[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.08.02"]
[Round "11"]
[White "Zheng, Yuxuan"]
[Black "Sun, Zhengxuan"]
[Result "1-0"]
[ECO "E09"]
[PlyCount "53"]
[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. Nf3 Nf6 4. g3 Nbd7 5. Qc2 Be7 6. Bg2 0-0 7. 0-0 c6 8. Nbd2 Re8 9. e4 dxc4 10. Nxc4 Nb6 11. Nxb6 Qxb6 12. Be3 Nd7 13. Rac1 Qa5 14. a3 e5 15. dxe5 Nxe5 16. Nxe5 Qxe5 17. f4 Qc7 18. Bd4 Bd7 19. Qc3 f6 20. e5 Rf8 21. Qc4+ Kh8 22. e6 Be8 23. f5 Rc8 24. b4 b6 25. Be3 c5 26. Rfd1 Bh5 27. Rd7 1-0

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.08.01"]
[Round "9"]
[White "Sun, Zhengxuan"]
[Black "Huang, Yaowu"]
[Result "0-1"]
[ECO "C02"]
[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. e4 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. Bd3 Bd7 7. Bc2 Be7 8. a3 a5 9. b3 f6 10. Bf4 fxe5 11. Nxe5 Nf6 12. Nxd7 Kxd7 13. Be3 cxd4 14. Bxd4 Nxd4 15. Qxd4 Qxd4 16. cxd4 Rac8 17. Kd2 Ng4 18. f3 Bg5+ 19. Ke1 Rxc2 20. fxg4 Rc1+ 21. Ke2 Rxh1 22. b4 a4 23. Kd3 Rc8 0-1

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.08.01"]
[Round "10"]
[White "Sun, Zhengxuan"]
[Black "Zhu, Liangyu"]
[Result "1-0"]
[ECO "C57"]
[PlyCount "25"]
[EventDate "2023.07.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Nf6 4. Ng5 d5 5. exd5 Nxd5 6. Nc3 Qxg5 7. Bxd5 Bd6 8. Qf3 Qf5 9. Bxc6+ bxc6 10. Qxc6+ Ke7 11. Qxa8 Bb7 12. Qxb7 Qxc2 13. Qd5 1-0

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.07.31"]
[Round "7"]
[White "Ni, Fuzheng"]
[Black "Sun, Zhengxuan"]
[Result "1-0"]
[ECO "E65"]
[PlyCount "40"]
[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 g6 3. Bg2 Bg7 4. c4 c5 5. 0-0 0-0 6. Nc3 e6 7. d4 d6 8. dxc5 dxc5 9. Be3 Nbd7 10. h3 Re8 11. Qc2 Qe7 12. Nb5 Qd8 13. Nd6 Re7 14. Rad1 Ne8 15. Nxe8 Rxe8 16. Bxc5 Qf6 17. Bd4 e5 18. Bc3 Qa6 19. b3 e4 20. Nd4 e3 1-0

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.07.30"]
[Round "5"]
[White "Shen, Congyue"]
[Black "Sun, Zhengxuan"]
[Result "1-0"]
[ECO "C44"]
[WhiteElo "1668"]
[PlyCount "53"]
[EventDate "2023.07.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. d4 exd4 4. Bc4 Na5 5. Qxd4 Nxc4 6. Qxc4 Be7 7. Ne5 d5 8. exd5 Bd6 9. Nf3 Nf6 10. 0-0 0-0 11. Bg5 Be7 12. Nc3 h6 13. Bh4 Rb8 14. Rfe1 b6 15. Ne5 Bb7 16. Rad1 c5 17. dxc6 Qc7 18. Bxf6 Bxf6 19. Rd7 Qc8 20. cxb7 Rxb7 21. Qxc8 Rxc8 22. Rxb7 Rc4 23. Nxc4 Bg5 24. Re8+ Kh7 25. Ne5 f6 26. Ne4 Bc1 27. Nxf6# 1-0

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.07.30"]
[Round "6"]
[White "Sun, Zhengxuan"]
[Black "Xue, Lansiyi"]
[Result "0-1"]
[ECO "C54"]
[PlyCount "62"]
[EventDate "2023.07.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bc4 Bc5 4. c3 Nf6 5. d4 exd4 6. e5 d5 7. Bb5 Ne4 8. cxd4 Bb6 9. Be3 0-0 10. Bxc6 bxc6 11. Nfd2 Nxd2 12. Nxd2 f6 13. f4 fxe5 14. fxe5 Bxd4 15. Bxd4 Qh4+ 16. g3 Qxd4 17. Nf3 Qe3+ 18. Qe2 Rxf3 19. Rf1 Qxe2+ 20. Kxe2 Rxf1 21. Rxf1 Ba6+ 22. Kf2 Rf8+ 23. Ke3 Rxf1 24. Kd4 Rd1+ 25. Kc5 d4 26. Kxc6 d3 27. Kd7 d2 28. e6 Re1 29. Ke7 d1Q 30. b4 Qd6+ 31. Ke8 Rxe6# 0-1

