[Event "≤1500 Rapid Arena"] [Site "https://lichess.org/lBxQVKXu"] [Date "2021.09.17"] [White "lukka00"] [Black "mingler2012"] [Result "0-1"] [UTCDate "2021.09.17"] [UTCTime "08:51:17"] [WhiteElo "1501"] [BlackElo "938"] [WhiteRatingDiff "-11"] [BlackRatingDiff "+22"] [Variant "Standard"] [TimeControl "600+0"] [ECO "E21"] [Opening "Nimzo-Indian Defense: Three Knights Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nf3 Nf6 2. d4 e6 3. c4 Bb4+ 4. Nc3 { E21 Nimzo-Indian Defense: Three Knights Variation } Be7? { (0.10 → 1.48) Mistake. O-O was best. } (4... O-O 5. Bd2 b6 6. e3 c5 7. Bd3 cxd4 8. Nxd4 Bb7 9. O-O) 5. e3?! { (1.48 → 0.48) Inaccuracy. e4 was best. } (5. e4 d5 6. cxd5 exd5 7. e5 Ne4 8. Bd3 Nxc3 9. bxc3 c5 10. O-O Nc6 11. dxc5 O-O) 5... Nc6?! { (0.48 → 1.29) Inaccuracy. d5 was best. } (5... d5 6. Be2 Nbd7 7. O-O O-O 8. b3 b6 9. cxd5 Nxd5 10. Nxd5) 6. Be2 d6 7. b4 Qd7? { (0.95 → 2.16) Mistake. O-O was best. } (7... O-O) 8. a3 Qd8 9. b5?! { (2.00 → 0.91) Inaccuracy. h3 was best. } (9. h3 e5 10. d5 Nb8 11. e4 a5 12. Be3 Nbd7 13. O-O Nh5 14. g3 O-O 15. Nd2 axb4) 9... Bd7?? { (0.91 → 8.76) Blunder. Na5 was best. } (9... Na5) 10. bxc6 Bxc6 11. d5 Bd7 12. dxe6 Bxe6 13. O-O Bd7 14. Bb2 O-O 15. a4 Bc6 16. Qc2 Bxf3 17. Bxf3 c6 18. Ba3 d5 19. cxd5 Bxa3 20. Rxa3 cxd5 21. Rd1 Qa5 22. Nxd5 Nxd5 23. Rxd5?? { (8.06 → Mate in 1) Checkmate is now unavoidable. Bxd5 was best. } (23. Bxd5 Rac8) 23... Qe1# { Black wins by checkmate. } 0-1