[Event "BCC op 21st"]
[Site "Hua Hin"]
[Date "2024.04.20"]
[Round "8"]
[White "Cao, Qingfeng"]
[Black "Morris, James"]
[Result "0-1"]
[ECO "E11"]
[WhiteElo "2038"]
[BlackElo "2432"]
[PlyCount "104"]
[EventDate "2024.04.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 b6 5. a3 Bxd2+ 6. Bxd2 Bb7 7. e3 d6 8. Be2 Ne4 9. 0-0 Nd7 10. b4 0-0 11. Qc2 Qe7 12. Rab1 c5 13. Rfd1 Nxd2 14. Qxd2 Nf6 15. a4 Rac8 16. bxc5 dxc5 17. a5 Bxf3 18. Bxf3 cxd4 19. exd4 Rxc4 20. axb6 axb6 21. Rxb6 Rd8 22. Qb2 h6 23. h3 Qc7 24. Rb4 Rc2 25. Qb3 Rc3 26. Qb2 Rc8 27. Qd2 Qd6 28. Rb7 Rc2 29. Qe3 Rd8 30. Qb3 Rcc8 31. Rb5 Rb8 32. Rxb8 Rxb8 33. Qc3 Rd8 34. Qc5 Qxc5 35. dxc5 Rxd1+ 36. Bxd1 Kf8 37. f4 Ke7 38. Bf3 Nd7 39. c6 Nb6 40. Kf2 Kd6 41. g4 Nd5 42. f5 Kxc6 43. h4 exf5 44. gxf5 Kd6 45. Kg3 Ke5 46. Bxd5 Kxd5 47. Kf4 Kd4 48. Kg4 Ke5 49. Kh5 Kf4 50. f6 gxf6 51. Kxh6 Kg4 52. Kg7 f5 0-1

[Event "BCC op 21st"]
[Site "Hua Hin"]
[Date "2024.04.19"]
[Round "7"]
[White "Zhao, Zong Yuan"]
[Black "Cao, Qingfeng"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2485"]
[BlackElo "2038"]
[PlyCount "67"]
[EventDate "2024.04.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Nf6 5. Nxf6+ exf6 6. c3 Bd6 7. Bd3 0-0 8. Ne2 Re8 9. Qc2 h5 10. 0-0 h4 11. Nf4 Qc7 12. g3 Nd7 13. Qd1 Nf8 14. Qh5 Qd7 15. f3 g5 16. gxh4 gxf4 17. Kh1 f5 18. Rg1+ Ng6 19. Rxg6+ fxg6 20. Qxg6+ Kh8 21. Qh5+ Kg7 22. Bd2 Qe6 23. Rg1+ Kf8 24. Qh7 Qf7 25. Qh6+ Ke7 26. Rg7 Qxg7 27. Qxg7+ Kd8 28. h5 Re7 29. Qf6 Kc7 30. c4 Re6 31. Qg7+ Re7 32. Qg5 c5 33. dxc5 Bxc5 34. b4 1-0

[Event "BCC op 21st"]
[Site "Hua Hin"]
[Date "2024.04.18"]
[Round "6"]
[White "Cao, Qingfeng"]
[Black "Nie, Xinyang"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2038"]
[BlackElo "2433"]
[PlyCount "121"]
[EventDate "2024.04.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ 4. Nbd2 d5 5. a3 Be7 6. g3 0-0 7. Bg2 b6 8. cxd5 exd5 9. 0-0 a5 10. Nb1 Bb7 11. Nc3 c5 12. Bf4 Nc6 13. e3 Ne4 14. h4 Nxc3 15. bxc3 a4 16. Ne5 Nxe5 17. Bxe5 Qd7 18. dxc5 bxc5 19. Rb1 Bc6 20. Rb6 Rae8 21. c4 Bd8 22. Rxc6 Qxc6 23. Bxd5 Qa6 24. Qa1 Qg6 25. Kh2 Re7 26. e4 Bc7 27. Bxc7 Rxc7 28. Rb1 Re7 29. Rb5 Kh8 30. Qb1 Ree8 31. f4 Rc8 32. Qd1 f6 33. Qxa4 Qh5 34. Qc2 Qf3 35. Rb3 Qf1 36. a4 h6 37. f5 Qe1 38. Qa2 Rfe8 39. Rb1 Qa5 40. Rb5 Qe1 41. Qb1 Qe2+ 42. Kh3 Kh7 43. Rb2 Rb8 44. Rxe2 Rxb1 45. Ra2 Reb8 46. e5 fxe5 47. f6 R1b6 48. a5 Ra6 49. f7 Rf8 50. h5 g5 51. Kg4 Kg7 52. Kf5 Rb8 53. Ra3 Rb1 54. Kxe5 Rf6 55. f8Q+ Rxf8 56. a6 Re1+ 57. Kd6 Rd8+ 58. Kxc5 Rc8+ 59. Kd6 Rd8+ 60. Kc7 Ree8 61. a7 1-0

[Event "BCC op 21st"]
[Site "Hua Hin"]
[Date "2024.04.17"]
[Round "5"]
[White "Pham, Tran Gia Phuc"]
[Black "Cao, Qingfeng"]
[Result "1/2-1/2"]
[ECO "B10"]
[WhiteElo "2423"]
[BlackElo "2038"]
[PlyCount "98"]
[EventDate "2024.04.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. e4 c6 2. Nf3 d5 3. d3 dxe4 4. dxe4 Qxd1+ 5. Kxd1 Nd7 6. Ne1 e5 7. a4 Nc5 8. Nd2 a5 9. Nd3 f6 10. c3 Be6 11. Kc2 Nh6 12. f3 Nf7 13. Nxc5 Bxc5 14. Nc4 Ke7 15. Be2 Rhd8 16. Bd2 Nd6 17. Nxd6 Rxd6 18. Rhd1 Rad8 19. b4 Rxd2+ 20. Rxd2 Bb3+ 21. Kxb3 Rxd2 22. Ra2 Rxa2 23. Kxa2 axb4 24. cxb4 Bxb4 25. Kb3 Be1 26. Bc4 h5 27. Bg8 h4 28. Kc4 Kd6 29. Bh7 Bf2 30. Bf5 Kc7 31. Be6 Kb6 32. Bc8 Bg1 33. g3 h3 34. Bxh3 Bxh2 35. g4 Ka5 36. Kb3 g5 37. Bf1 Bg3 38. Be2 Be1 39. Bc4 Kb6 40. Be6 Kc5 41. Bc8 b5 42. axb5 cxb5 43. Bd7 Ba5 44. Be8 b4 45. Bf7 Bd8 46. Kc2 Kd4 47. Kd2 Ba5 48. Bb3 Bb6 49. Bf7 Ba5 1/2-1/2

[Event "BCC op 21st"]
[Site "Hua Hin"]
[Date "2024.04.16"]
[Round "4"]
[White "Cao, Qingfeng"]
[Black "Deepan Chakkravarthy, J."]
[Result "1-0"]
[ECO "E66"]
[WhiteElo "2038"]
[BlackElo "2428"]
[PlyCount "65"]
[EventDate "2024.04.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "THA"]
[SourceTitle "CB18_2024"]
[SourceDate "2024.05.01"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.01"]
[SourceQuality "2"]

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 c5 5. Bg2 0-0 6. 0-0 d6 7. Nc3 Nc6 8. d5 Na5 9. Nd2 a6 10. Rb1 Rb8 11. b3 b5 12. Qc2 Bf5 13. e4 Bd7 14. Bb2 e5 15. Nd1 h5 16. f4 Ng4 17. h3 Nh6 18. f5 bxc4 19. bxc4 gxf5 20. exf5 Qg5 21. f6 Bh8 22. Qc3 Rb4 23. a3 Ra4 24. Bc1 Qg6 25. Nb2 Nf5 26. Nxa4 Nxg3 27. Rf2 Bxf6 28. Rb6 Bh4 29. Nf3 Qf6 30. Nxh4 Qxh4 31. Qxa5 Bxh3 32. Rb3 f5 33. Bxh3 1-0

[Event "CHN-ch U16"]
[Site "Shanghai"]
[Date "2024.02.21"]
[Round "11"]
[White "Cao, Qingfeng"]
[Black "Ren, Yibai"]
[Result "1-0"]
[ECO "D85"]
[WhiteElo "2016"]
[BlackElo "1584"]
[PlyCount "67"]
[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 g6 3. Nc3 d5 4. cxd5 Nxd5 5. Bd2 Bg7 6. e4 Nxc3 7. Bxc3 0-0 8. Qd2 e6 9. 0-0-0 b6 10. Nf3 Bb7 11. Qe3 Qe7 12. h4 h5 13. Bc4 Nd7 14. Rhe1 Nf6 15. Qf4 Rfd8 16. Kb1 c6 17. a3 a5 18. a4 Rab8 19. Bb3 Rbc8 20. Bc4 Rb8 21. d5 Nxe4 22. Bxg7 Kxg7 23. Qxe4 cxd5 24. Bxd5 Rxd5 25. Rxd5 Qf6 26. Qe5 Bxd5 27. Qxb8 Qf5+ 28. Kc1 Qd3 29. Qe5+ Kg8 30. Qc3 Qf5 31. b3 Qf4+ 32. Kb2 Qf5 33. Qd4 Kh7 34. Re5 1-0

[Event "CHN-ch U16"]
[Site "Shanghai"]
[Date "2024.02.20"]
[Round "9"]
[White "Cao, Qingfeng"]
[Black "Meng, Yihan"]
[Result "1/2-1/2"]
[ECO "D27"]
[WhiteElo "2016"]
[BlackElo "2001"]
[PlyCount "138"]
[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. c4 dxc4 4. e3 e6 5. Bxc4 c5 6. 0-0 a6 7. Be2 cxd4 8. Nxd4 Be7 9. b3 0-0 10. Bb2 b5 11. a4 bxa4 12. Rxa4 Bb7 13. Nd2 Nbd7 14. Nc4 Nb6 15. Ra2 Nxc4 16. Bxc4 Qb6 17. Qe2 Nd5 18. Rfa1 Bf6 19. Ra4 a5 20. h3 h6 21. Qd2 Nb4 22. Bc3 Rfd8 23. Qb2 h5 24. Qe2 Qc5 25. Rc1 Qg5 26. f4 Qg3 27. Be1 Qxe3+ 28. Qxe3 Bxd4 29. Bf2 Bxe3 30. Bxe3 Nd5 31. Bxd5 Bxd5 32. Rc5 Rdb8 33. Rcxa5 Rxa5 34. Rxa5 Rxb3 35. Bf2 Rb1+ 36. Kh2 Rb2 37. Kg1 Rd2 38. Ra4 Rd1+ 39. Kh2 Kh7 40. Rd4 Rf1 41. Rd2 Kg6 42. Re2 f6 43. g4 hxg4 44. hxg4 Bf3 45. f5+ Kg5 46. Kg3 Bxg4 47. Rxe6 Rh1 48. Re7 Rh3+ 49. Kg2 Rh7 50. Ra7 Bxf5 51. Bc5 Kg6 52. Bf8 Be6 53. Kg3 Bf7 54. Ra4 Kg5 55. Rg4+ Kh6 56. Rf4 Rh8 57. Rxf6+ Bg6 58. Rf4 Bh5 59. Rf2 Kh7 60. Rh2 Kg8 61. Bc5 Rh6 62. Be3 Rg6+ 63. Kf4 Bd1 64. Rd2 Ba4 65. Ke5 Kf7 66. Rf2+ Ke8 67. Bc5 Bb3 68. Rf8+ Kd7 69. Bd4 Ke7 1/2-1/2

[Event "CHN-ch U16"]
[Site "Shanghai"]
[Date "2024.02.20"]
[Round "10"]
[White "Yang, Siyuan"]
[Black "Cao, Qingfeng"]
[Result "1-0"]
[ECO "E19"]
[WhiteElo "1901"]
[BlackElo "2016"]
[PlyCount "173"]
[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 b6 3. Bg2 Bb7 4. d4 e6 5. 0-0 Be7 6. c4 0-0 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 a5 10. Rd1 d6 11. h4 Nd7 12. Qd3 Nf6 13. Bg5 Be4 14. Qe3 d5 15. Rac1 h6 16. Bxf6 Bxf6 17. cxd5 exd5 18. Rc6 Be7 19. Bh3 Re8 20. Qc3 Bb4 21. Qb3 Bd6 22. a4 b5 23. Nd2 bxa4 24. Qxa4 Qb8 25. b3 Bg6 26. Bg4 Qb4 27. Bf3 Qxa4 28. bxa4 Rab8 29. Ra6 Bb4 30. Nf1 Red8 31. Ne3 Be4 32. Bxe4 dxe4 33. d5 Rd6 34. Ra7 c6 35. Ra6 cxd5 36. Rxd6 Bxd6 37. Rxd5 Bc7 38. Rc5 Bb6 39. Rb5 Bc7 40. Rc5 Bb6 41. Re5 Bxe3 42. fxe3 Ra8 43. Rxe4 Kh7 44. Kf2 Kg6 45. Re5 Kf6 46. Rb5 Ke6 47. Kf3 Kd6 48. e4 Ra7 49. Kf4 Ke6 50. e3 Ra6 51. h5 Ra7 52. Rb6+ Ke7 53. Kf5 Kd7 54. e5 Ke7 55. e4 Rc7 56. Rb5 Ra7 57. e6 fxe6+ 58. Kg6 Kd6 59. e5+ Kc6 60. Kh7 Rf7 61. Rxa5 Rf5 62. Kxg7 Rxh5 63. Kf6 Rg5 64. Ra6+ Kc7 65. Rxe6 Rxg3 66. Re7+ Kc6 67. Rh7 Ra3 68. Rxh6 Rxa4 69. Ke7+ Kc7 70. Rh1 Rc4 71. e6 Rc2 72. Rf1 Rh2 73. Rc1+ Kb7 74. Kd7 Rd2+ 75. Ke8 Re2 76. e7 Rf2 77. Rc5 Kb6 78. Rc4 Kb7 79. Rg4 Kc7 80. Rg7 Rf1 81. Rf7 Rh1 82. Rf2 Kd6 83. Kf8 Rh8+ 84. Kg7 Re8 85. Kf6 Rh8 86. Rd2+ Kc7 87. Kg7 1-0

[Event "CHN-ch U16"]
[Site "Shanghai"]
[Date "2024.02.19"]
[Round "7"]
[White "Cao, Qingfeng"]
[Black "Xu, Ziyuan"]
[Result "1-0"]
[ECO "A42"]
[WhiteElo "2016"]
[BlackElo "1713"]
[PlyCount "55"]
[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 g6 2. c4 Bg7 3. Nc3 d6 4. e4 e5 5. Nge2 Nd7 6. Be3 h5 7. Qd2 Bh6 8. 0-0-0 Bxe3 9. Qxe3 Ngf6 10. h3 0-0 11. g4 exd4 12. Qxd4 b6 13. f4 Nc5 14. g5 Nfd7 15. h4 Re8 16. Ng3 Bb7 17. Bh3 a6 18. Rhe1 b5 19. e5 Bf3 20. Rd2 Nb6 21. Rf2 Bc6 22. f5 bxc4 23. fxg6 Nd3+ 24. Kb1 fxg6 25. Rf6 Nxe1 26. Rxg6+ Kf7 27. e6+ Kxg6 28. Bf5# 1-0

[Event "CHN-ch U16"]
[Site "Shanghai"]
[Date "2024.02.19"]
[Round "8"]
[White "Fan, Jingyi"]
[Black "Cao, Qingfeng"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "2109"]
[BlackElo "2016"]
[PlyCount "75"]
[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. Bf4 d5 4. e3 Bd6 5. Bd3 Bxf4 6. exf4 Qd6 7. Qd2 b6 8. Nc3 c5 9. Ne5 a6 10. h4 Bb7 11. h5 h6 12. Qe3 Nc6 13. Nxc6 Qxc6 14. Be2 cxd4 15. Qxd4 Qc5 16. 0-0-0 Qxd4 17. Rxd4 0-0-0 18. Bf3 Kb8 19. Ne2 Rc8 20. Rd3 Rc4 21. Nd4 Rhc8 22. Re1 Nd7 23. b3 R4c7 24. Kb2 b5 25. Be2 Nc5 26. Rg3 e5 27. fxe5 Ne6 28. Nxe6 Rxc2+ 29. Kb1 fxe6 30. Rd3 b4 31. f4 a5 32. Rdd1 R2c3 33. Bg4 Re8 34. f5 Rg3 35. Bf3 exf5 36. e6 d4 37. Rxd4 Be4+ 38. Bxe4 1/2-1/2

[Event "CHN-ch U16"]
[Site "Shanghai"]
[Date "2024.02.18"]
[Round "5"]
[White "Cao, Qingfeng"]
[Black "Gong, Sunle"]
[Result "1/2-1/2"]
[ECO "D05"]
[WhiteElo "2016"]
[BlackElo "2108"]
[PlyCount "56"]
[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 c6 3. Nf3 Nf6 4. e3 e6 5. Nbd2 Nbd7 6. Bd3 Bd6 7. 0-0 0-0 8. e4 e5 9. cxd5 cxd5 10. Re1 Re8 11. exd5 exd4 12. Ne4 Bb4 13. Nxf6+ Nxf6 14. Rxe8+ Nxe8 15. Qb3 Qb6 16. h3 h6 17. Bf4 Bd6 18. Qxb6 axb6 19. Re1 Bf5 20. Bxf5 Bxf4 21. g3 Bg5 22. Nxd4 Nd6 23. Bd3 g6 24. Nb5 Nxb5 25. Bxb5 Rxa2 26. b3 Rd2 27. Bc4 b5 28. Bxb5 Rxd5 1/2-1/2

