[Event "CHN-ch U20"]
[Site "Shenzhen"]
[Date "2023.08.02"]
[Round "11"]
[White "Liu, Aiwei"]
[Black "Xu, Junwei"]
[Result "1/2-1/2"]
[ECO "A22"]
[WhiteElo "1923"]
[BlackElo "2141"]
[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. c4 e5 2. Nc3 Bb4 3. g3 Nf6 4. Bg2 0-0 5. Nf3 Re8 6. 0-0 c6 7. d3 h6 8. e4 d5 9. cxd5 cxd5 10. exd5 Nxd5 11. Qb3 Nxc3 12. bxc3 Bd6 13. d4 Nc6 14. dxe5 Nxe5 15. Nxe5 Bxe5 16. Be3 Qc7 17. Bd4 Bxd4 18. cxd4 Rd8 19. d5 Qd6 20. Rac1 Rb8 1/2-1/2

[Event "CHN-ch U20"]
[Site "Shenzhen"]
[Date "2023.08.01"]
[Round "10"]
[White "Hu, Zehan"]
[Black "Liu, Aiwei"]
[Result "1/2-1/2"]
[ECO "C67"]
[WhiteElo "1626"]
[BlackElo "1923"]
[PlyCount "48"]
[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. 0-0 Nxe4 5. Re1 Nd6 6. Nxe5 Be7 7. Bf1 Nxe5 8. Rxe5 0-0 9. d4 Bf6 10. Re1 Nf5 11. c3 d5 12. Bf4 Nd6 13. Bd3 Be6 14. Nd2 Re8 15. Qc2 h6 16. Nf3 c6 17. Ne5 Bg5 18. Bg3 Bh4 19. Re3 Bxg3 20. Rxg3 Qf6 21. Rf3 Qg5 22. Rg3 Qf6 23. Rf3 Qg5 24. Rg3 Qf6 1/2-1/2

[Event "CHN-ch U20"]
[Site "Shenzhen"]
[Date "2023.08.01"]
[Round "9"]
[White "Liu, Aiwei"]
[Black "Zhang, Fuhan"]
[Result "1/2-1/2"]
[ECO "D79"]
[WhiteElo "1923"]
[BlackElo "2099"]
[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. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. d4 c6 6. 0-0 d5 7. Nc3 Bf5 8. cxd5 cxd5 9. Qb3 Qb6 10. Qxb6 axb6 11. Bf4 Nc6 12. Bc7 Rfc8 13. Bf4 Ra5 14. Bd2 b5 15. a3 Rca8 16. Rac1 b4 17. axb4 Nxb4 18. Ne5 Na2 19. Rce1 Nb4 20. e4 dxe4 1/2-1/2

