[Event "CHN-ch U20"]
[Site "Shanghai"]
[Date "2024.02.21"]
[Round "11"]
[White "Li, Zhanjia"]
[Black "Cai, Yulun"]
[Result "1-0"]
[ECO "D56"]
[WhiteElo "1719"]
[BlackElo "1654"]
[PlyCount "129"]
[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. Bg5 Be7 5. e3 h6 6. Bh4 0-0 7. Nf3 Ne4 8. Bxe7 Qxe7 9. Qc2 Nxc3 10. Qxc3 dxc4 11. Bxc4 b6 12. 0-0 Bb7 13. Be2 c5 14. dxc5 Rc8 15. Qa3 Qxc5 16. Qxc5 Rxc5 17. Rfd1 Na6 18. Rd7 Rc7 19. Rxc7 Nxc7 20. Rc1 Rc8 21. Nd4 Kf8 22. Bf3 Nd5 23. Rxc8+ Bxc8 24. Bxd5 exd5 25. Kf1 Bd7 26. Ke2 Ke7 27. Kd3 Kd6 28. b4 Ke5 29. Nf3+ Kd6 30. Kd4 f6 31. Kc3 Bg4 32. Nd4 Bd7 33. f4 Kc7 34. Kd2 Kd6 35. Ke2 Ke7 36. Kf3 Kd6 37. Kg3 Ke7 38. f5 Kf7 39. Kf4 Ke7 40. g4 Kd6 41. h4 Ke7 42. g5 hxg5+ 43. hxg5 Kf7 44. Ne2 Ke7 45. Ng3 Kf7 46. g6+ Ke7 47. Nh5 Kf8 48. Kg4 Bb5 49. Nf4 Bc4 50. a3 Bb3 51. Ne6+ Kg8 52. Nc7 Bc4 53. Kf4 Kf8 54. Ne6+ Kg8 55. Nd4 Kf8 56. Nc6 a6 57. Nd4 Bb5 58. Ne6+ Kg8 59. Nc7 Bc4 60. Na8 b5 61. Nc7 Kf8 62. Nxa6 Bd3 63. Nc5 Bc4 64. a4 bxa4 65. Nxa4 1-0

[Event "CHN-ch U20"]
[Site "Shanghai"]
[Date "2024.02.20"]
[Round "10"]
[White "Cai, Yulun"]
[Black "Li, Deyang"]
[Result "1/2-1/2"]
[ECO "B90"]
[WhiteElo "1654"]
[BlackElo "1693"]
[PlyCount "40"]
[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 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. Be3 e5 7. Nb3 Be6 8. f3 h5 9. Qd2 Nbd7 10. Be2 b5 11. 0-0 Be7 12. Rfd1 Qc7 13. Rac1 Nb6 14. Qe1 d5 15. exd5 Nbxd5 16. Nxd5 Nxd5 17. Bd2 Qa7+ 18. Qf2 Qxf2+ 19. Kxf2 Nb4 20. Bxb4 Bxb4 1/2-1/2

[Event "CHN-ch U20"]
[Site "Shanghai"]
[Date "2024.02.20"]
[Round "9"]
[White "Cai, Yulun"]
[Black "Zhao, Yihan"]
[Result "1-0"]
[ECO "C01"]
[WhiteElo "1654"]
[BlackElo "1828"]
[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 e6 2. d4 d5 3. exd5 exd5 4. Bd3 Bd6 5. c3 Ne7 6. Qc2 Nbc6 7. Ne2 Bg4 8. h3 Bh5 9. Nf4 Bg6 10. Nxg6 hxg6 11. Bg5 Qd7 12. Nd2 Qe6+ 13. Kd1 0-0-0 14. Re1 Qd7 15. b4 f6 16. Be3 Nf5 17. Qa4 Kb8 18. Nb3 Rde8 19. Bb5 Nxe3+ 20. fxe3 Qf5 21. Kd2 Bf4 22. Bd3 Qg5 23. Kc2 Rxe3 24. Rxe3 Bxe3 25. Nc5 Qxg2+ 26. Kb3 Nd8 27. Ba6 bxa6 28. Qxa6 Qxh3 29. Rh1 Qf5 30. Qb5+ Kc8 31. Qa6+ Kb8 32. Rxh8 Qb1+ 33. Ka4 Qxa2+ 34. Kb5 Qc4+ 35. Ka5 Qxa6+ 36. Kxa6 Kc8 37. Nb7 Kd7 38. Rxd8+ Ke7 39. Rxd5 g5 40. Nc5 g4 41. Rd7+ 1-0

