lichess dev

[Event "Kozlovskaya Arena"] [Site "http://chess-academy.net/jp0D6jkA"] [Date "2026.02.21"] [Round "-"] [White "Ceavdari"] [Black "Markits"] [Result "0-1"] [UTCDate "2026.02.21"] [UTCTime "17:42:17"] [WhiteElo "1298"] [BlackElo "1541"] [WhiteRatingDiff "-10"] [BlackRatingDiff "+5"] [Variant "Standard"] [TimeControl "420+0"] [ECO "B00"] [Opening "Nimzowitsch Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 Nc6?! { (0.12 → 0.72) Inaccuracy. Best move was e6. } { B00 Nimzowitsch Defense } (1... e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Bd6 6. O-O) 2. Qf3? { (0.72 → -0.97) Mistake. Best move was d4. } (2. d4 d5 3. e5 Bf5 4. Nf3 e6 5. c3 a6 6. Be3 Nge7) 2... Nd4? { (-0.97 → 0.05) Mistake. Best move was Nf6. } (2... Nf6 3. Nc3 e5 4. Bd3 Bc5 5. Nge2 O-O 6. a3 d6 7. h3) 3. Qe3?? { (0.05 → -10.19) Blunder. Best move was Qd3. } (3. Qd3 e5 4. Nf3 Nxf3+ 5. Qxf3 Nf6 6. Nc3 c6 7. Be2 d5 8. exd5 cxd5 9. O-O Be7) 3... Nxc2+ 4. Kd1 Nxe3+ 5. fxe3 e5 6. b4 c5 7. bxc5 Bxc5 8. Bb2 Nf6 9. Bxe5 Nxe4 10. d3 Nf2+ 11. Ke1 Nxh1 12. Bxg7 Rg8 13. Bf6 Bb4+ 14. Kd1 Qxf6 15. d4?! { (-36.21 → Mate in 6) Checkmate is now unavoidable. Best move was Nf3. } (15. Nf3 Qxa1) 15... Qxf1+ 16. Kc2 Rxg2+?! { (Mate in 5 → Mate in 5) Not the best checkmate sequence. Best move was Qc4+. } (16... Qc4+ 17. Kb2 Rxg2+ 18. Ne2 Rxe2+ 19. Nd2 Rxd2+ 20. Kb1 Qf1#) 17. Kb3 a5?! { (Mate in 5 → Mate in 5) Not the best checkmate sequence. Best move was Qd3+. } (17... Qd3+ 18. Kxb4 Rb2+ 19. Kc5 Rb5+ 20. Kd6 Qg6+ 21. Kc7 Qc6#) 18. Ka4 Qd3?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was b5+. } (18... b5+ 19. Kb3 Qd1#) 19. Na3 d6?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was b5+. } (19... b5+ 20. Nxb5 Qc2#) 20. Re1 Bd7+ 21. Nb5 Bxb5# { Black wins by checkmate. } 0-1