[Event "CHN-ch U20"]
[Site "Shenzhen"]
[Date "2023.07.31"]
[Round "8"]
[White "Gu, Xianghan"]
[Black "Liu, Aiwei"]
[Result "1-0"]
[ECO "C22"]
[WhiteElo "1989"]
[BlackElo "1923"]
[PlyCount "171"]
[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. d4 exd4 3. Qxd4 Nc6 4. Qe3 Bb4+ 5. Bd2 Bxd2+ 6. Nxd2 d6 7. Bc4 Qe7 8. 0-0-0 Be6 9. Ne2 Nf6 10. Nf4 Bxc4 11. Nxc4 0-0-0 12. Rhe1 Rhe8 13. f3 Kb8 14. Qc3 Rd7 15. a3 Qd8 16. Ne3 Re5 17. Kb1 h6 18. Nc4 Re8 19. Nd5 Re6 20. Nce3 a6 21. Nf5 Qf8 22. h4 Re5 23. Nxf6 gxf6 24. h5 Ne7 25. f4 Rc5 26. Qxf6 Nxf5 27. exf5 d5 28. g4 Rb5 29. c4 Rb6 30. Re6 Rb3 31. Ka2 Qc5 32. Re8+ Ka7 33. Qd4 Qxd4 34. Rxd4 Rg3 35. g5 hxg5 36. h6 f6 37. Rxd5 Rh7 38. c5 b5 39. Rdd8 Kb7 40. fxg5 Rxg5 41. Rb8+ Kc6 42. Re6+ Kxc5 43. Rxf6 Rh5 44. Rxa6 c6 45. b4+ Kd6 46. Rxb5 R7xh6 47. Rc5 Rh2+ 48. Kb3 Kc7 49. Ra7+ Kd6 50. Rg7 Rf2 51. Ka4 Rf3 52. Ka5 Rxa3+ 53. Kb6 Rh8 54. Rxc6+ Ke5 55. Rc5+ Kf4 56. f6 Rf8 57. Rc6 Kf5 58. b5 Rb3 59. Rb7 Rxf6 60. Rxf6+ Kxf6 61. Rd7 Ke6 62. Rd1 Ke7 63. Kc6 Ke8 64. b6 Rc3+ 65. Kb7 Rb3 66. Kc7 Rc3+ 67. Kb8 Ke7 68. b7 Ra3 69. Rd4 Ra1 70. Kc7 Rc1+ 71. Kb6 Rb1+ 72. Ka6 Ke8 73. Ra4 Kd7 74. Ka7 Rb5 75. b8Q Rxb8 76. Kxb8 Kc6 77. Ra7 Kb6 78. Rc7 Kb5 79. Kb7 Ka5 80. Rc5+ Kb4 81. Kb6 Kb3 82. Kb5 Ka2 83. Kb4 Ka1 84. Rc2 Kb1 85. Kb3 Ka1 86. Rc1# 1-0

[Event "CHN-ch U20"]
[Site "Shenzhen"]
[Date "2023.07.31"]
[Round "7"]
[White "Liu, Aiwei"]
[Black "Xu, Yiming"]
[Result "1-0"]
[ECO "A29"]
[WhiteElo "1923"]
[BlackElo "1788"]
[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. c4 e5 2. Nc3 Nf6 3. g3 Nc6 4. Bg2 Bb4 5. a3 Bxc3 6. bxc3 0-0 7. Nf3 h6 8. 0-0 d6 9. d3 Be6 10. Rb1 Rb8 11. e4 Qd7 12. Re1 Bg4 13. Be3 b6 14. Qc2 Bxf3 15. Bxf3 Ne7 16. d4 c5 17. d5 Ng6 18. Qd1 a6 19. Rb2 Rb7 20. Qc2 Rfb8 21. Reb1 1-0

[Event "CHN-ch U20"]
[Site "Shenzhen"]
[Date "2023.07.30"]
[Round "5"]
[White "Liu, Aiwei"]
[Black "Chen, Zhe1111"]
[Result "1/2-1/2"]
[ECO "E11"]
[WhiteElo "1923"]
[PlyCount "48"]
[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. c4 Nf6 2. Nf3 e6 3. d4 Bb4+ 4. Bd2 Qe7 5. a3 Bxd2+ 6. Nbxd2 d6 7. e4 e5 8. Bd3 a5 9. Qc2 0-0 10. 0-0 Nc6 11. d5 Nb8 12. b4 Na6 13. Qc3 Bg4 14. Rfc1 Nd7 15. Bc2 axb4 16. axb4 c5 17. bxc5 Naxc5 18. Ne1 Bh5 19. Nd3 Bg6 20. Nxc5 Nxc5 21. Qe3 h6 22. Nb3 b6 23. Rcb1 Rfb8 24. Rxa8 Rxa8 1/2-1/2

[Event "CHN-ch U20"]
[Site "Shenzhen"]
[Date "2023.07.30"]
[Round "6"]
[White "Zhong, Kangmin"]
[Black "Liu, Aiwei"]
[Result "1/2-1/2"]
[ECO "E02"]
[WhiteElo "1906"]
[BlackElo "1923"]
[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 d5 2. c4 e6 3. Nf3 Nf6 4. g3 Be7 5. Bg2 dxc4 6. Qa4+ Bd7 7. Qxc4 Bc6 8. Nc3 Nbd7 9. 0-0 0-0 10. Rd1 h6 11. Qd3 Bb4 12. Bf4 Bxc3 13. bxc3 Be4 14. Qc4 Nd5 15. Bd2 a6 16. a4 N5b6 17. Qa2 Bd5 18. Qc2 Nf6 19. Ne5 Bxg2 20. Kxg2 Nc4 1/2-1/2

