[Event "Montreal-ch op"]
[Site "Montreal"]
[Date "2012.09.09"]
[Round "5"]
[White "Gauthier, Denis"]
[Black "Yun, Chang"]
[Result "1-0"]
[ECO "D37"]
[BlackElo "1902"]
[PlyCount "39"]
[EventDate "2012.09.07"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Be7 4. Bf4 Nf6 5. e3 0-0 6. Nf3 a6 7. Qc2 dxc4 8. Bxc4 c5 9. 0-0 Nc6 10. dxc5 Bxc5 11. a3 Qe7 12. Rfd1 Rd8 13. b4 Ba7 14. Bg5 b5 15. Bd3 h6 16. Bxf6 Qxf6 17. Ne4 Qe7 18. Qxc6 Bb7 19. Qc3 Rac8 20. Qb3 1-0

[Event "Montreal-ch op"]
[Site "Montreal"]
[Date "2012.09.09"]
[Round "4"]
[White "Yun, Chang"]
[Black "Ramaswamy, Kiran"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "1902"]
[PlyCount "97"]
[EventDate "2012.09.07"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. 0-0 Bd7 5. Re1 g6 6. c3 Bg7 7. h3 Nf6 8. d4 cxd4 9. cxd4 0-0 10. Nc3 a6 11. Bf1 Rc8 12. Bg5 e5 13. Qd2 Nxd4 14. Nxd4 exd4 15. Qxd4 Bc6 16. Qd2 Qa5 17. Qf4 Qe5 18. Qh4 Rfe8 19. Rad1 Qe6 20. f3 b5 21. Nd5 Nd7 22. Ne7+ Rxe7 23. Bxe7 Qxa2 24. Re2 d5 25. exd5 Bxd5 26. Red2 Be6 27. Ba3 Qb3 28. Rxd7 Bxd7 29. Rxd7 Qe3+ 30. Qf2 Qe6 31. Qd2 Qb6+ 32. Kh1 a5 33. Be7 b4 34. Rd8+ Rxd8 35. Qxd8+ Qxd8 36. Bxd8 a4 37. Be7 Bxb2 38. Bxb4 Kg7 39. Bc4 a3 40. Kg1 g5 41. Kf2 Kg6 42. Ke2 f6 43. g4 h5 44. Be6 hxg4 45. hxg4 Kg7 46. Kd3 f5 47. gxf5 Kf6 48. Kc2 Ke5 49. Bc3+ 1-0

[Event "Montreal-ch op"]
[Site "Montreal"]
[Date "2012.09.08"]
[Round "3"]
[White "Desjardins, Michel"]
[Black "Yun, Chang"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "1996"]
[BlackElo "1902"]
[PlyCount "81"]
[EventDate "2012.09.07"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 e6 4. Bg2 Nf6 5. d3 d5 6. exd5 exd5 7. Nge2 Be7 8. 0-0 0-0 9. Nf4 d4 10. Ncd5 Bd6 11. Re1 Be6 12. Nxe6 fxe6 13. Rxe6 Nxd5 14. Bxd5 Kh8 15. Bxc6 bxc6 16. Qe2 Qd7 17. Bd2 Rf7 18. Rf1 Raf8 19. f4 Bc7 20. Qe4 Bd6 21. Re1 Kg8 22. Re8 Rxe8 23. Qxe8+ Qxe8 24. Rxe8+ Rf8 25. Rxf8+ Kxf8 26. Kf2 h5 27. Kf3 Kf7 28. Ke4 Ke6 29. f5+ Kf6 30. Bf4 Bf8 31. h3 g6 32. fxg6 Kxg6 33. Ke5 Kf7 34. b3 Be7 35. Kf5 a6 36. g4 hxg4 37. hxg4 Bf8 38. g5 Be7 39. g6+ Kg7 40. Be5+ Kg8 41. Ke6 1-0

[Event "Montreal-ch op"]
[Site "Montreal"]
[Date "2012.09.08"]
[Round "2"]
[White "Robichaud, Louis"]
[Black "Yun, Chang"]
[Result "1-0"]
[ECO "B24"]
[WhiteElo "2105"]
[BlackElo "1902"]
[PlyCount "65"]
[EventDate "2012.09.07"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 e6 6. f4 Nge7 7. Nf3 d5 8. 0-0 0-0 9. Re1 a6 10. a4 Qc7 11. Bd2 b6 12. e5 Bd7 13. Ne2 b5 14. c3 Qb6 15. Be3 b4 16. c4 d4 17. Bf2 b3 18. Nd2 Rab8 19. Ne4 Nc8 20. Ra3 Na5 21. Rf1 Kh8 22. Be1 Ne7 23. g4 Nec6 24. Nc1 h6 25. Rf3 Rfd8 26. Rh3 Kh7 27. Nf6+ Bxf6 28. exf6 Rh8 29. g5 h5 30. Be4 Kg8 31. Rf3 Kh7 32. Rf1 Rhe8 33. Qxh5+ 1-0

[Event "Montreal-ch op"]
[Site "Montreal"]
[Date "2012.09.07"]
[Round "1"]
[White "Yun, Chang"]
[Black "Tomb, Maroun"]
[Result "1/2-1/2"]
[ECO "B31"]
[WhiteElo "1902"]
[BlackElo "2144"]
[PlyCount "84"]
[EventDate "2012.09.07"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 Nf6 6. Re1 0-0 7. d4 cxd4 8. cxd4 d5 9. e5 Ne4 10. Nc3 Nxc3 11. bxc3 Na5 12. Bd3 Bg4 13. h3 Bxf3 14. Qxf3 Rc8 15. Bd2 Nc4 16. Bg5 Rc6 17. Rab1 Qd7 18. Rb5 e6 19. Reb1 b6 20. Bxc4 Rxc4 21. h4 Rfc8 22. R5b3 Qa4 23. R1b2 Qc6 24. Bd2 Ra4 25. Rb4 Rxb4 26. Rxb4 Bf8 27. Rb2 Qc4 28. Qd1 h5 29. a4 Ba3 30. Rb5 Qd3 31. Rb3 Bf8 32. Qc1 Rc4 33. a5 Rxd4 34. axb6 axb6 35. Rb2 Rxh4 36. Rxb6 Bc5 37. Rb8+ Kh7 38. Bg5 Rg4 39. Bf6 g5 40. Rh8+ Kg6 41. Rg8+ Kh7 42. Rh8+ Kg6 1/2-1/2

[Event "CAN-ch (Women)"]
[Site "Montreal"]
[Date "2012.08.09"]
[Round "6"]
[White "Khoudgarian, Natalia"]
[Black "Yun, Chang"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2158"]
[BlackElo "1886"]
[PlyCount "45"]
[EventDate "2012.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Nf6 6. dxc5 Qxd1+ 7. Kxd1 e6 8. b4 a5 9. b5 Nb8 10. Be3 Nfd7 11. c6 bxc6 12. a4 Bb7 13. Na3 Bc5 14. Nd4 e5 15. Nf5 Bxe3 16. fxe3 0-0 17. Nd6 Nc5 18. Kc2 cxb5 19. axb5 Bd5 20. Bc4 Bxg2 21. Rhg1 Be4+ 22. Nxe4 Nxe4 23. Bd5 1-0

[Event "CAN-ch (Women)"]
[Site "Montreal"]
[Date "2012.08.09"]
[Round "7"]
[White "Yun, Chang"]
[Black "Ma, Indy"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "1886"]
[BlackElo "1490"]
[PlyCount "117"]
[EventDate "2012.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. 0-0 Ngf6 6. Re1 e6 7. c3 Be7 8. d4 cxd4 9. cxd4 0-0 10. Nc3 Rc8 11. h3 a6 12. Bf4 Nb6 13. Qe2 Rc4 14. Red1 Qc7 15. Rac1 Rc8 16. Qd3 h6 17. Nd2 Rc6 18. d5 exd5 19. exd5 Nbxd5 20. Nxd5 Nxd5 21. Rxc6 bxc6 22. Bg3 Qb7 23. Nb3 Qb5 24. Qe4 Re8 25. Bxd6 Nf6 26. Qe5 Bf8 27. Qxb5 axb5 28. Bxf8 Kxf8 29. Kf1 Ra8 30. a3 Ke8 31. Nd4 Rc8 32. Nf5 Kf8 33. Rc1 c5 34. Nd6 Rb8 35. Rxc5 b4 36. a4 Ne8 37. Nb5 b3 38. Ke2 Rd8 39. Rc4 Nf6 40. Rb4 Ra8 41. Nc3 Nd7 42. Rxb3 Nc5 43. Rb4 Ke7 44. Rd4 Ke6 45. Kd1 Nb3 46. Rb4 Rd8+ 47. Kc2 Nd4+ 48. Kb1 Nc6 49. Rb6 Kd7 50. b3 Kc7 51. Rb5 Rd2 52. Rf5 f6 53. Kc1 Rc2+ 54. Kxc2 Nd4+ 55. Kd3 Nxf5 56. b4 Kb6 57. a5+ Ka6 58. Kc4 Nd6+ 59. Kd5 1-0

[Event "CAN-ch (Women)"]
[Site "Montreal"]
[Date "2012.08.07"]
[Round "5"]
[White "Yun, Chang"]
[Black "Shi, Ling Yun"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "1886"]
[BlackElo "1362"]
[PlyCount "57"]
[EventDate "2012.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 g6 4. 0-0 Bg7 5. c3 Nf6 6. Re1 0-0 7. d4 cxd4 8. cxd4 d5 9. e5 Ne4 10. Nc3 Nxc3 11. bxc3 a6 12. Bd3 b5 13. Bd2 Bd7 14. h3 Rc8 15. Ng5 e6 16. Qg4 Na5 17. h4 h6 18. Nh3 Kh8 19. h5 g5 20. f4 gxf4 21. Nxf4 Be8 22. Re3 Rg8 23. Rg3 Nc6 24. Nxd5 Bd7 25. Nf6 Bxf6 26. Qe4 Rg7 27. Bxh6 Qg8 28. Bxg7+ Bxg7 29. h6 1-0

[Event "CAN-ch (Women)"]
[Site "Montreal"]
[Date "2012.08.06"]
[Round "4"]
[White "Agbabishvili, Lali"]
[Black "Yun, Chang"]
[Result "1-0"]
[ECO "A35"]
[WhiteElo "1925"]
[BlackElo "1886"]
[PlyCount "37"]
[EventDate "2012.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 c5 2. Nf3 Nc6 3. Nc3 e5 4. e3 d6 5. d4 cxd4 6. exd4 exd4 7. Nxd4 Nf6 8. Be2 Be7 9. 0-0 0-0 10. Nxc6 bxc6 11. Bf3 Bb7 12. Qb3 Qc7 13. Bf4 Rfd8 14. Rfe1 Bf8 15. c5 Qc8 16. cxd6 Bxd6 17. Bxd6 Rxd6 18. Re7 Re6 19. Qxb7 1-0

[Event "CAN-ch (Women)"]
[Site "Montreal"]
[Date "2012.08.05"]
[Round "1"]
[White "Yun, Chang"]
[Black "Liu, Jiaxin"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "1886"]
[BlackElo "1666"]
[PlyCount "103"]
[EventDate "2012.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 e6 4. 0-0 Nge7 5. b3 a6 6. Bxc6 Nxc6 7. Bb2 f6 8. d4 cxd4 9. Nxd4 Nxd4 10. Bxd4 e5 11. Bb2 Qe7 12. Na3 b5 13. c4 b4 14. Nc2 Qf7 15. Qd2 a5 16. a3 bxa3 17. Bxa3 Bxa3 18. Rxa3 Bb7 19. f3 Qe7 20. Rxa5 Rxa5 21. Qxa5 0-0 22. Qb4 Qxb4 23. Nxb4 Rb8 24. Nd3 d6 25. Rb1 Ba6 26. Rb2 Kf8 27. Kf2 h5 28. Ke3 g5 29. Kd2 Ke7 30. Kc3 Rc8 31. Ra2 Ra8 32. Nb4 Bb7 33. Rxa8 Bxa8 34. Nd5+ Bxd5 35. cxd5 Kd7 36. Kb4 Kc7 37. Ka5 Kb7 38. h3 Ka7 39. b4 Kb7 40. b5 Ka7 41. g4 h4 42. b6+ Kb8 43. Ka6 Ka8 44. b7+ Kb8 45. Kb6 f5 46. Kc6 f4 47. Kxd6 Kxb7 48. Kxe5 Kc7 49. Kf5 Kd6 50. Kxg5 Ke5 51. Kxh4 Kd4 52. g5 1-0

[Event "CAN-ch (Women)"]
[Site "Montreal"]
[Date "2012.08.05"]
[Round "3"]
[White "Yun, Chang"]
[Black "Serbanescu, Natasa"]
[Result "1-0"]
[ECO "B30"]
[WhiteElo "1886"]
[BlackElo "1824"]
[PlyCount "93"]
[EventDate "2012.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 a6 4. Bxc6 dxc6 5. 0-0 Bg4 6. h3 Bh5 7. a4 e6 8. a5 Nf6 9. Re1 Be7 10. d3 c4 11. e5 Nd5 12. dxc4 Bxf3 13. Qxf3 Nb4 14. Qb3 c5 15. Bd2 0-0 16. Bxb4 cxb4 17. c3 Qd3 18. Re3 Qf5 19. cxb4 Bg5 20. Re1 Rfd8 21. Nc3 Rd3 22. Rad1 Bd2 23. Re2 Rad8 24. Qc2 Bxc3 25. Rxd3 Qxd3 26. Qxd3 Rxd3 27. bxc3 Kf8 28. Re3 Rd1+ 29. Kh2 Ke7 30. Kg3 f5 31. exf6+ gxf6 32. Kf3 h5 33. h4 f5 34. Ke2 Rh1 35. Rh3 Rxh3 36. gxh3 e5 37. c5 Kd7 38. Kd3 Kc6 39. Kc4 e4 40. Kd4 Kb5 41. Ke5 Kc4 42. Kxf5 Kxc3 43. Kxe4 Kxb4 44. f4 Kxc5 45. Ke5 b5 46. axb6 Kxb6 47. f5 1-0

[Event "CAN-ch (Women)"]
[Site "Montreal"]
[Date "2012.08.05"]
[Round "2"]
[White "Zhou, Qiyu"]
[Black "Yun, Chang"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "1836"]
[BlackElo "1886"]
[PlyCount "43"]
[EventDate "2012.08.05"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 e6 4. Nf3 d5 5. d3 Nf6 6. Qe2 Be7 7. g3 0-0 8. Bg2 Qb6 9. 0-0 Nd4 10. Qf2 Ng4 11. Qd2 c4 12. Kh1 cxd3 13. Nxd4 Qxd4 14. Qxd3 Qxd3 15. cxd3 dxe4 16. dxe4 Bc5 17. Bf3 Ne3 18. Bxe3 Bxe3 19. Rfd1 Bb6 20. e5 f6 21. exf6 gxf6 22. Nb5 1/2-1/2

[Event "Quebec op"]
[Site "Montreal"]
[Date "2012.07.28"]
[Round "9"]
[White "Libersan, Thierry"]
[Black "Yun, Chang"]
[Result "1/2-1/2"]
[ECO "B53"]
[WhiteElo "2153"]
[BlackElo "1988"]
[PlyCount "99"]
[EventDate "2012.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Bb5 Bd7 6. Bxc6 bxc6 7. c4 Nf6 8. Nc3 g6 9. h3 Bg7 10. Be3 0-0 11. Qd2 Be6 12. Qe2 Qa5 13. 0-0 Qb4 14. Rfc1 Bxc4 15. Qd2 Be6 16. a3 Qb7 17. Bh6 Rab8 18. Bxg7 Kxg7 19. b4 h6 20. e5 dxe5 21. Nxe5 Rfd8 22. Qe2 Rbc8 23. Rab1 Nd5 24. Ne4 Bf5 25. Rc5 Nf6 26. f3 Rd5 27. Rbc1 Bxe4 28. fxe4 Rxc5 29. Rxc5 Nd7 30. Nxd7 Qxd7 31. Qc4 e5 32. Qc3 Qd1+ 33. Kh2 Qd4 34. Qxd4 exd4 35. Kg3 Rd8 36. Kf2 Rd6 37. e5 Re6 38. Ra5 g5 39. Kf3 f6 40. Rxa7+ Kg6 41. exf6 Kxf6 42. a4 Re3+ 43. Kf2 Rb3 44. Rc7 Rxb4 45. Rxc6+ Kf5 46. g4+ Kf4 47. Rf6+ Ke5 48. Rxh6 Rxa4 49. Rg6 Ra2+ 50. Kf3 1/2-1/2

[Event "Quebec op"]
[Site "Montreal"]
[Date "2012.07.27"]
[Round "8"]
[White "Lopez Linares, Lizandro Fernando"]
[Black "Yun, Chang"]
[Result "1/2-1/2"]
[ECO "D65"]
[WhiteElo "2096"]
[BlackElo "1988"]
[PlyCount "91"]
[EventDate "2012.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[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 Be7 4. Nf3 Nf6 5. Bg5 Nbd7 6. e3 0-0 7. Rc1 a6 8. cxd5 exd5 9. Bd3 c6 10. 0-0 Re8 11. Qc2 Nf8 12. h3 Ng6 13. Bxf6 Bxf6 14. b4 Be7 15. Rb1 Bd6 16. e4 dxe4 17. Bxe4 Be6 18. Rfe1 Qc7 19. Na4 Rad8 20. Nc5 Bc8 21. a3 a5 22. Red1 axb4 23. axb4 Qe7 24. Re1 Qc7 25. Ra1 Qb6 26. Reb1 Be6 27. Ng5 Bd5 28. Bxd5 cxd5 29. Qf5 Re7 30. g3 h6 31. Nf3 Qc7 32. Rb2 Nf8 33. Kg2 Nh7 34. Qxd5 Bxg3 35. Qxb7 Qxb7 36. Nxb7 Rxb7 37. Kxg3 Nf6 38. Ra3 Rdb8 39. Rab3 Nd5 40. b5 Nc7 41. Kf4 Rxb5 42. Rxb5 Rxb5 43. Rxb5 Nxb5 44. Ke5 Kf8 45. Nh4 g6 46. Nf3 1/2-1/2

