10. Qd2 0-0 11. 0-0 Nc5 12. Bd3 Nxd3 13. Qxd3 b5 14. Ng5 Bd7 15. f4 exf4 16. Bxf4 Nh5 17. Nxh7 Nxf4 18. Rxf4 Kxh7 19. e5+ Kg8 20. exd6 Qb6+ 21. Kh1 Qxd6 22. Rd4 Qc6 23. Rxd7 Rfd8 24. Rd1 Rxd7 25. Qxd7 Qxd7 26. Rxd7 Re8 27. Ra7 Bd6 28. g4 b4 29. Na4 Re1+ 30. Kg2 Re2+ 31. Kf3 Rxc2 32. Rxa6 Be5 33. Rb6 Bxb2 34. Rxb4 Ba3 35. Rb3 Rh2 36. Kg3 Bd6+ 37. Kf3 Rxh3+ 38. Kg2 Rh2+ 39. Kf3 Rxa2 40. Nc3 Ra3 41. Rxa3 Bxa3 42. Nd5 Kh7 43. Ke4 Kg6 44. Kf3 Kg5 45. Nc7 Kh4 46. Ne8 g6 47. Nc7 Kg5 48. Nd5 Bc1 49. Ne7 Kf6 50. Nd5+ Ke5 51. Ne7 Bg5 52. Nc6+ Kd5 53. Nb4+ Kd6 54. Nc2 Ke5 55. Nb4 f5 56. gxf5 Kxf5 57. Nc6 Bf6 58. Nb4 g5 59. Nc2 g4+ 60. Kg3 Be5+ 61. Kg2 Ke4 62. Ne1 Ke3 0-1

[Event "COL-ch U12 Girls"]
[Site "Cali"]
[Date "2019.06.21"]
[Round "4.1"]
[White "Nunez Correcha, Daniela"]
[Black "Acosta, Mariana"]
[Result "1-0"]
[ECO "B55"]
[WhiteElo "1219"]
[BlackElo "1167"]
[PlyCount "63"]
[EventDate "2019.06.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 g6 6. c4 Qb6 7. Nc3 Nc6 8. Nc2 Bg7 9. Be2 Bd7 10. Qd3 Rc8 11. Be3 Qd8 12. Qd2 h5 13. 0-0 0-0 14. Kh1 Kh7 15. f4 Bg4 16. f5 Ne5 17. b3 Bxe2 18. Qxe2 Neg4 19. Rac1 Nxe3 20. Nxe3 Bh6 21. Rce1 Qa5 22. Ncd5 Nxe4 23. Nxe7 Rce8 24. N7d5 Qc5 25. Qd3 Qa5 26. Re2 Bxe3 27. Rxe3 Nc5 28. Qc3 Qxc3 29. Rxc3 Kh6 30. Rcf3 Kg7 31. Nc7 Rc8 32. Nb5 1-0