[Event "CHN-ch U16"]
[Site "Shanghai"]
[Date "2024.02.18"]
[Round "6"]
[White "Wang, Puxuan"]
[Black "Cao, Qingfeng"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1540"]
[BlackElo "2016"]
[PlyCount "104"]
[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. Bf4 e6 3. Nf3 d5 4. e3 Bd6 5. Bg3 0-0 6. Bd3 c5 7. c3 Qc7 8. Ne5 Nbd7 9. f4 Ne4 10. Nd2 Nxd2 11. Qxd2 f6 12. Qc2 f5 13. Bh4 c4 14. Be2 Nxe5 15. fxe5 Be7 16. Bxe7 Qxe7 17. 0-0 b5 18. b4 Bd7 19. a3 a5 20. Kh1 g6 21. Rg1 Kh8 22. Raf1 Ra7 23. g4 axb4 24. gxf5 gxf5 25. axb4 Rfa8 26. Rg2 Be8 27. Bf3 Qh4 28. Qd2 Bg6 29. Rfg1 Kg7 30. Qe2 Kf7 31. Qd2 Ke7 32. Qe2 Kd7 33. Qd2 Ra3 34. Rc1 Kc6 35. Rcg1 Bh5 36. Bxh5 Qxh5 37. Qf2 Ra1 38. Rxa1 Rxa1+ 39. Rg1 Ra3 40. Rc1 Qg4 41. h4 Qh3+ 42. Kg1 Ra8 43. Qg2 Qxe3+ 44. Kh2 Qxc1 45. Qg3 Ra2+ 46. Qg2 Rxg2+ 47. Kxg2 Qe3 48. h5 f4 49. h6 f3+ 50. Kh2 Qg5 51. Kh3 Kd7 52. Kh2 Qg2# 0-1

[Event "CHN-ch U16"]
[Site "Shanghai"]
[Date "2024.02.17"]
[Round "3"]
[White "Cao, Qingfeng"]
[Black "Xie, Yufu"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "2016"]
[BlackElo "1621"]
[PlyCount "77"]
[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. g3 d5 4. Bg2 c6 5. Nf3 Nbd7 6. Nbd2 Bd6 7. 0-0 0-0 8. Re1 b6 9. e4 dxe4 10. Nxe4 Nxe4 11. Rxe4 Bb7 12. Re2 Nf6 13. Ne5 Qc7 14. Bg5 Nd7 15. Nd3 c5 16. dxc5 Nxc5 17. Nxc5 Bxc5 18. Bf4 Qc8 19. Bxb7 Qxb7 20. Rd2 Qe7 21. Qe2 Rfd8 22. Rad1 Rxd2 23. Qxd2 h6 24. Be5 Qb7 25. Qe2 Bf8 26. Bc3 Rc8 27. Rd4 Qc7 28. Qd3 Qc6 29. Rd7 Qxc4 30. Qxc4 Rxc4 31. Rxa7 b5 32. a3 Rc8 33. Ra5 Be7 34. Kf1 Rc5 35. Ra8+ Kh7 36. Ra7 Bf6 37. Bxf6 gxf6 38. Rxf7+ Kg6 39. Rb7 1-0

[Event "CHN-ch U16"]
[Site "Shanghai"]
[Date "2024.02.17"]
[Round "4"]
[White "Jin, Yueheng"]
[Black "Cao, Qingfeng"]
[Result "1/2-1/2"]
[ECO "E04"]
[WhiteElo "2420"]
[BlackElo "2016"]
[PlyCount "83"]
[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. g3 d5 4. Bg2 dxc4 5. Nf3 Bb4+ 6. Bd2 a5 7. Qc1 b6 8. Qxc4 Ba6 9. Qc2 Bxd2+ 10. Qxd2 0-0 11. Nc3 Nbd7 12. 0-0 c5 13. Rfd1 Rc8 14. dxc5 Nxc5 15. Ne5 Qxd2 16. Rxd2 Rfd8 17. Rad1 Rxd2 18. Rxd2 Kf8 19. Rd6 Na4 20. Bf3 Ke7 21. Rc6 Nxc3 22. Rxc3 Rxc3 23. bxc3 Nd7 24. Nxd7 Kxd7 25. Kf1 Bc4 26. a3 Bd5 27. e4 Bc4+ 28. Ke1 e5 29. Kd2 Kc6 30. Bg4 Kc5 31. Kc2 Bf1 32. Bd7 Kc4 33. Bc6 Bg2 34. Bd5+ Kc5 35. Bxf7 Bxe4+ 36. Kb2 Bd5 37. Bh5 Be6 38. Be2 Bf5 39. Kc1 Be6 40. Kd2 Bc4 41. Bg4 Bd5 42. Be2 1/2-1/2

[Event "CHN-ch U16"]
[Site "Shanghai"]
[Date "2024.02.16"]
[Round "1"]
[White "Cao, Qingfeng"]
[Black "Peng, Zongqi"]
[Result "1-0"]
[ECO "D30"]
[WhiteElo "2016"]
[BlackElo "1081"]
[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. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qc2 e6 5. Nbd2 Nbd7 6. g3 Bd6 7. Bg2 b5 8. b3 0-0 9. 0-0 Rb8 10. e4 dxe4 11. Ng5 c5 12. Ndxe4 Nxe4 13. Nxe4 Qc7 14. Nxd6 Qxd6 15. Bf4 e5 16. dxe5 Nxe5 17. Rad1 Qe7 18. cxb5 Rxb5 19. Rfe1 c4 20. bxc4 Rc5 21. Qe2 f6 22. Bd5+ Be6 23. Bxe5 Bxd5 24. cxd5 fxe5 25. Qxe5 Qxe5 26. Rxe5 Rd8 27. Rd2 Kf7 28. f4 Rd6 29. Kf2 Ra5 30. Ke3 Rda6 31. d6 Ra3+ 32. Ke4 R3a4+ 33. Kf5 g6+ 34. Kg5 h6+ 35. Kxh6 Rxa2 36. Red5 R6a5 37. Rxa5 Rxd2 38. Kg5 Rxd6 39. Rxa7+ Kg8 40. h4 Rd3 41. g4 1-0

[Event "CHN-ch U16"]
[Site "Shanghai"]
[Date "2024.02.16"]
[Round "2"]
[White "Zhang, Qijie"]
[Black "Cao, Qingfeng"]
[Result "0-1"]
[ECO "E04"]
[WhiteElo "1408"]
[BlackElo "2016"]
[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. c4 e6 3. g3 d5 4. Nf3 dxc4 5. Bg2 Bb4+ 6. Bd2 a5 7. Qc2 b6 8. Bxb4 axb4 9. Qxc4 Nd5 10. 0-0 Ba6 11. Qc2 b3 12. Qxb3 Bxe2 13. Re1 Bxf3 14. Bxf3 0-0 15. Nc3 c6 16. Rac1 b5 17. Ne4 Qb6 18. Nc5 Rd8 19. a3 h6 20. Re2 Ra7 21. Rec2 Ne7 22. Rd1 Na6 23. Nxa6 Qxa6 24. Qb4 Qb6 25. Qc5 Qxc5 26. dxc5 Rxd1+ 27. Bxd1 Rd7 28. Bf3 f5 29. g4 g6 30. Re2 Kf7 31. h4 Rd1+ 32. Kh2 Rd3 33. Re3 Rd2 34. Re2 Rd4 35. Kg3 fxg4 36. Bxg4 Nf5+ 37. Bxf5 gxf5 38. f3 Kf6 39. b4 e5 40. Ra2 Ke6 0-1

[Event "Wch U16"]
[Site "Montesilvano"]
[Date "2023.11.24"]
[Round "11"]
[White "Cao, Qingfeng"]
[Black "Savicevs, Arsenijs"]
[Result "1-0"]
[ECO "E15"]
[WhiteElo "1853"]
[BlackElo "2169"]
[PlyCount "99"]
[EventDate "2023.11.13"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ITA"]
[SourceTitle "CB48_2023"]
[SourceDate "2023.11.29"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Bg2 Bb4+ 5. Bd2 Be7 6. Qc2 0-0 7. Nf3 c6 8. 0-0 Nbd7 9. b3 b6 10. Rd1 Ba6 11. a4 Ne4 12. Ne5 Nxe5 13. Bxe4 f5 14. Bg2 Ng4 15. Be1 Qe8 16. Nd2 Rc8 17. Nf3 Bd6 18. a5 b5 19. c5 Bc7 20. b4 e5 21. h3 e4 22. hxg4 exf3 23. Bxf3 f4 24. Kg2 fxg3 25. fxg3 Qe7 26. Bd2 Rce8 27. Qd3 Bc8 28. Rh1 g6 29. Raf1 Be6 30. Rh4 Qd7 31. Rfh1 Re7 32. Bg5 Ref7 33. Qxg6+ Rg7 34. Qh6 Qf7 35. Bf4 Bxf4 36. gxf4 Qe7 37. Kg3 Rf6 38. Qh5 Rf5 39. g5 Bf7 40. Qg4 Be6 41. Qh5 Rfxg5+ 42. fxg5 Rxg5+ 43. Kf2 Rxh5 44. Rxh5 Qf6 45. R1h4 Bf7 46. Rxh7 Bg6 47. R7h6 Kg7 48. Ke1 Qg5 49. Rxg6+ Kxg6 50. Rg4 1-0

[Event "Wch U16"]
[Site "Montesilvano"]
[Date "2023.11.22"]
[Round "9"]
[White "Dreelinck, Jacob"]
[Black "Cao, Qingfeng"]
[Result "1-0"]
[ECO "B15"]
[WhiteElo "2181"]
[BlackElo "1853"]
[PlyCount "105"]
[EventDate "2023.11.13"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ITA"]
[SourceTitle "CB48_2023"]
[SourceDate "2023.11.29"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.29"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nge2 Nf6 5. Ng3 Bg4 6. Be2 Bxe2 7. Qxe2 e6 8. Ncxe4 Nbd7 9. Bf4 Nxe4 10. Nxe4 Nf6 11. Nxf6+ Qxf6 12. Be5 Qg6 13. d5 Rd8 14. 0-0-0 cxd5 15. Rhe1 Be7 16. Qb5+ Rd7 17. f4 a6 18. Qa4 Bf6 19. Kb1 Bxe5 20. Rxe5 Qg4 21. Rde1 b5 22. Qxa6 0-0 23. Qxb5 Rc7 24. g3 g6 25. Qf1 f6 26. Rxe6 Rfc8 27. Re8+ Rxe8 28. Rxe8+ Kf7 29. Re1 Qd7 30. Qd3 Qc6 31. h4 Kg7 32. g4 Qc4 33. Qd2 d4 34. b3 Qc5 35. Rd1 Qc6 36. g5 Rd7 37. Qd3 Rd6 38. a4 Rd5 39. Qe4 Qd7 40. Kb2 Rd6 41. gxf6+ Kxf6 42. Qe5+ Kf7 43. h5 gxh5 44. Rg1 Rg6 45. Qxh5 Kg7 46. Rh1 Kg8 47. f5 Rg2 48. Qf3 Rg5 49. f6 Qf5 50. f7+ Kxf7 51. Rxh7+ Kg6 52. Qxf5+ Kxf5 53. Re7 1-0

[Event "Wch U16"]
[Site "Montesilvano"]
[Date "2023.11.13"]
[Round "1"]
[White "Chyndygyr, Tamerlan"]
[Black "Cao, Qingfeng"]
[Result "1-0"]
[ECO "E32"]
[WhiteElo "2260"]
[BlackElo "1853"]
[PlyCount "83"]
[EventDate "2023.11.13"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "ITA"]
[SourceTitle "CB48_2023"]
[SourceDate "2023.11.29"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.29"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. Nf3 0-0 6. cxd5 exd5 7. Bg5 h6 8. Bh4 c5 9. dxc5 Be6 10. e3 Nbd7 11. Be2 g5 12. Bg3 Ne4 13. 0-0 Bxc3 14. bxc3 Rc8 15. Nd4 Qe7 16. c6 bxc6 17. c4 Nxg3 18. hxg3 dxc4 19. Bxc4 Bxc4 20. Qxc4 c5 21. Nf5 Qf6 22. e4 Nb6 23. Qc2 c4 24. Rad1 Rcd8 25. e5 Qxe5 26. Nxh6+ Kg7 27. Rde1 Qf6 28. Ng4 Qd4 29. Qf5 Rh8 30. Qxg5+ Kf8 31. Qe7+ Kg7 32. Ne5 Qd5 33. Rd1 Qe6 34. Qg5+ Kh7 35. Rxd8 Rxd8 36. Qxd8 Qxe5 37. Rd1 c3 38. Qd3+ Kg7 39. g4 Na4 40. Qd4 Qxd4 41. Rxd4 Nb2 42. Rd6 1-0

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.08.02"]
[Round "11"]
[White "Chen, Yuan1111"]
[Black "Cao, Qingfeng"]
[Result "0-1"]
[ECO "A30"]
[WhiteElo "2166"]
[BlackElo "1703"]
[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. Nf3 Nf6 2. c4 b6 3. b3 Bb7 4. Bb2 e6 5. e3 c5 6. Nc3 Be7 7. Be2 0-0 8. 0-0 d5 9. d4 cxd4 10. Nxd4 dxc4 11. Bxc4 a6 12. Qe2 b5 13. Bd3 Nc6 14. Qf3 Nxd4 15. Qxb7 Rb8 16. Qxa6 Rb6 17. Qxb6 Qxb6 18. exd4 b4 19. Na4 Qa5 20. Rac1 Bd6 21. h3 Qg5 22. Rfe1 Nd5 23. Be4 Nf4 24. Re3 f5 25. Bb7 Rb8 26. Bc6 Rc8 27. Bb7 Rxc1+ 28. Bxc1 Ne2+ 29. Kf1 Nxc1 30. Rxe6 Qd2 31. Bd5 Kf8 32. g4 Nd3 0-1

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.08.01"]
[Round "10"]
[White "Cao, Qingfeng"]
[Black "Shi, Jiashuo"]
[Result "1-0"]
[ECO "D56"]
[WhiteElo "1703"]
[BlackElo "1741"]
[PlyCount "85"]
[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. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. e3 Nbd7 6. Nf3 0-0 7. Rc1 c6 8. Qc2 h6 9. Bh4 Ne4 10. Bxe7 Qxe7 11. Bd3 Nxc3 12. Qxc3 dxc4 13. Qxc4 e5 14. Bb1 e4 15. Nd2 Nf6 16. Qc5 Re8 17. a3 Qe6 18. h3 Bd7 19. 0-0 Qd5 20. Nc4 b6 21. Qb4 c5 22. dxc5 Bxh3 23. gxh3 Qg5+ 24. Kh1 Qh4 25. Kg2 Qg5+ 26. Kh1 Qh4 27. Kh2 Ng4+ 28. Kg2 Qg5 29. Rg1 Nxe3+ 30. Kh1 Qh4 31. Rxg7+ Kxg7 32. Qc3+ Kh7 33. Qxe3 Re6 34. Nd6 Rf8 35. Nf5 Qf6 36. Nd4 Re5 37. c6 Qe7 38. f4 Rc5 39. Qxe4+ Qxe4+ 40. Bxe4+ Kg7 41. Rxc5 bxc5 42. Nb5 f5 43. Bd5 1-0

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.08.01"]
[Round "9"]
[White "Chen, Zhi"]
[Black "Cao, Qingfeng"]
[Result "1/2-1/2"]
[ECO "B11"]
[WhiteElo "1989"]
[BlackElo "1703"]
[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 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 e6 6. Be2 Nf6 7. 0-0 Nbd7 8. d3 Bd6 9. Bf4 Qc7 10. Bxd6 Qxd6 11. d4 dxe4 12. Qe3 0-0 13. Nxe4 Nxe4 14. Qxe4 Nf6 15. Qe3 Nd5 16. Qb3 Nf4 17. Bf3 Qc7 18. Rfd1 Rfd8 19. c4 Rd7 20. Rac1 Rad8 21. d5 c5 22. Qe3 h6 23. Rd2 Ng6 24. Rcd1 Nf8 25. Bg4 Rd6 26. dxe6 Nxe6 27. Bxe6 Rxd2 28. Rxd2 Rxd2 29. Qxd2 fxe6 30. g3 Qe5 31. Qd8+ Kh7 32. Qd3+ Kg8 1/2-1/2

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.07.31"]
[Round "8"]
[White "Cao, Qingfeng"]
[Black "Xu, Pengmo"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "1703"]
[BlackElo "1559"]
[PlyCount "75"]
[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. g3 d5 4. Bg2 Bb4+ 5. Bd2 Be7 6. Nf3 0-0 7. 0-0 Nbd7 8. Nc3 Nb6 9. c5 Nc4 10. Bc1 b6 11. b3 Na5 12. b4 Nc4 13. Nd2 Nxd2 14. Bxd2 bxc5 15. bxc5 Qd7 16. Rb1 Ba6 17. Qb3 Bc4 18. Qb7 Rfc8 19. Rb2 Kf8 20. Rfb1 c6 21. Qb4 Qd8 22. Bf4 Nh5 23. Be5 Nf6 24. Bh3 Nd7 25. Bf4 g5 26. Be3 Rab8 27. Qa4 Qc7 28. Qc2 Kg7 29. Qd2 h6 30. f4 Rxb2 31. Rxb2 Rh8 32. Rb1 f5 33. fxg5 hxg5 34. Bxg5 Rxh3 35. Kg2 Qd8 36. Bxe7 Qh8 37. Bh4 Rxh4 38. Qg5+ 1-0

