[Event "Rated rapid game"] [Site "https://lichess.org/dtnIkTPa"] [Date "2021.10.31"] [White "mduart"] [Black "RozaRobot"] [Result "1-0"] [UTCDate "2021.10.31"] [UTCTime "14:07:47"] [WhiteElo "1802"] [BlackElo "1776"] [WhiteRatingDiff "+24"] [BlackRatingDiff "-14"] [Variant "Standard"] [TimeControl "900+10"] [ECO "D20"] [Opening "Queen's Gambit Accepted: Old Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. c4 dxc4 3. e3 { D20 Queen's Gambit Accepted: Old Variation } b5 4. a4 c6?! { (0.79 → 1.76) Inaccuracy. b4 was best. } (4... b4 5. Qf3 c6 6. Bxc4 e6 7. Ne2 Bb7 8. b3 Bd6 9. Nd2) 5. axb5 cxb5?? { (2.14 → 4.98) Blunder. Nf6 was best. } (5... Nf6 6. Bxc4 e6 7. Nf3 Bb7 8. Bd2 Bd6 9. Qe2 O-O 10. O-O) 6. Qf3 Nc6 7. Qxc6+ Bd7 8. Qc5?! { (4.91 → 3.23) Inaccuracy. Qa6 was best. } (8. Qa6 h5 9. Nf3 Rh6 10. Qa2 a5 11. Ne5 Rb6 12. Nc3 a4) 8... e6 9. Qe5 Nf6 10. Nf3 b4? { (3.44 → 6.40) Mistake. Bc6 was best. } (10... Bc6 11. Qg5 h6 12. Qh4 Bd6 13. Ne5 Bb7 14. Nc3 a6 15. f3 O-O 16. Be2 Rc8 17. Qf2) 11. Bxc4 Qc8 12. b3 Qc6 13. Ra6 Qc8 14. O-O Ng4 15. Qa5 Qb8 16. d5 Be7 17. dxe6 fxe6 18. Rd1 Rf8 19. Qh5+ g6 20. Qxg4 e5?! { (12.72 → Mate in 1) Checkmate is now unavoidable. Qc7 was best. } (20... Qc7 21. Rxd7) 21. Qxd7# { White wins by checkmate. } 1-0