[Event "Quebec op"]
[Site "Montreal"]
[Date "2012.07.26"]
[Round "7"]
[White "Yun, Chang"]
[Black "Plante, Michel"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "1988"]
[BlackElo "2084"]
[PlyCount "66"]
[EventDate "2012.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Be3 e5 5. Nf3 Be7 6. h3 c6 7. Bc4 b5 8. Bd3 0-0 9. 0-0 a6 10. Ne2 Qc7 11. c3 d5 12. dxe5 dxe4 13. exf6 Nxf6 14. Bf4 Qb6 15. Be3 c5 16. Bxe4 Nxe4 17. Qc2 Bf5 18. Qc1 h6 19. Nd2 Ng5 20. Ng3 Bd3 21. Re1 Qc7 22. Ndf1 Rfe8 23. Nh2 Bd6 24. Bxg5 Bxg3 25. Rxe8+ Rxe8 26. fxg3 hxg5 27. Qxg5 c4 28. Ng4 Qb6+ 29. Kh2 Qe6 30. Re1 Qxe1 31. Nf6+ Kf8 32. Nd7+ Kg8 33. Nf6+ Kf8 1/2-1/2

[Event "Quebec op"]
[Site "Montreal"]
[Date "2012.07.25"]
[Round "6"]
[White "Yun, Chang"]
[Black "Beaulieu, Pierre"]
[Result "1-0"]
[ECO "B00"]
[WhiteElo "1988"]
[BlackElo "1901"]
[PlyCount "99"]
[EventDate "2012.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 b6 2. d4 Bb7 3. Nc3 e6 4. Be3 Bb4 5. f3 d5 6. exd5 exd5 7. Qd2 Nf6 8. a3 Be7 9. Bb5+ Nbd7 10. Nge2 a6 11. Bd3 c5 12. Ng3 c4 13. Be2 0-0 14. Nf5 Re8 15. Nxe7+ Rxe7 16. 0-0 Qc7 17. a4 Rae8 18. Bf2 Qc6 19. Rfe1 Nf8 20. Bf1 Ng6 21. Rxe7 Rxe7 22. Re1 Re6 23. Rxe6 fxe6 24. Qg5 Kf7 25. h4 h6 26. Qg3 Bc8 27. Qb8 Nd7 28. Qh2 b5 29. axb5 axb5 30. Na2 Ndf8 31. h5 Nh8 32. Bg3 Qe8 33. Nb4 Bd7 34. Be5 Kg8 35. Qg3 Qf7 36. Na6 Nh7 37. Nc5 Be8 38. Nxe6 Nf6 39. Nf4 Bc6 40. c3 Kh7 41. Bxf6 Qxf6 42. Be2 Qe7 43. Kf2 b4 44. Bd1 b3 45. Ng6 Qa7 46. Qd6 Ba8 47. Qe6 Nf7 48. Ne7 Qa1 49. Qxf7 Qxb2+ 50. Be2 1-0

[Event "Quebec op"]
[Site "Montreal"]
[Date "2012.07.24"]
[Round "5"]
[White "Tessier Desrosiers, Olivier"]
[Black "Yun, Chang"]
[Result "1-0"]
[ECO "A37"]
[WhiteElo "2194"]
[BlackElo "1988"]
[PlyCount "121"]
[EventDate "2012.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. Nf3 e5 6. d3 Nge7 7. Rb1 0-0 8. 0-0 d6 9. Ne1 Be6 10. a3 a5 11. Nc2 d5 12. cxd5 Nxd5 13. Ne3 Nce7 14. Qc2 Rc8 15. Qa4 b6 16. Qb5 Nxe3 17. Bxe3 Nf5 18. Na4 Nxe3 19. fxe3 Bd7 20. Qb3 Bxa4 21. Qxa4 Qe8 22. Qb3 Qd8 23. Bd5 Qc7 24. Rf3 Rcd8 25. Rbf1 Rd7 26. e4 Re7 27. Kg2 h6 28. h3 Rd7 29. g4 Re7 30. Kg3 Rd7 31. h4 Re7 32. h5 g5 33. Qa2 Qa7 34. Qc4 Rc7 35. Kg2 Bh8 36. Rf5 Bg7 37. R1f3 Bh8 38. a4 Re7 39. Qb3 Bg7 40. e3 Qc7 41. Qa2 Bh8 42. b3 Bg7 43. Qf2 Bh8 44. Bc4 Bg7 45. Qg3 Qa7 46. Qf2 Qc7 47. Bd5 Bh8 48. Qc2 Qa7 49. d4 Qc7 50. dxc5 Qxc5 51. Rf2 Rc7 52. Qxc5 bxc5 53. Kf1 Bg7 54. Ke2 Bh8 55. Kd3 Bg7 56. Kc4 Bh8 57. Kb5 Rb8+ 58. Ka6 Rf8 59. Kxa5 Kg7 60. Rf6 Kg8 61. Rxh6 1-0

[Event "Quebec op"]
[Site "Montreal"]
[Date "2012.07.23"]
[Round "4"]
[White "Gedajlovic, Max"]
[Black "Yun, Chang"]
[Result "0-1"]
[ECO "D60"]
[WhiteElo "1817"]
[BlackElo "1988"]
[PlyCount "58"]
[EventDate "2012.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[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 Be7 4. Nf3 Nf6 5. Bg5 Nbd7 6. e3 0-0 7. Be2 a6 8. a4 dxc4 9. Bxc4 c5 10. 0-0 cxd4 11. Nxd4 Qb6 12. Qe2 Qc5 13. Bh4 Ne5 14. Ba2 Ng6 15. Bg3 Bd6 16. Bxd6 Qxd6 17. Rfd1 Qe7 18. Rac1 Bd7 19. e4 e5 20. Nf5 Qb4 21. Qc4 Qxc4 22. Bxc4 Bc6 23. f3 Rfd8 24. b4 Rac8 25. Nd6 Rc7 26. Kf2 Be8 27. Nxf7 Rxd1 28. Nd6+ Rxc4 29. Rxd1 Rxc3 0-1

[Event "Quebec op"]
[Site "Montreal"]
[Date "2012.07.22"]
[Round "2"]
[White "Forget, David"]
[Black "Yun, Chang"]
[Result "0-1"]
[ECO "D36"]
[WhiteElo "1867"]
[BlackElo "1988"]
[PlyCount "78"]
[EventDate "2012.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[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. cxd5 exd5 5. Bg5 Be7 6. e3 0-0 7. Bd3 Re8 8. Nf3 c6 9. 0-0 Nbd7 10. Qc2 Nf8 11. Rab1 a5 12. a3 Ne4 13. Bxe7 Qxe7 14. b4 axb4 15. axb4 Ng6 16. b5 Nh4 17. Nxh4 Qxh4 18. bxc6 bxc6 19. Nxe4 dxe4 20. Qxc6 Bf5 21. Be2 Qg5 22. Qc7 h5 23. Qg3 Qe7 24. Bxh5 Ra6 25. Rb5 Be6 26. Rb8 Rxb8 27. Qxb8+ Kh7 28. Qe5 g6 29. Qxe4 f5 30. Qd3 Ra3 31. Bxg6+ Kxg6 32. Qc2 Ra8 33. Qc6 Rc8 34. Qa6 Rd8 35. Rb1 Rd6 36. Qa5 Bd5 37. Qc5 Qe6 38. h3 Rc6 39. Qf8 Qe4 0-1

[Event "Quebec op"]
[Site "Montreal"]
[Date "2012.07.22"]
[Round "3"]
[White "Yun, Chang"]
[Black "Larochelle, Martial"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1988"]
[BlackElo "2240"]
[PlyCount "92"]
[EventDate "2012.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 a6 6. Bb3 0-0 7. Nbd2 d6 8. Nf1 d5 9. Qe2 Re8 10. Bg5 dxe4 11. dxe4 h6 12. Bh4 Be6 13. Bc2 Be7 14. Ne3 Qc8 15. Bg3 Nd7 16. 0-0 Bf8 17. Rad1 g6 18. Rfe1 Bg7 19. h4 h5 20. Ng5 Nf8 21. Nxe6 Nxe6 22. Nd5 b5 23. a4 Qb7 24. axb5 axb5 25. Ra1 Na5 26. Bd3 c6 27. Ne3 Nb3 28. Rxa8 Rxa8 29. Bc2 Nbc5 30. Rd1 Qc7 31. Qd2 Rd8 32. Qe2 Bh6 33. b4 Nb7 34. Rxd8+ Nbxd8 35. Bb3 Bf4 36. Bxf4 exf4 37. Nf1 Qe7 38. g3 fxg3 39. fxg3 Nb7 40. Qa2 Ned8 41. Nd2 Qe5 42. Nf1 Qxc3 43. Qa3 Qd4+ 44. Kg2 Qxe4+ 45. Kg1 Qd4+ 46. Kg2 Kg7 0-1

[Event "Quebec op"]
[Site "Montreal"]
[Date "2012.07.21"]
[Round "1"]
[White "Yun, Chang"]
[Black "Hebert, Jean"]
[Result "0-1"]
[ECO "B51"]
[WhiteElo "1988"]
[BlackElo "2436"]
[PlyCount "72"]
[EventDate "2012.07.21"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. 0-0 Bg4 5. h3 Bh5 6. Re1 e6 7. c3 Nf6 8. Qa4 Qc7 9. e5 Nd5 10. g4 Bg6 11. d4 Nb6 12. Qb3 d5 13. Bf1 h5 14. Bg5 hxg4 15. hxg4 Be7 16. Bxe7 Qxe7 17. Na3 Be4 18. Bg2 c4 19. Qd1 0-0-0 20. Nb5 Kb8 21. Nd6 f5 22. gxf5 exf5 23. Qd2 Rh5 24. Kf1 Bd3+ 25. Kg1 Rdh8 26. Re3 Be4 27. b4 g5 28. Rxe4 dxe4 29. Ne1 Qh7 30. Kf1 Rh1+ 31. Bxh1 Qxh1+ 32. Ke2 Qh5+ 33. Kf1 Qg4 34. f3 Rh1+ 35. Ke2 Rh2+ 36. Kd1 Rxd2+ 0-1

[Event "Trois-Rivieres Mauricie op"]
[Site "Trois Rivieres"]
[Date "2012.03.18"]
[Round "5"]
[White "Poirier, Erik"]
[Black "Yun, Chang"]
[Result "1/2-1/2"]
[ECO "D53"]
[WhiteElo "2028"]
[BlackElo "1963"]
[PlyCount "9"]
[EventDate "2012.03.16"]
[EventType "swiss"]
[EventRounds "5"]
[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 Be7 4. Nf3 Nf6 5. Bg5 1/2-1/2

[Event "Trois-Rivieres Mauricie op"]
[Site "Trois Rivieres"]
[Date "2012.03.17"]
[Round "2"]
[White "Bolduc, Steve"]
[Black "Yun, Chang"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "2310"]
[BlackElo "1963"]
[PlyCount "59"]
[EventDate "2012.03.16"]
[EventType "swiss"]
[EventRounds "5"]
[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 Be7 4. cxd5 exd5 5. Bf4 Nf6 6. e3 c6 7. Bd3 Nbd7 8. h3 0-0 9. Qc2 Re8 10. Nf3 Nf8 11. 0-0 Ng6 12. Rfe1 Nxf4 13. exf4 Bd6 14. Ne5 g6 15. Qd2 Kg7 16. f5 Qc7 17. fxg6 hxg6 18. Qg5 Nh7 19. Qg3 Nf8 20. f4 f5 21. Rad1 Bxe5 22. fxe5 Qb6 23. Ne2 Qxb2 24. Bb1 Be6 25. Nf4 Qb4 26. Nxe6+ Nxe6 27. Bxf5 Nf8 28. Rf1 Qe7 29. Bxg6 Nxg6 30. Rf6 1-0

[Event "Trois-Rivieres Mauricie op"]
[Site "Trois Rivieres"]
[Date "2012.03.17"]
[Round "3"]
[White "Yun, Chang"]
[Black "Roy, Myriam"]
[Result "1/2-1/2"]
[ECO "B51"]
[WhiteElo "1963"]
[BlackElo "2093"]
[PlyCount "48"]
[EventDate "2012.03.16"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. Bb5 d6 4. Bxc6+ bxc6 5. 0-0 e5 6. c3 Bg4 7. h3 Bh5 8. d3 Nf6 9. Nbd2 Be7 10. Re1 0-0 11. Nf1 Qc7 12. Ng3 Bg6 13. Nh4 Rfe8 14. Nhf5 Rad8 15. Qc2 Bf8 16. Bg5 Re6 17. Rad1 Rde8 18. Kh1 d5 19. b3 Nd7 20. Bc1 Nb6 21. Nh4 Rd8 22. Nxg6 hxg6 23. c4 d4 24. Bd2 Nd7 1/2-1/2

[Event "Trois-Rivieres Mauricie op"]
[Site "Trois Rivieres"]
[Date "2012.03.16"]
[Round "1"]
[White "Yun, Chang"]
[Black "Fortier, Marc Andre"]
[Result "1-0"]
[ECO "B52"]
[WhiteElo "1963"]
[BlackElo "2117"]
[PlyCount "61"]
[EventDate "2012.03.16"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. Bb5+ Bd7 4. Bxd7+ Nxd7 5. 0-0 g6 6. c3 Bg7 7. d4 cxd4 8. cxd4 Qb6 9. Nc3 e6 10. Re1 Ne7 11. Rb1 0-0 12. Bg5 Rfe8 13. Qd2 Rac8 14. h4 Qa6 15. h5 Nb6 16. hxg6 hxg6 17. Qf4 Nc6 18. e5 dxe5 19. dxe5 Nd5 20. Qh4 Nxc3 21. bxc3 Nb8 22. Rbd1 Rxc3 23. Bf6 Rxf3 24. gxf3 Qa5 25. Kg2 Nd7 26. Bxg7 Kxg7 27. Rxd7 Qxe1 28. Qf6+ Kh6 29. Qf4+ Kh5 30. Rxf7 g5 31. Rh7+ 1-0

[Event "Quebec-ch A U20 Pepsico"]
[Site "Montreal"]
[Date "2012.02.12"]
[Round "5"]
[White "Yun, Chang"]
[Black "Leung, Chin"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "1958"]
[BlackElo "1489"]
[PlyCount "53"]
[EventDate "2012.02.10"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 g6 5. 0-0 Bg7 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. Re1 0-0 9. d4 d5 10. e5 Ne4 11. Nbd2 f5 12. exf6 Ndxf6 13. Nxe4 Nxe4 14. Be3 c4 15. Ng5 Nxg5 16. Bxg5 Rf7 17. Qd2 Qd7 18. Re2 Re8 19. Rae1 Bf8 20. h4 Qg4 21. Re5 Rf5 22. R5e2 Kf7 23. Kh2 h6 24. f3 Rxf3 25. gxf3 Qh5 26. Qf4+ Kg8 27. Bxe7 1-0

[Event "Quebec-ch A U20 Pepsico"]
[Site "Montreal"]
[Date "2012.02.12"]
[Round "4"]
[White "Zhu, Hong Rui"]
[Black "Yun, Chang"]
[Result "1/2-1/2"]
[ECO "B55"]
[WhiteElo "2103"]
[BlackElo "1958"]
[PlyCount "132"]
[EventDate "2012.02.10"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. f3 Nc6 6. Bb5 Bd7 7. Bxc6 Bxc6 8. c4 g6 9. Nc3 Bg7 10. Be3 0-0 11. Rc1 Nd7 12. 0-0 Rc8 13. Qd2 Re8 14. Kh1 Qa5 15. Rfd1 Ne5 16. b3 Bd7 17. Nde2 Bc6 18. Nd4 Bd7 19. h3 Nc6 20. Nd5 Qxd2 21. Rxd2 Bxd4 22. Bxd4 Nxd4 23. Rxd4 b5 24. Rc2 Be6 25. Ne3 bxc4 26. Nxc4 Rc5 27. Ne3 Rec8 28. Rdd2 Kg7 29. Kg1 f5 30. exf5 gxf5 31. f4 Kf6 32. Kf2 Rxc2 33. Rxc2 Rxc2+ 34. Nxc2 Bd7 35. Ke3 e5 36. fxe5+ dxe5 37. Nb4 f4+ 38. Kf2 Bc8 39. Nc6 a6 40. b4 h5 41. a4 h4 42. b5 axb5 43. axb5 Ke6 44. b6 Kd6 45. Nd8 Ba6 46. Kf3 Kd7 47. b7 Kc7 48. b8Q+ Kxb8 49. Nc6+ Kc7 50. Nxe5 Bb7+ 51. Kf2 Be4 52. Nf3 Kd6 53. Nxh4 Ke5 54. Ke2 Kf6 55. Nf3 Kf5 56. Kd2 Bb7 57. Ke2 Ba6+ 58. Kf2 Bb7 59. Nd4+ Ke5 60. Nb3 Kf5 61. Nc5 Bc6 62. Nd3 Kg5 63. Ne5 Bb7 64. Nf3+ Kf5 65. Ke2 Ba6+ 66. Kd2 Ke4 1/2-1/2