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.07.31"]
[Round "7"]
[White "Chen, Zihang"]
[Black "Cao, Qingfeng"]
[Result "1/2-1/2"]
[ECO "B13"]
[WhiteElo "1607"]
[BlackElo "1703"]
[PlyCount "159"]
[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 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. Nf3 Bg4 7. 0-0 e6 8. h3 Bh5 9. Nbd2 Bd6 10. Re1 Nf6 11. Nf1 0-0 12. Bg5 Bg6 13. Bxg6 hxg6 14. Qe2 Nd7 15. Bh4 Rab8 16. Bg3 b5 17. Ne5 Ncxe5 18. dxe5 Be7 19. Nd2 Rfc8 20. Nb3 Qc4 21. Qe3 Nc5 22. Red1 Nxb3 23. axb3 Qxb3 24. Qxa7 Bc5 25. Qa2 Qxa2 26. Rxa2 b4 27. Bf4 bxc3 28. bxc3 Rb3 29. Bd2 Bb6 30. Rc1 Kh7 31. Kf1 Rc4 32. g3 Bc7 33. Re1 Bb6 34. Rc1 Rb5 35. f3 Bc7 36. f4 g5 37. Ke2 gxf4 38. gxf4 Bb6 39. Kd3 Rc8 40. Raa1 Ba5 41. Be3 Bb6 42. Bd2 Rbc5 43. Rcb1 R5c6 44. Ra6 Bf2 45. Ra2 R6c7 46. Rf1 Bh4 47. Ra5 g6 48. Rb1 Kg7 49. Ra6 Be7 50. Raa1 Bc5 51. Rh1 Rh8 52. Be1 Be7 53. Bf2 Rc4 54. Be3 Rh4 55. Raf1 Ra4 56. Rf3 Ra2 57. Bd2 Rh8 58. Rg3 Bc5 59. Rb1 Rha8 60. Rb5 Bf2 61. Rf3 Bh4 62. Rb1 R8a4 63. Rb4 R4a3 64. Rf1 Be7 65. Rb7 Bc5 66. Rb5 Ba7 67. Rfb1 d4 68. R1b3 dxc3 69. Kxc3 Ra4 70. R5b4 Bf2 71. Rxa4 Rxa4 72. Kc2 Ra1 73. Kd3 Be1 74. Be3 Ra2 75. Ke4 Bd2 76. Bxd2 Rxd2 77. Kf3 Rd1 78. Rb7 Rf1+ 79. Kg3 Re1 80. h4 1/2-1/2

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.07.30"]
[Round "6"]
[White "Cao, Qingfeng"]
[Black "Li, Shanglin"]
[Result "1/2-1/2"]
[ECO "D85"]
[WhiteElo "1703"]
[BlackElo "2142"]
[PlyCount "44"]
[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 g6 3. Nc3 d5 4. cxd5 Nxd5 5. e4 Nxc3 6. bxc3 Bg7 7. Nf3 c5 8. Bb5+ Nc6 9. 0-0 0-0 10. Be3 cxd4 11. cxd4 Bg4 12. Bxc6 bxc6 13. Rc1 Rc8 14. Rc5 Bxf3 15. gxf3 Qd7 16. Qe2 Rfd8 17. Rd1 Qh3 18. f4 Rb8 19. Rxc6 Rb2 20. Rc2 Rxc2 21. Qxc2 Qg4+ 22. Kf1 Qh3+ 1/2-1/2

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.07.30"]
[Round "5"]
[White "Ji, Jiadong"]
[Black "Cao, Qingfeng"]
[Result "0-1"]
[ECO "B11"]
[WhiteElo "1915"]
[BlackElo "1703"]
[PlyCount "90"]
[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 c6 2. Nf3 d5 3. Nc3 Bg4 4. Be2 e6 5. h3 Bh5 6. d4 Nf6 7. e5 Nfd7 8. g4 Bg6 9. h4 h5 10. gxh5 Bxh5 11. Ng5 Bxe2 12. Qxe2 Na6 13. Bd2 Nc7 14. 0-0-0 c5 15. dxc5 Nxc5 16. Rh3 f6 17. Nf3 Qd7 18. h5 0-0-0 19. h6 gxh6 20. exf6 e5 21. Rdh1 d4 22. Ne4 d3 23. Nxc5 Qxh3 24. Rxh3 dxe2 25. Ne4 Rg8 26. Rh1 Rg4 27. Ng3 Rg6 28. Nxe5 Rxf6 29. f4 Rfd6 30. Nd3 Re8 31. Ne5 Ra6 32. a3 Bg7 33. Nd3 Rg6 34. Nf5 Bf8 35. Ne3 Rg3 36. Nc4 Rf3 37. Re1 Rf1 38. Be3 Nd5 39. Kd2 Rxe1 40. Nxe1 Nxe3 41. Nxe3 Bd6 42. N1g2 Bxf4 43. Kxe2 Bxe3 44. Nxe3 Kd7 45. Kf3 Ke6 0-1

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.07.29"]
[Round "4"]
[White "Cao, Qingfeng"]
[Black "Zhou, Runyi"]
[Result "1/2-1/2"]
[ECO "D34"]
[WhiteElo "1703"]
[BlackElo "1843"]
[PlyCount "46"]
[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. Nf3 d5 4. g3 c5 5. Bg2 Nc6 6. 0-0 Be7 7. Nc3 0-0 8. cxd5 exd5 9. dxc5 Bxc5 10. Bg5 d4 11. Bxf6 Qxf6 12. Ne4 Qe7 13. Nxc5 Qxc5 14. Qd2 Bg4 15. Rac1 Qb6 16. Rfd1 Rad8 17. b3 Rfe8 18. Qb2 Bxf3 19. Bxf3 Ne5 20. Be4 Ng4 21. Bf3 Ne5 22. Be4 Ng4 23. Bf3 Ne5 1/2-1/2

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.07.29"]
[Round "3"]
[White "Chang, Luxin"]
[Black "Cao, Qingfeng"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1503"]
[BlackElo "1703"]
[PlyCount "41"]
[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 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. c3 Nd7 6. Bd3 Ne7 7. 0-0 c5 8. Be3 Qb6 9. b3 Bxd3 10. Qxd3 Nc6 11. Bg5 h6 12. Be3 cxd4 13. cxd4 Nb4 14. Qd2 Be7 15. Nc3 a5 16. Rfc1 0-0 17. Ne2 Nc6 18. Nf4 Bb4 19. Qd3 Ba3 20. Rd1 Rfc8 21. Bc1 0-1

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.07.28"]
[Round "2"]
[White "Cao, Qingfeng"]
[Black "Cai, Shibang"]
[Result "1-0"]
[ECO "E09"]
[WhiteElo "1703"]
[BlackElo "1033"]
[PlyCount "54"]
[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. c4 c6 3. Nf3 Nf6 4. Qc2 e6 5. Nbd2 Be7 6. g3 0-0 7. Bg2 Nbd7 8. 0-0 Re8 9. Rd1 Bd6 10. e4 dxe4 11. Nxe4 Nxe4 12. Qxe4 Qe7 13. Ne5 f6 14. Nxd7 Bxd7 15. Bf4 Rad8 16. Re1 Bxf4 17. Qxf4 Qb4 18. b3 e5 19. dxe5 Rxe5 20. Rxe5 fxe5 21. Qe3 b6 22. Rd1 Qe7 23. Qd2 Kf8 24. Bxc6 Ke8 25. Bxd7+ Qxd7 26. Qxd7+ Rxd7 27. Rxd7 Kxd7 1-0

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.07.28"]
[Round "1"]
[White "Ni, Fuzheng"]
[Black "Cao, Qingfeng"]
[Result "0-1"]
[ECO "A09"]
[BlackElo "1703"]
[PlyCount "42"]
[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. Nf3 Nf6 2. g3 d5 3. c4 d4 4. e3 c5 5. exd4 cxd4 6. Bg2 Nc6 7. 0-0 g6 8. Na3 Bg7 9. d3 0-0 10. Nc2 a5 11. b3 Nd7 12. a3 Nc5 13. Rb1 Bf5 14. Nce1 e5 15. b4 axb4 16. axb4 Na4 17. Bd2 Nc3 18. Bxc3 dxc3 19. Qb3 Qe7 20. Nh4 Bg4 21. f3 Nd4 0-1

[Event "CHN-chT"]
[Site "Hangzhou"]
[Date "2023.05.26"]
[Round "8.4"]
[White "Cao, Qingfeng"]
[Black "Gao, Kai"]
[Result "0-1"]
[ECO "D54"]
[WhiteElo "1723"]
[BlackElo "1812"]
[PlyCount "66"]
[EventDate "2023.05.19"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]
[WhiteTeam "Chongqing"]
[BlackTeam "Zhejiang"]
[WhiteTeamCountry "CHN"]
[BlackTeamCountry "CHN"]

1. d4 Nf6 2. c4 e6 3. Nc3 d5 4. Bg5 Be7 5. e3 0-0 6. Rc1 b6 7. cxd5 Nxd5 8. Nxd5 exd5 9. Bxe7 Qxe7 10. Ne2 Ba6 11. Nf4 Bxf1 12. Kxf1 Qd6 13. g3 Nd7 14. Kg2 Rac8 15. a3 a5 16. Qd3 Nf6 17. Rhd1 Rfd8 18. Qb5 c5 19. dxc5 Rc7 20. c6 Rxc6 21. Rc4 Rcc8 22. Rcc1 Rc5 23. Rxc5 Qxc5 24. Qd3 h6 25. Ne2 Ne4 26. Rc1 Qd6 27. Nd4 Qf6 28. Rc2 g6 29. Qb5 Kg7 30. f3 Nc5 31. b4 axb4 32. axb4 Ne6 33. Qxb6 Nf4+ 0-1

[Event "CHN-chT"]
[Site "Hangzhou"]
[Date "2023.05.25"]
[Round "7.4"]
[White "Yang, Zilong"]
[Black "Cao, Qingfeng"]
[Result "1-0"]
[ECO "B19"]
[WhiteElo "1895"]
[BlackElo "1723"]
[PlyCount "105"]
[EventDate "2023.05.19"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]
[WhiteTeam "Jiangsu"]
[BlackTeam "Chongqing"]
[WhiteTeamCountry "CHN"]
[BlackTeamCountry "CHN"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 Ngf6 11. Bd2 e6 12. 0-0-0 Be7 13. Qe2 0-0 14. Nf1 Nb6 15. c4 Qc8 16. Bc3 c5 17. b3 a5 18. dxc5 Qxc5 19. Ne3 Nbd5 20. Nxd5 exd5 21. Bd4 Qb4 22. cxd5 Nxd5 23. Qd2 Rfc8+ 24. Kb1 Rc3 25. Rc1 Rac8 26. Bxc3 Nxc3+ 27. Rxc3 Rxc3 28. Re1 a4 29. Rxe7 axb3 30. Re8+ Kh7 31. a3 Qc4 32. Re3 Rc2 33. Qd3+ Qxd3 34. Rxd3 Rxf2 35. g4 Rg2 36. Rd4 g6 37. hxg6+ fxg6 38. Rd7+ Kg8 39. Rxb7 Rxg4 40. Rxb3 h5 41. Ne5 Rg1+ 42. Kc2 Rg2+ 43. Kd3 g5 44. Ke4 Kf8 45. Kd5 h4 46. Ke6 Rg3 47. Rb8+ Kg7 48. Rb7+ Kf8 49. Ng6+ Kg8 50. Kf6 Rf3+ 51. Kxg5 Rf7 52. Rc7 Re7 53. Rxe7 1-0

[Event "CHN-chT"]
[Site "Hangzhou"]
[Date "2023.05.24"]
[Round "6.4"]
[White "Cao, Qingfeng"]
[Black "Xue, Haowen"]
[Result "0-1"]
[ECO "E12"]
[WhiteElo "1723"]
[BlackElo "2335"]
[PlyCount "102"]
[EventDate "2023.05.19"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]
[WhiteTeam "Chongqing"]
[BlackTeam "Shenzhen"]
[WhiteTeamCountry "CHN"]
[BlackTeamCountry "CHN"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. a3 Bb7 5. Nc3 d5 6. Bg5 Be7 7. e3 0-0 8. Rc1 dxc4 9. Bxc4 Nbd7 10. 0-0 a6 11. Ba2 h6 12. Bh4 c5 13. dxc5 Nxc5 14. Qe2 Qd3 15. b4 Qxe2 16. Nxe2 Nce4 17. Rc7 Bd5 18. Bxd5 Nxd5 19. Rxe7 Nxe7 20. Bxe7 Rfe8 21. Bh4 e5 22. Ra1 a5 23. b5 Rac8 24. Ne1 Rc4 25. Bg3 Nd6 26. a4 Ne4 27. Nd3 Rc2 28. Kf1 Rd2 29. Ne1 Rb2 30. Nd3 Rd2 31. Ne1 f6 32. f3 Nc5 33. e4 Rc8 34. Bf2 Nb3 35. Ra3 Rb2 36. Be3 Rc4 37. Bxb6 Nd2+ 38. Kf2 Nb1 39. Rd3 Rxa4 40. Bc7 Raa2 41. b6 Rxe2+ 42. Kg3 Rab2 43. b7 Rxb7 44. Bxa5 Rb5 45. Rd5 Rxa5 46. Rxa5 Rxe1 47. h4 Nc3 48. Ra7 h5 49. Rb7 Rb1 50. Rd7 Ne2+ 51. Kf2 Rb2 0-1

[Event "CHN-chT"]
[Site "Hangzhou"]
[Date "2023.05.22"]
[Round "4.4"]
[White "Shen, Fuyan"]
[Black "Cao, Qingfeng"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "1682"]
[BlackElo "1723"]
[PlyCount "201"]
[EventDate "2023.05.19"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]
[WhiteTeam "Shanghai"]
[BlackTeam "Chongqing"]
[WhiteTeamCountry "CHN"]
[BlackTeamCountry "CHN"]

1. d4 d5 2. c4 e6 3. Nc3 a6 4. cxd5 exd5 5. Nf3 Nf6 6. Bg5 Be6 7. e3 Nbd7 8. Bd3 Bd6 9. 0-0 c6 10. Bf4 Qc7 11. Qd2 0-0 12. h3 Rfe8 13. Rfe1 Nb6 14. b3 Rad8 15. a4 h6 16. a5 Nc8 17. Ne5 Nd7 18. Nxd7 Bxd7 19. Na4 Bxf4 20. exf4 Rxe1+ 21. Rxe1 Re8 22. Rxe8+ Bxe8 23. Qe1 Kf8 24. Nc5 Nd6 25. Qb4 Ke7 26. f5 Kd8 27. f6 gxf6 28. Qd2 h5 29. Qf4 Ke7 30. g3 Bd7 31. Kh2 Qc8 32. h4 Qh8 33. Qe3+ Kd8 34. Qd2 Ke7 35. Qe1+ Be6 36. Qb4 Bc8 37. Qe1+ Be6 38. Qb4 Bc8 39. Be2 f5 40. Nd3 Be6 41. Nf4 Kd7 42. Nxh5 Nb5 43. Bxb5 Qxh5 44. Bf1 Kc8 45. Qf8+ Kc7 46. Qe7+ Kc8 47. Qf6 Kb8 48. Qe5+ Ka7 49. Be2 Qh6 50. Qf4 Qh7 51. h5 f6 52. Qd6 Bf7 53. Qc5+ Ka8 54. Qf8+ Ka7 55. h6 f4 56. Bf3 fxg3+ 57. fxg3 Qc2+ 58. Bg2 Bg6 59. Qc5+ Qxc5 60. dxc5 Kb8 61. Kg1 Kc7 62. Kf2 Kd7 63. Bh3+ f5 64. g4 Ke7 65. gxf5 Bh7 66. f6+ Kxf6 67. Bc8 Bd3 68. Ke3 Bb5 69. Bf5 Bf1 70. Kd4 Bb5 71. h7 Kg7 72. Ke5 Be2 73. Kd6 d4 74. Kc7 d3 75. Kxb7 d2 76. Bc2 Bd3 77. Bd1 Bb5 78. Kc7 Kxh7 79. Kd6 Kg6 80. Ke5 Kf7 81. Kd4 Ke6 82. Bg4+ Kf6 83. Kc3 Ke5 84. Bd1 Ke4 85. Kxd2 Kd4 86. Bf3 Kxc5 87. Kc3 Bf1 88. b4+ Kb5 89. Bg4 Bc4 90. Bd7 Bf1 91. Bc8 Be2 92. Bh3 Bc4 93. Bc8 Be2 94. Bb7 c5 95. bxc5 Kxc5 96. Bxa6 Bxa6 97. Kb3 Bb5 98. Kc3 Bc4 99. Kc2 Kb5 100. Kc3 Kxa5 101. Kxc4 1/2-1/2

[Event "CHN-chT"]
[Site "Hangzhou"]
[Date "2023.05.20"]
[Round "2.4"]
[White "Yang, Sheng"]
[Black "Cao, Qingfeng"]
[Result "0-1"]
[ECO "E17"]
[BlackElo "1723"]
[PlyCount "52"]
[EventDate "2023.05.19"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]
[WhiteTeam "Hainan"]
[BlackTeam "Chongqing"]
[WhiteTeamCountry "CHN"]
[BlackTeamCountry "CHN"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. 0-0 0-0 7. Bf4 d6 8. Nbd2 Nh5 9. Be3 f5 10. Nb3 Qe8 11. Rc1 a5 12. Rc2 Nd7 13. h3 Rd8 14. d5 e5 15. Bd2 a4 16. Nc1 Nc5 17. Bc3 Ne4 18. Nd2 Nxc3 19. Rxc3 e4 20. Kh2 Bf6 21. Rc2 e3 22. fxe3 Qxe3 23. Nf3 Nxg3 24. Rg1 Ne4 25. Rd2 Qf4+ 26. Kh1 Nf2# 0-1

