[Event "2021 Winter Marathon"] [Site "https://lichess.org/76lupP20"] [Date "2021.12.28"] [White "Berlinforever"] [Black "Genius_is_back"] [Result "1-0"] [UTCDate "2021.12.28"] [UTCTime "14:58:25"] [WhiteElo "2098"] [BlackElo "2512"] [WhiteRatingDiff "+11"] [BlackRatingDiff "-14"] [Variant "Standard"] [TimeControl "180+0"] [ECO "D04"] [Opening "Queen's Pawn Game: Colle System"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. Nf3 Nf6 3. e3 { D04 Queen's Pawn Game: Colle System } c5 4. c3 cxd4 5. exd4 Nc6 6. Bd3 g6 7. O-O Bg7 8. h3 O-O 9. Qe2 Nh5 10. Re1 f6?? { (0.51 → 2.53) Blunder. a6 was best. } (10... a6 11. Be3 Re8 12. Nbd2 Qc7 13. Bc2 Bd7 14. Nb3 e5 15. dxe5 Nxe5 16. Nxe5 Bxe5 17. Qf3) 11. g4 e5 12. gxh5 e4 13. Bxe4?? { (2.39 → 0.48) Blunder. Bc2 was best. } (13. Bc2) 13... dxe4 14. Qxe4 Bf5 15. Qe2?! { (0.64 → -0.41) Inaccuracy. Qf4 was best. } (15. Qf4 Qd7 16. hxg6 hxg6 17. Qg3 Rae8 18. Be3 Bxh3 19. Nbd2 Ne7 20. c4 g5 21. d5 b6) 15... gxh5? { (-0.41 → 0.69) Mistake. g5 was best. } (15... g5) 16. Kg2? { (0.69 → -0.81) Mistake. Nh4 was best. } (16. Nh4 Bxh3) 16... Kh8? { (-0.81 → 0.80) Mistake. Qd7 was best. } (16... Qd7 17. Ng1) 17. Bf4?? { (0.80 → -1.71) Blunder. Nh4 was best. } (17. Nh4 Bd7) 17... Rg8?? { (-1.71 → 0.59) Blunder. Qd7 was best. } (17... Qd7 18. Kh2) 18. Kh2 Qb6?? { (0.65 → 3.40) Blunder. Qd7 was best. } (18... Qd7 19. Nbd2 Rae8 20. Qf1 Ne7 21. Bg3 Ng6 22. Rxe8 Rxe8 23. Nh4 Bh6 24. Ndf3 Be6 25. Qd3) 19. Na3 Na5 20. b4 Nc6?! { (4.16 → 5.98) Inaccuracy. Bd7 was best. } (20... Bd7 21. Nh4) 21. Rac1?? { (5.98 → 2.89) Blunder. Nc4 was best. } (21. Nc4 Qd8 22. b5 Na5 23. Nh4 Bg6 24. Nd6 Qd7 25. Qe6 Qxe6 26. Rxe6 a6 27. b6 Bf8) 21... Rac8?? { (2.89 → 5.86) Blunder. Bf8 was best. } (21... Bf8) 22. Nc4 Qa6 23. Nd6 Bd3? { (8.32 → Mate in 1) Checkmate is now unavoidable. Bg6 was best. } (23... Bg6) 24. Nf7# { White wins by checkmate. } 1-0