[Event "London Classic op U1600 8th"]
[Site "London"]
[Date "2016.12.11"]
[Round "5"]
[White "Barry, Steve"]
[Black "O, Yu"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1558"]
[BlackElo "1419"]
[PlyCount "52"]
[EventDate "2016.12.09"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Nf3 Bg4 6. Be2 Nf6 7. 0-0 e6 8. h3 Bf5 9. Ne5 Qc7 10. Be3 Nbd7 11. Nxd7 Qxd7 12. Bd3 Bxd3 13. Qxd3 Rd8 14. Rad1 Qc7 15. Ne4 Be7 16. c3 e5 17. Nxf6+ Bxf6 18. Rfe1 0-0 19. Qf5 exd4 20. Bf4 Qb6 21. cxd4 Bxd4 22. Rd2 Bxb2 23. Be3 Qb4 24. Red1 Rxd2 25. Rxd2 Bc1 26. Rd4 Qe1+ 0-1

[Event "London Classic op U1600 8th"]
[Site "London"]
[Date "2016.12.11"]
[Round "4"]
[White "Gelain Sohn, Elias"]
[Black "O, Yu"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1462"]
[BlackElo "1419"]
[PlyCount "146"]
[EventDate "2016.12.09"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Nf3 Bf5 6. Bd3 Bxd3 7. Qxd3 Nf6 8. Bf4 e6 9. 0-0 Nbd7 10. h3 Be7 11. Rfd1 0-0 12. a3 Qd8 13. Qe2 Nd5 14. Nxd5 exd5 15. Re1 Re8 16. Qd3 Nf6 17. Re3 Ne4 18. Nd2 Bg5 19. Bxg5 Nxg5 20. Rae1 Qd7 21. Qe2 Ne6 22. Nf3 Re7 23. c3 Rae8 24. Kf1 Kf8 25. Qc2 g6 26. Ne5 Qd6 27. h4 f6 28. Ng4 Qf4 29. Qd1 Ng7 30. g3 Qd6 31. Rxe7 Rxe7 32. Rxe7 Qxe7 33. Qf3 Nf5 34. Ne3 Nxe3+ 35. fxe3 f5 36. Qf4 Qe4 37. Qb8+ Kg7 38. Qxb7+ Kh6 39. Qxc6 Qf3+ 40. Ke1 Qxg3+ 41. Kd2 Qg2+ 42. Kd3 Qf1+ 43. Kc2 Qe2+ 44. Kb3 Qxe3 45. Qxd5 f4 46. Qg5+ Kg7 47. h5 Qe4 48. h6+ Kf7 49. Qb5 f3 50. Qd7+ Qe7 51. Qb5 f2 52. d5 Qe1 53. Qd7+ Kf6 54. Qd6+ Kg5 55. Qg3+ Kxh6 56. Qf4+ Kh5 57. Qf3+ Kh6 58. Qf4+ Kg7 59. Qd4+ Kh6 60. Qf4+ g5 61. Qf6+ Kh5 62. Qf3+ g4 63. Qf5+ Kh4 64. Qxh7+ Kg3 65. Qd3+ Kg2 66. Qc2 Kg1 67. Qg6 Qd1+ 68. Kb4 f1Q 69. d6 Qf8 70. Kc5 Qc8+ 71. Kb4 Qb8+ 72. Kc5 Qb6+ 73. Kc4 Qbb3+ 0-1

