[Event "Casual rapid game"] [Site "https://lichess.org/z4MgH7hn"] [Date "2021.12.31"] [White "Gui_pires"] [Black "marqv"] [Result "0-1"] [UTCDate "2021.12.31"] [UTCTime "03:42:39"] [WhiteElo "1293"] [BlackElo "1905"] [Variant "Standard"] [TimeControl "600+5"] [ECO "E21"] [Opening "Nimzo-Indian Defense: Three Knights Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. c4 e6 2. d4 Bb4+ 3. Nc3 Nf6 4. Nf3 { E21 Nimzo-Indian Defense: Three Knights Variation } Ne4 5. a3? { (0.56 → -0.87) Mistake. Qc2 was best. } (5. Qc2 d5 6. e3 c6 7. Nd2 Nf6 8. a3 Be7 9. Be2 O-O) 5... Nxc3 6. Qd2 Nxe2 7. Qxb4 Nc6 8. Qc5? { (-1.05 → -2.28) Mistake. Qd2 was best. } (8. Qd2 Nxc1 9. Rxc1 b6 10. Bd3 Bb7 11. Be4 O-O 12. O-O Na5 13. Bxb7 Nxb7 14. Rfe1 h6) 8... d6 9. Qh5 Nexd4 10. Bg5 Qd7 11. O-O-O e5?! { (-2.96 → -1.82) Inaccuracy. Nb3+ was best. } (11... Nb3+ 12. Kc2) 12. Nxd4 Nxd4?! { (-1.75 → -1.14) Inaccuracy. exd4 was best. } (12... exd4) 13. c5?? { (-1.14 → -5.32) Blunder. Rxd4 was best. } (13. Rxd4) 13... Qf5? { (-5.32 → -3.22) Mistake. Nb3+ was best. } (13... Nb3+ 14. Kb1) 14. Bc4?? { (-3.22 → Mate in 1) Checkmate is now unavoidable. Bd3 was best. } (14. Bd3 e4) 14... Qxf2?? { (Mate in 1 → -0.98) Lost forced checkmate sequence. Qc2# was best. } (14... Qc2#) 15. Rhf1?? { (-0.98 → Mate in 1) Checkmate is now unavoidable. Rxd4 was best. } (15. Rxd4 g6) 15... Qc2# { Black wins by checkmate. } 0-1