[Event "COL-ch U12 Girls"]
[Site "Cali"]
[Date "2019.06.20"]
[Round "2.2"]
[White "Acosta, Mariana"]
[Black "Riano Espinoza, Laura Sofia"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1167"]
[BlackElo "1480"]
[PlyCount "137"]
[EventDate "2019.06.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 d6 6. Bb3 Bg4 7. h3 Bh5 8. Bg5 h6 9. Bh4 0-0 10. g4 Bg6 11. g5 hxg5 12. Bxg5 Na5 13. Bc2 Bb6 14. Nbd2 Re8 15. Nh4 Bh5 16. Ndf3 d5 17. Qe2 d4 18. c4 Nc6 19. 0-0-0 Nb4 20. Kb1 Nxc2 21. Qxc2 Qd6 22. Rhg1 Nh7 23. Qd2 Re6 24. Rde1 Bc5 25. Ref1 Qb6 26. Nf5 Bxf3 27. Bh6 g6 28. h4 Bb4 29. Qc1 Ba3 30. Ng7 Rf6 31. h5 Kf8 32. hxg6 fxg6 33. Nh5+ Kf7 34. Nxf6 Nxf6 35. Ka1 Be7 36. Qg5 Rg8 37. Qxe5 Ng4 38. Qf4+ Qf6 39. Bg5 Qxf4 40. Bxf4 c6 41. Rg3 Nh2 42. Re1 Bh4 43. Rh3 Nf1 44. Rxf3 Ne3 45. Bxe3+ Ke6 46. Bxd4 Be7 47. Bc3 g5 48. Rg3 g4 49. f3 Bh4 50. Rxg4 Rxg4 51. fxg4 Bxe1 52. Bxe1 Ke5 53. Bc3+ Kf4 54. Kb1 Kxg4 55. Kc2 b6 56. d4 Kf4 57. d5 cxd5 58. exd5 Kf5 59. Kd3 a6 60. Bd4 b5 61. c5 Kg6 62. c6 Kf7 63. d6 Ke8 64. d7+ Ke7 65. Bb6 Kd6 66. d8Q+ Kxc6 67. Kd4 Kb7 68. Qc7+ Ka8 69. Qc8# 1-0

[Event "COL-ch U12 Girls"]
[Site "Cali"]
[Date "2019.06.20"]
[Round "3.5"]
[White "Cardona, Marisol"]
[Black "Acosta, Mariana"]
[Result "0-1"]
[ECO "B72"]
[WhiteElo "1233"]
[BlackElo "1167"]
[PlyCount "78"]
[EventDate "2019.06.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 a6 7. f3 Nbd7 8. Qd2 h5 9. Be2 b5 10. a3 Bb7 11. 0-0-0 Rc8 12. h3 Bg7 13. g4 Ne5 14. gxh5 Nxh5 15. Rdg1 Nc4 16. Bxc4 Rxc4 17. Nde2 b4 18. Qd3 Qc8 19. b3 Rc6 20. axb4 Bxc3 21. Nxc3 Rxc3 22. Qd2 Rxb3 23. Rg5 Qc3 24. Qxc3 Rxc3 25. Bd4 Ra3 26. Bxh8 f6 27. Rgg1 Rxf3 28. Rxg6 Bxe4 29. Rg4 d5 30. Rhg1 Rf2 31. Rh4 Rxc2+ 32. Kd1 Rb2 33. Rxh5 Rb1+ 34. Kd2 Rxg1 35. Kc3 Rc1+ 36. Kb3 Rc4 37. Bg7 Bg6 38. Rxd5 Rh4 39. Rd3 Bxd3 0-1

[Event "COL-ch U12 Girls"]
[Site "Cali"]
[Date "2019.06.19"]
[Round "1.4"]
[White "Bonilla Barreiro, Maria Jose"]
[Black "Acosta, Mariana"]
[Result "0-1"]
[ECO "B90"]
[WhiteElo "1491"]
[BlackElo "1167"]
[PlyCount "88"]
[EventDate "2019.06.19"]
[EventType "tourn"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 191 Extra"]
[Source "ChessBase"]
[SourceDate "2019.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2019.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Bc4 a6 7. h3 Nbd7 8. Be3 b5 9. Bb3 Bb7 10. a3 Nxe4 11. Nxe4 Bxe4 12. f3 Bb7 13. Qd2 h5 14. 0-0 Bg7 15. Bg5 0-0 16. Bh6 Kh7 17. Bxg7 Kxg7 18. Qg5 Qb6 19. c3 e5 20. Rad1 exd4 21. Rxd4 Nc5 22. Bc2 Ne6 23. Qe3 Nxd4 24. cxd4 Rfe8 25. Qd3 Rac8 26. Kh1 Qc7 27. Bd1 Qc4 28. Qxc4 Rxc4 29. d5 Rc1 30. Be2 Rxf1+ 31. Bxf1 Re1 32. Kg1 Rb1 33. b4 Bxd5 34. Kf2 Bc4 35. Bxc4 bxc4 36. Ke2 d5 37. Kd2 Rb3 38. a4 Rxb4 39. a5 d4 40. Kc2 c3 41. Kd1 d3 42. Kc1 c2 43. Kd2 Rc4 44. Kxd3 c1Q 0-1