[Event "London Classic op U1600 8th"]
[Site "London"]
[Date "2016.12.10"]
[Round "2"]
[White "John, Joshua"]
[Black "O, Yu"]
[Result "0-1"]
[ECO "B14"]
[WhiteElo "1304"]
[BlackElo "1419"]
[PlyCount "100"]
[EventDate "2016.12.09"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. e3 e6 4. Nc3 cxd4 5. exd4 d5 6. Nf3 Nc6 7. cxd5 Nxd5 8. Nxd5 Qxd5 9. Bd3 g6 10. 0-0 Bg7 11. Be3 0-0 12. Bc2 b6 13. Bb3 Qd6 14. Qd2 Rd8 15. Rfd1 Na5 16. Bh6 Nxb3 17. axb3 Bb7 18. Bxg7 Kxg7 19. Qe3 Kg8 20. Ng5 Qd5 21. Qg3 a5 22. f3 Qxb3 23. Qh4 Qe3+ 24. Kh1 h5 25. Ra3 Qe2 26. Rad3 Rac8 27. Qf4 Rd7 28. R3d2 Qb5 29. h3 Qb4 30. Qf6 Bd5 31. g4 Qe7 32. Qxe7 Rxe7 33. Ne4 Bb3 34. Rg1 hxg4 35. hxg4 Kg7 36. Nc3 Rd7 37. Ra1 Rc4 38. Ra3 a4 39. Ne2 b5 40. Kg2 Rdc7 41. Ra1 Rc2 42. Rad1 Rxb2 43. Rxb2 Bxd1 44. Kf2 Rc2 45. Rxc2 Bxc2 46. Ke1 a3 47. Nc1 b4 48. Kd2 b3 49. Nxb3 Bxb3 50. Kc1 g5 0-1

[Event "London Classic op U1600 8th"]
[Site "London"]
[Date "2016.12.10"]
[Round "3"]
[White "O, Yu"]
[Black "Carroll, Peter"]
[Result "1/2-1/2"]
[ECO "B92"]
[WhiteElo "1419"]
[BlackElo "1561"]
[PlyCount "97"]
[EventDate "2016.12.09"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e5 7. Nb3 Be6 8. Be3 Be7 9. Be2 Nbd7 10. Nd5 b5 11. c4 Bxd5 12. cxd5 b4 13. Rc1 a5 14. 0-0 0-0 15. Nd2 Nb6 16. Rc6 Nfd7 17. Nc4 Nxc4 18. Bxc4 Nb8 19. Bb6 Qe8 20. Rc7 Bd8 21. Rb7 Bxb6+ 22. Rxb6 Qd7 23. Qe1 Qc7 24. Rxb8 Rfxb8 25. b3 a4 26. f4 axb3 27. Bxb3 Qc5+ 28. Kh1 exf4 29. Rxf4 Re8 30. h3 Re5 31. Qf1 f6 32. Qf3 Rae8 33. Ba4 R8e7 34. Bc6 Qc2 35. Qg4 Qxa2 36. Rxf6 Qa6 37. Rxd6 Qf1+ 38. Kh2 Rf7 39. Re6 b3 40. Rxe5 b2 41. Re8+ Rf8 42. Re7 Rf7 43. Re8+ Rf8 44. Qd7 Qf6 45. Qb7 Qf4+ 46. Kh1 Qf1+ 47. Kh2 Qf4+ 48. Kh1 Qf1+ 49. Kh2 1/2-1/2

[Event "London Classic op U1600 8th"]
[Site "London"]
[Date "2016.12.09"]
[Round "1"]
[White "O, Yu"]
[Black "Beckmann, Joshua"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1419"]
[PlyCount "85"]
[EventDate "2016.12.09"]
[EventType "swiss"]
[EventRounds "5"]
[EventCountry "ENG"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 f6 4. Bb5 Nge7 5. d5 Nb4 6. a3 c6 7. Ba4 b5 8. Bb3 Na6 9. d6 Ng6 10. Be3 Bb7 11. Nc3 b4 12. axb4 Nxb4 13. Ra4 a5 14. Bc5 Nf4 15. 0-0 g6 16. Ne2 Ba6 17. Nxf4 Bxf1 18. Qxf1 exf4 19. Qc4 Qc8 20. Qf7+ Kd8 21. Bb6+ Qc7 22. dxc7+ Kc8 23. Bxa5 Kb7 24. Rxb4+ Bxb4 25. c8Q+ Rhxc8 26. Qxd7+ Kb8 27. c3 Rxa5 28. cxb4 Ra1+ 29. Bd1 Rc7 30. Qd4 Kc8 31. b3 Rd7 32. Qxa1 f5 33. e5 h5 34. h3 g5 35. Nxg5 Rb7 36. Qc3 Kd8 37. Qxc6 Rxb4 38. Nf7+ Ke7 39. Qf6+ Kd7 40. Qd6+ Ke8 41. Qxb4 Kxf7 42. Bxh5+ Ke6 43. Qd6# 1-0

