[Event "COL-chT (Women)"]
[Site "Risaralda"]
[Date "2023.11.23"]
[Round "7.1"]
[White "Argote Heredia, Valentina"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "2200"]
[BlackElo "1473"]
[PlyCount "57"]
[EventDate "2023.11.19"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]
[WhiteTeam "Valle (W)"]
[BlackTeam "Atlantico (W)"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bc5 7. a4 Rb8 8. c3 d6 9. d4 Bb6 10. a5 Ba7 11. h3 h6 12. Be3 Ra8 13. Re1 0-0 14. Nbd2 Bd7 15. Nf1 Re8 16. Ng3 exd4 17. Nxd4 Bxd4 18. cxd4 Re7 19. Qf3 Nh7 20. Nf5 Bxf5 21. Qxf5 Nb8 22. Rac1 Qe8 23. e5 dxe5 24. dxe5 Nf8 25. Bc5 Rd7 26. Bxf8 Qxf8 27. e6 Re7 28. exf7+ Rxf7 29. Rxc7 1-0

[Event "COL-chT (Women)"]
[Site "Risaralda"]
[Date "2023.11.22"]
[Round "6.1"]
[White "Morales Perez, Ghisell"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1/2-1/2"]
[ECO "C46"]
[WhiteElo "1702"]
[BlackElo "1473"]
[PlyCount "114"]
[EventDate "2023.11.19"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]
[WhiteTeam "Norte de Santander (W)"]
[BlackTeam "Atlantico (W)"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 g6 4. Be2 Bg7 5. d3 Nge7 6. 0-0 0-0 7. Be3 d6 8. h3 f5 9. exf5 Bxf5 10. Qd2 Qd7 11. Bh6 d5 12. Bxg7 Kxg7 13. Nh2 Rf7 14. Bg4 Raf8 15. Rae1 Qd6 16. a3 a6 17. Ne2 h5 18. Bxf5 Nxf5 19. Nf3 Rf6 20. Qg5 Re6 21. Ng3 Nxg3 22. Qxg3 Rfe8 23. Nh4 Kh7 24. Nf3 Kg7 25. Ng5 Rf6 26. c3 Re7 27. Kh1 Kh6 28. h4 Kg7 29. Kg1 Nd8 30. b4 Nf7 31. Nf3 Kh6 32. Re3 e4 33. Qxd6 Nxd6 34. Nd2 Nf5 35. Ree1 Nxh4 36. dxe4 dxe4 37. Rxe4 Rxe4 38. Nxe4 Rc6 39. Rc1 b6 40. c4 Re6 41. f3 Nf5 42. Kf2 Nd6 43. Nd2 Nf5 44. Rc3 Nd4 45. Ne4 Nc6 46. Ke3 Ne7 47. Kd4 g5 48. a4 Kg6 49. c5 h4 50. b5 axb5 51. axb5 Kf5 52. cxb6 cxb6 53. Rc2 Re5 54. Rb2 Rd5+ 55. Ke3 Re5 56. Kd4 Rd5+ 57. Ke3 Re5 1/2-1/2

[Event "COL-chT (Women)"]
[Site "Risaralda"]
[Date "2023.11.21"]
[Round "5.2"]
[White "Hernandez Sandoval, Silvia Nathalia"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1276"]
[BlackElo "1473"]
[PlyCount "61"]
[EventDate "2023.11.19"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]
[WhiteTeam "Santander (W)"]
[BlackTeam "Atlantico (W)"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. c3 Nf6 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb4+ 9. Bd2 Nxd2 10. Nbxd2 0-0 11. 0-0 Ne7 12. a3 Bxd2 13. Qxd2 c6 14. Bd3 Bf5 15. Rac1 Qd7 16. Rfe1 Ng6 17. Bxf5 Qxf5 18. Qb4 Rab8 19. Re3 Nf4 20. Rcc3 Rfe8 21. g3 Qg4 22. Qb3 Re6 23. Rc1 Rg6 24. Kh1 Qh3 25. Rg1 Ne6 26. Qc3 Ng5 27. Nxg5 Rxg5 28. g4 Qh4 29. Reg3 Rg6 30. g5 Qf4 31. Qe3 1/2-1/2

[Event "COL-chT (Women)"]
[Site "Risaralda"]
[Date "2023.11.21"]
[Round "4.2"]
[White "Mercado Maestre, Maria Angel"]
[Black "Zambrano, Karina"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "1473"]
[BlackElo "1724"]
[PlyCount "85"]
[EventDate "2023.11.19"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]
[WhiteTeam "Atlantico (W)"]
[BlackTeam "Caldas (W)"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Nf6 6. Nc3 Bb4 7. a3 Be7 8. Be3 0-0 9. Nf3 Nbd7 10. Be2 Qc7 11. 0-0 Bd6 12. h3 Rd8 13. c5 Be7 14. b4 Nd5 15. Nxd5 exd5 16. Qd2 Nf8 17. Bf4 Qd7 18. a4 Bf6 19. Bd6 Re8 20. b5 Ng6 21. bxc6 bxc6 22. Rab1 Qd8 23. Rb4 Qa5 24. Rfb1 Bf5 25. Bd3 Bxd3 26. Qxd3 h6 27. Qf5 Rad8 28. Ne5 Bxe5 29. dxe5 Qa6 30. Rb7 Nh8 31. R1b4 Qe2 32. Rf4 Re6 33. Rxf7 Rg6 34. Rxa7 Qd1+ 35. Kh2 Qf1 36. Rg4 Kh7 37. Rxg6 Nxg6 38. e6 Qe2 39. e7 Rg8 40. Rd7 Qe4 41. Qxe4 dxe4 42. Rd8 Nxe7 43. Bxe7 1-0

[Event "COL-chT (Women)"]
[Site "Risaralda"]
[Date "2023.11.20"]
[Round "3.2"]
[White "Rivera, Ingris"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1-0"]
[ECO "E71"]
[WhiteElo "2146"]
[BlackElo "1473"]
[PlyCount "99"]
[EventDate "2023.11.19"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]
[WhiteTeam "Bolivar (W)"]
[BlackTeam "Atlantico (W)"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. h3 0-0 6. Bg5 Nbd7 7. Qd2 e5 8. d5 Nc5 9. f3 a5 10. Nge2 Qd7 11. g4 Ne8 12. Ng3 f6 13. Be3 b6 14. h4 Qe7 15. h5 g5 16. h6 Bh8 17. Be2 Bd7 18. 0-0-0 Qd8 19. Nf5 Rf7 20. Kc2 Qc8 21. b3 Qb8 22. Rb1 Qc8 23. Rhc1 Ra7 24. Kd1 Qa8 25. Ke1 Bc8 26. Nb5 Ra6 27. Kf2 Bb7 28. Rc2 Bc8 29. a3 Bb7 30. Kg3 Bc8 31. b4 Nb7 32. Nc3 axb4 33. axb4 Ra3 34. Rbb2 Bxf5 35. gxf5 Nd8 36. Ra2 Rd7 37. c5 Nf7 38. Bb5 Rd8 39. Bc6 Qa6 40. b5 Qa5 41. cxb6 cxb6 42. Rxa3 Qxa3 43. Bxb6 Rb8 44. Ra2 Qb3 45. Ba7 Rc8 46. b6 Kf8 47. b7 Rd8 48. b8Q Rxb8 49. Bxb8 Qxb8 50. Ra8 1-0

[Event "COL-chT (Women)"]
[Site "Risaralda"]
[Date "2023.11.19"]
[Round "1.2"]
[White "Finley Rosero, Karol Valentina"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1-0"]
[ECO "C84"]
[WhiteElo "1683"]
[BlackElo "1473"]
[PlyCount "115"]
[EventDate "2023.11.19"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]
[WhiteTeam "Narino (W)"]
[BlackTeam "Atlantico (W)"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d4 exd4 6. 0-0 Be7 7. Re1 b5 8. Bb3 d6 9. Bd5 Nxd5 10. exd5 Ne5 11. Nxd4 0-0 12. Bf4 Bf6 13. Bxe5 Bxe5 14. Nc6 Qg5 15. Nxe5 dxe5 16. Qf3 Bb7 17. Nc3 Rad8 18. a3 Rfe8 19. Rad1 f5 20. Qe3 Qxe3 21. Rxe3 e4 22. f3 Re5 23. fxe4 fxe4 24. Rxe4 Rxe4 25. Nxe4 Rxd5 26. Rxd5 Bxd5 27. Nc5 a5 28. Kf2 c6 29. g3 Kf7 30. Ke3 a4 31. Kd4 Ke7 32. Ke5 Bf3 33. c3 Bd5 34. Nd3 Bf3 35. Nf4 Bg4 36. Ng2 Be6 37. Nf4 Bg4 38. Nd3 Bf3 39. Nc5 Bd5 40. Nd3 Bf3 41. Ne1 Bd5 42. Nc2 Bg2 43. Nd4 Bd5 44. Nf5+ Kf7 45. Kd6 Be6 46. Nd4 Bc4 47. Nxc6 Kf6 48. Nd4 Bf1 49. Kc5 Bc4 50. Nxb5 Bb3 51. Nd4 Bd1 52. Kd6 g6 53. c4 Bg4 54. c5 h5 55. c6 g5 56. c7 Bc8 57. Nc6 Ba6 58. Ne7 1-0

[Event "COL-chT (Women)"]
[Site "Risaralda"]
[Date "2023.11.19"]
[Round "2.2"]
[White "Mercado Maestre, Maria Angel"]
[Black "Velez Alvarez, Laura Camila"]
[Result "1-0"]
[ECO "A48"]
[WhiteElo "1473"]
[BlackElo "1778"]
[PlyCount "111"]
[EventDate "2023.11.19"]
[EventType "team-swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CB49_2023"]
[SourceDate "2023.12.06"]
[SourceVersion "1"]
[SourceVersionDate "2023.12.06"]
[SourceQuality "1"]
[WhiteTeam "Atlantico (W)"]
[BlackTeam "Caqueta (W)"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 Nf6 2. Nf3 g6 3. b4 d5 4. e3 Bg7 5. Bb2 0-0 6. Nbd2 b6 7. c4 c6 8. Be2 Bb7 9. 0-0 Nbd7 10. c5 Ne8 11. Qa4 f6 12. b5 bxc5 13. bxc6 Nb6 14. Qb5 Nd6 15. Qxc5 Rc8 16. Qa5 Bxc6 17. Rfc1 Qd7 18. Ba3 Rc7 19. Bxd6 exd6 20. Rc3 Rfc8 21. Rac1 Ba4 22. Nb1 Qf7 23. Na3 Be8 24. Bb5 Nc4 25. Bxe8 Rxe8 26. Nxc4 Rxc4 27. Nd2 Rxc3 28. Rxc3 Re7 29. Rc8+ Bf8 30. g3 Kg7 31. Rd8 Qe6 32. Qa6 Rc7 33. Nb3 h5 34. Ra8 Qd7 35. Rb8 h4 36. Kg2 h3+ 37. Kf1 Kf7 38. Ke1 Be7 39. Qd3 Qg4 40. Kd2 Qf3 41. Ke1 Qh1+ 42. Ke2 Qxh2 43. Rh8 Qg2 44. Rh7+ Ke6 45. Qxg6 Kd7 46. Qf5+ Kc6 47. Rxh3 Kb6 48. Rh8 a5 49. Rb8+ Ka7 50. Rb5 a4 51. Ra5+ Kb6 52. Qd3 Rb7 53. Rb5+ Ka7 54. Na5 Rc7 55. Rb2 Qh1 56. Qb5 1-0

[Event "COL-ch U20 Girls"]
[Site "Cali"]
[Date "2023.06.25"]
[Round "7"]
[White "Alape Gonzalez, Laura Sofia"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1/2-1/2"]
[ECO "C50"]
[WhiteElo "1388"]
[BlackElo "1399"]
[PlyCount "72"]
[EventDate "2023.06.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. h3 d6 6. Nc3 Be6 7. Nd5 Bxd5 8. exd5 Na5 9. Bb3 Nxb3 10. axb3 Nxd5 11. c4 Nb4 12. 0-0 0-0 13. Be3 Bxe3 14. fxe3 f5 15. Qd2 a5 16. e4 fxe4 17. dxe4 h6 18. Rf2 Qe7 19. g3 Kh7 20. Raf1 g6 21. Nh4 Kg7 22. Qe2 Rxf2 23. Rxf2 Rf8 24. Qg4 Rxf2 25. Qxg6+ Kf8 26. Kxf2 Qf7+ 27. Qxf7+ Kxf7 28. Ke3 Nc2+ 29. Kd3 Nd4 30. Nf5 Nxf5 31. exf5 h5 32. Ke4 Kf6 33. g4 hxg4 34. hxg4 c6 35. Kf3 Kg5 36. Ke4 Kf6 1/2-1/2

[Event "COL-ch U20 Girls"]
[Site "Cali"]
[Date "2023.06.25"]
[Round "6"]
[White "Mercado Maestre, Maria Angel"]
[Black "Ruiz Jaraba, Valentina Sofia"]
[Result "0-1"]
[ECO "D31"]
[WhiteElo "1399"]
[BlackElo "1776"]
[PlyCount "56"]
[EventDate "2023.06.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. cxd5 exd5 5. Bf4 Bd6 6. Bxd6 Qxd6 7. Qc2 Ne7 8. e3 Bf5 9. Bd3 Bxd3 10. Qxd3 0-0 11. Nf3 Nd7 12. 0-0 f5 13. a4 Rf6 14. Ne2 h6 15. h4 g6 16. Nf4 Kf7 17. Rfc1 Rg8 18. Kf1 g5 19. Nh5 Rfg6 20. hxg5 hxg5 21. Ng3 Qe6 22. b4 f4 23. Ne2 fxe3 24. fxe3 Nf5 25. Kf2 Rf6 26. Ng3 Nxg3 27. Kxg3 Qd6+ 28. Kf2 g4 0-1

[Event "COL-ch U20 Girls"]
[Site "Cali"]
[Date "2023.06.24"]
[Round "4"]
[White "Mercado Maestre, Maria Angel"]
[Black "Ladron De Guevara Mendez, Lorena"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "1399"]
[BlackElo "1358"]
[PlyCount "61"]
[EventDate "2023.06.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. Bf4 Nf6 4. e3 c6 5. c4 Qa5+ 6. Nbd2 b5 7. c5 Nbd7 8. a3 Qd8 9. b4 Bb7 10. Nb3 Ne4 11. Na5 Qc8 12. Qc2 Be7 13. Bd3 f5 14. Bxe4 fxe4 15. Ne5 Nxe5 16. Bxe5 Bf6 17. Qe2 Bxe5 18. Qh5+ Ke7 19. Qxe5 Kf7 20. f3 exf3 21. Rf1 Re8 22. Rxf3+ Kg8 23. Kd2 Qd7 24. Raf1 Rab8 25. Rf7 Qxf7 26. Rxf7 Kxf7 27. Qc7+ Kg8 28. Nxb7 Rf8 29. Qxc6 Rf7 30. Qxe6 Rbxb7 31. Qc8+ 1-0

[Event "COL-ch U20 Girls"]
[Site "Cali"]
[Date "2023.06.24"]
[Round "5"]
[White "Rendon, Isabela"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1355"]
[BlackElo "1399"]
[PlyCount "61"]
[EventDate "2023.06.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. b4 Bb6 7. e5 Ne4 8. Bd5 Nxc3 9. Nxc3 dxc3 10. 0-0 h6 11. Qb3 Qe7 12. b5 Nd4 13. Nxd4 Bxd4 14. Ba3 Bc5 15. Bxf7+ Qxf7 16. Qxf7+ Kxf7 17. Bxc5 Re8 18. Bd4 a6 19. bxa6 Rxa6 20. Bxc3 d6 21. f4 Be6 22. f5 Bc4 23. e6+ Kg8 24. Rf2 c5 25. Rf3 d5 26. Be5 g5 27. f6 Kf8 28. f7 Rea8 29. Bg7+ Ke7 30. f8Q+ Rxf8 31. Bxf8+ 1-0