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.07.29"]
[Round "3"]
[White "Sun, Zhengxuan"]
[Black "Chen, Zihang"]
[Result "0-1"]
[ECO "B90"]
[BlackElo "1607"]
[PlyCount "104"]
[EventDate "2023.07.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 b6 7. Be2 Bb7 8. Bf3 Nbd7 9. Be3 Nc5 10. e5 dxe5 11. Bxb7 Nxb7 12. Nb3 Qc7 13. Qf3 Rc8 14. 0-0 e6 15. Rfd1 Bd6 16. h3 0-0 17. Nd2 Rfd8 18. Nde4 Nxe4 19. Nxe4 Be7 20. Bg5 Bxg5 21. Nxg5 h6 22. Rxd8+ Rxd8 23. Ne4 Qxc2 24. Nf6+ gxf6 25. Qxb7 Qxb2 26. Rf1 a5 27. Qe7 Rd5 28. Qxf6 Qd2 29. Rb1 Qf4 30. Qe7 Rd2 31. Qe8+ Kg7 32. Rf1 Ra2 33. Qb5 Qd4 34. Qb3 Rxa4 35. Rd1 Ra1 36. Qg3+ Kh7 37. Rxa1 Qxa1+ 38. Kh2 Qd4 39. Qf3 Qf4+ 40. Qxf4 exf4 41. Kg1 a4 42. g4 a3 43. Kg2 a2 44. Kf3 a1Q 45. Ke4 b5 46. f3 Qc1 47. Ke5 b4 48. Kf6 b3 49. h4 b2 50. g5 b1Q 51. Ke7 Qc7+ 52. Kf6 Qf5# 0-1

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.07.29"]
[Round "4"]
[White "Yu, Yifan"]
[Black "Sun, Zhengxuan"]
[Result "1/2-1/2"]
[ECO "E04"]
[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. d4 d5 2. c4 e6 3. g3 Nf6 4. Bg2 dxc4 5. Nf3 c5 6. 0-0 Nc6 7. dxc5 Bxc5 8. Qc2 Qb6 9. Qxc4 0-0 10. Nbd2 Be7 11. a3 a5 12. b3 Bd7 13. Bb2 Rac8 14. Qd3 Rfd8 15. Qb1 Qa6 16. Re1 Qa7 17. Ne4 Nxe4 18. Qxe4 Bc5 19. e3 Be7 20. Qg4 g6 21. Ng5 h5 1/2-1/2

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.07.28"]
[Round "2"]
[White "Chen, Haiyang"]
[Black "Sun, Zhengxuan"]
[Result "0-1"]
[ECO "C49"]
[PlyCount "60"]
[EventDate "2023.07.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 e5 2. Nf3 Nc6 3. Bb5 Nf6 4. Nc3 Bb4 5. d3 d6 6. h3 h6 7. a3 Ba5 8. 0-0 0-0 9. b4 Bb6 10. Be3 Nd4 11. Bxd4 exd4 12. Ne2 c5 13. Bc4 Re8 14. Ng3 Bc7 15. Nh2 d5 16. exd5 cxb4 17. axb4 Nxd5 18. Qf3 Be6 19. b5 Bxg3 20. Qxg3 Nc3 21. Kh1 Qb6 22. Rfe1 Bxc4 23. Rxe8+ Rxe8 24. dxc4 Ne4 25. Qf3 d3 26. Ng4 d2 27. Rf1 Ng5 28. Qd1 Qd4 29. f3 Qxc4 30. Kg1 Qc5+ 0-1

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.07.28"]
[Round "1"]
[White "Sun, Zhengxuan"]
[Black "Gu, Yi"]
[Result "0-1"]
[ECO "B90"]
[BlackElo "1669"]
[PlyCount "40"]
[EventDate "2023.07.28"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 215 Extra"]
[Source "ChessBase"]
[SourceDate "2023.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.09.30"]
[SourceQuality "1"]

1. e4 c5 2. Nf3 d6 3. d4 cxd4 4. Nxd4 Nf6 5. Nc3 a6 6. a4 e5 7. Nb3 Be6 8. Be3 Nc6 9. Be2 d5 10. exd5 Nxd5 11. Nxd5 Qxd5 12. Qxd5 Bxd5 13. 0-0 Rc8 14. Rac1 Nb4 15. c4 Be4 16. f3 Bc2 17. Na5 Bxa4 18. Nxb7 Nc2 19. Bf2 Rb8 20. Bd1 Rxb7 0-1

