[Event "CHN-ch U16"]
[Site "Shanghai"]
[Date "2024.02.21"]
[Round "11"]
[White "Jia, Zelin"]
[Black "Yang, Yifeng"]
[Result "1/2-1/2"]
[ECO "D04"]
[WhiteElo "1304"]
[PlyCount "42"]
[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. e3 Bg4 4. Nbd2 e6 5. Be2 c5 6. b3 cxd4 7. exd4 Bb4 8. Bb2 Ne4 9. 0-0 Nxd2 10. Nxd2 Bxe2 11. Qxe2 Bxd2 12. Qxd2 0-0 13. c4 b6 14. Rfe1 Nd7 15. Rac1 Rc8 16. Ba3 Re8 17. c5 Nb8 18. b4 b5 19. Bb2 Nc6 20. Bc3 a6 21. a3 Qf6 1/2-1/2

[Event "CHN-ch U16"]
[Site "Shanghai"]
[Date "2024.02.16"]
[Round "2"]
[White "Yang, Yifeng"]
[Black "Wang, Ruiqi"]
[Result "0-1"]
[ECO "A45"]
[BlackElo "1139"]
[PlyCount "97"]
[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 c5 3. dxc5 Na6 4. Nf3 Nxc5 5. Nc3 g6 6. e3 Bg7 7. Rb1 0-0 8. Be2 d5 9. Be5 Nce4 10. Nxe4 Nxe4 11. Bxg7 Kxg7 12. Qd4+ Kg8 13. 0-0 Bf5 14. Nh4 e5 15. Qxe5 Qxh4 16. Rbd1 Be6 17. f3 Nc5 18. f4 Ne4 19. Bf3 Qf6 20. Qc7 Qxb2 21. Rb1 Qa3 22. Rb3 Qc5 23. Qxc5 Nxc5 24. Rb5 Rac8 25. Rd1 Rfd8 26. h3 a6 27. Rb6 Rc6 28. Rb2 Rcd6 29. Rd4 b5 30. Rb1 Kf8 31. Rbd1 Ke7 32. a3 Na4 33. R1d2 Nb6 34. Kf2 Nc4 35. R2d3 Bf5 36. Rc3 Be6 37. g4 Na5 38. Rc7+ R8d7 39. Rc8 Rc6 40. Rxc6 Nxc6 41. Rd2 Rd6 42. Be2 f5 43. g5 d4 44. exd4 Rxd4 45. Rxd4 Nxd4 46. Bd3 Bc4 47. Ke3 Bxd3 48. Kxd4 Bxc2 49. Kc5 0-1

[Event "CHN-ch U16"]
[Site "Shanghai"]
[Date "2024.02.16"]
[Round "1"]
[White "Zhang, Jiazhen"]
[Black "Yang, Yifeng"]
[Result "1-0"]
[ECO "D35"]
[WhiteElo "1454"]
[PlyCount "123"]
[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 e6 3. Nc3 Nf6 4. cxd5 exd5 5. Bg5 c6 6. e3 h6 7. Bh4 Bf5 8. Qb3 Qb6 9. Qxb6 axb6 10. Bxf6 gxf6 11. Kd2 Nd7 12. Bd3 Bg6 13. Nf3 Bd6 14. Nh4 Rg8 15. g3 Nf8 16. a3 Kd7 17. Bf5+ Bxf5 18. Nxf5 Ke6 19. Nh4 f5 20. Ng2 Kf6 21. Rhf1 Ne6 22. Kd3 Ng5 23. f3 Ke6 24. Rae1 f6 25. Nh4 b5 26. e4 fxe4+ 27. fxe4 dxe4+ 28. Nxe4 Nxe4 29. Rxe4+ Kf7 30. Nf5 Bf8 31. Ref4 Rd8 32. Kc3 Rd5 33. Ne3 Rd6 34. Ng4 Bg7 35. Ne3 Bf8 36. g4 b6 37. h4 Re6 38. R1f3 Rg6 39. Kd3 Rg8 40. Rf5 Bg7 41. d5 Rd6 42. Kc2 c5 43. a4 Re8 44. axb5 Re4 45. R5f4 Rxf4 46. Rxf4 h5 47. Rf5 hxg4 48. Nxg4 Kg6 49. Ne3 Bh6 50. h5+ Kg7 51. Nc4 Rd7 52. Kd3 Rb7 53. Rf1 Bg5 54. Re1 Kh6 55. Re6 Kxh5 56. Rxb6 Rxb6 57. Nxb6 f5 58. Nc4 Kg4 59. b6 Bd8 60. b7 Bc7 61. d6 f4 62. dxc7 1-0

