[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 "8"]
[White "Dang, Letian"]
[Black "Tong, Yiyi"]
[Result "0-1"]
[ECO "D02"]
[WhiteElo "1560"]
[BlackElo "1662"]
[PlyCount "106"]
[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. Bf4 d5 3. Nf3 e6 4. e3 c5 5. c3 Nc6 6. Bd3 Bd6 7. Bg3 0-0 8. Ne5 Qc7 9. f4 Ne4 10. Nd2 Bxe5 11. fxe5 f5 12. Bxe4 fxe4 13. a3 cxd4 14. cxd4 Qe7 15. Qg4 Bd7 16. Bh4 Qe8 17. 0-0-0 Na5 18. Kb1 Bb5 19. Rc1 Bd3+ 20. Ka1 Nc4 21. Nxc4 dxc4 22. Bf6 Rf7 23. Bh4 Qd7 24. Qd1 b5 25. Be1 a5 26. b3 Qe7 27. Kb2 Raf8 28. Qd2 a4 29. b4 Qg5 30. Bg3 Qg4 31. Bf4 g5 32. h3 Qf5 33. g4 Qg6 34. Bg3 Rf3 35. Rcg1 c3+ 36. Qxc3 Rxe3 37. Rh2 Ref3 38. Rd2 Bc4 39. Qc1 Rb3+ 40. Ka1 Rff3 41. Ra2 Rbc3 42. Qb2 Bxa2 43. Kxa2 Rxg3 44. Rxg3 Rxg3 45. Qe2 Qf7 46. Qh2 Qf3 47. Qb2 Rg2 48. d5 Rxb2+ 49. Kxb2 Qb3+ 50. Kc1 e3 51. d6 e2 52. Kd2 Qd1+ 53. Ke3 e1Q# 0-1

[Event "Daqing Boyi Cup-B"]
[Site "Daqing"]
[Date "2024.07.16"]
[Round "7"]
[White "Wu, Yihan"]
[Black "Dang, Letian"]
[Result "1/2-1/2"]
[ECO "D02"]
[WhiteElo "1684"]
[BlackElo "1560"]
[PlyCount "76"]
[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. Nf3 d5 2. d4 Bf5 3. g3 e6 4. c4 Nf6 5. Nc3 c6 6. Qb3 Qc8 7. Nh4 Be4 8. f3 Bg6 9. Nxg6 hxg6 10. Bg2 Bd6 11. f4 Nbd7 12. 0-0 Qb8 13. e4 dxe4 14. Nxe4 Nxe4 15. Bxe4 Nf6 16. Bg2 Qc7 17. Qf3 Qa5 18. b3 Qh5 19. Qxh5 Nxh5 20. g4 Nf6 21. h3 0-0 22. Be3 Rfe8 23. a3 Rac8 24. a4 a5 25. Rad1 Bb4 26. Bd2 Bxd2 27. Rxd2 Red8 28. Rfd1 Rd7 29. Kf2 Rcd8 30. Ke3 Kf8 31. Bf3 Ke7 32. h4 Rd6 33. Rb2 b6 34. Rc2 c5 35. Rcd2 cxd4+ 36. Rxd4 Rxd4 37. Rxd4 Rxd4 38. Kxd4 Kd6 1/2-1/2

[Event "Daqing Boyi Cup-B"]
[Site "Daqing"]
[Date "2024.07.15"]
[Round "6"]
[White "Dang, Letian"]
[Black "Zheng, Yifeng"]
[Result "1-0"]
[ECO "D02"]
[WhiteElo "1560"]
[PlyCount "47"]
[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. Bf4 d5 3. e3 e6 4. Nf3 Bd6 5. Bg3 c6 6. c4 Bxg3 7. hxg3 Qd6 8. c5 Qc7 9. Nc3 Nbd7 10. Bd3 e5 11. Bf5 e4 12. Bxd7+ Bxd7 13. Ne5 Be6 14. f4 0-0-0 15. b4 Nd7 16. Nxd7 Qxd7 17. a4 g5 18. b5 gxf4 19. gxf4 Rhg8 20. Kf2 Rg7 21. bxc6 Qxc6 22. Nb5 Rdg8 23. Rg1 Bg4 24. Qb3 1-0