[Event "COL-ch sf3 U12"]
[Site "Moniquira"]
[Date "2019.05.26"]
[Round "6.7"]
[White "Acosta, Mariana"]
[Black "Susunaga Duran, Madelen Fernanda"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1178"]
[BlackElo "1030"]
[PlyCount "40"]
[EventDate "2019.05.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 d6 5. c3 Nf6 6. Bb3 0-0 7. h3 h6 8. g4 d5 9. Qe2 Be6 10. g5 hxg5 11. Bxg5 Be7 12. Rg1 g6 13. Bh6 Re8 14. Nh4 Bf8 15. Bg5 Bg7 16. Nd2 Kf8 17. 0-0-0 Ke7 18. Kb1 d4 19. c4 Kd7 20. Ba4 Bxh3 1/2-1/2

[Event "COL-ch sf3 U12"]
[Site "Moniquira"]
[Date "2019.05.25"]
[Round "4.7"]
[White "Acosta, Mariana"]
[Black "Cardona, Marisol"]
[Result "0-1"]
[ECO "A20"]
[WhiteElo "1178"]
[PlyCount "13"]
[EventDate "2019.05.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nf6 3. Bg2 Nc6 4. Nf3 Bc5 5. 0-0 0-0 6. d3 d5 7. Nc3 0-1

[Event "COL-ch sf3 U12"]
[Site "Moniquira"]
[Date "2019.05.25"]
[Round "5.10"]
[White "Vega, Jhon Alejandro"]
[Black "Acosta, Mariana"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1342"]
[BlackElo "1178"]
[PlyCount "60"]
[EventDate "2019.05.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 g6 3. Nf3 Bg7 4. e3 Nf6 5. Bd3 0-0 6. c3 b6 7. Nbd2 Bb7 8. 0-0 Nbd7 9. Qc2 Nh5 10. Bg5 Nhf6 11. Bxf6 Bxf6 12. e4 dxe4 13. Nxe4 Bg7 14. Ned2 Nf6 15. Rae1 Rc8 16. Be4 Nxe4 17. Nxe4 Qd5 18. Ned2 c5 19. Qe4 Qxe4 20. Nxe4 Ba6 21. Ng3 Bxf1 22. Kxf1 e6 23. Re3 cxd4 24. cxd4 Rc2 25. Ra3 Rxb2 26. Rxa7 Rc8 27. Ra3 Rc1+ 28. Ne1 Rbb1 29. Re3 Bxd4 30. Re2 Bc3 0-1

[Event "COL-ch sf3 U12"]
[Site "Moniquira"]
[Date "2019.05.24"]
[Round "2.7"]
[White "Gomez Gomez, Maria Camila"]
[Black "Acosta, Mariana"]
[Result "0-1"]
[ECO "B72"]
[WhiteElo "1371"]
[BlackElo "1178"]
[PlyCount "76"]
[EventDate "2019.05.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 g6 7. f3 Nbd7 8. Qd2 h5 9. Bc4 b5 10. Bb3 Bb7 11. 0-0-0 Rc8 12. Kb1 Bg7 13. Bg5 Ne5 14. f4 Nc4 15. Bxc4 Rxc4 16. e5 Ne4 17. Nxe4 Bxe4 18. Nf3 Rxc2 19. Qxc2 Bxc2+ 20. Kxc2 Qc7+ 21. Kb1 0-0 22. Rc1 Qb8 23. Rc6 dxe5 24. fxe5 Bxe5 25. Rxa6 Bg7 26. Bxe7 Re8 27. Bg5 Qb7 28. Rd6 Qe4+ 29. Kc1 Rc8+ 30. Kd1 Qc2+ 31. Ke1 Re8+ 32. Kf1 Qc4+ 33. Kg1 Qc5+ 34. Kf1 Qxd6 35. Kf2 Qc5+ 36. Kg3 Be5+ 37. Kh4 Qc4+ 38. Kh3 Qg4# 0-1