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.08.02"]
[Round "11"]
[White "Yang, Yifeng"]
[Black "Luo, Zifei"]
[Result "1/2-1/2"]
[ECO "E21"]
[BlackElo "1468"]
[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. Nc3 Bb4 4. Nf3 0-0 5. Bg5 h6 6. Bxf6 Bxc3+ 7. bxc3 Qxf6 8. e3 c5 9. Rc1 Nc6 10. Be2 d6 11. 0-0 Rd8 12. Qc2 e5 13. Rfd1 b6 14. Rd2 Bb7 15. Rcd1 Qe7 16. dxe5 Nxe5 17. Qf5 Ng6 18. Qc2 Bc6 19. h3 Rd7 20. Kf1 Rad8 1/2-1/2

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.08.01"]
[Round "10"]
[White "Wang, Sida"]
[Black "Yang, Yifeng"]
[Result "1/2-1/2"]
[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. c3 d5 3. exd5 Qxd5 4. d4 Nf6 5. Nf3 Bg4 6. Be2 e6 7. 0-0 Nc6 8. Be3 cxd4 9. cxd4 Be7 10. Nc3 Qd8 11. Qb3 Qd7 12. h3 Bxf3 13. Bxf3 0-0 14. Rfd1 Rad8 15. Rac1 Na5 16. Qb5 Qxb5 17. Nxb5 a6 18. Nc3 b5 19. d5 Nc4 20. Rc2 Nxe3 1/2-1/2

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.08.01"]
[Round "9"]
[White "Yang, Yifeng"]
[Black "Li, Juchen"]
[Result "1/2-1/2"]
[ECO "D93"]
[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 g6 3. Nc3 d5 4. Nf3 Bg7 5. Bf4 c6 6. e3 0-0 7. a3 Nbd7 8. c5 Nh5 9. Bg3 Nxg3 10. hxg3 e5 11. b4 f5 12. Be2 e4 13. Nd2 g5 14. Nb3 Qf6 15. Qd2 Re8 16. 0-0-0 Nf8 17. Na1 Ne6 18. Nc2 b6 19. Na4 Rb8 20. Na1 Bf8 21. Kc2 b5 22. Nc3 Bg7 23. Nb3 Rf8 1/2-1/2

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.07.31"]
[Round "8"]
[White "Jiang, Ziming"]
[Black "Yang, Yifeng"]
[Result "0-1"]
[ECO "B45"]
[PlyCount "58"]
[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. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Be2 Bb4 7. f3 d5 8. 0-0 0-0 9. Be3 Bc5 10. Kh1 Nxd4 11. Bxd4 Bxd4 12. Qxd4 dxe4 13. Qxd8 Rxd8 14. Nxe4 Nxe4 15. fxe4 e5 16. Bc4 Be6 17. Bxe6 fxe6 18. Rad1 Rd4 19. Rxd4 exd4 20. g3 Rf8 21. Rxf8+ Kxf8 22. Kg2 Kf7 23. Kf3 Kf6 24. c3 Ke5 25. cxd4+ Kxd4 26. h4 e5 27. h5 g6 28. hxg6 hxg6 29. b4 b5 0-1

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.07.31"]
[Round "7"]
[White "Yang, Yifeng"]
[Black "Huang, Yaowu"]
[Result "1-0"]
[ECO "D53"]
[PlyCount "71"]
[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 e6 2. c4 d5 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 h6 6. Bh4 Nbd7 7. e3 c6 8. c5 0-0 9. Be2 Re8 10. b4 b5 11. 0-0 a5 12. a3 a4 13. h3 Bf8 14. Ne5 Be7 15. Nxc6 Qc7 16. Nxe7+ Rxe7 17. Bxb5 Ba6 18. Bxa6 Rxa6 19. Nxa4 Qa7 20. Nc3 Rxa3 21. Nb5 Rxa1 22. Qxa1 Qb7 23. Qa4 Re8 24. Nd6 Ra8 25. Nxb7 Rxa4 26. b5 Ne4 27. Bd8 Ra8 28. c6 Ndf6 29. b6 Ne8 30. c7 N4d6 31. Nxd6 Nxd6 32. Be7 Nb7 33. Rc1 Rc8 34. Ra1 f6 35. Ra7 Kf7 36. Bb4 1-0

