[Event "CHN-ch U16 Girls"]
[Site "Shanghai"]
[Date "2024.02.21"]
[Round "11"]
[White "Yu, Yaochen"]
[Black "Liang, Yuetong"]
[Result "1-0"]
[ECO "C10"]
[WhiteElo "1714"]
[PlyCount "59"]
[EventDate "2024.02.16"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CB09_2024"]
[SourceDate "2024.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.28"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nd2 dxe4 4. Nxe4 Nd7 5. Nf3 Ngf6 6. Nxf6+ Nxf6 7. Ne5 Bd6 8. Qe2 h6 9. c3 Bd7 10. Bd2 Nd5 11. Qg4 Bxe5 12. dxe5 g5 13. h4 Qe7 14. hxg5 h5 15. Rxh5 Rg8 16. 0-0-0 b5 17. Bd3 Kd8 18. g6 Kc8 19. Rh7 Kb7 20. Qh5 Qc5 21. gxf7 Rgf8 22. Kb1 a5 23. Qe2 a4 24. Be4 Bc6 25. Bh6 a3 26. Bxf8 Rxf8 27. Bxd5 Bxd5 28. Rxd5 Qxd5 29. Qf3 Qxf3 30. gxf3 1-0

[Event "CHN-ch U16 Girls"]
[Site "Shanghai"]
[Date "2024.02.20"]
[Round "10"]
[White "He, Xiyao"]
[Black "Yu, Yaochen"]
[Result "0-1"]
[ECO "B42"]
[WhiteElo "1418"]
[BlackElo "1714"]
[PlyCount "100"]
[EventDate "2024.02.16"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CB09_2024"]
[SourceDate "2024.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.28"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 Qc7 6. Qe2 Nc6 7. Nxc6 bxc6 8. c4 Ne7 9. Nc3 Ng6 10. 0-0 Bc5 11. Be3 Bxe3 12. Qxe3 0-0 13. Rfd1 Rb8 14. b3 d6 15. Rac1 Bb7 16. Bb1 Rbd8 17. h3 Rfe8 18. Na4 c5 19. Nc3 Ne7 20. Qg3 Nc6 21. Rd2 Nd4 22. Ne2 e5 23. Nxd4 cxd4 24. Bd3 Qb6 25. Rdc2 Rc8 26. Qg4 Rc7 27. Qe2 g6 28. f3 a5 29. Kf1 Ra8 30. Rb2 Qc6 31. Qc2 Qd7 32. Qf2 Rcc8 33. Rcb1 Ba6 34. Ke2 Kh8 35. Qh4 Qe6 36. Qg5 f6 37. Qg3 f5 38. Qg5 Rf8 39. Qg3 Rf7 40. Qh4 Raf8 41. Qe1 fxe4 42. Bxe4 d5 43. Bd3 e4 44. Kd1 Qc8 45. fxe4 dxc4 46. bxc4 Qc6 47. Rb6 Qa4+ 48. Kc1 Bxc4 49. Bxc4 Qxc4+ 50. Kb2 Rf2+ 0-1

[Event "CHN-ch U16 Girls"]
[Site "Shanghai"]
[Date "2024.02.20"]
[Round "9"]
[White "Zhang, Jiemin"]
[Black "Yu, Yaochen"]
[Result "1/2-1/2"]
[ECO "B25"]
[BlackElo "1714"]
[PlyCount "81"]
[EventDate "2024.02.16"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CB09_2024"]
[SourceDate "2024.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.28"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 Nc6 3. g3 g6 4. Bg2 Bg7 5. d3 d6 6. f4 e6 7. Nh3 Nge7 8. 0-0 0-0 9. g4 f5 10. g5 Rb8 11. Ne2 b5 12. c3 Qd7 13. Be3 Ba6 14. a3 c4 15. d4 fxe4 16. Bxe4 Bb7 17. Nf2 Nf5 18. Bc1 Nce7 19. Ng3 a5 20. Qe2 Nd5 21. Nxf5 exf5 22. Bg2 Rfe8 23. Qc2 Nb6 24. Bxb7 Qxb7 25. Bd2 b4 26. cxb4 axb4 27. Bxb4 Bxd4 28. Bxd6 Rbd8 29. Be5 Bxe5 30. fxe5 Rxe5 31. Rae1 Qe7 32. Rxe5 Qxe5 33. Nh3 Qe3+ 34. Qf2 Qb3 35. Nf4 Na4 36. Qa7 Qb6+ 37. Qxb6 Nxb6 38. Rf2 Kf7 39. Kg2 Na4 40. Rc2 Rd4 41. Kf3 1/2-1/2

[Event "CHN-ch U16 Girls"]
[Site "Shanghai"]
[Date "2024.02.19"]
[Round "7"]
[White "Pian, Junyao"]
[Black "Yu, Yaochen"]
[Result "1-0"]
[ECO "D36"]
[WhiteElo "1497"]
[BlackElo "1714"]
[PlyCount "99"]
[EventDate "2024.02.16"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CB09_2024"]
[SourceDate "2024.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.28"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. Qc2 Be7 7. Nf3 h6 8. Bh4 Nbd7 9. e3 0-0 10. Bd3 Re8 11. 0-0 Ne4 12. Bxe7 Qxe7 13. Bxe4 dxe4 14. Nd2 Nf6 15. Nc4 h5 16. Ne5 Nd7 17. Nxd7 Bxd7 18. Rae1 Rad8 19. f3 exf3 20. Rxf3 Bg4 21. Rf4 Rd7 22. Re4 Qd8 23. Rxe8+ Qxe8 24. Ne4 Qe7 25. Rf1 Rd5 26. Rf4 Bf5 27. h4 f6 28. g4 hxg4 29. h5 Bh7 30. Qg2 f5 31. Nc3 Qxe3+ 32. Qf2 Qxf2+ 33. Kxf2 Rd6 34. Kg3 Rh6 35. Kh4 g6 36. Kg5 Rxh5+ 37. Kf6 g5 38. Rf2 Rh6+ 39. Kxg5 Re6 40. d5 Rd6 41. Rd2 Kg7 42. dxc6 Rxc6 43. Rd7+ Kh8 44. Rd8+ Kg7 45. Rd7+ Kh8 46. Rd8+ Bg8 47. Nd5 Re6 48. Kxf5 Kg7 49. Rxg8+ Kxg8 50. Kxe6 1-0