[Event "COL-ch U20 Girls"]
[Site "Cali"]
[Date "2023.06.23"]
[Round "3"]
[White "Jacome Revelo, Daniela Alexandra"]
[Black "Mercado Maestre, Maria Angel"]
[Result "0-1"]
[ECO "C68"]
[WhiteElo "1343"]
[BlackElo "1399"]
[PlyCount "79"]
[EventDate "2023.06.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. d4 exd4 6. Qxd4 Qxd4 7. Nxd4 c5 8. Nf3 b6 9. Nc3 Bb7 10. Be3 Ne7 11. 0-0-0 g6 12. Rd2 Bg7 13. Nd5 Nxd5 14. exd5 0-0-0 15. c4 h6 16. Re1 Rhe8 17. Rde2 c6 18. dxc6 Bxc6 19. Bf4 Rxe2 20. Rxe2 Bxf3 21. gxf3 Rd4 22. Be5 Bxe5 23. Rxe5 Rxc4+ 24. Kd2 Rd4+ 25. Ke3 Kd7 26. f4 f6 27. Re4 Rxe4+ 28. Kxe4 Kd6 29. f5 g5 30. Ke3 h5 31. Ke4 b5 32. b3 a5 33. h3 Kc6 34. a3 b4 35. axb4 axb4 36. Kd3 Kd5 37. Kc2 Kd4 38. Kd2 c4 39. Kc2 c3 40. Kd1 0-1

[Event "COL-ch U20 Girls"]
[Site "Cali"]
[Date "2023.06.23"]
[Round "2"]
[White "Mercado Maestre, Maria Angel"]
[Black "Sanchez Riobo, Emily Dainne"]
[Result "0-1"]
[ECO "D10"]
[WhiteElo "1399"]
[BlackElo "1362"]
[PlyCount "104"]
[EventDate "2023.06.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[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. cxd5 cxd5 5. Bg5 e6 6. e3 a6 7. Bd3 Nbd7 8. f4 Bb4 9. Nf3 Qa5 10. Qc2 b5 11. 0-0 Bb7 12. a3 Bxc3 13. Qxc3 Qxc3 14. bxc3 Rc8 15. Rac1 Ng4 16. Rfe1 f6 17. Bh4 0-0 18. h3 Nh6 19. Re2 Nb6 20. Rec2 Rc7 21. Nd2 Nf7 22. e4 e5 23. f5 Rfc8 24. exd5 Nxd5 25. Ne4 Nf4 26. Nc5 Nxd3 27. Nxd3 Be4 28. Rd2 exd4 29. Nf4 dxc3 30. Re2 Nd6 31. g4 Rc4 32. Bg3 Nb7 33. Ne6 Nc5 34. Nxc5 R8xc5 35. Kf2 c2 36. Rd2 Rd5 37. Rxd5 Bxd5 38. Bd6 g6 39. fxg6 hxg6 40. Bb4 g5 41. Kg3 Be4 42. Kf2 Kg7 43. Bd2 Ra4 44. Bb4 a5 45. Bc5 b4 46. axb4 axb4 47. Bd4 b3 48. Ke3 Bg6 49. Ba1 Ra2 50. Kd2 b2 51. Bxb2 Rxb2 52. Kc3 Rb1 0-1

[Event "COL-ch U20 Girls"]
[Site "Cali"]
[Date "2023.06.22"]
[Round "1"]
[White "Martinez Salgado, Gabriela"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1/2-1/2"]
[ECO "D30"]
[WhiteElo "1209"]
[BlackElo "1399"]
[PlyCount "60"]
[EventDate "2023.06.22"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. c4 e6 2. e3 d5 3. Nf3 c6 4. d4 Nf6 5. Bd3 dxc4 6. Bxc4 Be7 7. 0-0 0-0 8. b3 Nbd7 9. Bb2 b6 10. Nbd2 Bb7 11. Rc1 c5 12. Qe2 Rc8 13. Rfd1 Qc7 14. Bd3 Qb8 15. Nc4 Nd5 16. Bb1 cxd4 17. Rxd4 b5 18. Qd3 g6 19. Ncd2 Bf6 20. Rxc8 Rxc8 21. h4 Bxd4 22. Qxd4 f6 23. Ng5 e5 24. Qg4 Qd6 25. Nxh7 Ne7 26. Bxg6 Nxg6 27. Qxg6+ Kh8 28. Qh6 Kg8 29. Qg6+ Kh8 30. Qh6 Kg8 1/2-1/2

[Event "COL-ch (Women)"]
[Site "Cartagena"]
[Date "2023.06.12"]
[Round "9"]
[White "Gomez Guardo, Laura Melissa"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "1845"]
[BlackElo "1399"]
[PlyCount "63"]
[EventDate "2023.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. Nf3 dxc4 5. e4 b5 6. Be2 Bb4 7. 0-0 Bb7 8. Bd2 Bxc3 9. bxc3 Nf6 10. Qc2 h6 11. e5 Nd5 12. Qe4 Nd7 13. Qg4 Kf8 14. h4 c5 15. dxc5 Nxc5 16. Nd4 a6 17. Bf3 Qe7 18. Qg3 Qd7 19. Rfd1 Ne7 20. Bc1 Nd3 21. Ba3 Bxf3 22. Qxf3 Rc8 23. Bd6 Kg8 24. a4 Nd5 25. axb5 axb5 26. Ra5 Nxc3 27. Rda1 Kh7 28. Ra7 Qe8 29. Rxf7 Ra8 30. Rxa8 Qxa8 31. Rxg7+ Kxg7 32. Qf6+ 1-0

[Event "COL-ch (Women)"]
[Site "Cartagena"]
[Date "2023.06.11"]
[Round "7"]
[White "Mercado Maestre, Maria Angel"]
[Black "Matta, Paola Andrea"]
[Result "1-0"]
[ECO "E43"]
[WhiteElo "1399"]
[BlackElo "1911"]
[PlyCount "95"]
[EventDate "2023.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. e3 b6 5. Bd3 Bb7 6. f3 c5 7. Nge2 cxd4 8. exd4 0-0 9. 0-0 h6 10. Bf4 d5 11. a3 Bd6 12. Bxd6 Qxd6 13. cxd5 Nxd5 14. Ne4 Qd7 15. Qd2 Nc6 16. b4 Rfd8 17. Rfc1 Nc7 18. Qc3 Rac8 19. Kf1 Nxd4 20. Nxd4 Qxd4 21. Qxd4 Rxd4 22. Rc3 Nd5 23. Rxc8+ Bxc8 24. Bb5 Nc7 25. Rc1 Nxb5 26. Rxc8+ Kh7 27. a4 Na3 28. Rc7 Rxb4 29. Rxa7 Rb1+ 30. Kf2 Rb2+ 31. Kg3 f5 32. Nd6 Kg6 33. Ne8 f4+ 34. Kxf4 Rb4+ 35. Kg3 Nc2 36. Rxg7+ Kf5 37. Rf7+ Ke5 38. Ra7 Rb2 39. f4+ Kf5 40. Nd6+ Kg6 41. Nc4 Rb4 42. Ne5+ Kf5 43. a5 b5 44. Rf7+ Ke4 45. a6 Ne3 46. a7 Ra4 47. Nd7 Ra2 48. Nb6 1-0

[Event "COL-ch (Women)"]
[Site "Cartagena"]
[Date "2023.06.11"]
[Round "8"]
[White "Mercado Maestre, Maria Angel"]
[Black "Zapata, Olga Maria"]
[Result "1/2-1/2"]
[ECO "D61"]
[WhiteElo "1399"]
[BlackElo "1537"]
[PlyCount "102"]
[EventDate "2023.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 0-0 6. Nf3 Nbd7 7. cxd5 Nxd5 8. Bxe7 Qxe7 9. Nxd5 exd5 10. Bd3 Nf6 11. Qc2 Re8 12. 0-0 c6 13. Ne5 Be6 14. f3 Rac8 15. Qa4 a6 16. b4 Nd7 17. Rfe1 Nxe5 18. dxe5 Bd7 19. Qc2 g6 20. f4 c5 21. bxc5 Rxc5 22. Qb2 b5 23. Rac1 Rec8 24. Qa3 R8c6 25. Rc2 Kf8 26. Rec1 Rxc2 27. Qxe7+ Kxe7 28. Rxc2 Rxc2 29. Bxc2 f6 30. exf6+ Kxf6 31. h3 Bf5 32. Bb3 Be4 33. g4 Ke7 34. Kf2 Kd6 35. Ke2 Kc5 36. Kd2 Kb4 37. Bc2 Bg2 38. f5 gxf5 39. gxf5 Bxh3 40. f6 Be6 41. Bxh7 Bf7 42. Kc2 a5 43. Bd3 Kc5 44. a3 b4 45. Kb2 a4 46. Bc2 b3 47. Bxb3 axb3 48. Kxb3 d4+ 49. Kc2 dxe3 50. Kd3 Kb5 51. Kxe3 Ka4 1/2-1/2

[Event "COL-ch (Women)"]
[Site "Cartagena"]
[Date "2023.06.09"]
[Round "4"]
[White "Lizarazo, Doris Liliana"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1-0"]
[ECO "C68"]
[WhiteElo "1697"]
[BlackElo "1399"]
[PlyCount "61"]
[EventDate "2023.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bg4 6. h3 h5 7. d3 Qf6 8. Nbd2 Ne7 9. c3 Ng6 10. d4 0-0-0 11. hxg4 hxg4 12. Nh2 Nf4 13. Qxg4+ Kb8 14. Ndf3 Ne2+ 15. Kh1 Be7 16. dxe5 Qe6 17. Qxe6 fxe6 18. Re1 Nxc1 19. Raxc1 Bc5 20. Rf1 Rh5 21. g3 Rdh8 22. Kg2 g5 23. Ng4 Be7 24. Rh1 b5 25. Rxh5 Rxh5 26. Rh1 Rxh1 27. Kxh1 c5 28. Nf6 g4 29. Nxg4 c4 30. Nd4 c5 31. Nc6+ 1-0

[Event "COL-ch (Women)"]
[Site "Cartagena"]
[Date "2023.06.09"]
[Round "3"]
[White "Morales Perez, Ghisell"]
[Black "Mercado Maestre, Maria Angel"]
[Result "0-1"]
[ECO "A17"]
[WhiteElo "1495"]
[BlackElo "1399"]
[PlyCount "84"]
[EventDate "2023.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. c4 e6 2. d4 d5 3. cxd5 exd5 4. Nc3 c6 5. g3 Bf5 6. Bg2 Bd6 7. Nf3 Nf6 8. 0-0 Nbd7 9. Re1 0-0 10. Nh4 Bg6 11. Nxg6 hxg6 12. Bg5 Qb6 13. Rb1 Rae8 14. Qd3 Kh7 15. a3 Rh8 16. b4 a6 17. e4 dxe4 18. Nxe4 Nxe4 19. Bxe4 Nf6 20. Bg2 Qc7 21. Qf3 Nd5 22. h4 f6 23. Bd2 Qf7 24. Bh3 Rhf8 25. h5 gxh5 26. Bf5+ Kh8 27. Rxe8 Rxe8 28. g4 g6 29. Bd3 hxg4 30. Qxg4 Qh7 31. Qg2 f5 32. Bc4 Nf4 33. Bxf4 Bxf4 34. d5 Re4 35. Bb3 Bh2+ 36. Kf1 Rg4 37. Qf3 Rg1+ 38. Ke2 Rxb1 39. Qc3+ Qg7 40. Qh3+ Kg8 41. dxc6+ Kf8 42. Qxh2 Qb2+ 0-1

[Event "COL-ch (Women)"]
[Site "Cartagena"]
[Date "2023.06.08"]
[Round "2"]
[White "Mercado Maestre, Maria Angel"]
[Black "Bertel Perez, Natalia"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "1399"]
[BlackElo "1359"]
[PlyCount "73"]
[EventDate "2023.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 c6 7. Qc2 h6 8. Bf4 Bd6 9. Bxd6 Qxd6 10. Nf3 Be6 11. Bd3 Nbd7 12. 0-0 0-0 13. Rab1 b5 14. e4 Qe7 15. e5 Ne8 16. Ne2 Nb8 17. h3 f5 18. Nf4 Qf7 19. Nh4 g5 20. Nxe6 gxh4 21. Nxf8 Kxf8 22. Bxf5 Ng7 23. Bg6 Qe7 24. f4 Ne6 25. Rbd1 Qd7 26. f5 Ng5 27. f6 Qe6 28. Qc5+ Kg8 29. f7+ Nxf7 30. Bxf7+ Qxf7 31. Rxf7 Kxf7 32. Rf1+ Kg6 33. Qd6+ Kg7 34. Qf6+ Kh7 35. Qf8 h5 36. Rf7+ Kg6 37. Qg7# 1-0

[Event "COL-ch (Women)"]
[Site "Cartagena"]
[Date "2023.06.08"]
[Round "1"]
[White "Rosado Perez, Maria Jose"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1-0"]
[ECO "C68"]
[WhiteElo "1806"]
[BlackElo "1399"]
[PlyCount "91"]
[EventDate "2023.06.08"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bg4 6. h3 Bxf3 7. Qxf3 Bc5 8. d3 Ne7 9. Nd2 b5 10. Nb3 Bb6 11. Be3 0-0 12. Rfd1 Bxe3 13. Qxe3 Qd6 14. d4 Rad8 15. c3 Ng6 16. Nc5 exd4 17. Rxd4 Qf4 18. Re1 Qxe3 19. Rxe3 Nf4 20. Nxa6 Rxd4 21. cxd4 Rd8 22. d5 cxd5 23. exd5 Nxd5 24. Rd3 c6 25. Nb4 Rd7 26. Nxc6 Nb6 27. Rxd7 Nxd7 28. Nd4 b4 29. Nc6 b3 30. axb3 Kf8 31. b4 Ke8 32. f4 Nb6 33. b5 f6 34. Kf2 Kd7 35. Kf3 Kd6 36. Nd4 g6 37. f5 Ke5 38. fxg6 hxg6 39. Nc6+ Kd6 40. h4 Ke6 41. b3 Nd5 42. Na5 Nb6 43. Nc4 Nd5 44. b6 Kd7 45. g4 Kc6 46. h5 1-0

[Event "Pan American-ch U20 Girls"]
[Site "Pereira"]
[Date "2022.08.28"]
[Round "9"]
[White "Pena Gonzalez, Clara Isabel"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "1833"]
[BlackElo "1310"]
[PlyCount "84"]
[EventDate "2022.08.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Bc5 7. Nbd2 d6 8. c3 0-0 9. Nf1 Bb6 10. Ng3 h6 11. 0-0 Ne7 12. Nh4 g5 13. Nhf5 Nxf5 14. Nxf5 Bxf5 15. exf5 d5 16. h4 Nh7 17. Qf3 c6 18. g3 Kg7 19. Kg2 Qf6 20. Qg4 Rh8 21. hxg5 hxg5 22. Rh1 Rag8 23. a4 Qd8 24. axb5 axb5 25. Bd2 f6 26. Rh5 Nf8 27. Rah1 Nd7 28. Qh3 Rxh5 29. Qxh5 Kf8 30. c4 Nc5 31. Bb4 bxc4 32. dxc4 d4 33. Qf3 Kg7 34. Bd1 e4 35. Qh5 Qd6 36. Qh6+ Kf7 37. Bh5+ Ke7 38. Qh7+ Kd8 39. Qxg8+ Kc7 40. Qf7+ Kb8 41. Bd1 Bc7 42. Rh7 Qd8 1-0

[Event "Pan American-ch U20 Girls"]
[Site "Pereira"]
[Date "2022.08.27"]
[Round "8"]
[White "Mercado Maestre, Maria Angel"]
[Black "Carrillo Riano, Karen Sofia"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "1310"]
[BlackElo "1350"]
[PlyCount "89"]
[EventDate "2022.08.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 e6 2. c4 Nf6 3. Nc3 Be7 4. Bg5 0-0 5. e3 d5 6. cxd5 exd5 7. Qc2 c6 8. Bd3 Nbd7 9. Nf3 h6 10. Bf4 Kh8 11. h3 Nh5 12. Bh2 g5 13. g4 Ng7 14. Bg3 Ne8 15. h4 gxh4 16. Nxh4 Ndf6 17. Bf5 Ng7 18. Bxc8 Rxc8 19. g5 Nd7 20. gxh6 Ne8 21. Nf5 Rg8 22. h7 Rg6 23. Nh6 Rg7 24. Qf5 f6 25. Qe6 Nd6 26. Bxd6 Bxd6 27. Qxd6 Qe8 28. Nf5 Rg5 29. Ng3 Rd8 30. Qf4 Qg6 31. Kd2 c5 32. Nb5 cxd4 33. Nxd4 Nc5 34. Ngf5 Rg2 35. Rh6 Ne4+ 36. Ke1 Qe8 37. Rd1 Qa4 38. b3 Qa5+ 39. Kf1 Rxf2+ 40. Qxf2 Nxf2 41. Kxf2 Qxa2+ 42. Kf3 Qa6 43. Rg1 Qd3 44. Rh4 Re8 45. Rhg4 1-0