[Event "Quebec-ch A U20 Pepsico"]
[Site "Montreal"]
[Date "2012.02.11"]
[Round "3"]
[White "Jiang, Louie"]
[Black "Yun, Chang"]
[Result "1-0"]
[ECO "B25"]
[WhiteElo "2363"]
[BlackElo "1958"]
[PlyCount "55"]
[EventDate "2012.02.10"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 e6 4. Nf3 Nge7 5. d3 d6 6. g3 g6 7. Bg2 Bg7 8. Be3 Nd4 9. Qd2 Qa5 10. 0-0 0-0 11. Nd5 Qd8 12. Nxe7+ Qxe7 13. c3 Nxf3+ 14. Bxf3 Rd8 15. Rac1 e5 16. Qg2 Rb8 17. Rce1 b6 18. g4 exf4 19. Bxf4 Be5 20. Be3 Be6 21. a3 Bg7 22. g5 Qd7 23. Rf2 d5 24. Bf4 Rbc8 25. exd5 Bxd5 26. Bxd5 Qxd5 27. Re8+ Bf8 28. Qxd5 1-0

[Event "Quebec-ch A U20 Pepsico"]
[Site "Montreal"]
[Date "2012.02.11"]
[Round "2"]
[White "Yun, Chang"]
[Black "Chiku Ratte, Olivier Kenta"]
[Result "1/2-1/2"]
[ECO "B76"]
[WhiteElo "1958"]
[BlackElo "2122"]
[PlyCount "58"]
[EventDate "2012.02.10"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. 0-0-0 d5 10. Kb1 Nxd4 11. e5 Nf5 12. exf6 exf6 13. Bc5 d4 14. Bxf8 Qxf8 15. Nb5 Ne3 16. Re1 f5 17. f4 Qc5 18. c3 Nxf1 19. Re8+ Bf8 20. Qxd4 Qxb5 21. Qd8 Nd2+ 22. Kc2 Qa4+ 23. Kc1 Qxe8 24. Qxe8 Ne4 25. Rd1 Nf6 26. Qe5 Nd7 27. Qe8 Nf6 28. Qe5 Nd7 29. Qe8 Nf6 1/2-1/2

[Event "Quebec-ch A U20 Pepsico"]
[Site "Montreal"]
[Date "2012.02.10"]
[Round "1"]
[White "Samikov, Chingis"]
[Black "Yun, Chang"]
[Result "0-1"]
[ECO "D35"]
[WhiteElo "1417"]
[BlackElo "1958"]
[PlyCount "117"]
[EventDate "2012.02.10"]
[EventType "swiss"]
[EventRounds "5"]
[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 Be7 4. cxd5 exd5 5. Bf4 c6 6. e3 Nf6 7. Bd3 0-0 8. Nf3 Re8 9. 0-0 Nbd7 10. Qc2 Nf8 11. Rab1 Ng6 12. Bg5 Bd6 13. b4 Bg4 14. Na4 Bxf3 15. gxf3 h6 16. Bxg6 hxg5 17. Bf5 g6 18. Bd3 Kg7 19. Kg2 Rh8 20. h3 Rxh3 21. Rh1 Rxh1 22. Rxh1 Bxb4 23. Rb1 Qe7 24. Qb3 a5 25. a3 Bxa3 26. Qxb7 Qxb7 27. Rxb7 Bd6 28. Rb6 Rc8 29. Ra6 Bb4 30. Ra7 Ne8 31. Ba6 Rd8 32. Rb7 Ra8 33. Rb6 Nc7 34. Bb7 Rb8 35. Bxc6 Rxb6 36. Nxb6 Kf6 37. Nxd5+ Nxd5 38. Bxd5 a4 39. Kg3 Bd6+ 40. Kg4 Bb4 41. Kg3 Ke7 42. f4 Bd6 43. Kg4 gxf4 44. e4 Bc7 45. Bc4 f6 46. e5 fxe5 47. dxe5 Bxe5 48. Kg5 Kd6 49. Kxg6 Kc5 50. Bg8 Kd4 51. Kf5 Bb8 52. Kg4 Kc3 53. Kf3 Kb2 54. Ke2 a3 55. Kd2 a2 56. Bxa2 Kxa2 57. Kc1 Ba7 58. f3 Be3+ 59. Kc2 0-1

[Event "Montreal Pere Noel"]
[Site "Montreal"]
[Date "2011.12.30"]
[Round "5"]
[White "Chiku Ratte, Olivier Kenta"]
[Black "Yun, Chang"]
[Result "1/2-1/2"]
[ECO "D35"]
[WhiteElo "2187"]
[BlackElo "1935"]
[PlyCount "138"]
[EventDate "2011.12.26"]
[EventType "swiss"]
[EventRounds "5"]
[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 Be7 4. cxd5 exd5 5. Bf4 c6 6. Qc2 Nf6 7. e3 Nbd7 8. Bd3 0-0 9. Nf3 Re8 10. 0-0 Nf8 11. h3 Ng6 12. Bh2 Bd6 13. Bxd6 Qxd6 14. Rab1 a5 15. a3 Qe7 16. Na4 Ne4 17. Nb6 Rb8 18. Nxc8 Rbxc8 19. b4 axb4 20. axb4 Nh4 21. Bxe4 dxe4 22. Nxh4 Qxh4 23. b5 Re6 24. d5 Rg6 25. bxc6 bxc6 26. dxc6 h6 27. c7 Qxh3 28. Qxe4 Qd7 29. Rfd1 Qxc7 30. Rb7 Qc6 31. Qxc6 Rgxc6 32. Rdd7 Rf6 33. Rd2 Kh7 34. e4 Rc5 35. f3 g6 36. Kf2 h5 37. Ke3 Kg7 38. Rbd7 Rfc6 39. Re7 Rc7 40. Re8 Rc8 41. Re7 R8c7 42. Re8 Rc8 43. Rxc8 Rxc8 44. Rd7 Rc2 45. g3 Rc3+ 46. Ke2 Kf6 47. Rd6+ Ke7 48. e5 Rc5 49. f4 Rc3 50. Kf2 Rc2+ 51. Kf3 Rc3+ 52. Kg2 Rc2+ 53. Kh3 Rc3 54. Ra6 Rd3 55. Ra7+ Ke6 56. Kh4 Rc3 57. Ra8 Ke7 58. Ra7+ Ke6 59. Ra6+ Ke7 60. Rf6 Re3 61. g4 hxg4 62. Kxg4 Re4 63. Ra6 Rc4 64. Kg5 Rd4 65. f5 gxf5 66. Kxf5 Rd1 67. Ra7+ Rd7 68. Rxd7+ Kxd7 69. Kf6 Ke8 1/2-1/2

[Event "Montreal Pere Noel"]
[Site "Montreal"]
[Date "2011.12.29"]
[Round "4"]
[White "Yun, Chang"]
[Black "Barre, Michel"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "1935"]
[BlackElo "1831"]
[PlyCount "101"]
[EventDate "2011.12.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 Qxd5 5. Ngf3 cxd4 6. Bc4 Qd6 7. 0-0 Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 a6 11. a4 Be7 12. Be3 Bd7 13. Qe2 0-0 14. Rad1 Qb4 15. b3 e5 16. Nf3 Bg4 17. h3 Bxf3 18. Qxf3 Rfe8 19. Bd2 Qb6 20. a5 Qc7 21. Bc3 Rac8 22. Rfe1 Bd6 23. Qf5 Qe7 24. Kh1 Rc6 25. f4 e4 26. Bxf6 Qxf6 27. Qxf6 gxf6 28. Bd5 Rc7 29. Bxe4 Bxf4 30. Bxh7+ Kf8 31. Rxe8+ Kxe8 32. Be4 Re7 33. Bf3 Bg3 34. Kg1 Be1 35. Rd5 Bg3 36. Rd1 Be1 37. Bxb7 Bxa5 38. Bxa6 Be1 39. Kh2 f5 40. Rd4 Re3 41. Rd1 Bg3+ 42. Kg1 f4 43. Kf1 Ke7 44. Bc4 Re4 45. Bd5 Re3 46. Bf3 f5 47. b4 Ke6 48. b5 Bh4 49. b6 Bf6 50. b7 Be5 51. Rd8 1-0

[Event "Montreal Pere Noel"]
[Site "Montreal"]
[Date "2011.12.28"]
[Round "3"]
[White "Yun, Chang"]
[Black "Pregent, Daniel"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "1935"]
[BlackElo "1830"]
[PlyCount "65"]
[EventDate "2011.12.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 Nc6 5. d4 cxd4 6. cxd4 Nxe4 7. d5 Qa5+ 8. Nc3 Ne5 9. Nxe5 Nxc3 10. Nc4 Qxd5 11. bxc3 Qxg2 12. Bf3 Qg6 13. Be3 e5 14. Qa4+ Bd7 15. Qb3 Be7 16. 0-0-0 0-0 17. Nxe5 dxe5 18. Rxd7 Qf5 19. Rxe7 Qxf3 20. Rg1 Qf6 21. Rxb7 a5 22. a4 Rac8 23. Kb2 Qh4 24. Rd1 Qxh2 25. Rdd7 Qh5 26. Qb5 Qf3 27. Qxe5 Qe2+ 28. Rd2 Qf3 29. Qd5 Qg4 30. Bc5 h5 31. Bxf8 Rxf8 32. Qd4 Qf3 33. Rb5 1-0

[Event "Montreal Pere Noel"]
[Site "Montreal"]
[Date "2011.12.27"]
[Round "2"]
[White "Trottier, Emile"]
[Black "Yun, Chang"]
[Result "1-0"]
[ECO "B22"]
[WhiteElo "2163"]
[BlackElo "1935"]
[PlyCount "63"]
[EventDate "2011.12.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 Nc6 5. Nf3 Nf6 6. Be3 cxd4 7. cxd4 e6 8. Nc3 Qd8 9. Bd3 a6 10. 0-0 Be7 11. a3 0-0 12. Bc2 b5 13. Qd3 g6 14. Rfe1 Bb7 15. Rad1 b4 16. Nb1 Re8 17. Ba4 Qa5 18. Qb3 Nd5 19. Ne5 Rec8 20. Bxc6 Bxc6 21. Bh6 bxa3 22. Nxa3 Bf6 23. Nac4 Qd8 24. Qh3 Be8 25. f4 Bg7 26. Ne3 Nxe3 27. Rxe3 Bxh6 28. Qxh6 Qf6 29. Ng4 Qg7 30. Qg5 h5 31. Nf6+ Kh8 32. Rh3 1-0

[Event "Montreal Pere Noel"]
[Site "Montreal"]
[Date "2011.12.26"]
[Round "1"]
[White "Masse, Hugues"]
[Black "Yun, Chang"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2264"]
[BlackElo "1935"]
[PlyCount "81"]
[EventDate "2011.12.26"]
[EventType "swiss"]
[EventRounds "5"]
[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 Be7 4. Nf3 Nf6 5. Bf4 0-0 6. e3 Nbd7 7. a3 a6 8. Qc2 dxc4 9. Bxc4 b5 10. Ba2 Bb7 11. b4 Nh5 12. Bg3 Re8 13. 0-0 Nxg3 14. hxg3 Bd6 15. Ne4 h6 16. Rfd1 Nf6 17. Nc5 Bxf3 18. gxf3 Bxc5 19. Qxc5 Qd6 20. Qc3 c6 21. Bb3 Nd5 22. Qd2 h5 23. Kg2 g6 24. f4 Kg7 25. Rdc1 h4 26. gxh4 Rh8 27. Rh1 Rh7 28. Rh3 Rah8 29. Rah1 Qe7 30. Kg3 Nf6 31. f3 Kg8 32. Qc2 Nh5+ 33. Kg2 Qd7 34. Rc1 Nxf4+ 35. exf4 Qxd4 36. Rd1 Qf6 37. Qd2 Kg7 38. Qd4 Rxh4 39. Qxf6+ Kxf6 40. Rxh4 Rxh4 41. Kg3 1-0

[Event "Wch U16 Girls"]
[Site "Caldas Novas"]
[Date "2011.11.22"]
[Round "5"]
[White "Yun, Chang"]
[Black "Huber, Elke Carola"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1905"]
[BlackElo "1724"]
[PlyCount "29"]
[EventDate "2011.11.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 0-0 6. Bb3 Re8 7. Nbd2 d5 8. exd5 Nxd5 9. 0-0 Nf4 10. Ne4 Nxd3 11. Nfg5 Re7 12. Qh5 h6 13. Bxf7+ Kh8 14. Qg6 hxg5 15. Qh5# 1-0

[Event "Wch U16 Girls"]
[Site "Caldas Novas"]
[Date "2011.11.19"]
[Round "2"]
[White "Rodriguez Rueda, Paula Andrea"]
[Black "Yun, Chang"]
[Result "1-0"]
[ECO "E80"]
[WhiteElo "2145"]
[BlackElo "1905"]
[PlyCount "53"]
[EventDate "2011.11.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 c5 6. dxc5 dxc5 7. Qxd8+ Kxd8 8. Be3 Nfd7 9. Nge2 Nc6 10. 0-0-0 b6 11. f4 Na5 12. b3 Bb7 13. e5 e6 14. Nb5 Ke7 15. Nec3 Bh6 16. Re1 Bc6 17. Rg1 a6 18. Na3 Bg7 19. g3 h5 20. Bg2 h4 21. gxh4 Rxh4 22. Bxc6 Nxc6 23. f5 Rxh2 24. f6+ Nxf6 25. exf6+ Bxf6 26. Nd5+ exd5 27. Bf4+ 1-0

[Event "Wch U16 Girls"]
[Site "Caldas Novas"]
[Date "2011.11.18"]
[Round "1"]
[White "Yun, Chang"]
[Black "Moreira, Lunna Vezaro"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1905"]
[PlyCount "31"]
[EventDate "2011.11.18"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "BRA"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 d6 4. d4 f6 5. 0-0 Bg4 6. c3 Be7 7. h3 Bxf3 8. Qxf3 exd4 9. cxd4 Nxd4 10. Qh5+ g6 11. Qd5 Nc2 12. Qf7+ Kd7 13. Be6+ Kc6 14. Bg4 Kb6 15. Qb3+ Ka6 16. Be2+ 1-0

[Event "CAN-ch (Women) 15th"]
[Site "Toronto"]
[Date "2011.10.10"]
[Round "6"]
[White "Zhou, Qiyu"]
[Black "Yun, Chang"]
[Result "0-1"]
[ECO "B78"]
[WhiteElo "1660"]
[BlackElo "1990"]
[PlyCount "98"]
[EventDate "2011.10.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. Bc4 Bd7 10. 0-0-0 Rc8 11. Bb3 Nxd4 12. Bxd4 b5 13. Nd5 Nxd5 14. Bxg7 Kxg7 15. Bxd5 a5 16. a3 Qc7 17. h4 b4 18. axb4 axb4 19. Bb3 Qa5 20. Qd4+ e5 21. Qxd6 Be6 22. Bxe6 Rfd8 23. Bd7 Qa1+ 24. Kd2 Qxb2 25. Rc1 Qc3+ 26. Ke2 Rc7 27. Rhd1 Rcxd7 28. Qxd7 Rxd7 29. Rxd7 b3 30. Rd2 h5 31. Rb1 Qc4+ 32. Kf2 Qc5+ 33. Ke2 bxc2 34. Rc1 Qe7 35. g3 Qe6 36. Rcxc2 Qh3 37. Rc7 Qh2+ 38. Ke3 Qxg3 39. Rdd7 Qe1+ 40. Kd3 Qxh4 41. Rxf7+ Kh6 42. Rh7+ Kg5 43. Rc6 Qf2 44. Rf7 Qd4+ 45. Ke2 Qb2+ 46. Ke1 Qb1+ 47. Kf2 Qa2+ 48. Kg3 h4+ 49. Kh3 Qxf7 0-1

[Event "CAN-ch (Women) 15th"]
[Site "Toronto"]
[Date "2011.10.09"]
[Round "5"]
[White "Liu, Jiaxin"]
[Black "Yun, Chang"]
[Result "1/2-1/2"]
[ECO "A36"]
[BlackElo "1990"]
[PlyCount "93"]
[EventDate "2011.10.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. g3 Nf6 4. Bg2 g6 5. d3 Bg7 6. e4 d6 7. Nge2 0-0 8. 0-0 a6 9. h3 Rb8 10. a4 Ne8 11. Kh2 Nc7 12. Nd5 Ne6 13. Rb1 a5 14. Be3 Ned4 15. Nxd4 Bxd4 16. Qd2 Bd7 17. Nc3 b6 18. Bh6 Bg7 19. Bxg7 Kxg7 20. Ne2 e5 21. f4 f6 22. Nc3 Nd4 23. Qd1 Bc6 24. b3 Qe7 25. Ne2 Nxe2 26. Qxe2 Kh8 27. Rbe1 Bd7 28. Qe3 Rf7 29. Bf3 Rg8 30. Re2 Be8 31. Bg4 h5 32. Bf3 Rh7 33. h4 g5 34. Rg2 Rhg7 35. Rfg1 gxf4 36. gxf4 exf4 37. Qxf4 Qe5 38. Qxe5 Rxg2+ 39. Rxg2 Rxg2+ 40. Kxg2 dxe5 41. Kf2 Kg7 42. Kg3 Kg6 43. Kh3 Bd7+ 44. Kg2 Bg4 45. Bxg4 hxg4 46. Kh2 Kh6 47. Kg2 1/2-1/2