[Event "CHN-chT"]
[Site "Hangzhou"]
[Date "2023.05.19"]
[Round "1.4"]
[White "Cao, Qingfeng"]
[Black "Gong, Bonuonuo"]
[Result "1-0"]
[ECO "E85"]
[WhiteElo "1723"]
[BlackElo "1521"]
[PlyCount "77"]
[EventDate "2023.05.19"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]
[WhiteTeam "Chongqing"]
[BlackTeam "Chengdu"]
[WhiteTeamCountry "CHN"]
[BlackTeamCountry "CHN"]

1. d4 g6 2. c4 Bg7 3. Nc3 d6 4. e4 Nf6 5. f3 0-0 6. Be3 Re8 7. Nge2 e5 8. Qd2 Nbd7 9. h4 exd4 10. Nxd4 Nh5 11. Bf2 Be5 12. Nde2 Nb6 13. g4 Qf6 14. Qd3 Bxc3+ 15. Qxc3 Qxc3+ 16. Nxc3 Nf4 17. 0-0-0 Ne6 18. a4 Nd7 19. Bg3 b6 20. Bd3 Ndc5 21. Bc2 Ba6 22. b3 Nd7 23. f4 Nf6 24. Rhg1 Nc5 25. Nd5 Nxd5 26. exd5 Ne4 27. Be1 Re7 28. h5 Rae8 29. Bh4 f6 30. hxg6 hxg6 31. Bxe4 Rxe4 32. Bxf6 Rxf4 33. g5 Bc8 34. Rh1 Bf5 35. Rh8+ Kf7 36. Rh7+ Kf8 37. Rdh1 Re2 38. Rh8+ Kf7 39. R1h7# 1-0

[Event "CHN-ch sf"]
[Site "Hefei"]
[Date "2023.04.28"]
[Round "11"]
[White "Cao, Qingfeng"]
[Black "Zhu, Yilun"]
[Result "0-1"]
[ECO "D41"]
[WhiteElo "1651"]
[BlackElo "2190"]
[PlyCount "138"]
[EventDate "2023.04.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 c5 5. cxd5 Nxd5 6. e4 Nxc3 7. bxc3 cxd4 8. cxd4 Bb4+ 9. Bd2 Bxd2+ 10. Qxd2 0-0 11. Bc4 Nd7 12. 0-0 Nf6 13. Qe3 b6 14. Ne5 Bb7 15. f3 Qe7 16. a4 Nd7 17. Ng4 a6 18. Rab1 Rfc8 19. Qb3 Rc7 20. Rfd1 Rac8 21. Ne3 Qg5 22. Kh1 h5 23. d5 exd5 24. exd5 Qf4 25. Rbc1 b5 26. axb5 axb5 27. Qxb5 Qxe3 28. d6 Rxc4 29. Rxc4 Rxc4 30. Qxc4 Bxf3 31. Rf1 Qe2 32. Qxe2 Bxe2 33. Re1 Bc4 34. h4 g6 35. g3 Kg7 36. Kg2 Kf6 37. Kf3 Bd5+ 38. Kf4 Nc5 39. Rd1 Ke6 40. g4 hxg4 41. Kxg4 Ne4 42. d7 Nf6+ 43. Kg5 Nxd7 44. h5 gxh5 45. Re1+ Ne5 46. Kxh5 Kf5 47. Ra1 Kf4 48. Kh4 f5 49. Kh3 Ng4 50. Rf1+ Bf3 51. Kh4 Ne5 52. Kh3 Ke3 53. Ra1 f4 54. Ra7 Be4 55. Ra4 Bf5+ 56. Kh2 Nd3 57. Ra7 f3 58. Re7+ Kf4 59. Rf7 Ne5 60. Rf8 Ng4+ 61. Kg1 Ke4 62. Re8+ Kd3 63. Re7 Be4 64. Rg7 f2+ 65. Kf1 Ke3 66. Rxg4 Bd3+ 67. Kg2 f1Q+ 68. Kh2 Be4 69. Kg3 Bf5 0-1

[Event "CHN-ch sf"]
[Site "Hefei"]
[Date "2023.04.27"]
[Round "9"]
[White "Cao, Qingfeng"]
[Black "Wang, Jiaxuan"]
[Result "1-0"]
[ECO "A42"]
[WhiteElo "1651"]
[PlyCount "99"]
[EventDate "2023.04.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. c4 Bg7 4. Nc3 0-0 5. g3 d6 6. Bg2 Nfd7 7. 0-0 Nc6 8. e4 e5 9. Be3 exd4 10. Nxd4 Nde5 11. b3 Ng4 12. Nxc6 Nxe3 13. Qd3 bxc6 14. Qxe3 Bb7 15. Rad1 c5 16. Qd3 f5 17. exf5 Bxg2 18. Kxg2 Rxf5 19. f4 Bxc3 20. Qxc3 Qf6 21. Qf3 Rf8 22. h4 h6 23. Rd5 Re8 24. Rd2 Qe7 25. Rff2 Rf6 26. h5 Qe4 27. hxg6 Rxg6 28. Rde2 Qxf3+ 29. Kxf3 Rge6 30. Rxe6 Rxe6 31. Rf1 Kg7 32. Rh1 c6 33. Rd1 h5 34. f5 Re5 35. Kf4 Re2 36. Rd3 d5 37. Rxd5 Rc2 38. Rd6 Rxa2 39. Kg5 Rg2 40. Rd7+ Kg8 41. Rd3 Kf7 42. Kxh5 Kf6 43. Kg4 Rf2 44. Rd6+ Ke5 45. Re6+ Kd4 46. f6 a5 47. Kg5 a4 48. bxa4 Kxc4 49. Re4+ Kd5 50. Rf4 1-0

[Event "CHN-ch sf"]
[Site "Hefei"]
[Date "2023.04.27"]
[Round "10"]
[White "Fan, Jingyi"]
[Black "Cao, Qingfeng"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1886"]
[BlackElo "1651"]
[PlyCount "105"]
[EventDate "2023.04.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. Bf4 c5 4. e3 Nc6 5. Nbd2 cxd4 6. exd4 a6 7. c3 Bf5 8. Qb3 Na5 9. Qd1 e6 10. a4 Bd6 11. Bxd6 Qxd6 12. Ne5 Nc6 13. f4 Qc7 14. Bd3 Nxe5 15. fxe5 Bxd3 16. exf6 Qf4 17. Qf3 Qxf3 18. gxf3 gxf6 19. Rg1 a5 20. Kf2 b6 21. Ke3 Bf5 22. c4 0-0-0 23. c5 bxc5 24. Rgc1 c4 25. b3 Kb7 26. bxc4 dxc4 27. Rxc4 e5 28. Ra2 exd4+ 29. Kf4 Be6 30. Rb2+ Ka8 31. Rc5 Rd5 32. Rbb5 Rxc5 33. Rxc5 Kb7 34. Rxa5 Kc6 35. Ke4 Rd8 36. Kd3 Rd5 37. Rxd5 Kxd5 38. Ne4 f5 39. Nf6+ Ke5 40. Nxh7 Bd7 41. a5 Bb5+ 42. Kd2 Kf4 43. Nf6 Kxf3 44. h4 Kf4 45. Nh7 Kg4 46. Ng5 Bc4 47. Nf3 Bd5 48. Nxd4 f4 49. Ke1 Kxh4 50. Kf2 Kg5 51. a6 Kf6 52. Nb5 Ke5 53. a7 1/2-1/2

[Event "CHN-ch sf"]
[Site "Hefei"]
[Date "2023.04.26"]
[Round "8"]
[White "Bai, Changlin"]
[Black "Cao, Qingfeng"]
[Result "0-1"]
[ECO "D11"]
[WhiteElo "1910"]
[BlackElo "1651"]
[PlyCount "58"]
[EventDate "2023.04.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. g3 d5 3. Bg2 c6 4. Nf3 Bf5 5. 0-0 Nbd7 6. b3 h6 7. c4 e6 8. Bb2 Be7 9. Nc3 0-0 10. Rc1 Ne4 11. e3 Ndf6 12. Ne2 a5 13. Ne5 a4 14. bxa4 Qb6 15. Ba1 Qa6 16. f3 Nd6 17. c5 Nc4 18. Nxc4 dxc4 19. e4 Bh7 20. Qc2 Qxa4 21. Qxa4 Rxa4 22. Nc3 Ra3 23. Rb1 Ra7 24. f4 Rd8 25. Rb4 Rxd4 26. Nb5 Rd2 27. Nd6 Ra4 28. a3 Rxa3 29. Bf3 Raa2 0-1

[Event "CHN-ch sf"]
[Site "Hefei"]
[Date "2023.04.26"]
[Round "7"]
[White "Cao, Qingfeng"]
[Black "Zhou, Yichen"]
[Result "0-1"]
[ECO "E18"]
[WhiteElo "1651"]
[BlackElo "1824"]
[PlyCount "325"]
[EventDate "2023.04.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Bb4+ 5. Bd2 Be7 6. Bg2 0-0 7. 0-0 c6 8. Qb3 b6 9. Nc3 Bb7 10. Bf4 Nbd7 11. cxd5 exd5 12. Rad1 Nh5 13. Bc1 f5 14. Ne5 Kh8 15. Qa4 b5 16. Qc2 g6 17. Bh6 Ng7 18. e3 Nf6 19. Ne2 Qd6 20. Rc1 Nd7 21. Bf4 Nxe5 22. Bxe5 Qd7 23. Nf4 Kg8 24. Bxg7 Kxg7 25. Nd3 Bd6 26. Nc5 Bxc5 27. Qxc5 Rfc8 28. Qc2 Re8 29. Qd2 Re6 30. Rc5 Rd6 31. Rfc1 a6 32. Qa5 Qd8 33. Qc3 Qd7 34. Bf1 Qe7 35. Bd3 Qf7 36. a4 Re8 37. Bf1 Re7 38. Bg2 Rde6 39. Qd2 Qf6 40. R5c3 Qf7 41. h4 h6 42. Qd1 g5 43. Qf3 Qf6 44. hxg5 hxg5 45. axb5 axb5 46. Ra3 f4 47. exf4 Qxd4 48. fxg5 Qxb2 49. Rf1 Rf7 50. Qg4 Rg6 51. Rf3 Re7 52. Qf5 Kh7 53. Rf4 Qg7 54. Rh4+ Kg8 55. f4 Rge6 56. Qh3 Re1 57. Rh6 Rxf1+ 58. Bxf1 b4 59. f5 Bc8 60. g6 Bxf5 61. Qh4 Qe5 62. Bg2 Qa1+ 63. Kh2 Re8 64. Qxb4 Qg7 65. Rh5 Bxg6 66. Rh4 Bf5 67. Qd6 Qg6 68. Qf4 Re7 69. Qb8+ Qe8 70. Qf4 Qg6 71. Qb8+ Qe8 72. Qd6 Rh7 73. Rxh7 Kxh7 74. Qf6 Qg6 75. Qe7+ Qg7 76. Qc5 Qh6+ 77. Kg1 Qe6 78. Kh2 Kg7 79. Qc3+ Kf7 80. Qd4 Qd6 81. Qf2 Ke6 82. Qe3+ Kd7 83. Qa7+ Qc7 84. Qd4 Qd6 85. Qa7+ Ke6 86. Qe3+ Qe5 87. Qc5 Qd6 88. Qe3+ Kf7 89. Qf2 Kg6 90. Qd4 Qf6 91. Qc5 Qe6 92. Qd4 Be4 93. Qe3 Kg7 94. Qg5+ Kh7 95. Bh3 Qd6 96. Bf5+ Bxf5 97. Qxf5+ Kg7 98. Qg5+ Kf7 99. Qf5+ Ke7 100. Qh7+ Kd8 101. Qh8+ Kc7 102. Qg7+ Kb6 103. Qb2+ Ka7 104. Qg7+ Kb8 105. Qh8+ Ka7 106. Qg7+ Kb6 107. Qb2+ Ka5 108. Qc3+ Ka4 109. Qc2+ Kb4 110. Qb2+ Ka5 111. Qc3+ Ka6 112. Qa1+ Kb5 113. Qf1+ Kc5 114. Qc1+ Kd4 115. Qd2+ Ke5 116. Qf4+ Ke6 117. Qh6+ Kd7 118. Qg7+ Qe7 119. Qg4+ Kc7 120. Qd4 Qe2+ 121. Kg1 Kd6 122. Qf6+ Kc5 123. Qc3+ Qc4 124. Qa5+ Qb5 125. Qc3+ Kb6 126. Kh2 c5 127. Qf6+ Qc6 128. Qb2+ Kc7 129. Qg7+ Qd7 130. Qc3 c4 131. Qa5+ Kc6 132. Qa4+ Kd6 133. Qa3+ Ke6 134. Qe3+ Kf6 135. Qh6+ Ke7 136. Qg7+ Kd6 137. Qf8+ Kc6 138. Qa8+ Qb7 139. Qa4+ Qb5 140. Qa8+ Kc5 141. Qf8+ Kd4 142. Qf4+ Kc3 143. g4 d4 144. g5 d3 145. Qc1+ Kb4 146. Qb2+ Kc5 147. Qe5+ Kb6 148. Qd6+ Qc6 149. Qb4+ Kc7 150. Qe7+ Kc8 151. Qf8+ Kd7 152. Qf7+ Kd6 153. g6 d2 154. Qf8+ Ke5 155. Qe7+ Kf5 156. Qf7+ Ke4 157. Qe7+ Kd3 158. g7 Qh6+ 159. Kg2 Qg6+ 160. Kf2 d1Q 161. Qd8+ Kc2 162. g8Q Qdg1+ 163. Ke2 0-1

[Event "CHN-ch sf"]
[Site "Hefei"]
[Date "2023.04.25"]
[Round "6"]
[White "Wang, Zihang"]
[Black "Cao, Qingfeng"]
[Result "0-1"]
[ECO "B12"]
[BlackElo "1651"]
[PlyCount "120"]
[EventDate "2023.04.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nd2 e6 5. Nb3 Nd7 6. Nf3 a6 7. Be2 c5 8. c3 cxd4 9. cxd4 Ne7 10. 0-0 Nc6 11. Bg5 Be7 12. Bxe7 Qxe7 13. Qd2 0-0 14. Rac1 Rac8 15. Na5 Ndb8 16. Nxc6 Nxc6 17. Rfe1 Bg4 18. Qc3 Bxf3 19. Bxf3 g6 20. Qd2 Qb4 21. Rcd1 Qxd2 22. Rxd2 Ne7 23. g3 Rc7 24. Red1 Rfc8 25. Be2 Nf5 26. Bg4 Ne7 27. Be2 Rc2 28. Kg2 Rxd2 29. Rxd2 Rc1 30. Kf3 g5 31. Bd1 Nc6 32. Ke2 h6 33. f4 gxf4 34. gxf4 Ra1 35. b3 Nb4 36. a4 Rc1 37. Ke3 Rc3+ 38. Ke2 Kf8 39. Kf1 Nd3 40. f5 exf5 41. Bc2 Nc1 42. Bxf5 Nxb3 43. Rb2 Nxd4 44. Bg4 Rb3 45. Rxb3 Nxb3 46. Ke2 Nc5 47. Bf3 Nxa4 48. Kd3 b5 49. Bxd5 Nb6 50. Bc6 Ke7 51. Kd4 Nd7 52. Bd5 a5 53. Bc6 b4 54. Ba4 Nb6 55. Bd1 Nd7 56. Ba4 Ke6 57. Bb3+ Kf5 58. Bxf7 Nxe5 59. Bd5 Ng4 60. Kc4 Ne3+ 0-1

[Event "CHN-ch sf"]
[Site "Hefei"]
[Date "2023.04.24"]
[Round "3"]
[White "Cao, Qingfeng"]
[Black "Wu, Yixing"]
[Result "0-1"]
[ECO "D27"]
[WhiteElo "1651"]
[BlackElo "1972"]
[PlyCount "62"]
[EventDate "2023.04.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 dxc4 5. e3 a6 6. a4 c5 7. Bxc4 Nc6 8. 0-0 Be7 9. Qe2 0-0 10. Rd1 Qb6 11. dxc5 Bxc5 12. Bd3 Rd8 13. a5 Qc7 14. Na4 Qxa5 15. Bd2 Bb4 16. Bxb4 Qxb4 17. Ne5 Nxe5 18. Bxh7+ Kxh7 19. Rd3 Rd7 20. Rxd7 Nc6 21. Rd8 g6 22. Qc2 Qc5 23. Rd3 Qe7 24. Nb6 Rb8 25. e4 e5 26. Nd5 Nxd5 27. exd5 Nb4 28. d6 Qf6 29. Qc7 Nxd3 30. f3 Ra8 31. Rd1 e4 0-1

[Event "CHN-ch sf"]
[Site "Hefei"]
[Date "2023.04.24"]
[Round "4"]
[White "Zhang, Fuhan"]
[Black "Cao, Qingfeng"]
[Result "1-0"]
[ECO "A05"]
[WhiteElo "2160"]
[BlackElo "1651"]
[PlyCount "63"]
[EventDate "2023.04.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. Nf3 Nf6 2. g3 b6 3. Bg2 Bb7 4. 0-0 e6 5. d3 d5 6. Nc3 Be7 7. e4 c5 8. exd5 Nxd5 9. Nxd5 Qxd5 10. c4 Qd8 11. d4 cxd4 12. Nxd4 Bxg2 13. Kxg2 0-0 14. Qf3 Na6 15. Nc6 Qc7 16. Bf4 Qb7 17. Rad1 Rfc8 18. Nxe7+ Qxe7 19. Bd6 Qd7 20. Bb8 Nxb8 21. Rxd7 Nxd7 22. b3 Nc5 23. Rd1 f5 24. Rd6 Re8 25. b4 Ne4 26. Rd7 a5 27. Qf4 Rac8 28. f3 Nf6 29. Rb7 h6 30. Rxb6 e5 31. Qxf5 Rxc4 32. Qg6 1-0