[Event "Pan American-ch U20 Girls"]
[Site "Pereira"]
[Date "2022.08.26"]
[Round "6"]
[White "Cortes Hernandez, Valeria"]
[Black "Mercado Maestre, Maria Angel"]
[Result "0-1"]
[ECO "A25"]
[BlackElo "1310"]
[PlyCount "30"]
[EventDate "2022.08.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. c4 e5 2. Nc3 Nc6 3. g3 Bc5 4. Bg2 d6 5. e3 Bf5 6. Nge2 Bd3 7. Qa4 Qd7 8. a3 a6 9. b4 Bb6 10. b5 Na5 11. Bxb7 Nxb7 12. Bb2 Nc5 13. Qd1 Bxc4 14. a4 Qh3 15. Ra3 Nd3# 0-1

[Event "Pan American-ch U20 Girls"]
[Site "Pereira"]
[Date "2022.08.26"]
[Round "7"]
[White "Lopez Mahecha, Natalia"]
[Black "Mercado Maestre, Maria Angel"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1197"]
[BlackElo "1310"]
[PlyCount "112"]
[EventDate "2022.08.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. cxd4 Bb4+ 7. Bd2 Bxd2+ 8. Nbxd2 d5 9. exd5 Nxd5 10. 0-0 0-0 11. Re1 Nb6 12. Qb3 Nxc4 13. Qxc4 Be6 14. Qc3 Qd5 15. Nb3 Rad8 16. Rad1 Bg4 17. Rd3 Bxf3 18. Rxf3 Nxd4 19. Nxd4 Qxd4 20. Qxc7 Rd7 21. Qc3 Qxc3 22. Rxc3 g6 23. g3 Kg7 24. Kg2 Rfd8 25. a3 h5 26. h4 Kf6 27. Rec1 a6 28. Rc7 Ke6 29. Kf3 Rd3+ 30. Kf4 Kf6 31. R1c4 R8d7 32. Rxd7 Rxd7 33. Ke3 Ke6 34. Re4+ Kf6 35. a4 a5 36. Rd4 Ke6 37. Rxd7 Kxd7 38. Kd4 Kd6 39. b3 b6 40. f3 f6 41. g4 f5 42. gxh5 gxh5 43. f4 Ke6 44. Kc4 Kd6 45. Kb5 Kc7 46. b4 axb4 47. Kxb4 Kd6 48. Kb5 Kc7 49. Ka6 Kc6 50. Ka7 b5 51. a5 b4 52. a6 b3 53. Kb8 b2 54. a7 b1Q+ 55. Kc8 Qb7+ 56. Kd8 Qd7# 0-1

[Event "Pan American-ch U20 Girls"]
[Site "Pereira"]
[Date "2022.08.25"]
[Round "5"]
[White "Mercado Maestre, Maria Angel"]
[Black "Medina Baquiro, Paula Andrea"]
[Result "0-1"]
[ECO "D13"]
[WhiteElo "1310"]
[BlackElo "1235"]
[PlyCount "96"]
[EventDate "2022.08.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 c6 3. c4 d5 4. cxd5 cxd5 5. Nc3 Nc6 6. Bg5 Ne4 7. Bf4 e6 8. a3 a6 9. e3 Nxc3 10. bxc3 b5 11. Ne5 Nxe5 12. Bxe5 f6 13. Bg3 Qa5 14. Qb3 Bd7 15. Bd3 Rc8 16. Kd2 Be7 17. Rhc1 0-0 18. f3 Rc6 19. e4 Rfc8 20. exd5 exd5 21. Be1 Qc7 22. Bg3 Qa5 23. Be1 Be6 24. Kd1 Bd6 25. g3 Bf7 26. f4 Re8 27. Be2 Re3 28. Bd2 Re8 29. Bf3 Rc4 30. Be2 Ra4 31. Bf3 Rc4 32. g4 Qa4 33. Qc2 Rec8 34. h3 Rxd4 35. Qxa4 Rxa4 36. Rcb1 Bxa3 37. Rb3 Bd6 38. Rxa4 bxa4 39. Rb6 Bf8 40. Rxa6 a3 41. Ke2 d4 42. Kd1 dxc3 43. Bc1 Bb3+ 44. Ke1 Re8+ 45. Kf2 Bc5+ 46. Kg2 a2 47. Ra5 Re1 48. Ra8+ Kf7 0-1

[Event "Pan American-ch U20 Girls"]
[Site "Pereira"]
[Date "2022.08.24"]
[Round "4"]
[White "Guerrero Caicedo, Arlette Sabina"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1531"]
[BlackElo "1310"]
[PlyCount "61"]
[EventDate "2022.08.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. g3 b5 4. e3 a6 5. a4 b4 6. Nbd2 Nf6 7. Bg2 Bb7 8. 0-0 c5 9. dxc5 Bxc5 10. Nd4 0-0 11. c4 bxc3 12. bxc3 Nbd7 13. N2b3 Qc7 14. Nxc5 Nxc5 15. Ba3 Rfc8 16. Rb1 Rab8 17. Qc2 Ba8 18. Rxb8 Rxb8 19. c4 Rc8 20. Rc1 Nfd7 21. cxd5 exd5 22. Bh3 Ne6 23. Qxc7 Rxc7 24. Rxc7 Nxc7 25. Bxd7 g6 26. Bd6 Ne6 27. Nxe6 fxe6 28. Bxe6+ Kg7 29. Be5+ Kf8 30. Bc8 a5 31. Bd7 1-0

[Event "Pan American-ch U20 Girls"]
[Site "Pereira"]
[Date "2022.08.24"]
[Round "3"]
[White "Mercado Maestre, Maria Angel"]
[Black "Ladron De Guevara Mendez, Lorena"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "1310"]
[BlackElo "1378"]
[PlyCount "71"]
[EventDate "2022.08.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. e4 dxe4 5. Nxe4 Bb4+ 6. Nc3 c5 7. a3 Ba5 8. Be3 Nf6 9. Nge2 cxd4 10. Qxd4 Qxd4 11. Bxd4 Bxc3+ 12. Nxc3 Nc6 13. Bc5 b6 14. Bd6 Bb7 15. 0-0-0 Ng4 16. Rd2 f6 17. h3 Nge5 18. f4 Ng6 19. b4 Kf7 20. Bd3 f5 21. Bc2 a6 22. Rhd1 Rhd8 23. Na4 b5 24. Nb6 Ra7 25. Bc5 Rxd2 26. Rxd2 Ba8 27. Nc8 Rc7 28. Nd6+ Kg8 29. cxb5 axb5 30. Bb3 Nxf4 31. Nxf5 Na5 32. Rd8+ Kf7 33. Nd6+ Ke7 34. Nb7+ Rxc5+ 35. bxc5 Nxb3+ 36. Kb2 1/2-1/2

[Event "Pan American-ch U20 Girls"]
[Site "Pereira"]
[Date "2022.08.23"]
[Round "2"]
[White "Hernandez Bermudez, Manuela"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "1894"]
[BlackElo "1310"]
[PlyCount "84"]
[EventDate "2022.08.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bc5 7. c3 0-0 8. d4 Bb6 9. dxe5 Nxe4 10. Bd5 Nc5 11. Bg5 Qe8 12. Re1 Bb7 13. Na3 Ne7 14. Bxb7 Nxb7 15. Nc2 h6 16. Be3 Bxe3 17. Nxe3 Nc5 18. Qd4 Ne6 19. Qg4 f6 20. exf6 Rxf6 21. Rad1 Rd8 22. Ne5 h5 23. Qg3 d6 24. Nd3 Qf7 25. Nb4 Rf4 26. Nbd5 h4 27. Nxe7+ Qxe7 28. Qg6 Qf6 29. Qc2 c6 30. h3 Qg5 31. Ng4 Nf8 32. Qe2 Nh7 33. Qe6+ Rf7 34. Rxd6 Rxd6 35. Qxd6 Nf6 36. Ne5 Rf8 37. Nxc6 Nh5 38. Qe6+ Kh7 39. Qe4+ Kh6 40. Ne5 Nf4 41. Ng4+ Kh5 42. Qh7+ Qh6 1-0

[Event "Pan American-ch U20 Girls"]
[Site "Pereira"]
[Date "2022.08.23"]
[Round "1"]
[White "Mercado Maestre, Maria Angel"]
[Black "Pinillo Canon, Silvana"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "1310"]
[BlackElo "1806"]
[PlyCount "150"]
[EventDate "2022.08.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 0-0 7. Qc2 c6 8. Bd3 Nbd7 9. Nf3 Re8 10. 0-0 Nf8 11. Bxf6 Bxf6 12. b4 Bg4 13. Nd2 Rc8 14. Na4 a5 15. bxa5 Qxa5 16. Nc5 b6 17. Nb7 Qa3 18. Rab1 b5 19. Rb3 Qe7 20. Nc5 g6 21. h3 Bd7 22. Rc3 Ne6 23. Nxd7 Qxd7 24. Rb1 Rc7 25. Nb3 Be7 26. Na5 Rec8 27. Qd2 b4 28. Rc2 c5 29. dxc5 Rxc5 30. Rxc5 Nxc5 31. Nb3 Na4 32. Rc1 Nc3 33. Kh1 Ra8 34. Rc2 Qa4 35. Nc1 Bf6 36. g3 Rd8 37. Ne2 Nb1 38. Qc1 Na3 39. Rc8 Rxc8 40. Qxc8+ Kg7 41. Qa6 Qd1+ 42. Kg2 Qd2 43. Nf4 Qxa2 44. Qb7 d4 45. e4 Nc2 46. Bxc2 Qxc2 47. Ne6+ Kh6 48. Qxf7 Qxe4+ 49. Kh2 Qe5 50. Kg2 d3 51. Qf8+ Bg7 52. Nxg7 Qxg7 53. Qxb4 Qe5 54. Qd2+ g5 55. Qxd3 Kg7 56. Qe3 Qd5+ 57. Qf3 Qe5 58. Qb7+ Kg6 59. Qc6+ Kg7 60. Qd7+ Kg6 61. Qd3+ Kg7 62. Qe3 Qd5+ 63. Qf3 Qe5 64. g4 Kg6 65. Qc6+ Kg7 66. Qd7+ Kg6 67. Qd3+ Kf6 68. Qxh7 Qd5+ 69. Kh2 Qd6+ 70. Kg2 Qd5+ 71. Kg3 Qb3+ 72. Kg2 Qd5+ 73. Kh2 Qd6+ 74. Kg1 Qd1+ 75. Kg2 Qd5+ 1/2-1/2

[Event "COL-ch (Women)"]
[Site "Boyaca"]
[Date "2022.08.21"]
[Round "9"]
[White "Caicedo Anguila, Juliana Andrea"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1/2-1/2"]
[ECO "D31"]
[WhiteElo "1591"]
[BlackElo "1310"]
[PlyCount "82"]
[EventDate "2022.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c6 4. cxd5 exd5 5. Bf4 Bd6 6. Bxd6 Qxd6 7. Qc2 Ne7 8. e3 Bf5 9. Bd3 Qg6 10. 0-0-0 Bxd3 11. Qxd3 Qxg2 12. Nge2 Qxf2 13. Rdf1 Qh4 14. Rhg1 Ng6 15. Ng3 0-0 16. Nf5 Qh3 17. Rg3 Qh5 18. h4 f6 19. Ne2 Rf7 20. Rfg1 Nd7 21. Nf4 Nxf4 22. Rxg7+ Rxg7 23. Rxg7+ Kh8 24. exf4 Nf8 25. Rxb7 Ne6 26. Nd6 Nxf4 27. Qe3 Qxh4 28. Qe7 Qh1+ 29. Kc2 Qg2+ 30. Kb3 Qf3+ 31. Ka4 Qd1+ 32. b3 Qxd4+ 33. Rb4 Qb2 34. Nf7+ Kg8 35. a3 Ng6 36. Rg4 Rb8 37. Nh6+ Kh8 38. Nf7+ Kg8 39. Nh6+ Kh8 40. Nf7+ Kg7 41. Ne5+ Kh6 1/2-1/2

[Event "COL-ch (Women)"]
[Site "Boyaca"]
[Date "2022.08.19"]
[Round "6"]
[White "Mercado Maestre, Maria Angel"]
[Black "Rendon, Isabela"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "1310"]
[BlackElo "1131"]
[PlyCount "33"]
[EventDate "2022.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 h6 7. Bxf6 Bxf6 8. Bd3 Nd7 9. Nxd5 c6 10. Nxf6+ Nxf6 11. Nf3 0-0 12. 0-0 Be6 13. Ne5 Nd5 14. a3 Qg5 15. f4 Qh4 16. Qf3 f6 17. Ng6 1-0

[Event "COL-ch (Women)"]
[Site "Boyaca"]
[Date "2022.08.19"]
[Round "5"]
[White "Ruiz Jaraba, Valentina Sofia"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "1816"]
[BlackElo "1310"]
[PlyCount "61"]
[EventDate "2022.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Bc5 5. 0-0 b5 6. Bb3 Nf6 7. d3 d6 8. c3 0-0 9. Be3 Bxe3 10. fxe3 Na5 11. Bc2 c5 12. Nbd2 c4 13. d4 Qb6 14. Kh1 Nc6 15. Qe1 Bb7 16. Qg3 Nd7 17. Nh4 Ne7 18. Rf2 f6 19. Raf1 d5 20. Qh3 Rfd8 21. exd5 Nxd5 22. Nf5 g6 23. Nh6+ Kg7 24. Ne4 f5 25. Ng5 Rf8 26. Nxf5+ Rxf5 27. Qxh7+ Kf8 28. Rxf5+ Ke8 29. Rf8+ Nxf8 30. Rxf8+ Kxf8 31. Qf7# 1-0

[Event "COL-ch (Women)"]
[Site "Boyaca"]
[Date "2022.08.18"]
[Round "4"]
[White "Mercado Maestre, Maria Angel"]
[Black "Ceballos Castellanos, Isabela"]
[Result "1-0"]
[ECO "A85"]
[WhiteElo "1310"]
[BlackElo "1631"]
[PlyCount "89"]
[EventDate "2022.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. d4 f5 2. Bf4 Nf6 3. e3 g6 4. Nf3 Bg7 5. c4 c6 6. Nc3 d6 7. Be2 0-0 8. 0-0 Qe8 9. Qb3 Kh8 10. c5 dxc5 11. dxc5 Nbd7 12. Qc4 e5 13. Bg3 e4 14. Ng5 Nd5 15. Nxd5 cxd5 16. Qxd5 Nf6 17. Qb3 h6 18. Bb5 Bd7 19. Bxd7 Qxd7 20. Rfd1 Qc8 21. Ne6 Rg8 22. Rd2 Nd7 23. Bd6 Qc6 24. Rad1 Bf6 25. Nc7 Rac8 26. Qd5 Qxd5 27. Nxd5 Bg5 28. Ne7 Bf6 29. Nxg8 Kxg8 30. Be7 Kf7 31. Bxf6 Nxf6 32. b4 b6 33. cxb6 axb6 34. Rd6 Rb8 35. Rc1 Ne8 36. Rdc6 Rb7 37. a4 h5 38. a5 bxa5 39. bxa5 g5 40. a6 Ra7 41. Rb1 Kf8 42. Rb7 Ra8 43. a7 Rd8 44. Rc1 Ra8 45. Ra1 1-0

[Event "COL-ch (Women)"]
[Site "Boyaca"]
[Date "2022.08.17"]
[Round "2"]
[White "Ocampo Betancur, Cristina Angela"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "1968"]
[BlackElo "1310"]
[PlyCount "75"]
[EventDate "2022.08.17"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 210 Extra"]
[Source "ChessBase"]
[SourceDate "2022.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.11.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Bc5 5. 0-0 b5 6. Bb3 Nf6 7. c3 0-0 8. d4 Bb6 9. Re1 d6 10. Bg5 h6 11. Bh4 g5 12. Bg3 exd4 13. Nxd4 Nxd4 14. cxd4 d5 15. e5 Ne4 16. Nc3 Nxg3 17. hxg3 c6 18. Qd3 Kg7 19. Bc2 Rh8 20. Rad1 g4 21. e6 Qf6 22. exf7 Kxf7 23. Ne2 Bd7 24. Nf4 Bc7 25. Ng6 Rhe8 26. Nf4 Bxf4 27. gxf4 Rxe1+ 28. Rxe1 Re8 29. Qh7+ Kf8 30. Re5 Qg7 31. Rxe8+ Bxe8 32. Qf5+ Kg8 33. Qe6+ Kf8 34. f5 Qg5 35. Bd3 Qc1+ 36. Bf1 Qg5 37. f6 Qg8 38. Qe7# 1-0

