[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.08.02"]
[Round "11"]
[White "Shi, Jiashuo"]
[Black "Ma, Zhengyu"]
[Result "1-0"]
[ECO "E04"]
[WhiteElo "1741"]
[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. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 dxc4 5. Bg2 Nc6 6. Qa4 Bb4+ 7. Bd2 Nd5 8. Bxb4 Ndxb4 9. a3 b5 10. Qd1 Nd5 11. e4 Nf6 12. Nc3 Rb8 13. 0-0 0-0 14. Qd2 Na5 15. Rad1 Nb3 16. Qc2 Qe7 17. Rfe1 h6 18. Ne5 Bd7 19. d5 Qd6 20. Nxc4 bxc4 21. e5 1-0

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.08.01"]
[Round "10"]
[White "Ma, Zhengyu"]
[Black "Yu, Lijie Kevin"]
[Result "1/2-1/2"]
[ECO "C02"]
[BlackElo "1426"]
[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 e6 2. d4 d5 3. e5 c5 4. c3 Nc6 5. Nf3 Qb6 6. a3 c4 7. Nbd2 Na5 8. Rb1 Bd7 9. Be2 Ne7 10. Qc2 Qc7 11. Nf1 Nc8 12. Bd1 Nb6 13. Qe2 h6 14. h4 Ba4 15. Bxa4+ Nxa4 16. h5 Be7 17. g4 Nb3 18. Qc2 b5 19. Bf4 a5 20. N1d2 Nxd2 21. Bxd2 Kd7 22. Ke2 Qc6 23. g5 b4 24. axb4 axb4 25. gxh6 gxh6 26. Rhg1 Rhb8 27. Bxh6 bxc3 28. bxc3 Rb3 29. Bd2 Rab8 30. Ra1 Ba3 31. Rgb1 Rb2 32. Rxb2 Rxb2 1/2-1/2

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.08.01"]
[Round "9"]
[White "Weng, Xuanyu"]
[Black "Ma, Zhengyu"]
[Result "1/2-1/2"]
[ECO "D38"]
[WhiteElo "1842"]
[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. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 0-0 6. e3 Nbd7 7. cxd5 exd5 8. Bd3 c6 9. 0-0 Re8 10. a3 Bd6 11. Qc2 h6 12. Bh4 Nf8 13. Rfe1 Bg4 14. Nd2 g5 15. Bg3 Bxg3 16. hxg3 Bh5 17. b4 Bg6 18. Nb3 Bxd3 19. Qxd3 Ne4 20. Nxe4 Rxe4 1/2-1/2

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.07.31"]
[Round "7"]
[White "Chang, Luxin"]
[Black "Ma, Zhengyu"]
[Result "1/2-1/2"]
[ECO "B12"]
[WhiteElo "1503"]
[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 c6 2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. Bd3 Bxd3 6. Qxd3 Nd7 7. 0-0 Ne7 8. Nbd2 c5 9. c3 Nc6 10. Rd1 cxd4 11. cxd4 Rc8 12. Nb3 Be7 13. Bd2 Qb6 14. Rac1 0-0 15. Rc2 Rc7 16. Rdc1 Rfc8 17. a3 a5 18. Bg5 h6 19. Bxe7 Nxe7 20. Rxc7 Rxc7 1/2-1/2

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.07.31"]
[Round "8"]
[White "Ma, Zhengyu"]
[Black "Gu, Yi"]
[Result "1-0"]
[ECO "B81"]
[BlackElo "1669"]
[PlyCount "63"]
[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. h3 e6 7. g4 b5 8. Bg2 Bb7 9. a3 Be7 10. 0-0 Nfd7 11. f4 Nc6 12. Nde2 Qb6+ 13. Kh1 Na5 14. f5 Ne5 15. Nf4 Kd7 16. Nce2 Nac6 17. c3 g6 18. fxe6+ fxe6 19. Nd4 Nxd4 20. cxd4 Nc4 21. b3 Na5 22. d5 e5 23. Ne6 Rae8 24. Qd3 Ba8 25. Be3 Qb8 26. Qc3 b4 27. Qd3 Rc8 28. Qxa6 Rc3 29. Bd2 Nxb3 30. Bxc3 bxc3 31. Qa4+ Kc8 32. Rab1 1-0

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.07.30"]
[Round "5"]
[White "Ma, Zhengyu"]
[Black "Li, Hongjin"]
[Result "1/2-1/2"]
[ECO "B81"]
[BlackElo "1645"]
[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 e6 6. h3 a6 7. g4 Be7 8. Bg2 Qc7 9. 0-0 Nc6 10. Kh1 0-0 11. g5 Nd7 12. f4 Re8 13. Nde2 b5 14. a3 Bb7 15. Ng3 Bf8 16. Qg4 Rac8 17. Be3 g6 18. f5 Nde5 19. Qf4 Bg7 20. f6 Bf8 1/2-1/2

