[Event "Daqing Boyi Cup-B"]
[Site "Daqing"]
[Date "2024.07.15"]
[Round "5"]
[White "Sun, Xiheng"]
[Black "Dang, Letian"]
[Result "0-1"]
[ECO "D00"]
[BlackElo "1560"]
[PlyCount "74"]
[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. Bf4 Bf5 3. e3 e6 4. Nd2 Nf6 5. c4 Bb4 6. a3 Bxd2+ 7. Qxd2 c6 8. Qb4 b6 9. Nf3 Nbd7 10. Be2 c5 11. Qb3 0-0 12. 0-0 cxd4 13. exd4 dxc4 14. Bxc4 Be4 15. Bd6 Re8 16. Ne5 Nxe5 17. dxe5 Bd5 18. Rfd1 Bxc4 19. Qxc4 Nd5 20. Qb5 a6 21. Qb3 Rc8 22. Rac1 b5 23. Qg3 Qb6 24. b4 Rc4 25. Bc5 Qc6 26. Be3 Nc3 27. Rxc3 Rxc3 28. Qg5 h6 29. Qg4 Kh7 30. Rd6 Rc4 31. Qh5 Qe4 32. h3 Qf5 33. Qxf5+ exf5 34. Rxa6 Rxe5 35. Rb6 Rd5 36. Bc5 Rd3 37. Rxb5 Rxa3 0-1

[Event "Daqing Boyi Cup-B"]
[Site "Daqing"]
[Date "2024.07.14"]
[Round "3"]
[White "Sun, Xiheng"]
[Black "Zhou, Lin"]
[Result "0-1"]
[ECO "A21"]
[BlackElo "1548"]
[PlyCount "94"]
[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. c4 e5 2. Nc3 Bb4 3. g3 Bxc3 4. bxc3 d6 5. Bg2 Nc6 6. d4 Nge7 7. Bg5 h6 8. Bxe7 Qxe7 9. Rb1 0-0 10. e3 f5 11. Ne2 Nd8 12. 0-0 Rb8 13. Qb3 Kh8 14. Qa3 a6 15. dxe5 Qxe5 16. Nf4 Kh7 17. Nd3 Qe7 18. Rfe1 Ne6 19. Nf4 Nc5 20. Qb2 g5 21. Nd5 Qf7 22. Qc2 c6 23. Nb6 Be6 24. e4 Nxe4 25. Bxe4 fxe4 26. Rbd1 Bf5 27. Rxd6 Rbe8 28. Red1 Re7 29. Qd2 Bg4 30. Re1 Qf5 31. f4 gxf4 32. Qxf4 Qc5+ 33. Qe3 Qxd6 34. c5 Qe6 35. Qd4 Bf3 36. Nc4 Qh3 37. Ne3 Ref7 38. Qe5 Qd7 39. c4 Qd2 40. Qa1 Bh5 41. g4 Qf2+ 42. Kh1 Bxg4 43. Nxg4 Qf3+ 44. Kg1 Qxg4+ 45. Kh1 Qf3+ 46. Kg1 Rg8+ 47. Qg7+ Rgxg7# 0-1

[Event "Daqing Boyi Cup-B"]
[Site "Daqing"]
[Date "2024.07.13"]
[Round "1"]
[White "Sun, Xiheng"]
[Black "Yu, Zhenghuan"]
[Result "0-1"]
[ECO "A11"]
[BlackElo "1626"]
[PlyCount "70"]
[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. c4 c6 2. Nf3 Nf6 3. Nc3 d5 4. e3 Bf5 5. Qb3 Qb6 6. Qxb6 axb6 7. cxd5 Nxd5 8. Nxd5 cxd5 9. Nd4 Bd7 10. b3 e5 11. Nb5 Bxb5 12. Bxb5+ Nc6 13. Bb2 f6 14. 0-0 Ba3 15. Bxa3 Rxa3 16. Rac1 Kd7 17. Rc2 Rha8 18. Rfc1 Rxa2 19. Rxc6 bxc6 20. Bxc6+ Kd6 21. Bxa8 Rxa8 22. Kf1 Ra2 23. Ke2 Rb2 24. Rc8 Rxb3 25. Rg8 g5 26. Rh8 b5 27. Rxh7 b4 28. Rb7 Rb1 29. Kd3 b3 30. Rb6+ Kc5 31. Rxf6 Rc1 32. Rf8 b2 33. Rc8+ Kd6 34. Rb8 b1Q+ 35. Rxb1 Rxb1 0-1