[Event "CAN-ch (Women) 15th"]
[Site "Toronto"]
[Date "2011.10.09"]
[Round "4"]
[White "Yun, Chang"]
[Black "Giblon, Melissa"]
[Result "1-0"]
[ECO "B63"]
[WhiteElo "1990"]
[BlackElo "1580"]
[PlyCount "63"]
[EventDate "2011.10.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Bg5 e6 7. Qd2 h6 8. Bxf6 Qxf6 9. Nb3 Be7 10. h4 Qg6 11. 0-0-0 0-0 12. h5 Qg4 13. Be2 Qxg2 14. Rhg1 Qxf2 15. Rdf1 Bg5 16. Rxg5 Qxf1+ 17. Bxf1 hxg5 18. Qxg5 Ne5 19. h6 Ng6 20. e5 d5 21. hxg7 Kxg7 22. Qf6+ Kh7 23. Bd3 Bd7 24. Ne2 Kg8 25. Ng3 Kh7 26. Nd4 Kh6 27. Nf3 Rg8 28. Ng5 Be8 29. Nf1 Rc8 30. Nh2 d4 31. Ngf3 Rc5 32. Ng4+ 1-0

[Event "CAN-ch (Women) 15th"]
[Site "Toronto"]
[Date "2011.10.08"]
[Round "3"]
[White "Chichkina, Olya"]
[Black "Yun, Chang"]
[Result "1-0"]
[ECO "A48"]
[BlackElo "1990"]
[PlyCount "37"]
[EventDate "2011.10.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. Nc3 Bg7 4. Bf4 c5 5. e3 0-0 6. Be2 d6 7. Qd2 Qa5 8. 0-0 b6 9. a3 cxd4 10. Nxd4 Qc5 11. Bf3 e5 12. Bxa8 exf4 13. exf4 d5 14. Rab1 a6 15. Nb3 Qc7 16. Nxd5 Nxd5 17. Bxd5 Rd8 18. Rfd1 Be6 19. c4 1-0

[Event "CAN-ch (Women) 15th"]
[Site "Toronto"]
[Date "2011.10.08"]
[Round "1"]
[White "Khoudgarian, Natalia"]
[Black "Yun, Chang"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2140"]
[BlackElo "1990"]
[PlyCount "67"]
[EventDate "2011.10.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bd3 Nc6 5. 0-0 e5 6. Re1 Be7 7. h3 0-0 8. Bb5 Qb6 9. Na3 Bd7 10. Bf1 a6 11. Nc4 Qa7 12. a4 h6 13. a5 Be6 14. d4 cxd4 15. cxd4 Bxc4 16. Bxc4 Nxd4 17. Nxd4 exd4 18. b3 Nd7 19. Bxh6 Ne5 20. Bf4 Qc5 21. Bd5 Rab8 22. Qd2 Rfc8 23. Rec1 Qb5 24. Qxd4 Bf6 25. Qe3 Rxc1+ 26. Rxc1 Qxa5 27. Bg5 Bxg5 28. Qxg5 Qb6 29. Qe7 Rf8 30. Qxb7 Qd4 31. Qxa6 Nd3 32. Rf1 Ne5 33. Qxd6 Rc8 34. Bxf7+ 1-0

[Event "CAN-ch (Women) 15th"]
[Site "Toronto"]
[Date "2011.10.08"]
[Round "2"]
[White "Yun, Chang"]
[Black "Danti, Jessica"]
[Result "1-0"]
[ECO "C08"]
[WhiteElo "1990"]
[PlyCount "71"]
[EventDate "2011.10.08"]
[EventType "swiss"]
[EventRounds "6"]
[EventCountry "CAN"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Bg4 6. Be2 Nf6 7. 0-0 Nc6 8. Re1 Be7 9. dxc5 Bxc5 10. Bb5+ Be6 11. Bxc6+ bxc6 12. Nb3 Bb6 13. Nbd4 Ne4 14. Be3 Rc8 15. Nxe6 fxe6 16. Nd4 Qf6 17. f3 Ng5 18. h4 Bxd4 19. Bxd4 Nxf3+ 20. gxf3 Qxh4 21. Re2 0-0 22. Rg2 Rc7 23. Be5 Rcf7 24. f4 h6 25. Qd3 Qe7 26. Qg6 a5 27. Qxh6 Rf6 28. Qh3 Qc5+ 29. Kh1 d4 30. Rag1 Qd5 31. Kh2 Kf7 32. Rxg7+ Ke8 33. Bxf6 Rxf6 34. Qh7 Qd6 35. Rg8+ Rf8 36. Rxf8+ 1-0

[Event "Montreal op 91st"]
[Site "Montreal"]
[Date "2011.09.11"]
[Round "4.22"]
[White "Yun, Chang"]
[Black "Desjardins, Michel"]
[Result "1/2-1/2"]
[ECO "D03"]
[WhiteElo "1990"]
[BlackElo "1986"]
[PlyCount "38"]
[EventDate "2011.09.09"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Bg5 d5 3. Nd2 g6 4. Ngf3 Bg7 5. e3 Nbd7 6. Be2 0-0 7. 0-0 c5 8. c3 b6 9. a3 Bb7 10. Qb1 Rc8 11. b4 cxd4 12. cxd4 Qc7 13. Rc1 Qb8 14. Qb2 Rxc1+ 15. Rxc1 Rc8 16. Bf4 Rxc1+ 17. Qxc1 Qc8 18. Qxc8+ Bxc8 19. Ne5 Nxe5 1/2-1/2

[Event "Montreal op 91st"]
[Site "Montreal"]
[Date "2011.09.10"]
[Round "2"]
[White "Yun, Chang"]
[Black "Libersan, Thierry"]
[Result "0-1"]
[ECO "B33"]
[WhiteElo "1990"]
[BlackElo "2066"]
[PlyCount "106"]
[EventDate "2011.09.09"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "CBM 144 Extra"]
[Source "ChessBase"]
[SourceDate "2011.10.28"]
[SourceVersion "1"]
[SourceVersionDate "2011.10.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 Nc6 6. Ndb5 d6 7. Bf4 e5 8. Bg5 a6 9. Na3 b5 10. Nd5 Be7 11. Bxf6 Bxf6 12. c3 Ne7 13. Nc2 Bb7 14. Nce3 Bg5 15. Nxe7 Bxe7 16. Nd5 0-0 17. Qd3 Kh8 18. Be2 Rc8 19. Rd1 Bxd5 20. Qxd5 Qb6 21. 0-0 Rc5 22. Qb3 Qc6 23. Bf3 g6 24. Rfe1 Kg7 25. g3 a5 26. Rd5 Rxd5 27. Qxd5 Qxd5 28. exd5 Rc8 29. a4 Rb8 30. Ra1 bxa4 31. Rxa4 Rxb2 32. Rxa5 Bd8 33. Ra4 Bb6 34. Rb4 Rxf2 35. Bg2 Rb2+ 36. Kh1 Rxb4 37. cxb4 f5 38. Bf1 Kf6 39. h4 e4 40. Kg2 Ke5 41. Bc4 Kd4 42. Ba2 Kc3 43. Kf1 Kxb4 44. Ke2 Kc3 45. Kd1 Kd3 46. Ke1 Ke3 47. h5 Kf3 48. Bc4 Kxg3 49. Bb5 gxh5 50. Bd7 f4 51. Bf5 e3 52. Bxh7 f3 53. Bd3 h4 0-1

[Event "Quebec op"]
[Site "Montreal"]
[Date "2011.07.30"]
[Round "9"]
[White "Plante, Michel"]
[Black "Yun, Chang"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "2066"]
[BlackElo "1881"]
[PlyCount "93"]
[EventDate "2011.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 d6 2. e4 Nf6 3. Nc3 g6 4. Bg5 Bg7 5. e5 dxe5 6. dxe5 Qxd1+ 7. Rxd1 Ng8 8. Nf3 c6 9. h3 Bf5 10. Bd3 Bxd3 11. cxd3 f6 12. Bf4 fxe5 13. Bxe5 Bxe5 14. Nxe5 Nd7 15. d4 e6 16. 0-0 Ngf6 17. Rfe1 Nxe5 18. dxe5 Nd5 19. Ne4 Rf8 20. Ng5 Ke7 21. Nxh7 Rf5 22. Rd4 Rh5 23. Nf6 Nxf6 24. exf6+ Kxf6 25. Rd6 Re8 26. Rd7 Re7 27. Rxe7 Kxe7 28. Kh2 Rc5 29. Re2 b5 30. Kg3 b4 31. Kf4 Kf6 32. Ke4 Rd5 33. f4 a5 34. Rc2 a4 35. g4 c5 36. h4 Rd4+ 37. Ke3 Rd5 38. b3 a3 39. Rh2 Rd1 40. Rc2 Rd5 41. Rh2 Rd1 42. g5+ Kf5 43. h5 gxh5 44. Rxh5 Ra1 45. Rh6 Rxa2 46. Kf3 Ra1 47. Rf6# 1-0

[Event "Quebec op"]
[Site "Montreal"]
[Date "2011.07.29"]
[Round "8"]
[White "Laurain, Guy1111"]
[Black "Yun, Chang"]
[Result "0-1"]
[ECO "B74"]
[WhiteElo "2091"]
[BlackElo "1881"]
[PlyCount "126"]
[EventDate "2011.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. 0-0 0-0 8. Be3 Nc6 9. Nb3 Be6 10. f4 Na5 11. f5 Bc4 12. Nxa5 Bxe2 13. Qxe2 Qxa5 14. Rad1 Rab8 15. Bd4 Rfd8 16. Kh1 Nd7 17. Nd5 Re8 18. Qf2 Bxd4 19. Qxd4 Qc5 20. Qd3 Nb6 21. fxg6 fxg6 22. b3 Nxd5 23. Qxd5+ Qxd5 24. Rxd5 b5 25. Kg1 b4 26. Ra5 Rb7 27. a3 Rc8 28. Rf2 bxa3 29. Rxa3 Rc5 30. Kf1 Re5 31. Ra4 Rc7 32. Rd4 Ra5 33. Ke1 Ra2 34. Kd1 Ra1+ 35. Kd2 Rxc2+ 36. Kxc2 Ra2+ 37. Kc3 Rxf2 38. Ra4 Rxg2 39. Rxa7 Kf7 40. b4 Rxh2 41. b5 Rh1 42. Ra4 Rb1 43. Rb4 Rc1+ 44. Kd4 Ke6 45. b6 Rc8 46. Rb1 Kd7 47. b7 Rb8 48. Rh1 h5 49. Rg1 Rxb7 50. Rxg6 Rb1 51. Rh6 Rh1 52. e5 dxe5+ 53. Kxe5 h4 54. Kf4 h3 55. Kg3 e6 56. Rh7+ Kd6 57. Ra7 e5 58. Ra6+ Kd5 59. Ra5+ Ke4 60. Ra4+ Kf5 61. Ra5 Rg1+ 62. Kxh3 Kf4 63. Kh2 Rg7 0-1

[Event "Quebec op"]
[Site "Montreal"]
[Date "2011.07.28"]
[Round "7"]
[White "Yun, Chang"]
[Black "Auger, Bertrand"]
[Result "1-0"]
[ECO "C08"]
[WhiteElo "1881"]
[BlackElo "1961"]
[PlyCount "84"]
[EventDate "2011.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. exd5 exd5 5. Ngf3 Nf6 6. Bb5+ Bd7 7. Bxd7+ Nbxd7 8. 0-0 Be7 9. dxc5 Nxc5 10. Nb3 0-0 11. Nxc5 Bxc5 12. Bg5 Be7 13. Bxf6 Bxf6 14. c3 Qb6 15. Qb3 Qxb3 16. axb3 a6 17. Rfd1 Rfd8 18. Ra5 b5 19. b4 g6 20. Kf1 Rd6 21. Nd4 Re8 22. Raa1 Re4 23. Nb3 Re8 24. Rd3 h5 25. Nc5 d4 26. Rad1 Rd5 27. Nxa6 Rd7 28. Nc5 Ra7 29. cxd4 Ra2 30. R3d2 Bg5 31. Rc2 Bf4 32. d5 Rd8 33. g3 Be5 34. f4 Rxb2 35. Rxb2 Bxb2 36. d6 Kf8 37. d7 Ke7 38. Re1+ Kf8 39. Re4 Bf6 40. Ke2 Be7 41. Rd4 Bf6 42. Nb7 Ke7 1-0

[Event "Quebec op"]
[Site "Montreal"]
[Date "2011.07.27"]
[Round "6"]
[White "Sprumont, Oscar"]
[Black "Yun, Chang"]
[Result "0-1"]
[ECO "C41"]
[WhiteElo "1757"]
[BlackElo "1881"]
[PlyCount "184"]
[EventDate "2011.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Qe7 3. Bc4 c6 4. Nc3 d6 5. 0-0 g6 6. d4 Bg7 7. Qd3 Nh6 8. Bd2 f6 9. Rad1 Nf7 10. Bc1 Nd7 11. Rd2 Bh6 12. Re2 Bxc1 13. Rxc1 0-0 14. Rd1 Kg7 15. Bb3 Re8 16. Kh1 Nb6 17. h3 Be6 18. d5 cxd5 19. Nxd5 Bxd5 20. Bxd5 Nxd5 21. Qxd5 Rac8 22. Qd3 Qc7 23. c3 Qa5 24. a3 Qa4 25. Qc2 Qxc2 26. Rxc2 f5 27. Nd2 Red8 28. exf5 gxf5 29. Nf1 f4 30. Rd5 Ng5 31. f3 Kf6 32. Rcd2 Ke7 33. Rd1 Ne6 34. Nh2 Ng7 35. Ng4 Nf5 36. R1d2 h5 37. Nf2 Ne3 38. R5d3 Ke6 39. b3 b5 40. Nd1 Nxd1 41. Rxd1 d5 42. Kg1 h4 43. Kf2 Rd7 44. Kg1 Rcd8 45. Kf2 e4 46. Rd4 e3+ 47. Ke2 Ke5 48. R1d3 Rc8 49. c4 bxc4 50. bxc4 Rcd8 51. cxd5 Rxd5 52. Re4+ Kf5 53. Rxd5+ Rxd5 54. Re7 Ra5 55. Rh7 Kg5 56. Rg7+ Kf5 57. Rh7 Rxa3 58. Rh5+ Kf6 59. Rxh4 Ra2+ 60. Kf1 Ke5 61. Rh5+ Kd4 62. Rf5 Kd3 63. Rd5+ Kc3 64. Rf5 Kd2 65. Rd5+ Kc1 66. h4 Rf2+ 67. Ke1 Rxg2 68. Rf5 Kc2 69. h5 Rh2 70. Ra5 Kd3 71. Ra3+ Kd4 72. Rxa7 Rxh5 73. Ra4+ Kd3 74. Ra3+ Kc4 75. Ra4+ Kc3 76. Ke2 Rh2+ 77. Ke1 Kd3 78. Ra3+ Kd4 79. Ra4+ Ke5 80. Ra5+ Kf6 81. Rb5 Rf2 82. Rb8 Kg5 83. Rg8+ Kf6 84. Rf8+ Ke5 85. Re8+ Kd6 86. Re4 Rxf3 87. Ke2 Rf2+ 88. Ke1 Kd5 89. Re8 Ra2 90. Re7 Kd4 91. Rd7+ Ke4 92. Rh7 Ra1+ 0-1

[Event "Quebec op"]
[Site "Montreal"]
[Date "2011.07.26"]
[Round "5"]
[White "Zhu, Hong Rui"]
[Black "Yun, Chang"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2002"]
[BlackElo "1881"]
[PlyCount "107"]
[EventDate "2011.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Be2 g6 5. 0-0 Bg7 6. Re1 0-0 7. Bf1 Nc6 8. h3 e5 9. d4 Qc7 10. Bg5 h6 11. Bh4 Re8 12. dxc5 dxc5 13. Bxf6 Bxf6 14. Nbd2 Be6 15. Qc2 a6 16. Bc4 Nd8 17. Rad1 b5 18. Bxe6 Nxe6 19. Nf1 c4 20. Ne3 Bg7 21. Rd2 Nc5 22. Red1 h5 23. Nd5 Qc6 24. Re2 Bh6 25. Nb4 Qc7 26. Nd5 Qc6 27. g3 Kg7 28. Nb4 Qe6 29. Kg2 Rac8 30. Rd5 Qf6 31. Rd1 Red8 32. Rxd8 Rxd8 33. Nd5 Qe6 34. b4 Nd3 35. Ne1 f5 36. f3 Nxe1+ 37. Rxe1 fxe4 38. fxe4 Rf8 39. Qe2 a5 40. a3 axb4 41. axb4 Qa6 42. h4 Qa7 43. Rf1 Rxf1 44. Qxf1 Qa2+ 45. Kh3 Qa6 46. Qf2 Qe6+ 47. Kg2 Qa6 48. Kh2 Bc1 49. Qc5 Qb7 50. Qd6 Qa8 51. Qf6+ Kh6 52. Ne7 Qe8 53. Nf5+ Kh7 54. Qg7# 1-0

