[Event "Daqing Boyi Cup-B"]
[Site "Daqing"]
[Date "2024.07.17"]
[Round "9"]
[White "Liu, Chengfei"]
[Black "Dang, Letian"]
[Result "1-0"]
[ECO "D11"]
[BlackElo "1560"]
[PlyCount "48"]
[EventDate "2024.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 d5 2. Nf3 Bf5 3. c4 e6 4. g3 Nf6 5. Bg2 c6 6. 0-0 Bd6 7. Qb3 Qb6 8. c5 Qxb3 9. axb3 Bc7 10. b4 0-0 11. Nc3 Nbd7 12. b5 Ne4 13. bxc6 bxc6 14. Ra6 Nxc3 15. bxc3 Nb8 16. Ra3 a5 17. Bd2 Nd7 18. Nh4 Bg6 19. Nxg6 hxg6 20. Rfa1 Ra6 21. e4 Nf6 22. exd5 cxd5 23. Bf1 Ra7 24. Bb5 Rb8 1-0

[Event "Daqing Boyi Cup-B"]
[Site "Daqing"]
[Date "2024.07.16"]
[Round "7"]
[White "Liu, Chengfei"]
[Black "Miao, Zhun"]
[Result "1/2-1/2"]
[ECO "D78"]
[BlackElo "1682"]
[PlyCount "86"]
[EventDate "2024.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d5 6. c4 c6 7. Nbd2 Bf5 8. Qb3 Qc7 9. cxd5 cxd5 10. Qc3 Qb6 11. Qb3 Qc7 12. Ne5 Nc6 13. Ndf3 Nd7 14. Nxd7 Qxd7 15. Rd1 e6 16. e3 Be4 17. Ne1 Bxg2 18. Kxg2 Rfc8 19. Bd2 Bf8 20. Nd3 Bd6 21. Rac1 Nd8 22. a3 b6 23. f3 Rxc1 24. Rxc1 Rc8 25. Rc3 Rc6 26. Nf2 Rxc3 27. Qxc3 Qc6 28. e4 Qxc3 29. Bxc3 Nc6 30. e5 Be7 31. Ng4 Kg7 32. Ne3 a5 33. Nc2 h5 34. b4 axb4 35. Bxb4 Bd8 36. Bd6 f6 37. f4 fxe5 38. fxe5 b5 39. h4 g5 40. hxg5 Bxg5 41. Kh3 Kg6 42. g4 Bd8 43. gxh5+ Kxh5 1/2-1/2

[Event "Daqing Boyi Cup-B"]
[Site "Daqing"]
[Date "2024.07.16"]
[Round "8"]
[White "Yu, Zhenghuan"]
[Black "Liu, Chengfei"]
[Result "1-0"]
[ECO "D06"]
[WhiteElo "1626"]
[PlyCount "95"]
[EventDate "2024.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 d5 3. cxd5 Nxd5 4. e4 Nf6 5. Nc3 e6 6. Nf3 Be7 7. Bd3 b6 8. 0-0 Bb7 9. Bf4 a6 10. Rc1 Nbd7 11. d5 exd5 12. exd5 Nc5 13. Bb1 0-0 14. b4 Ncd7 15. a3 Bd6 16. Bg5 h6 17. Bh4 Ne5 18. Nd4 g5 19. Bg3 Bc8 20. Nf5 Bxf5 21. Bxf5 Ng6 22. Qc2 Kg7 23. Rcd1 Bxg3 24. fxg3 Qd6 25. Ne2 Qe5 26. Nd4 Ne7 27. Rfe1 Qd6 28. Bd3 Nfxd5 29. Be4 Kh8 30. Nf5 Qf6 31. Nxe7 Nxe7 32. Bxa8 Rxa8 33. Qxc7 Nf5 34. Qe5 Kg7 35. Qd5 Rc8 36. Qd7 Rc2 37. Rf1 Qe6 38. Rxf5 Qe3+ 39. Kh1 Rc1 40. Rxf7+ Kg6 41. Qf5+ Kh5 42. Rxc1 Qxc1+ 43. Qf1 Qxa3 44. g4+ Kxg4 45. Qe2+ Kh4 46. g3+ Qxg3 47. hxg3+ Kxg3 48. Rf3+ 1-0

