[Event "Round 4: Di Li - Liren Ding"] [Date "2022.03.29"] [Round "?"] [White "Di Li"] [Black "Liren Ding"] [Result "0-1"] [ECO "D38"] [Annotator "Stockfish 6s/Move 6 Threads"] [PlyCount "104"] [EventDate "2022.??.??"] {D38: Queen's Gambit Declined: Ragozin Defence (4 Nf3 Bb4)} 1. d4 Nf6 2. c4 e6 3. Nf3 d5 4. Nc3 Bb4 5. Bg5 h6 6. Bxf6 Qxf6 7. e3 O-O 8. Rc1 dxc4 9. Bxc4 c5 10. O-O cxd4 11. Ne4 Qf5 (11... Qe7 $1 $11 {is more appropriate.}) 12. Ng3 ({ Reject} 12. Qxd4 Nc6 13. Qd3 Rd8 $11) 12... Qa5 {[#] Strongly threatening ... dxe3. White has an edge.} 13. exd4 (13. a3 $5 Be7 14. exd4 $11 (14. Qxd4 Bf6 $11) (14. Nxd4 Nc6 $11)) 13... Rd8 $1 (13... Nc6 14. Qe2 Bd7 15. a3 Bd6 16. Ne4 Bf4 17. Rc3 Rad8 18. Rd1 b5 19. Bd3 b4 20. Rc5 Qb6 21. g3 Bb8 22. Qe3 f5 23. Rb5 f4 24. Qc1 Qc7 25. Rc5 fxg3 26. Ne5 gxf2+ 27. Nxf2 Qd6 28. Rxc6 {Aronian,L (2815)-Carlsen,M (2881) Dubai 2014 ½-½ (56)}) 14. Qe2 Nd7 (14... Bd7 $1 $11) 15. a3 $146 (15. Rfd1 Nf6 16. Ne5 Bd7 17. f4 Be8 18. f5 exf5 19. Nxf5 Rac8 20. Qf3 Bf8 21. Nxh6+ gxh6 22. Qxf6 Bg7 23. Bxf7+ Kh8 24. Ng6+ Kh7 25. Nf8+ { 1-0 (25) Tabatabaei,M (2577)-Aravindh,C (2617) Moscow 2018}) 15... Bf8 16. Rfd1 $1 Nf6 {Against d5} 17. Ne4 $1 Be7 18. Ne5 {Rd3 is the strong threat.} Bd7 19. Nc5 Bxc5 20. dxc5 Be8 $1 21. Qe3 Rxd1+ 22. Rxd1 Rd8 23. Rxd8 Qxd8 24. Qd3 { Inhibits Qd1+.} Qc7 25. Qd4 b6 26. b4 (26. cxb6 $14 {is superior.} axb6 27. h3) 26... Nd7 27. Nd3 bxc5 28. bxc5 Kf8 (28... Qa5 $11) 29. h4 (29. Bb5 $1 $14) 29... e5 $36 {Black has good play.} 30. Qd5 e4 31. Qxe4 Nxc5 32. Qd4 Nb7 33. Bd5 Nd6 {Hoping for ...Nb5.} 34. Qf4 (34. Qb4 $11) 34... Nb5 $1 $15 35. Ne5 $1 f6 36. Qb4+ Qe7 $1 37. Nd3 (37. Ng6+ $1 $15 Bxg6 38. Qxb5) 37... Qxb4 $19 38. axb4 {Endgame KBN-KBN} Ke7 {Threatens to win with ...Kd6.} 39. f3 $2 (39. Kf1 $17 {is a better defense.}) 39... Nd4 (39... Kd6 $19 {and Black stays clearly on top.} 40. Be4 Nc3) 40. Kf2 $17 {[#]} Bb5 (40... Kd6 $1 $17 41. Bc4 Nc6) 41. Nc1 (41. Ne1 $1 $15) 41... Kd6 $19 42. Bf7 (42. Be4 $17 {was the crucial defense.}) 42... Ke5 43. Na2 Ne2 {Against Nc3} 44. Ke3 f5 45. g3 f4+ 46. gxf4+ Nxf4 47. Nc3 Bc6 {aiming for ...Ng2+.} 48. h5 Ng2+ {Black is clearly winning.} 49. Kf2 Nh4 50. b5 Bd7 51. Ke3 Nf5+ 52. Kd3 Nd6 {Kd4+. Weighted Error Value: White=0.39/Black=0.14 (very precise)} 0-1

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