[Event "2021 Summer Marathon"] [Site "https://lichess.org/g9BoaNay"] [Date "2021.08.07"] [White "mysterious_expert"] [Black "Diego-Alexander"] [Result "0-1"] [UTCDate "2021.08.07"] [UTCTime "00:08:17"] [WhiteElo "2691"] [BlackElo "2345"] [WhiteRatingDiff "-10"] [BlackRatingDiff "+10"] [WhiteTitle "IM"] [Variant "Standard"] [TimeControl "60+0"] [ECO "A06"] [Opening "Zukertort Opening: Old Indian Attack"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nf3 d5 2. d3 { A06 Zukertort Opening: Old Indian Attack } c6 3. Bf4 Nf6 4. Bc7?? { (0.11 → -6.78) Blunder. Nbd2 was best. } (4. Nbd2 Nh5 5. Be5 Nd7 6. Bc3 e6 7. e4 b5 8. exd5 cxd5) 4... Qxc7 5. c3 Qd8 6. Nbd2 g6 7. e4 dxe4 8. dxe4 Bg7 9. e5 Nfd7 10. Bc4 Nxe5 11. Nxe5 Bxe5 12. Qe2 Bf6 13. O-O-O O-O 14. Ne4 Nd7 15. Nxf6+ exf6 16. h4 Re8 17. Qc2 Qc7 18. h5 Qf4+ 19. Kb1 Ne5 20. hxg6 hxg6 21. Bb3?! { (-6.37 → -11.43) Inaccuracy. Rd4 was best. } (21. Rd4 Qf5) 21... Bf5 { White resigns. } 0-1