[Event "4th WC Alekhine Birthday Swiss"] [Site "https://lichess.org/CMg6L9Q9"] [Date "2021.10.31"] [White "contediluna"] [Black "L0gikk"] [Result "0-1"] [UTCDate "2021.10.31"] [UTCTime "13:24:27"] [WhiteElo "2205"] [BlackElo "2090"] [WhiteRatingDiff "-13"] [BlackRatingDiff "+22"] [Variant "Standard"] [TimeControl "300+5"] [ECO "A01"] [Opening "Nimzo-Larsen Attack"] [Termination "Normal"] [Annotator "lichess.org"] 1. b3 { A01 Nimzo-Larsen Attack } g6 2. Bb2 Nf6 3. e3 Bg7 4. Nf3 O-O 5. d4 b6 6. Bd3?! { (0.20 → -0.36) Inaccuracy. g3 was best. } (6. g3 Bb7 7. Bg2 e6 8. c4 d5 9. O-O Nbd7 10. Ne5 Qe7) 6... Bb7 7. O-O d6 8. Nbd2 Nbd7 9. Qe2 Rb8 10. c4 Re8 11. e4 e5 12. d5 Nc5 13. Bc2 a5 14. a3 Nfd7?? { (0.48 → 2.75) Blunder. Na6 was best. } (14... Na6 15. Nb1 Nh5 16. Nc3 Bc8 17. Bc1 Nf4 18. Qd1 Qd7 19. Ne1 c6 20. dxc6 Qxc6 21. Be3) 15. b4 axb4 16. axb4 Na6 17. c5?? { (2.67 → -0.45) Blunder. Ra4 was best. } (17. Ra4 Ra8 18. Rfa1 Rf8 19. Bc3 f5 20. R4a3 Rf7 21. exf5 gxf5 22. Nf1 e4 23. Nd4 Bxd4) 17... Nxb4 18. Ba4?? { (-0.48 → -4.06) Blunder. cxd6 was best. } (18. cxd6 cxd6) 18... bxc5?! { (-4.06 → -2.70) Inaccuracy. Ba6 was best. } (18... Ba6 19. Qe3) 19. Rfb1 Nxd5? { (-2.97 → -1.30) Mistake. c6 was best. } (19... c6 20. Nc4) 20. exd5 e4?? { (-1.47 → 0.32) Blunder. Bxd5 was best. } (20... Bxd5) 21. Ne1 Bxb2?? { (0.05 → 3.03) Blunder. Bxd5 was best. } (21... Bxd5 22. Bxg7 Rxb1 23. Nxb1 Kxg7 24. Nc3 c6 25. Qd2 Qf6 26. Rd1 Re5 27. Nc2 Rg5 28. Ne3) 22. Rxb2 Nb6? { (2.96 → 5.10) Mistake. Ba6 was best. } (22... Ba6 23. Rxb8) 23. Bc6?? { (5.10 → -1.52) Blunder. Bxe8 was best. } (23. Bxe8) 23... Bxc6 24. dxc6 Qf6 25. Rba2 d5 26. g3 Qxc6 27. Nc2?! { (-2.13 → -3.28) Inaccuracy. Ra5 was best. } (27. Ra5 Nd7) 27... Nd7?! { (-3.28 → -1.97) Inaccuracy. d4 was best. } (27... d4) 28. Ra6 Rb6 29. Ra8?? { (-2.64 → -9.49) Blunder. R6a2 was best. } (29. R6a2 Kg7) 29... Rxa8 30. Rxa8+ Qxa8 31. Qg4 Ne5 32. Qf4 Nf3+ 33. Nxf3 exf3 34. Qxf3 c6 35. Ne3 Qa1+ 36. Kg2 Qb1 37. Ng4 f5 38. Nf6+ Kf7 39. Nd7 Rb4 40. Qc3 Qe4+ 41. f3? { (-9.49 → Mate in 3) Checkmate is now unavoidable. Kh3 was best. } (41. Kh3 Qh1) 41... Qe2+ 42. Kh3 Qf1# { Black wins by checkmate. } 0-1