[Event "COL-ch sf3 U12"]
[Site "Moniquira"]
[Date "2019.05.24"]
[Round "3.1"]
[White "Leon Acevedo, Juan Alejandro"]
[Black "Acosta, Mariana"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "1920"]
[BlackElo "1178"]
[PlyCount "43"]
[EventDate "2019.05.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 c6 3. g3 Bf5 4. Bg2 h6 5. 0-0 Nf6 6. b3 e6 7. c4 Nbd7 8. Bb2 Be7 9. Nc3 Qb6 10. Qd2 0-0 11. Rac1 dxc4 12. bxc4 Bb4 13. Rfd1 Ne4 14. Qe3 Bxc3 15. Bxc3 Ndf6 16. h3 Rad8 17. Ba1 Rfe8 18. Ne5 Ng5 19. g4 Be4 20. h4 Bxg2 21. hxg5 Ne4 22. gxh6 1-0

[Event "COL-ch sf3 U12"]
[Site "Moniquira"]
[Date "2019.05.23"]
[Round "1.9"]
[White "Acosta, Mariana"]
[Black "Melgarejo Suarez, Aritna Valentina"]
[Result "1-0"]
[ECO "C65"]
[WhiteElo "1178"]
[BlackElo "1256"]
[PlyCount "115"]
[EventDate "2019.05.23"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. d3 h6 5. Bxc6 dxc6 6. Nbd2 Bc5 7. Nc4 Bd6 8. Bd2 Bg4 9. Ne3 Bxf3 10. Qxf3 Qd7 11. Qe2 0-0-0 12. a3 Bc5 13. b4 Bd4 14. Rb1 Bxe3 15. Bxe3 Ng4 16. Bxa7 b6 17. a4 Kb7 18. Bxb6 cxb6 19. b5 cxb5 20. Rxb5 Nf6 21. 0-0 Qd4 22. Rfb1 Rd6 23. a5 Nd7 24. Qe1 Ra8 25. R1b4 Qxb4 26. Qxb4 Rc6 27. h3 Ra6 28. c4 Kc7 29. c5 bxc5 30. Qb3 Ra7 31. Rb6 Nxb6 32. axb6+ Rxb6 33. Qxf7+ Kb8 34. Qg8+ Kb7 35. Qxg7+ Ka6 36. Qxe5 Rb1+ 37. Kh2 Kb6 38. Qb8+ Rb7 39. Qd6+ Kb5 40. Qxh6 Rd7 41. e5 Rd1 42. e6 Rd6 43. f4 R1xd3 44. f5 c4 45. Qg5 R6d5 46. e7 Re5 47. f6 Rxg5 48. e8Q+ Kb4 49. f7 Rf5 50. f8Q+ Rxf8 51. Qxf8+ Kb3 52. h4 c3 53. Qf7+ Kb2 54. Qb7+ Ka3 55. Qa6+ Kb2 56. Qxd3 c2 57. Qxc2+ Kxc2 58. h5 1-0

[Event "COL-ch U12 sf1"]
[Site "Duitama"]
[Date "2019.04.13"]
[Round "4.8"]
[White "Acosta, Mariana"]
[Black "Barreno, Juan Sebastian"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1174"]
[BlackElo "1336"]
[PlyCount "79"]
[EventDate "2019.04.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 0-0 6. Bb3 d6 7. h3 Be6 8. Bc2 d5 9. Qe2 Re8 10. Bg5 h6 11. Bh4 a5 12. g4 g5 13. Bg3 Bd6 14. h4 Bxg4 15. hxg5 Nh5 16. Nbd2 a4 17. gxh6 Qf6 18. Bh4 Qxh6 19. Rg1 Kf8 20. Rxg4 Nf4 21. Qf1 Re6 22. Qg1 Rg6 23. Bg5 Qg7 24. Nh4 Nh3 25. Nxg6+ fxg6 26. Qg2 Nxg5 27. Rxg5 Ne7 28. Ke2 Kf7 29. Rg1 c6 30. exd5 Nxd5 31. Qf3+ Nf4+ 32. Kd1 Ke7 33. Ne4 Bc7 34. Qe3 Ra5 35. Ng3 Qg8 36. Nf5+ Kf6 37. Nh4 Qh7 38. Nxg6 Nh3 39. Qf3+ Kg7 40. Qf8# 1-0