[Event "Hong Kong op"]
[Site "Hong Kong"]
[Date "2014.10.05"]
[Round "9"]
[White "O, Yu"]
[Black "Ho, Jei Chen"]
[Result "1-0"]
[ECO "C07"]
[WhiteElo "1325"]
[BlackElo "2052"]
[PlyCount "65"]
[EventDate "2014.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 c5 4. Ngf3 cxd4 5. exd5 Qxd5 6. Bc4 Qd6 7. 0-0 Nf6 8. Nb3 Nc6 9. Nbxd4 Nxd4 10. Nxd4 a6 11. Re1 Qc7 12. Bb3 Bd6 13. h3 0-0 14. Bg5 Bh2+ 15. Kh1 Be5 16. c3 h6 17. Nf3 Rd8 18. Qe2 Bxc3 19. Rec1 hxg5 20. Rxc3 Qa5 21. Ne5 Nd5 22. Qh5 Rf8 23. Rf3 Qc7 24. Re1 b6 25. Bxd5 exd5 26. Nxf7 Qxf7 27. Rxf7 Rxf7 28. Re8+ Rf8 29. Re7 Bf5 30. Qxg5 g6 31. Re5 Be4 32. f3 Bb1 33. Rxd5 1-0

[Event "Hong Kong op"]
[Site "Hong Kong"]
[Date "2014.10.04"]
[Round "8"]
[White "Lau, Joe Yiu Cho"]
[Black "O, Yu"]
[Result "0-1"]
[ECO "D40"]
[WhiteElo "1613"]
[BlackElo "1325"]
[PlyCount "78"]
[EventDate "2014.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 c5 3. e3 e6 4. Nc3 Nc6 5. Nf3 d5 6. Be2 Be7 7. h3 a6 8. a3 dxc4 9. Bxc4 b5 10. Ba2 cxd4 11. Nxd4 Nxd4 12. Qxd4 Bb7 13. 0-0 0-0 14. Rd1 Qc7 15. Qd3 Rad8 16. Qe2 Rxd1+ 17. Nxd1 Qe5 18. Nc3 Ne4 19. Nxe4 Qxe4 20. f3 Qe5 21. Rb1 Rd8 22. b4 Qg3 23. Bb2 Bd6 24. f4 Bc7 25. Bd4 Bxf4 26. Qg4 Bxe3+ 27. Bxe3 Qxe3+ 28. Kh2 Qe5+ 29. Kg1 Qd4+ 30. Qxd4 Rxd4 31. Rc1 Rd7 32. Bb1 g6 33. h4 Rd2 34. g3 Rg2+ 35. Kf1 Rxg3 36. Rc7 Rxa3 37. Bxg6 fxg6 38. Rxb7 Ra4 39. Rb6 e5 0-1

[Event "Hong Kong op"]
[Site "Hong Kong"]
[Date "2014.10.04"]
[Round "7"]
[White "O, Yu"]
[Black "Lai, Sai Wing"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "1325"]
[BlackElo "1807"]
[PlyCount "36"]
[EventDate "2014.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 d5 4. Qa4 Bd7 5. exd5 Nd4 6. Qd1 Nxf3+ 7. Qxf3 Nf6 8. Bc4 e4 9. Qe3 Bd6 10. d3 0-0 11. dxe4 Nxe4 12. 0-0 Qh4 13. g3 Nxg3 14. fxg3 Qxc4 15. Qf3 Bh3 16. Nd2 Qc5+ 17. Rf2 Rae8 18. Nf1 Re1 0-1