[Event "CHN-ch sf"]
[Site "Hefei"]
[Date "2023.04.23"]
[Round "2"]
[White "Cao, Qingfeng"]
[Black "Zhu, Lian"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "1651"]
[PlyCount "75"]
[EventDate "2023.04.23"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 214 Extra"]
[Source "ChessBase"]
[SourceDate "2023.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 d5 3. c4 c6 4. Qc2 e6 5. g3 Bd6 6. Bg2 0-0 7. 0-0 Nbd7 8. Nbd2 e5 9. cxd5 cxd5 10. dxe5 Nxe5 11. Nxe5 Bxe5 12. Nf3 Bd6 13. Bf4 Be6 14. Rfd1 Rc8 15. Qd3 Bc5 16. Be5 Nd7 17. Bc3 Nf6 18. Nd4 a6 19. a4 Qe7 20. Nf5 Bxf5 21. Qxf5 Qe6 22. Bh3 Qxf5 23. Bxf5 Rcd8 24. e3 Ne4 25. Bd4 Bxd4 26. Rxd4 Nf6 27. a5 g6 28. Bh3 Rd6 29. Bg2 Rfd8 30. Rad1 R6d7 31. h4 Kf8 32. g4 Rb8 33. g5 Ne8 34. Rxd5 Rxd5 35. Rxd5 b6 36. Rd7 Ng7 37. Be4 Ne6 38. Bd5 1-0

[Event "CHN-chTB"]
[Site "Hefei"]
[Date "2023.04.22"]
[Round "9"]
[White "Cao, Qingfeng"]
[Black "Cai, Zhuoran"]
[Result "1/2-1/2"]
[ECO "E94"]
[WhiteElo "1651"]
[BlackElo "1860"]
[PlyCount "121"]
[EventDate "2023.04.17"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Chongqing Qilin"]
[BlackTeam "Tianjin Yipin"]
[WhiteTeamCountry "CHN"]
[BlackTeamCountry "CHN"]

1. d4 d6 2. Nf3 Nf6 3. c4 g6 4. Nc3 Bg7 5. e4 0-0 6. Be2 e5 7. 0-0 Nbd7 8. d5 Ne8 9. b4 a5 10. bxa5 Rxa5 11. a4 f5 12. Ba3 b6 13. Bb4 Ra8 14. a5 bxa5 15. Rxa5 Rxa5 16. Bxa5 Nc5 17. Nd2 Bh6 18. exf5 Bxf5 19. Nb3 Nxb3 20. Qxb3 Bd2 21. Rd1 Qg5 22. Bf1 Nf6 23. Qb2 Bf4 24. g3 Ng4 25. h4 Qh6 26. Qe2 Bg5 27. Ne4 Bxe4 28. Qxg4 Bf3 29. Qxg5 Qxg5 30. hxg5 Bxd1 31. Bxc7 Rc8 32. Bxd6 Bb3 33. Bh3 Rxc4 34. Be6+ Kg7 35. Bxe5+ Kf8 36. Bd6+ Ke8 37. Bf4 Rd4 38. Be3 Rd1+ 39. Kg2 Bxd5+ 40. Bxd5 Rxd5 41. Kf3 Kf7 42. Ke4 Ke6 43. f4 Ra5 44. g4 Ra4+ 45. Bd4 Ra5 46. Be3 Ra4+ 47. Bd4 Ra2 48. f5+ Kf7 49. Kf4 Rd2 50. Ke4 Rh2 51. Kf4 Rh3 52. Bf2 Rb3 53. Bd4 Rb1 54. Ke4 Rf1 55. Be3 Ke8 56. Bc5 Kd7 57. Ke5 Ke8 58. Ke6 Rf4 59. Bd6 Rf3 60. Kf6 Rf1 61. Ke6 1/2-1/2

[Event "CHN-chTB"]
[Site "Hefei"]
[Date "2023.04.21"]
[Round "7"]
[White "Jiang, Liu"]
[Black "Cao, Qingfeng"]
[Result "1/2-1/2"]
[ECO "E19"]
[WhiteElo "1626"]
[BlackElo "1651"]
[PlyCount "115"]
[EventDate "2023.04.17"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Heilongjiang"]
[BlackTeam "Chongqing Qilin"]
[WhiteTeamCountry "CHN"]
[BlackTeamCountry "CHN"]

1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. g3 Bb7 5. Bg2 Be7 6. Nc3 0-0 7. 0-0 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. b3 a5 11. Bb2 Nd7 12. Qc2 f5 13. Ng5 Bxg2 14. Nxe6 Be4 15. Qd2 Qc8 16. d5 f4 17. Nxf8 Qxf8 18. f3 Bg6 19. Qxf4 Qxf4 20. gxf4 Nc5 21. Bd4 Rf8 22. e3 Nd3 23. Rad1 Nb4 24. Rd2 Nc2 25. Rc1 Nxd4 26. Rxd4 Bh5 27. Rf1 Bf6 28. Rd3 Bb2 29. Rd2 Ba3 30. Kg2 Bc5 31. Re2 a4 32. Kg3 axb3 33. axb3 b5 34. e4 Rb8 35. e5 bxc4 36. bxc4 Rb3 37. e6 Kf8 38. Ra2 Ke7 39. Ra4 Rc3 40. Ra8 Rxc4 41. Rg8 Bd4 42. Rd1 Bf6 43. Rd3 Be8 44. Rb3 Rc1 45. Rb8 Rg1+ 46. Kf2 Bd4+ 47. Ke2 Bg6 48. f5 Bh5 49. Rbd8 Bb6 50. Rd7+ Kf6 51. Rf8+ Ke5 52. e7 Rg2+ 53. Kf1 Rg1+ 54. Ke2 Rg2+ 55. Kf1 Rg1+ 56. Ke2 Rg2+ 57. Kf1 Rg1+ 58. Ke2 1/2-1/2

[Event "CHN-chTB"]
[Site "Hefei"]
[Date "2023.04.21"]
[Round "8"]
[White "Zhang, Zhi"]
[Black "Cao, Qingfeng"]
[Result "1/2-1/2"]
[ECO "E06"]
[WhiteElo "1626"]
[BlackElo "1651"]
[PlyCount "100"]
[EventDate "2023.04.17"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Beijing"]
[BlackTeam "Chongqing Qilin"]
[WhiteTeamCountry "CHN"]
[BlackTeamCountry "CHN"]

1. Nf3 Nf6 2. c4 e6 3. Nc3 d5 4. d4 c6 5. g3 Be7 6. Bg2 0-0 7. 0-0 b6 8. Bf4 Ba6 9. cxd5 cxd5 10. a3 Nh5 11. Be3 f5 12. Qd2 Bb7 13. b4 a6 14. Rfc1 b5 15. Bf4 Nxf4 16. Qxf4 Bd6 17. Qe3 Qe7 18. Ne5 Bxe5 19. Qxe5 Nd7 20. Qc7 Rab8 21. a4 Rfc8 22. Qa5 Bc6 23. axb5 axb5 24. Nxb5 Rxb5 25. Rxc6 Rxc6 26. Qxb5 Rb6 27. Qd3 Qxb4 28. Rd1 Qa4 29. Bf3 Rb4 30. g4 f4 31. g5 Nf8 32. e4 Rb3 33. Qe2 dxe4 34. Qxe4 Qa3 35. Bg4 Qd6 36. Re1 Rb4 37. Bxe6+ Nxe6 38. Qxe6+ Qxe6 39. Rxe6 Rxd4 40. Kg2 Ra4 41. h4 Kf7 42. Rb6 Rc4 43. Kf3 Ra4 44. Kg4 f3+ 45. Kg3 Ra3 46. h5 Rc3 47. Rb4 Ra3 48. Rf4+ Ke6 49. g6 hxg6 50. hxg6 Ra1 1/2-1/2

[Event "CHN-chTB"]
[Site "Hefei"]
[Date "2023.04.19"]
[Round "5"]
[White "Cao, Qingfeng"]
[Black "Li, Guohao"]
[Result "0-1"]
[ECO "E15"]
[WhiteElo "1651"]
[BlackElo "1990"]
[PlyCount "82"]
[EventDate "2023.04.17"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Chongqing Qilin"]
[BlackTeam "Wuxi High Level"]
[WhiteTeamCountry "CHN"]
[BlackTeamCountry "CHN"]

1. d4 Nf6 2. Nf3 e6 3. c4 b6 4. g3 Ba6 5. Nbd2 d5 6. cxd5 exd5 7. Bg2 Bd6 8. Ne5 0-0 9. 0-0 Re8 10. Ndf3 Ne4 11. Bf4 Bb7 12. Qb3 Nd7 13. Rac1 c5 14. Nxd7 Bxf4 15. gxf4 Qxd7 16. Rfd1 c4 17. Qc2 f6 18. Nd2 Nd6 19. Nf1 b5 20. Qd2 a5 21. Rc3 Qg4 22. Rf3 Ne4 23. Qc2 b4 24. Ne3 Qe6 25. Bh3 Qf7 26. Ng2 a4 27. a3 b3 28. Qc1 Nd6 29. f5 Rxe2 30. Ne3 c3 31. Qxc3 Ne4 32. Qb4 Rxb2 33. Bg2 Rc8 34. Qa5 Nc3 35. Re1 Ne2+ 36. Kh1 Nxd4 37. Rg3 Nc2 38. Rg1 Nxe3 39. fxe3 d4 40. exd4 Rxg2 41. R3xg2 Qd5 0-1

[Event "CHN-chTB"]
[Site "Hefei"]
[Date "2023.04.19"]
[Round "4"]
[White "Li, Wenxiang"]
[Black "Cao, Qingfeng"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2250"]
[BlackElo "1651"]
[PlyCount "171"]
[EventDate "2023.04.17"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Qingdao Qingwei"]
[BlackTeam "Chongqing Qilin"]
[WhiteTeamCountry "CHN"]
[BlackTeamCountry "CHN"]

1. c4 e6 2. Nc3 d5 3. d4 a6 4. cxd5 exd5 5. Nf3 Nf6 6. Bg5 Be6 7. Bxf6 Qxf6 8. Qb3 Nd7 9. Qxb7 Rb8 10. Qxc7 Rxb2 11. e3 Be7 12. Qc8+ Bd8 13. Na4 Rb4 14. Nc5 0-0 15. Nxd7 Qf5 16. Nd2 Bxd7 17. Qxa6 Rb2 18. Bd3 Qg5 19. g3 Re8 20. h4 Qg4 21. Be2 Qf5 22. Bd3 Qg4 23. Be2 Qf5 24. Bd3 Qh5 25. Qa3 Rb6 26. Be2 Qg6 27. h5 Qe6 28. h6 Be7 29. Qc1 Rc8 30. Qd1 Ba3 31. Nb3 Rc3 32. hxg7 Qe4 33. Bf3 Qg6 34. 0-0 Bf5 35. Bxd5 Bb2 36. Nc5 Bxa1 37. Qxa1 Rxe3 38. Bg2 Re2 39. a4 Rbb2 40. Qa3 Qd6 41. Qf3 Bg6 42. Qg4 h5 43. Qc8+ Kxg7 44. Qd7 Qxg3 45. Ne6+ Kh7 46. Nf8+ Kg8 47. Qd8 Qb8 48. Qxb8 Rxb8 49. Nxg6 fxg6 50. a5 Kg7 51. Rc1 Ra2 52. Rc7+ Kh6 53. d5 Rb1+ 54. Kh2 Rxf2 55. Kg3 Ra2 56. Be4 Rb4 57. Kf4 Rxa5 58. Rc6 Raa4 59. Rxg6+ Kh7 60. Re6+ Kg7 61. d6 Rd4 62. Ke3 h4 63. Bc6 Rac4 64. d7 Rd1 65. Bb5 Rcd4 66. Re7+ Kf6 67. Rh7 Kg6 68. Rh8 Kg5 69. Rg8+ Kf5 70. Rh8 Re4+ 71. Kf3 Red4 72. Ke3 Kf6 73. Rf8+ Kg7 74. Rf2 Rd5 75. Bc6 Rd6 76. Rc2 Kf6 77. Bb5 h3 78. Rh2 Rb1 79. Ba4 Ra1 80. Bb5 Ra5 81. Bf1 Ra3+ 82. Ke4 Ra4+ 83. Ke3 Ke5 84. Rxh3 Ra3+ 85. Ke2 Ra2+ 86. Ke3 1/2-1/2

[Event "CHN-chTB"]
[Site "Hefei"]
[Date "2023.04.18"]
[Round "3"]
[White "Cao, Qingfeng"]
[Black "Mu, Ke"]
[Result "0-1"]
[ECO "D45"]
[WhiteElo "1651"]
[BlackElo "2416"]
[PlyCount "102"]
[EventDate "2023.04.17"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Chongqing Qilin"]
[BlackTeam "Shenzhen Qiyu"]
[WhiteTeamCountry "CHN"]
[BlackTeamCountry "CHN"]

1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 c6 5. e3 Nbd7 6. Qc2 Bd6 7. b3 0-0 8. Be2 b6 9. 0-0 Bb7 10. Bb2 Qe7 11. Rad1 Rad8 12. Bd3 Rfe8 13. Rfe1 e5 14. cxd5 cxd5 15. dxe5 Nxe5 16. Nd4 Nxd3 17. Qxd3 Ne4 18. Nf5 Bxh2+ 19. Kxh2 Qe5+ 20. Ng3 Nxf2 21. Qf5 Nxd1 22. Qxe5 Rxe5 23. Nxd1 d4 24. Rf1 Ra5 25. Bxd4 Rxa2 26. Rf2 Rxf2 27. Nxf2 f6 28. Nd1 Rd5 29. Nf1 Rg5 30. Ng3 Rb5 31. Nc3 Rxb3 32. Nf5 Rb2 33. Nd5 Rd2 34. Nf4 g5 35. Nh5 Rxg2+ 36. Kh3 g4+ 37. Kh4 Rh2+ 38. Kxg4 Bf3+ 39. Kxf3 Rxh5 40. Ne7+ Kf7 41. Nc6 a5 42. Bxb6 a4 43. Bd4 Rb5 44. e4 a3 45. e5 fxe5 46. Nxe5+ Ke6 47. Ng4 Kd5 48. Bg7 Kc4 49. Ne3+ Kd3 50. Kf4 Rb4+ 51. Kf3 Rb7 0-1

[Event "CHN-chTB"]
[Site "Hefei"]
[Date "2023.04.17"]
[Round "1"]
[White "Cao, Qingfeng"]
[Black "Liu, Yijun"]
[Result "1-0"]
[ECO "A88"]
[WhiteElo "1651"]
[BlackElo "1421"]
[PlyCount "111"]
[EventDate "2023.04.17"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Chongqing Qilin"]
[BlackTeam "Shandong"]
[WhiteTeamCountry "CHN"]
[BlackTeamCountry "CHN"]

1. c4 f5 2. Nf3 Nf6 3. g3 g6 4. Bg2 Bg7 5. 0-0 0-0 6. d4 d6 7. Nc3 c6 8. Re1 Na6 9. Qb3 Kh8 10. e4 fxe4 11. Nxe4 Nxe4 12. Rxe4 e5 13. Bg5 Qc7 14. c5 d5 15. Ree1 e4 16. Bf4 Rxf4 17. gxf4 Qxf4 18. Qc3 Be6 19. Nd2 Rf8 20. f3 Nxc5 21. Qxc5 Qxd2 22. Rad1 Qxb2 23. Kh1 exf3 24. Bxf3 Rxf3 25. Rxe6 Rf8 26. Qc1 Qxc1 27. Rxc1 Bxd4 28. Re7 c5 29. Rxb7 Be3 30. Rd1 Rd8 31. Rc7 d4 32. Rxc5 Rd7 33. Rc2 Kg7 34. Kg2 Kf6 35. Kf3 Re7 36. Ke2 Ke5 37. Kd3 Kd5 38. Rb1 Rf7 39. Rb5+ Kd6 40. Ra5 g5 41. a4 h5 42. Rb5 h4 43. a5 g4 44. Rg2 Rf4 45. Rg5 h3 46. R2xg4 Rf2 47. Rh5 Rxh2 48. Rg6+ Ke7 49. Rh7+ Kf8 50. Rc6 Rd2+ 51. Ke4 Kg8 52. Rxa7 Rf2 53. Rc8+ Rf8 54. Rxf8+ Kxf8 55. Rh7 Bg1 56. Kd3 1-0

[Event "CHN-chTB"]
[Site "Hefei"]
[Date "2023.04.17"]
[Round "2"]
[White "Xie, Jiaxiang"]
[Black "Cao, Qingfeng"]
[Result "0-1"]
[ECO "D41"]
[WhiteElo "1564"]
[BlackElo "1651"]
[PlyCount "80"]
[EventDate "2023.04.17"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]
[WhiteTeam "Hebei"]
[BlackTeam "Chongqing Qilin"]
[WhiteTeamCountry "CHN"]
[BlackTeamCountry "CHN"]