[Event "Medellin Feria de las Flores op"]
[Site "Medellin"]
[Date "2022.08.07"]
[Round "9"]
[White "Gomez Araque, Laura Sofia"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1258"]
[BlackElo "1310"]
[PlyCount "60"]
[EventDate "2022.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Bc5 5. c3 Nf6 6. e5 d5 7. cxd4 Bb4+ 8. Bd2 Ne4 9. Bb5 Bxd2+ 10. Nbxd2 Nxd2 11. Qxd2 0-0 12. 0-0 Ne7 13. Rfe1 Bf5 14. Ng5 f6 15. exf6 Rxf6 16. Bd3 Qd7 17. Rac1 h6 18. Bxf5 Nxf5 19. Nf3 c6 20. Qb4 Nd6 21. Rc2 Qf5 22. Ree2 Qg6 23. Ne5 Qg5 24. f3 a6 25. Nd7 Rg6 26. Ne5 Rf6 27. Ng4 Rg6 28. Ne5 Rf6 29. Ng4 Rg6 30. Ne5 Rf6 1/2-1/2

[Event "Medellin Feria de las Flores op"]
[Site "Medellin"]
[Date "2022.08.07"]
[Round "8"]
[White "Mercado Maestre, Maria Angel"]
[Black "Hurtado Paez, Andres Jesus"]
[Result "0-1"]
[ECO "D20"]
[WhiteElo "1310"]
[BlackElo "1406"]
[PlyCount "20"]
[EventDate "2022.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 e5 4. Nf3 exd4 5. Qxd4 Qxd4 6. Nxd4 Bc5 7. Nb5 Na6 8. Bf4 c6 9. Nd6+ Bxd6 10. Bxd6 Be6 0-1

[Event "Medellin Feria de las Flores op"]
[Site "Medellin"]
[Date "2022.08.06"]
[Round "6"]
[White "Mercado Maestre, Maria Angel"]
[Black "Paniagua, Fabio de Jesus"]
[Result "0-1"]
[ECO "E70"]
[WhiteElo "1310"]
[BlackElo "1630"]
[PlyCount "82"]
[EventDate "2022.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Be3 0-0 6. Bd3 Nc6 7. Nge2 Ng4 8. a3 Bd7 9. Bc2 Nxe3 10. fxe3 e5 11. d5 Ne7 12. 0-0 a6 13. b4 b6 14. Qd2 f5 15. Rad1 Rf6 16. Bb3 Kh8 17. Qc2 Bh6 18. Rf3 Qf8 19. Rdf1 f4 20. exf4 exf4 21. h3 g5 22. Nd4 Ng6 23. R3f2 Ne5 24. Nd1 g4 25. hxg4 Nxg4 26. Rf3 Re8 27. Ba2 Ne5 28. R3f2 Ng4 29. Rf3 Re5 30. Bb1 Qf7 31. c5 Rh5 32. Rh3 Rxh3 33. gxh3 Ne5 34. Kh2 Qh5 35. Nf2 f3 36. cxd6 cxd6 37. Qc7 Bf4+ 38. Kh1 Bxh3 39. Qd8+ Kg7 40. Qe7+ Rf7 41. Rg1+ Bg2# 0-1

[Event "Medellin Feria de las Flores op"]
[Site "Medellin"]
[Date "2022.08.06"]
[Round "7"]
[White "Sanchez Bermudez, Jeronimo"]
[Black "Mercado Maestre, Maria Angel"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1209"]
[BlackElo "1310"]
[PlyCount "32"]
[EventDate "2022.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 Nf6 5. c3 a5 6. Nbd2 d6 7. Nf1 0-0 8. Ng3 Bb6 9. Bg5 h6 10. Bd2 Ne7 11. Qc1 Ng6 12. Bxh6 gxh6 13. Qxh6 d5 14. exd5 Ng4 15. Qh5 Nf4 16. Qh4 Nxg2+ 0-1

[Event "Medellin Feria de las Flores op"]
[Site "Medellin"]
[Date "2022.08.04"]
[Round "2"]
[White "Mercado Maestre, Maria Angel"]
[Black "Torres Cueto, Jesus Marcial"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "1310"]
[BlackElo "2036"]
[PlyCount "50"]
[EventDate "2022.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 0-0 5. e4 c5 6. Nf3 Nc6 7. Be3 d5 8. e5 cxd4 9. cxd5 Nxd5 10. Bxd4 Nxd4 11. Nxd4 Nxc3 12. Nf3 Nd5+ 13. Nd2 Qg5 14. 0-0-0 Bd7 15. Kb1 Rac8 16. Qd3 Ba4 17. Nb3 Rfd8 18. Qf3 Qxe5 19. Bd3 Bc3 20. Bc2 Bxb2 21. Rhe1 Nc3+ 22. Kxb2 Nxd1+ 23. Ka3 Qd6+ 24. Kxa4 Rc4+ 25. Kb5 Qb4# 0-1

[Event "Medellin Feria de las Flores op"]
[Site "Medellin"]
[Date "2022.08.04"]
[Round "3"]
[White "Ruiz Jaraba, Valentina Sofia"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1-0"]
[ECO "C70"]
[WhiteElo "1816"]
[BlackElo "1310"]
[PlyCount "51"]
[EventDate "2022.08.03"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "CBM 209 Extra"]
[Source "ChessBase"]
[SourceDate "2022.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2022.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Bc5 5. d3 b5 6. Bb3 d6 7. c3 Bb6 8. 0-0 Nf6 9. Be3 0-0 10. Nbd2 Bg4 11. Qe1 Re8 12. h3 Bh5 13. Bxb6 cxb6 14. Nh4 Rc8 15. Ndf3 d5 16. g4 dxe4 17. dxe4 Bg6 18. Nxg6 hxg6 19. Ng5 Re7 20. f4 exf4 21. Qh4 Qd2 22. Rae1 Ne5 23. Bd1 Qxb2 24. Rxf4 Rxc3 25. Rxf6 Rg3+ 26. Qxg3 1-0

[Event "COL-ch U20 Girls"]
[Site "Barranquilla"]
[Date "2022.07.10"]
[Round "9"]
[White "Sanchez Riobo, Emily Dainne"]
[Black "Mercado Maestre, Maria Angel"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1361"]
[BlackElo "1312"]
[PlyCount "65"]
[EventDate "2022.07.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. g3 b5 4. Bg2 Nf6 5. 0-0 Bb7 6. b3 Be7 7. Nbd2 0-0 8. Bb2 c5 9. Ne5 Nbd7 10. Ndf3 c4 11. Re1 Ne4 12. c3 b4 13. Rc1 bxc3 14. Bxc3 Nxc3 15. Rxc3 Bb4 16. Qc2 Nxe5 17. Nxe5 f6 18. Nxc4 dxc4 19. Bxb7 Rb8 20. Ba6 Qa5 21. Bxc4 Bxc3 22. Bxe6+ Kh8 23. Rd1 Rbd8 24. d5 Rfe8 25. Rc1 Bb4 26. Qc6 Qxa2 27. Qb7 Bd6 28. Rc4 Qxe2 29. Rg4 Re7 30. Qc6 Rc7 31. Qa4 Rc1+ 32. Kg2 Qf1+ 33. Kf3 0-1

[Event "COL-ch U20 Girls"]
[Site "Barranquilla"]
[Date "2022.07.09"]
[Round "7"]
[White "Mercado Maestre, Maria Angel"]
[Black "Brito Carrascal, Isabela"]
[Result "0-1"]
[ECO "E32"]
[WhiteElo "1312"]
[BlackElo "1599"]
[PlyCount "78"]
[EventDate "2022.07.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[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 Bb4 4. Qc2 0-0 5. e4 Bxc3+ 6. bxc3 d6 7. Bd3 e5 8. Nf3 Re8 9. d5 Nbd7 10. 0-0 Nc5 11. Bg5 h6 12. Bh4 c6 13. Qd2 Ncxe4 14. Bxe4 Nxe4 15. Qe3 Nf6 16. dxc6 bxc6 17. Rfd1 Qe7 18. Rd2 Ba6 19. Rad1 Rad8 20. Bxf6 Qxf6 21. Qxa7 Bxc4 22. Qc7 d5 23. Re1 Rc8 24. Qb6 Qf4 25. Rb2 e4 26. Nd4 c5 27. Nb3 Bxb3 28. Qxb3 Red8 29. g3 Qf6 30. Rd2 Qe5 31. a4 Rb8 32. Qc2 f5 33. Rde2 d4 34. cxd4 cxd4 35. Qc4+ Kh7 36. Rd2 d3 37. Kg2 Rd4 38. Qc3 Qd5 39. Re3 Rxa4 0-1

[Event "COL-ch U20 Girls"]
[Site "Barranquilla"]
[Date "2022.07.09"]
[Round "6"]
[White "Mercado Maestre, Maria Angel"]
[Black "Hernandez Pacheco, Liu Teshemka"]
[Result "1-0"]
[ECO "A40"]
[WhiteElo "1312"]
[PlyCount "31"]
[EventDate "2022.07.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 e5 2. dxe5 Bb4+ 3. Bd2 Be7 4. Nf3 d6 5. e3 dxe5 6. Nxe5 Bf6 7. Bc3 Be7 8. Qf3 Nf6 9. Bc4 0-0 10. Nd2 Bg4 11. Nxg4 Qc8 12. Nxf6+ Bxf6 13. Bxf6 Rd8 14. Qg3 Kf8 15. Qxg7+ Ke8 16. Qxf7# 1-0

[Event "COL-ch U20 Girls"]
[Site "Barranquilla"]
[Date "2022.07.08"]
[Round "5"]
[White "Caicedo Anguila, Juliana Andrea"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "1595"]
[BlackElo "1312"]
[PlyCount "29"]
[EventDate "2022.07.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[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 c6 4. cxd5 exd5 5. Bf4 Bd6 6. Bxd6 Qxd6 7. Qc2 Ne7 8. e3 Bf5 9. Bd3 Bxd3 10. Qxd3 Nd7 11. Nf3 0-0 12. 0-0 f5 13. Rab1 Ng6 14. b4 a6 15. a4 1-0

[Event "COL-ch U20 Girls"]
[Site "Barranquilla"]
[Date "2022.07.08"]
[Round "4"]
[White "Mercado Maestre, Maria Angel"]
[Black "Fernandez Noriega, Shayra Maria"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1312"]
[BlackElo "1266"]
[PlyCount "65"]
[EventDate "2022.07.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Bb4 6. a3 Bxc3+ 7. bxc3 0-0 8. e3 h6 9. Bh4 Bf5 10. Bd3 Bg6 11. Nf3 Nc6 12. Qb1 Ne7 13. Ne5 Bh7 14. Bxf6 Bxd3 15. Bxe7 Bxb1 16. Bxd8 Raxd8 17. Rxb1 b6 18. Kd2 c5 19. Rb5 cxd4 20. cxd4 f6 21. Nc6 a6 22. Rxb6 Ra8 23. Rc1 Kh7 24. Ne7 Rf7 25. Nxd5 Rd7 26. Nf4 g5 27. Nh5 Rd5 28. Nxf6+ Kg7 29. Nxd5 Rd8 30. Rc7+ Kf8 31. Rxh6 Kg8 32. Nf6+ Kf8 33. Rh8# 1-0

[Event "COL-ch U20 Girls"]
[Site "Barranquilla"]
[Date "2022.07.07"]
[Round "2"]
[White "Mercado Maestre, Maria Angel"]
[Black "Valencia Quinchia, Isabella"]
[Result "0-1"]
[ECO "A65"]
[WhiteElo "1312"]
[BlackElo "1381"]
[PlyCount "58"]
[EventDate "2022.07.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Bd3 Bg7 8. Nge2 0-0 9. 0-0 a6 10. a4 Nbd7 11. Bg5 Ne5 12. f4 Neg4 13. Qd2 c4 14. Bb1 Qb6+ 15. Nd4 Nxe4 16. Nxe4 Bxd4+ 17. Kh1 f5 18. a5 Qa7 19. Nxd6 Qc5 20. Be7 Qxd5 21. Ba2 Ne3 22. Rf3 Be6 23. Bxf8 Kxf8 24. Qb4 Nc2 25. Bxc4 Nxb4 26. Bxd5 Bxd5 27. Rff1 Rd8 28. Ra4 Bc5 29. Nxb7 Bxb7 0-1

[Event "COL-ch U20 Girls"]
[Site "Barranquilla"]
[Date "2022.07.07"]
[Round "3"]
[White "Vergara Granda, Ximena"]
[Black "Mercado Maestre, Maria Angel"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "1121"]
[BlackElo "1312"]
[PlyCount "62"]
[EventDate "2022.07.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Bg2 Bc5 4. Nc3 d6 5. e3 Bf5 6. a3 Nf6 7. b4 Bb6 8. Nge2 Bd3 9. 0-0 Bxc4 10. Bb2 0-0 11. Re1 Bd3 12. Qb3 Re8 13. a4 a5 14. b5 Nb4 15. Rac1 Rb8 16. Ba3 Bc5 17. Bxb4 Bxb4 18. Red1 Nd7 19. Ra1 Nc5 20. Qb2 Qf6 21. Nd5 Qf5 22. Re1 Bc4 23. Nxb4 axb4 24. Qxb4 Nd3 25. Qxc4 Qxf2+ 26. Kh1 Nxe1 27. Rxe1 Qxe1+ 28. Ng1 c6 29. bxc6 bxc6 30. Qxc6 Rec8 31. Qxd6 Rb1 0-1

[Event "COL-ch U20 Girls"]
[Site "Barranquilla"]
[Date "2022.07.06"]
[Round "1"]
[White "Albor Rebolledo, Andrea Maria"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1-0"]
[ECO "C70"]
[WhiteElo "1612"]
[BlackElo "1312"]
[PlyCount "50"]
[EventDate "2022.07.06"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "COL"]
[SourceTitle "EXT 2023"]
[Source "ChessBase"]
[SourceDate "2022.10.05"]
[SourceVersion "1"]
[SourceVersionDate "2022.10.05"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Bc5 5. c3 b5 6. Bc2 Bb6 7. d4 d6 8. h3 h6 9. Be3 Nf6 10. Nbd2 Bd7 11. Nb3 g5 12. Qd2 Qe7 13. 0-0-0 0-0-0 14. d5 Na5 15. Nxa5 Bxa5 16. Qe2 Kb7 17. Nd2 c6 18. Nb3 Bc7 19. dxc6+ Bxc6 20. f3 Nh5 21. Qf2 Bd7 22. Rhe1 Nf4 23. Kb1 Rdf8 24. Qd2 Be6 25. Rh1 h5 1-0

[Event "COL-chT (Women)"]
[Site "Medellin"]
[Date "2021.12.11"]
[Round "5.4"]
[White "Mercado Maestre, Maria Angel"]
[Black "Becerra Saldarriaga, Emelyn"]
[Result "1/2-1/2"]
[ECO "D10"]
[WhiteElo "1296"]
[PlyCount "50"]
[EventDate "2021.12.09"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]
[WhiteTeam "Atlantico Quintal (W)"]
[BlackTeam "Antioquia Talentos (W)"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 d5 2. c4 c6 3. Nc3 Nf6 4. cxd5 cxd5 5. Bg5 Nbd7 6. e3 a6 7. Bd3 g6 8. Nge2 Bg7 9. 0-0 0-0 10. f3 e5 11. Nxd5 h6 12. Bxf6 Nxf6 13. Nxf6+ Bxf6 14. Bc4 Qb6 15. Bb3 exd4 16. Nxd4 Rd8 17. Qd3 Bf5 18. Qc4 Bxd4 19. exd4 Qxd4+ 20. Qxd4 Rxd4 21. Rfd1 Rad8 22. Rxd4 Rxd4 23. Rd1 Rxd1+ 24. Bxd1 Be6 25. a3 g5 1/2-1/2