[Event "CHN-ch U20"]
[Site "Shanghai"]
[Date "2024.02.19"]
[Round "8"]
[White "Xu, Yuyang"]
[Black "Cai, Yulun"]
[Result "1/2-1/2"]
[ECO "B22"]
[WhiteElo "1769"]
[BlackElo "1654"]
[PlyCount "54"]
[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. c3 d5 4. exd5 Qxd5 5. d4 cxd4 6. Qxd4 Nf6 7. Bc4 Qxd4 8. Nxd4 a6 9. h3 Be7 10. 0-0 0-0 11. Be3 e5 12. Nf3 Nc6 13. Nbd2 b5 14. Bb3 Bf5 15. a4 b4 16. cxb4 Bxb4 17. Rfc1 Nd4 18. Bxd4 Bxd2 19. Rc5 Be6 20. Bxe6 exd4 21. Bf5 Bb4 22. Rc4 a5 23. Rxd4 g6 24. Bd3 Rac8 25. Rd1 Kg7 26. b3 Rfe8 27. g3 Rc3 1/2-1/2

[Event "CHN-ch U20"]
[Site "Shanghai"]
[Date "2024.02.19"]
[Round "7"]
[White "Zhang, Fuhan"]
[Black "Cai, Yulun"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1986"]
[BlackElo "1654"]
[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. d4 d5 2. Nf3 Nf6 3. g3 c5 4. Bg2 cxd4 5. Nxd4 e5 6. Nb3 h6 7. c4 Bb4+ 8. Bd2 Bxd2+ 9. N1xd2 d4 10. c5 0-0 11. Nc4 Qc7 12. 0-0 Na6 13. Rc1 Rb8 14. Nd6 Be6 15. e3 dxe3 16. fxe3 Rfd8 17. Rxf6 gxf6 18. Qf3 Bxb3 19. Qg4+ Kf8 20. Ne4 f5 21. Qxf5 Rd1+ 22. Rxd1 Bxd1 23. Qf6 Nxc5 24. Qxh6+ Ke7 25. Qf6+ Ke8 26. Nd6+ Kf8 27. Nf5 Ke8 28. Ng7+ Kf8 29. Nf5 Ke8 30. Nd6+ 1/2-1/2

[Event "CHN-ch U20"]
[Site "Shanghai"]
[Date "2024.02.18"]
[Round "5"]
[White "Cai, Yulun"]
[Black "Lin, Haotian"]
[Result "0-1"]
[ECO "B07"]
[WhiteElo "1654"]
[BlackElo "1789"]
[PlyCount "60"]
[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 d6 2. d4 Nf6 3. Nc3 g6 4. Be2 Bg7 5. Be3 0-0 6. h4 h5 7. f3 b6 8. Qd2 c5 9. d5 Nbd7 10. Nh3 Ne5 11. 0-0-0 Bd7 12. Nf2 b5 13. Rdg1 b4 14. Nb1 Qa5 15. a3 Bb5 16. Bg5 Rab8 17. f4 Ned7 18. c4 bxc3 19. Nxc3 Bxe2 20. Qxe2 Rb3 21. Rh3 Rfb8 22. Nfd1 c4 23. Qxc4 Qb6 24. Re1 Rxb2 25. Bxf6 Nxf6 26. Re2 Rxe2 27. Qxe2 Qc5 28. a4 Rb4 29. Kd2 Nxe4+ 30. Nxe4 Qxd5+ 0-1

[Event "CHN-ch U20"]
[Site "Shanghai"]
[Date "2024.02.18"]
[Round "6"]
[White "Cai, Yulun"]
[Black "Zhang, Jialin"]
[Result "1-0"]
[ECO "C54"]
[WhiteElo "1654"]
[PlyCount "131"]
[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. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d3 d6 6. 0-0 h6 7. a4 a5 8. Be3 Bxe3 9. fxe3 0-0 10. Nbd2 Be6 11. Qb3 Bxc4 12. Nxc4 b6 13. Qc2 Re8 14. Rae1 Qd7 15. d4 Rad8 16. d5 Ne7 17. h3 Ng6 18. Rf2 Rf8 19. Ncd2 Qe8 20. Nf1 Nd7 21. Ng3 Kh7 22. Nd2 Nc5 23. Ra1 Ra8 24. Nc4 Qd8 25. Kh2 Ne7 26. Raf1 Qe8 27. b3 f6 28. Nd2 Rf7 29. Nf3 Nd7 30. Nh4 Nf8 31. Qe2 Nfg6 32. Nf3 Nf8 33. Nd2 Nd7 34. Nh5 Ng8 35. g4 g6 36. Ng3 g5 37. Kg2 Nf8 38. Nf5 Ng6 39. Nc4 Qd7 40. Kg3 Raf8 41. Nd2 N8e7 42. Nxe7 Qxe7 43. Nf3 Kg7 44. Rh1 Rh8 45. Rfh2 Qd7 46. Nd2 Nh4 47. Rf2 Rhf8 48. Ra1 Ra8 49. Kh2 Ng6 50. Nf1 Ne7 51. Ng3 Kg6 52. Nh5 Ng8 53. Raf1 Raf8 54. Kg3 Qc8 55. Rf3 Qd7 56. Qc4 Ne7 57. Kg2 Ng8 58. Ng3 Ne7 59. R3f2 Ra8 60. Qe2 Raf8 61. Rh1 Rh8 62. Qf3 Qc8 63. Nh5 Ng8 64. h4 Qd7 65. Kg1 Rhh7 66. Qf5+ 1-0