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.07.30"]
[Round "6"]
[White "Xu, Ziyuan"]
[Black "Ma, Zhengyu"]
[Result "1/2-1/2"]
[ECO "B18"]
[WhiteElo "1619"]
[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 c6 2. d4 d5 3. Nc3 dxe4 4. Nxe4 Bf5 5. Ng3 Bg6 6. Nf3 Nd7 7. Bd3 Bxd3 8. Qxd3 e6 9. 0-0 Ngf6 10. Bf4 Be7 11. c4 0-0 12. Rfe1 Qb6 13. a3 Rfd8 14. b4 Qa6 15. Nf5 Bf8 16. Nd6 Bxd6 17. Bxd6 b5 18. Ne5 Nxe5 19. dxe5 bxc4 20. Qd4 Ne8 1/2-1/2

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.07.29"]
[Round "4"]
[White "Ma, Zhengyu"]
[Black "Luo, Zifei"]
[Result "1-0"]
[ECO "B90"]
[BlackElo "1468"]
[PlyCount "87"]
[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. h3 e5 7. Nb3 Be6 8. f4 exf4 9. Bxf4 Nc6 10. Qd2 Be7 11. 0-0-0 Ne5 12. g4 0-0 13. Nd4 Nfd7 14. Nf5 Bxf5 15. exf5 Nb6 16. Ne4 d5 17. Nc3 Nec4 18. Bxc4 dxc4 19. Qxd8 Raxd8 20. Bc7 Rxd1+ 21. Rxd1 Bg5+ 22. Kb1 Be3 23. Bxb6 Bxb6 24. Rd7 Rb8 25. Ne4 Re8 26. Rxb7 Bc5 27. b4 Bf8 28. Nc5 a5 29. a3 axb4 30. axb4 h6 31. Kb2 Bd6 32. Kc3 Re2 33. Kxc4 Rxc2+ 34. Kd5 Bxc5 35. bxc5 Kf8 36. Rb4 Ke8 37. Kc6 Rc3 38. h4 Rc2 39. Rd4 Rb2 40. Kc7 Rb5 41. c6 Ke7 42. Kc8 Rb6 43. c7 g6 44. Re4+ 1-0

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.07.29"]
[Round "3"]
[White "Wang, Jiayi"]
[Black "Ma, Zhengyu"]
[Result "1/2-1/2"]
[ECO "E34"]
[WhiteElo "1457"]
[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 Nf6 2. c4 e6 3. Nc3 Bb4 4. Qc2 d5 5. Bg5 Nbd7 6. Nf3 h6 7. Bd2 Be7 8. e3 0-0 9. Bd3 dxc4 10. Bxc4 c5 11. 0-0 a6 12. a4 cxd4 13. Nxd4 Qc7 14. Ba2 b6 15. Rac1 Bd6 16. h3 Bb7 17. Qb1 Qd8 18. Rfd1 Qe7 19. e4 Nc5 20. f3 Nh5 21. b4 Nd7 1/2-1/2

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.07.28"]
[Round "1"]
[White "Ma, Binhe"]
[Black "Ma, Zhengyu"]
[Result "1-0"]
[ECO "B11"]
[WhiteElo "1718"]
[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 c6 2. Nc3 d5 3. Nf3 Bg4 4. h3 Bxf3 5. Qxf3 Nf6 6. Be2 e6 7. 0-0 Nbd7 8. d4 dxe4 9. Nxe4 Nxe4 10. Qxe4 Nf6 11. Qd3 Be7 12. c4 0-0 13. Be3 Qa5 14. Qb3 Qb4 15. Qxb4 Bxb4 16. Rfd1 Rfd8 17. Bf3 Bd6 18. Rd2 Rd7 19. Rad1 Rad8 20. a3 Be7 1-0

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.07.28"]
[Round "2"]
[White "Ma, Zhengyu"]
[Black "Yu, Yifan"]
[Result "1-0"]
[ECO "B22"]
[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 e6 3. c3 Nf6 4. e5 Nd5 5. d4 cxd4 6. cxd4 d6 7. Be2 Nc6 8. exd6 Bxd6 9. 0-0 h6 10. Nc3 Nxc3 11. bxc3 0-0 12. Re1 Qc7 13. c4 Bb4 14. Bd2 Bxd2 15. Qxd2 Rd8 16. Qe3 Ne7 17. Red1 Nf5 18. Qe4 Nd6 19. Qf4 Ne8 20. Qh4 Nf6 1-0