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.07.30"]
[Round "5"]
[White "Wei, Yixiu"]
[Black "Yang, Yifeng"]
[Result "1/2-1/2"]
[ECO "B30"]
[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. e4 c5 2. Nf3 e6 3. Nc3 Nc6 4. Bb5 a6 5. Bxc6 bxc6 6. d3 d5 7. 0-0 Nf6 8. Qe2 Be7 9. Na4 0-0 10. b3 a5 11. c4 d4 12. Ne5 Qc7 13. f4 Bd6 14. Ng4 Nxg4 15. Qxg4 f5 16. Qf3 Bd7 17. e5 Be7 18. Ba3 Qa7 19. h3 Rf7 20. g3 g6 21. Rf2 Raf8 22. Raf1 Rg7 23. Rh2 Be8 24. g4 g5 25. Qg3 h6 26. Rg2 fxg4 27. hxg4 Rgf7 1/2-1/2

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.07.30"]
[Round "6"]
[White "Xu, Yifan"]
[Black "Yang, Yifeng"]
[Result "1-0"]
[ECO "B23"]
[PlyCount "122"]
[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. Nc3 e6 3. g3 b6 4. Bg2 Bb7 5. Nge2 Nc6 6. 0-0 g6 7. d4 d6 8. d5 Nce7 9. dxe6 fxe6 10. Nf4 Qd7 11. Bh3 Nf6 12. Bxe6 Qc6 13. f3 Bh6 14. Nfd5 Bg7 15. Bf4 Nh5 16. Bg5 Nc8 17. g4 Bd4+ 18. Kg2 Ng7 19. Nf6+ Bxf6 20. Bxf6 Nxe6 21. Bxh8 Ne7 22. Bf6 Ng8 23. Bh4 g5 24. Bg3 0-0-0 25. Kh1 Ne7 26. a4 a6 27. Nd5 Nxd5 28. exd5 Qxd5 29. Qxd5 Bxd5 30. Rad1 Bc6 31. b3 Nd4 32. Kg2 Nxc2 33. Bf2 Rf8 34. Rxd6 Bxf3+ 35. Kg1 Bxg4 36. Rxb6 Nd4 37. Bxd4 Rxf1+ 38. Kxf1 cxd4 39. Rd6 Bd1 40. Rxd4 Bxb3 41. a5 Kc7 42. Kf2 Kc6 43. Rb4 Bd5 44. Rb6+ Kc7 45. Rxa6 Kb7 46. Rh6 Bg8 47. Kg3 Kc7 48. Kg4 Kb7 49. Kxg5 Bc4 50. h4 Bd3 51. Kf4 Ka7 52. Ke5 Bc2 53. Kd5 Bb1 54. Rb6 Ba2+ 55. Kc6 h5 56. a6 Bc4 57. Rb5 Be2 58. Ra5 Bf3+ 59. Kd6 Be2 60. Ke5 Bxa6 61. Rxa6+ Kxa6 1-0

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.07.29"]
[Round "4"]
[White "Yang, Yifeng"]
[Black "Liu, Sirui"]
[Result "0-1"]
[ECO "D52"]
[PlyCount "51"]
[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 Nbd7 5. Nf3 c6 6. e3 Qa5 7. Nd2 Bb4 8. Qc2 0-0 9. Be2 dxc4 10. Bxf6 Nxf6 11. Nxc4 Qc7 12. 0-0 b6 13. Bf3 Bb7 14. a3 Be7 15. Ne5 Bd6 16. Ne4 Bxe5 17. dxe5 Qxe5 18. Nxf6+ Qxf6 19. Rac1 Rac8 20. b4 h6 21. Qa4 a6 22. Rc2 e5 23. Rfc1 Qe6 24. Rc3 e4 25. Be2 Rfd8 26. h3 0-1