[Event "COL-ch U12 sf1"]
[Site "Duitama"]
[Date "2019.04.12"]
[Round "2.3"]
[White "Acosta, Mariana"]
[Black "Olaya, Horacio"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1174"]
[BlackElo "1434"]
[PlyCount "39"]
[EventDate "2019.04.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 a6 6. b4 Ba7 7. Nbd2 d6 8. Qb3 Qe7 9. Ng5 Nd8 10. a4 Ng4 11. d4 Qxg5 12. Nf3 Qg6 13. 0-0 0-0 14. Qc2 exd4 15. cxd4 Nc6 16. Qc3 Qxe4 17. Re1 Bxd4 18. Nxd4 Qxd4 19. Bb2 Qxc3 20. Bxc3 0-1

[Event "COL-ch U12 sf1"]
[Site "Duitama"]
[Date "2019.04.12"]
[Round "3.13"]
[White "Melgarejo Suarez, Aritna Valentina"]
[Black "Acosta, Mariana"]
[Result "0-1"]
[ECO "C47"]
[WhiteElo "1300"]
[BlackElo "1174"]
[PlyCount "76"]
[EventDate "2019.04.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. a3 Bc5 5. Nxe5 0-0 6. Nxc6 dxc6 7. d3 Ng4 8. Be3 Nxe3 9. fxe3 Bxe3 10. Qe2 Bd4 11. Qd2 Be6 12. 0-0-0 b5 13. h4 a5 14. Ne2 a4 15. Qb4 c5 16. Qxb5 Rb8 17. Qxa4 Rxb2 18. Nxd4 cxd4 19. Kxb2 Qb8+ 20. Qb4 Qa7 21. Kc1 Rb8 22. Qe7 Qa5 23. g3 Ba2 24. Qb4 Rxb4 25. axb4 Qxb4 26. Bh3 Qa3+ 27. Kd2 Qc3+ 28. Kc1 c5 29. Rh2 c4 30. dxc4 Bxc4 31. Bf1 Bxf1 32. Rxf1 Qa1+ 33. Kd2 Qxf1 34. Re2 Qf3 35. e5 Qxg3 36. Re4 Qc3+ 37. Kc1 d3 38. Ra4 Qxc2# 0-1

[Event "COL-ch U12 sf1"]
[Site "Duitama"]
[Date "2019.04.11"]
[Round "1.16"]
[White "Caicedo Gomez, Tiana Paola"]
[Black "Acosta, Mariana"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1233"]
[BlackElo "1174"]
[PlyCount "78"]
[EventDate "2019.04.11"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "COL"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Nbd2 0-0 8. a3 Ba5 9. b4 Nxb4 10. 0-0 Nc6 11. Nb3 Bb6 12. a4 a5 13. d5 Nb4 14. Bb2 Nxe4 15. Bd4 Bxd4 16. Nfxd4 d6 17. Qf3 Ng5 18. Qg3 Qf6 19. h4 Ne4 20. Qe3 Qxh4 21. g3 Qg4 22. Nd2 Nc5 23. Be2 Qg6 24. Rad1 Bd7 25. N2f3 Rfe8 26. Qf4 Bxa4 27. Nh4 Nxd5 28. Qd2 Qf6 29. Rde1 Bd7 30. Qd1 a4 31. Bh5 Reb8 32. f4 b5 33. f5 b4 34. Qf3 Qxd4+ 35. Kh1 b3 36. Bxf7+ Kxf7 37. Qh5+ Kg8 38. f6 Nxf6 39. Rd1 Bc6+ 0-1