[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 "CHN-ch Gp-B"]
[Site "Liaocheng"]
[Date "2024.04.21"]
[Round "1"]
[White "Zhang, Yinzhe"]
[Black "Dang, Letian"]
[Result "1-0"]
[ECO "A20"]
[WhiteElo "1927"]
[BlackElo "1574"]
[PlyCount "81"]
[EventDate "2024.04.21"]
[EventType "swiss"]
[EventRounds "11"]
[EventCountry "CHN"]
[SourceTitle "CBM 219 Extra"]
[Source "ChessBase"]
[SourceDate "2024.05.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.05.31"]
[SourceQuality "1"]

1. e3 Nf6 2. c4 e5 3. d3 c6 4. Nf3 d6 5. b3 g6 6. Bb2 Bg7 7. Be2 0-0 8. Nbd2 Nbd7 9. Rc1 Re8 10. 0-0 Nc5 11. b4 Ncd7 12. Qc2 Nh5 13. d4 f5 14. dxe5 Nxe5 15. Nxe5 dxe5 16. Bxh5 gxh5 17. Nf3 Qc7 18. Rfd1 e4 19. Ng5 h6 20. Nh3 Be6 21. Nf4 Kh7 22. Nxh5 Bxb2 23. Qxb2 Rf8 24. Nf4 Rae8 25. Rd4 Rf7 26. Rcd1 c5 27. bxc5 Qxc5 28. Rd8 Qe7 29. Rxe8 Qxe8 30. Qe5 Bd7 31. Qd6 Rg7 32. Nd5 Rg6 33. Nf6+ Rxf6 34. Qxf6 Qe6 35. Qf8 Qe8 36. Qd6 Bc6 37. Qc7+ Kg6 38. Rd6+ Kh5 39. Qg7 Qg6 40. Rxg6 Bd5 41. Rxh6# 1-0

[Event "Hong Kong op"]
[Site "Hong Kong"]
[Date "2023.12.29"]
[Round "9"]
[White "Xu, Yichen"]
[Black "Dang, Letian"]
[Result "1/2-1/2"]
[ECO "D02"]
[BlackElo "1304"]
[PlyCount "86"]
[EventDate "2023.12.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 c6 2. Bf4 d5 3. e3 Bf5 4. c3 Nf6 5. Nd2 e6 6. Qb3 Qb6 7. Ngf3 Nbd7 8. Be2 Be7 9. 0-0 0-0 10. Ne5 Nxe5 11. Bxe5 Ne4 12. Nxe4 Bxe4 13. Qxb6 axb6 14. Rfd1 b5 15. a3 Ra7 16. Bd3 Bxd3 17. Rxd3 Rfa8 18. Rc1 f6 19. Bg3 h5 20. f3 f5 21. h3 g5 22. Bh2 Rf8 23. Re1 b6 24. e4 dxe4 25. fxe4 f4 26. Rf3 c5 27. g3 fxg3 28. Rxf8+ Kxf8 29. Bxg3 Rd7 30. Be5 b4 31. axb4 cxb4 32. Ra1 bxc3 33. Ra8+ Rd8 34. Rxd8+ Bxd8 35. bxc3 Kf7 36. Kf2 b5 37. Ke2 Ba5 38. d5 exd5 39. exd5 Bd8 40. Kd3 Bf6 41. Bc7 Ke7 42. c4 bxc4+ 43. Kxc4 Kd7 1/2-1/2