1. e4 c6 2. c4 d5 3. cxd5 cxd5 4. exd5 Nf6 5. Nc3 Nxd5 6. d4 e6 7. Nf3 Be7 8. Be2 0-0 9. 0-0 Nc6 10. Be3 Bf6 11. Ne4 Nce7 12. Qb3 Nf5 13. Bc4 Ndxe3 14. Nxf6+ Qxf6 15. fxe3 b5 16. Bd3 a6 17. Be4 Ra7 18. Rad1 Nd6 19. Bd3 Bb7 20. Qb4 Qe7 21. Rde1 f5 22. Rc1 Bd5 23. b3 Rc7 24. Qa3 Rxc1 25. Rxc1 Bxf3 26. gxf3 Qg5+ 27. Kf1 Qxe3 28. Be2 Nc4 29. Bxc4 bxc4 30. Rxc4 Qxf3+ 31. Ke1 Qe3+ 32. Kf1 f4 33. Qc1 Qf3+ 34. Kg1 Qg4+ 35. Kf2 Qh4+ 36. Kf3 Qh3+ 37. Kf2 Qxh2+ 38. Kf3 Qg3+ 39. Ke4 Qg2+ 40. Ke5 Qd5# 0-1

[Event "CHN-chT"]
[Site "Nanjing"]
[Date "2023.02.21"]
[Round "8.4"]
[White "Cao, Qingfeng"]
[Black "Li, Yucheng Robinson"]
[Result "1-0"]
[ECO "D31"]
[WhiteElo "1623"]
[BlackElo "1337"]
[PlyCount "101"]
[EventDate "2023.02.14"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]
[WhiteTeam "Chongqing"]
[BlackTeam "Guangdong"]
[WhiteTeamCountry "CHN"]
[BlackTeamCountry "CHN"]

1. d4 d5 2. c4 e6 3. Nc3 a6 4. cxd5 exd5 5. Nf3 c6 6. Bf4 Nf6 7. e3 Be7 8. h3 Bf5 9. Qb3 b5 10. a4 b4 11. Na2 a5 12. Nc1 0-0 13. Bd3 Bxd3 14. Nxd3 Nbd7 15. Rc1 Rc8 16. Bg5 Ne4 17. Bxe7 Qxe7 18. 0-0 f6 19. Rc2 Rc7 20. Rfc1 Rfc8 21. Nd2 Nxd2 22. Rxd2 Kh8 23. Rdc2 Qd6 24. Nc5 Nb6 25. Qd3 Ra8 26. b3 Nd7 27. Qf5 Nxc5 28. Rxc5 g6 29. Qc2 Ra6 30. Qd3 Ra8 31. Qc2 Ra6 32. e4 dxe4 33. d5 Kg7 34. Qc4 Raa7 35. Rxc6 Rxc6 36. dxc6 Rc7 37. Qxe4 Qd2 38. Qc4 g5 39. g3 h5 40. Rc2 Qd1+ 41. Kg2 g4 42. hxg4 hxg4 43. Re2 f5 44. Re3 Qd6 45. Re6 Qd1 46. Qc5 Qf3+ 47. Kg1 Kf7 48. Qd6 Qc3 49. Rh6 Qe1+ 50. Kg2 Qe4+ 51. Kh2 1-0

[Event "CHN-chT"]
[Site "Nanjing"]
[Date "2023.02.19"]
[Round "6.4"]
[White "Cao, Qingfeng"]
[Black "Kong, Xiangrui"]
[Result "0-1"]
[ECO "D47"]
[WhiteElo "1623"]
[BlackElo "1950"]
[PlyCount "78"]
[EventDate "2023.02.14"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]
[WhiteTeam "Chongqing"]
[BlackTeam "Hangzhou"]
[WhiteTeamCountry "CHN"]
[BlackTeamCountry "CHN"]

1. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 c6 5. e3 Nbd7 6. Bd3 dxc4 7. Bxc4 b5 8. Bd3 Bb7 9. a3 Bd6 10. 0-0 0-0 11. e4 e5 12. Bg5 Re8 13. Kh1 h6 14. Bh4 exd4 15. Nxd4 Nc5 16. Bc2 Be5 17. Nde2 Qxd1 18. Raxd1 a5 19. f4 Bxc3 20. Nxc3 b4 21. Bf2 Ncxe4 22. Nxe4 Nxe4 23. Bb6 Nf6 24. Ba4 Re4 25. Rd4 Re2 26. Rb1 c5 27. Rd6 Bxg2+ 28. Kg1 Be4 29. Bc6 Rg2+ 30. Kh1 Rxb2+ 31. Bxe4 Nxe4 32. Rxb2 Nxd6 33. Bxc5 Nc4 34. Rg2 b3 35. Bd4 g6 36. Rg1 Rd8 37. Bf6 Rd6 38. Bc3 Rd3 39. Bf6 Ne3 0-1

[Event "CHN-chT"]
[Site "Nanjing"]
[Date "2023.02.17"]
[Round "4.4"]
[White "Cao, Qingfeng"]
[Black "Liu, Yiming1111"]
[Result "1-0"]
[ECO "D23"]
[WhiteElo "1623"]
[BlackElo "1482"]
[PlyCount "81"]
[EventDate "2023.02.14"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]
[WhiteTeam "Chongqing"]
[BlackTeam "Hebei"]
[WhiteTeamCountry "CHN"]
[BlackTeamCountry "CHN"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Qc2 dxc4 5. Qxc4 Bf5 6. g3 e6 7. Bg2 Nbd7 8. 0-0 Be7 9. Nc3 0-0 10. Re1 Ne4 11. Bf4 Qb6 12. Nh4 Bxh4 13. Nxe4 Be7 14. Bd6 Bxd6 15. Nxd6 Bg6 16. e4 e5 17. Bh3 Qc7 18. Nf5 exd4 19. Qxd4 Ne5 20. Qc3 Rad8 21. Re3 b5 22. b3 Rfe8 23. Rae1 b4 24. Qa1 Qb6 25. Kh1 f6 26. Kg2 Bh5 27. Qc1 Kh8 28. Qc2 g6 29. Nh6 Kg7 30. g4 Kxh6 31. gxh5 Kxh5 32. f4 Nf7 33. Qf2 Kh6 34. e5 Qd4 35. Qh4+ Kg7 36. Qxf6+ Kf8 37. Be6 Re7 38. Bc4 c5 39. R1e2 Qa1 40. Bxf7 Rd1 41. Be6+ 1-0

[Event "CHN-chT"]
[Site "Nanjing"]
[Date "2023.02.16"]
[Round "3.4"]
[White "Yang, Zi Long"]
[Black "Cao, Qingfeng"]
[Result "1-0"]
[ECO "B19"]
[BlackElo "1623"]
[PlyCount "137"]
[EventDate "2023.02.14"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]
[WhiteTeam "Wuxi"]
[BlackTeam "Chongqing"]
[WhiteTeamCountry "CHN"]
[BlackTeamCountry "CHN"]

1. e4 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. h4 h6 7. Nf3 Nd7 8. h5 Bh7 9. Bd3 Bxd3 10. Qxd3 Ngf6 11. Bd2 e6 12. 0-0-0 Be7 13. Ne4 Nxe4 14. Qxe4 Nf6 15. Qe2 Qd5 16. c4 Qe4 17. Qxe4 Nxe4 18. Be3 0-0 19. Ne5 Rad8 20. g4 Bd6 21. f3 Ng5 22. Rhf1 f5 23. Ng6 Rfe8 24. Kc2 Be7 25. Nxe7+ Rxe7 26. gxf5 exf5 27. Bxg5 hxg5 28. Rg1 Re2+ 29. Kc3 g4 30. fxg4 f4 31. Rd3 Kf7 32. Rf1 Re4 33. d5 cxd5 34. Rxd5 Rxd5 35. cxd5 Ke7 36. Kd3 Ra4 37. b3 Rxa2 38. Rxf4 Rh2 39. Kc3 Rg2 40. Re4+ Kd6 41. Re6+ Kc5 42. Rg6 Rg3+ 43. Kc2 Rg2+ 44. Kc3 Rg3+ 45. Kb2 Rg2+ 46. Ka3 b5 47. b4+ Kc4 48. Rxg7 a5 49. Rc7+ Kxd5 50. Rc5+ Kd6 51. Rxb5 Rxg4 52. bxa5 Kc6 53. Rf5 Rh4 54. Kb3 Rh3+ 55. Kc4 Rh4+ 56. Kc3 Kc7 57. Kd3 Kd7 58. a6 Ra4 59. Rf7+ Ke8 60. Rf6 Ke7 61. Rb6 Kf7 62. h6 Kg8 63. Kc3 Kh7 64. Kb3 Ra1 65. Kc4 Rh1 66. Kb5 Rh5+ 67. Kc6 Rf5 68. a7 Ra5 69. Kb7 1-0

[Event "CHN-chT"]
[Site "Nanjing"]
[Date "2023.02.14"]
[Round "1.4"]
[White "Yu, Shi"]
[Black "Cao, Qingfeng"]
[Result "0-1"]
[ECO "B13"]
[BlackElo "1623"]
[PlyCount "162"]
[EventDate "2023.02.14"]
[EventType "team-swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 212 Extra"]
[Source "ChessBase"]
[SourceDate "2023.03.31"]
[SourceVersion "1"]
[SourceVersionDate "2023.03.31"]
[SourceQuality "1"]
[WhiteTeam "Shenzhen"]
[BlackTeam "Chongqing"]
[WhiteTeamCountry "CHN"]
[BlackTeamCountry "CHN"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Bd3 Nc6 5. c3 Qc7 6. Ne2 Bg4 7. 0-0 Nf6 8. f3 Bh5 9. Bf4 Qb6 10. Qb3 Bg6 11. Qxb6 axb6 12. Bxg6 hxg6 13. Na3 e6 14. Nb5 Kd7 15. Rfb1 Na7 16. Nxa7 Rxa7 17. Re1 Ra8 18. a3 Nh5 19. Be3 Bd6 20. Rad1 Nf6 21. Bf4 Ne8 22. h3 Rc8 23. Kf2 Rh4 24. Bg5 Rh5 25. Bf4 Rh4 26. Bxd6 Nxd6 27. Nc1 Nc4 28. Nd3 Kd6 29. Re2 Rhh8 30. Nb4 Rc7 31. Rd3 Rhc8 32. Rc2 Kd7 33. Re2 Na5 34. Rd1 Kd6 35. Rd3 Nb3 36. Rd1 Rh8 37. Rd3 Nc1 38. Ree3 Nxd3+ 39. Rxd3 g5 40. Kg3 Ke7 41. Re3 Rd7 42. Nd3 f6 43. Re2 Kf7 44. Re3 Re8 45. Re1 Rde7 46. Nb4 Kg6 47. Kg4 Kf7 48. Kg3 Rd7 49. Nd3 Ke7 50. Nb4 Kd6 51. Rd1 b5 52. Rd2 e5 53. dxe5+ Rxe5 54. Kf2 f5 55. Nc2 Kc5 56. Nd4 Rf7 57. Nb3+ Kb6 58. Kg3 g6 59. Nd4 Rfe7 60. Kf2 Re1 61. Nc2 Rb1 62. Ne3 Kc6 63. Nc2 Kc5 64. Nb4 Kc4 65. Rd4+ Kb3 66. Nd3 Rd1 67. Rxd5 Rd2+ 68. Kf1 Kc2 69. Nb4+ Kd1 70. Rxd2+ Kxd2 71. Nd5 Re1+ 72. Kf2 Re2+ 73. Kf1 Kd1 74. c4 Re1+ 75. Kf2 bxc4 76. Ne3+ Rxe3 77. Kxe3 Kc2 78. Kd4 b5 79. a4 bxa4 80. Kxc4 Kxb2 81. Kb4 a3 0-1

[Event "CHN-chB"]
[Site "Qiziwan"]
[Date "2023.02.04"]
[Round "11"]
[White "Gong, Bonuonuo"]
[Black "Cao, Qingfeng"]
[Result "0-1"]
[ECO "D35"]
[BlackElo "1623"]
[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. c4 e6 2. Nc3 d5 3. cxd5 exd5 4. d4 c6 5. Nf3 Nf6 6. Bg5 Be7 7. e3 Bf5 8. Bd3 Bxd3 9. Qxd3 0-0 10. 0-0 Nbd7 11. Bxf6 Nxf6 12. Nd2 Re8 13. Rae1 Qb6 14. Qc2 Bd6 15. h3 Re7 16. Re2 Rae8 17. Rfe1 Bb8 18. a3 Re6 19. Qb3 Qc7 20. Nf1 Qe7 21. g3 h5 22. e4 dxe4 23. Nd2 h4 24. Ncxe4 hxg3 25. fxg3 Kf8 26. Ng5 Rxe2 27. Rxe2 Qd7 28. Rxe8+ Nxe8 29. Kg2 Nd6 30. Qb4 Kg8 31. Nde4 Qf5 32. g4 Qd5 33. Qe1 f6 34. Kf1 fxg5 35. Nxd6 Bxd6 36. Qe8+ Bf8 37. Qb8 Qf3+ 38. Ke1 Qe3+ 39. Kf1 Qc1+ 40. Kg2 Qxb2+ 41. Kg1 Qxd4+ 42. Kf1 Qf4+ 43. Kg2 Qxb8 44. Kf3 Qf4+ 45. Kg2 Bc5 46. h4 Qf2+ 47. Kh3 gxh4 48. g5 Qg3# 0-1

[Event "CHN-chB"]
[Site "Qiziwan"]
[Date "2023.02.03"]
[Round "10"]
[White "Cao, Qingfeng"]
[Black "Wu, Yixing"]
[Result "1/2-1/2"]
[ECO "D40"]
[WhiteElo "1623"]
[BlackElo "1954"]
[PlyCount "85"]
[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. d4 Nf6 2. Nf3 d5 3. c4 e6 4. Nc3 c5 5. e3 Nc6 6. a3 dxc4 7. Bxc4 a6 8. 0-0 b5 9. Ba2 Bb7 10. Qe2 Qc7 11. Rd1 Rd8 12. h3 Be7 13. dxc5 Rxd1+ 14. Qxd1 Bxc5 15. b4 Bd6 16. Bb2 Ne5 17. Nxe5 Bxe5 18. Rc1 Qb8 19. a4 0-0 20. axb5 axb5 21. Bb1 Rc8 22. f4 Bxc3 23. Rxc3 Rxc3 24. Bxc3 Nd5 25. Be5 Qc8 26. Qe1 f6 27. Bd4 Qc4 28. Be4 e5 29. fxe5 fxe5 30. Qg3 exd4 31. Qb8+ Kf7 32. Qxb7+ Ne7 33. exd4 Qxd4+ 34. Kh1 Qxb4 35. Bd5+ Ke8 36. Qb8+ Kd7 37. Bf3 Ng6 38. Bg4+ Ke7 39. Qc7+ Kf6 40. Qd8+ Ke5 41. Qc7+ Kf6 42. Qd8+ Ke5 43. Qc7+ 1/2-1/2

[Event "CHN-chB"]
[Site "Qiziwan"]
[Date "2023.02.02"]
[Round "8"]
[White "Li, Bo"]
[Black "Cao, Qingfeng"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "2310"]
[BlackElo "1623"]
[PlyCount "119"]
[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. d4 Nf6 2. c4 e6 3. g3 d5 4. Nf3 Bb4+ 5. Bd2 Be7 6. Bg2 0-0 7. Qb3 c6 8. 0-0 b6 9. Nc3 Ba6 10. cxd5 cxd5 11. Ne5 Nfd7 12. Nxd5 exd5 13. Nxf7 Rxf7 14. Bxd5 Nc6 15. Bxf7+ Kh8 16. Qa4 Bb7 17. Rac1 Nc5 18. dxc5 Qxd2 19. Rcd1 Qxe2 20. Bd5 Rc8 21. Rfe1 Qh5 22. Rxe7 Nxe7 23. Bxb7 Rf8 24. cxb6 axb6 25. Qc2 Ng6 26. f4 Re8 27. Bc6 Rb8 28. Rd5 Qg4 29. Bd7 Qf3 30. Qd3 Qxd3 31. Rxd3 Kg8 32. Rc3 Kf7 33. Rc8 Rb7 34. Be8+ Kf6 35. Rc6+ Kf5 36. Kg2 Ne7 37. Rd6 Ke4 38. Bc6+ Nxc6 39. Rxc6 b5 40. Rc5 Kd4 41. b4 Ke3 42. f5 Ke4 43. Kh3 Kf3 44. Kh4 Kg2 45. h3 h6 46. g4 Ra7 47. Rc2+ Kf3 48. Kh5 Kg3 49. Rc3+ Kf4 50. Kg6 Rb7 51. Rd3 Ra7 52. a3 Rb7 53. Rd8 Ra7 54. Rg8 Rxa3 55. Kxg7 Rxh3 56. f6 Kxg4 57. f7 Rf3 58. f8Q Rxf8 59. Rxf8 h5 60. Rb8 1-0