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.07.29"]
[Round "3"]
[White "Yang, Yifeng"]
[Black "Pan, Haoyang"]
[Result "1-0"]
[ECO "D52"]
[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. Nc3 Nf6 4. Bg5 Nbd7 5. Nf3 c6 6. e3 Qa5 7. Nd2 Bb4 8. Qc2 Ne4 9. Ndxe4 dxe4 10. Bf4 Nf6 11. Be2 0-0 12. 0-0 Bxc3 13. Qxc3 Qxc3 14. bxc3 b6 15. a4 Bb7 16. h3 Rfd8 17. Bg5 Rab8 18. Rfb1 Ba6 19. Rb2 h6 20. Bxf6 gxf6 1-0

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.07.28"]
[Round "2"]
[White "Liu, Chengxuan"]
[Black "Yang, Yifeng"]
[Result "1-0"]
[ECO "B44"]
[PlyCount "52"]
[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. d4 cxd4 4. Nxd4 Nf6 5. Bd3 Nc6 6. Nxc6 bxc6 7. c4 Bb4+ 8. Nc3 h6 9. 0-0 Qc7 10. Qe2 Qe5 11. f4 Qh5 12. Qxh5 Nxh5 13. e5 g6 14. Ne4 Ba6 15. Be3 Be7 16. Nc5 Bc8 17. b4 0-0 18. a4 a6 19. g4 Ng7 20. b5 axb5 21. axb5 Rxa1 22. Rxa1 cxb5 23. cxb5 d6 24. exd6 Bxd6 25. b6 e5 26. Ne4 Bb8 1-0

[Event "CHN-ch U16"]
[Site "Shenzhen"]
[Date "2023.07.28"]
[Round "1"]
[White "Yang, Yifeng"]
[Black "Zhang, Xuanhe"]
[Result "0-1"]
[ECO "D90"]
[BlackElo "1444"]
[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 c6 3. Nc3 Nf6 4. Nf3 g6 5. Bf4 dxc4 6. e3 Be6 7. Ne5 Nd5 8. Bg3 Nxc3 9. bxc3 b5 10. Be2 f6 11. Nf3 Bg7 12. 0-0 0-0 13. a4 Nd7 14. axb5 cxb5 15. Ra6 Nb6 16. Qa1 Qd7 17. Nd2 Bd5 18. Bf3 Bxf3 19. Nxf3 Na4 20. Qa3 Rfc8 0-1

[Event "Belt and Road Hunan op-C"]
[Site "Changsha"]
[Date "2019.08.02"]
[Round "8"]
[White "Feng, Jiayi"]
[Black "Yang, Yifeng"]
[Result "1-0"]
[ECO "E01"]
[WhiteElo "1384"]
[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. d4 d5 2. c4 e6 3. Nf3 Nf6 4. g3 c6 5. Bg2 Nbd7 6. Qc2 Bb4+ 7. Bd2 Qa5 8. 0-0 dxc4 9. Qxc4 Bxd2 10. Nbxd2 Nb6 11. Qc2 Nfd5 12. a3 Ne7 13. e4 Ng6 14. e5 Nd5 15. Nc4 Qc7 16. Nd6+ Ke7 17. Qc5 Kd8 18. Ng5 b6 19. Ngxf7+ Kd7 20. Qc4 Rf8 21. Rac1 Nde7 22. Qe2 Nd5 23. Qg4 1-0

[Event "Belt and Road Hunan op-C"]
[Site "Changsha"]
[Date "2019.08.02"]
[Round "9"]
[White "Yang, Yifeng"]
[Black "Gu, Junhao"]
[Result "1-0"]
[ECO "A13"]
[PlyCount "101"]
[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. Nf3 Nc6 2. d4 e6 3. c4 Bb4+ 4. Nc3 Bxc3+ 5. bxc3 d5 6. cxd5 exd5 7. Bf4 Bg4 8. Ne5 Nxe5 9. Bxe5 f6 10. Bf4 Ne7 11. f3 Bf5 12. Rc1 Ng6 13. Bg3 c6 14. e3 Rc8 15. Be2 0-0 16. Qb3 Qb6 17. 0-0 Kh8 18. c4 Rfe8 19. Bf2 dxc4 20. Bxc4 Qxb3 21. axb3 b5 22. Bf7 Re7 23. Bxg6 Bxg6 24. Rc5 a5 25. d5 Rec7 26. Rfc1 a4 27. bxa4 bxa4 28. d6 Rb7 29. g4 Kg8 30. Rxc6 Rxc6 31. Rxc6 Rd7 32. Bg3 Kf7 33. e4 h5 34. h3 Ke6 35. Ra6 hxg4 36. hxg4 Be8 37. Rxa4 Rxd6 38. Ra7 Rd7 39. Ra6+ Ke7 40. e5 fxe5 41. Bxe5 Kf8 42. f4 Rd1+ 43. Kf2 Rf1+ 44. Kg2 Rd1 45. g5 Rd2+ 46. Kf3 Bh5+ 47. Ke4 Re2+ 48. Kd3 Rf2 49. Ra8+ Be8 50. Ke3 Rc2 51. Bxg7+ 1-0

