[Event "Alekhine interno"] [Site "https://lichess.org/6upU7r3Y"] [Date "2021.05.09"] [White "B19240367Guerrero"] [Black "Hebermaximilien"] [Result "1-0"] [UTCDate "2021.05.09"] [UTCTime "04:09:51"] [WhiteElo "1593"] [BlackElo "2021"] [WhiteRatingDiff "+116"] [BlackRatingDiff "-47"] [Variant "Standard"] [TimeControl "900+10"] [ECO "D08"] [Opening "Queen's Gambit Declined: Albin Countergambit, Normal Line"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 d5 2. c4 e5?! { (0.00 → 0.90) Inaccuracy. e6 was best. } (2... e6 3. Nc3 c6 4. e3 Nf6 5. b3 Nbd7 6. Bb2 Bd6 7. Bd3) 3. dxe5 d4 4. Nf3 { D08 Queen's Gambit Declined: Albin Countergambit, Normal Line } Nc6 5. Bf4 Qe7?? { (0.28 → 2.64) Blunder. Nge7 was best. } (5... Nge7 6. g3 Ng6 7. Bg2 Bg4 8. Nbd2 Qd7 9. h3 Bf5 10. a3) 6. Nxd4 Qb4+ 7. Nc3 Qxb2?! { (3.11 → 4.08) Inaccuracy. Nxd4 was best. } (7... Nxd4) 8. Ndb5 Bb4 9. Bd2 Ba5?? { (3.49 → 7.89) Blunder. Nd4 was best. } (9... Nd4 10. Nxc7+) 10. Rb1 Qxb1 11. Qxb1 Nge7 12. e3 Bf5 13. Bd3 Be6 14. O-O O-O-O 15. Qc2 Nb4 16. Qa4 b6 17. Ne4 Nxd3 18. Bxa5 Nb2 19. Qb4 Nxc4 20. Qxe7 Nxa5? { (8.75 → Mate in 1) Checkmate is now unavoidable. Rd7 was best. } (20... Rd7 21. Nxa7+) 21. Qxc7# { White wins by checkmate. } 1-0