[Event "COL-chT (Women)"]
[Site "Medellin"]
[Date "2021.12.10"]
[Round "4.4"]
[White "Dominguez, Laura Lucia"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1983"]
[BlackElo "1296"]
[PlyCount "47"]
[EventDate "2021.12.09"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]
[WhiteTeam "Liga del Valle (W)"]
[BlackTeam "Atlantico Quintal (W)"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 Nf6 5. d4 Bxd4 6. Nxd4 Nxd4 7. Bg5 h6 8. Bh4 g5 9. f4 Nxe4 10. Bxf7+ Ke7 11. fxe5 Nc6 12. Qd5 Rf8 13. Qxe4 Rxf7 14. Rxf7+ Kxf7 15. Qh7+ Ke8 16. Qg6+ Ke7 17. Nc3 Qh8 18. Nd5+ Kd8 19. Bxg5+ hxg5 20. Qxg5+ Ke8 21. Nxc7+ Kf7 22. Rf1+ Qf6 23. Rxf6+ Ke7 24. Rf5# 1-0

[Event "COL-chT (Women)"]
[Site "Medellin"]
[Date "2021.12.10"]
[Round "3.4"]
[White "Mercado Maestre, Maria Angel"]
[Black "Toro Castaneda, Elizabeth"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1296"]
[BlackElo "1913"]
[PlyCount "37"]
[EventDate "2021.12.09"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]
[WhiteTeam "Atlantico Quintal (W)"]
[BlackTeam "Liga de Antioquia (W)"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. d4 Nf6 2. Nf3 e6 3. Bf4 c5 4. e3 Qb6 5. Qc1 Nc6 6. c3 Be7 7. Be2 0-0 8. 0-0 d5 9. Nbd2 Bd7 10. Qc2 Rfc8 11. Rac1 cxd4 12. exd4 Na5 13. Ne5 Bb5 14. Bxb5 Qxb5 15. Bg3 Nc6 16. Nxc6 Rxc6 17. Nf3 Rac8 18. Ne5 Ra6 19. a3 0-1

[Event "COL-chT (Women)"]
[Site "Medellin"]
[Date "2021.12.09"]
[Round "1.4"]
[White "Gomez Vasquez, Laura Sofia"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "1612"]
[BlackElo "1296"]
[PlyCount "65"]
[EventDate "2021.12.09"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]
[WhiteTeam "Medellin Universidad (W)"]
[BlackTeam "Atlantico Quintal (W)"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. d3 b5 6. Bb3 Bc5 7. 0-0 d6 8. c3 0-0 9. Nbd2 Bb6 10. h3 h6 11. Re1 Ne7 12. Nf1 Ng6 13. a4 Rb8 14. axb5 axb5 15. N3h2 Be6 16. Bc2 Nh7 17. d4 f5 18. exf5 Bxf5 19. Bxf5 Rxf5 20. Qd3 Qf6 21. Ng4 Qf8 22. Ng3 Rf7 23. Qxg6 Kh8 24. Be3 exd4 25. Bxd4 Bxd4 26. cxd4 Rb6 27. Ra8 Qxa8 28. Qxf7 Rb8 29. Re7 Rg8 30. Nxh6 Ng5 31. Qh5 gxh6 32. Qxh6+ Nh7 33. Qxh7# 1-0

[Event "COL-chT (Women)"]
[Site "Medellin"]
[Date "2021.12.09"]
[Round "2.4"]
[White "Melgarejo Suarez, Aritna Valentina"]
[Black "Mercado Maestre, Maria Angel"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1432"]
[BlackElo "1296"]
[PlyCount "68"]
[EventDate "2021.12.09"]
[EventType "team-tourn"]
[EventRounds "5"]
[EventCountry "COL"]
[SourceTitle "CBM 205 Extra"]
[Source "ChessBase"]
[SourceDate "2022.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2022.01.31"]
[SourceQuality "1"]
[WhiteTeam "Boyaca (W)"]
[BlackTeam "Atlantico Quintal (W)"]
[WhiteTeamCountry "COL"]
[BlackTeamCountry "COL"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. 0-0 0-0 7. a4 a6 8. Be3 Bxe3 9. fxe3 Ne7 10. Nbd2 Ng6 11. Re1 d5 12. exd5 Nxd5 13. Nf1 c6 14. a5 Be6 15. Ng3 Qe7 16. Qb3 Rfe8 17. Ne4 h6 18. d4 f5 19. Nc5 e4 20. Nd2 Rab8 21. Kh1 Kh8 22. Nf1 Bg8 23. Ng3 Qg5 24. Bxd5 Bxd5 25. c4 Bg8 26. Rad1 Re7 27. Rf1 f4 28. Ngxe4 Qg4 29. Nf2 Qe2 30. exf4 Bxc4 31. Qg3 Qxb2 32. Qxg6 Bxf1 33. Rxf1 Qxf2 34. Rg1 Re1 0-1

[Event "COL-ch sf (Women)"]
[Site "Santa Rosa"]
[Date "2021.08.16"]
[Round "8"]
[White "Mercado Maestre, Maria Angel"]
[Black "Carrillo Riano, Karen Sofia"]
[Result "0-1"]
[ECO "E24"]
[WhiteElo "1312"]
[BlackElo "1217"]
[PlyCount "41"]
[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. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. Nf3 d6 7. e3 Nbd7 8. Bd3 0-0 9. Qc2 b6 10. 0-0 Bb7 11. Ng5 h6 12. Ne4 Qc7 13. Nxf6+ Nxf6 14. e4 Rac8 15. d5 e5 16. f4 b5 17. fxe5 dxe5 18. Be3 Ng4 19. Bf2 f5 20. exf5 e4 21. Bxe4 0-1

[Event "COL-ch sf (Women)"]
[Site "Santa Rosa"]
[Date "2021.08.16"]
[Round "9"]
[White "Quevedo Bonilla, Paula Thaliana"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1196"]
[BlackElo "1312"]
[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 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. b4 Bb6 7. e5 Ne4 8. 0-0 0-0 9. b5 Na5 10. Bd3 Nxc3 11. Nxc3 dxc3 12. Bc2 f5 13. Qd3 d6 14. exd6 Qxd6 15. Qxc3 Qf6 16. Qxf6 Rxf6 17. Bb2 Rf8 18. Rfe1 Bc5 19. Bc3 b6 20. Bxa5 bxa5 21. Bb3+ Kh8 22. Ne5 g6 23. Rac1 Bd6 24. Nf7+ Kg7 25. Nxd6 cxd6 26. Rc7+ Kf6 27. Ree7 h6 28. f4 g5 29. fxg5+ 1-0

[Event "COL-ch sf (Women)"]
[Site "Santa Rosa"]
[Date "2021.08.15"]
[Round "7"]
[White "Macias Chavarro, Manuela"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "1723"]
[BlackElo "1312"]
[PlyCount "65"]
[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. Bb5 a6 4. Ba4 Nf6 5. 0-0 b5 6. Bb3 Bc5 7. c3 Bb6 8. d4 exd4 9. e5 Ng8 10. cxd4 Nge7 11. Ng5 Ng6 12. Nxf7 Qe7 13. Nxh8 Nxh8 14. Be3 Bb7 15. Nc3 Kd8 16. Qh5 h6 17. Nd5 Qf8 18. Nxb6 cxb6 19. d5 Ne7 20. Bxb6+ Kc8 21. Qh3 Bxd5 22. Bc5 Bxb3 23. axb3 Qf7 24. Bxe7 Qxe7 25. Qc3+ Kb7 26. Rfc1 Qd8 27. Rc2 Ng6 28. Rac1 Ne7 29. e6 Rc8 30. Qf3+ Nc6 31. Qf7 Rc7 32. e7 Nxe7 33. Rxc7+ 1-0

[Event "COL-ch sf (Women)"]
[Site "Santa Rosa"]
[Date "2021.08.15"]
[Round "6"]
[White "Mercado Maestre, Maria Angel"]
[Black "Zapata, Olga Maria"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "1312"]
[BlackElo "1641"]
[PlyCount "85"]
[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 d5 2. c4 e6 3. Nc3 a6 4. cxd5 exd5 5. Nf3 c6 6. Bf4 Bf5 7. e3 Bd6 8. Bg3 Nf6 9. Bd3 Bxd3 10. Qxd3 Qc7 11. Ne5 0-0 12. Rc1 Qe7 13. 0-0 Nh5 14. e4 Nxg3 15. hxg3 dxe4 16. Qxe4 Nd7 17. Rfe1 Nf6 18. Qh4 Qd8 19. f4 Bb4 20. Rcd1 Qa5 21. Nc4 Qc7 22. Re3 Rfe8 23. Rde1 Rxe3 24. Rxe3 Qd7 25. Ne2 Nd5 26. Re4 f6 27. a3 Bf8 28. Nc3 Qf5 29. g4 Qd7 30. f5 Rd8 31. g3 Qf7 32. g5 fxg5 33. Qxg5 Be7 34. Qg4 Nf6 35. Ne5 Qe8 36. Qf4 Nxe4 37. Nxe4 Qf8 38. Qg4 Bf6 39. Kg2 Qe7 40. Kf3 Bxe5 41. dxe5 Qxe5 42. f6 g6 43. f7+ 1-0

[Event "COL-ch sf (Women)"]
[Site "Santa Rosa"]
[Date "2021.08.14"]
[Round "5"]
[White "Moncada Correa, Sara"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "1828"]
[BlackElo "1312"]
[PlyCount "75"]
[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 d5 2. c4 e6 3. Nf3 Nf6 4. g3 c5 5. cxd5 Nxd5 6. Bg2 Nc6 7. 0-0 Qb6 8. e4 Nf6 9. d5 Nd4 10. Nc3 Be7 11. Nxd4 cxd4 12. Na4 Qb4 13. a3 Qc4 14. b3 Qb5 15. Bb2 e5 16. h3 0-0 17. f4 Bd6 18. fxe5 Bxe5 19. Bxd4 Bxd4+ 20. Qxd4 Qxb3 21. e5 Nd7 22. Rf3 Qc2 23. Re1 Re8 24. Rfe3 Nf8 25. Nc3 Qg6 26. Nb5 Rd8 27. Nc7 Rb8 28. Qxa7 Bd7 29. e6 fxe6 30. dxe6 Bxe6 31. Nxe6 Nxe6 32. Rxe6 Qxg3 33. Qe3 Qc7 34. Re7 Qa5 35. Qe6+ Kh8 36. Re8+ Rxe8 37. Qxe8+ Rxe8 38. Rxe8# 1-0

[Event "COL-ch sf (Women)"]
[Site "Santa Rosa"]
[Date "2021.08.14"]
[Round "4"]
[White "Ramos Rocha, Natalia"]
[Black "Mercado Maestre, Maria Angel"]
[Result "0-1"]
[ECO "C50"]
[WhiteElo "1184"]
[BlackElo "1312"]
[PlyCount "25"]
[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. 0-0 Nf6 5. d3 d6 6. h3 Bb6 7. Bg5 h6 8. Bh4 g5 9. Bg3 Nh5 10. Nxe5 Nxg3 11. Nxf7 Qf6 12. Nxh8 Nxf1 13. Qh5+ 0-1

[Event "COL-ch sf (Women)"]
[Site "Santa Rosa"]
[Date "2021.08.13"]
[Round "3"]
[White "Mercado Maestre, Maria Angel"]
[Black "Mogollon Tobar, Nicolle Juliet"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1312"]
[BlackElo "1748"]
[PlyCount "80"]
[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 e6 3. Bf4 d5 4. e3 c5 5. c3 Nc6 6. Nbd2 Be7 7. Bd3 0-0 8. 0-0 Nh5 9. Bg3 Nxg3 10. fxg3 f5 11. h3 Bd6 12. Kh2 c4 13. Bc2 Bd7 14. b3 b5 15. a4 a6 16. b4 Qc7 17. Qe1 Ne7 18. Ng1 g5 19. Ne2 Ng6 20. Nf3 h6 21. a5 Kg7 22. Kh1 Rae8 23. Nd2 Ne7 24. g4 Ng8 25. gxf5 exf5 26. Qf2 Nf6 27. Rae1 Ne4 28. Nxe4 dxe4 29. g3 Bc6 30. Qg2 Bd5 31. Rf2 Rf6 32. Ref1 Ref8 33. Bb1 Qe7 34. Bc2 Qe6 35. Bd1 Bc6 36. Bc2 Qe8 37. Bd1 Kh8 38. Bc2 Bd5 39. Bb1 Qe6 40. Bc2 f4 0-1

[Event "COL-ch sf (Women)"]
[Site "Santa Rosa"]
[Date "2021.08.13"]
[Round "2"]
[White "Penagos, Laura Valentina"]
[Black "Mercado Maestre, Maria Angel"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1600"]
[BlackElo "1312"]
[PlyCount "66"]
[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. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. 0-0 Bxc3 9. d5 Bf6 10. Re1 Ne7 11. Rxe4 d6 12. Bg5 Bxg5 13. Nxg5 0-0 14. Qh5 h6 15. Rae1 Ng6 16. Nf3 Qf6 17. Nd4 Bd7 18. Qd1 Rfe8 19. Qb3 Nf4 20. Nb5 Qg6 21. Qf3 Rxe4 22. Rxe4 Bxb5 23. Qxf4 Bxc4 24. Rxc4 Qb1+ 25. Rc1 Qxa2 26. Qd4 Qa5 27. b4 Qb6 28. Qxb6 axb6 29. Kf1 Rc8 30. b5 Kf8 31. Ke2 Ke7 32. Kd3 Kf6 33. h3 Ke7 0-1

[Event "COL-ch sf (Women)"]
[Site "Santa Rosa"]
[Date "2021.08.12"]
[Round "1"]
[White "Mercado Maestre, Maria Angel"]
[Black "Pachon Gutierrez, Adriana Paola"]
[Result "0-1"]
[ECO "E24"]
[WhiteElo "1312"]
[BlackElo "1993"]
[PlyCount "86"]
[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. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 b6 6. Bg5 Bb7 7. Rc1 h6 8. Bxf6 Qxf6 9. d5 Na6 10. e4 Nc5 11. Bd3 Qg6 12. g3 0-0 13. f3 exd5 14. cxd5 Bxd5 15. Bc2 Bc6 16. Ne2 Rae8 17. 0-0 Qf6 18. Nd4 Rd8 19. Qe2 Rfe8 20. Rfe1 Ne6 21. Nxc6 dxc6 22. e5 Qe7 23. Qe4 Qc5+ 24. Qe3 Rd2 25. Kh1 Red8 26. Bb3 Qxe3 27. Rxe3 Nc5 28. Bc4 b5 29. Be2 Ra2 30. c4 Rdd2 31. Re1 bxc4 32. Kg1 Nd3 33. Bxd3 cxd3 34. e6 Rg2+ 35. Kh1 Rxh2+ 36. Kg1 fxe6 37. Rxe6 Rhg2+ 38. Kh1 Rge2 39. R6xe2 Rxe2 40. Rd1 d2 41. Kg1 Re1+ 42. Rxe1 dxe1Q+ 43. Kh2 c5 0-1

[Event "COL-ch U16"]
[Site "Bogota"]
[Date "2021.03.28"]
[Round "7"]
[White "Guarin Fonseca, Nobel Alfredo"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1-0"]
[ECO "A11"]
[WhiteElo "1862"]
[BlackElo "1282"]
[PlyCount "83"]
[EventDate "2021.03.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. Nf3 d5 2. c4 c6 3. g3 Nf6 4. Bg2 Bf5 5. Qb3 Qb6 6. 0-0 e6 7. d4 c5 8. Nc3 Nc6 9. cxd5 Qxb3 10. axb3 Nxd5 11. dxc5 Nxc3 12. bxc3 Bxc5 13. b4 Bb6 14. b5 Ne7 15. Nd4 Rb8 16. Bf4 Rd8 17. Bxb7 0-0 18. Nxf5 Nxf5 19. Rfd1 f6 20. e4 Ne7 21. Bd6 Rfe8 22. c4 Nc8 23. Bb4 Bd4 24. Rab1 e5 25. Bc6 Kf7 26. Bxe8+ Kxe8 27. c5 Kd7 28. Ba5 Re8 29. b6 Kc6 30. b7 Ne7 31. b8Q Rxb8 32. Rxb8 Kxc5 33. Bb4+ Kc6 34. Bxe7 Kc7 35. Rg8 Kd7 36. Bc5 Ke6 37. Bxd4 exd4 38. Rxd4 g6 39. Rgd8 Ke7 40. R8d7+ Kf8 41. Rxa7 h6 42. Rd8# 1-0