[Event "Quebec op"]
[Site "Montreal"]
[Date "2011.07.25"]
[Round "4"]
[White "Yun, Chang"]
[Black "Zhang, Zhiyuan"]
[Result "0-1"]
[ECO "C09"]
[WhiteElo "1881"]
[BlackElo "2046"]
[PlyCount "122"]
[EventDate "2011.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Be2 cxd4 7. 0-0 Bd6 8. Re1 Nge7 9. Nb3 0-0 10. Nbxd4 a6 11. c3 Bg4 12. Qd3 Bh5 13. g3 Qd7 14. Nh4 Bg6 15. Nxg6 hxg6 16. Bf1 Ne5 17. Qd1 Rac8 18. Bf4 Nc4 19. Bxd6 Qxd6 20. Qb3 b5 21. Bg2 Rb8 22. Rxe7 Qxe7 23. Nc6 Qe2 24. Nxb8 Rxb8 25. Bxd5 Qxb2 26. Re1 Qxb3 27. axb3 Nb6 28. Bc6 Rc8 29. Re8+ Rxe8 30. Bxe8 Nd5 31. c4 bxc4 32. bxc4 Nc7 33. Ba4 Kf8 34. f4 Ke7 35. Kf2 Kd6 36. Ke3 Ne6 37. Be8 Ke7 38. Bc6 f6 39. Ke4 Kd6 40. Bd5 a5 41. Bxe6 Kxe6 42. Kd4 Kd6 43. Kc3 Kc5 44. Kb3 a4+ 45. Kxa4 Kxc4 46. Ka5 Kd4 47. Kb5 Ke4 48. Kc5 Kf3 49. Kd4 Kg2 50. Ke4 Kxh2 51. Kf3 Kh3 52. Kf2 Kg4 53. Kg2 g5 54. fxg5 Kxg5 55. Kf3 Kf5 56. g4+ Kg5 57. Kg3 g6 58. Kf3 Kh4 59. Kf4 g5+ 60. Kf5 Kg3 61. Kxf6 Kxg4 0-1

[Event "Quebec op"]
[Site "Montreal"]
[Date "2011.07.24"]
[Round "2.36"]
[White "Gauthier, Denis"]
[Black "Yun, Chang"]
[Result "0-1"]
[ECO "E61"]
[WhiteElo "1996"]
[BlackElo "1881"]
[PlyCount "96"]
[EventDate "2011.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 0-0 5. Bf4 d6 6. h3 c5 7. e3 Qa5 8. Qd2 a6 9. Be2 Nfd7 10. d5 b5 11. 0-0 b4 12. Ne4 Nf6 13. Nxf6+ Bxf6 14. e4 Nd7 15. Bd3 Qc7 16. Rfe1 Rb8 17. Bg5 a5 18. Bxf6 exf6 19. Nh2 Ne5 20. f4 Nxd3 21. Qxd3 Re8 22. Nf3 Re7 23. Re3 Ba6 24. Kh2 a4 25. b3 a3 26. e5 Rbe8 27. Rae1 fxe5 28. fxe5 Bc8 29. exd6 Qxd6+ 30. Kg1 Bf5 31. Qd2 Kg7 32. Rxe7 Rxe7 33. Rxe7 Qxe7 34. Kf2 Qf6 35. Qe3 Qb2+ 36. Kg3 Qxa2 37. Qe5+ Kg8 38. Qe8+ Kg7 39. Qe5+ Kg8 40. Ng5 Qxb3+ 41. Kh2 Qb2 42. Qe8+ Kg7 43. Qxf7+ Kh6 44. Qe7 Qd2 45. h4 Kh5 46. Nxh7 Qf4+ 47. Kg1 Qd4+ 48. Kf1 Bd3+ 0-1

[Event "Montreal Mini-COQ"]
[Site "Montreal"]
[Date "2011.07.24"]
[Round "3"]
[White "Yun, Chang"]
[Black "Gueorguiev, Valentin"]
[Result "1-0"]
[ECO "B08"]
[WhiteElo "1881"]
[BlackElo "2040"]
[PlyCount "145"]
[EventDate "2011.07.23"]
[EventType "swiss"]
[EventRounds "4"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Nf3 Nf6 5. h3 0-0 6. Be3 d5 7. exd5 Nxd5 8. Nxd5 Qxd5 9. Qd2 Nc6 10. Be2 Rd8 11. c4 Qd6 12. Rd1 Bf5 13. 0-0 a5 14. d5 Ne5 15. Nd4 Qb4 16. Nxf5 Qxd2 17. Nxe7+ Kf8 18. Nxg6+ hxg6 19. Rxd2 a4 20. Rfd1 Nd7 21. a3 b6 22. Bd4 Bxd4 23. Rxd4 Nc5 24. d6 Nb3 25. Rd5 c6 26. R5d3 Nc5 27. Re3 Rd7 28. Bf3 Rad8 29. Bxc6 Rxd6 30. Rxd6 Rxd6 31. Bf3 Rd4 32. Kf1 Rxc4 33. Rc3 Rd4 34. Ke2 Ke7 35. Rc2 Rd6 36. Rd2 Re6+ 37. Kd1 Kf6 38. Kc2 g5 39. Kc3 Kg6 40. Kb4 f5 41. Bd5 Rf6 42. f3 Kh5 43. Rd4 f4 44. Bc4 Kh4 45. Rd2 Kg3 46. Bb5 Nb3 47. Rc2 Nd4 48. Rd2 Nf5 49. Kxa4 Ne3 50. b4 Nxg2 51. Rd5 Rg6 52. Bd3 Rg7 53. Be4 Ne3 54. Rb5 Kxh3 55. Rxb6 Nc4 56. Rh6+ Kg3 57. b5 Nd2 58. Rg6 Ra7+ 59. Ra6 Re7 60. Bd5 Nb1 61. Kb4 Nd2 62. b6 g4 63. fxg4 f3 64. b7 Rxb7+ 65. Bxb7 f2 66. Rf6 f1Q 67. Rxf1 Nxf1 68. Bc8 Kf4 69. a4 Ne3 70. Kc5 Ke5 71. a5 Nd5 72. a6 Nc7 73. Kc6 1-0

[Event "Quebec op"]
[Site "Montreal"]
[Date "2011.07.23"]
[Round "1.27"]
[White "Yun, Chang"]
[Black "Chiku Ratte, Olivier Kenta"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "1881"]
[BlackElo "2098"]
[PlyCount "76"]
[EventDate "2011.07.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. 0-0-0 d5 10. Kb1 Nxd4 11. e5 Nf5 12. exf6 exf6 13. Bc5 d4 14. Bxf8 Qxf8 15. Ne2 Ne3 16. Rc1 f5 17. f4 Nc4 18. Qe1 Be6 19. Nxd4 Bxd4 20. Bxc4 Bxc4 21. Qa5 b6 22. Qa4 b5 23. Qa5 Bb6 24. Qc3 Rc8 25. Qg3 Bd5 26. h4 h5 27. Rhe1 Be4 28. Qg5 Bd8 29. Qg3 Bf6 30. Qb3 Rc4 31. a3 Qc5 32. Re2 a5 33. g3 a4 34. Qe3 Bd4 35. Qd2 b4 36. axb4 Rxb4 37. Rxe4 Rxb2+ 38. Ka1 Qa3# 0-1

[Event "Canadian op 48th"]
[Site "Toronto"]
[Date "2011.07.17"]
[Round "9"]
[White "Yun, Chang"]
[Black "Roller, Robert"]
[Result "1-0"]
[ECO "C09"]
[WhiteElo "1572"]
[BlackElo "1993"]
[PlyCount "67"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 Nc6 5. exd5 exd5 6. Be2 Bd6 7. dxc5 Bxc5 8. 0-0 Nge7 9. Nb3 Bd6 10. Re1 Bg4 11. Nbd4 0-0 12. c3 h6 13. Qd3 a6 14. Ng5 hxg5 15. Bxg4 Ne5 16. Qh3 Nxg4 17. Qxg4 Qc7 18. Bxg5 Bxh2+ 19. Kh1 Bd6 20. Bxe7 Bxe7 21. Nf5 Bf6 22. Nh6+ Kh8 23. Qh5 g6 24. Qf3 Kg7 25. Kg1 Rad8 26. Ng4 Bg5 27. Re5 f5 28. Qe2 Rf7 29. Re1 Bf4 30. Re6 fxg4 31. Qxg4 g5 32. Qh5 Rh8 33. Qg6+ Kf8 34. Re8# 1-0

[Event "Canadian op 48th"]
[Site "Toronto"]
[Date "2011.07.16"]
[Round "8"]
[White "Back, Jeff"]
[Black "Yun, Chang"]
[Result "1/2-1/2"]
[ECO "C14"]
[WhiteElo "2053"]
[BlackElo "1572"]
[PlyCount "129"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. d4 Nf6 2. Nc3 d5 3. Bg5 e6 4. Nf3 Be7 5. Bxf6 Bxf6 6. e4 0-0 7. e5 Be7 8. Bd3 c5 9. dxc5 Bxc5 10. 0-0 Nc6 11. a3 a5 12. Qe2 f6 13. Rad1 fxe5 14. Nxe5 Nxe5 15. Qxe5 Qh4 16. Qg3 Qxg3 17. hxg3 Bd7 18. Be2 Rf6 19. Nxd5 exd5 20. Rxd5 Re8 21. Bc4 b5 22. Bb3 a4 23. Rxc5+ axb3 24. cxb3 Re2 25. a4 bxa4 26. bxa4 Rxb2 27. Rc4 h6 28. Rd1 Be6 29. Rf4 Rxf4 30. gxf4 Ra2 31. Rd8+ Kf7 32. Ra8 Kf6 33. Ra6 Kf5 34. g4+ Kxf4 35. Rxe6 Rxa4 36. Rg6 Ra7 37. Kg2 Rf7 38. Rd6 Kxg4 39. Rg6+ Kh5 40. Rg3 g5 41. Ra3 Kg6 42. Ra5 h5 43. Rb5 h4 44. Rb8 Kh6 45. Rb4 Rf4 46. Rxf4 gxf4 47. f3 Kg5 48. Kh3 Kh5 49. Kg2 Kh6 50. Kh2 Kg5 51. Kg2 Kf5 52. Kh3 Ke5 53. Kxh4 Kf5 54. Kh5 Kf6 55. Kg4 Kg6 56. Kxf4 Kf6 57. Ke4 Ke6 58. f4 Kf6 59. f5 Kf7 60. Ke5 Ke7 61. f6+ Kf7 62. Kf5 Kf8 63. Ke6 Ke8 64. f7+ Kf8 65. Kd7 1/2-1/2

[Event "Canadian op 48th"]
[Site "Toronto"]
[Date "2011.07.15"]
[Round "7"]
[White "Lacau Rodean, Iulia"]
[Black "Yun, Chang"]
[Result "1-0"]
[ECO "A04"]
[WhiteElo "2091"]
[BlackElo "1572"]
[PlyCount "69"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. g3 g6 4. Bg2 Bg7 5. 0-0 Nf6 6. Re1 Nc6 7. c3 e5 8. d4 0-0 9. dxc5 dxc5 10. Qc2 h6 11. Be3 Qe7 12. h3 Be6 13. Nbd2 Nd7 14. g4 Rac8 15. Bf1 a6 16. Rad1 Rfd8 17. Bc4 b5 18. Bxe6 Qxe6 19. b3 Qe7 20. Nf1 Nd4 21. cxd4 cxd4 22. Qb2 dxe3 23. Nxe3 Nf6 24. Qxe5 Qxe5 25. Nxe5 Nxe4 26. Nd5 Kf8 27. Rxe4 Rc5 28. Nxg6+ fxg6 29. Rf4+ Ke8 30. Re1+ Kd7 31. Re7+ Kd6 32. Rxg7 Rxd5 33. Rxg6+ Kc5 34. Rxh6 Rd2 35. Rxa6 1-0

[Event "Canadian op 48th"]
[Site "Toronto"]
[Date "2011.07.14"]
[Round "6"]
[White "Yun, Chang"]
[Black "Pitre, Hanniegn G"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "1572"]
[BlackElo "1907"]
[PlyCount "113"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. c4 Nf6 5. Nc3 e6 6. Nf3 Bb4 7. cxd5 exd5 8. Bd3 Bg4 9. Qa4+ Nc6 10. Ne5 0-0 11. Nxc6 Qe8+ 12. Be3 Bxc3+ 13. bxc3 bxc6 14. 0-0 Qd7 15. Qc2 Rfe8 16. Rfe1 Qd6 17. Rab1 g6 18. f3 Be6 19. Qd2 Qd7 20. Bg5 Nh5 21. g4 Ng7 22. Bf6 Qd6 23. Be5 Qe7 24. Qf4 Qh4 25. Bf6 Nh5 26. Bxh4 Nxf4 27. Bf1 Bd7 28. Rxe8+ Bxe8 29. Rb7 Ne6 30. Be7 a5 31. Kf2 a4 32. a3 h6 33. Kg3 g5 34. h4 gxh4+ 35. Kxh4 Kg7 36. Bd6 Ng5 37. Kg3 Kg8 38. Be5 Ne6 39. Bd3 c5 40. Bf5 Ng5 41. dxc5 d4 42. cxd4 Bc6 43. Rb6 Bxf3 44. Rxh6 f6 45. Bxf6 Ne4+ 46. Bxe4 Bxe4 47. Rh8+ Kf7 48. Rxa8 Bxa8 49. g5 Ke6 50. Kf4 Bc6 51. Be5 Be8 52. Kg4 Kd5 53. Kf5 Kc4 54. g6 Kb3 55. g7 Bf7 56. c6 Kxa3 57. c7 1-0

[Event "Canadian op 48th"]
[Site "Toronto"]
[Date "2011.07.13"]
[Round "5"]
[White "Yun, Chang"]
[Black "Sakka, Louay"]
[Result "1-0"]
[ECO "B06"]
[WhiteElo "1572"]
[BlackElo "1643"]
[PlyCount "47"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 g6 2. d4 Bg7 3. Nc3 d6 4. Be3 e6 5. f3 Ne7 6. Qd2 Nbc6 7. Be2 f5 8. 0-0-0 b6 9. h4 h6 10. g4 fxg4 11. fxg4 Bb7 12. Nh3 Qd7 13. d5 Ne5 14. Nf4 exd5 15. exd5 0-0-0 16. Ne6 Nxd5 17. Nxd8 Nxe3 18. Nxb7 Nxd1 19. Ba6 Kb8 20. Rxd1 Nxg4 21. Qg2 Ne3 22. Nc5 Nxg2 23. Nxd7+ Ka8 24. Nd5 1-0

[Event "Canadian op 48th"]
[Site "Toronto"]
[Date "2011.07.12"]
[Round "4"]
[White "Kagramanov, Dalia"]
[Black "Yun, Chang"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "2027"]
[BlackElo "1572"]
[PlyCount "85"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. 0-0-0 Nxd4 10. Bxd4 Be6 11. Kb1 Qc7 12. g4 Rfc8 13. Be2 Qa5 14. a3 Rab8 15. Nd5 Qxd2 16. Nxf6+ Bxf6 17. Rxd2 Bxd4 18. Rxd4 b5 19. Rhd1 a5 20. f4 Kg7 21. g5 b4 22. axb4 axb4 23. Rf1 Rc5 24. Bd3 Ra5 25. b3 Rba8 26. Rxb4 Ra1+ 27. Kb2 R8a2+ 28. Kc3 Rxf1 29. Bxf1 Ra1 30. Bd3 d5 31. exd5 Bxd5 32. Be4 Bxe4 33. Rxe4 e6 34. Kb4 Rh1 35. c4 Rxh2 36. c5 f6 37. c6 Ra2 38. Rxe6 fxg5 39. fxg5 Kf7 40. Rd6 Rc2 41. Kb5 Ke7 42. Rd5 Rc3 43. b4 1-0

[Event "Canadian op 48th"]
[Site "Toronto"]
[Date "2011.07.11"]
[Round "3"]
[White "Yun, Chang"]
[Black "Chan, James"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1572"]
[BlackElo "2022"]
[PlyCount "98"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Bc5 5. c3 Bb6 6. Bg5 d6 7. Bb3 h6 8. Bh4 g5 9. Bg3 Qe7 10. Qe2 Bg4 11. Nbd2 a6 12. Nc4 Ba7 13. Ne3 Bd7 14. 0-0-0 0-0-0 15. Nd2 h5 16. h4 g4 17. Nd5 Nxd5 18. exd5 Na5 19. Bc2 b5 20. b4 Nb7 21. d4 f6 22. Kb2 Qf7 23. dxe5 dxe5 24. Bb3 Nd6 25. a4 Kb7 26. axb5 axb5 27. c4 Bd4+ 28. Kc1 bxc4 29. Nxc4 Nb5 30. Na5+ Kb8 31. d6 Qf8 32. dxc7+ Kxc7 33. Qe4 Rc8 34. Rxd4 Nxd4 35. Qxd4 Kd8+ 36. Kb2 exd4 37. Nb7+ Ke8 38. Bd6 Qh6 39. Re1+ Be6 40. Rxe6+ Kd7 41. Re7+ Kc6 42. Ba4+ Kb6 43. Bc5+ Rxc5 44. bxc5+ Ka6 45. c6 Qd2+ 46. Ka3 Qc1+ 47. Ka2 Kb6 48. Nd6 Ra8 49. Rb7+ Kc5 0-1

[Event "Canadian op 48th"]
[Site "Toronto"]
[Date "2011.07.10"]
[Round "2"]
[White "Bojkov, Dejan"]
[Black "Yun, Chang"]
[Result "1-0"]
[ECO "B50"]
[WhiteElo "2544"]
[BlackElo "1572"]
[PlyCount "61"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "EXT 2022"]
[Source "ChessBase"]
[SourceDate "2021.10.06"]
[SourceVersion "1"]
[SourceVersionDate "2021.10.06"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. c3 Nf6 4. Bd3 g6 5. Bc2 Bg7 6. h3 0-0 7. d4 cxd4 8. cxd4 Nc6 9. Nc3 e5 10. d5 Ne7 11. 0-0 Ne8 12. a4 h6 13. a5 f5 14. exf5 gxf5 15. Nd2 Ng6 16. Nc4 Qh4 17. Ra4 e4 18. f4 Qf6 19. Be3 Nh4 20. Qe1 Rf7 21. Kh2 Bf8 22. Qf2 Kh7 23. Rg1 a6 24. Rb4 Qd8 25. Kh1 Rg7 26. Bb6 Qe7 27. Bd4 Rg8 28. Nb6 Rb8 29. Rc4 Bd7 30. Nxd7 Qxd7 31. Qxh4 1-0