[Event "Hong Kong op"]
[Site "Hong Kong"]
[Date "2023.12.28"]
[Round "8"]
[White "Dang, Letian"]
[Black "Qian, Tsz Man Ryan"]
[Result "1-0"]
[ECO "D55"]
[WhiteElo "1304"]
[PlyCount "83"]
[EventDate "2023.12.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 e6 3. Nc3 Nf6 4. Bg5 Be7 5. Nf3 0-0 6. e3 b6 7. cxd5 exd5 8. Bd3 Bb7 9. 0-0 Nbd7 10. Rc1 h6 11. Bxf6 Nxf6 12. a3 c5 13. Re1 Qd7 14. Ne5 Qc7 15. b4 c4 16. Bb1 Nd7 17. Qc2 f5 18. Ng6 Rf7 19. Nxe7+ Rxe7 20. Qxf5 Nf6 21. e4 dxe4 22. Nxe4 Bxe4 23. Bxe4 Rae8 24. Bd5+ Nxd5 25. Qxd5+ Kh8 26. Rxe7 Qxe7 27. Qxc4 Qg5 28. Rd1 Qf4 29. Qd3 Rf8 30. Qe3 Qg4 31. f3 Qd7 32. d5 Re8 33. Qc3 Rc8 34. Qb3 a5 35. d6 Rc6 36. Qd5 axb4 37. axb4 Kh7 38. Qe4+ Kh8 39. Qxc6 Qxc6 40. d7 Qb5 41. d8Q+ Kh7 42. Qd3+ 1-0

[Event "Hong Kong op"]
[Site "Hong Kong"]
[Date "2023.12.27"]
[Round "7"]
[White "Wu, Pei Ti"]
[Black "Dang, Letian"]
[Result "1/2-1/2"]
[ECO "D13"]
[BlackElo "1304"]
[PlyCount "59"]
[EventDate "2023.12.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. cxd5 cxd5 4. Nc3 Nc6 5. Nf3 Nf6 6. Bf4 a6 7. e3 Bf5 8. a3 e6 9. Rc1 Bd6 10. Bxd6 Qxd6 11. Be2 0-0 12. Nh4 Bg6 13. Nxg6 fxg6 14. g4 Rae8 15. g5 Nd7 16. f4 Ne7 17. Bd3 Nf5 18. Qf3 Nxd4 19. exd4 Rxf4 20. Qg3 e5 21. Ne2 Qb6 22. Rc2 Rff8 23. dxe5 Nxe5 24. Rf1 Rxf1+ 25. Kxf1 Qb3 26. Nf4 Rf8 27. Kg2 Qb6 28. Nxd5 Qd4 29. Ne7+ Kh8 30. Bxg6 1/2-1/2

[Event "Hong Kong op"]
[Site "Hong Kong"]
[Date "2023.12.26"]
[Round "4"]
[White "Dang, Letian"]
[Black "Chen, Zhiyuan"]
[Result "1/2-1/2"]
[ECO "D90"]
[WhiteElo "1304"]
[BlackElo "1632"]
[PlyCount "129"]
[EventDate "2023.12.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 c6 3. Nc3 d5 4. cxd5 cxd5 5. Bf4 Nc6 6. Nf3 g6 7. e3 Bg7 8. Bb5 0-0 9. 0-0 Nh5 10. Bg3 Nxg3 11. hxg3 h6 12. Qb3 e6 13. Bxc6 bxc6 14. Rac1 Ba6 15. Rfe1 Qa5 16. Qa4 Qb6 17. Qc2 Bb5 18. Nxb5 cxb5 19. Qc6 Qa5 20. a3 Rab8 21. Qc7 Qa4 22. Qc2 Qa6 23. Qc6 Rb6 24. Qc2 b4 25. axb4 Rxb4 26. Ra1 Qb6 27. Reb1 Rb8 28. b3 Rb7 29. Kh2 Kh7 30. Qa2 Bf6 31. Qa5 Rxb3 32. Qxb6 R3xb6 33. Rxb6 axb6 34. Rb1 b5 35. Nd2 Rc7 36. Nf3 Rb7 37. Nd2 Be7 38. Nb3 Rc7 39. Rc1 Rc4 40. Kg1 Kg7 41. Kf1 Kf8 42. Ke2 Ke8 43. Kd1 Kd7 44. Na5 Rxc1+ 45. Kxc1 Bb4 46. Nb7 Be1 47. Nc5+ Kc6 48. Nd3 Ba5 49. Ne5+ Kc7 50. Nxf7 Be1 51. Nxh6 Bxf2 52. Ng4 Bxg3 53. Kb2 Kd7 54. Kb3 Bd6 55. Nf2 Ke7 56. Nd3 Kf6 57. Nf2 Kf5 58. Kc3 Kg5 59. e4 Kf4 60. e5 Be7 61. Nd3+ Kg3 62. Nc5 Kxg2 63. Nxe6 Kf3 64. Nc7 g5 65. Nxd5 1/2-1/2

