[Event "Wch U08"]
[Site "Kemer"]
[Date "2009.11.22"]
[Round "11"]
[White "Ozturk, Vatan"]
[Black "Chang, Cheng Yun"]
[Result "1-0"]
[ECO "B13"]
[PlyCount "59"]
[EventDate "2009.11.12"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "TUR"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nc3 Nf6 5. Nf3 Bg4 6. Bf4 Nc6 7. Nb5 Rc8 8. h3 Bh5 9. Be2 e6 10. Ne5 Bxe2 11. Qxe2 Nxe5 12. Bxe5 a6 13. Nc3 Bb4 14. Qd3 Ne4 15. 0-0 Nxc3 16. bxc3 Rxc3 17. Qe2 0-0 18. Rab1 Bd6 19. Bxd6 Qxd6 20. Rxb7 h6 21. Ra7 Ra3 22. c4 dxc4 23. Qxc4 Rb8 24. Qe2 Qxd4 25. Rc7 Rb2 26. Qh5 Qf6 27. g4 Raxa2 28. g5 Qf4 29. g6 Rxf2 30. Rc8# 1-0

[Event "Wch U08"]
[Site "Kemer"]
[Date "2009.11.21"]
[Round "10"]
[White "Chang, Cheng Yun"]
[Black "Raja, Sahil"]
[Result "1/2-1/2"]
[ECO "C24"]
[PlyCount "51"]
[EventDate "2009.11.12"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "TUR"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nf6 3. d3 h6 4. Be3 Bd6 5. Nf3 Nc6 6. 0-0 0-0 7. Nbd2 Be7 8. Bb3 d6 9. h3 Be6 10. Qe2 d5 11. Rad1 d4 12. Bxh6 gxh6 13. Bxe6 fxe6 14. Nc4 Bd6 15. Qd2 Kh7 16. g4 Ng8 17. Nh2 b5 18. Nxd6 Qxd6 19. g5 Rf4 20. gxh6 Nxh6 21. Kh1 Rg8 22. Rg1 Rgf8 23. f3 Rg8 24. Rxg8 Kxg8 25. Rg1+ Kf8 26. Qg2 1/2-1/2

[Event "Wch U08"]
[Site "Kemer"]
[Date "2009.11.20"]
[Round "9"]
[White "Nguyen Huynh Minh, Thien"]
[Black "Chang, Cheng Yun"]
[Result "1-0"]
[ECO "B28"]
[PlyCount "67"]
[EventDate "2009.11.12"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "TUR"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 a6 3. Bc4 b5 4. Be2 Nc6 5. 0-0 Nf6 6. d3 e6 7. Bg5 Be7 8. Nc3 d5 9. exd5 exd5 10. Re1 0-0 11. d4 Qd6 12. dxc5 Qxc5 13. Bxf6 Bxf6 14. Nxd5 Bxb2 15. Rb1 Bd4 16. Nxd4 Nxd4 17. Bf3 Nxf3+ 18. Qxf3 Rb8 19. Nf6+ Kh8 20. Nh5 Qg5 21. Qa3 Bb7 22. Ng3 h6 23. Rbd1 h5 24. Ne4 Qg6 25. Rd6 f6 26. Qd3 Rfe8 27. f3 h4 28. Kh1 Rbc8 29. Re3 Rc4 30. Nc3 Rxe3 31. Qxe3 Qxc2 32. Qe8+ Kh7 33. Qh5+ Kg8 34. Rd8# 1-0

[Event "Wch U08"]
[Site "Kemer"]
[Date "2009.11.19"]
[Round "8"]
[White "Chang, Cheng Yun"]
[Black "Wong, Wan Tat"]
[Result "0-1"]
[ECO "C50"]
[PlyCount "36"]
[EventDate "2009.11.12"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "TUR"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. d3 0-0 6. Bg5 h6 7. Bh4 Bb4 8. a3 Bxc3+ 9. bxc3 g5 10. Bg3 Re8 11. d4 Nxe4 12. Bxe5 d5 13. Qd3 Bf5 14. Bb3 Ng3 15. Qd2 Nf1 16. Rxf1 Be4 17. h4 Bxf3 18. Qc1 Bh5 0-1

[Event "Wch U08"]
[Site "Kemer"]
[Date "2009.11.18"]
[Round "7"]
[White "Pernsteiner, David"]
[Black "Chang, Cheng Yun"]
[Result "0-1"]
[ECO "C01"]
[PlyCount "58"]
[EventDate "2009.11.12"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "TUR"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Nf6 5. Bf4 Be7 6. c3 0-0 7. Nf3 Bg4 8. Nbd2 Nbd7 9. 0-0 Re8 10. Qc2 h6 11. h3 Bxf3 12. Nxf3 Rc8 13. Ne5 c6 14. Bg3 Ne4 15. Bxe4 dxe4 16. Qxe4 f6 17. Nxd7 Qxd7 18. Qf3 c5 19. dxc5 Bxc5 20. Rad1 Qb5 21. Rd2 Qb6 22. Rfd1 Be3 23. fxe3 Rxe3 24. Qf4 Rxg3+ 25. Kh2 Rg6 26. Qf5 Kh7 27. Qxc8 Qb5 28. Rd5 Qe2 29. Qf5 Qxg2# 0-1

