[Event "2021 Summer Marathon"] [Site "https://lichess.org/whGhwp4Z"] [Date "2021.08.07"] [White "Delacorta"] [Black "Tanya07"] [Result "1-0"] [UTCDate "2021.08.07"] [UTCTime "11:56:16"] [WhiteElo "1518"] [BlackElo "1972"] [WhiteRatingDiff "+11"] [BlackRatingDiff "-11"] [Variant "Standard"] [TimeControl "60+0"] [ECO "D04"] [Opening "Queen's Pawn Game: Colle System, Anti-Colle"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. Nf3 Bf5 3. e3 Nf6 { D04 Queen's Pawn Game: Colle System, Anti-Colle } 4. Bd3 e6 5. Bxf5 exf5 6. O-O Ne4 7. b3 Bd6 8. Bb2 O-O 9. Nbd2 c6 10. c4 Nd7 11. Qc2 Ndf6 12. cxd5 cxd5 13. Ne5 Rc8 14. Qd3 Re8 15. Rac1?! { (-0.45 → -1.20) Inaccuracy. Rfc1 was best. } (15. Rfc1) 15... Rxc1?! { (-1.20 → -0.61) Inaccuracy. Qa5 was best. } (15... Qa5 16. Nxe4 fxe4 17. Qb1 h5 18. a3 Qd8 19. b4 Qe7 20. Rxc8 Rxc8 21. Rc1 Rxc1+ 22. Qxc1) 16. Rxc1 Nxd2 17. Qxd2 Bxe5?? { (-0.48 → 2.26) Blunder. Ne4 was best. } (17... Ne4 18. Qd1) 18. dxe5 Ne4 19. Qb4? { (2.39 → 0.96) Mistake. Qc2 was best. } (19. Qc2 h5) 19... Qe7?? { (0.96 → Mate in 9) Checkmate is now unavoidable. b6 was best. } (19... b6 20. Qb5) 20. Qxe7 Rxe7?! { (41.79 → Mate in 2) Checkmate is now unavoidable. g6 was best. } (20... g6 21. Qxe8+) 21. Rc8+ Re8 22. Rxe8# { White wins by checkmate. } 1-0