[Event "CHN-ch U20"]
[Site "Shenzhen"]
[Date "2023.07.29"]
[Round "3"]
[White "Liu, Aiwei"]
[Black "Zhang, Qianyi"]
[Result "1-0"]
[ECO "D45"]
[WhiteElo "1923"]
[BlackElo "1692"]
[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. c4 c6 2. Nf3 d5 3. d4 Nf6 4. e3 e6 5. Bd3 Nbd7 6. 0-0 Be7 7. Nc3 dxc4 8. Bxc4 b5 9. Be2 Bb7 10. a3 a6 11. b4 a5 12. bxa5 Rxa5 13. Bb2 0-0 14. e4 Qb6 15. e5 Nd5 16. Nxd5 exd5 17. Qd3 Rfa8 18. Qf5 Nf8 19. Ng5 Bxg5 20. Qxg5 b4 1-0

[Event "CHN-ch U20"]
[Site "Shenzhen"]
[Date "2023.07.29"]
[Round "4"]
[White "Zhang, Haoxu"]
[Black "Liu, Aiwei"]
[Result "1/2-1/2"]
[ECO "D12"]
[WhiteElo "1795"]
[BlackElo "1923"]
[PlyCount "49"]
[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. Nf3 Nf6 3. e3 Bf5 4. c4 e6 5. Be2 Be7 6. Nc3 c6 7. Nh4 Bg6 8. 0-0 Nbd7 9. Nxg6 hxg6 10. f4 0-0 11. g4 dxc4 12. g5 Nd5 13. e4 Nxc3 14. bxc3 c5 15. Rf3 cxd4 16. cxd4 Rc8 17. Be3 Qa5 18. Rh3 b5 19. Qf1 Qc3 20. Rd1 Qc2 21. Qg2 Ba3 22. Rd2 Qb1+ 23. Rd1 Qc2 24. Rd2 Qb1+ 25. Rd1 1/2-1/2

[Event "CHN-ch U20"]
[Site "Shenzhen"]
[Date "2023.07.28"]
[Round "1"]
[White "Liu, Aiwei"]
[Black "Zhou, Ziyu"]
[Result "1-0"]
[ECO "E60"]
[WhiteElo "1923"]
[BlackElo "1314"]
[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. c4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. d4 c5 6. dxc5 Ne4 7. Qd5 Qa5+ 8. Bd2 Nxd2 9. Nbxd2 Na6 10. 0-0 Qxc5 11. Rab1 Qxd5 12. cxd5 Nb4 13. d6 Re8 14. a3 Nc6 15. e3 e6 16. b4 Bf8 17. Ne4 Kg7 18. Rfd1 b6 19. Nc3 Bb7 20. Ne5 Nxe5 21. Bxb7 1-0

[Event "CHN-ch U20"]
[Site "Shenzhen"]
[Date "2023.07.28"]
[Round "2"]
[White "Xi, Qi"]
[Black "Liu, Aiwei"]
[Result "1-0"]
[ECO "D37"]
[WhiteElo "2198"]
[BlackElo "1923"]
[PlyCount "101"]
[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. Nf3 Be7 5. Bf4 0-0 6. e3 a6 7. c5 Nbd7 8. Bd3 Re8 9. b4 Nh5 10. 0-0 Nxf4 11. exf4 Nf8 12. Re1 Bd7 13. g3 Bf6 14. h4 b5 15. a4 c6 16. Qb3 Qc7 17. Ra3 Rab8 18. Rea1 Rb7 19. axb5 axb5 20. Ra6 Reb8 21. Ne5 Be8 22. h5 Bd8 23. Be2 f6 24. Nd3 Bf7 25. Bg4 Nd7 26. Qd1 f5 27. Bf3 Bf6 28. Ne5 Nxe5 29. dxe5 Bd8 30. Ne2 Be8 31. Nd4 Bd7 32. g4 g5 33. hxg6 hxg6 34. gxf5 exf5 35. Nxc6 Bxc6 36. Rxc6 Qg7 37. Qxd5+ Kf8 38. Raa6 Be7 39. Rxg6 Qf7 40. Rgf6 Bxf6 41. Rxf6 Qxf6 42. exf6 Ke8 43. Qe6+ Kf8 44. Bxb7 Rxb7 45. Qc8+ Kf7 46. Qxb7+ Kxf6 47. c6 Kg6 48. c7 Kh5 49. c8Q Kg4 50. Qg8+ Kxf4 51. Qg3# 1-0