[Event "Hong Kong op"]
[Site "Hong Kong"]
[Date "2023.12.26"]
[Round "5"]
[White "Song, Sichen"]
[Black "Dang, Letian"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "1156"]
[BlackElo "1304"]
[PlyCount "109"]
[EventDate "2023.12.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Bf4 dxc4 4. e3 b5 5. a4 Qa5+ 6. Nc3 b4 7. Ne4 b3+ 8. Qd2 Qb6 9. Bxc4 Bf5 10. Nc3 Nf6 11. f3 Na6 12. e4 Be6 13. Bd3 Nb4 14. Nge2 Nh5 15. Be3 Rd8 16. 0-0 g6 17. a5 Qb7 18. Na4 Nxd3 19. Qxd3 Bg7 20. Nc5 Qb4 21. Rfc1 0-0 22. Ra4 Qb8 23. Nxe6 fxe6 24. Rxc6 Be5 25. Ng3 Bxg3 26. hxg3 Qxg3 27. Bf2 Qxg2+ 28. Kxg2 Nf4+ 29. Kg3 Nxd3 30. Rc3 Nxb2 31. Rb4 Nd1 32. Rcxb3 Nxf2 33. Kxf2 h5 34. Ke3 Rd7 35. Rb5 Rfd8 36. Rb7 Kf7 37. Kf4 Kf6 38. e5+ Kf7 39. Kg5 h4 40. Kxh4 Rxd4+ 41. Kg3 R8d7 42. a6 Ke8 43. Rc3 Ra4 44. Rc8+ Rd8 45. Rcc7 Rxa6 46. Rxe7+ Kf8 47. Kg4 Rd5 48. Rec7 Ke8 49. Rh7 Ra4+ 50. Kg3 Rd7 51. Rhxd7 Rb4 52. Rxa7 Rb1 53. Rh7 Rg1+ 54. Kf2 Ra1 55. Rh8# 1-0

[Event "Hong Kong op"]
[Site "Hong Kong"]
[Date "2023.12.25"]
[Round "3"]
[White "Lee, Alexandre KM"]
[Black "Dang, Letian"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1913"]
[BlackElo "1304"]
[PlyCount "61"]
[EventDate "2023.12.24"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "HKG"]
[SourceTitle "CBM 217 Extra"]
[Source "ChessBase"]
[SourceDate "2024.01.31"]
[SourceVersion "1"]
[SourceVersionDate "2024.01.31"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. h4 h6 5. g4 Bh7 6. e6 fxe6 7. Bd3 Nf6 8. Bxh7 Rxh7 9. Qd3 Rh8 10. f4 Ne4 11. Nd2 Nxd2 12. Bxd2 Qc8 13. Nf3 Nd7 14. Qg6+ Kd8 15. Ne5 Nxe5 16. fxe5 c5 17. dxc5 Qxc5 18. 0-0-0 Rc8 19. Kb1 Rc6 20. Bc3 b5 21. Bd4 Qc4 22. b3 Qb4 23. Bb2 Qa5 24. Rxd5+ Kc7 25. Rd3 b4 26. Qe8 Qc5 27. Rd7+ Kb6 28. Bd4 Qxd4 29. Rxd4 Rc7 30. Rxb4+ Ka6 31. Qb5# 1-0