[Event "CHN-ch U16 Girls"]
[Site "Shanghai"]
[Date "2024.02.19"]
[Round "8"]
[White "Yu, Yaochen"]
[Black "Zhou, Shumeng"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "1714"]
[BlackElo "1711"]
[PlyCount "53"]
[EventDate "2024.02.16"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CB09_2024"]
[SourceDate "2024.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.28"]
[SourceQuality "1"]

1. Nf3 d5 2. g3 Nf6 3. Bg2 e6 4. 0-0 Be7 5. d3 0-0 6. Nbd2 c5 7. e4 Nc6 8. Re1 Qc7 9. e5 Nd7 10. Qe2 b6 11. h4 Nd8 12. Nf1 f5 13. h5 Nf7 14. Bf4 g5 15. hxg6 hxg6 16. c4 Bb7 17. Nh4 Bxh4 18. gxh4 d4 19. Nd2 Kg7 20. Bxb7 Qxb7 21. Qf3 Qxf3 22. Nxf3 a5 23. Kf1 Rab8 24. a4 Rh8 25. Ke2 Rh5 26. Rg1 Rg8 27. Rg2 1/2-1/2

[Event "CHN-ch U16 Girls"]
[Site "Shanghai"]
[Date "2024.02.18"]
[Round "5"]
[White "Yin, Qinyuan"]
[Black "Yu, Yaochen"]
[Result "0-1"]
[ECO "B23"]
[BlackElo "1714"]
[PlyCount "155"]
[EventDate "2024.02.16"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CB09_2024"]
[SourceDate "2024.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.28"]
[SourceQuality "1"]

1. e4 c5 2. Nc3 d6 3. d4 cxd4 4. Qxd4 Nc6 5. Qd2 Nf6 6. b3 a6 7. Bb2 b5 8. f3 e6 9. 0-0-0 Be7 10. Kb1 0-0 11. g4 b4 12. Na4 e5 13. Ne2 Bd7 14. Ng3 Ne8 15. Nf5 Bxf5 16. gxf5 Qc7 17. h4 Qb7 18. Bc4 Nc7 19. Rdg1 Na5 20. Bd3 Bf6 21. Qg2 Kh8 22. Bc1 Rg8 23. Bg5 Ne8 24. Qf2 Qa7 25. Be3 Qb7 26. Nb6 Rb8 27. Nd5 Bd8 28. h5 Nc7 29. Nb6 Ne8 30. Na4 Bf6 31. Rg2 Nc7 32. Bg5 Bxg5 33. Rxg5 Nb5 34. Nb2 Nc3+ 35. Ka1 Qe7 36. Rhg1 f6 37. R5g4 Qf7 38. Qh4 h6 39. Rg6 Kh7 40. Nc4 Qc7 41. Kb2 Rbc8 42. Qg3 Nb7 43. Qf2 Nc5 44. Qe3 a5 45. Ra1 a4 46. Kc1 Ra8 47. bxa4 Rxa4 48. Kd2 Rxa2 49. Rxa2 Nxa2 50. Ke2 Nc3+ 51. Kf1 d5 52. Nd2 Nxd3 53. Qxd3 Rd8 54. Qe3 Nd1 55. Qb3 Qxc2 56. Qxb4 Qc7 57. Ke1 Ne3 58. Ke2 Nc2 59. Qb2 d4 60. Kd3 Ne3 61. Rg1 Rb8 62. Qc1 Qa7 63. Ke2 Qa6+ 64. Kf2 Rc8 65. Qe1 Nc2 66. Qf1 d3 67. Kg3 Rd8 68. Qf2 Qa5 69. Rd1 Qa4 70. Qb6 Qe8 71. Kh4 Nd4 72. Rg1 Qe7 73. Rc1 Nc2 74. Qa5 Qd7 75. Qc3 Rc8 76. Qb2 Qa7 77. Kg3 Qe3 78. Rd1 0-1

[Event "CHN-ch U16 Girls"]
[Site "Shanghai"]
[Date "2024.02.18"]
[Round "6"]
[White "Yu, Yaochen"]
[Black "You, Jinze"]
[Result "1/2-1/2"]
[ECO "C00"]
[WhiteElo "1714"]
[BlackElo "1434"]
[PlyCount "45"]
[EventDate "2024.02.16"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CB09_2024"]
[SourceDate "2024.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.28"]
[SourceQuality "1"]

1. e4 e6 2. d3 d5 3. Qe2 Nf6 4. Nf3 h6 5. g3 c5 6. Bg2 d4 7. 0-0 Nc6 8. e5 Nd7 9. Re1 g5 10. h3 Bg7 11. Na3 Ndxe5 12. Nxe5 Nxe5 13. f4 gxf4 14. gxf4 Nc6 15. Nc4 0-0 16. Qh5 f5 17. Kh2 Bd7 18. Rg1 Be8 19. Qe2 Qf6 20. Bd2 Bf7 21. b3 Kh7 22. Rae1 Rad8 23. Bf3 1/2-1/2