[Event "COL-ch U16"]
[Site "Bogota"]
[Date "2021.03.27"]
[Round "6"]
[White "Mercado Maestre, Maria Angel"]
[Black "Guzman Galeano, Erick Samir"]
[Result "1-0"]
[ECO "A42"]
[WhiteElo "1282"]
[BlackElo "1609"]
[PlyCount "75"]
[EventDate "2021.03.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d6 2. c4 Nd7 3. Nc3 g6 4. e4 Bg7 5. f3 e5 6. d5 Ne7 7. Be3 f5 8. Bd3 f4 9. Bf2 Nf6 10. Nge2 Bd7 11. 0-0 h5 12. Bh4 Nh7 13. h3 g5 14. Be1 Nf6 15. Kh2 g4 16. Bh4 Ng6 17. Bxf6 Qxf6 18. Ng1 Nh4 19. Qe1 g3+ 20. Kh1 Rh6 21. Qd2 Ke7 22. b4 Ng6 23. c5 Nh8 24. Nb5 Kd8 25. Qc2 Bf8 26. c6 bxc6 27. dxc6 Bc8 28. Nc3 Nf7 29. Nd5 Qg6 30. Qa4 Qg7 31. Ba6 Be6 32. Bb7 Rc8 33. Bxc8 Bxc8 34. Qxa7 Ng5 35. Qb8 Rh7 36. Rac1 Ne6 37. Rc3 Ng5 38. Ra3 1-0

[Event "COL-ch U16"]
[Site "Bogota"]
[Date "2021.03.27"]
[Round "5"]
[White "Mercado Maestre, Maria Angel"]
[Black "Orozco Fernandez, Eliana Andrea"]
[Result "1/2-1/2"]
[ECO "D36"]
[WhiteElo "1282"]
[BlackElo "1325"]
[PlyCount "100"]
[EventDate "2021.03.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[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. cxd5 exd5 5. Bg5 Be7 6. e3 0-0 7. Qc2 Nbd7 8. Bd3 h6 9. Bxf6 Nxf6 10. Nf3 c6 11. 0-0 Re8 12. a3 a5 13. Rab1 Bd6 14. h3 Be6 15. Rfc1 b5 16. b4 axb4 17. axb4 Qe7 18. Qb2 Bd7 19. Nd2 Ra6 20. e4 dxe4 21. Ncxe4 Nxe4 22. Nxe4 Rea8 23. Re1 Ra2 24. Qc3 R8a3 25. Nxd6 Qxd6 26. Rb3 Rxb3 27. Qxb3 Be6 28. Qxa2 Bxa2 29. Re8+ Qf8 30. Bh7+ Kxh7 31. Rxf8 Bd5 32. f4 g6 33. g4 Kg7 34. Rd8 Kf6 35. Kf2 h5 36. Kg3 hxg4 37. hxg4 Ke7 38. Rh8 Kf6 39. g5+ Kf5 40. Re8 Be6 41. Kf3 Bd5+ 42. Ke3 Kg4 43. Re5 Kg3 44. f5 Kg4 45. fxg6 fxg6 46. Kd3 Kf4 47. Ke2 Bf3+ 48. Kf2 Bd5 49. Ke2 Bf3+ 50. Kf2 Bd5 1/2-1/2

[Event "COL-ch U16"]
[Site "Bogota"]
[Date "2021.03.26"]
[Round "4"]
[White "Diaz Larrea, Juan Manuel"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1583"]
[BlackElo "1282"]
[PlyCount "80"]
[EventDate "2021.03.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 g6 3. f4 Bg7 4. Nf3 Nc6 5. Bc4 e6 6. d3 Nge7 7. 0-0 d5 8. Bb3 0-0 9. Qe1 Na5 10. Qh4 Nxb3 11. axb3 Nc6 12. Qf2 b6 13. e5 Bb7 14. Nb5 Qe7 15. Nd6 f6 16. Qh4 Qd7 17. Qh3 Bc8 18. Nxc8 Raxc8 19. exf6 Bxf6 20. Re1 Rfe8 21. Ng5 Bxg5 22. fxg5 Nd4 23. c3 Nc2 24. Bf4 Nxa1 25. Rxa1 Re7 26. Be5 Rf7 27. Bf6 Re8 28. Re1 Qc6 29. Re3 c4 30. bxc4 dxc4 31. d4 b5 32. Qh6 Qa6 33. h4 Qa1+ 34. Kh2 Qf1 35. Rf3 Qe1 36. Be5 Rd7 37. h5 Qe4 38. Rf4 Qd3 39. Rf6 Qe4 40. hxg6 Rg7 1-0

[Event "COL-ch U16"]
[Site "Bogota"]
[Date "2021.03.25"]
[Round "2"]
[White "Lopez Rayo, Isabella"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1738"]
[BlackElo "1282"]
[PlyCount "83"]
[EventDate "2021.03.24"]
[EventType "swiss"]
[EventRounds "7"]
[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 Qf6 5. Nb5 Bc5 6. Qe2 Kd8 7. N1c3 Nge7 8. f4 d6 9. Na4 Bb4+ 10. c3 Ba5 11. e5 Qg6 12. b4 a6 13. Na3 b5 14. bxa5 bxa4 15. Nc4 Bg4 16. Qd3 Qxd3 17. Bxd3 d5 18. Ne3 Bd7 19. Ba3 Be6 20. 0-0 g6 21. Rfd1 Nxa5 22. c4 c6 23. Bc2 Nf5 24. Nxf5 gxf5 25. cxd5 Bxd5 26. Bxa4 Kc7 27. Bd6+ Kd7 28. Bb4 Nb7 29. Rxd5+ Kc7 30. Rdd1 Rhg8 31. Bd6+ Kb6 32. Rab1+ Ka7 33. Bxc6 Nxd6 34. Bxa8 Rxa8 35. Rxd6 Rc8 36. Rd7+ Ka8 37. Rxf7 h5 38. e6 h4 39. e7 h3 40. Rf8 Rb8 41. Rfxb8+ Ka7 42. R1b7# 1-0

[Event "COL-ch U16"]
[Site "Bogota"]
[Date "2021.03.25"]
[Round "3"]
[White "Mercado Maestre, Maria Angel"]
[Black "Tovar Estevez Breton, Isabela"]
[Result "1-0"]
[ECO "A65"]
[WhiteElo "1282"]
[BlackElo "1046"]
[PlyCount "89"]
[EventDate "2021.03.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f3 Bg7 8. Bd3 0-0 9. Nge2 a6 10. a4 Nbd7 11. 0-0 Ne5 12. f4 c4 13. fxe5 cxd3 14. Qxd3 dxe5 15. Kh1 Ng4 16. h3 Qh4 17. Qg3 Qh5 18. Kg1 Nh6 19. Qg5 Qxg5 20. Bxg5 f5 21. Be7 Re8 22. d6 Bd7 23. Nd5 Rab8 24. Nc7 Rec8 25. Nc3 fxe4 26. N3d5 b6 27. Bg5 Nf5 28. g4 Nxd6 29. Ne7+ Kh8 30. Nxc8 Rxc8 31. Rfd1 Rxc7 32. Rxd6 Bf8 33. Rd5 Bc5+ 34. Kf1 Bd4 35. Bf6+ Kg8 36. Bxe5 Bxe5 37. Rxe5 Rc4 38. a5 Bb5 39. Rxb5 axb5 40. axb6 Rc6 41. b7 Rb6 42. Ra8+ Kf7 43. b8Q Rxb8 44. Rxb8 Ke6 45. Rxb5 1-0

[Event "COL-ch U16"]
[Site "Bogota"]
[Date "2021.03.24"]
[Round "1"]
[White "Cabiativa, Juan Esteban"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1-0"]
[ECO "A25"]
[WhiteElo "1765"]
[BlackElo "1282"]
[PlyCount "111"]
[EventDate "2021.03.24"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 e5 2. g3 Nc6 3. Bg2 Bc5 4. Nc3 d6 5. e3 Bf5 6. d3 Qd7 7. a3 a5 8. h3 Nge7 9. Nge2 0-0 10. b3 Be6 11. d4 Bb6 12. d5 Bf5 13. dxc6 bxc6 14. Bb2 Rad8 15. b4 Be6 16. Qd3 f5 17. Na4 axb4 18. axb4 Rf7 19. Nxb6 cxb6 20. 0-0 Qc7 21. Rfd1 e4 22. Qc3 d5 23. Nf4 Bc8 24. cxd5 Nxd5 25. Nxd5 cxd5 26. Qxc7 Rxc7 27. Rdc1 Rb7 28. Ra8 Kf7 29. Rcxc8 Rdd7 30. Bf1 Kg6 31. Bd4 Rd6 32. b5 Kg5 33. Kg2 g6 34. Be5 Re6 35. Bf4+ Kf6 36. Rf8+ Kg7 37. Rg8+ Kf7 38. Raf8+ Ke7 39. Re8+ Kd7 40. Rxe6 Kxe6 41. Rb8 Rxb8 42. Bxb8 Kd7 43. g4 fxg4 44. hxg4 Kc8 45. Be5 Kd7 46. Kg3 Ke6 47. Bd4 Kd6 48. Bxb6 Kd7 49. Kf4 Kc8 50. Ke5 Kb7 51. Bc5 Kb8 52. g5 Ka8 53. Kf6 Kb7 54. Kg7 Kb8 55. Kxh7 Kb7 56. Kxg6 1-0

[Event "Djerba Online (Women)"]
[Site "Lichess.org INT"]
[Date "2020.06.14"]
[Round "3"]
[White "Afraoui, Anaelle"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1-0"]
[ECO "C78"]
[WhiteElo "2120"]
[BlackElo "1282"]
[PlyCount "105"]
[EventDate "2020.06.14"]
[EventType "swiss (blitz)"]
[EventRounds "17"]
[EventCountry "TUN"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Bc5 6. c3 Bb6 7. 0-0 Nf6 8. d4 d6 9. dxe5 Nxe5 10. Nxe5 dxe5 11. Qxd8+ Kxd8 12. Bg5 Ke7 13. c4 Bd7 14. Nc3 Bd4 15. Nd5+ Ke6 16. Nxc7+ Kd6 17. Nxa8 Rxa8 18. Bxf6 gxf6 19. cxb5 Bxb5 20. Rfd1 Ke7 21. Rd2 Rc8 22. Rad1 Bc6 23. Bd5 Bb5 24. b3 a5 25. g3 Bd7 26. Kg2 Bc3 27. Rc2 Bd4 28. Rxc8 Bxc8 29. Rc1 Bd7 30. Rc7 Kd6 31. Rb7 Be6 32. Bxe6 fxe6 33. Rxh7 f5 34. f3 f4 35. g4 Kc5 36. Rb7 Kc6 37. Re7 Kd6 38. Rf7 Kc5 39. h4 Kb4 40. h5 Ka3 41. h6 Kxa2 42. h7 Kxb3 43. h8Q a4 44. Rb7+ Ka2 45. Qc8 a3 46. Qc2+ Bb2 47. g5 Ka1 48. g6 Ka2 49. g7 Ka1 50. g8Q Ka2 51. Qa8 Ka1 52. Qxa3+ Bxa3 53. Qb1# 1-0

[Event "Djerba Online (Women)"]
[Site "Lichess.org INT"]
[Date "2020.06.14"]
[Round "7"]
[White "Deeb, Diana"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1-0"]
[ECO "D45"]
[BlackElo "1282"]
[PlyCount "99"]
[EventDate "2020.06.14"]
[EventType "swiss (blitz)"]
[EventRounds "17"]
[EventCountry "TUN"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. c4 c6 4. Nc3 e6 5. e3 Be7 6. Bd3 h6 7. 0-0 Nbd7 8. Re1 dxc4 9. Bxc4 Nb6 10. Bd3 Nbd5 11. e4 Nxc3 12. bxc3 0-0 13. e5 Nd5 14. Bb2 Nf4 15. Bc2 Nd5 16. Qd3 g6 17. Bc1 Kg7 18. Qd2 Rh8 19. c4 Nb6 20. Qd3 h5 21. Nd2 h4 22. h3 Bd7 23. Ne4 Be8 24. f4 f5 25. exf6+ Bxf6 26. Nxf6 Qxf6 27. Bb2 Kf7 28. Rab1 Rh5 29. d5 Qf5 30. dxe6+ Ke7 31. Qa3+ Qc5+ 32. Qxc5+ Rxc5 33. Ba3 Kd6 34. Rbd1+ Kc7 35. Bxc5 Nxc4 36. Bb3 Nb6 37. Bxb6+ axb6 38. Rf1 Ra5 39. Rd3 Rf5 40. Bc2 Rf6 41. Re3 Kd6 42. Rd1+ Kc7 43. Rf3 b5 44. Bb3 Kb6 45. Rdf1 Kc7 46. f5 Kb6 47. fxg6 Rxf3 48. Rxf3 Bxg6 49. e7 Be8 50. Re3 1-0

[Event "Djerba Online (Women)"]
[Site "Lichess.org INT"]
[Date "2020.06.14"]
[Round "17"]
[White "Djerroud, Chahrazed"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1-0"]
[ECO "C50"]
[WhiteElo "1496"]
[BlackElo "1282"]
[PlyCount "43"]
[EventDate "2020.06.14"]
[EventType "swiss (blitz)"]
[EventRounds "17"]
[EventCountry "TUN"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 d6 5. d3 Nf6 6. Bg5 h6 7. Bh4 g5 8. Bg3 Bg4 9. h3 Bh5 10. Bh2 Nd4 11. g4 Nxg4 12. hxg4 Bxg4 13. Bxf7+ Kxf7 14. Nxe5+ dxe5 15. Qxg4 Qf6 16. 0-0-0 h5 17. Qd7+ Kg6 18. Qxc7 Qxf2 19. Rdf1 Qe3+ 20. Kb1 Bb4 21. Qf7+ Kh6 22. Rf6# 1-0

[Event "Djerba Online (Women)"]
[Site "Lichess.org INT"]
[Date "2020.06.14"]
[Round "10"]
[White "Donado Orostegui, Valentina"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1-0"]
[ECO "C55"]
[WhiteElo "1152"]
[BlackElo "1282"]
[PlyCount "119"]
[EventDate "2020.06.14"]
[EventType "swiss (blitz)"]
[EventRounds "17"]
[EventCountry "TUN"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Nc3 Nf6 4. Bc4 Nxe4 5. Nxe4 d5 6. Bxd5 Qxd5 7. d3 f5 8. Ng3 Bc5 9. Be3 Bxe3 10. fxe3 0-0 11. 0-0 f4 12. exf4 Rxf4 13. Ne4 Bg4 14. h3 Bxf3 15. Rxf3 Raf8 16. Rxf4 Rxf4 17. Qe2 Nd4 18. Qd1 Qf7 19. c3 Nf5 20. Qe2 Qg6 21. Kh2 Nh4 22. Rg1 Nf5 23. Qe3 h5 24. Ng3 Nxg3 25. Qxg3 Qxg3+ 26. Kxg3 Ra4 27. a3 Kf7 28. Rf1+ Ke6 29. Rf3 h4+ 30. Kf2 Rf4 31. Rxf4 exf4 32. Kf3 Kf5 33. d4 g5 34. b3 c6 35. c4 a5 36. b4 axb4 37. axb4 b6 38. d5 cxd5 39. cxd5 Ke5 40. Kg4 Kxd5 41. Kxg5 Kc4 42. Kxf4 Kxb4 43. Kg4 Kc3 44. Kxh4 b5 45. g4 b4 46. g5 b3 47. g6 b2 48. g7 b1Q 49. g8Q Qe4+ 50. Qg4 Qh7+ 51. Kg3 Qc7+ 52. Qf4 Qg7+ 53. Kf3 Qb7+ 54. Qe4 Qf7+ 55. Ke3 Qa7+ 56. Kf3 Qf7+ 57. Qf4 Qb7+ 58. Kg4 Qg7+ 59. Qg5 Qd4+ 60. Kh5 1-0

