[Event "CAN-ch U08 Girls"]
[Site "Windsor"]
[Date "2016.07.08"]
[Round "6.134"]
[White "De Costa, Dayna"]
[Black "Yu, Sophia"]
[Result "0-1"]
[ECO "D50"]
[WhiteElo "627"]
[BlackElo "522"]
[PlyCount "82"]
[EventDate "2016.07.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CAN"]
[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. Bg5 h6 5. Bh4 g5 6. Bg3 Bb4 7. Rc1 Ne4 8. Nf3 Nxc3 9. bxc3 Ba3 10. Rb1 Nc6 11. e3 Be7 12. Bd3 Bd7 13. 0-0 Rb8 14. Qc2 Na5 15. Be5 f6 16. Bg6+ Kf8 17. Bg3 Nxc4 18. Rfd1 Na3 19. Bxc7 Nxc2 20. Bxd8 Bxd8 21. Rdc1 Na3 22. Rb3 Nc4 23. Rd1 Ba4 24. Rxb7 Rxb7 25. Re1 Rg8 26. Bh7 Rxh7 27. Rb1 Ba5 28. Rb8+ Kg7 29. Rb7+ Kh8 30. Rb1 Bxc3 31. Rf1 Bb5 32. Rc1 Nd2 33. Rb1 Nxb1 34. Kh1 Rc7 35. Ng1 Be1 36. Ne2 Bxe2 37. Kg1 Rc1 38. h3 Bb4+ 39. Kh2 Bd6+ 40. g3 Bf3 41. a4 Rh1# 0-1

[Event "CAN-ch U08 Girls"]
[Site "Windsor"]
[Date "2016.07.08"]
[Round "7.132"]
[White "De Costa, Dayna"]
[Black "Zhuang, Jin Rong"]
[Result "0-1"]
[ECO "D15"]
[WhiteElo "627"]
[BlackElo "1027"]
[PlyCount "48"]
[EventDate "2016.07.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. c4 Nf6 3. Nc3 Bf5 4. Bg5 c6 5. e3 Nbd7 6. Be2 e6 7. Nf3 Bb4 8. 0-0 0-0 9. Rc1 Bg4 10. Bd3 Ba5 11. Qc2 Qc7 12. Rfd1 Bxf3 13. Re1 Bh5 14. Bxf6 Nxf6 15. Qd2 Qd6 16. Ne4 dxe4 17. Qxa5 exd3 18. Rf1 Ng4 19. g3 Nf6 20. c5 Qd5 21. Qb4 Bg4 22. Qb3 Qf3 23. Rfe1 Bh3 24. Red1 Qg2# 0-1

[Event "CAN-ch U08 Girls"]
[Site "Windsor"]
[Date "2016.07.07"]
[Round "4.131"]
[White "Hua, Michelle"]
[Black "De Costa, Dayna"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "851"]
[BlackElo "627"]
[PlyCount "33"]
[EventDate "2016.07.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 dxc3 4. Nxc3 e6 5. Bc4 a6 6. a4 Nc6 7. Nf3 Nf6 8. e5 Nh5 9. 0-0 Be7 10. Nd4 Nxd4 11. Qxd4 b6 12. Qd3 Nf4 13. Bxf4 0-0 14. Qe3 Bb7 15. Qg3 Rc8 16. Bh6 Bh4 17. Qxg7# 1-0

[Event "CAN-ch U08 Girls"]
[Site "Windsor"]
[Date "2016.07.06"]
[Round "2.131"]
[White "De Costa, Dayna"]
[Black "Qu, Greta"]
[Result "0-1"]
[ECO "D53"]
[WhiteElo "627"]
[BlackElo "827"]
[PlyCount "54"]
[EventDate "2016.07.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CAN"]
[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. Bg5 Be7 5. e3 b6 6. cxd5 exd5 7. Bd3 Ne4 8. Nxe4 Bxg5 9. Bb5+ Nd7 10. Ng3 Qe7 11. Bc6 Rb8 12. Nf3 Bb7 13. Ba4 0-0 14. 0-0 Bf6 15. Nd2 c5 16. Nb3 cxd4 17. exd4 Rbc8 18. Nf5 Qe6 19. Re1 Qxf5 20. Rb1 Nb8 21. Re2 Bc6 22. Re3 Bxa4 23. Qe2 Qxb1+ 24. Qe1 Qxe1+ 25. Rxe1 Rfe8 26. Rd1 Rc7 27. Rd3 Re1# 0-1

[Event "CAN-ch U08 Girls"]
[Site "Windsor"]
[Date "2016.07.06"]
[Round "3.134"]
[White "Periappuram, Anya"]
[Black "De Costa, Dayna"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "627"]
[PlyCount "56"]
[EventDate "2016.07.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 e6 3. Nc3 Nf6 4. e3 Be7 5. Bd3 0-0 6. 0-0 Nc6 7. Bd2 Bd7 8. a3 a6 9. b3 Bd6 10. a4 Nh5 11. Kh1 Qe7 12. g3 Qf6 13. g4 Nb4 14. Qe2 Nxd3 15. cxd3 e5 16. dxe5 Bxe5 17. e4 Bg3 18. fxg3 Nxg3+ 19. hxg3 Qh6+ 20. Kg1 Rfe8 21. Qd1 Re6 22. Rf2 Qh3 23. Rh2 Qxg3+ 24. Kh1 Rg6 25. Qf1 Bxg4 26. Ne5 f6 27. Nxg4 Rxg4 28. Rg2 Qh3+ 0-1

[Event "CAN-ch U08 Girls"]
[Site "Windsor"]
[Date "2016.07.05"]
[Round "1.134"]
[White "Ma, Lily"]
[Black "De Costa, Dayna"]
[Result "0-1"]
[ECO "B40"]
[WhiteElo "1000"]
[BlackElo "627"]
[PlyCount "66"]
[EventDate "2016.07.05"]
[EventType "swiss"]
[EventRounds "7"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Bc4 e6 3. Nc3 a6 4. Nf3 b5 5. Be2 Nf6 6. a3 Be7 7. 0-0 0-0 8. d3 Nc6 9. Bg5 Bb7 10. Bxf6 Bxf6 11. Qd2 Qc7 12. g3 Rfe8 13. Nh4 h6 14. Nf3 Bg5 15. Nxg5 Nd4 16. Nf3 Nxe2+ 17. Qxe2 Rad8 18. Nd1 Qa5 19. d4 b4 20. dxc5 Bxe4 21. Qxe4 Qb5 22. axb4 d5 23. Qe5 f6 24. Qc3 Qd7 25. Rxa6 e5 26. Qb3 Qh3 27. c4 dxc4 28. Qxc4+ Kh8 29. b5 Rxd1 30. Rxd1 e4 31. Ne1 Re5 32. b6 Rh5 33. Kh1 Qxh2# 0-1