[Event "CHN-ch U16 Girls"]
[Site "Shanghai"]
[Date "2024.02.17"]
[Round "3"]
[White "Kuang, Wanyi"]
[Black "Yu, Yaochen"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "1351"]
[BlackElo "1714"]
[PlyCount "172"]
[EventDate "2024.02.16"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CB09_2024"]
[SourceDate "2024.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.28"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Bd2 c5 5. e3 b6 6. Bxb4 cxb4 7. Nbd2 Bb7 8. c5 0-0 9. Rc1 d6 10. cxd6 Qxd6 11. Nc4 Qd5 12. Bd3 h6 13. 0-0 Rd8 14. Qa4 b5 15. Qxb4 bxc4 16. Bxc4 Qe4 17. Rfd1 Bc8 18. Bd3 Qb7 19. Qa5 Qb6 20. Qc3 Ba6 21. Bb1 Nbd7 22. b4 Rac8 23. Qb2 Bb7 24. Nd2 Ba6 25. Nf3 Rc4 26. Rxc4 Bxc4 27. Rc1 Bd5 28. Nd2 Nf8 29. Rc5 Rb8 30. a3 N6d7 31. Rc2 Qb7 32. f3 Rc8 33. Rxc8 Qxc8 34. e4 Bb7 35. Bd3 Nb6 36. Nb3 Na4 37. Qd2 Ng6 38. Kf2 Qc7 39. g3 Kf8 40. Nc5 Nxc5 41. dxc5 Ne5 42. Bb5 a6 43. Be2 Ke7 44. Qc3 f6 45. a4 Nd7 46. Qc2 a5 47. Bb5 axb4 48. c6 Nb8 49. Qc5+ Kf7 50. Qh5+ g6 51. Qxh6 Qb6+ 52. Kg2 Bxc6 53. Qh7+ Kf8 54. Qh8+ Ke7 55. Qg7+ Kd6 56. Qxf6 Bxb5 57. axb5 Nd7 58. e5+ Nxe5 59. Qf8+ Kd5 60. Qxb4 Nc4 61. Qb1 Qe3 62. Qxg6 Qe2+ 63. Kh3 Qxf3 64. Qg5+ e5 65. Qg8+ Kc5 66. Qe8 Qf5+ 67. g4 Qf3+ 68. Kh4 Qf2+ 69. Kh3 Qe3+ 70. Kh4 Qh6+ 71. Kg3 Qf4+ 72. Kh3 e4 73. Qc6+ Kb4 74. b6 Qe3+ 75. Kh4 Nxb6 76. Qd6+ Kc3 77. Qa3+ Kd2 78. Qb2+ Ke1 79. Qb1+ Kf2 80. Qc2+ Kf3 81. Qd1+ Kg2 82. Qc2+ Qf2+ 83. Qxf2+ Kxf2 84. g5 Nd5 85. Kg4 e3 86. g6 e2 0-1

[Event "CHN-ch U16 Girls"]
[Site "Shanghai"]
[Date "2024.02.17"]
[Round "4"]
[White "Yu, Yaochen"]
[Black "Yu, Qingyang"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1714"]
[PlyCount "44"]
[EventDate "2024.02.16"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CB09_2024"]
[SourceDate "2024.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.28"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Bc5 3. Nf3 Nc6 4. c3 Nf6 5. d3 0-0 6. 0-0 d5 7. exd5 Nxd5 8. b4 Be7 9. Re1 Bf6 10. Nfd2 Nb6 11. Ne4 Nxc4 12. dxc4 Be6 13. Qe2 Be7 14. Nbd2 f5 15. Ng3 Bf6 16. Ba3 Re8 17. Rad1 Qe7 18. Nh5 e4 19. Nxf6+ Qxf6 20. Bb2 Ne5 21. Ba1 Nd3 22. Rf1 Qf7 1/2-1/2

[Event "CHN-ch U16 Girls"]
[Site "Shanghai"]
[Date "2024.02.16"]
[Round "1"]
[White "Xu, Tinghui"]
[Black "Yu, Yaochen"]
[Result "0-1"]
[ECO "A07"]
[WhiteElo "1132"]
[BlackElo "1714"]
[PlyCount "63"]
[EventDate "2024.02.16"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CB09_2024"]
[SourceDate "2024.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.28"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 d5 3. Bg2 e6 4. 0-0 Be7 5. d3 0-0 6. Bf4 c5 7. Nbd2 Nc6 8. e4 Nh5 9. Ne5 Nxf4 10. Nxc6 bxc6 11. gxf4 Qc7 12. e5 f6 13. Re1 Qb6 14. b3 c4 15. Nf3 cxd3 16. Qxd3 fxe5 17. fxe5 Kh8 18. c3 c5 19. Qd2 Bb7 20. Rac1 Rad8 21. Qe3 d4 22. cxd4 cxd4 23. Nxd4 Bxg2 24. Nxe6 Qxe6 25. Kxg2 Qg4+ 26. Kh1 Bg5 27. Qxa7 Bxc1 28. Rxc1 Qe4+ 29. Kg1 Qxe5 30. Qe3 Qf5 31. b4 Rd3 32. Qe2 0-1

[Event "CHN-ch U16 Girls"]
[Site "Shanghai"]
[Date "2024.02.16"]
[Round "2"]
[White "Yu, Yaochen"]
[Black "Li, Siyao"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1714"]
[BlackElo "1398"]
[PlyCount "88"]
[EventDate "2024.02.16"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CB09_2024"]
[SourceDate "2024.02.28"]
[SourceVersion "1"]
[SourceVersionDate "2024.02.28"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Nf6 3. Bf4 c5 4. e3 Qb6 5. Nc3 a6 6. Rb1 Bg4 7. Be2 e6 8. Ne5 Bxe2 9. Nxe2 Nc6 10. c3 Be7 11. 0-0 0-0 12. Ng3 Rad8 13. Qe2 Rfe8 14. Rfd1 Bd6 15. Nxc6 Qxc6 16. Bxd6 Rxd6 17. dxc5 Qxc5 18. e4 dxe4 19. Nxe4 Nxe4 20. Qxe4 Red8 21. Qc2 Qh5 22. f3 Qc5+ 23. Kf1 Qc4+ 24. Kf2 Qxa2 25. Kg3 Qa5 26. Rxd6 Rxd6 27. Rd1 Qe5+ 28. Kh3 h6 29. Rxd6 Qxd6 30. Qe4 Qd5 31. Qxd5 exd5 32. Kg4 f6 33. Kf4 Kf7 34. Ke3 Ke6 35. Kd4 Kd6 36. f4 a5 37. f5 h5 38. g3 b5 39. h3 Kc6 40. Kd3 Kc5 41. h4 a4 42. Kd2 Kc4 43. Kc2 d4 44. cxd4 Kxd4 1/2-1/2

