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[Event "KEM2022 M2 20+5 Swiss"] [Site "https://lichess.org/QWPO9UDD"] [Date "2022.01.09"] [White "Peter_Sindermann"] [Black "ad1982"] [Result "0-1"] [UTCDate "2022.01.09"] [UTCTime "12:30:01"] [WhiteElo "2135"] [BlackElo "2168"] [Variant "Standard"] [TimeControl "1200+5"] [ECO "D30"] [Opening "Queen's Gambit Declined"] [Termination "Normal"] [Annotator "lichess.org"] 1. c4 e6 2. d4 d5 { D30 Queen's Gambit Declined } 3. cxd5 exd5 4. Nc3 Nf6 5. Nf3 c6 6. Bg5 Be7 7. e3 O-O 8. Bd3 Nbd7 9. Qc2 Re8 10. O-O Ne4 11. Bf4?! { (1.05 → 0.33) Inaccuracy. Bxe4 was best. } (11. Bxe4 dxe4) 11... Nd6?? { (0.33 → 3.01) Blunder. Ndf6 was best. } (11... Ndf6 12. Nxe4) 12. Bxh7+ Kh8 13. Bd3 Nf6 14. a3 Be6?! { (2.68 → 3.84) Inaccuracy. Kg8 was best. } (14... Kg8 15. h3) 15. b4?! { (3.84 → 2.40) Inaccuracy. Ng5 was best. } (15. Ng5 Qc8) 15... b5?! { (2.40 → 3.25) Inaccuracy. Nfe4 was best. } (15... Nfe4 16. Bxd6 Nxd6 17. Ne5 g6 18. f4 Rg8 19. b5 cxb5 20. Nxb5 Nxb5 21. Bxb5 Rg7 22. Bd3) 16. Rac1 Nc4 17. Bxc4?? { (3.19 → 0.60) Blunder. Ng5 was best. } (17. Ng5) 17... bxc4?! { (0.60 → 1.41) Inaccuracy. dxc4 was best. } (17... dxc4 18. Ng5 Qd7 19. Be5 Kg8 20. Bxf6 Bf5 21. Nge4 gxf6 22. Qe2 a5 23. Qf3 axb4 24. axb4) 18. b5 Bxa3 19. Ra1 Bd6? { (1.07 → 2.93) Mistake. Bb4 was best. } (19... Bb4 20. bxc6) 20. Bg5?? { (2.93 → -0.77) Blunder. Bxd6 was best. } (20. Bxd6) 20... Qd7? { (-0.77 → 0.35) Mistake. cxb5 was best. } (20... cxb5 21. Nxb5 a5 22. Ne5 Qb6 23. Nxd6 Qxd6 24. Ra2 Reb8 25. Rfa1 Rb3 26. h3 Qb6 27. Bxf6) 21. Bxf6 gxf6 22. bxc6 Qxc6 23. Rfb1 a5 24. Rb2 Bb4 25. Na2?! { (-0.79 → -1.85) Inaccuracy. Rba2 was best. } (25. Rba2) 25... Rab8 26. Rab1 Qd6 27. Qa4?? { (-1.75 → -4.53) Blunder. Nh4 was best. } (27. Nh4) 27... c3 28. Rc2 Bd7 29. Qb3 a4 30. Qxb4 Rxb4 31. Rxb4 Rb8 32. Rxb8+ Qxb8 33. Nxc3 Bf5?! { (-7.01 → -5.23) Inaccuracy. Qb3 was best. } (33... Qb3) 34. Rd2?! { (-5.23 → -7.00) Inaccuracy. Ra2 was best. } (34. Ra2 Qb3) 34... Qb3 35. Nd1 a3 36. Kf1 a2 37. Rxa2?! { (-16.36 → Mate in 4) Checkmate is now unavoidable. g4 was best. } (37. g4 Bd3+) 37... Qxa2? { (Mate in 4 → -8.02) Lost forced checkmate sequence. Qxd1+ was best. } (37... Qxd1+ 38. Ne1 Bd3+ 39. Re2 Bxe2+ 40. Kg1 Qxe1#) 38. h3 Bd3+ 39. Ke1? { (-8.23 → Mate in 1) Checkmate is now unavoidable. Kg1 was best. } (39. Kg1 Qc2 40. Kh2 Qxd1 41. Kg3 Kg7 42. Nh2 Qg1 43. Nf3 Qc1 44. Kf4 Qc2 45. Kg3 Be4) 39... Qe2# { Black wins by checkmate. } 0-1