[Event "Canadian op 48th"]
[Site "Toronto"]
[Date "2011.07.09"]
[Round "1"]
[White "Yun, Chang"]
[Black "Drkulec, Vladimir"]
[Result "1/2-1/2"]
[ECO "C54"]
[BlackElo "2002"]
[PlyCount "130"]
[EventDate "2011.07.09"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CAN"]
[SourceTitle "CBM 143 Extra"]
[Source "ChessBase"]
[SourceDate "2011.08.29"]
[SourceVersion "1"]
[SourceVersionDate "2011.08.29"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. Nbd2 a6 7. Bb3 Be6 8. Nf1 d5 9. exd5 Nxd5 10. Ng3 0-0 11. 0-0 f6 12. Re1 Qd7 13. d4 exd4 14. cxd4 Bb4 15. Bd2 Bxd2 16. Qxd2 Bf7 17. a3 Rfe8 18. Bc2 Nce7 19. Nh4 Qg4 20. Nhf5 Nxf5 21. Bxf5 Qf4 22. Qxf4 Nxf4 23. Rac1 Nd5 24. Kf1 c6 25. Be4 g6 26. Bf3 f5 27. Bxd5 Bxd5 28. Ne2 Rad8 29. Nf4 Kf7 30. Re3 g5 31. Nd3 f4 32. Rxe8 Rxe8 33. Ne5+ Ke6 34. f3 Kd6 35. Kf2 b6 36. b4 Ra8 37. Ke2 a5 38. Kd2 axb4 39. axb4 Ra2+ 40. Rc2 Ra4 41. Nd3 Be6 42. Rb2 Kd5 43. Ne5 h6 44. Rc2 Rxb4 45. Nxc6 Rc4 46. Nd8 Rxd4+ 47. Ke2 Bd7 48. Rb2 b5 49. Nf7 Be6 50. Nxh6 b4 51. Ng4 Kc5 52. Ne5 Bc4+ 53. Nxc4 Kxc4 54. g3 b3 55. gxf4 gxf4 56. Rd2 Kc3 57. Rxd4 Kxd4 58. Kd2 b2 59. Kc2 Ke3 60. h4 Kxf3 61. h5 Kg2 62. h6 f3 63. h7 f2 64. h8Q b1Q+ 65. Kxb1 f1Q+ 1/2-1/2

[Event "CAN-ch U16 Girls"]
[Site "Richmond Hill"]
[Date "2011.07.06"]
[Round "1"]
[White "Yun, Chang"]
[Black "Ding, Jill"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "1572"]
[BlackElo "1277"]
[PlyCount "126"]
[EventDate "2011.07.06"]
[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. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be6 8. 0-0 Be7 9. Be3 Nbd7 10. f4 Qc7 11. f5 Bxb3 12. axb3 0-0 13. Bf3 b5 14. Rf2 Nb6 15. g4 Rfd8 16. g5 Ne8 17. Bg2 Bf8 18. Qh5 b4 19. Bxb6 Qxb6 20. Nd5 Qb7 21. Rf3 Nc7 22. Rh3 h6 23. gxh6 Nxd5 24. hxg7 Bxg7 25. exd5 f6 26. Kh1 Kf8 27. Rg1 Qf7 28. Qh7 Ke7 29. Be4 Rg8 30. Rhg3 Kf8 31. R1g2 a5 32. h4 Ra7 33. h5 Rh8 34. Qg6 Qxg6 35. Rxg6 Rxh5+ 36. Rh2 Rxh2+ 37. Kxh2 Kf7 38. Kg3 Ra8 39. Bf3 Rh8 40. Rg4 Rc8 41. Be4 Bh6 42. Rh4 Rg8+ 43. Kf2 Bc1 44. Rh7+ Rg7 45. Rxg7+ Kxg7 46. Ke2 Kf7 47. Kd3 Ke7 48. Kc4 Kd7 49. c3 Bxb2 50. cxb4 axb4 51. Kxb4 Kc7 52. Kb5 Bd4 53. Bd3 Kb7 54. Be2 e4 55. Bh5 e3 56. Kc4 Bb6 57. Kb5 Ba7 58. Be2 Bb6 59. b4 Ba7 60. Bd3 Bb6 61. Be2 Ba7 62. Bf1 Bb6 63. Kc4 Ba7 1/2-1/2

[Event "Montreal Ahuntsic op-A"]
[Site "Montreal"]
[Date "2011.04.03"]
[Round "1"]
[White "Yun, Chang"]
[Black "Pachah, Parwiz"]
[Result "1-0"]
[ECO "B38"]
[WhiteElo "1272"]
[BlackElo "1722"]
[PlyCount "54"]
[EventDate "2011.04.03"]
[EventType "swiss (rapid)"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. c4 Bg7 6. Be3 d6 7. Nc3 Nf6 8. f3 Bd7 9. Qd2 h5 10. Be2 a6 11. Rc1 Rc8 12. 0-0 h4 13. Nd5 Ne5 14. Nb3 Nxd5 15. exd5 0-0 16. h3 e6 17. f4 exd5 18. cxd5 Bxh3 19. fxe5 Rxc1 20. Rxc1 Bf5 21. exd6 h3 22. g3 Qxd6 23. Bf4 Qf6 24. Kh2 Re8 25. Bf3 Bc8 26. Nc5 b6 27. Ne4 Qxb2 1-0

[Event "Montreal Oasis op"]
[Site "Montreal"]
[Date "2011.02.27"]
[Round "5"]
[White "Lepine, Cedric"]
[Black "Yun, Chang"]
[Result "1/2-1/2"]
[ECO "A68"]
[WhiteElo "1957"]
[BlackElo "1848"]
[PlyCount "128"]
[EventDate "2011.02.25"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4 0-0 6. Nf3 c5 7. d5 e6 8. Be2 exd5 9. cxd5 Bg4 10. 0-0 Bxf3 11. Bxf3 Nbd7 12. Be3 Re8 13. Bf2 a6 14. a4 b6 15. Re1 Rb8 16. Bg3 Nf8 17. e5 N6d7 18. exd6 Qf6 19. Qd3 Qxd6 20. Qxa6 f5 21. Rxe8 Bd4+ 22. Kh1 Rxe8 23. Nb5 Qf6 24. Nxd4 Qxd4 25. Qb5 Nf6 26. Rd1 Qe3 27. Qxb6 Ne4 28. Bxe4 Rxe4 29. d6 Rc4 30. h3 Qxg3 31. d7 Rc2 32. Rg1 Nxd7 33. Qd6 Kg7 34. Qxd7+ Kh6 35. Qd6 Rf2 36. a5 Qxf4 37. Qxf4+ Rxf4 38. Ra1 Rb4 39. a6 Rb8 40. a7 Ra8 41. g3 Kg5 42. Kg2 Kf6 43. Kf3 Ke5 44. h4 Kd4 45. Ra3 c4 46. Kf4 h6 47. h5 gxh5 48. Kxf5 Kc5 49. Kg6 h4 50. gxh4 Kb4 51. Kxh6 c3 52. Rxc3 Rxa7 53. Rf3 Ra2 54. h5 Rxb2 55. Kg7 Rg2+ 56. Kh7 Kc5 57. h6 Kd6 58. Rf6+ Ke7 59. Rg6 Rf2 60. Ra6 Kf8 61. Ra5 Kf7 62. Rg5 Kf8 63. Kg6 Kg8 64. Rh5 Rg2+ 1/2-1/2

[Event "Montreal Oasis op"]
[Site "Montreal"]
[Date "2011.02.27"]
[Round "4"]
[White "Yun, Chang"]
[Black "Libersan, Thierry"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1848"]
[BlackElo "2113"]
[PlyCount "50"]
[EventDate "2011.02.25"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Be3 Be6 9. 0-0 0-0 10. f4 exf4 11. Bxf4 Nc6 12. Kh1 d5 13. exd5 Nxd5 14. Nxd5 Bxd5 15. Bf3 Bxf3 16. Qxf3 Qd7 17. c3 Rad8 18. Rad1 Qf5 19. Qe2 Rxd1 20. Qxd1 Qb5 21. Qf3 a5 22. Rd1 Rd8 23. Rxd8+ Bxd8 24. Qe3 Qf1+ 25. Qg1 Qxf4 0-1

[Event "Montreal Oasis op"]
[Site "Montreal"]
[Date "2011.02.26"]
[Round "2"]
[White "Giroux, Robert"]
[Black "Yun, Chang"]
[Result "0-1"]
[ECO "A24"]
[WhiteElo "1981"]
[BlackElo "1848"]
[PlyCount "102"]
[EventDate "2011.02.25"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. g3 g6 3. Nc3 e5 4. Bg2 Bg7 5. e4 0-0 6. Nge2 d6 7. d3 Nbd7 8. 0-0 a5 9. Rb1 Nc5 10. b3 Be6 11. d4 exd4 12. Nxd4 Bd7 13. h3 Re8 14. Re1 Ne6 15. Be3 Nxd4 16. Bxd4 Bc6 17. Qc2 Nd7 18. Bxg7 Kxg7 19. Rbd1 Qf6 20. f4 Nc5 21. Nd5 Bxd5 22. cxd5 h6 23. e5 Qd8 24. f5 gxf5 25. Qxf5 Qg5 26. Qf2 Rxe5 27. Rxe5 Qxe5 28. Rf1 f6 29. Re1 Qg5 30. Re7+ Kg8 31. h4 Qg6 32. Qe3 h5 33. Kh2 Kf8 34. Rxc7 Re8 35. Qf4 f5 36. Qd4 Kg8 37. Bf3 Ne4 38. Bxe4 fxe4 39. Rc3 Qg7 40. Qxg7+ Kxg7 41. Kg2 Kf6 42. Kf2 Ke5 43. Ke3 Rg8 44. Kf2 Kxd5 45. Rc7 Kd4 46. Rc4+ Kd3 47. Rc1 e3+ 48. Ke1 e2 49. Rc4 Rxg3 50. Kf2 Re3 51. Ke1 Rf3 0-1

[Event "Montreal Oasis op"]
[Site "Montreal"]
[Date "2011.02.26"]
[Round "3"]
[White "Roy, Myriam"]
[Black "Yun, Chang"]
[Result "1/2-1/2"]
[ECO "B73"]
[WhiteElo "2070"]
[BlackElo "1848"]
[PlyCount "26"]
[EventDate "2011.02.25"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be2 Bg7 7. Be3 0-0 8. 0-0 Nc6 9. f4 Qb6 10. Na4 Qa5 11. Nc3 Qb6 12. Na4 Qa5 13. Nc3 Qb6 1/2-1/2

[Event "Montreal Oasis op"]
[Site "Montreal"]
[Date "2011.02.25"]
[Round "1"]
[White "Yun, Chang"]
[Black "Gagnon, Serge"]
[Result "1/2-1/2"]
[ECO "B09"]
[WhiteElo "1848"]
[BlackElo "2061"]
[PlyCount "139"]
[EventDate "2011.02.25"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 g6 4. f4 Bg7 5. Nf3 0-0 6. Bc4 c6 7. e5 dxe5 8. fxe5 Nd5 9. 0-0 Na6 10. Nxd5 cxd5 11. Bxa6 bxa6 12. Qe1 Bf5 13. c3 Rb8 14. Nd2 Bc2 15. Nf3 h6 16. Qe2 Ba4 17. Re1 Rb6 18. Qf2 f5 19. Qh4 g5 20. Qf2 Qe8 21. Nd2 Qc8 22. Qf3 e6 23. b3 Bb5 24. Ba3 Rf7 25. Bc5 Rbb7 26. b4 Ba4 27. Nb3 Rbc7 28. Rec1 Bf8 29. Bxf8 Rxf8 30. Nc5 Be8 31. a4 h5 32. Qd3 a5 33. bxa5 Rff7 34. Rcb1 Kg7 35. a6 Bc6 36. Rb4 Rfe7 37. Rab1 Qe8 38. Rb7 Qf7 39. Rb8 Kh7 40. R8b4 Kg7 41. R1b2 h4 42. h3 g4 43. hxg4 fxg4 44. Rf2 Qh5 45. Rf6 Bd7 46. Rb2 g3 47. Rb1 Qg4 48. Rbf1 Be8 49. Qd2 Bf7 50. Rh6 Bg6 51. Rf6 Bf5 52. Kf1 Re8 53. Qe2 Qf4+ 54. Qf3 Qc1+ 55. Ke2 Qc2+ 56. Ke1 Rxc5 57. dxc5 Rb8 58. Rf7+ Kxh6 59. Qf4+ Kg6 60. Rf6+ Kg7 61. Qh6+ Kg8 62. Qg5+ Kh8 63. Rh6+ Bh7 64. Qf6+ Kg8 65. Qxe6+ Kg7 66. Qf6+ Kg8 67. Qg5+ Kh8 68. Qf6+ Kg8 69. Qg5+ Kh8 70. Qf6+ 1/2-1/2

[Event "Quebec-ch U20"]
[Site "Montreal"]
[Date "2011.02.13"]
[Round "4"]
[White "Yun, Chang"]
[Black "Chiku Ratte, Olivier Kenta"]
[Result "0-1"]
[ECO "B76"]
[WhiteElo "1789"]
[BlackElo "2024"]
[PlyCount "52"]
[EventDate "2011.02.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. 0-0-0 d5 10. Kb1 e5 11. Nxc6 bxc6 12. exd5 cxd5 13. Nxd5 Nxd5 14. Qxd5 Qc7 15. Qxa8 Bf5 16. Qd5 Qxc2+ 17. Ka1 Be6 18. Qd2 Qa4 19. Bc4 Bxc4 20. a3 Qb3 21. Kb1 Qa2+ 22. Kc1 Bb3 23. Qc3 Qa1+ 24. Kd2 Rd8+ 25. Ke2 Bxd1+ 26. Kf2 e4 0-1

[Event "Quebec-ch U20"]
[Site "Montreal"]
[Date "2011.02.12"]
[Round "2"]
[White "Sun, Benjamin Weiwu"]
[Black "Yun, Chang"]
[Result "0-1"]
[ECO "B78"]
[WhiteElo "1437"]
[BlackElo "1789"]
[PlyCount "62"]
[EventDate "2011.02.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. Bc4 Bd7 10. 0-0-0 Rc8 11. Bb3 Nxd4 12. Bxd4 b5 13. g4 b4 14. Nd5 Nxd5 15. Bxd5 Bxd4 16. Qxd4 Rc5 17. Qxb4 Qc7 18. Qd2 Rc8 19. Bb3 a5 20. a4 Rb8 21. Kb1 Rb4 22. Qf4 Be6 23. Bxe6 fxe6 24. Qd2 Qc6 25. b3 Qxa4 26. h4 Qa3 27. Rc1 a4 28. Qxb4 Qxb4 29. Kb2 axb3 30. cxb3 Ra5 31. Kb1 Qxb3# 0-1

[Event "Quebec-ch U20"]
[Site "Montreal"]
[Date "2011.02.12"]
[Round "3"]
[White "Trottier, Emile"]
[Black "Yun, Chang"]
[Result "0-1"]
[ECO "D27"]
[WhiteElo "1973"]
[BlackElo "1789"]
[PlyCount "148"]
[EventDate "2011.02.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. c3 d5 3. exd5 Qxd5 4. d4 cxd4 5. cxd4 Nc6 6. Nf3 e6 7. Be3 Nf6 8. Bd3 Be7 9. 0-0 0-0 10. Nc3 Qd8 11. a3 a6 12. Bc2 b5 13. Qd3 Bb7 14. Bg5 g6 15. Bh6 Re8 16. Rad1 Bf8 17. Bxf8 Rxf8 18. Qe3 Ne7 19. Ne5 Ned5 20. Nxd5 Qxd5 21. Qh3 Nh5 22. f4 Nf6 23. Rf3 Qd6 24. Rg3 Be4 25. Bxe4 Nxe4 26. Rgd3 Rac8 27. Qh6 Rfe8 28. Rh3 Nf6 29. g4 Qf8 30. Qh4 Qg7 31. g5 Nd5 32. Ng4 Rc2 33. Nf6+ Nxf6 34. gxf6 Qh8 35. Rc3 Rc8 36. Rxc2 Rxc2 37. d5 exd5 38. Rxd5 Rc8 39. Rd6 h5 40. Qh3 Rc1+ 41. Kf2 Qh6 42. Qe3 Rc8 43. Rxa6 h4 44. Qe4 h3 45. Ra8 Qh4+ 46. Kf3 Rxa8 47. Qxa8+ Kh7 48. Qe8 Qxf6 49. Qxb5 Qd4 50. Qb3 Qd7 51. Kg3 Qf5 52. Qf3 Qe6 53. b4 Qd7 54. Qe2 Qa7 55. Qd3 f5 56. Kxh3 Qg7 57. Qg3 Qd7 58. Qe3 Qg7 59. Kg3 Qd7 60. h3 Kh6 61. Qc3 Kh7 62. Qc2 Qa7 63. Qc3 Qg1+ 64. Kh4 Qf2+ 65. Kg5 Qa7 66. Qc5 Qg7 67. Qd6 Qh6+ 68. Kf6 g5+ 69. Ke5 Qxd6+ 70. Kxd6 gxf4 71. b5 f3 72. b6 f2 73. b7 f1Q 74. b8Q Qf4+ 0-1