[Event "Djerba Online (Women)"]
[Site "Lichess.org INT"]
[Date "2020.06.14"]
[Round "5"]
[White "Gasser, Rana"]
[Black "Mercado Maestre, Maria Angel"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "1150"]
[BlackElo "1282"]
[PlyCount "60"]
[EventDate "2020.06.14"]
[EventType "swiss (blitz)"]
[EventRounds "17"]
[EventCountry "TUN"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. e3 Nf6 4. Nf3 e6 5. Be2 Be7 6. 0-0 h6 7. Nc3 0-0 8. b3 Nbd7 9. Bb2 Re8 10. Qc2 Nf8 11. e4 dxe4 12. Nxe4 Nxe4 13. Qxe4 Ng6 14. Qc2 Bf6 15. Bd3 Nf4 16. Rad1 Nxd3 17. Qxd3 Qe7 18. Nd2 b6 19. Ne4 Bb7 20. Nxf6+ Qxf6 21. Rd2 Qe7 22. Re1 Rad8 23. Re3 Qd6 24. Rg3 g5 25. Qf3 Qe7 26. Qh5 Kg7 27. d5+ f6 28. Rf3 exd5 29. Bxf6+ Qxf6 30. Rxf6 Re1# 0-1

[Event "Djerba Online (Women)"]
[Site "Lichess.org INT"]
[Date "2020.06.14"]
[Round "1"]
[White "Issa, Maei"]
[Black "Mercado Maestre, Maria Angel"]
[Result "0-1"]
[ECO "C50"]
[BlackElo "1282"]
[PlyCount "80"]
[EventDate "2020.06.14"]
[EventType "swiss (blitz)"]
[EventRounds "17"]
[EventCountry "TUN"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. 0-0 d6 5. h3 Nf6 6. c3 a5 7. d4 Bb6 8. Re1 0-0 9. d5 Ne7 10. Be3 Nc6 11. dxc6 Bxe3 12. Rxe3 bxc6 13. Bb3 c5 14. Nbd2 Bd7 15. Qc1 Qc8 16. Ng5 h6 17. Ngf3 Nh5 18. Qd1 Nf4 19. Nh2 Rb8 20. Rg3 Kh7 21. Qf3 Bb5 22. c4 Bd7 23. Bc2 Rxb2 24. Bb3 Rxd2 25. Rb1 Ne2+ 26. Kf1 Nxg3+ 27. fxg3 Rd4 28. Ng4 Bxg4 29. hxg4 Qd8 30. Bc2 Qg5 31. Kg1 f6 32. Rf1 Rb8 33. Qe2 Rb2 34. Qd1 Rxd1 35. Bxd1 Qd2 36. Bf3 Qe3+ 37. Kh2 g5 38. Rc1 Qxc1 39. a4 Rb1 40. Kh3 Qh1# 0-1

[Event "Djerba Online (Women)"]
[Site "Lichess.org INT"]
[Date "2020.06.14"]
[Round "12"]
[White "Kendi, Hiba Yamina"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1-0"]
[ECO "C45"]
[WhiteElo "1227"]
[BlackElo "1282"]
[PlyCount "65"]
[EventDate "2020.06.14"]
[EventType "swiss (blitz)"]
[EventRounds "17"]
[EventCountry "TUN"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Nxd4 Qf6 5. Nb5 Bc5 6. Be3 Bxe3 7. fxe3 Qxb2 8. N1c3 Qb4 9. Rb1 Qa5 10. Qd2 a6 11. Nd4 Nxd4 12. exd4 Nf6 13. Bd3 d6 14. 0-0 0-0 15. Rxf6 gxf6 16. Rf1 Kg7 17. e5 dxe5 18. Rxf6 Kxf6 19. Ne4+ Ke7 20. Qxa5 exd4 21. Qxc7+ Bd7 22. Nc5 Rfd8 23. Bf5 Rac8 24. Qe5+ Kf8 25. Nxd7+ Kg8 26. Nf6+ Kf8 27. Nxh7+ Kg8 28. Nf6+ Kf8 29. Bxc8 Rxc8 30. Nd7+ Kg8 31. Qg5+ Kh8 32. Nf6 Rg8 33. Qh6# 1-0

[Event "Djerba Online (Women)"]
[Site "Lichess.org INT"]
[Date "2020.06.14"]
[Round "15"]
[White "Maroua, Houkka"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1-0"]
[ECO "C50"]
[BlackElo "1282"]
[PlyCount "65"]
[EventDate "2020.06.14"]
[EventType "swiss (blitz)"]
[EventRounds "17"]
[EventCountry "TUN"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. d3 d6 5. Ng5 Nh6 6. Qh5 Qf6 7. Be3 Bxe3 8. fxe3 Bg4 9. Qh4 Nb4 10. Na3 Qg6 11. Rf1 f6 12. Qg3 fxg5 13. h4 gxh4 14. Qxh4 Be6 15. Nb5 Bxc4 16. dxc4 Nxc2+ 17. Kd2 Nxa1 18. Nxc7+ Kd7 19. Nxa8 Rxa8 20. Rxa1 Qxe4 21. Qxe4 Rf8 22. Qxb7+ Ke6 23. c5 Rf2+ 24. Kd3 Rxg2 25. Qc8+ Ke7 26. c6 Ng4 27. Qd7+ Kf6 28. c7 e4+ 29. Kxe4 Ne5 30. Qd8+ Ke6 31. c8Q+ Kf7 32. Qe8+ Kf6 33. Qf5# 1-0

[Event "Djerba Online (Women)"]
[Site "Lichess.org INT"]
[Date "2020.06.14"]
[Round "14"]
[White "Mercado Maestre, Maria Angel"]
[Black "Alaoui Belghiti, Chaimaa"]
[Result "1-0"]
[ECO "E24"]
[WhiteElo "1282"]
[BlackElo "1703"]
[PlyCount "59"]
[EventDate "2020.06.14"]
[EventType "swiss (blitz)"]
[EventRounds "17"]
[EventCountry "TUN"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 0-0 6. Bg5 d5 7. cxd5 exd5 8. e3 Bf5 9. Bd3 Bxd3 10. Qxd3 Nbd7 11. Nf3 h6 12. Bh4 Qe7 13. h3 c5 14. Bxf6 Nxf6 15. 0-0 Rac8 16. Qb5 b6 17. Ne5 Rfd8 18. a4 Rf8 19. Rfc1 cxd4 20. cxd4 Rxc1+ 21. Rxc1 Qe6 22. Rc7 Ne4 23. Rxa7 Qf6 24. f3 Nc3 25. Qd3 Na2 26. Nd7 Qe7 27. Qb3 Nc1 28. Qc2 Na2 29. Qxa2 Rd8 30. Qxd5 1-0

[Event "Djerba Online (Women)"]
[Site "Lichess.org INT"]
[Date "2020.06.14"]
[Round "8"]
[White "Mercado Maestre, Maria Angel"]
[Black "Chouli, Safia"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1282"]
[BlackElo "1589"]
[PlyCount "86"]
[EventDate "2020.06.14"]
[EventType "swiss (blitz)"]
[EventRounds "17"]
[EventCountry "TUN"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. cxd5 Nxd5 5. Bg5 f6 6. Nxd5 fxg5 7. Nc3 Bb4 8. e4 0-0 9. Bc4 Qf6 10. f3 Nc6 11. Qb3 Bxc3+ 12. bxc3 g4 13. e5 Qf4 14. fxg4 Qxg4 15. Nf3 Na5 16. Qb4 Qe4+ 17. Kf2 Nxc4 18. Qxc4 Qc2+ 19. Kg3 b6 20. Rac1 Qg6+ 21. Kf2 c5 22. dxc5 Bb7 23. c6 Rac8 24. c7 Qf7 25. Qg4 Rxc7 26. Rhe1 Ba6 27. Re3 Rc4 28. Qg3 Rfc8 29. Kg1 b5 30. Nd4 b4 31. Qh3 Rxc3 32. Rexc3 Rxc3 33. Rd1 Rxh3 34. Nc6 Qb7 35. Rd8+ Kf7 36. gxh3 Qxc6 37. Ra8 Qc1+ 38. Kf2 Qf1+ 39. Kg3 Kg6 40. Kh4 Qf2+ 41. Kg4 Qf5+ 42. Kg3 Kg5 43. Kg2 Qe4+ 0-1

[Event "Djerba Online (Women)"]
[Site "Lichess.org INT"]
[Date "2020.06.14"]
[Round "9"]
[White "Mercado Maestre, Maria Angel"]
[Black "Cyrina, Abu Khalaf"]
[Result "1-0"]
[ECO "D32"]
[WhiteElo "1282"]
[PlyCount "67"]
[EventDate "2020.06.14"]
[EventType "swiss (blitz)"]
[EventRounds "17"]
[EventCountry "TUN"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 c5 4. dxc5 Bxc5 5. cxd5 Bb4 6. dxe6 Bxc3+ 7. bxc3 Qxd1+ 8. Kxd1 fxe6 9. Bf4 h6 10. e3 g5 11. Bg3 Nf6 12. Be5 Rf8 13. Bc4 Nc6 14. Bxf6 Rxf6 15. Ne2 a6 16. Ke1 b5 17. Bb3 Na5 18. Rb1 Bb7 19. Kf1 h5 20. Nd4 Nxb3 21. Nxb3 h4 22. Nc5 Bc6 23. f3 g4 24. Ke2 gxf3+ 25. gxf3 Bxf3+ 26. Kd2 Bxh1 27. Rxh1 Rf2+ 28. Kd3 Rxa2 29. Rg1 Rxh2 30. Rg8+ Ke7 31. Rxa8 Rh3 32. Rxa6 Kf6 33. Rxe6+ Kf5 34. Rb6 1-0

[Event "Djerba Online (Women)"]
[Site "Lichess.org INT"]
[Date "2020.06.14"]
[Round "11"]
[White "Mercado Maestre, Maria Angel"]
[Black "Khalil, Hanan"]
[Result "1-0"]
[ECO "A53"]
[WhiteElo "1282"]
[BlackElo "1377"]
[PlyCount "45"]
[EventDate "2020.06.14"]
[EventType "swiss (blitz)"]
[EventRounds "17"]
[EventCountry "TUN"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d6 2. c4 Nf6 3. Nc3 Nbd7 4. e4 e5 5. d5 Be7 6. f3 c6 7. Be3 0-0 8. Bd3 a6 9. Nge2 Qc7 10. Ng3 Nc5 11. Qc2 cxd5 12. cxd5 Bd7 13. Rc1 Rac8 14. Qe2 Qa5 15. a3 Nb3 16. Rc2 Ba4 17. Qf2 Nd4 18. Rc1 Nb3 19. Rc2 Na1 20. Rc1 Nb3 21. Rb1 Rc7 22. Bc2 Rxc3 23. Bxb3 1-0

[Event "Djerba Online (Women)"]
[Site "Lichess.org INT"]
[Date "2020.06.14"]
[Round "2"]
[White "Mercado Maestre, Maria Angel"]
[Black "Munkhzul, Turmunkh"]
[Result "0-1"]
[ECO "E24"]
[WhiteElo "1282"]
[BlackElo "2278"]
[PlyCount "54"]
[EventDate "2020.06.14"]
[EventType "swiss (blitz)"]
[EventRounds "17"]
[EventCountry "TUN"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 c5 6. Nf3 Nc6 7. Bg5 cxd4 8. cxd4 d5 9. e3 0-0 10. Ne5 h6 11. Nxc6 bxc6 12. Bxf6 Qxf6 13. c5 e5 14. Be2 Rb8 15. 0-0 Bf5 16. Bg4 Bg6 17. Qe2 exd4 18. exd4 Qxd4 19. Rac1 Rfe8 20. Qa6 Qxg4 21. Qxc6 Rbc8 22. Qxd5 Be4 23. Qxe4 Qxe4 24. Rfd1 Rxc5 25. Ra1 Rg5 26. f3 Qxf3 27. Kh1 Qxg2# 0-1

[Event "Djerba Online (Women)"]
[Site "Lichess.org INT"]
[Date "2020.06.14"]
[Round "4"]
[White "Mercado Maestre, Maria Angel"]
[Black "Rataj, Saad Mohsin"]
[Result "0-1"]
[ECO "A40"]
[WhiteElo "1282"]
[BlackElo "1041"]
[PlyCount "76"]
[EventDate "2020.06.14"]
[EventType "swiss (blitz)"]
[EventRounds "17"]
[EventCountry "TUN"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 e5 2. c4 c6 3. dxe5 Qe7 4. Nf3 c5 5. e3 Nc6 6. Nc3 Nxe5 7. Nd5 Qd6 8. Be2 Nf6 9. Nxe5 Qxe5 10. Bd2 Nxd5 11. cxd5 Qxb2 12. Bc4 Bd6 13. Rb1 Qf6 14. Qb3 0-0 15. Bc3 Qg6 16. g3 Qe4 17. 0-0 b6 18. Bd2 Be7 19. Bd3 Qf3 20. Qc2 d6 21. Rfe1 Bh3 22. Bf1 Bxf1 23. Kxf1 Qxd5 24. Kg1 f5 25. Rbd1 Rf6 26. Bc3 Qc4 27. Rc1 Rff8 28. Qb2 Qd5 29. Bxg7 Kf7 30. Bh6 Ke8 31. Bxf8 Bxf8 32. Qf6 Kd7 33. Qh6 Kc7 34. Qxh7+ Kb8 35. Qd7 Qb7 36. Qe8+ Kc7 37. Qe6 Kb8 38. Red1 Kc7 0-1

[Event "Djerba Online (Women)"]
[Site "Lichess.org INT"]
[Date "2020.06.14"]
[Round "16"]
[White "Mercado Maestre, Maria Angel"]
[Black "Tala, Draidi"]
[Result "1-0"]
[ECO "E82"]
[WhiteElo "1282"]
[PlyCount "59"]
[EventDate "2020.06.14"]
[EventType "swiss (blitz)"]
[EventRounds "17"]
[EventCountry "TUN"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 0-0 6. Bd3 b6 7. Be3 c5 8. d5 Bb7 9. Nge2 Nbd7 10. Ng3 Ne5 11. 0-0 Nxd3 12. Qxd3 e6 13. Rad1 e5 14. Qd2 Nd7 15. Bh6 Nf6 16. Bxg7 Kxg7 17. h4 Rh8 18. Qg5 h6 19. Qe3 g5 20. hxg5 hxg5 21. Qxg5+ Kf8 22. Nf5 Ke8 23. Qg7 Kd7 24. Qxf7+ Kc8 25. Qe6+ Kb8 26. Nxd6 Nd7 27. Ncb5 Qh4 28. Nf7 Rg8 29. Qd6+ Kc8 30. Qc7# 1-0

[Event "Djerba Online (Women)"]
[Site "Lichess.org INT"]
[Date "2020.06.14"]
[Round "6"]
[White "Mercado Maestre, Maria Angel"]
[Black "Valkova, Angelika"]
[Result "0-1"]
[ECO "E81"]
[WhiteElo "1282"]
[BlackElo "1978"]
[PlyCount "80"]
[EventDate "2020.06.14"]
[EventType "swiss (blitz)"]
[EventRounds "17"]
[EventCountry "TUN"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. d4 d6 2. c4 Nf6 3. Nc3 g6 4. e4 Bg7 5. Bg5 0-0 6. f3 h6 7. Bh4 g5 8. Bf2 e5 9. d5 c6 10. Be2 cxd5 11. cxd5 a5 12. Bc4 Na6 13. Ke2 Nc5 14. Ke1 b6 15. Nge2 Nh5 16. Ng3 Nf4 17. Nge2 Nxg2+ 18. Kf1 Nf4 19. Nxf4 exf4 20. Rg1 Bh3+ 21. Ke2 f5 22. Bxc5 bxc5 23. Qd3 fxe4 24. fxe4 f3+ 25. Kf2 Bd4+ 26. Ke1 f2+ 27. Kd2 fxg1Q 28. Rxg1 Bxg1 29. Qxh3 Qf6 30. Be2 Qd4+ 31. Kc2 Qe5 32. Qxh6 Qg7 33. Qe6+ Rf7 34. Bh5 Raf8 35. Bxf7+ Qxf7 36. Qh6 Qf2+ 37. Kb3 Rb8+ 38. Ka4 Qd4+ 39. Kxa5 Qb4+ 40. Ka6 Qb6# 0-1

