[Event "Welcome 2021 Marathon Arena"] [Site "https://lichess.org/9pr8isgL"] [Date "2020.12.31"] [White "Waign"] [Black "Iam_Kruchov"] [Result "1-0"] [UTCDate "2020.12.31"] [UTCTime "09:16:15"] [WhiteElo "2250"] [BlackElo "1880"] [WhiteRatingDiff "+2"] [BlackRatingDiff "-2"] [Variant "Standard"] [TimeControl "180+0"] [ECO "A47"] [Opening "Pseudo Queen's Indian Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. Nf3 b6 { A47 Pseudo Queen's Indian Defense } 3. c4 Bb7 4. a3 Nc6? { (0.25 → 1.37) Mistake. e6 was best. } (4... e6 5. Bf4 d5 6. cxd5 exd5 7. Ne5 Bd6 8. e3 O-O 9. Nc3) 5. d5 Nb8 6. Nc3 e6 7. e4 e5?! { (1.72 → 2.95) Inaccuracy. d6 was best. } (7... d6 8. Be3 Ng4 9. Bd2 e5 10. h3 Nf6 11. Qc2 g6 12. g4 Nbd7 13. O-O-O Bc8 14. Be3) 8. Nxe5 Bd6?! { (3.01 → 4.35) Inaccuracy. d6 was best. } (8... d6 9. Nd3) 9. Nf3 O-O 10. Bd3 Bc5?! { (4.45 → 6.12) Inaccuracy. c6 was best. } (10... c6 11. O-O Ng4 12. Bc2 f6 13. h3 Ne5 14. Nd4 g6 15. f4 Nxc4 16. b3 Na5 17. b4) 11. b4?! { (6.12 → 4.65) Inaccuracy. e5 was best. } (11. e5) 11... Bd6 12. O-O c6?! { (5.54 → 7.76) Inaccuracy. a5 was best. } (12... a5 13. bxa5 Re8 14. axb6 Na6 15. e5 Rxe5 16. Nb5 Re8 17. Bb2 Nc5 18. bxc7 Bxc7 19. Bxf6) 13. e5 Nxd5 14. cxd5 Bc7 15. d6 Bxd6 16. exd6 Qg5 17. Nxg5 f6?! { (21.25 → Mate in 4) Checkmate is now unavoidable. h6 was best. } (17... h6 18. Bh7+) 18. Bxh7+ Kh8 19. Qh5 g6 20. Bxg6+ Kg7 21. Qh7# { White wins by checkmate. } 1-0