[Event "South America-ch U12 Girls 12th"]
[Site "Santa Cruz"]
[Date "2015.12.04"]
[Round "4"]
[White "Mejia Covarrubias, Aldana"]
[Black "Antezana, Ariana"]
[Result "0-1"]
[ECO "A00"]
[BlackElo "1511"]
[PlyCount "56"]
[EventDate "2015.12.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. g3 e5 2. Bg2 d5 3. d3 Nf6 4. Bg5 Be6 5. e4 d4 6. Nf3 Nc6 7. 0-0 h6 8. Bxf6 Qxf6 9. c3 g5 10. Re1 Be7 11. cxd4 exd4 12. e5 Qg7 13. Qa4 Bd7 14. Nxd4 Nxe5 15. Qb3 Ng4 16. Nb5 Kf8 17. Nxc7 Qd4 18. Rf1 Bc5 19. Qc2 Rd8 20. Nd5 h5 21. Nbc3 h4 22. h3 Nxf2 23. Rxf2 hxg3 24. Raf1 gxf2+ 25. Rxf2 Bxh3 26. Qe2 Bxg2 27. Kxg2 Qh4 28. d4 Qh3+ 0-1

[Event "South America-ch U12 Girls 12th"]
[Site "Santa Cruz"]
[Date "2015.12.03"]
[Round "3"]
[White "Mamani, Anahi"]
[Black "Mejia Covarrubias, Aldana"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1534"]
[PlyCount "59"]
[EventDate "2015.12.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Bd2 Qd8 6. Nf3 Bg4 7. Be3 Nf6 8. h3 Bh5 9. Bc4 e6 10. Qe2 Bb4 11. Qd3 Bg6 12. Qd1 Ne4 13. Bd2 Nd7 14. Nxe4 Bxe4 15. Bxb4 b5 16. Bd3 Bd5 17. b3 Nf6 18. Bc3 Rc8 19. 0-0 a6 20. Re1 0-0 21. Bb2 Re8 22. c4 bxc4 23. bxc4 Bxf3 24. Qxf3 Qd7 25. Qg3 Red8 26. d5 Nh5 27. Qg5 g6 28. g4 Ng7 29. Qf6 Ne8 30. Qh8# 1-0

[Event "South America-ch U12 Girls 12th"]
[Site "Santa Cruz"]
[Date "2015.12.03"]
[Round "2"]
[White "Mejia Covarrubias, Aldana"]
[Black "Puma Llerena, Maricarmen"]
[Result "1-0"]
[ECO "A05"]
[BlackElo "1480"]
[PlyCount "87"]
[EventDate "2015.12.02"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BOL"]
[SourceTitle "CBM 170 Extra"]
[Source "ChessBase"]
[SourceDate "2016.02.25"]
[SourceVersion "1"]
[SourceVersionDate "2016.02.25"]
[SourceQuality "1"]

1. g3 g6 2. Bg2 Bg7 3. Nf3 Nf6 4. Nc3 d6 5. 0-0 0-0 6. d3 e5 7. e4 c6 8. d4 Nbd7 9. Bg5 h6 10. Bxf6 Qxf6 11. d5 c5 12. Re1 Nb6 13. a3 Qe7 14. Qd2 Bd7 15. Na2 Nc8 16. c4 b5 17. b3 a5 18. Nc3 b4 19. Nb5 Bxb5 20. cxb5 Nb6 21. Rec1 Qd7 22. a4 Rae8 23. Kh1 g5 24. Ng1 f5 25. Qe2 Qf7 26. Rf1 f4 27. Bh3 f3 28. Qd3 h5 29. Be6 Rxe6 30. dxe6 Qxe6 31. Nxf3 Bh6 32. Rfd1 g4 33. Nh4 Rxf2 34. Qxd6 Rf6 35. Qd8+ Rf8 36. Rd6 Rxd8 37. Rxe6 Be3 38. Rxb6 c4 39. Rg6+ Kh7 40. bxc4 Rd4 41. b6 Rxc4 42. b7 Bd4 43. b8Q Bxa1 44. Qg8# 1-0