[Event "Tianjin Binhai Cup-B 3rd"]
[Site "Tianjin"]
[Date "2023.08.22"]
[Round "5"]
[White "Dang, Letian"]
[Black "Sun, Jihan"]
[Result "0-1"]
[ECO "D15"]
[BlackElo "1799"]
[PlyCount "50"]
[EventDate "2023.08.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. d4 d5 2. c4 c6 3. Nf3 Nf6 4. Nc3 dxc4 5. e3 b5 6. a3 e6 7. Ne5 Bb7 8. Bd2 Nbd7 9. f4 a6 10. Nf3 c5 11. Rg1 cxd4 12. Nxd4 Bc5 13. g3 Qb6 14. Nc2 0-0 15. g4 Ne4 16. f5 Ne5 17. Nxe4 Bxe4 18. Rg3 Rad8 19. Be2 exf5 20. gxf5 Bxf5 21. Qc1 Qc6 22. e4 Qxe4 23. Bh6 Nd3+ 24. Rxd3 cxd3 25. Ne3 d2+ 0-1

[Event "Tianjin Binhai Cup-B 3rd"]
[Site "Tianjin"]
[Date "2023.08.22"]
[Round "4"]
[White "Wang, Bingfei"]
[Black "Dang, Letian"]
[Result "1-0"]
[ECO "D10"]
[WhiteElo "1623"]
[PlyCount "43"]
[EventDate "2023.08.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. d4 c6 2. c4 d5 3. cxd5 cxd5 4. Nc3 Nc6 5. Nf3 Bg4 6. Qb3 Bxf3 7. exf3 Nxd4 8. Qxb7 Nf6 9. Bf4 Qc8 10. Ba6 Qxb7 11. Bxb7 Rd8 12. 0-0-0 Ne6 13. Bc6+ Nd7 14. Be3 Rc8 15. Bxd7+ Kxd7 16. Rxd5+ Ke8 17. Rhd1 f6 18. g3 Nc7 19. Rc5 e5 20. Rc4 Be7 21. Nb5 Bd8 22. Nd6+ 1-0

[Event "Tianjin Binhai Cup-B 3rd"]
[Site "Tianjin"]
[Date "2023.08.20"]
[Round "2"]
[White "Li, Deyang"]
[Black "Dang, Letian"]
[Result "1-0"]
[ECO "D13"]
[WhiteElo "1672"]
[PlyCount "95"]
[EventDate "2023.08.20"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "CBM 216 Extra"]
[Source "ChessBase"]
[SourceDate "2023.11.30"]
[SourceVersion "1"]
[SourceVersionDate "2023.11.30"]
[SourceQuality "1"]

1. d4 c6 2. c4 d5 3. cxd5 cxd5 4. Nc3 a6 5. Bf4 Nc6 6. e3 Nf6 7. Bd3 e6 8. Nf3 Bb4 9. 0-0 0-0 10. Rc1 Re8 11. Ne5 Bd6 12. Nxc6 bxc6 13. Bxd6 Qxd6 14. Na4 Rb8 15. Qe2 a5 16. f4 Nd7 17. b3 f5 18. Rc2 Nf6 19. Rfc1 Bd7 20. Rc5 Qc7 21. h3 h5 22. R5c2 g6 23. Nc5 Rb6 24. Qe1 Ne4 25. Bxe4 fxe4 26. Qxa5 Reb8 27. Na4 R6b7 28. Qxc7 Rxc7 29. Nc5 Ra8 30. a4 Bc8 31. Kf2 h4 32. Rb2 Rf7 33. Ke1 Rf5 34. b4 g5 35. fxg5 Rxg5 36. Rf2 Kg7 37. Kd2 Rb8 38. Kc3 Rg3 39. Re1 Rb6 40. Rb2 Kg6 41. b5 cxb5 42. axb5 Kf6 43. Kb4 Rg7 44. Rf1+ Kg5 45. Rf8 Bd7 46. Ka5 Rxb5+ 47. Rxb5 Bxb5 48. Nxe6+ 1-0