[Event "CHN-ch U20"]
[Site "Shanghai"]
[Date "2024.02.17"]
[Round "3"]
[White "Gao, Mingze"]
[Black "Cai, Yulun"]
[Result "1/2-1/2"]
[ECO "B50"]
[WhiteElo "2104"]
[BlackElo "1654"]
[PlyCount "86"]
[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. b3 Nc6 4. Bb2 d6 5. Bb5 Bd7 6. 0-0 Nf6 7. Re1 Be7 8. Bxc6 Bxc6 9. e5 dxe5 10. Nxe5 Qc7 11. Qe2 0-0 12. Nc3 Rad8 13. d3 Bd6 14. Nxc6 Qxc6 15. Ne4 Nxe4 16. dxe4 Qc7 17. e5 Be7 18. Rad1 Rxd1 19. Rxd1 Rd8 20. h3 h6 21. a4 a6 22. Rd3 Rxd3 23. Qxd3 Qd8 24. Qxd8+ Bxd8 25. Ba3 Be7 26. c4 Kf8 27. f4 a5 28. Kf2 b6 29. Kf3 h5 30. g4 hxg4+ 31. Kxg4 g6 32. Bc1 f5+ 33. exf6 Bxf6 34. Bd2 Kf7 35. Be1 Bd8 36. Bg3 Kg7 37. Be1 Bf6 38. Bh4 Bxh4 39. Kxh4 Kf7 40. Kg5 Kg7 41. h4 Kf7 42. Kh6 Kf6 43. Kh7 Kf7 1/2-1/2

[Event "CHN-ch U20"]
[Site "Shanghai"]
[Date "2024.02.17"]
[Round "4"]
[White "Sun, Yidi"]
[Black "Cai, Yulun"]
[Result "1/2-1/2"]
[ECO "B48"]
[WhiteElo "2102"]
[BlackElo "1654"]
[PlyCount "40"]
[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 Nc6 6. Be3 Nf6 7. 0-0 Qc7 8. Nc3 b5 9. Nxc6 dxc6 10. f4 Bb7 11. e5 Nd5 12. Nxd5 cxd5 13. Bd4 Bc5 14. c3 g6 15. Qd2 Rc8 16. Rfc1 Qb6 17. Be2 0-0 18. b4 Bxd4+ 19. cxd4 Rxc1+ 20. Rxc1 Rc8 1/2-1/2

[Event "CHN-ch U20"]
[Site "Shanghai"]
[Date "2024.02.16"]
[Round "2"]
[White "Cai, Yulun"]
[Black "Zhong, Kangmin"]
[Result "1/2-1/2"]
[ECO "B30"]
[WhiteElo "1654"]
[BlackElo "2036"]
[PlyCount "43"]
[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 Nc6 3. Nc3 e5 4. Bc4 Be7 5. d3 d6 6. h3 Nf6 7. 0-0 0-0 8. a4 h6 9. Bd2 Kh7 10. Nd5 Nxd5 11. Bxd5 Be6 12. c3 Qd7 13. Qb3 Rab8 14. Be3 Bxd5 15. Qxd5 Qe6 16. Qxe6 fxe6 17. d4 exd4 18. cxd4 b6 19. Rfd1 Nb4 20. Rd2 d5 21. exd5 exd5 22. a5 1/2-1/2

[Event "CHN-ch U20"]
[Site "Shanghai"]
[Date "2024.02.16"]
[Round "1"]
[White "Wu, Taihang"]
[Black "Cai, Yulun"]
[Result "0-1"]
[ECO "E02"]
[BlackElo "1654"]
[PlyCount "80"]
[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. Nf3 e6 3. c4 d5 4. g3 dxc4 5. Bg2 c5 6. Qa4+ Nbd7 7. dxc5 Bxc5 8. Qxc4 0-0 9. 0-0 Qe7 10. Nc3 h6 11. Na4 Bd6 12. Nd4 a6 13. Qb3 Nc5 14. Nxc5 Bxc5 15. Be3 Ng4 16. Nc2 Nxe3 17. Nxe3 Rb8 18. Rac1 b5 19. Rfd1 Bb7 20. Rd3 Bxg2 21. Kxg2 Rbc8 22. Rcd1 Rfd8 23. Qc3 Bxe3 24. Rxd8+ Rxd8 25. Rxd8+ Qxd8 26. Qxe3 Qd5+ 27. Qf3 Qxa2 28. Qa8+ Kh7 29. Qe4+ f5 30. Qc2 a5 31. Kf3 a4 32. e4 Qc4 33. Qb1 Qxe4+ 34. Qxe4 fxe4+ 35. Kxe4 b4 36. Kd3 a3 37. bxa3 bxa3 38. Kc3 Kg6 39. Kb3 Kf5 40. f3 e5 0-1