[Event "Wch U08"]
[Site "Kemer"]
[Date "2009.11.16"]
[Round "6"]
[White "Chang, Cheng Yun"]
[Black "Park, Jiwoong"]
[Result "1-0"]
[ECO "C50"]
[PlyCount "77"]
[EventDate "2009.11.12"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "TUR"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. Nc3 Nf6 5. 0-0 d6 6. h3 Be6 7. Bb3 Qe7 8. d3 h6 9. Be3 Bb6 10. Nd5 Qd8 11. Nxb6 axb6 12. Bxe6 fxe6 13. Re1 0-0 14. Qe2 d5 15. Rad1 d4 16. Bc1 Rxa2 17. Nh4 Rf7 18. Qf3 Nb4 19. Re2 Nxc2 20. Rxc2 Nd5 21. Qh5 Nb4 22. Rc4 Na6 23. Qg4 Qe7 24. Bxh6 Rxb2 25. Bg5 Qd7 26. Nf3 Qd6 27. Qg3 Rb5 28. Rdc1 Nb4 29. Ra1 Nxd3 30. Ra8+ Rf8 31. Bh6 Qe7 32. Rxf8+ Qxf8 33. Rxc7 Nf4 34. Bxg7 Qe8 35. Bh6+ Ng6 36. Nh4 d3 37. Nxg6 d2 38. Nxe5+ Kh8 39. Qg7# 1-0

[Event "Wch U08"]
[Site "Kemer"]
[Date "2009.11.16"]
[Round "5"]
[White "Yilmaz, Ahmet Ata"]
[Black "Chang, Cheng Yun"]
[Result "1-0"]
[ECO "B14"]
[PlyCount "41"]
[EventDate "2009.11.12"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "TUR"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 e6 5. Nc3 Nf6 6. Nf3 Nc6 7. Be2 Bb4 8. 0-0 0-0 9. Qd3 Qc7 10. Bd1 Bd7 11. Bc2 h6 12. cxd5 exd5 13. Nxd5 Rfe8 14. Nxc7 Rec8 15. Nxa8 Rxa8 16. Ne5 Rd8 17. Qc4 Nxe5 18. dxe5 Be6 19. Qxb4 Nd5 20. Rd1 f5 21. Qxb7 1-0

[Event "Wch U08"]
[Site "Kemer"]
[Date "2009.11.15"]
[Round "4"]
[White "Chang, Cheng Yun"]
[Black "Gurvich, Vitaly"]
[Result "0-1"]
[ECO "B12"]
[PlyCount "28"]
[EventDate "2009.11.12"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "TUR"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Nh4 Bg6 6. Nxg6 hxg6 7. Be2 Nd7 8. 0-0 Qc7 9. f4 Ne7 10. Nc3 0-0-0 11. Bf3 Nf5 12. Bd2 Be7 13. Na4 Nxd4 14. Bb4 Bxb4 0-1

[Event "Wch U08"]
[Site "Kemer"]
[Date "2009.11.14"]
[Round "3"]
[White "Kucheryavy, Vadym"]
[Black "Chang, Cheng Yun"]
[Result "1-0"]
[ECO "B12"]
[PlyCount "27"]
[EventDate "2009.11.12"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "TUR"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Ne2 e6 5. Ng3 Bg6 6. Be2 Nd7 7. 0-0 h6 8. c3 Be7 9. Nd2 f6 10. Bh5 Nf8 11. Bxg6+ Nxg6 12. Qh5 Kf7 13. Nf3 Qc8 14. Nh4 1-0

[Event "Wch U08"]
[Site "Kemer"]
[Date "2009.11.13"]
[Round "2"]
[White "Chang, Cheng Yun"]
[Black "Chinguun, Otgonbayar"]
[Result "0-1"]
[ECO "C57"]
[PlyCount "84"]
[EventDate "2009.11.12"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "TUR"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. d3 Be7 7. Nf3 0-0 8. 0-0 a6 9. Nc3 Nxc3 10. bxc3 h6 11. d4 exd4 12. cxd4 Bf6 13. d5 Bxa1 14. dxc6 Qxd1 15. Rxd1 bxc6 16. Ba3 Bf6 17. Bxf8 Kxf8 18. h3 Be6 19. Bxe6 fxe6 20. Rd7 Rc8 21. h4 Ke8 22. Rd3 Rd8 23. Rxd8+ Kxd8 24. g4 g5 25. hxg5 Bxg5 26. Ne5 c5 27. Nf7+ Ke7 28. Nxg5 hxg5 29. Kg2 e5 30. Kg3 Kd6 31. Kh3 Kd5 32. Kg2 Ke4 33. f3+ Ke3 34. Kg3 c6 35. a4 c4 36. a5 Kd2 37. Kf2 Kxc2 38. Ke2 Kb3 39. Kd1 Kb2 40. Ke1 c3 41. Kd1 c2+ 42. Kd2 c1Q+ 0-1

[Event "Wch U08"]
[Site "Kemer"]
[Date "2009.11.12"]
[Round "1"]
[White "Roshka, Yevgeniy"]
[Black "Chang, Cheng Yun"]
[Result "1/2-1/2"]
[ECO "D10"]
[PlyCount "42"]
[EventDate "2009.11.12"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "TUR"]
[SourceTitle "EXT 2010"]
[Source "ChessBase"]
[SourceDate "2010.11.25"]
[SourceVersion "1"]
[SourceVersionDate "2010.11.25"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. e3 Bf5 4. Nc3 e6 5. cxd5 cxd5 6. Qa4+ Nc6 7. Nf3 Nf6 8. Ne5 Rc8 9. Nxc6 bxc6 10. Qxa7 c5 11. Bb5+ Nd7 12. Bxd7+ Qxd7 13. Qxd7+ Kxd7 14. dxc5 Bxc5 15. Na4 Bb4+ 16. Ke2 Rc2+ 17. Kf3 Be4+ 18. Kg3 Bd6+ 19. Kh3 Bf5+ 20. g4 Be4 21. Rf1 Bd3 1/2-1/2