[Event "Daqing Boyi Cup-B"]
[Site "Daqing"]
[Date "2023.08.17"]
[Round "9"]
[White "Hu, Zehan"]
[Black "Dang, Letian"]
[Result "1-0"]
[ECO "B12"]
[WhiteElo "1626"]
[PlyCount "45"]
[EventDate "2023.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. e5 Bf5 4. Nc3 e6 5. g4 Bg6 6. Nge2 c5 7. h4 h6 8. Be3 Nc6 9. f4 Qb6 10. f5 Bh7 11. Qd2 cxd4 12. Nxd4 Nxe5 13. Bb5+ Ke7 14. 0-0-0 Qc7 15. Bf4 a6 16. Rhe1 Qc5 17. Rxe5 axb5 18. Nxd5+ Kd8 19. Nc3 Qc7 20. Ndxb5+ Ke8 21. Nxc7+ Ke7 22. Qd6+ Kf6 23. N3d5# 1-0

[Event "Daqing Boyi Cup-B"]
[Site "Daqing"]
[Date "2023.08.16"]
[Round "7"]
[White "Zhou, Ziteng"]
[Black "Dang, Letian"]
[Result "1-0"]
[ECO "A17"]
[PlyCount "85"]
[EventDate "2023.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 c6 2. g3 d5 3. Bg2 Nf6 4. c4 Bf5 5. Nc3 e6 6. cxd5 exd5 7. Qb3 Qb6 8. Na4 Qxd4 9. Nf3 Qb4+ 10. Bd2 Qxb3 11. axb3 Nbd7 12. 0-0 Be4 13. Nc3 Be7 14. Nxe4 Nxe4 15. Be3 Bc5 16. Nd4 Bxd4 17. Bxd4 Nd2 18. Bxg7 Rg8 19. Rfd1 Nxb3 20. Ra3 Rxg7 21. Rxb3 Nc5 22. Re3+ Kf8 23. b4 Ne6 24. b5 a6 25. bxc6 bxc6 26. Rc3 Nd8 27. e4 dxe4 28. Bxe4 f6 29. Rd6 Rf7 30. Rcd3 Nb7 31. Rxc6 Re8 32. Bf3 Re5 33. Rd4 Kg7 34. Rxa6 Nc5 35. Ra8 Ne6 36. Rd6 Ng5 37. Bd5 Re1+ 38. Kg2 Rc7 39. Rg8+ Kh6 40. Rxf6+ Kh5 41. Bf3+ Nxf3 42. g4+ Kh4 43. Rh6# 1-0

[Event "Daqing Boyi Cup-B"]
[Site "Daqing"]
[Date "2023.08.15"]
[Round "5"]
[White "Yu, Xilei"]
[Black "Dang, Letian"]
[Result "1-0"]
[ECO "B13"]
[PlyCount "95"]
[EventDate "2023.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. e4 c6 2. d4 d5 3. exd5 cxd5 4. Nf3 Nc6 5. c3 Bf5 6. Bb5 e6 7. Ne5 Qc7 8. Qa4 Nge7 9. Bf4 Qc8 10. 0-0 a6 11. Bxc6+ Nxc6 12. Re1 Be7 13. g4 Bg6 14. c4 dxc4 15. Nxg6 hxg6 16. Qxc4 b5 17. Qd3 Nb4 18. Qe4 f5 19. gxf5 gxf5 20. Qe2 Qc4 21. Qxc4 bxc4 22. Re2 Nd3 23. Be5 Rd8 24. Nc3 Kf7 25. b3 Nxe5 26. dxe5 Bb4 27. Na4 c3 28. a3 Ba5 29. b4 Bb6 30. Nxb6 Rb8 31. Nc4 Rh4 32. Nd6+ Ke7 33. Rc1 Rbh8 34. f3 R8h6 35. Rxc3 Rg6+ 36. Rg2 Rxg2+ 37. Kxg2 g5 38. Rc7+ Kd8 39. Rc8+ Ke7 40. Ra8 g4 41. f4 Rh3 42. Rxa6 Rf3 43. b5 Rxf4 44. b6 Rd4 45. b7 f4 46. b8Q f3+ 47. Kg3 Rd3 48. Qe8# 1-0