[Event "Hong Kong op"]
[Site "Hong Kong"]
[Date "2014.10.03"]
[Round "5"]
[White "O, Yu"]
[Black "Scott, Christopher"]
[Result "1-0"]
[ECO "B07"]
[WhiteElo "1325"]
[PlyCount "117"]
[EventDate "2014.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 d6 2. d4 Nf6 3. Bd3 g6 4. Nf3 Bg4 5. h3 Bxf3 6. Qxf3 e5 7. Bg5 Bg7 8. dxe5 dxe5 9. Nc3 c6 10. Rd1 Qe7 11. 0-0 Nbd7 12. Bc4 Nb6 13. Bb3 h6 14. Bh4 g5 15. Bg3 0-0 16. Ne2 Nfd7 17. Bh2 Nc5 18. Ng3 Rad8 19. Qc3 Nxb3 20. axb3 Rxd1 21. Rxd1 Rd8 22. Re1 f6 23. Nf5 Qd7 24. f3 Qd2 25. Kf1 Qxc3 26. bxc3 Bf8 27. Ke2 Nc8 28. Bg1 b6 29. Ra1 h5 30. h4 Kf7 31. Be3 Kg6 32. Rh1 Rd7 33. g4 Rh7 34. hxg5 fxg5 35. gxh5+ Rxh5 36. Rg1 Nd6 37. Ra1 Nxf5 38. exf5+ Kxf5 39. Rxa7 Bc5 40. Bxc5 bxc5 41. Ra5 Kf4 42. Rxc5 Rh2+ 43. Kd3 Rf2 44. Rxc6 Rxf3+ 45. Ke2 g4 46. b4 e4 47. b5 Ke5 48. b6 Rf8 49. b7 Rb8 50. Rc7 Kd6 51. Rg7 Kc5 52. Ke3 Kc4 53. Kxe4 g3 54. Kf3 g2 55. Kxg2 Kxc3 56. Rc7+ Kd4 57. c4 Ke5 58. c5 Kd5 59. c6 1-0

[Event "Hong Kong op"]
[Site "Hong Kong"]
[Date "2014.10.03"]
[Round "6"]
[White "Wan, Dennis"]
[Black "O, Yu"]
[Result "0-1"]
[ECO "A75"]
[WhiteElo "1839"]
[BlackElo "1325"]
[PlyCount "114"]
[EventDate "2014.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. Nf3 Bg7 8. Be2 0-0 9. 0-0 Bg4 10. h3 Bxf3 11. Bxf3 a6 12. a4 Nbd7 13. Bf4 Qe7 14. Qc2 Rab8 15. Be2 Rfe8 16. f3 Nh5 17. Bh2 Bd4+ 18. Rf2 Qh4 19. Raf1 Ng3 20. Bxg3 Qxg3 21. Bd1 b5 22. Kh1 Bxf2 23. Qxf2 Qxf2 24. Rxf2 b4 25. Nb1 Rec8 26. Nd2 c4 27. Kh2 Ne5 28. Re2 Nd3 29. b3 cxb3 30. Nxb3 Nc1 31. Rb2 Nxb3 32. Bxb3 Rc3 33. Kg3 Re8 34. Kf4 a5 35. Kg5 Kg7 36. Bd1 Re5+ 37. Kg4 h5+ 38. Kh4 Kh6 39. Bc2 g5+ 40. Kg3 h4+ 41. Kf2 Re7 42. Ke2 b3 43. Bd1 Rb7 44. Kd2 Rc4 45. Rxb3 Rxb3 46. Bxb3 Rb4 47. Bc2 Kg7 48. Ke3 Rb2 49. Kd3 Kf6 50. Bd1 Ke5 51. Bc2 Kf4 52. Kc3 Rb4 53. Bb3 f6 54. Bd1 Kg3 55. f4 Kxf4 56. Bf3 Rxa4 57. Kb3 Rxe4 0-1

