[Event "2021 Spring Marathon"] [Site "https://lichess.org/1QPf72CC"] [Date "2021.04.10"] [White "Stubenfisch"] [Black "Krestoman"] [Result "0-1"] [UTCDate "2021.04.10"] [UTCTime "09:32:38"] [WhiteElo "2188"] [BlackElo "2654"] [WhiteRatingDiff "-1"] [BlackRatingDiff "+1"] [BlackTitle "FM"] [Variant "Standard"] [TimeControl "300+0"] [ECO "B06"] [Opening "Modern Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 g6 2. d4 Bg7 { B06 Modern Defense } 3. c4 a6 4. Nc3 e6 5. Be3 Ne7 6. Qd2 h6?! { (0.80 → 1.66) Inaccuracy. d5 was best. } (6... d5 7. e5) 7. Nf3 b6?! { (1.19 → 1.80) Inaccuracy. d5 was best. } (7... d5 8. Bd3 Nd7 9. O-O-O b5 10. cxd5 exd5 11. Kb1 Nb6 12. Ne5 Be6 13. Bc2 dxe4 14. Bxe4) 8. Bd3 Bb7 9. O-O d6 10. a3 Nd7 11. b4 e5?! { (1.22 → 1.87) Inaccuracy. g5 was best. } (11... g5 12. Rad1 c5 13. d5 O-O 14. Ne2 Ng6 15. Ng3 Qe7 16. Nh5 Bh8 17. Bb1 Rad8 18. h3) 12. d5 f5 13. exf5 gxf5?! { (2.00 → 2.93) Inaccuracy. Nxf5 was best. } (13... Nxf5 14. Rae1) 14. Qc2?? { (2.93 → 0.37) Blunder. Rae1 was best. } (14. Rae1) 14... O-O 15. Nd2?? { (0.30 → -2.34) Blunder. Be2 was best. } (15. Be2) 15... f4 16. Bxf4?! { (-2.39 → -3.73) Inaccuracy. Nde4 was best. } (16. Nde4 fxe3) 16... exf4 17. Nde4?! { (-3.98 → -6.10) Inaccuracy. Nf3 was best. } (17. Nf3 Ne5) 17... Ne5 18. Rad1 Nf5 19. Ne2 f3 20. N2g3 Nh4 21. Qd2 fxg2 22. Rfe1?! { (-12.86 → Mate in 1) Checkmate is now unavoidable. f4 was best. } (22. f4) 22... Nef3# { Black wins by checkmate. } 0-1