[Event "Quebec-ch U20"]
[Site "Montreal"]
[Date "2011.02.11"]
[Round "1"]
[White "Yun, Chang"]
[Black "Kraiouchkine, Nikita"]
[Result "0-1"]
[ECO "C55"]
[WhiteElo "1789"]
[BlackElo "2252"]
[PlyCount "43"]
[EventDate "2011.02.11"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 Be7 5. 0-0 d6 6. c3 0-0 7. Re1 Na5 8. Bb3 Nxb3 9. axb3 c5 10. c4 h6 11. Nc3 Bg4 12. h3 Bh5 13. g4 Nxg4 14. hxg4 Bxg4 15. Nd5 f5 16. Nxe7+ Qxe7 17. Re3 fxe4 18. dxe4 Kh8 19. Qd3 Qf6 20. Nh2 Qxf2+ 21. Kh1 Bh3 22. Re2 0-1

[Event "Montreal Mercredi 01"]
[Site "Montreal"]
[Date "2011.02.08"]
[Round "5"]
[White "Yun, Chang"]
[Black "Brassard, Sylvain"]
[Result "1-0"]
[ECO "B04"]
[WhiteElo "1779"]
[BlackElo "1798"]
[PlyCount "69"]
[EventDate "2011.01.12"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. exd6 cxd6 6. Nc3 g6 7. Nf3 Bg7 8. Be3 Bg4 9. h3 Bxf3 10. Qxf3 Nc6 11. Rd1 d5 12. c5 Nc4 13. Bxc4 dxc4 14. 0-0 0-0 15. Qe2 Nxd4 16. Bxd4 Bxd4 17. Qxc4 e5 18. Nb5 Rc8 19. b4 Qh4 20. Nxd4 Rfd8 21. g3 Rxd4 22. Rxd4 Qxd4 23. Qxd4 exd4 24. Rd1 Rd8 25. f4 f5 26. Kf2 Kf7 27. Ke2 Ke6 28. Kd3 Kd5 29. Re1 Rd7 30. a4 a5 31. Re5+ Kc6 32. b5+ Kc7 33. Re8 Rd5 34. Kc4 Rd7 35. b6+ 1-0

[Event "Montreal Mercredi 01"]
[Site "Montreal"]
[Date "2011.02.02"]
[Round "4"]
[White "Nardone, Raul"]
[Black "Yun, Chang"]
[Result "1-0"]
[ECO "B71"]
[WhiteElo "1803"]
[BlackElo "1779"]
[PlyCount "63"]
[EventDate "2011.01.12"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. f4 Nc6 7. Be3 Qb6 8. Qd2 Ng4 9. Bg1 Bg7 10. Ne6 Qxb2 11. Nxg7+ Kf8 12. Rb1 Qa3 13. Nh5 gxh5 14. Rb3 Qa5 15. Rb5 Qc7 16. Rxh5 Nf6 17. Nd5 Nxd5 18. exd5 Na5 19. Bd4 f6 20. Bd3 Nc4 21. Qf2 Bg4 22. Rh4 h5 23. h3 Qa5+ 24. c3 Qa3 25. 0-0 Nb2 26. Bb1 Bd7 27. g4 Kf7 28. g5 Rag8 29. g6+ Ke8 30. f5 Nc4 31. Qe2 Ne5 32. Rxh5 1-0

[Event "Montreal Mercredi 01"]
[Site "Montreal"]
[Date "2011.01.26"]
[Round "3"]
[White "Yun, Chang"]
[Black "Deshetres, Michel"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1779"]
[BlackElo "1763"]
[PlyCount "61"]
[EventDate "2011.01.12"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Be7 7. 0-0 Nc6 8. c4 Nb4 9. cxd5 Nxd3 10. Qxd3 Qxd5 11. Re1 Bf5 12. Nc3 Nxc3 13. Qxc3 c6 14. Re5 Qd7 15. Qe3 Be6 16. d5 cxd5 17. Nd4 0-0 18. Bd2 Bc5 19. Bc3 Bxd4 20. Bxd4 b6 21. Re1 Rfe8 22. f4 Kf8 23. f5 Bxf5 24. Rxe8+ Rxe8 25. Qxe8+ Qxe8 26. Bxg7+ Kxg7 27. Rxe8 d4 28. Kf2 d3 29. Ke3 Kf6 30. Ra8 a5 31. Ra6 1-0

[Event "Montreal Mercredi 01"]
[Site "Montreal"]
[Date "2011.01.19"]
[Round "2"]
[White "Pilotte, Benoit"]
[Black "Yun, Chang"]
[Result "1-0"]
[ECO "B31"]
[WhiteElo "1759"]
[BlackElo "1779"]
[PlyCount "87"]
[EventDate "2011.01.12"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. Bb5 Nd4 4. Bc4 g6 5. Nf3 Bg7 6. 0-0 e6 7. d3 Ne7 8. Re1 d6 9. Bf4 0-0 10. Nxd4 cxd4 11. Nb5 Be5 12. Bh6 Re8 13. f4 Bg7 14. Bxg7 Kxg7 15. Qf3 Qb6 16. a4 a6 17. a5 Qc5 18. b4 Qc6 19. Nxd4 Qc7 20. Kh1 Nc6 21. Nxc6 bxc6 22. d4 Bb7 23. f5 exf5 24. exf5 c5 25. f6+ Kh8 26. Qf4 cxd4 27. Qh6 Rg8 28. Ra3 Qc6 29. Bf1 Bc8 30. Re7 Qd5 31. Be2 Bf5 32. Kg1 d3 33. Bxd3 Qd4+ 34. Qe3 Qxf6 35. Bxf5 gxf5 36. Qc3 Qxc3 37. Rxc3 Rac8 38. Rcc7 Rxc7 39. Rxc7 Rb8 40. c3 Re8 41. Kf2 Re6 42. Rc6 d5 43. Rxe6 fxe6 44. b5 1-0

[Event "Montreal Mercredi 01"]
[Site "Montreal"]
[Date "2011.01.12"]
[Round "1"]
[White "Pregent, Daniel"]
[Black "Yun, Chang"]
[Result "1/2-1/2"]
[ECO "E90"]
[WhiteElo "1795"]
[BlackElo "1779"]
[PlyCount "71"]
[EventDate "2011.01.12"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. e4 d6 6. h3 e5 7. d5 Na6 8. Bg5 h6 9. Be3 Nc5 10. Nd2 a5 11. g4 Nh7 12. Rg1 b6 13. Qf3 Kh8 14. Qg3 Qe7 15. g5 Nxg5 16. h4 Nh7 17. 0-0-0 Nf6 18. Be2 Bd7 19. h5 g5 20. Bxg5 hxg5 21. Qxg5 Rg8 22. h6 Bf8 23. Qh4 Rxg1 24. Rxg1 Nfxe4 25. Qxe7 Bxe7 26. Ndxe4 Nxe4 27. Nxe4 Rg8 28. Rh1 Bg4 29. Kd2 Bg5+ 30. Kd3 Bf5 31. Bh5 Rf8 32. f3 Kh7 33. Bg4 Bxe4+ 34. fxe4 Bxh6 35. Bf5+ Kg7 36. b3 1/2-1/2

[Event "Montreal Pere Noel op"]
[Site "Montreal"]
[Date "2010.12.30"]
[Round "5"]
[White "Yun, Chang"]
[Black "Pretell Diaz, Carol"]
[Result "1-0"]
[ECO "B18"]
[WhiteElo "1776"]
[BlackElo "1808"]
[PlyCount "41"]
[EventDate "2010.12.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h5 7. Be2 Nf6 8. Bg5 Ne4 9. Nxe4 Bxe4 10. Bf3 Qd5 11. Qe2 Bxf3 12. Nxf3 e6 13. c4 Bb4+ 14. Bd2 Bxd2+ 15. Nxd2 Qxd4 16. 0-0-0 Nd7 17. Ne4 Qb6 18. Nd6+ Ke7 19. Nxf7 Raf8 20. Rhe1 Rxf7 21. Qxe6+ 1-0

[Event "Montreal Pere Noel op"]
[Site "Montreal"]
[Date "2010.12.29"]
[Round "4"]
[White "Vassileva, Svetla"]
[Black "Yun, Chang"]
[Result "1-0"]
[ECO "B21"]
[WhiteElo "1732"]
[BlackElo "1776"]
[PlyCount "101"]
[EventDate "2010.12.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. d4 cxd4 3. c3 d3 4. Nf3 d6 5. Bxd3 Nf6 6. 0-0 g6 7. Bg5 Bg7 8. Nbd2 0-0 9. Qe2 Nc6 10. Rad1 h6 11. Bxf6 Bxf6 12. Bc4 Qc7 13. Qe3 Bg7 14. Nh4 Ne5 15. Bb3 b5 16. h3 Nc4 17. Nxc4 bxc4 18. Bc2 Rb8 19. Rb1 Bd7 20. Qg3 Rb6 21. b3 cxb3 22. Bxb3 Qxc3 23. Qxc3 Bxc3 24. Nxg6 Bf6 25. Nxf8 Kxf8 26. Rfc1 Rc6 27. Rxc6 Bxc6 28. Bd5 Bxd5 29. exd5 Bd4 30. Rb8+ Kg7 31. Rb7 Kf6 32. Kf1 e6 33. dxe6 fxe6 34. Rh7 Kg6 35. Rd7 Bc5 36. Ke2 h5 37. f4 e5 38. fxe5 dxe5 39. Kf3 Bd4 40. a4 h4 41. g3 hxg3 42. Kxg3 Kh5 43. Kf3 Kg5 44. Ke4 Kh4 45. Rxd4 exd4 46. Kxd4 Kxh3 47. Kc5 Kg4 48. Kb5 Kf5 49. Ka6 Ke6 50. Kxa7 Kd6 51. Kb7 1-0

[Event "Montreal Pere Noel op"]
[Site "Montreal"]
[Date "2010.12.28"]
[Round "3"]
[White "Yun, Chang"]
[Black "Bolduc, Steve"]
[Result "0-1"]
[ECO "B74"]
[WhiteElo "1776"]
[BlackElo "2288"]
[PlyCount "130"]
[EventDate "2010.12.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 g6 3. d4 cxd4 4. Nxd4 Nc6 5. Be3 Nf6 6. Nc3 Bg7 7. Be2 0-0 8. Nb3 d6 9. 0-0 Na5 10. e5 Ne8 11. Nxa5 Qxa5 12. Nd5 dxe5 13. b4 Qd8 14. Bc5 Nf6 15. Nxe7+ Kh8 16. Nxc8 Qxd1 17. Raxd1 Raxc8 18. c4 Ne4 19. Rd7 Nc3 20. Bf3 e4 21. Bg4 f5 22. Bd1 b6 23. Rxg7 bxc5 24. Rb7 cxb4 25. Rxb4 a5 26. Rb7 Rxc4 27. Bb3 Rc5 28. Rd7 Rfc8 29. a4 R8c7 30. Rxc7 Rxc7 31. Ra1 Kg7 32. Kf1 Kf6 33. Rc1 Ke5 34. Ke1 f4 35. Kd2 Kd4 36. Re1 Rb7 37. Bc2 Rb2 38. h4 h6 39. g3 g5 40. hxg5 hxg5 41. gxf4 gxf4 42. Kc1 Rb6 43. Kd2 Rh6 44. Rg1 Rh2 45. Ke1 e3 46. fxe3+ Kxe3 47. Bd1 f3 48. Bxf3 Kxf3 49. Rg5 Ne4 50. Rf5+ Ke3 51. Kd1 Nc3+ 52. Kc1 Kd3 53. Rf3+ Kc4 54. Rf4+ Kd5 55. Rf5+ Kd4 56. Rf4+ Ne4 57. Rf5 Nc5 58. Rf4+ Kc3 59. Rf3+ Nd3+ 60. Kb1 Rh4 61. Rf5 Rb4+ 62. Ka1 Kc2 63. Rxa5 Rb1+ 64. Ka2 Nc1+ 65. Ka3 Rb3# 0-1

[Event "Montreal Pere Noel op"]
[Site "Montreal"]
[Date "2010.12.26"]
[Round "1"]
[White "Yun, Chang"]
[Black "Plante, Michel"]
[Result "1/2-1/2"]
[ECO "C41"]
[WhiteElo "1776"]
[BlackElo "2142"]
[PlyCount "112"]
[EventDate "2010.12.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Nc3 Nbd7 4. Nf3 e5 5. Bc4 Be7 6. Ng5 0-0 7. Bxf7+ Rxf7 8. Ne6 Qe8 9. Nxc7 Qd8 10. Nxa8 b6 11. 0-0 Ba6 12. Re1 Qxa8 13. d5 Qf8 14. Be3 g6 15. a4 Nh5 16. Nb5 Qb8 17. c4 Bc8 18. a5 a6 19. Nc3 bxa5 20. Qc2 Bd8 21. Na4 Qc7 22. c5 Bh4 23. Rec1 dxc5 24. g3 Be7 25. Bxc5 Nxc5 26. Nxc5 Qb6 27. Na4 Qd4 28. Qxc8+ Kg7 29. Qc2 Nf6 30. Rd1 Qxe4 31. Qxe4 Nxe4 32. Re1 Nxf2 33. Rf1 Ng4 34. Rxf7+ Kxf7 35. Nc3 Bb4 36. Ne4 Ne3 37. d6 Ke6 38. Kf2 Ng4+ 39. Kg2 h5 40. h3 Ne3+ 41. Kf3 Nc2 42. Rc1 Nd4+ 43. Kg2 Bxd6 44. Rc8 Be7 45. Ra8 Kf5 46. Nd2 e4 47. Rxa6 Bb4 48. Nc4 Nc2 49. Ra8 Ne1+ 50. Kf1 Nd3 51. Ne3+ Ke5 52. Re8+ Kd4 53. Nc2+ Kd5 54. Ne3+ Kd4 55. Nc2+ Kd5 56. Ne3+ Kd4 1/2-1/2

[Event "Quebec-ch U14"]
[Site "Montreal"]
[Date "2010.11.28"]
[Round "5"]
[White "Yu, Kexin"]
[Black "Yun, Chang"]
[Result "1/2-1/2"]
[ECO "E61"]
[WhiteElo "1614"]
[BlackElo "1746"]
[PlyCount "37"]
[EventDate "2010.11.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. Nf3 Bg7 4. d4 0-0 5. e3 d6 6. Be2 Nbd7 7. 0-0 e5 8. b3 c6 9. dxe5 dxe5 10. Bb2 a5 11. Qc2 Qc7 12. Rad1 Re8 13. Ba3 Bf8 14. Bxf8 Rxf8 15. Rd2 Nc5 16. Rfd1 Bf5 17. Qb2 Nfe4 18. Nxe4 Nxe4 19. Rc2 1/2-1/2

[Event "Quebec-ch U14"]
[Site "Montreal"]
[Date "2010.11.28"]
[Round "4"]
[White "Yun, Chang"]
[Black "Guo, Forest"]
[Result "1/2-1/2"]
[ECO "B85"]
[WhiteElo "1746"]
[BlackElo "1863"]
[PlyCount "64"]
[EventDate "2010.11.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e6 7. Be3 Be7 8. 0-0 0-0 9. f4 Nc6 10. Bf3 Qc7 11. a4 Bd7 12. Nb3 b6 13. g4 Bc8 14. g5 Nd7 15. Bg2 Re8 16. Qh5 Bf8 17. Rf3 g6 18. Qh4 Bg7 19. f5 Bb7 20. Rh3 Nf8 21. f6 Bh8 22. Nd1 e5 23. Bf3 Bc8 24. Bg4 h5 25. Bxc8 Raxc8 26. Qf2 Nb4 27. Nc3 Nd7 28. Rd1 Re6 29. Rf3 Qb7 30. Qd2 a5 31. h4 Bxf6 32. gxf6 Nxf6 1/2-1/2

[Event "Quebec-ch U14"]
[Site "Montreal"]
[Date "2010.11.27"]
[Round "3"]
[White "Luo, Zhao Yang"]
[Black "Yun, Chang"]
[Result "0-1"]
[ECO "E94"]
[WhiteElo "1963"]
[BlackElo "1746"]
[PlyCount "82"]
[EventDate "2010.11.26"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. c4 g6 3. d4 Bg7 4. Nc3 0-0 5. e4 d6 6. Be2 e5 7. 0-0 Nbd7 8. d5 Nc5 9. Bg5 a5 10. Nd2 h6 11. Bxf6 Bxf6 12. Nb3 b6 13. Nxc5 bxc5 14. a3 Bd7 15. Rb1 a4 16. Bg4 Be8 17. Re1 Bg5 18. Qc2 h5 19. Bh3 Bh6 20. Red1 Kg7 21. g3 g5 22. Bf5 Bd7 23. f3 g4 24. fxg4 Be3+ 25. Kg2 hxg4 26. Qe2 Bxf5 27. Qxe3 Bd7 28. Rf1 Rh8 29. Rf2 f6 30. Rbf1 Rh6 31. Qe2 Qe7 32. Nd1 Rah8 33. Kg1 Kf8 34. Ne3 Qg7 35. Nd1 Ke7 36. Rg2 Qg6 37. Nc3 f5 38. Qc2 f4 39. gxf4 g3 40. Rxg3 Qxg3+ 41. hxg3 Rh1+ 0-1