[Event "CHN-chB"]
[Site "Qiziwan"]
[Date "2023.01.30"]
[Round "2"]
[White "Cao, Qingfeng"]
[Black "Wang, Shixu B"]
[Result "0-1"]
[ECO "E19"]
[WhiteElo "1623"]
[BlackElo "2484"]
[PlyCount "118"]
[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. d4 Nf6 2. Nf3 b6 3. g3 Bb7 4. Bg2 e6 5. 0-0 Be7 6. c4 0-0 7. Nc3 Ne4 8. Qc2 Nxc3 9. Qxc3 d6 10. b3 Nd7 11. Bb2 Be4 12. Ne1 Bxg2 13. Nxg2 a5 14. Qf3 a4 15. b4 Ra7 16. Rac1 a3 17. Bxa3 Qa8 18. Qxa8 Rfxa8 19. Bb2 Rxa2 20. Ra1 b5 21. c5 Bf6 22. cxd6 cxd6 23. Nf4 Nb6 24. Rxa2 Rxa2 25. Nd3 Nc4 26. Ra1 Ra4 27. Bc3 Kf8 28. e3 Ke7 29. Kf1 Kd7 30. Ke2 Kc6 31. Nc1 e5 32. Kd3 exd4 33. exd4 Nb6 34. Ne2 Nd5 35. Rb1 Ra3 36. h4 h5 37. Rb2 Kd7 38. Rb1 Ke6 39. Kd2 Kf5 40. f3 g6 41. Kd3 Bg7 42. Kd2 Bh6+ 43. Kd3 Be3 44. Kc2 Bf2 45. Rc1 f6 46. Kb2 Rxc3 47. g4+ hxg4 48. fxg4+ Kxg4 49. Nxc3 Bxd4 50. Rd1 Bxc3+ 51. Kb3 Bxb4 52. Rd4+ Kg3 53. Rxd5 Bc5 54. h5 gxh5 55. Rf5 h4 56. Rxf6 h3 57. Rg6+ Kf3 58. Rh6 Kg4 59. Rh7 Bd4 0-1

[Event "China zt 3.5"]
[Site "Shaoxing"]
[Date "2021.05.31"]
[Round "9"]
[White "Cao, Qingfeng"]
[Black "Zhong, Kangmin"]
[Result "1/2-1/2"]
[ECO "D13"]
[WhiteElo "1514"]
[BlackElo "1825"]
[PlyCount "140"]
[EventDate "2021.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nf6 5. Bf4 Nc6 6. e3 a6 7. Nf3 Bg4 8. h3 Bxf3 9. Qxf3 e6 10. Bd3 h6 11. Rc1 Bd6 12. 0-0 Rc8 13. a3 0-0 14. b4 b5 15. Ne2 Qe7 16. Bxd6 Qxd6 17. Rc3 Ne7 18. Rfc1 Rxc3 19. Rxc3 Rc8 20. Qg3 Qxg3 21. fxg3 Rxc3 22. Nxc3 Nc6 23. a4 Nxb4 24. axb5 axb5 25. Bxb5 Kf8 26. Kf2 Ke7 27. Ba4 Kd6 28. Ke2 Kc7 29. Nb5+ Kc6 30. g4 Na6 31. Kd3 Nb8 32. Kc2 Kd7 33. Na7+ Kd8 34. Nc6+ Nxc6 35. Bxc6 Ke7 36. Bb5 Ne4 37. Bd3 Nd6 38. Kd2 f6 39. Kc3 e5 40. Kb4 Ke6 41. Kc5 e4 42. Ba6 g6 43. g3 h5 44. gxh5 gxh5 45. h4 f5 46. Be2 f4 47. exf4 Nf5 48. Bxh5 Nxg3 49. Bg4+ Nf5 50. h5 Kf6 51. Bxf5 Kxf5 52. Kb4 e3 53. Kc3 Kxf4 54. h6 Kf3 55. h7 e2 56. h8Q e1Q+ 57. Kb3 Qe4 58. Kb4 Qe7+ 59. Kb5 Ke4 60. Kc6 Qg5 61. Kd6 Qg6+ 62. Kc5 Qe6 63. Qh1+ Kd3 64. Qd1+ Kc3 65. Qf3+ Kd2 66. Qxd5 Qc8+ 67. Qc6 Qf8+ 68. Qd6 Qc8+ 69. Kb6 Kd3 70. d5 Kd4 1/2-1/2

[Event "China zt 3.5"]
[Site "Shaoxing"]
[Date "2021.05.30"]
[Round "8"]
[White "Zhu, Hengyi"]
[Black "Cao, Qingfeng"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2202"]
[BlackElo "1514"]
[PlyCount "65"]
[EventDate "2021.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 c6 2. Nf3 d5 3. Nc3 dxe4 4. Nxe4 Bg4 5. h3 Bh5 6. Ng3 Bxf3 7. Qxf3 Nf6 8. Bc4 e6 9. 0-0 Be7 10. c3 Nbd7 11. d4 0-0 12. Re1 Bd6 13. a4 Qc7 14. Ne4 Nxe4 15. Rxe4 e5 16. Bg5 exd4 17. Rh4 g6 18. Bh6 Be7 19. Re4 Ne5 20. Qf4 b5 21. Ba2 dxc3 22. bxc3 Rae8 23. Rae1 Rd8 24. Rxe5 Rd7 25. Bxf8 Bxf8 26. h4 c5 27. axb5 Bd6 28. Re8+ Kg7 29. Qg5 Bf4 30. Qg4 h5 31. Qf3 Bd2 32. Rd1 c4 33. Qc6 1-0

[Event "China zt 3.5"]
[Site "Shaoxing"]
[Date "2021.05.29"]
[Round "7"]
[White "Cao, Qingfeng"]
[Black "Ma, Ling"]
[Result "1/2-1/2"]
[ECO "A46"]
[WhiteElo "1514"]
[BlackElo "2184"]
[PlyCount "131"]
[EventDate "2021.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c5 3. dxc5 e6 4. Nc3 Bxc5 5. Nf3 0-0 6. e3 Nc6 7. Be2 b6 8. 0-0 Bb7 9. a3 Be7 10. e4 Qc7 11. Bg5 Rfd8 12. Rc1 Ne5 13. Kh1 Nxf3 14. Bxf3 Ng4 15. Bxg4 Bxg5 16. Rc2 Qxc4 17. f4 Bh4 18. Bf3 Rac8 19. Rd2 d6 20. Be2 Qc5 21. Nb5 Bxe4 22. b4 Qc6 23. Rg1 Rd7 24. Nd4 Qb7 25. Qa4 Bf2 26. Ba6 Bxg2+ 27. Rxg2 Rc1+ 28. Rd1 Rxd1+ 29. Qxd1 Qd5 30. Qc2 Bh4 31. Ne2 g6 32. Ng3 Qf3 33. f5 exf5 34. Nxf5 Bf6 35. Qd3 Qf4 36. Ne3 Re7 37. Nc2 Rc7 38. Qf1 Qh4 39. Ne3 Bg5 40. Rg4 Qh5 41. Rc4 Re7 42. Rc8+ Kg7 43. Be2 Qh6 44. Nd5 Rd7 45. Bg4 Qh4 46. Bxd7 Qe4+ 47. Kg1 Qxd5 48. Qe2 Bf6 49. Rc4 Bd4+ 50. Rxd4 Qxd4+ 51. Qf2 Qa1+ 52. Kg2 Qxa3 53. Qd4+ Kg8 54. Qxd6 Qb2+ 55. Kf3 Qc3+ 56. Ke4 a5 57. b5 a4 58. Bc6 a3 59. Bd5 a2 60. Bxf7+ Kxf7 61. Qd7+ Kf6 62. Qd8+ Kf7 63. Qd7+ Kf8 64. Qd8+ Kf7 65. Qd7+ Kf6 66. Qd8+ 1/2-1/2

[Event "China zt 3.5"]
[Site "Shaoxing"]
[Date "2021.05.28"]
[Round "6"]
[White "Jin, Yueheng"]
[Black "Cao, Qingfeng"]
[Result "0-1"]
[ECO "D37"]
[WhiteElo "1927"]
[BlackElo "1514"]
[PlyCount "68"]
[EventDate "2021.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 a6 4. cxd5 exd5 5. Nf3 Nf6 6. Bg5 Be6 7. e3 Nbd7 8. Bd3 Bd6 9. Qc2 c6 10. Rb1 Bg4 11. Bh4 Bh5 12. Bg3 Qe7 13. Nh4 Bg6 14. Nf5 Bxf5 15. Bxf5 Bxg3 16. hxg3 Nb6 17. b3 Nc8 18. Bxc8 Rxc8 19. b4 0-0 20. Qd3 Rfe8 21. Na4 g6 22. 0-0 Ng4 23. Rfc1 Qg5 24. Kf1 Re6 25. Rc3 Rce8 26. Rb2 Qh6 27. Ke2 Qh1 28. Qd2 Nxf2 29. Qc1 Qxg2 30. Qf1 Rxe3+ 31. Rxe3 Rxe3+ 32. Kxe3 Ng4+ 33. Kf4 Qxf1+ 34. Kxg4 Qf5+ 0-1

[Event "China zt 3.5"]
[Site "Shaoxing"]
[Date "2021.05.27"]
[Round "5"]
[White "Cao, Qingfeng"]
[Black "Li, Guohao"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "1514"]
[BlackElo "2117"]
[PlyCount "121"]
[EventDate "2021.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nc6 5. Nf3 Nf6 6. Bf4 a6 7. e3 g6 8. Bd3 Bg7 9. 0-0 0-0 10. Rc1 e6 11. a3 Nh5 12. Bg5 Qd6 13. Bh4 Na5 14. Qa4 b6 15. b4 Bd7 16. Qc2 Nc4 17. Bxc4 dxc4 18. Ne4 Qd5 19. Nfd2 f5 20. Nc3 Qc6 21. f4 b5 22. Nf3 Qd6 23. Ne5 Nf6 24. Rcd1 Bc6 25. Nxc6 Qxc6 26. Bxf6 Bxf6 27. Rf2 Rfd8 28. g4 fxg4 29. Rg2 a5 30. Rxg4 axb4 31. axb4 Ra3 32. Kf2 Qb6 33. h4 Bxd4 34. exd4 Rxd4 35. Ke2 e5 36. h5 exf4 37. hxg6 Qe6+ 38. Kf1 Qxg4 39. gxh7+ Kg7 40. Rxd4 Qf3+ 41. Ke1 Ra1+ 42. Rd1 Qh1+ 43. Kd2 Qg2+ 44. Ne2 Rxd1+ 45. Qxd1 Kxh7 46. Qg1 Qf3 47. Qa7+ Kg6 48. Qb6+ Kg7 49. Qd4+ Kg6 50. Nxf4+ Kf5 51. Ne2 Qb3 52. Qc5+ Ke4 53. Qc6+ Ke5 54. Qxb5+ Ke4 55. Qc6+ Ke5 56. Qc5+ Kf6 57. Qf2+ Ke5 58. Qe3+ Kd5 59. Qxb3 cxb3 60. Kc3 b2 61. Kxb2 1-0

[Event "China zt 3.5"]
[Site "Shaoxing"]
[Date "2021.05.26"]
[Round "4"]
[White "Cao, Qingfeng"]
[Black "Cai, Lin"]
[Result "0-1"]
[ECO "A41"]
[WhiteElo "1514"]
[BlackElo "2021"]
[PlyCount "234"]
[EventDate "2021.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 d6 2. c4 e5 3. dxe5 dxe5 4. Qxd8+ Kxd8 5. Nc3 c6 6. e4 Be6 7. Be3 Nd7 8. 0-0-0 Nh6 9. Be2 Ng4 10. Bxg4 Bxg4 11. Nge2 Bb4 12. f3 Be6 13. b3 Kc7 14. Kc2 f6 15. Rd2 a5 16. Rhd1 Rhd8 17. a4 f5 18. f4 Nc5 19. Bxc5 Rxd2+ 20. Kxd2 Bxc5 21. fxe5 fxe4 22. Nxe4 Bb4+ 23. Ke3 Re8 24. Kf4 Rf8+ 25. Kg3 Bf5 26. Nd6 Bc2 27. Rc1 Bg6 28. c5 Ba3 29. Nd4 Kd7 30. Rd1 Bxc5 31. Nxb7 Bb6 32. Nd6 c5 33. Nf3 Ke7 34. Rd2 Bc7 35. Nb5 Bb8 36. Nc3 Rd8 37. Nd5+ Ke8 38. Kf4 Bf7 39. Ke4 Bg6+ 40. Ke3 Bh5 41. Nf4 Bf7 42. e6 Bg8 43. Ke4 Rxd2 44. Nxd2 Ke7 45. Nc4 g5 46. Nd3 Bxh2 47. Nxa5 Bg1 48. Nb7 Kxe6 49. Ndxc5+ Ke7 50. a5 Bh2 51. a6 Bb8 52. b4 Ba7 53. Kd4 h5 54. b5 h4 55. Na5 Kd6 56. Nab7+ Kc7 57. Ke5 Bc4 58. Nd6 Bf1 59. Ne6+ Kd7 60. Nxg5 Bxg2 61. Nc4 h3 62. Nxh3 Bxh3 63. b6 Bb8+ 64. Kd4 Bg2 65. Ne3 Bc6 66. Nc4 Bh1 67. Kc5 Bg3 68. a7 Be1 69. Kb5 Bd5 70. Ne5+ Kc8 71. Nc6 Kb7 72. Nd8+ Ka8 73. Nc6 Be4 74. Ne5 Kb7 75. Nc4 Bc6+ 76. Kc5 Bg2 77. Kb5 Bf1 78. Kc5 Bf2+ 79. Kb5 Ka8 80. Kb4 Bg2 81. Kb5 Kb7 82. Na5+ Ka8 83. Nc4 Bf1 84. Kb4 Bd4 85. Kb5 Kb7 86. Kb4 Bg2 87. Kb5 Bc6+ 88. Kb4 Ka6 89. Na5 Bg2 90. Nc4 Bd5 91. Ka4 Bc5 92. Kb3 Kb5 93. Kc3 Bf2 94. Kd3 Bc5 95. Kc3 Bg1 96. Kd3 Kc5 97. Ne3 Ba8 98. Nc4 Kb4 99. Ne3 Bb7 100. Nc4 Bc5 101. Nd2 Bxb6 102. Ne4 Bxa7 103. Nd6 Bd5 104. Nf5 Bg8 105. Nd6 Bh7+ 106. Ke2 Kc5 107. Nf7 Kd5 108. Ng5 Bg6 109. Nh3 Ke5 110. Kf3 Bh5+ 111. Kg3 Kf5 112. Kh4 Bg4 113. Kg3 Bb8+ 114. Kg2 Bd6 115. Nf2 Be2 116. Nh3 Kg4 117. Ng1 Bc4 0-1

[Event "China zt 3.5"]
[Site "Shaoxing"]
[Date "2021.05.25"]
[Round "3"]
[White "Peng, Hongchi"]
[Black "Cao, Qingfeng"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "2398"]
[BlackElo "1514"]
[PlyCount "95"]
[EventDate "2021.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. e4 c6 2. Nc3 d5 3. Nf3 dxe4 4. Nxe4 Bg4 5. h3 Bh5 6. Ng3 Bxf3 7. Qxf3 Nf6 8. Bc4 e6 9. d3 Nbd7 10. Qe2 Bd6 11. Ne4 Nxe4 12. dxe4 0-0 13. 0-0 Qe7 14. a3 b5 15. Ba2 Rab8 16. f4 c5 17. c4 b4 18. e5 Bc7 19. Bb1 a5 20. Re1 g6 21. b3 Rfd8 22. Qf3 Bb6 23. Be3 Rbc8 24. Bf2 Nb8 25. axb4 axb4 26. Be4 Qe8 27. Bb7 Rc7 28. Ra8 Nc6 29. Rxd8 Nxd8 30. Be4 Nc6 31. Ra1 Nd4 32. Bxd4 cxd4 33. Ra8 Rc8 34. Ra6 Qd8 35. Kh2 Kg7 36. g4 Rc5 37. Kg2 Ra5 38. Rxa5 Bxa5 39. c5 Qe7 40. c6 Qc5 41. h4 Bc7 42. h5 Qc1 43. Kh3 g5 44. fxg5 Bxe5 45. c7 Qxc7 46. h6+ Kh8 47. Bd3 Kg8 48. Be4 1-0

[Event "China zt 3.5"]
[Site "Shaoxing"]
[Date "2021.05.24"]
[Round "2"]
[White "Cao, Qingfeng"]
[Black "Zou, Chen"]
[Result "0-1"]
[ECO "A46"]
[WhiteElo "1514"]
[BlackElo "2452"]
[PlyCount "140"]
[EventDate "2021.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 e6 3. c4 c5 4. dxc5 Bxc5 5. Nc3 Nc6 6. e3 0-0 7. Be2 b6 8. 0-0 Bb7 9. a3 Be7 10. Qa4 d6 11. Rd1 a6 12. e4 Qc7 13. Bf4 Ne5 14. Nxe5 dxe5 15. Be3 Rfd8 16. Qb3 Bc5 17. Bxc5 bxc5 18. f3 Rd4 19. Bf1 h6 20. Ne2 Rdd8 21. Kh1 g5 22. Rxd8+ Rxd8 23. Rd1 Bc6 24. Nc1 Rd4 25. Ne2 Rd8 26. Kg1 Kg7 27. Rxd8 Qxd8 28. Qc3 Qd6 29. b4 Nd7 30. h3 Kf8 31. Nc1 Qd4+ 32. Qxd4 exd4 33. b5 Bb7 34. Nb3 Ke7 35. a4 Kd6 36. Kf2 e5 37. Ke1 h5 38. Kd2 h4 39. Na5 Bc8 40. Nc6 Nb6 41. a5 Nd7 42. Bd3 f6 43. Bc2 Nf8 44. Ba4 Ne6 45. Ke2 Nf4+ 46. Kd2 Nxg2 47. b6 Nf4 48. Nd8 Ne6 49. Nf7+ Ke7 50. Nh6 Nd8 51. Nf5+ Ke6 52. Kd3 Nb7 53. Bc6 Nxa5 54. Bd5+ Kd7 55. Nh6 Kd8 56. Ng8 Bxh3 57. Nxf6 Bc8 58. Ke2 h3 59. Nh5 h2 60. Ng3 Bh3 61. Kf2 d3 62. Ke3 Bg2 63. Kxd3 Bxf3 64. Ke3 h1Q 65. Nxh1 Bxh1 66. Kf2 g4 67. Kg3 Bf3 68. Kf2 Kc8 69. Kg3 Nb7 70. Bc6 Nd6 0-1