[Event "CHN-chT2"]
[Site "Jiangmen"]
[Date "2018.07.16"]
[Round "11.1"]
[White "Liu, Aiwei"]
[Black "Xu, Jun"]
[Result "1/2-1/2"]
[ECO "A23"]
[BlackElo "2491"]
[PlyCount "77"]
[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 Fuling"]
[BlackTeam "Jiangsu Chess Academy"]
[WhiteTeamCountry "CHN"]
[BlackTeamCountry "CHN"]

1. c4 e5 2. Nc3 Nf6 3. g3 c6 4. d4 exd4 5. Qxd4 d5 6. Bg2 Be6 7. cxd5 cxd5 8. Be3 Qa5 9. Nf3 Nc6 10. Qa4 Qxa4 11. Nxa4 Bb4+ 12. Bd2 Bxd2+ 13. Nxd2 Rc8 14. Nb3 Ke7 15. 0-0 Ne4 16. Rfd1 b6 17. f3 Nf6 18. Nc3 Ne5 19. Nd4 Nc4 20. b3 Ne3 21. Rd3 Nxg2 22. Kxg2 Rc5 23. Nd1 Rhc8 24. Ne3 g6 25. Rad1 Rc1 26. Kf2 Rxd1 27. Rxd1 h5 28. Rd2 a6 29. Rc2 Rxc2 30. Nexc2 Bd7 31. Ke3 Kd6 32. Nb4 a5 33. Nd3 Ne8 34. a3 Nc7 35. Kd2 Na6 36. Kc3 Nc7 37. Kd2 Na6 38. Kc3 Nc7 39. Kd2 1/2-1/2

[Event "CHN-chT2"]
[Site "Jiangmen"]
[Date "2018.07.10"]
[Round "1.3"]
[White "Liu, Aiwei"]
[Black "Xu, Zhihang"]
[Result "0-1"]
[ECO "A36"]
[BlackElo "2340"]
[PlyCount "80"]
[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 Fuling"]
[BlackTeam "Qingdao Qingwei"]
[WhiteTeamCountry "CHN"]
[BlackTeamCountry "CHN"]

1. c4 c5 2. Nc3 g6 3. g3 Bg7 4. Bg2 Nc6 5. d3 e6 6. e4 Nge7 7. Be3 Nd4 8. f4 0-0 9. Nf3 Nec6 10. 0-0 a6 11. Rc1 d6 12. Qd2 Rb8 13. h3 b5 14. b3 Qa5 15. Kh2 Bb7 16. Rf2 f5 17. Ne2 Qxd2 18. Bxd2 bxc4 19. Rxc4 fxe4 20. dxe4 e5 21. Nexd4 exd4 22. Ng5 Ne5 23. Ra4 Rbe8 24. Re2 Nd3 25. e5 Bxg2 26. Kxg2 dxe5 27. Rxa6 exf4 28. Rxe8 Rxe8 29. Re6 Ra8 30. a4 Rb8 31. a5 Bh6 32. Ne4 Rxb3 33. Rb6 Ra3 34. a6 c4 35. Bb4 f3+ 36. Kh1 Ra1+ 37. Kh2 Ra2+ 38. Kh1 Nxb4 39. Rxb4 c3 40. Rxd4 c2 0-1