[Event "Montreal Mercredi 10"]
[Site "Montreal"]
[Date "2010.11.03"]
[Round "5"]
[White "Deshetres, Michel"]
[Black "Yun, Chang"]
[Result "0-1"]
[ECO "B78"]
[WhiteElo "1803"]
[BlackElo "1780"]
[PlyCount "80"]
[EventDate "2010.10.06"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. Bc4 Bd7 10. 0-0-0 Rc8 11. Bb3 Nxd4 12. Bxd4 b5 13. Nd5 Nxd5 14. exd5 Bxd4 15. Qxd4 a5 16. a3 Rc5 17. g4 Qc7 18. c3 b4 19. axb4 axb4 20. Kd2 bxc3+ 21. bxc3 Rc8 22. Rc1 e5 23. Qe3 Rb8 24. c4 Qa5+ 25. Ke2 Ba4 26. Bxa4 Qxa4 27. Qc3 Rb4 28. Ra1 Rbxc4 29. Rxa4 Rxc3 30. Rb1 Rc2+ 31. Kd1 Rxh2 32. Rb8+ Kg7 33. Raa8 Rxd5+ 34. Kc1 g5 35. Rg8+ Kf6 36. Ra7 Rdd2 37. Rf8 Rdg2 38. Rfxf7+ Ke6 39. Rfe7+ Kd5 40. Ra5+ Kc6 0-1

[Event "Montreal Mercredi 10"]
[Site "Montreal"]
[Date "2010.10.27"]
[Round "4"]
[White "Yun, Chang"]
[Black "Gates, Claude Eric"]
[Result "1-0"]
[ECO "C42"]
[WhiteElo "1780"]
[BlackElo "1781"]
[PlyCount "107"]
[EventDate "2010.10.06"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nf6 3. Nxe5 d6 4. Nf3 Nxe4 5. d4 d5 6. Bd3 Bd6 7. c4 c6 8. 0-0 0-0 9. Nc3 Nxc3 10. bxc3 dxc4 11. Bxc4 Bg4 12. Bd3 Nd7 13. Bc2 Qf6 14. Qd3 Qg6 15. Qxg6 hxg6 16. Ng5 Nb6 17. Ne4 Be7 18. Bf4 Rad8 19. Rab1 Nd5 20. Rxb7 Rfe8 21. Bd2 Kf8 22. Bb3 a6 23. c4 Bf5 24. Ba5 Rb8 25. Rxb8 Rxb8 26. Ng3 Nf4 27. Nxf5 gxf5 28. Rd1 c5 29. Kf1 Ne6 30. d5 Nd4 31. Bc7 Rb7 32. d6 Nxb3 33. dxe7+ Ke8 34. Bd6 Na5 35. Bxc5 Nc6 36. Rd3 Nxe7 37. Re3 Kd8 38. Bxe7+ Rxe7 39. Rxe7 Kxe7 40. Ke2 Kd6 41. f4 Kc6 42. h3 f6 43. h4 Kb6 44. Kd3 Kc6 45. h5 a5 46. Kd4 Kd6 47. a4 Ke6 48. Kc5 Kd7 49. Kb6 Kc8 50. Kxa5 Kb8 51. Kb6 Ka8 52. c5 Kb8 53. c6 Ka8 54. Kc7 1-0

[Event "Montreal Mercredi 10"]
[Site "Montreal"]
[Date "2010.10.20"]
[Round "3"]
[White "Luo, Zhao Yang"]
[Black "Yun, Chang"]
[Result "1-0"]
[ECO "E99"]
[WhiteElo "1829"]
[BlackElo "1780"]
[PlyCount "59"]
[EventDate "2010.10.06"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 0-0 6. Be2 e5 7. 0-0 Nc6 8. d5 Ne7 9. Ne1 Nd7 10. Be3 f5 11. f3 f4 12. Bf2 g5 13. Rc1 a6 14. b4 b6 15. Nd3 Rf6 16. c5 Rh6 17. cxd6 cxd6 18. a4 Nf6 19. g4 fxg3 20. Bxg3 Nh5 21. Rf2 Qe8 22. Qd2 Nxg3 23. hxg3 g4 24. fxg4 Rg6 25. g5 Bh6 26. gxh6 Rxg3+ 27. Kf1 Qg6 28. Ke1 Bg4 29. Kd1 Rc8 30. Ne1 1-0

[Event "Montreal Mercredi 10"]
[Site "Montreal"]
[Date "2010.10.13"]
[Round "2"]
[White "Yun, Chang"]
[Black "Nardone, Raul"]
[Result "0-1"]
[ECO "B28"]
[WhiteElo "1780"]
[BlackElo "1784"]
[PlyCount "62"]
[EventDate "2010.10.06"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. c4 Nc6 6. a3 Qb6 7. Nxc6 dxc6 8. Be2 e5 9. 0-0 Be6 10. Qc2 Bc5 11. Nc3 Bd4 12. Na4 Qc7 13. c5 Nf6 14. Nb6 Rb8 15. Be3 Bxe3 16. fxe3 0-0 17. b4 Nd7 18. Nc4 Bxc4 19. Bxc4 Nf6 20. Rf5 Rbd8 21. Raf1 Kh8 22. Qf2 Qe7 23. Qh4 Rd7 24. g4 Nxe4 25. g5 Nd2 26. R1f2 e4 27. Be2 Rd5 28. Bg4 Nf3+ 29. Bxf3 Rxf5 30. Bxe4 Rxg5+ 31. Kf1 Rg1+ 0-1

[Event "Montreal Mercredi 10"]
[Site "Montreal"]
[Date "2010.10.06"]
[Round "1"]
[White "Gauthier, Luc"]
[Black "Yun, Chang"]
[Result "1-0"]
[ECO "B23"]
[WhiteElo "1835"]
[BlackElo "1780"]
[PlyCount "75"]
[EventDate "2010.10.06"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. f4 g6 4. Nf3 Bg7 5. Bb5 a6 6. Bxc6 bxc6 7. d3 d5 8. 0-0 Nf6 9. Qe1 0-0 10. e5 Nd7 11. e6 Nb6 12. exf7+ Rxf7 13. Qh4 Bf6 14. Qf2 c4 15. Be3 Rb8 16. d4 Bf5 17. Ne5 Bxe5 18. fxe5 Qf8 19. Qd2 h5 20. Bh6 Qe8 21. Rae1 e6 22. Re2 c5 23. dxc5 Na4 24. Nxa4 Qxa4 25. Qg5 Kh7 26. h3 Qe8 27. Ref2 Rbb7 28. b3 Be4 29. g4 Rxf2 30. Rxf2 Rf7 31. Rf6 Rxf6 32. exf6 hxg4 33. hxg4 Kg8 34. Qe5 cxb3 35. cxb3 Qc6 36. Qb8+ Kh7 37. Qf8 Qc7 38. Qe7+ 1-0

[Event "Montreal Mercredi 09"]
[Site "Montreal"]
[Date "2010.09.29"]
[Round "5"]
[White "Bergeron, Rene"]
[Black "Yun, Chang"]
[Result "0-1"]
[ECO "E62"]
[WhiteElo "1646"]
[BlackElo "1735"]
[PlyCount "72"]
[EventDate "2010.09.01"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 d6 5. d4 0-0 6. Nf3 Nbd7 7. 0-0 e5 8. dxe5 Nxe5 9. Nxe5 dxe5 10. Qb3 c6 11. Bg5 h6 12. Rad1 Qe7 13. Bxf6 Bxf6 14. Ne4 Bg7 15. c5 Be6 16. Qa3 Rfd8 17. Nd6 Qc7 18. b3 Bf8 19. Ne4 f5 20. Nd6 b6 21. b4 a5 22. Qe3 e4 23. a3 axb4 24. axb4 bxc5 25. bxc5 Kh7 26. Rb1 Bxd6 27. cxd6 Rxd6 28. Rb2 Rad8 29. Qf4 R6d7 30. Qc1 c5 31. f3 exf3 32. exf3 Bd5 33. Qc3 c4 34. Rc1 Qc5+ 35. Kh1 Bc6 36. h3 Rd1+ 0-1

[Event "Montreal Mercredi 09"]
[Site "Montreal"]
[Date "2010.09.21"]
[Round "4"]
[White "Yun, Chang"]
[Black "Baran, Marius"]
[Result "1-0"]
[ECO "B76"]
[WhiteElo "1735"]
[BlackElo "1646"]
[PlyCount "125"]
[EventDate "2010.09.01"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 g6 6. Be3 Bg7 7. f3 Nc6 8. Qd2 0-0 9. 0-0-0 Bd7 10. g4 a6 11. h4 h5 12. Nd5 e6 13. Nxc6 Bxc6 14. Bb6 Qd7 15. Nxf6+ Bxf6 16. gxh5 Rac8 17. hxg6 fxg6 18. h5 g5 19. Be3 Qg7 20. c3 Ba4 21. h6 Bxc3 22. hxg7 Bxd2+ 23. Kxd2 Rc2+ 24. Ke1 Rxf3 25. Rh3 g4 26. Rxf3 gxf3 27. Rd2 Rc1+ 28. Kf2 Bc6 29. Bd3 Kxg7 30. Kxf3 Rh1 31. Rg2+ Kf7 32. Ke2 Rh5 33. Bd4 d5 34. exd5 Rxd5 35. Rf2+ Ke7 36. Bf6+ Kd6 37. Be4 Bb5+ 38. Ke3 Rd1 39. Rd2+ Rxd2 40. Kxd2 Kc7 41. Be5+ Kb6 42. Kc3 Bf1 43. b4 Bb5 44. Kd4 Bd7 45. Bd6 Kb5 46. Bxb7 a5 47. bxa5 Kxa5 48. Bf3 Kb6 49. Bd1 Bc6 50. a4 Ka5 51. Bc7+ Ka6 52. a5 Bd5 53. Ke5 Kb7 54. Bb6 Ka8 55. Ba4 Kb7 56. Bb5 Bb3 57. Kd6 Bd5 58. Bd4 Ka8 59. Kc7 Be4 60. Bd7 Bd5 61. Bc8 e5 62. Be3 Bf3 63. a6 1-0

[Event "Montreal Mercredi 09"]
[Site "Montreal"]
[Date "2010.09.15"]
[Round "3"]
[White "Cote, Philippe"]
[Black "Yun, Chang"]
[Result "0-1"]
[ECO "C80"]
[WhiteElo "1677"]
[BlackElo "1735"]
[PlyCount "86"]
[EventDate "2010.09.01"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. 0-0 Nxe4 6. d4 b5 7. Bb3 d5 8. Re1 Be6 9. c3 exd4 10. cxd4 Be7 11. Bc2 Bf5 12. Nbd2 Nxd2 13. Bxd2 Bg4 14. Be3 0-0 15. Bxh7+ Kxh7 16. Qc2+ g6 17. Qxc6 Bxf3 18. gxf3 Bd6 19. Kf1 Bxh2 20. Ke2 Kg7 21. Rh1 Rh8 22. f4 Rh4 23. f5 Rh8 24. fxg6 fxg6 25. Qe6 Qd6 26. Qg4 Rae8 27. Kd3 Qe6 28. Qxe6 Rxe6 29. Rac1 c6 30. Rc2 Bb8 31. Rxh8 Kxh8 32. Kc3 a5 33. a3 Ba7 34. b4 a4 35. Kd3 Kg7 36. Rc1 Bb8 37. Rh1 Bc7 38. Bh6+ Kf6 39. Be3 Kf5 40. Rc1 Bf4 41. Bxf4 Kxf4 42. Rc2 Kf3 43. Rd2 g5 0-1

[Event "Montreal Mercredi 09"]
[Site "Montreal"]
[Date "2010.09.08"]
[Round "2"]
[White "Yun, Chang"]
[Black "Gauthier, Luc"]
[Result "0-1"]
[ECO "B05"]
[WhiteElo "1735"]
[BlackElo "1727"]
[PlyCount "62"]
[EventDate "2010.09.01"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 Nf6 2. e5 Nd5 3. c4 Nb6 4. d4 d6 5. exd6 exd6 6. Nf3 Bg4 7. Be2 Be7 8. Nc3 Nc6 9. d5 Bxf3 10. Bxf3 Ne5 11. b3 Bf6 12. Bb2 0-0 13. 0-0 Qd7 14. Ne4 Nxf3+ 15. Qxf3 Bxb2 16. Rab1 Be5 17. Rfe1 h6 18. Rbd1 f5 19. Ng3 Rae8 20. Nh5 Qf7 21. Nf4 Bxf4 22. Qxf4 Re4 23. Rxe4 fxe4 24. Qxf7+ Kxf7 25. Rd4 Re8 26. b4 Nd7 27. Kf1 Nf6 28. Ke2 b6 29. Rd2 Ng4 30. h3 Nxf2 31. Rb2 Nd3 0-1

[Event "Montreal Mercredi 09"]
[Site "Montreal"]
[Date "2010.09.01"]
[Round "1"]
[White "Yun, Chang"]
[Black "Sonn, Eric"]
[Result "1-0"]
[ECO "B46"]
[WhiteElo "1735"]
[BlackElo "1633"]
[PlyCount "43"]
[EventDate "2010.09.01"]
[EventType "tourn"]
[EventRounds "5"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 a6 6. Nxc6 bxc6 7. Bd3 Ne7 8. 0-0 d5 9. e5 Ng6 10. Qh5 Bb7 11. Bxg6 fxg6 12. Qh3 Qe7 13. Ne2 Qf7 14. Nd4 Kd7 15. Rd1 Be7 16. c4 c5 17. cxd5 Kc8 18. Nxe6 Kb8 19. d6 Bd8 20. Nxd8 Rxd8 21. e6 Qe8 22. Bg5 1-0

[Event "North American-ch U14 Girls"]
[Site "Montreal"]
[Date "2010.08.19"]
[Round "7"]
[White "Yu, Kexin"]
[Black "Yun, Chang"]
[Result "0-1"]
[ECO "A26"]
[WhiteElo "1381"]
[BlackElo "1521"]
[PlyCount "74"]
[EventDate "2010.08.16"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. c4 Nf6 2. Nc3 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. 0-0 e5 7. d3 Nc6 8. Rb1 a5 9. Bd2 Nh5 10. Qb3 Kh8 11. Nd5 h6 12. Bc3 f5 13. Nh4 Kh7 14. Bf3 Nf6 15. Bg2 Nd4 16. Bxd4 exd4 17. Nxf6+ Bxf6 18. Nf3 g5 19. Rbc1 g4 20. Nd2 Bg5 21. Rc2 Qe7 22. a4 Kg6 23. f4 Bf6 24. Nb1 Qe3+ 25. Kh1 h5 26. Rg1 h4 27. Bf1 Rh8 28. Nd2 hxg3 29. Rxg3 Qxg3 30. Nf3 gxf3 31. exf3 Qxf3+ 32. Rg2+ Kh6 33. Be2 Qe3 34. c5 Be6 35. Qc2 Bd5 36. Bf1 Bxg2+ 37. Bxg2 Qe1+ 0-1

[Event "North American-ch U14 Girls"]
[Site "Montreal"]
[Date "2010.08.18"]
[Round "5"]
[White "Yun, Chang"]
[Black "Ma, Indy"]
[Result "1-0"]
[ECO "B92"]
[WhiteElo "1521"]
[BlackElo "1283"]
[PlyCount "63"]
[EventDate "2010.08.16"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. 0-0 0-0 9. f4 Nbd7 10. a4 Qb6+ 11. Kh1 Qc6 12. Bf3 Nb6 13. a5 Nc4 14. f5 Bd7 15. g4 Ne8 16. Nd5 Bh4 17. g5 Qb5 18. Be2 Rd8 19. Qd3 Nxb2 20. Ne7+ Kh8 21. Qf3 Nc4 22. Qc3 d5 23. exd5 Ned6 24. Nd2 Rfe8 25. f6 gxf6 26. gxf6 Rc8 27. Nxc4 Nxc4 28. Nxc8 Rxc8 29. Qf3 Qc5 30. Bh6 Nd6 31. Qg2 Nf5 32. Rg1 1-0

[Event "North American-ch U14 Girls"]
[Site "Montreal"]
[Date "2010.08.18"]
[Round "6"]
[White "Zhurbinskiy, Eve D"]
[Black "Yun, Chang"]
[Result "1-0"]
[ECO "A07"]
[WhiteElo "2003"]
[BlackElo "1521"]
[PlyCount "79"]
[EventDate "2010.08.16"]
[EventType "tourn"]
[EventRounds "7"]
[EventCountry "CAN"]
[SourceTitle "EXT 2013"]
[Source "ChessBase"]
[SourceDate "2012.11.22"]
[SourceVersion "1"]
[SourceVersionDate "2012.11.22"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 Nc6 3. Bg2 e5 4. d3 Be7 5. Nbd2 d5 6. 0-0 Bg4 7. h3 Bh5 8. e4 dxe4 9. dxe4 0-0 10. a3 Nd4 11. g4 Nxf3+ 12. Nxf3 Qxd1 13. Rxd1 Bg6 14. Nxe5 Bxe4 15. g5 Bxg2 16. gxf6 Bxf6 17. Nd7 Bf3 18. Nxf6+ gxf6 19. Rd3 Bc6 20. Bh6 Rfe8 21. Rg3+ Kh8 22. Bg7+ Kg8 23. Bxf6+ Kf8 24. Kh2 Re2 25. Bd4 Rxc2 26. Re1 f5 27. Re6 Rd8 28. Rf6+ Ke7 29. Rg7+ Ke8 30. Be3 Rd7 31. Rg8+ Ke7 32. Rxf5 Rd3 33. Kg3 Rd1 34. Kh4 Bd7 35. Bc5+ Ke6 36. Rgf8 Bc6 37. f4 Rd5 38. R5f6+ Kd7 39. R6f7+ Ke6 40. Re7# 1-0