[Event "CHN-ch U16 Girls"]
[Site "Shenzhen"]
[Date "2023.08.02"]
[Round "11"]
[White "Yu, Yaochen"]
[Black "Zhou, Shumeng"]
[Result "0-1"]
[ECO "B01"]
[WhiteElo "1791"]
[BlackElo "1484"]
[PlyCount "78"]
[EventDate "2023.07.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 d5 2. exd5 Qxd5 3. Nc3 Qa5 4. d4 Nf6 5. Nf3 c6 6. Ne5 Bf5 7. Bc4 e6 8. Bd3 Bxd3 9. Qxd3 Na6 10. Nc4 Qd8 11. Bg5 Nb4 12. Qd2 Qxd4 13. Ne3 Qxd2+ 14. Kxd2 Nbd5 15. Nexd5 Nxd5 16. Nxd5 exd5 17. c3 Bc5 18. Bh4 Kd7 19. b4 Bd6 20. Rab1 a6 21. Kd3 Rhe8 22. f3 Re6 23. a4 Rae8 24. Rbe1 Rxe1 25. Bxe1 c5 26. Bg3 h6 27. Rb1 Bxg3 28. hxg3 c4+ 29. Kd4 Kd6 30. b5 a5 31. Rb2 Re1 32. Rd2 Ra1 33. Re2 Rd1+ 34. Ke3 Rd3+ 35. Kf4 Rxc3 36. Re8 Rd3 37. Rc8 c3 38. b6 Rd4+ 39. Ke3 Rc4 0-1

[Event "CHN-ch U16 Girls"]
[Site "Shenzhen"]
[Date "2023.08.01"]
[Round "10"]
[White "Huang, Zeyu"]
[Black "Yu, Yaochen"]
[Result "0-1"]
[ECO "B92"]
[BlackElo "1791"]
[PlyCount "52"]
[EventDate "2023.07.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. Bg5 Be6 9. Qd2 Nbd7 10. f4 h6 11. Bxf6 Nxf6 12. f5 Bd7 13. Bc4 Bc6 14. Nd5 Nxe4 15. Qa5 0-0 16. Nb4 Bh4+ 17. Ke2 Qg5 18. g3 Qg4+ 19. Ke1 Nxg3 20. hxg3 Bxg3+ 21. Kd2 Bxh1 22. Nd3 Qg5+ 23. Ke2 b5 24. Bxf7+ Rxf7 25. Rxh1 Qxf5 26. Rg1 Qf3+ 0-1

[Event "CHN-ch U16 Girls"]
[Site "Shenzhen"]
[Date "2023.08.01"]
[Round "9"]
[White "Zhai, Pinran"]
[Black "Yu, Yaochen"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1591"]
[BlackElo "1791"]
[PlyCount "64"]
[EventDate "2023.07.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[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. Bf3 Nbd7 11. a4 Nb6 12. Nd2 Qc7 13. a5 Nbd7 14. Nb3 b5 15. Qd2 Rac8 16. Rfc1 Rfd8 17. Nd5 Bxd5 18. exd5 Qb7 19. Qd3 Nc5 20. Nxc5 dxc5 21. Rd1 e4 22. Bxe4 c4 23. Bxh7+ Nxh7 24. Qf5 Nf6 25. d6 Rxd6 26. Rxd6 Bxd6 27. Rd1 Be7 28. Bb6 Re8 29. f3 Qc8 30. Qf4 Bc5+ 31. Bxc5 Qxc5+ 32. Kf1 Nd5 0-1

[Event "CHN-ch U16 Girls"]
[Site "Shenzhen"]
[Date "2023.07.31"]
[Round "7"]
[White "Yu, Yaochen"]
[Black "Wang, Xiyue"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "1791"]
[BlackElo "1599"]
[PlyCount "117"]
[EventDate "2023.07.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d3 Nc6 4. g3 g6 5. c3 Bg7 6. Bg2 Nge7 7. h4 h5 8. Na3 d5 9. Qe2 0-0 10. e5 a6 11. Nc2 Nf5 12. 0-0 Bd7 13. b3 Qb6 14. Ne3 Nxe3 15. Qxe3 d4 16. cxd4 Nxd4 17. Nxd4 cxd4 18. Qe2 Rfc8 19. Ba3 Bb5 20. Be4 Bc6 21. g4 Bxe4 22. Qxe4 hxg4 23. Qxg4 Qa5 24. Bd6 Qd5 25. Rfe1 Bf8 26. Bxf8 Kxf8 27. Re4 Rc3 28. Rd1 Rc2 29. h5 Kg7 30. Qh4 Qd8 31. Qf4 g5 32. Qg3 f5 33. exf6+ Qxf6 34. Rde1 Re8 35. a4 Kh7 36. Kg2 Rf8 37. R1e2 Rxe2 38. Rxe2 Rf7 39. Qg4 e5 40. Qe4+ Qf5 41. Qxe5 Qf3+ 42. Kg1 Qxd3 43. Qe6 Rc7 44. Qe5 Rg7 45. Re1 Qc3 46. Qe4+ Kh8 47. Qe8+ Kh7 48. h6 Rc7 49. Qe6 Qc6 50. Qf5+ Qg6 51. Qe5 Rd7 52. Re4 d3 53. Rd4 Rxd4 54. Qxd4 Kxh6 55. Qh8+ Qh7 56. Qf6+ Qg6 57. Qh8+ Qh7 58. Qf6+ Kh5 59. Qf3+ 1/2-1/2