[Event "Daqing Boyi Cup-B"]
[Site "Daqing"]
[Date "2023.08.14"]
[Round "3"]
[White "Wang, Jiyan"]
[Black "Dang, Letian"]
[Result "1-0"]
[ECO "B44"]
[PlyCount "91"]
[EventDate "2023.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. c4 c5 2. Nc3 Nc6 3. Nf3 Nf6 4. d4 cxd4 5. Nxd4 e6 6. e4 Bb4 7. Nxc6 bxc6 8. Bd3 Qa5 9. Bd2 0-0 10. a3 Bxc3 11. Bxc3 Qg5 12. 0-0 Qf4 13. e5 Ne4 14. Bb4 c5 15. Bxe4 Qxe4 16. Bxc5 Rd8 17. Qd4 Qxd4 18. Bxd4 Ba6 19. Rfc1 h6 20. b4 Rdc8 21. Bc5 Rc7 22. a4 Bc8 23. a5 Ba6 24. Rc3 Rac8 25. Kf1 d5 26. exd6 Rd7 27. Rac1 Kh7 28. Be3 Rb8 29. b5 Bc8 30. Rb3 a6 31. c5 axb5 32. c6 Ba6 33. cxd7 b4+ 34. Ke1 Rd8 35. Rc7 e5 36. Bb6 Bc4 37. Rxb4 Be6 38. a6 Bxd7 39. Ra7 Rb8 40. Rxd7 Rxb6 41. Rxb6 f6 42. a7 e4 43. a8Q e3 44. Qe4+ f5 45. Qxf5+ Kg8 46. Rb8# 1-0

[Event "Daqing Boyi Cup-B"]
[Site "Daqing"]
[Date "2023.08.13"]
[Round "2"]
[White "Dang, Letian"]
[Black "Li, Yage"]
[Result "1/2-1/2"]
[ECO "E21"]
[BlackElo "1632"]
[PlyCount "81"]
[EventDate "2023.08.13"]
[EventType "swiss"]
[EventRounds "9"]
[EventCountry "CHN"]
[SourceTitle "EXT 2024"]
[Source "ChessBase"]
[SourceDate "2023.10.10"]
[SourceVersion "1"]
[SourceVersionDate "2023.10.10"]
[SourceQuality "1"]

1. d4 Nf6 2. c4 e6 3. Nc3 Bb4 4. a3 Bxc3+ 5. bxc3 b6 6. Nf3 Bb7 7. Bg5 h6 8. Bh4 d6 9. e3 g5 10. Bg3 Ne4 11. Bd3 f5 12. Bxe4 Bxe4 13. h3 Nd7 14. Rg1 Nf6 15. Nd2 Qd7 16. Nxe4 Nxe4 17. Qc2 Qc6 18. Qb3 0-0-0 19. c5 dxc5 20. Be5 Rhf8 21. f3 cxd4 22. cxd4 Nf6 23. Kf2 Qd5 24. Qc3 Rd7 25. Rgc1 Rff7 26. Qc6 Ng8 27. Qa4 Kb7 28. Rc3 Ne7 29. Rac1 Ng6 30. Bh2 f4 31. Qc2 Nh4 32. Rd1 g4 33. hxg4 h5 34. e4 Qg5 35. Qe2 hxg4 36. fxg4 f3 37. gxf3 Qxg4 38. Rg1 Qh5 39. Bg3 Rxd4 40. Rh1 Qa5 41. Rhc1 1/2-1/2

