[Event "2023 Winter Marathon"] [Site "https://lichess.org/UmPcqPhY"] [Date "2023.12.29"] [White "Janis_Grigulis"] [Black "Ch5ssPlayer"] [Result "1-0"] [UTCDate "2023.12.29"] [UTCTime "11:04:42"] [WhiteElo "2065"] [BlackElo "2667"] [WhiteRatingDiff "+11"] [BlackRatingDiff "-11"] [BlackTitle "FM"] [Variant "Standard"] [TimeControl "180+0"] [ECO "A02"] [Opening "Bird Opening: From's Gambit, Lasker Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. f4 e5? { (-0.31 → 0.80) Mistake. d5 was best. } (1... d5 2. e3 Nf6 3. Nf3 c5 4. Be2 g6 5. b3 Bg7 6. Bb2) 2. fxe5 d6 3. exd6 Bxd6 4. Nf3 g5 { A02 Bird Opening: From's Gambit, Lasker Variation } 5. g3 g4 6. Nh4 Ne7 7. d4 Ng6 8. Nxg6 hxg6 9. Qd3 Qe7 10. Bg2 Nc6 11. c3 Bf5 12. e4 O-O-O 13. Be3 Rde8? { (0.64 → 2.22) Mistake. Bd7 was best. } (13... Bd7) 14. Nd2 Kb8? { (2.34 → 3.97) Mistake. Bd7 was best. } (14... Bd7 15. O-O-O) 15. O-O-O?! { (3.97 → 2.69) Inaccuracy. O-O was best. } (15. O-O) 15... Bc8 16. e5 Nxe5? { (2.38 → 4.37) Mistake. f6 was best. } (16... f6) 17. dxe5 Bxe5 18. Nc4 Bf5? { (3.95 → 7.58) Mistake. Bg7 was best. } (18... Bg7 19. Bf4 Bh6 20. Bxh6 Rxh6 21. Qd2 Reh8 22. Rhe1 Qf6 23. b3 Rxh2 24. Re2 R8h5 25. Kb2) 19. Qd5 Bf6? { (7.42 → Mate in 1) Checkmate is now unavoidable. Bc8 was best. } (19... Bc8 20. Qxe5 Qxe5 21. Nxe5 Rxe5 22. Bd4 Re2 23. Bxh8 Rxg2 24. Rd2 Rxd2 25. Kxd2 Be6 26. Re1) 20. Qxb7# { White wins by checkmate. } 1-0