[Event "CHN-ch U16 Girls"]
[Site "Shenzhen"]
[Date "2023.07.31"]
[Round "8"]
[White "Yu, Yaochen"]
[Black "Yu, Yuexi"]
[Result "0-1"]
[ECO "C54"]
[WhiteElo "1791"]
[BlackElo "1676"]
[PlyCount "88"]
[EventDate "2023.07.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Bc5 3. Nf3 Nc6 4. c3 Nf6 5. d3 0-0 6. Bb3 d5 7. Nbd2 dxe4 8. dxe4 Qe7 9. 0-0 a5 10. a4 Be6 11. Qe2 Rad8 12. Bxe6 Qxe6 13. Qb5 b6 14. h3 Ne7 15. Ng5 Qc6 16. Qxc6 Nxc6 17. Re1 Be7 18. Nc4 Nd7 19. Nf3 f6 20. Be3 Nc5 21. Bxc5 Bxc5 22. Ne3 Bxe3 23. Rxe3 Rd7 24. Kf1 Rfd8 25. Ree1 Kf7 26. Ke2 Ke6 27. g4 Ne7 28. Rad1 Ng6 29. Rxd7 Nf4+ 30. Kf1 Rxd7 31. h4 h5 32. gxh5 Nxh5 33. Kg2 Rd3 34. Re3 Nf4+ 35. Kg3 Rxe3 36. fxe3 Nd3 37. b3 Nc1 38. Nd2 Ne2+ 39. Kg4 Nxc3 40. Kh5 Kf7 41. Nc4 Nxe4 42. Na3 Nc5 43. Nb5 Nxb3 44. Nxc7 Nc5 0-1

[Event "CHN-ch U16 Girls"]
[Site "Shenzhen"]
[Date "2023.07.30"]
[Round "6"]
[White "Li, Yingxuan"]
[Black "Yu, Yaochen"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1573"]
[BlackElo "1791"]
[PlyCount "58"]
[EventDate "2023.07.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Bf4 Nf6 3. e3 c5 4. c3 Nc6 5. Nd2 e6 6. Ngf3 Nh5 7. Bg5 f6 8. Bh4 g6 9. Be2 Ng7 10. Bg3 cxd4 11. exd4 Nf5 12. Qc2 Bg7 13. 0-0 0-0 14. Nb3 h5 15. Bf4 e5 16. dxe5 fxe5 17. Bg5 Bf6 18. Qd2 e4 19. Bxf6 Rxf6 20. Nfd4 Qe7 21. Rad1 Nfxd4 22. Nxd4 Nxd4 23. Qxd4 Rf5 24. Qe3 b6 25. Bb5 Bb7 26. Ba4 Raf8 27. Rd2 Kh7 28. Bb3 Qc5 29. Rd4 Ba6 1/2-1/2

[Event "CHN-ch U16 Girls"]
[Site "Shenzhen"]
[Date "2023.07.30"]
[Round "5"]
[White "Wang, Shunshun"]
[Black "Yu, Yaochen"]
[Result "0-1"]
[ECO "E24"]
[WhiteElo "1457"]
[BlackElo "1791"]
[PlyCount "142"]
[EventDate "2023.07.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 b6 6. f3 Nc6 7. e4 d6 8. Bg5 Na5 9. c5 dxc5 10. e5 h6 11. exf6 hxg5 12. fxg7 Rg8 13. dxc5 Qf6 14. Ne2 Bb7 15. Nd4 0-0-0 16. cxb6 cxb6 17. Qc2 Qe5+ 18. Kf2 Kb8 19. Qe2 Qc5 20. Qe3 Rxg7 21. Be2 Rd5 22. Nc2 Qc7 23. Nb4 Rc5 24. Rac1 Nc4 25. Bxc4 Rxc4 26. Rhe1 Qxh2 27. Rh1 Qf4 28. Rh8+ Rc8 29. Rxc8+ Kxc8 30. Qxf4 gxf4 31. Nd3 Rg5 32. Nxf4 Ra5 33. Ra1 Kd7 34. Ke3 Kc6 35. Nd3 e5 36. g4 Kd6 37. Nf2 Ra4 38. Rd1+ Ke6 39. Nh3 Rxa3 40. Ng5+ Kf6 41. Rd7 Bc6 42. Rd6+ Kxg5 43. Rxc6 f5 44. gxf5 Kxf5 45. Rc7 b5 46. Kd2 a5 47. Rb7 Rb3 48. Kc2 a4 49. Rb8 Kf4 50. Rf8+ Kg5 51. Rb8 Kf6 52. Rf8+ Ke7 53. Rb8 Kd7 54. Rb6 Ke7 55. Rb8 Kd6 56. Rd8+ Kc6 57. Re8 b4 58. cxb4 Kd6 59. f4 exf4 60. Re4 Rf3 61. b5 a3 62. b6 Kc6 63. Rb4 Rf2+ 64. Kd3 Kb7 65. Ra4 Kxb6 66. Ke4 a2 67. Ra8 Kb5 68. Rb8+ Kc4 69. Rc8+ Kb3 70. Ra8 Kb2 71. Rb8+ Kc1 0-1

[Event "CHN-ch U16 Girls"]
[Site "Shenzhen"]
[Date "2023.07.29"]
[Round "3"]
[White "Pian, Junyao"]
[Black "Yu, Yaochen"]
[Result "1/2-1/2"]
[ECO "B42"]
[WhiteElo "1522"]
[BlackElo "1791"]
[PlyCount "103"]
[EventDate "2023.07.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 a6 5. Bd3 b5 6. 0-0 Qc7 7. a4 Nc6 8. Nxc6 Qxc6 9. axb5 axb5 10. Rxa8 Qxa8 11. Nc3 b4 12. Nb5 Qb8 13. Be3 Ba6 14. Qe2 Nf6 15. Ra1 Bxb5 16. Bxb5 Be7 17. Ra7 0-0 18. f3 Qe5 19. b3 Bc5 20. Ra5 h6 21. Bxc5 Qxc5+ 22. Qf2 Qe5 23. Qd2 Qc5+ 24. Qf2 Qg5 25. Qe2 Rc8 26. Ra2 Nh5 27. Bd3 Nf4 28. Qf1 Qc5+ 29. Kh1 d5 30. g3 dxe4 31. fxe4 Ng6 32. Qa1 Qf2 33. Qf1 Qd4 34. Qa1 Qe3 35. Qg1 Qf3+ 36. Qg2 Qd1+ 37. Qf1 Qh5 38. Ra4 Qc5 39. Qe1 Rb8 40. Qg1 Qc3 41. Qa1 Qd2 42. Ra8 Rxa8 43. Qxa8+ Kh7 44. Qb8 Qd1+ 45. Kg2 Qd2+ 46. Kg1 h5 47. e5 h4 48. gxh4 Qe1+ 49. Kg2 Qxh4 50. Bxg6+ Kxg6 51. Qc7 f6 52. exf6 1/2-1/2