[Event "Daqing Boyi Cup-B"]
[Site "Daqing"]
[Date "2024.07.15"]
[Round "5"]
[White "Liu, Chengfei"]
[Black "Wang, Jun"]
[Result "1-0"]
[ECO "D77"]
[BlackElo "1764"]
[PlyCount "51"]
[EventDate "2024.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 d5 5. c4 dxc4 6. 0-0 0-0 7. Ne5 Ng4 8. Nxg4 Bxg4 9. Bxb7 Nd7 10. Bxa8 Qxa8 11. f3 Bh3 12. Re1 e5 13. Be3 e4 14. Nd2 Re8 15. Nxc4 Nf6 16. Rc1 Nd5 17. b3 f5 18. Rc2 h6 19. f4 g5 20. Kf2 gxf4 21. gxf4 Nxe3 22. Nxe3 Rd8 23. Rg1 Kh8 24. Rc4 c5 25. d5 Bd4 26. Rxd4 1-0

[Event "Daqing Boyi Cup-B"]
[Site "Daqing"]
[Date "2024.07.15"]
[Round "6"]
[White "Shen, Houlin"]
[Black "Liu, Chengfei"]
[Result "0-1"]
[ECO "B12"]
[WhiteElo "1583"]
[PlyCount "40"]
[EventDate "2024.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 c5 4. dxc5 e6 5. Be3 Nd7 6. Bb5 Qc7 7. Nf3 Bxc5 8. Bxc5 Qxc5 9. Nc3 a6 10. Bxd7+ Bxd7 11. Qd4 Qxd4 12. Nxd4 Ne7 13. f4 Nc6 14. 0-0-0 Ke7 15. Rhe1 Rac8 16. a3 Rhg8 17. Re3 g5 18. f5 g4 19. b4 Rg5 20. Nxc6+ Bxc6 0-1

[Event "Daqing Boyi Cup-B"]
[Site "Daqing"]
[Date "2024.07.13"]
[Round "1"]
[White "Liu, Chengfei"]
[Black "Lin, Runchu"]
[Result "0-1"]
[ECO "D78"]
[BlackElo "1702"]
[PlyCount "84"]
[EventDate "2024.07.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 221 Extra"]
[Source "ChessBase"]
[SourceDate "2024.09.30"]
[SourceVersion "1"]
[SourceVersionDate "2024.09.30"]
[SourceQuality "1"]

1. d4 Nf6 2. Nf3 g6 3. g3 Bg7 4. Bg2 0-0 5. 0-0 d5 6. c4 c6 7. Nc3 Nbd7 8. Bf4 Nh5 9. Be3 dxc4 10. Nd2 Nb6 11. Nde4 Nf6 12. Nxf6+ Bxf6 13. a4 a5 14. Qd2 Be6 15. Ne4 Bg7 16. Nc5 Qc8 17. Nxe6 Qxe6 18. f4 Rfd8 19. Bf2 Qd7 20. Rfd1 c5 21. d5 Nxa4 22. Qc2 Nxb2 23. Rdb1 c3 24. Bxc5 Rdc8 25. Ba3 b5 26. d6 Rab8 27. Ra2 b4 28. Bd5 bxa3 29. Rxa3 Qxd6 30. Rxa5 Qb6+ 31. Kg2 Qxa5 32. e4 e6 33. Bb3 Rxb3 34. Qxb3 c2 35. Rf1 Qd2+ 36. Rf2 c1Q 37. Rxd2 Qxd2+ 38. Kh3 Rc2 39. Qb8+ Bf8 40. Qe5 h5 41. Kh4 Be7+ 42. Qg5 Qxh2# 0-1

[Event "CHN-chB"]
[Site "Qiziwan"]
[Date "2023.01.30"]
[Round "1"]
[White "Jin, Yueheng"]
[Black "Liu, Chengfei"]
[Result "1-0"]
[ECO "E65"]
[WhiteElo "1900"]
[PlyCount "79"]
[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 g6 3. g3 Bg7 4. Bg2 0-0 5. Nf3 d6 6. 0-0 Nbd7 7. Nc3 c5 8. d5 a6 9. a4 b6 10. e4 Qc7 11. Bf4 Nh5 12. Bg5 Nhf6 13. Qd2 Re8 14. Rad1 Ng4 15. Qe2 Nge5 16. Nd2 Nf6 17. h3 h6 18. Be3 Nh7 19. f4 Nd7 20. Qd3 Ndf8 21. Nf3 f5 22. e5 dxe5 23. fxe5 Bb7 24. Bc1 Bxe5 25. Nxe5 Qxe5 26. Rxf5 Qg7 27. Rdf1 Nf6 28. b3 Bc8 29. R5f2 N8d7 30. Bb2 Rf8 31. d6 Ra7 32. Nd5 e5 33. Nxf6+ Nxf6 34. Bxe5 Raf7 35. Bd5 Bxh3 36. Rxf6 Bxf1 37. Qxf1 Kh8 38. Rxf7 Rxf7 39. Qxf7 Qxe5 40. Qg8# 1-0