[Event "Pan American-ch U08 Girls"]
[Site "Cali"]
[Date "2015.07.03"]
[Round "9"]
[White "Cabrera Novoa, Roxana"]
[Black "Acosta, Mariana"]
[Result "1-0"]
[ECO "C49"]
[PlyCount "25"]
[EventDate "2015.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bb5 Bb4 5. Nd5 Nxe4 6. Nxb4 Nxb4 7. Nxe5 0-0 8. Qg4 Nxc2+ 9. Kd1 Nxa1 10. Qxe4 d6 11. Nf3 Be6 12. Qb1 c6 13. Bd3 1-0

[Event "Pan American-ch U08 Girls"]
[Site "Cali"]
[Date "2015.07.02"]
[Round "7"]
[White "Conde Mares, Vanya Briseyda"]
[Black "Acosta, Mariana"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "57"]
[EventDate "2015.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. Nc3 0-0 6. Bg5 d6 7. h3 b6 8. 0-0 Bb7 9. Re1 Nd4 10. a3 Nxf3+ 11. Qxf3 Bd4 12. Rab1 c6 13. Bxf6 gxf6 14. Qg3+ Kh8 15. Qf3 Rg8 16. Kh1 b5 17. Bxf7 Rg7 18. Ba2 c5 19. Nd5 Qg8 20. Nxf6 Qf8 21. c3 Rg6 22. cxd4 Rxf6 23. Qg3 Rg6 24. Qh4 Rh6 25. Qg3 cxd4 26. Rf1 Rg6 27. Qh4 Bc8 28. Rbc1 Rh6 29. Qg3 0-1

[Event "Pan American-ch U08 Girls"]
[Site "Cali"]
[Date "2015.07.01"]
[Round "5"]
[White "Acosta, Mariana"]
[Black "Agudelo Zapata, Yarli Alejandra"]
[Result "1-0"]
[ECO "C01"]
[PlyCount "63"]
[EventDate "2015.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Qe2+ Qe7 5. Be3 Nf6 6. Nc3 Nc6 7. Nf3 Bf5 8. 0-0-0 Qd7 9. Qd2 0-0-0 10. Bb5 Bb4 11. Ne5 Qe7 12. Bxc6 bxc6 13. Nxc6 Qe6 14. Nxd8 Rxd8 15. f3 Qe7 16. g4 Ba3 17. Bf4 Kd7 18. gxf5 Bxb2+ 19. Kxb2 Rb8+ 20. Ka1 Qb4 21. Rb1 Qf8 22. Be5 Qc8 23. Bxf6 gxf6 24. Rhe1 Rb6 25. Nxd5 Ra6 26. Ne7 Qa8 27. Qb4 Rb6 28. Qd2 Ra6 29. Qe2 Ra3 30. Nd5 Qxd5 31. Qe7+ Kc6 32. Qxa3 1-0