[Event "Hong Kong op"]
[Site "Hong Kong"]
[Date "2014.10.02"]
[Round "4"]
[White "Dai, Wenzhi"]
[Black "O, Yu"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1754"]
[BlackElo "1325"]
[PlyCount "122"]
[EventDate "2014.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Nf3 Bg4 6. Be2 Nf6 7. 0-0 e6 8. h3 Bh5 9. Ne5 Bg6 10. Be3 Bd6 11. Nc4 Qc7 12. Nxd6+ Qxd6 13. Qd2 Nbd7 14. Bf3 Nb6 15. Bf4 Qd7 16. b3 0-0 17. Ne2 Rae8 18. Rad1 Nbd5 19. Be5 Be4 20. c4 Bxf3 21. gxf3 Ne7 22. Bxf6 gxf6 23. Qh6 Ng6 24. Ng3 Kh8 25. Nh5 Rg8 26. Nxf6 Nf8+ 27. Nxg8 Kxg8 28. Kh1 Ng6 29. Rg1 Qe7 30. Rg3 Kh8 31. Re1 Rd8 32. Qe3 Qf6 33. d5 cxd5 34. cxd5 exd5 35. Qxa7 d4 36. Qa5 d3 37. Qg5 Qd4 38. Re4 Qd6 39. Qd2 f5 40. Rc4 f4 41. Rxg6 Qxg6 42. Rxf4 h6 43. Qc3+ Qg7 44. Qxg7+ Kxg7 45. Rg4+ Kf6 46. Rg1 d2 47. Rd1 Kf5 48. Kg2 Kf4 49. a4 Rd3 50. b4 Rd4 51. a5 Rd5 52. b5 Rxb5 53. Rxd2 Rg5+ 54. Kf1 Rxa5 55. Rd3 Rh5 56. Kg2 Rg5+ 57. Kh2 b5 58. Rb3 Rh5 59. h4 Rxh4+ 60. Kg2 Rh5 61. Rb4+ Kf5 1-0

[Event "Hong Kong op"]
[Site "Hong Kong"]
[Date "2014.10.02"]
[Round "3"]
[White "O, Yu"]
[Black "Benham, Hamdolah"]
[Result "0-1"]
[ECO "C44"]
[WhiteElo "1325"]
[BlackElo "1975"]
[PlyCount "90"]
[EventDate "2014.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. c3 Nf6 4. d4 d6 5. Bg5 Be7 6. d5 Nb8 7. Nbd2 Nbd7 8. Bb5 a6 9. Ba4 b5 10. Bc2 0-0 11. 0-0 h6 12. Bxf6 Nxf6 13. h3 Bd7 14. c4 c5 15. b3 b4 16. a3 a5 17. a4 Nh7 18. Qb1 Ng5 19. Re1 Qc8 20. Nxg5 Bxg5 21. Nf1 Qd8 22. Ng3 Qf6 23. Qd1 g6 24. Qd3 Rae8 25. Bd1 h5 26. Qf3 Qg7 27. Bc2 h4 28. Nf1 f5 29. exf5 Bxf5 30. Qd1 Qf6 31. Re2 Rf7 32. Ra2 Ref8 33. Ne3 Bxe3 34. Rxe3 Qg5 35. Bxf5 gxf5 36. Ree2 e4 37. Qf1 Rg7 38. f4 Qg3 39. Rab2 Qxh3 40. g3 Qxf1+ 41. Kxf1 hxg3 42. Rg2 Rf6 43. Ke2 Rh6 44. Ke3 Rh1 45. Ke2 Rc1 0-1