[Event "Belt and Road Hunan op-C"]
[Site "Changsha"]
[Date "2019.08.01"]
[Round "6"]
[White "Xue, Yujun"]
[Black "Yang, Yifeng"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1454"]
[PlyCount "60"]
[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 d5 2. Nf3 e6 3. Bf4 Nf6 4. c3 Nbd7 5. e3 c6 6. Bd3 Be7 7. Nbd2 b5 8. a4 b4 9. 0-0 bxc3 10. bxc3 Qa5 11. c4 Ba6 12. Qc2 0-0 13. Rfb1 h6 14. h3 Nh5 15. Bh2 f5 16. Nb3 Qd8 17. c5 Bxd3 18. Qxd3 Nhf6 19. Qa6 Qc8 20. Qxc8 Rfxc8 21. Na5 Bd8 22. Nb7 Bc7 23. Bxc7 Rxc7 24. Na5 g5 25. Rb4 Ne4 26. Rab1 g4 27. Ne1 gxh3 28. Rb7 Rac8 29. gxh3 Nc3 30. R1b4 Na2 1-0

[Event "Belt and Road Hunan op-C"]
[Site "Changsha"]
[Date "2019.08.01"]
[Round "7"]
[White "Yang, Yifeng"]
[Black "Deng, Haipeng"]
[Result "1-0"]
[ECO "D79"]
[PlyCount "60"]
[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. Nf3 Nf6 2. g3 g6 3. Bg2 Bg7 4. 0-0 d5 5. c4 c6 6. cxd5 cxd5 7. d4 0-0 8. Bf4 Qb6 9. Qb3 Qxb3 10. axb3 Nc6 11. e3 Bf5 12. Nc3 Be4 13. Nd2 Bxg2 14. Kxg2 Rfd8 15. Rfc1 Ne8 16. Nb5 a6 17. Nc7 Rac8 18. Nxe8 Rxe8 19. Rc5 f6 20. g4 e5 21. dxe5 fxe5 22. Bg3 Rcd8 23. Rd1 d4 24. e4 Bf8 25. Rc4 Bd6 26. Ra4 a5 27. Nc4 Bb4 28. Nb6 Bc5 29. Nd5 Re6 30. Rc4 Bd6 1-0

[Event "Belt and Road Hunan op-C"]
[Site "Changsha"]
[Date "2019.07.31"]
[Round "4"]
[White "Shu, Xinyue"]
[Black "Yang, Yifeng"]
[Result "1-0"]
[ECO "B45"]
[WhiteElo "1460"]
[PlyCount "60"]
[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 c5 2. Nf3 e6 3. d4 cxd4 4. Nxd4 Nc6 5. Nc3 Nf6 6. Ndb5 Bb4 7. a3 Bxc3+ 8. Nxc3 d5 9. exd5 Nxd5 10. Nxd5 Qxd5 11. Qxd5 exd5 12. Bf4 0-0 13. 0-0-0 Be6 14. g3 Rfd8 15. Bg2 h6 16. Rhe1 Rd7 17. b3 Rad8 18. Rd3 a6 19. Red1 g5 20. Be3 d4 21. Bxc6 bxc6 22. Bxd4 Bf5 23. Bf6 Rxd3 24. Bxd8 Rc3 25. Rd2 Kg7 26. Kb2 Rc5 27. Bb6 Rb5 28. Bd4+ f6 29. c4 Rb7 30. Kc3 Kg6 1-0