[Event "Pan American-ch U08 Girls"]
[Site "Cali"]
[Date "2015.07.01"]
[Round "6"]
[White "Acosta, Mariana"]
[Black "Norena Flores, Nasya Yamila"]
[Result "0-1"]
[ECO "B23"]
[BlackElo "1591"]
[PlyCount "106"]
[EventDate "2015.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. Bc4 Nf6 4. d3 g6 5. Be3 Bg7 6. Qd2 0-0 7. 0-0-0 Nc6 8. f3 Bd7 9. g4 Nd4 10. h4 Qa5 11. h5 b5 12. hxg6 bxc4 13. gxh7+ Kh8 14. Bh6 Ne6 15. Bxg7+ Kxg7 16. Qh2 Kh8 17. Nge2 Rab8 18. dxc4 Qb4 19. b3 Nd4 20. Nxd4 cxd4 21. Rxd4 Qxc3 22. Rdd1 Qxf3 23. Rdg1 Qxe4 24. g5 Nxh7 25. g6 Qe3+ 26. Kd1 Qh3 27. Qf2 fxg6 28. Qd4+ e5 29. Qxa7 Qe6 30. Qe3 Rf7 31. Qh6 Rg8 32. Rf1 Rxf1+ 33. Rxf1 Qh3 34. Qxh3 Bxh3 35. Rh1 Bg4+ 36. Ke1 Bf3 37. Rh3 Be4 38. Re3 Bxc2 39. Rc3 Bb1 40. Kd2 g5 41. Ke3 g4 42. Kf2 g3+ 43. Kg2 Be4+ 44. Kg1 g2 45. Re3 Rg4 46. Re2 Bf3 47. Rxg2 Rxg2+ 48. Kh1 Rxa2+ 49. Kg1 Ng5 50. Kf1 Nh3 51. Ke1 e4 52. Kf1 e3 53. Ke1 Ra1# 0-1

[Event "Pan American-ch U08 Girls"]
[Site "Cali"]
[Date "2015.06.30"]
[Round "4"]
[White "Munoz Duenas, Elizabeth"]
[Black "Acosta, Mariana"]
[Result "1/2-1/2"]
[ECO "C50"]
[PlyCount "55"]
[EventDate "2015.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Nc3 Ng4 5. 0-0 Bc5 6. d3 Bxf2+ 7. Kh1 0-0 8. Qe2 Qf6 9. Bg5 Qg6 10. h3 Qh5 11. Nd1 Bb6 12. Be3 Nd4 13. Qd2 d6 14. Re1 Nxf3 15. gxf3 Qxh3+ 16. Kg1 Bxe3+ 17. Nxe3 Nh2 18. Qg2 Qh6 19. Ng4 Bxg4 20. fxg4 c6 21. g5 Qh5 22. c3 Nf3+ 23. Kf1 Nxe1 24. Rxe1 Kh8 25. Re3 Qd1+ 26. Re1 Qh5 27. d4 f5 28. Be2 1/2-1/2

[Event "Pan American-ch U08 Girls"]
[Site "Cali"]
[Date "2015.06.29"]
[Round "3"]
[White "Acosta, Mariana"]
[Black "Valencia Lopez, Greissy Sofia"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "49"]
[EventDate "2015.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. g3 e6 4. Bg2 Be7 5. Nge2 Nf6 6. 0-0 0-0 7. d3 Nc6 8. Bg5 h6 9. Bxf6 Bxf6 10. Nf4 e5 11. Nh5 Bg5 12. f4 exf4 13. gxf4 Bh4 14. Na4 Ne7 15. c3 Qc7 16. d4 Bg4 17. Qd3 Bxh5 18. f5 cxd4 19. cxd4 Nc6 20. Qh3 Qd8 21. f6 Bxf6 22. Qxh5 Bxd4+ 23. Kh1 Qd7 24. a3 Nb4 25. axb4 1-0

[Event "Pan American-ch U08 Girls"]
[Site "Cali"]
[Date "2015.06.29"]
[Round "2"]
[White "Guevara Cornejo, Marina"]
[Black "Acosta, Mariana"]
[Result "0-1"]
[ECO "C54"]
[PlyCount "40"]
[EventDate "2015.06.28"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2017"]
[Source "ChessBase"]
[SourceDate "2016.10.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.10.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. c3 Bc5 5. d4 exd4 6. cxd4 Bxd4 7. Bg5 0-0 8. e5 Bxe5 9. 0-0 Bxb2 10. Bh4 Bxa1 11. Bd3 g6 12. Nc3 Bxc3 13. Qc1 Ba5 14. Bxf6 Qxf6 15. Re1 Bxe1 16. Nxe1 Re8 17. Nf3 d6 18. Qc4 Qa1+ 19. Ne1 Qxe1+ 20. Bf1 Ne5 0-1