[Event "Hong Kong op"]
[Site "Hong Kong"]
[Date "2014.10.01"]
[Round "1"]
[White "O, Yu"]
[Black "Zhang, Xiaopeng"]
[Result "0-1"]
[ECO "B34"]
[WhiteElo "1325"]
[BlackElo "2228"]
[PlyCount "56"]
[EventDate "2014.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 Nc6 3. d4 cxd4 4. Nxd4 g6 5. Nc3 Bg7 6. Be3 Nf6 7. f3 0-0 8. Be2 d5 9. Nxc6 bxc6 10. e5 Nd7 11. f4 Qa5 12. 0-0 Rb8 13. Rb1 f6 14. exf6 Bxf6 15. Bd4 Bxd4+ 16. Qxd4 Rb4 17. Qe3 e5 18. Qg3 Rbxf4 19. Rxf4 Rxf4 20. Bf3 Nf8 21. Ne2 Qc5+ 22. Kh1 Rf5 23. c3 e4 24. Bg4 Rg5 25. h3 h5 26. Qc7 Bxg4 27. hxg4 Rxg4 28. Ng1 Qf2 0-1

[Event "Hong Kong op"]
[Site "Hong Kong"]
[Date "2014.10.01"]
[Round "2"]
[White "Wong, Sabrina Chun Yan"]
[Black "O, Yu"]
[Result "0-1"]
[ECO "A00"]
[BlackElo "1325"]
[PlyCount "100"]
[EventDate "2014.10.01"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "CBM 162 Extra"]
[Source "ChessBase"]
[SourceDate "2014.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2014.10.17"]
[SourceQuality "1"]

1. e4 d5 2. Nc3 d4 3. Nd5 c6 4. Nf4 e5 5. Nd3 Bd6 6. Nf3 Bg4 7. Be2 Nd7 8. c3 c5 9. b4 c4 10. Nb2 d3 11. Bf1 b5 12. a4 a6 13. Nxd3 cxd3 14. Bxd3 Rb8 15. axb5 axb5 16. Ra5 Ngf6 17. 0-0 0-0 18. Re1 Nh5 19. Bxb5 Bc7 20. Bxd7 Bxd7 21. Rd5 Nf4 22. d4 Nxd5 23. exd5 exd4 24. Qxd4 Bb6 25. Qd3 Re8 26. Be3 Bxe3 27. fxe3 Bc6 28. e4 Ba8 29. Qd4 Qb6 30. d6 Rxe4 31. Rxe4 Bxe4 32. Kf1 Bxf3 33. Qd2 Bg4 34. d7 Qb5+ 35. Kf2 Qxd7 36. Qf4 Qf5 37. Qxf5 Bxf5 38. Ke3 Be6 39. Kd3 Rc8 40. b5 Bc4+ 41. Kd4 Bxb5 42. g4 Rc4+ 43. Kd3 Rxg4+ 44. Kc2 f5 45. h3 Rg2+ 46. Kb3 f4 47. c4 Bc6 48. Kb4 f3 49. Ka5 f2 50. Kb6 f1Q 0-1

[Event "Hong Kong-ch op"]
[Site "Hong Kong"]
[Date "2013.10.01"]
[Round "9"]
[White "Kannappan, Sigappi"]
[Black "O, Yu"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1896"]
[BlackElo "1299"]
[PlyCount "103"]
[EventDate "2013.09.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Nf3 Nf6 6. Bd2 Qc7 7. Be2 Bf5 8. 0-0 e6 9. Bg5 Nbd7 10. Bd3 Bg6 11. Re1 Bd6 12. Ne4 Nxe4 13. Bxe4 Nf6 14. Bxf6 gxf6 15. Bxg6 hxg6 16. g3 0-0-0 17. c4 g5 18. Nd2 Rh3 19. Nf1 f5 20. Kg2 g4 21. f3 Qb6 22. c5 Qxb2+ 23. Re2 gxf3+ 24. Kxf3 Qa3+ 25. Re3 Qa5 26. cxd6 Qd5+ 27. Kf2 Rxd6 28. Re5 Qc4 29. Rc5 Qxd4+ 30. Qxd4 Rxd4 31. Kg2 Rh8 32. Rac1 Kc7 33. R5c4 Rd5 34. R1c2 Rhd8 35. Rh4 b5 36. Rh7 R8d7 37. h4 a5 38. h5 a4 39. Kf3 Kb6 40. Kf4 Rc5 41. Rxc5 Kxc5 42. h6 b4 43. Rh8 b3 44. axb3 axb3 45. Rb8 f6 46. Rxb3 Rh7 47. Rc3+ Kd6 48. Rd3+ Kc7 49. Re3 Kd6 50. Rd3+ Kc7 51. Re3 Kd6 52. Rd3+ 1/2-1/2