[Event "Djerba Online (Women)"]
[Site "Lichess.org INT"]
[Date "2020.06.14"]
[Round "13"]
[White "Shaheen, Mays"]
[Black "Mercado Maestre, Maria Angel"]
[Result "0-1"]
[ECO "C70"]
[WhiteElo "1257"]
[BlackElo "1282"]
[PlyCount "78"]
[EventDate "2020.06.14"]
[EventType "swiss (blitz)"]
[EventRounds "17"]
[EventCountry "TUN"]
[SourceTitle "EXT 2021"]
[Source "ChessBase"]
[SourceDate "2020.10.23"]
[SourceVersion "1"]
[SourceVersionDate "2020.10.23"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 b5 5. Bb3 Bc5 6. c3 Bb6 7. 0-0 d6 8. h3 Bd7 9. d3 h6 10. Qe2 Nf6 11. Nbd2 Qc8 12. Rd1 Nh5 13. Nf1 Nf4 14. Bxf4 exf4 15. Qd2 g5 16. N1h2 Ne5 17. Nxe5 dxe5 18. Qe2 Bxh3 19. Qh5 Be6 20. Bxe6 Qxe6 21. Ng4 Rh7 22. Re1 Ke7 23. d4 exd4 24. cxd4 Bxd4 25. Rac1 Qb6 26. Re2 Rd8 27. e5 Rhh8 28. Rce1 Ke6 29. Qh3 h5 30. Nf6+ g4 31. Qh4 Ke7 32. Nd5+ Ke6 33. Nxb6 Bxb6 34. Qf6+ Kd5 35. Rd1+ Kc5 36. Rc2+ Kb4 37. e6 Rxd1+ 38. Kh2 g3+ 39. Kh3 Rh1# 0-1

[Event "Antioquia op"]
[Site "Antioquia"]
[Date "2020.03.08"]
[Round "9"]
[White "Mercado Maestre, Maria Angel"]
[Black "Escobar, Daniel"]
[Result "0-1"]
[ECO "C45"]
[WhiteElo "1313"]
[BlackElo "1463"]
[PlyCount "60"]
[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. d4 exd4 4. Nxd4 Nxd4 5. Qxd4 d6 6. Nc3 Nf6 7. Bg5 Be7 8. Bc4 0-0 9. 0-0 h6 10. Bh4 Be6 11. Bxe6 fxe6 12. f4 b6 13. Kh1 Nd7 14. Bxe7 Qxe7 15. Rad1 Rf7 16. g3 Raf8 17. Nb5 e5 18. Qe3 Nb8 19. f5 a6 20. Nc3 Nd7 21. Nd5 Qd8 22. Qe2 a5 23. Qg4 Nf6 24. Nxf6+ Qxf6 25. Kg2 Rd8 26. b3 c6 27. c4 Rfd7 28. Rf3 d5 29. cxd5 cxd5 30. Rfd3 d4 0-1

[Event "Antioquia op"]
[Site "Antioquia"]
[Date "2020.03.07"]
[Round "7"]
[White "Mercado Maestre, Maria Angel"]
[Black "Torres Rodriguez, Carlos Enrique"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1313"]
[BlackElo "1103"]
[PlyCount "81"]
[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. d4 d5 2. Nf3 e6 3. Bf4 Nf6 4. e3 c5 5. c3 Be7 6. Bd3 0-0 7. Nbd2 Nbd7 8. Ne5 Nxe5 9. dxe5 Nd7 10. Qf3 f6 11. Qh3 f5 12. g4 g6 13. Bh6 Re8 14. gxf5 exf5 15. e6 c4 16. exd7 Bxd7 17. Bc2 f4 18. Qg2 Bf8 19. Bxf4 Qf6 20. 0-0-0 Bc6 21. Qg5 Qg7 22. Rhg1 Re6 23. Nf3 h6 24. Qxg6 Qxg6 25. Rxg6+ Rxg6 26. Bxg6 Kg7 27. Rg1 Kf6 28. Be5+ Ke6 29. Bd4 Bd6 30. Rg2 a5 31. Nh4 a4 32. Bf5+ Kf7 33. Rg7+ Kf8 34. Ng6+ Ke8 35. Rg8+ Kf7 36. Rxa8 b5 37. Ra7+ Ke8 38. Be6 Bxh2 39. Rh7 Kd8 40. Bf6+ Ke8 41. Rh8# 1-0

[Event "Antioquia op"]
[Site "Antioquia"]
[Date "2020.03.07"]
[Round "8"]
[White "Perez Giraldo, Juan David"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1466"]
[BlackElo "1313"]
[PlyCount "38"]
[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. d4 exd4 6. cxd4 Bb4+ 7. Nc3 Nxe4 8. 0-0 Bxc3 9. bxc3 d5 10. Re1 0-0 11. Qc2 Nf6 12. Bd3 h6 13. Bd2 Be6 14. h3 Re8 15. Re2 Qc8 16. Rae1 Bd7 17. Kh2 Rxe2 18. Rxe2 Qe8 19. Qc1 Nh7 1-0

[Event "Antioquia op"]
[Site "Antioquia"]
[Date "2020.03.06"]
[Round "6"]
[White "De Avila Anaya, Camilo Andres"]
[Black "Mercado Maestre, Maria Angel"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "1313"]
[PlyCount "14"]
[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. d4 d5 2. Nc3 Nf6 3. f4 Bf5 4. Nf3 e6 5. h3 Ne4 6. Bd2 Be7 7. g4 Bh4+ 0-1

[Event "Antioquia op"]
[Site "Antioquia"]
[Date "2020.03.06"]
[Round "5"]
[White "Mercado Maestre, Maria Angel"]
[Black "Bonilla Barreiro, Maria Jose"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1313"]
[BlackElo "1108"]
[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. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 Be7 6. e3 h6 7. Bh4 Nc6 8. a3 Bf5 9. Bxf6 gxf6 10. Qb3 Be6 11. Qxb7 Bd7 12. Nxd5 Bd6 13. Nxf6+ Qxf6 14. Qxa8+ Ke7 15. Qb7 Rb8 16. Qa6 Rxb2 17. Ne2 Nb4 18. Qc4 Be6 19. d5 Bxd5 20. Qg4 Nd3+ 21. Kd1 Bb3# 0-1

[Event "Antioquia op"]
[Site "Antioquia"]
[Date "2020.03.05"]
[Round "4"]
[White "Munoz, Miguel Angel1111"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1-0"]
[ECO "C77"]
[WhiteElo "1734"]
[BlackElo "1313"]
[PlyCount "87"]
[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. Bb5 a6 4. Ba4 Bc5 5. d3 b5 6. Bb3 Nf6 7. Bg5 h6 8. Bh4 g5 9. Bg3 d6 10. h3 Be6 11. c3 Bxb3 12. Qxb3 Qd7 13. Qc2 Rg8 14. a3 Nh5 15. Nbd2 Nxg3 16. fxg3 g4 17. Nh4 gxh3 18. Rxh3 Ne7 19. Nb3 Bb6 20. Nd2 0-0-0 21. b4 d5 22. 0-0-0 Be3 23. Nhf3 dxe4 24. dxe4 Qe6 25. Kb2 Nc6 26. Nf1 Rxd1 27. Qxd1 Bg5 28. Qd5 Rg6 29. Nxg5 hxg5 30. Ne3 Kb7 31. g4 Qxd5 32. Nxd5 Nd8 33. Rf3 c6 34. Ne3 Kc7 35. Nf5 Rf6 36. Kc2 Ne6 37. Rh3 Nf4 38. Rh6 Rxh6 39. Nxh6 Nxg2 40. Kd2 f6 41. Ng8 Kd6 42. Nxf6 Ke6 43. Nh7 Nf4 44. Nxg5+ 1-0

[Event "Antioquia op"]
[Site "Antioquia"]
[Date "2020.03.04"]
[Round "3"]
[White "Mercado Maestre, Maria Angel"]
[Black "Guarin Fonseca, Nobel Alfredo"]
[Result "0-1"]
[ECO "D20"]
[WhiteElo "1313"]
[BlackElo "1713"]
[PlyCount "66"]
[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. d4 d5 2. c4 dxc4 3. e4 c5 4. Nf3 cxd4 5. Qxd4 Qxd4 6. Nxd4 a6 7. Bxc4 e5 8. Nf3 Nc6 9. a3 Bc5 10. Nc3 Nf6 11. 0-0 Bg4 12. Ng5 0-0 13. h3 Bh5 14. g4 Bg6 15. Bd3 Nd4 16. Be3 h6 17. Bxd4 exd4 18. Na4 Ba7 19. Nf3 b5 20. Nd2 bxa4 21. Rfe1 Nd5 22. Bxa6 Nf4 23. Bf1 Rab8 24. Rab1 Rfc8 25. Nc4 d3 26. Ne5 Rc2 27. Nxd3 Nxd3 28. Bxd3 Rxf2 29. Kh1 Rb3 30. Bf1 Bb8 31. Bg2 Rg3 32. Rg1 Bxe4 33. Bxe4 Rxh3# 0-1

[Event "Antioquia op"]
[Site "Antioquia"]
[Date "2020.03.04"]
[Round "2"]
[White "Valencia Alzate, Janna"]
[Black "Mercado Maestre, Maria Angel"]
[Result "0-1"]
[ECO "A25"]
[WhiteElo "1346"]
[BlackElo "1313"]
[PlyCount "85"]
[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 e5 2. Nc3 Nc6 3. g3 Bc5 4. Nf3 d6 5. Bg2 Bf5 6. d3 Qd7 7. 0-0 h6 8. e4 Bh3 9. Be3 Nd4 10. a3 Nf6 11. b4 Bb6 12. Nd5 Nxd5 13. exd5 Bg4 14. c5 Bxf3 15. Bxf3 dxc5 16. bxc5 Bxc5 17. Re1 0-0 18. Bg2 Rfe8 19. Qh5 Qd6 20. Red1 Nb3 21. Rab1 Bxe3 22. Rxb3 Bb6 23. Be4 Qc5 24. Qf5 g6 25. Qf6 Qe7 26. Qxe7 Rxe7 27. Rdb1 Rd8 28. Rb5 Rd6 29. Kg2 f5 30. Bf3 a6 31. R5b4 Kf7 32. Re1 Kf6 33. h4 h5 34. a4 Kf7 35. Ra1 Bd4 36. Re1 Bc3 37. Reb1 Bxb4 38. Rxb4 b6 39. Rc4 a5 40. d4 e4 41. Bd1 Kg7 42. Kf1 Rxd5 43. Ke2 0-1

[Event "COL-ch U20 Girls"]
[Site "Tolima"]
[Date "2020.02.15"]
[Round "6"]
[White "Mercado Maestre, Maria Angel"]
[Black "Cayon, Laura Valentina"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1276"]
[BlackElo "1740"]
[PlyCount "58"]
[EventDate "2020.02.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[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. cxd5 exd5 5. Nf3 Nf6 6. Bg5 Be7 7. e3 Bf5 8. Bd3 Bxd3 9. Qxd3 Nbd7 10. 0-0 0-0 11. Nd2 Re8 12. f3 Qb6 13. Rab1 Rad8 14. Kh1 c5 15. Rfc1 c4 16. Qe2 Qc6 17. e4 h6 18. Bxf6 Nxf6 19. e5 Bb4 20. Qf2 Nd7 21. a3 Bxc3 22. Rxc3 b5 23. f4 a5 24. Qf3 Nf8 25. a4 b4 26. Rxc4 Qxa4 27. Rc5 Ne6 28. Rxd5 Rxd5 29. Qxd5 Qc2 0-1

[Event "COL-ch U20 Girls"]
[Site "Tolima"]
[Date "2020.02.15"]
[Round "7"]
[White "Suaza Sanabria, Laura Sofia"]
[Black "Mercado Maestre, Maria Angel"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1405"]
[BlackElo "1276"]
[PlyCount "73"]
[EventDate "2020.02.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nc6 3. Nf3 Bc5 4. c3 Nf6 5. d3 a5 6. Nbd2 d6 7. Bb3 h6 8. h3 Be6 9. Bc2 Ne7 10. Nf1 Ng6 11. Ng3 0-0 12. 0-0 Qd7 13. d4 Bc4 14. dxc5 Bxf1 15. Nxf1 dxc5 16. Qxd7 Nxd7 17. Be3 b6 18. Rd1 Rad8 19. Ng3 Rfe8 20. h4 Nf6 21. Rxd8 Rxd8 22. h5 Nf4 23. Nxe5 N4xh5 24. Nxh5 Nxh5 25. Bb3 Rf8 26. Kf1 Nf6 27. f3 g5 28. Ke2 Kg7 29. Nc6 Re8 30. Bf2 Nh5 31. g3 Kg6 32. Kd3 Ng7 33. a3 Ne6 34. Ne5+ Kg7 35. Bxe6 Rxe6 36. Nc4 f6 37. g4 1/2-1/2

[Event "COL-ch U20 Girls"]
[Site "Tolima"]
[Date "2020.02.14"]
[Round "5"]
[White "Carrillo Riano, Karen Sofia"]
[Black "Mercado Maestre, Maria Angel"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1284"]
[BlackElo "1276"]
[PlyCount "60"]
[EventDate "2020.02.12"]
[EventType "swiss"]
[EventRounds "7"]
[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 a5 6. 0-0 d6 7. Nbd2 0-0 8. h3 Be6 9. Bb5 Ne7 10. Re1 c6 11. Ba4 Ng6 12. Nf1 Nh5 13. Bb3 Nhf4 14. Bxe6 Nxe6 15. Be3 Bxe3 16. fxe3 Qb6 17. Qd2 f5 18. Ng3 fxe4 19. Nxe4 d5 20. Ng3 Rf7 21. Rf1 Raf8 22. Kh1 Qc7 23. Nh2 e4 24. Rxf7 Rxf7 25. Ne2 Nc5 26. d4 Nd3 27. Rf1 Rxf1+ 28. Nxf1 Qf7 29. Nfg3 Qf2 30. Qd1 Ne1 0-1

[Event "COL-ch U20 Girls"]
[Site "Tolima"]
[Date "2020.02.14"]
[Round "4"]
[White "Mercado Maestre, Maria Angel"]
[Black "Quevedo Bonilla, Paula Thaliana"]
[Result "1-0"]
[ECO "D53"]
[WhiteElo "1276"]
[BlackElo "1332"]
[PlyCount "39"]
[EventDate "2020.02.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[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. Bg5 Be7 5. cxd5 exd5 6. e3 0-0 7. Bd3 h6 8. Bxf6 Bxf6 9. Qc2 Kh8 10. Nf3 Nc6 11. a3 Bg4 12. Be2 Qd7 13. h3 Bf5 14. Bd3 Bxd3 15. Qxd3 Rfe8 16. h4 Qg4 17. Nxd5 Qxg2 18. Nxf6 Qxh1+ 19. Kd2 Qxa1 20. Qh7# 1-0

[Event "COL-ch U20 Girls"]
[Site "Tolima"]
[Date "2020.02.13"]
[Round "2"]
[White "Mercado Maestre, Maria Angel"]
[Black "Velasquez, Angie Gabriela"]
[Result "0-1"]
[ECO "D20"]
[WhiteElo "1276"]
[BlackElo "1982"]
[PlyCount "82"]
[EventDate "2020.02.12"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "COL"]
[SourceTitle "CBM 195 Extra"]
[Source "ChessBase"]
[SourceDate "2020.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2020.05.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 dxc4 3. e4 e6 4. Nc3 Nf6 5. Bxc4 c6 6. a3 Be7 7. Nf3 b5 8. Ba2 a5 9. e5 Nfd7 10. Bb1 Bb7 11. 0-0 Nb6 12. Be4 N8d7 13. Re1 b4 14. axb4 axb4 15. Rxa8 Qxa8 16. Ne2 c5 17. Bxb7 Qxb7 18. Bf4 Nd5 19. Bg3 0-0 20. Qd2 c4 21. Rc1 Rc8 22. h4 N7b6 23. Nh2 c3 24. bxc3 Nc4 25. Qd3 b3 26. Nf1 b2 27. Rb1 Na3 28. Nd2 Nxb1 29. Nxb1 Qb3 30. Kh2 Qc4 31. Qc2 Rb8 32. Kh3 h6 33. Bf4 Rb3 34. g3 Bb4 35. Bd2 Qxe2 36. Qxb3 Qf1+ 37. Kg4 Qxb1 38. Kh3 Qh1+ 39. Kg4 b1Q 40. Qxb1 Qxb1 41. f3 Qf5# 0-1