[Event "China zt 3.5"]
[Site "Shaoxing"]
[Date "2021.05.23"]
[Round "1"]
[White "Xi, Qi"]
[Black "Cao, Qingfeng"]
[Result "1/2-1/2"]
[ECO "D37"]
[WhiteElo "2270"]
[BlackElo "1514"]
[PlyCount "122"]
[EventDate "2021.05.23"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 202 Extra"]
[Source "ChessBase"]
[SourceDate "2021.07.31"]
[SourceVersion "1"]
[SourceVersionDate "2021.07.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 a6 4. cxd5 exd5 5. Nf3 Nf6 6. Bg5 Be6 7. e3 Bd6 8. Bd3 Nbd7 9. 0-0 c6 10. Qc2 Qc7 11. Bh4 0-0 12. Bg3 Bxg3 13. hxg3 Rfe8 14. b4 Bg4 15. a4 Rac8 16. Rfc1 Qd6 17. Rab1 b5 18. a5 Bxf3 19. gxf3 h5 20. Kg2 g6 21. Ne2 Qe7 22. Re1 h4 23. gxh4 Kg7 24. Rh1 Rh8 25. e4 dxe4 26. fxe4 Rh6 27. f3 Nh7 28. h5 Qg5+ 29. Ng3 Ndf6 30. Qc1 Nxh5 31. Qxg5 Nxg5 32. Ne2 Ne6 33. Kf2 g5 34. Ke3 Re8 35. Rbc1 Nef4 36. Rhg1 Nd5+ 37. Kd2 Nxb4 38. Rxg5+ Kf6 39. Rf5+ Ke7 40. Bb1 Rc8 41. Rh1 Rch8 42. Kc3 Ng3 43. Re5+ Kd7 44. Re1 Rh1 45. Rxh1 Nxe2+ 46. Kxb4 Rxh1 47. Ba2 Nxd4 48. Bxf7 Nxf3 49. Rf5 Nd4 50. Rg5 Rc1 51. Bg8 c5+ 52. Ka3 b4+ 53. Kb2 Rc2+ 54. Kb1 Rc3 55. Bd5 Nc6 56. Rg6 Ne7 57. Rxa6 Nxd5 58. exd5 Rd3 59. Rb6 Rxd5 60. a6 Kc7 61. a7 Rd8 1/2-1/2

[Event "Belt and Road Hunan op-C"]
[Site "Changsha"]
[Date "2019.08.02"]
[Round "9"]
[White "Xia, Zihan"]
[Black "Cao, Qingfeng"]
[Result "0-1"]
[ECO "E30"]
[BlackElo "1507"]
[PlyCount "52"]
[EventDate "2019.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. Bg5 c5 5. d5 exd5 6. cxd5 h6 7. Bh4 Qb6 8. Bxf6 Qxf6 9. Qb3 0-0 10. g3 d6 11. Bg2 Re8 12. e3 Bxc3+ 13. Qxc3 Bg4 14. Nh3 Qf5 15. Nf4 g5 16. Ne2 Nd7 17. Nc1 Ne5 18. f4 Nd3+ 19. Kd2 Nxc1 20. Raxc1 gxf4 21. gxf4 Rxe3 22. Kxe3 Re8+ 23. Kf2 Qxf4+ 24. Bf3 Qxf3+ 25. Kg1 Re2 26. Rc2 Qg2# 0-1

[Event "Belt and Road Hunan op-C"]
[Site "Changsha"]
[Date "2019.08.02"]
[Round "8"]
[White "Yao, Yuhang"]
[Black "Cao, Qingfeng"]
[Result "1-0"]
[ECO "C02"]
[WhiteElo "1881"]
[BlackElo "1507"]
[PlyCount "93"]
[EventDate "2019.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 a5 7. Bd3 Bd7 8. Bc2 Qa6 9. Be3 Qb5 10. b3 Nge7 11. dxc5 Nf5 12. Nd4 Ncxd4 13. cxd4 Nxe3 14. fxe3 Rc8 15. Nc3 Qc6 16. b4 Be7 17. 0-0 g6 18. Qf3 0-0 19. e4 dxe4 20. Bxe4 Qc7 21. Bxb7 Rb8 22. c6 axb4 23. axb4 Bxb4 24. Ne4 Be7 25. Nd6 Bxd6 26. exd6 Qxd6 27. cxd7 Qxd7 28. Bc6 Qxd4+ 29. Kh1 Qc4 30. Rac1 Qh4 31. Bb7 Qe7 32. Be4 Rb5 33. Rc6 Rh5 34. h3 Rc5 35. Rxc5 Qxc5 36. Qf4 Qh5 37. Rc1 Qa5 38. Kh2 Kg7 39. Rc7 e5 40. Qc1 Qb4 41. Qc2 Rd8 42. Qa2 Rf8 43. Qd5 Qb2 44. Re7 Qf2 45. Qxe5+ Kg8 46. Bd5 h5 47. Qc7 1-0

[Event "Belt and Road Hunan op-C"]
[Site "Changsha"]
[Date "2019.08.01"]
[Round "7"]
[White "Cao, Qingfeng"]
[Black "Wang, Yu Cheng"]
[Result "1-0"]
[ECO "D07"]
[WhiteElo "1507"]
[PlyCount "65"]
[EventDate "2019.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 e6 2. d4 d5 3. Nc3 Nf6 4. Nf3 Nc6 5. Bg5 Bb4 6. e3 h6 7. Bh4 g5 8. Bg3 Ne4 9. Qc2 h5 10. cxd5 exd5 11. Bd3 Bf5 12. Nd2 Bxc3 13. bxc3 Qe7 14. Bxe4 Bxe4 15. Nxe4 dxe4 16. h4 g4 17. Rb1 0-0-0 18. Qb3 b6 19. 0-0 Kb8 20. c4 Ka8 21. Qb5 Na5 22. c5 Nb7 23. Qa6 Rh6 24. Rfc1 Rb8 25. cxb6 cxb6 26. Bc7 Qf8 27. a4 b5 28. Rc6 Rxc6 29. Qxc6 Rc8 30. Qxb5 Qe7 31. a5 Nd8 32. Qb8+ Rxb8 33. Rxb8# 1-0

[Event "Belt and Road Hunan op-C"]
[Site "Changsha"]
[Date "2019.08.01"]
[Round "6"]
[White "Liu, Guangning"]
[Black "Cao, Qingfeng"]
[Result "0-1"]
[ECO "C14"]
[BlackElo "1507"]
[PlyCount "59"]
[EventDate "2019.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. e5 Nfd7 6. h4 h6 7. Be3 h5 8. g4 c5 9. g5 g6 10. f4 Nc6 11. Nf3 Qb6 12. Na4 Qa5+ 13. Nc3 cxd4 14. Nxd4 Nxd4 15. Bxd4 Bc5 16. Be2 a6 17. a3 Qb6 18. Na4 Qa5+ 19. Nc3 Bxd4 20. Qxd4 b5 21. b4 Qb6 22. Qd2 Bb7 23. Rf1 Rc8 24. Bd3 Qd4 25. Nxb5 axb5 26. Rd1 Ke7 27. Qe2 Qc3+ 28. Kf2 Qxa3 29. Bxb5 Qxb4 30. Bd3 0-1

[Event "Belt and Road Hunan op-C"]
[Site "Changsha"]
[Date "2019.07.31"]
[Round "5"]
[White "Cao, Qingfeng"]
[Black "Lin, Shengyan"]
[Result "1/2-1/2"]
[ECO "D66"]
[WhiteElo "1507"]
[PlyCount "65"]
[EventDate "2019.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 e6 2. d4 d5 3. Nc3 Nf6 4. Nf3 Be7 5. Bg5 c6 6. e3 0-0 7. Bd3 h6 8. Bh4 Nbd7 9. 0-0 dxc4 10. Bxc4 b5 11. Bd3 a6 12. Rc1 Bb7 13. Bb1 c5 14. dxc5 Nxc5 15. Qc2 Nce4 16. Rfd1 Qe8 17. Ne5 g5 18. Bg3 Rc8 19. Qe2 Nxc3 20. Rxc3 Rxc3 21. bxc3 Qc8 22. Ng4 Nxg4 23. Qxg4 Qc6 24. Be5 f5 25. Qg3 h5 26. h4 g4 27. e4 fxe4 28. Qe3 Rf5 29. Qh6 Rxe5 30. Qg6+ Kh8 31. Qh6+ Kg8 32. Qg6+ Kh8 33. Qh7+ 1/2-1/2

[Event "Belt and Road Hunan op-C"]
[Site "Changsha"]
[Date "2019.07.31"]
[Round "4"]
[White "Weng, Xuanyu"]
[Black "Cao, Qingfeng"]
[Result "1-0"]
[ECO "E07"]
[BlackElo "1507"]
[PlyCount "48"]
[EventDate "2019.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nf3 Be7 4. g3 d5 5. Nc3 0-0 6. Bg2 c6 7. 0-0 Nbd7 8. b3 b6 9. Bb2 Ba6 10. cxd5 Nxd5 11. Qc2 Rc8 12. Rfd1 N7f6 13. a3 Qc7 14. e4 Nxc3 15. Bxc3 Bb7 16. Ne5 Rfd8 17. b4 c5 18. dxc5 bxc5 19. bxc5 Bc6 20. Rxd8+ Rxd8 21. Qe2 Rc8 22. a4 h6 23. Rd1 Bd6 24. Nc4 Nxe4 1-0

[Event "Belt and Road Hunan op-C"]
[Site "Changsha"]
[Date "2019.07.30"]
[Round "3"]
[White "Cao, Qingfeng"]
[Black "Lu, Yuhang"]
[Result "1-0"]
[ECO "A36"]
[WhiteElo "1507"]
[PlyCount "45"]
[EventDate "2019.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. d3 d6 6. e4 e5 7. Nge2 Nge7 8. 0-0 0-0 9. Kh1 Bg4 10. f3 Be6 11. f4 exf4 12. Nxf4 Qd7 13. Be3 b6 14. Qd2 Na5 15. Ncd5 Nxd5 16. cxd5 Bg4 17. h3 g5 18. hxg4 gxf4 19. Rxf4 Bh6 20. Rf5 Bxe3 21. Qxe3 c4 22. Qg5+ Kh8 23. Qf6+ 1-0

[Event "Belt and Road Hunan op-C"]
[Site "Changsha"]
[Date "2019.07.30"]
[Round "2"]
[White "Tong, Yan"]
[Black "Cao, Qingfeng"]
[Result "1-0"]
[ECO "C11"]
[WhiteElo "1996"]
[BlackElo "1507"]
[PlyCount "83"]
[EventDate "2019.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. e4 e6 2. d4 d5 3. Nc3 Nf6 4. e5 Nfd7 5. Nce2 c5 6. c3 Nc6 7. f4 Be7 8. Nf3 b6 9. g3 h5 10. Bh3 Qc7 11. 0-0 Bb7 12. f5 exf5 13. Bxf5 g6 14. Bh3 0-0-0 15. Bf4 g5 16. Nxg5 Bxg5 17. Bxg5 Rdf8 18. Nf4 Nd8 19. Bxd8 Qxd8 20. e6 fxe6 21. Nxe6 Rxf1+ 22. Qxf1 Qe7 23. Qf4 Nf6 24. Nf8+ Ng4 25. Ng6 Qg7 26. Nxh8 Qxh8 27. Re1 Qg7 28. Qd6 Qf7 29. Rf1 Qe8 30. Rf8 Qxf8 31. Qxf8+ Kc7 32. Bxg4 hxg4 33. dxc5 bxc5 34. Qxc5+ Kb8 35. a4 a6 36. b4 Ka8 37. b5 axb5 38. axb5 d4 39. b6 Ba6 40. Qc7 Bb7 41. Qd8+ Bc8 42. Qxc8# 1-0

[Event "Belt and Road Hunan op-C"]
[Site "Changsha"]
[Date "2019.07.29"]
[Round "1"]
[White "Cao, Qingfeng"]
[Black "Sun, Diqian"]
[Result "1-0"]
[ECO "E11"]
[WhiteElo "1507"]
[PlyCount "89"]
[EventDate "2019.07.29"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "EXT 2020"]
[Source "ChessBase"]
[SourceDate "2019.10.17"]
[SourceVersion "1"]
[SourceVersionDate "2019.10.17"]
[SourceQuality "1"]

1. c4 Nf6 2. d4 e6 3. Nf3 Bb4+ 4. Bd2 Bxd2+ 5. Nbxd2 0-0 6. e3 d5 7. Bd3 Nc6 8. a3 a5 9. 0-0 Bd7 10. Qc2 g6 11. Rac1 Re8 12. Ne5 Rc8 13. Ndf3 Kg7 14. h3 Nxe5 15. Nxe5 c6 16. c5 Qe7 17. f3 Rb8 18. Rf2 b5 19. b3 b4 20. a4 Rbc8 21. Kf1 Ra8 22. g4 Bc8 23. Qe2 Nd7 24. Nxc6 Qf8 25. Bb5 Bb7 26. Nxb4 axb4 27. Bxd7 Red8 28. Bb5 Qe7 29. Kg2 Qf6 30. c6 Bc8 31. Qe1 Qe7 32. c7 Rf8 33. Rc5 Ra7 34. Rfc2 Rg8 35. Qxb4 Rxc7 36. Qc3 Rxc5 37. Qxc5 Qg5 38. Rc3 Qh4 39. Qc7 Qe1 40. Qe5+ Kf8 41. Rxc8+ Ke7 42. Rxg8 Qd2+ 43. Kg3 Qe1+ 44. Kf4 f6 45. Qc7# 1-0

[Event "CHN-chB"]
[Site "Jiangmen"]
[Date "2018.07.18"]
[Round "1"]
[White "Wang, Shixu B"]
[Black "Cao, Qingfeng"]
[Result "1-0"]
[ECO "D11"]
[WhiteElo "2341"]
[PlyCount "83"]
[EventDate "2018.07.18"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 185 Extra"]
[Source "ChessBase"]
[SourceDate "2018.07.29"]
[SourceVersion "1"]
[SourceVersionDate "2018.07.29"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Bf5 4. cxd5 cxd5 5. Nc3 e6 6. Qb3 Qc7 7. Bf4 Qb6 8. Qxb6 axb6 9. Nh4 Bg6 10. e3 Nf6 11. Bb5+ Nc6 12. Rc1 Rc8 13. Nxg6 hxg6 14. Ke2 Nh5 15. Na4 Nxf4+ 16. exf4 Kd8 17. Bxc6 Rxc6 18. Rxc6 bxc6 19. Nxb6 Bd6 20. g3 Ke7 21. Rc1 Rxh2 22. Rxc6 Bb8 23. Rc8 Bd6 24. Rc1 Kf6 25. Rc6 Bf8 26. Nd7+ Ke7 27. Rc7 Kd8 28. Ra7 Bd6 29. Ne5 Bxe5 30. fxe5 Ke8 31. b4 Rh1 32. b5 Rb1 33. a4 Rb4 34. Kd3 f6 35. f4 fxe5 36. fxe5 Rb3+ 37. Kc2 Rb4 38. Kc3 Rc4+ 39. Kb3 Rxd4 40. b6 Kd8 41. Ra8+ Kd7 42. b7 1-0

[Event "CHN-chT2"]
[Site "Jiangmen"]
[Date "2018.07.10"]
[Round "1.2"]
[White "Nie, Xinyang"]
[Black "Cao, Qingfeng"]
[Result "1-0"]
[ECO "B14"]
[WhiteElo "2322"]
[PlyCount "115"]
[EventDate "2018.07.10"]
[EventType "team-swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "EXT 2019"]
[Source "ChessBase"]
[SourceDate "2018.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2018.10.10"]
[SourceQuality "1"]
[WhiteTeam "Chongqing Kowloon Kylin"]
[BlackTeam "Chongqing Kowloon CA"]
[WhiteTeamCountry "CHN"]
[BlackTeamCountry "CHN"]

1. c4 c5 2. e3 e6 3. d4 d5 4. Nc3 Nf6 5. cxd5 Nxd5 6. Nf3 cxd4 7. exd4 Bb4 8. Bd2 0-0 9. Bd3 Nc6 10. 0-0 a6 11. Re1 b5 12. Nxd5 Bxd2 13. Qxd2 Qxd5 14. Be4 Qd6 15. Qc2 Bb7 16. Bxh7+ Kh8 17. Be4 Rac8 18. Qd2 f5 19. Bxc6 Bxc6 20. Ng5 f4 21. f3 Qd5 22. Re5 Qd7 23. Nxe6 Rf6 24. Nxf4 Rcf8 25. Nh5 Rh6 26. Rae1 Bxf3 27. gxf3 Rxf3 28. Ng3 Qc6 29. R5e3 Rff6 30. Re8+ Kh7 31. Qd3+ Rhg6 32. R1e5 Qc1+ 33. Kg2 Qh6 34. Qe2 Qc1 35. Rh5+ Rh6 36. Rxh6+ Rxh6 37. Qd3+ Rg6 38. Re6 Qh6 39. Rxg6 Qxg6 40. Qxg6+ Kxg6 41. Kf3 Kf6 42. Ke4 Ke6 43. d5+ Kd6 44. Nf5+ Kd7 45. Nd4 g6 46. Ke5 b4 47. Nb3 a5 48. Nc5+ Kc7 49. d6+ Kd8 50. Ke6 a4 51. d7 a3 52. b3 g5 53. Nb7+ Kc7 54. d8Q+ Kxb7 55. Kd6 g4 56. Qc7+ Ka8 57. Kc6 g3 58. Qb7# 1-0