[Event "Hong Kong-ch op"]
[Site "Hong Kong"]
[Date "2013.09.30"]
[Round "7"]
[White "Lim, Kian Hwa"]
[Black "O, Yu"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "1932"]
[BlackElo "1299"]
[PlyCount "49"]
[EventDate "2013.09.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Nf3 Bg4 6. Be2 Nf6 7. 0-0 e6 8. Re1 Bd6 9. Bd2 Qc7 10. Ne5 Bxe5 11. dxe5 Bxe2 12. Qxe2 Nd5 13. Nxd5 cxd5 14. Bb4 Qb6 15. Bd6 f5 16. c4 Nd7 17. cxd5 Nc5 18. Bxc5 Qxc5 19. d6 0-0 20. Rac1 Qb6 21. Rc7 Rf7 22. Rec1 Raf8 23. Rxf7 Rxf7 24. Rc8+ Rf8 25. Qc4 1-0

[Event "Hong Kong-ch op"]
[Site "Hong Kong"]
[Date "2013.09.29"]
[Round "4"]
[White "Leung, Ho Yan Andrew"]
[Black "O, Yu"]
[Result "1/2-1/2"]
[ECO "B01"]
[WhiteElo "1713"]
[BlackElo "1299"]
[PlyCount "21"]
[EventDate "2013.09.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Nf3 Bg4 6. h3 Bh5 7. g4 Bg6 8. Ne5 e6 9. Nxg6 hxg6 10. Qf3 Nf6 11. Bd2 1/2-1/2

[Event "Hong Kong-ch op"]
[Site "Hong Kong"]
[Date "2013.09.29"]
[Round "5"]
[White "O, Yu"]
[Black "Mahadevan, Aravind"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "1299"]
[BlackElo "1503"]
[PlyCount "76"]
[EventDate "2013.09.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. f3 g6 4. Nc3 dxe4 5. fxe4 Bg7 6. Nf3 Bg4 7. Bc4 Nf6 8. e5 Nd5 9. Nxd5 cxd5 10. Bb5+ Nc6 11. 0-0 e6 12. c3 0-0 13. Bd3 a6 14. h3 Bxf3 15. Qxf3 Rc8 16. Kh1 f5 17. Qg3 Rf7 18. Rb1 Qf8 19. Be3 Bh6 20. Bxh6 Qxh6 21. Qf4 Qxf4 22. Rxf4 Ra8 23. Rbf1 b5 24. a3 Na5 25. b4 Nc4 26. Bxc4 bxc4 27. a4 Raa7 28. a5 Rab7 29. g4 g5 30. R4f3 f4 31. h4 h6 32. Rh3 Rh7 33. Rf2 Kh8 34. hxg5 hxg5 35. Rxh7+ Kxh7 36. Rh2+ Kg6 37. Kg2 Rb8 38. Kf3 Ra8 1/2-1/2

