[Event "2021 Summer Marathon"] [Site "https://lichess.org/77YJcrzA"] [Date "2021.08.07"] [White "Sobabaka"] [Black "ZL123"] [Result "1-0"] [UTCDate "2021.08.07"] [UTCTime "15:22:24"] [WhiteElo "1688"] [BlackElo "2061"] [WhiteRatingDiff "+10"] [BlackRatingDiff "-15"] [Variant "Standard"] [TimeControl "60+0"] [ECO "D38"] [Opening "Queen's Gambit Declined: Ragozin Defense"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. c4 Nf6?! { (0.00 → 0.70) Inaccuracy. e6 was best. } (2... e6 3. Nc3 c6 4. e3 Nf6 5. b3 Nbd7 6. Bb2 Bd6 7. Bd3) 3. Nc3?! { (0.70 → 0.00) Inaccuracy. cxd5 was best. } (3. cxd5 c6 4. dxc6 Nxc6 5. Nf3 e5 6. Nxe5 Nxe5 7. dxe5 Qxd1+) 3... e6 4. Nf3 Bb4 { D38 Queen's Gambit Declined: Ragozin Defense } 5. a3 Ba5?? { (0.00 → 4.23) Blunder. Bxc3+ was best. } (5... Bxc3+ 6. bxc3 O-O 7. cxd5 exd5 8. e3 c5 9. c4 Be6 10. cxd5) 6. b4 Bxb4? { (3.89 → 7.23) Mistake. c5 was best. } (6... c5 7. bxa5 cxd4 8. Qxd4 Nc6 9. Qf4 O-O 10. e3 Re8 11. Qg3) 7. axb4 O-O 8. cxd5 Nxd5 9. Nxd5 Qxd5 10. e3 Bd7 11. Be2 Nc6 12. O-O Nxb4 13. Ba3 Nc6?! { (6.12 → 9.04) Inaccuracy. a5 was best. } (13... a5 14. Qd2 c5 15. Rfc1 cxd4 16. exd4 Qd6 17. Ne5 Rfc8 18. Nc4 Qc7 19. Ne3 Qd6 20. Rcb1) 14. Bxf8 Rxf8 15. Qc2 h5 16. Qd3 Qd6 17. Bd1 Qe7 18. Bc2 h4? { (7.79 → Mate in 1) Checkmate is now unavoidable. g6 was best. } (18... g6) 19. Qh7# { White wins by checkmate. } 1-0