[Event "CHN-ch U16 Girls"]
[Site "Shenzhen"]
[Date "2023.07.29"]
[Round "4"]
[White "Yu, Yaochen"]
[Black "Fu, Yaqi"]
[Result "1/2-1/2"]
[ECO "C54"]
[WhiteElo "1791"]
[PlyCount "86"]
[EventDate "2023.07.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Bc4 Nc6 3. Nf3 Bc5 4. c3 Nf6 5. d3 d6 6. Nbd2 Bb6 7. h3 h6 8. Bb3 a6 9. Nf1 Be6 10. Ng3 Qd7 11. Ba4 0-0 12. Nh4 d5 13. Qf3 dxe4 14. dxe4 Rad8 15. Bc2 Ne8 16. 0-0 Nd6 17. Nhf5 Nxf5 18. exf5 Bd5 19. Qg4 Kh8 20. Rd1 Qe7 21. Nh5 f6 22. b3 Rg8 23. Rd3 Bf7 24. Rxd8 Nxd8 25. Ng3 Bd5 26. Ne4 Nf7 27. a4 Nd6 28. Ba3 Bxe4 29. Bxe4 Qf7 30. Bc2 Qd5 31. Rd1 Qc6 32. Bb2 Qc5 33. Qe2 e4 34. g4 Qe5 35. Kg2 g6 36. fxg6 Rxg6 37. Rg1 Qf4 38. c4 Nf5 39. Bxe4 Ne3+ 40. fxe3 Qxe4+ 41. Kf2 Qf4+ 42. Kg2 Qe4+ 43. Kf2 Qf4+ 1/2-1/2

[Event "CHN-ch U16 Girls"]
[Site "Shenzhen"]
[Date "2023.07.28"]
[Round "1"]
[White "Dou, Zihe"]
[Black "Yu, Yaochen"]
[Result "0-1"]
[ECO "B22"]
[BlackElo "1791"]
[PlyCount "56"]
[EventDate "2023.07.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. c3 Nf6 3. e5 Nd5 4. d4 cxd4 5. Nf3 e6 6. cxd4 d6 7. Be2 Nc6 8. 0-0 Qc7 9. Re1 Bd7 10. Na3 dxe5 11. dxe5 Bc5 12. Nc4 b5 13. Nd6+ Bxd6 14. exd6 Qxd6 15. Bxb5 0-0 16. Be3 Rab8 17. a4 a6 18. Bxc6 Bxc6 19. Bd4 f6 20. Rc1 Qd7 21. a5 Rfd8 22. Qe2 Nf4 23. Qe3 e5 24. Bxe5 Nxg2 25. Kxg2 fxe5 26. Kf1 Qh3+ 27. Kg1 Bxf3 28. Qg5 Rd4 0-1

[Event "CHN-ch U16 Girls"]
[Site "Shenzhen"]
[Date "2023.07.28"]
[Round "2"]
[White "Yu, Yaochen"]
[Black "He, Xuanyue"]
[Result "1-0"]
[ECO "B93"]
[WhiteElo "1791"]
[BlackElo "1409"]
[PlyCount "61"]
[EventDate "2023.07.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. f4 e5 7. Nb3 Nbd7 8. g4 h6 9. g5 hxg5 10. fxg5 Nh5 11. Qf3 b5 12. a4 b4 13. Bc4 Nf4 14. Nd5 Nb6 15. Nxb6 Qxb6 16. Bxf4 exf4 17. Qxf4 Ra7 18. Rf1 Qc7 19. Bd5 Be6 20. Rf2 Qe7 21. 0-0-0 g6 22. e5 dxe5 23. Qxe5 Bxd5 24. Qb8+ Qd8 25. Qxa7 Qxg5+ 26. Kb1 Bd6 27. Qd4 Rh5 28. Rfd2 Bxb3 29. Qxd6 Be6 30. Qb8+ Ke7 31. Qd8# 1-0

[Event "CHN-chB (Women)"]
[Site "Qiziwan"]
[Date "2023.02.04"]
[Round "11"]
[White "Ou, Ruxi"]
[Black "Yu, Yaochen"]
[Result "0-1"]
[ECO "B80"]
[WhiteElo "1390"]
[PlyCount "58"]
[EventDate "2023.01.30"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e6 7. f3 b5 8. Qd2 Bb7 9. g4 h6 10. a3 Nbd7 11. 0-0-0 d5 12. exd5 Nxd5 13. Nxd5 Bxd5 14. Rg1 e5 15. g5 exd4 16. Qxd4 Bc5 17. Qxg7 Bxe3+ 18. Kb1 Bxg1 19. Re1+ Be6 20. Bh3 Qe7 21. Qxh8+ Qf8 22. Qc3 Bxh2 23. g6 Be5 24. Qc6 Ke7 25. Bxe6 fxe6 26. f4 Rc8 27. Qxa6 Nc5 28. Qxb5 Qxf4 29. b4 Qd4 0-1