[Event "Hong Kong-ch op"]
[Site "Hong Kong"]
[Date "2013.09.28"]
[Round "2"]
[White "O, Yu"]
[Black "Chew, Ern Mitchell"]
[Result "1-0"]
[ECO "C56"]
[WhiteElo "1299"]
[PlyCount "91"]
[EventDate "2013.09.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d4 d6 5. Bg5 Be7 6. Nc3 Bg4 7. d5 Nd4 8. Be2 Bxf3 9. Bxf3 0-0 10. Qd3 c6 11. Ne2 Nxf3+ 12. Qxf3 Nxd5 13. Bxe7 Nxe7 14. c4 f5 15. 0-0 fxe4 16. Qxe4 d5 17. Qxe5 dxc4 18. Qe6+ Kh8 19. Qxc4 Qb6 20. b3 a5 21. Nd4 Qb4 22. Qxb4 axb4 23. Rfd1 c5 24. Ne6 Rfc8 25. Rd7 Re8 26. Nxc5 b6 27. Ne6 Rac8 28. Nc7 Nc6 29. Nxe8 Rxe8 30. Rd2 h6 31. g3 Ne5 32. Kg2 Kh7 33. Re1 Nc4 34. Rxe8 Nxd2 35. Rb8 Nb1 36. Rxb6 Nc3 37. Rxb4 Nxa2 38. Rc4 h5 39. b4 Nxb4 40. Rxb4 Kh6 41. Rb5 g6 42. f4 Kg7 43. Kh3 Kh6 44. Kh4 Kg7 45. Kg5 Kf7 46. Rb7+ 1-0

[Event "Hong Kong-ch op"]
[Site "Hong Kong"]
[Date "2013.09.28"]
[Round "3"]
[White "O, Yu"]
[Black "San Diego, Marie Antoinette"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "1299"]
[BlackElo "2014"]
[PlyCount "52"]
[EventDate "2013.09.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f3 e6 7. Be3 b5 8. Qd2 Bb7 9. Be2 Nbd7 10. g4 Nb6 11. h4 Nfd7 12. a3 Qc7 13. g5 Rc8 14. h5 Ne5 15. 0-0-0 Nbc4 16. Bxc4 Nxc4 17. Qd3 Nxa3 18. g6 Nc4 19. h6 hxg6 20. hxg7 Bxg7 21. Rxh8+ Bxh8 22. Rh1 Bf6 23. Rh7 Qa5 24. Kb1 Nxb2 25. Kxb2 Qb4+ 26. Nb3 Rxc3 0-1

[Event "Hong Kong-ch op"]
[Site "Hong Kong"]
[Date "2013.09.27"]
[Round "1"]
[White "Zhang, Xiaopeng"]
[Black "O, Yu"]
[Result "1-0"]
[ECO "B01"]
[WhiteElo "2137"]
[BlackElo "1299"]
[PlyCount "87"]
[EventDate "2013.09.27"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "EXT 2015"]
[Source "ChessBase"]
[SourceDate "2014.11.20"]
[SourceVersion "1"]
[SourceVersionDate "2014.11.20"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 c6 5. Nf3 Nf6 6. h3 Bf5 7. Bc4 e6 8. 0-0 Bd6 9. Bg5 Nbd7 10. Re1 h6 11. d5 Nxd5 12. Bxd5 cxd5 13. Nd4 hxg5 14. Nxf5 Be5 15. Rxe5 Nxe5 16. Nxg7+ Ke7 17. Qe2 f6 18. Re1 Qd8 19. Nh5 Qf8 20. f4 gxf4 21. Nxf4 Qg8 22. Nb5 Qg5 23. Qf2 Rac8 24. Nd4 Rc6 25. Nxc6+ bxc6 26. Qxa7+ Kd6 27. Qa3+ Kd7 28. Rf1 Nc4 29. Qa7+ Kd6 30. Qf7 Qe5 31. Ng6 Qe3+ 32. Rf2 Qe1+ 33. Kh2 Kc5 34. Qa7+ Nb6 35. b4+ Qxb4 36. Nxh8 Qd4 37. Qe7+ Kb5 38. Qxf6 Qxf6 39. Rxf6 e5 40. Nf7 e4 41. Nd6+ Kc5 42. Nf5 d4 43. Ng3 e3 44. h4 1-0