[Event "Belt and Road Hunan op-C"]
[Site "Changsha"]
[Date "2019.07.31"]
[Round "5"]
[White "Yang, Yifeng"]
[Black "Fu, Yuxiang"]
[Result "1-0"]
[ECO "D07"]
[PlyCount "60"]
[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 d5 2. c4 dxc4 3. Nf3 Nf6 4. Nc3 Nc6 5. e4 Bg4 6. Be3 e5 7. d5 Nd4 8. Bxd4 exd4 9. Qxd4 Bxf3 10. gxf3 Bb4 11. Bxc4 c6 12. 0-0-0 cxd5 13. Nxd5 Nxd5 14. Qxd5 Qxd5 15. Bxd5 Rc8+ 16. Kb1 b6 17. f4 0-0 18. a3 Bc5 19. f3 a5 20. h4 b5 21. h5 Rb8 22. Rh3 a4 23. f5 Kh8 24. Ka2 b4 25. axb4 Rxb4 26. f4 Rd8 27. Rhd3 g6 28. hxg6 fxg6 29. fxg6 hxg6 30. Rh1+ Kg7 1-0

[Event "Belt and Road Hunan op-C"]
[Site "Changsha"]
[Date "2019.07.30"]
[Round "2"]
[White "Li, Hangyu"]
[Black "Yang, Yifeng"]
[Result "0-1"]
[ECO "B12"]
[PlyCount "64"]
[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 c6 2. d4 d5 3. e5 Bf5 4. Nf3 f6 5. Nh4 Be6 6. Nc3 Nd7 7. f4 g6 8. Bd3 Bh6 9. f5 Bxc1 10. Rxc1 gxf5 11. Bxf5 Bxf5 12. Nxf5 fxe5 13. dxe5 Nxe5 14. 0-0 Qb6+ 15. Kh1 0-0-0 16. Qe2 Ng6 17. b3 Qc7 18. Nd4 Qe5 19. Qg4+ Kb8 20. Rce1 Qd6 21. Ne6 Rc8 22. Qh3 Nf6 23. Ng5 Rhg8 24. Ne6 Ka8 25. Ne2 Ne4 26. Rd1 Ne5 27. N2f4 Ng4 28. Kg1 Qe5 29. Rd3 Ngf6 30. Kh1 a6 31. c4 Qb2 32. Qf3 Ng4 0-1

[Event "Belt and Road Hunan op-C"]
[Site "Changsha"]
[Date "2019.07.30"]
[Round "3"]
[White "Yang, Yifeng"]
[Black "Deng, Zhennan"]
[Result "1-0"]
[ECO "D45"]
[PlyCount "34"]
[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. Nf3 d6 2. d4 Nf6 3. c4 Nbd7 4. Nc3 e6 5. b3 d5 6. e3 Bb4 7. Bd2 c6 8. Be2 0-0 9. 0-0 Qa5 10. Nb1 Bxd2 11. Qxd2 Qxd2 12. Nbxd2 Re8 13. cxd5 exd5 14. Bd3 Nf8 15. Ne5 Ng6 16. Nef3 Ng4 17. Bxg6 Nxe3 1-0

[Event "Belt and Road Hunan op-C"]
[Site "Changsha"]
[Date "2019.07.29"]
[Round "1"]
[White "Yang, Yifeng"]
[Black "Chen, Hongkai"]
[Result "0-1"]
[ECO "D52"]
[PlyCount "90"]
[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 d5 4. Bg5 c6 5. Nf3 Nbd7 6. e3 Bb4 7. Qc2 Qa5 8. Nd2 dxc4 9. Bxf6 Nxf6 10. Nxc4 Qc7 11. a3 Be7 12. Bd3 a6 13. Ne5 Bd6 14. Nf3 b5 15. Ne4 Nxe4 16. Bxe4 Bb7 17. Rc1 Rc8 18. Ng5 b4 19. a4 Qa5 20. Nxf7 b3+ 21. Qd2 Bb4 22. Rc3 Bxc3 23. Nd6+ Kd7 24. Qxc3 Qxc3+ 25. bxc3 Kxd6 26. c4 Rb8 27. c5+ Ke7 28. Kd2 Rhd8 29. Kc3 Ba8 30. Rb1 h6 31. f3 a5 32. Rxb3 Rxb3+ 33. Kxb3 Rb8+ 34. Kc3 Rb4 35. Bc2 Bb7 36. g3 Ba6 37. Bb3 Be2 38. f4 Kf6 39. e4 Bf3 40. Bc2 h5 41. e5+ Ke7 42. h4 Bd5 43. Bd1 Rb1 44. Bxh5 Rb3+ 45. Kc2 Rxg3 0-1