[Event "CHN-chB (Women)"]
[Site "Qiziwan"]
[Date "2023.02.03"]
[Round "9"]
[White "Zhao, Yunqing"]
[Black "Yu, Yaochen"]
[Result "1/2-1/2"]
[ECO "B96"]
[WhiteElo "1538"]
[PlyCount "68"]
[EventDate "2023.01.30"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Nbd7 8. Qf3 h6 9. Bh4 e5 10. Nf5 exf4 11. Bxf6 Nxf6 12. 0-0-0 Bxf5 13. exf5 Be7 14. Kb1 0-0 15. Bc4 b5 16. Bb3 Rb8 17. Qxf4 a5 18. Rhe1 a4 19. Bd5 Qd7 20. Qb4 Rfe8 21. g4 Bf8 22. Rg1 Qc8 23. Rg3 Re5 24. a3 Qc5 25. Ba2 Qxb4 26. axb4 d5 27. Nxd5 Nxd5 28. Bxd5 Bxb4 29. Rgd3 Be7 30. Bc6 Rc8 31. Bd7 Rc4 32. h3 Rcc5 33. c3 Kh7 34. Rh1 Bh4 1/2-1/2

[Event "CHN-chB (Women)"]
[Site "Qiziwan"]
[Date "2023.02.02"]
[Round "8"]
[White "Yu, Yaochen"]
[Black "Hu, Yu A"]
[Result "1/2-1/2"]
[ECO "C24"]
[BlackElo "2056"]
[PlyCount "71"]
[EventDate "2023.01.30"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. d3 d5 5. exd5 Nxd5 6. h3 Be7 7. Bd2 0-0 8. 0-0 Nb6 9. Bb3 a5 10. a4 Bf5 11. Re1 Bd6 12. Nc3 Re8 13. Ng5 Bg6 14. h4 h5 15. Nb5 Be7 16. Qf3 Bxg5 17. Bxg5 Qd7 18. Rad1 Kh7 19. Be3 Rad8 20. c3 Nc8 21. d4 e4 22. Qg3 Nd6 23. Nxd6 cxd6 24. Bc4 Na7 25. d5 b5 26. axb5 Nxb5 27. Ra1 a4 28. Rxa4 Nxc3 29. Rb4 Na4 30. Bb5 Qb7 31. Bd2 Qxd5 32. Qe3 Nc5 33. Bxe8 Rxe8 34. Rd4 Qe6 35. Bc3 Nd3 36. Ra1 1/2-1/2

[Event "CHN-chB (Women)"]
[Site "Qiziwan"]
[Date "2023.02.02"]
[Round "10"]
[White "Yu, Yaochen"]
[Black "Wang, Chuqiao"]
[Result "0-1"]
[ECO "C54"]
[BlackElo "2083"]
[PlyCount "96"]
[EventDate "2023.01.30"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. Nbd2 a6 7. Bb3 0-0 8. 0-0 h6 9. h3 Be6 10. Re1 Bxb3 11. axb3 Re8 12. Nh4 Ne7 13. Qf3 Ng6 14. Nf5 Nh7 15. Qg3 Qg5 16. Nf1 Qxg3 17. N1xg3 Nhf8 18. Nh5 Ne6 19. Rd1 Bb6 20. Be3 Bxe3 21. Nxe3 Ngf4 22. Nxf4 Nxf4 23. h4 Ne6 24. b4 c6 25. Ra5 Nc7 26. c4 Rad8 27. f3 f6 28. d4 b6 29. Ra3 d5 30. exd5 cxd5 31. Nxd5 Nxd5 32. cxd5 Rxd5 33. Rxa6 Re6 34. Ra3 exd4 35. Kf2 Rc6 36. Ke2 Rc4 37. Rdd3 h5 38. Rdb3 Rc2+ 39. Kd3 Rxg2 40. Kc4 Rf5 41. Kxd4 Rh2 42. Re3 Rxh4+ 43. Re4 Rh2 44. Rb3 h4 45. b5 h3 46. f4 Rd2+ 47. Kc3 h2 48. Re1 Rg2 0-1

[Event "CHN-chB (Women)"]
[Site "Qiziwan"]
[Date "2023.02.02"]
[Round "7"]
[White "Zhai, Pinran"]
[Black "Yu, Yaochen"]
[Result "0-1"]
[ECO "B92"]
[WhiteElo "1594"]
[PlyCount "72"]
[EventDate "2023.01.30"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be2 e5 7. Nb3 Be7 8. a4 Be6 9. Bg5 Nbd7 10. Nd5 Bxd5 11. exd5 Nb6 12. Bxf6 Bxf6 13. a5 Nd7 14. c3 Bg5 15. Bg4 0-0 16. h4 Bh6 17. Bf5 e4 18. g4 Bf4 19. Bxe4 Re8 20. f3 Nf6 21. Qc2 Qe7 22. Kf2 Nxe4+ 23. fxe4 Qf6 24. Raf1 Qg6 25. Kf3 Be5 26. Qd3 h5 27. g5 f6 28. Qe3 f5 29. Nd2 Rf8 30. Ke2 Rae8 31. Kd3 f4 32. Qf3 Rc8 33. Nc4 Rc5 34. Nxe5 Rxd5+ 35. Kc2 Rxe5 36. Re1 d5 0-1

[Event "CHN-chB (Women)"]
[Site "Qiziwan"]
[Date "2023.02.01"]
[Round "5"]
[White "Bai, Xue"]
[Black "Yu, Yaochen"]
[Result "1/2-1/2"]
[ECO "B81"]
[WhiteElo "2102"]
[PlyCount "56"]
[EventDate "2023.01.30"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. h3 e6 7. g4 h6 8. Bg2 g5 9. Be3 Nbd7 10. a4 Ne5 11. b3 Qc7 12. Nce2 b6 13. 0-0 Be7 14. Ng3 Bb7 15. c4 Ng6 16. Qd2 Nf4 17. f3 h5 18. a5 hxg4 19. axb6 Qb8 20. hxg4 d5 21. e5 Qxe5 22. Nde2 Nxe2+ 23. Nxe2 Qh2+ 24. Kf2 Qh4+ 25. Kg1 Qh2+ 26. Kf2 Qh4+ 27. Kg1 Qh2+ 28. Kf2 Qh4+ 1/2-1/2

[Event "CHN-chB (Women)"]
[Site "Qiziwan"]
[Date "2023.02.01"]
[Round "6"]
[White "Yu, Yaochen"]
[Black "Wang, Xiaoyan"]
[Result "0-1"]
[ECO "B91"]
[BlackElo "1929"]
[PlyCount "72"]
[EventDate "2023.01.30"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 b5 7. Bg2 Bb7 8. Be3 Nbd7 9. Nd5 e6 10. Nxf6+ Nxf6 11. f3 Be7 12. Qd2 Qc7 13. g4 d5 14. g5 Nd7 15. exd5 Bxd5 16. f4 Nb6 17. Bxd5 Nxd5 18. 0-0-0 0-0 19. f5 Bb4 20. Qf2 Nxe3 21. Qxe3 exf5 22. Nxf5 Rac8 23. c3 Rfe8 24. Qd4 Bf8 25. Rd2 b4 26. Rc2 bxc3 27. Rxc3 Qa5 28. Ng3 Qxa2 29. Rf1 Rb8 30. Rc7 Rec8 31. Rxc8 Rxc8+ 32. Kd1 Qb3+ 33. Ke1 Bb4+ 34. Kf2 Bc5 35. Qxc5 Rxc5 36. Re1 Rc2+ 0-1

[Event "CHN-chB (Women)"]
[Site "Qiziwan"]
[Date "2023.01.31"]
[Round "3"]
[White "Sun, Jihan"]
[Black "Yu, Yaochen"]
[Result "1/2-1/2"]
[ECO "B96"]
[WhiteElo "1578"]
[PlyCount "96"]
[EventDate "2023.01.30"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Bg5 e6 7. f4 Nbd7 8. Qf3 h6 9. Bh4 e5 10. Nf5 exf4 11. Bxf6 Nxf6 12. Qxf4 Bxf5 13. Qxf5 Be7 14. 0-0-0 0-0 15. e5 Qa5 16. Re1 Nd5 17. Qd3 Nxc3 18. Qxc3 Qxa2 19. Bc4 Qa1+ 20. Kd2 Qa4 21. b3 Qc6 22. Qf3 Qb6 23. c3 dxe5 24. Rxe5 Qd6+ 25. Rd5 Qa3 26. Rd1 Rae8 27. Ke1 b5 28. Bd3 Qxb3 29. Kf1 g6 30. Be4 Bg5 31. R5d3 Qa3 32. Bd5 Qc5 33. g3 Re3 34. Rxe3 Bxe3 35. Qf6 Kh7 36. Bxf7 Qc4+ 37. Bxc4 Rxf6+ 38. Ke2 bxc4 39. Kxe3 Re6+ 40. Kf4 Re2 41. Rd7+ Kg8 42. Rc7 Rxh2 43. Rxc4 a5 44. Rc7 Rf2+ 45. Ke5 Rf7 46. Rc8+ Kg7 47. Ra8 Rf3 48. Ra7+ Rf7 1/2-1/2

[Event "CHN-chB (Women)"]
[Site "Qiziwan"]
[Date "2023.01.31"]
[Round "4"]
[White "Yu, Yaochen"]
[Black "Ha, Yihan"]
[Result "1-0"]
[ECO "B91"]
[BlackElo "1709"]
[PlyCount "99"]
[EventDate "2023.01.30"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 b5 9. Nd5 Nxd5 10. Qxd5 Ra7 11. Be3 Be6 12. Qd2 Rb7 13. f4 Nd7 14. b3 Nf6 15. f5 Bd7 16. h3 Bc6 17. Nc3 b4 18. Nd5 Nxd5 19. exd5 Bd7 20. 0-0 Qc8 21. Be4 Bd8 22. Bd3 Bb5 23. a3 e4 24. Bxb5+ Rxb5 25. axb4 Bf6 26. c4 Rb8 27. Bd4 Bxd4+ 28. Qxd4 0-0 29. Qxe4 Rxb4 30. Qd3 Qb7 31. Ra3 Qb6+ 32. Kg2 Re8 33. Rf2 h6 34. f6 g6 35. Re2 Rb8 36. Qd2 Kh7 37. Re7 Rxb3 38. Rxb3 Qxb3 39. Rxf7+ Kg8 40. Rg7+ Kf8 41. Rxg6 Qb2 42. Qxb2 Rxb2+ 43. Kf3 Kf7 44. Rxh6 Rc2 45. Kf4 Rxc4+ 46. Kf5 Rc3 47. Rh7+ Kg8 48. Rg7+ Kh8 49. Rg4 Rc7 50. Ke6 1-0

[Event "CHN-chB (Women)"]
[Site "Qiziwan"]
[Date "2023.01.30"]
[Round "2"]
[White "Yu, Yaochen"]
[Black "Feng, Eunice"]
[Result "1-0"]
[ECO "B91"]
[BlackElo "1528"]
[PlyCount "77"]
[EventDate "2023.01.30"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. g3 e5 7. Nde2 Be7 8. Bg2 0-0 9. h3 b5 10. Be3 Bb7 11. 0-0 Nbd7 12. Nd5 Nxd5 13. exd5 Bg5 14. f4 exf4 15. Bxf4 Re8 16. Kh2 Bxf4 17. Nxf4 Ne5 18. b3 Qb6 19. Nd3 a5 20. Re1 Nxd3 21. Qxd3 b4 22. c4 Qf2 23. Re4 f6 24. Rae1 Qxe1 25. Rxe1 Rxe1 26. c5 dxc5 27. Qb5 Ba6 28. Qc6 Ree8 29. d6 Red8 30. Qb6 Rab8 31. Qxa6 Rd7 32. Bd5+ Kh8 33. Be6 Rdd8 34. d7 h6 35. Qc6 Ra8 36. Qxc5 Ra6 37. Qc7 Raa8 38. Bd5 Rab8 39. Bb7 1-0

