[Event "3rd Chess Kharagpur"] [Site "https://lichess.org/yY6JZyPd"] [Date "2020.09.11"] [White "NatRaj7"] [Black "Arkya1535"] [Result "0-1"] [UTCDate "2020.09.11"] [UTCTime "05:30:00"] [WhiteElo "1520"] [BlackElo "2277"] [WhiteRatingDiff "-1"] [BlackRatingDiff "+2"] [Variant "Standard"] [TimeControl "1800+20"] [ECO "B50"] [Opening "Sicilian Defense: Modern Variations"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Nf3 d6 { B50 Sicilian Defense: Modern Variations } 3. Bc4 Nf6 4. Nc3 e6 5. d3 a6 6. Bd2 Nc6 7. a3 b5 8. Ba2 Bb7 9. h3 Qc7 10. Be3 Be7 11. Qd2 O-O 12. O-O-O? { (-0.83 → -2.64) Mistake. O-O was best. } (12. O-O) 12... Qa5 13. Bf4 b4 14. Nb1 bxa3?! { (-2.63 → -1.66) Inaccuracy. Rfd8 was best. } (14... Rfd8 15. Bg5) 15. Nxa3 Nb4 16. Bb3 Rfc8 17. e5?! { (-1.58 → -2.61) Inaccuracy. Kb1 was best. } (17. Kb1 Qd8) 17... Nfd5?? { (-2.61 → 0.34) Blunder. c4 was best. } (17... c4 18. dxc4 Ne4 19. Qe3 d5 20. Kb1 Qc7 21. Nd4 Nc5 22. Qe2 Rab8 23. Bd2 dxc4 24. Nxc4) 18. exd6 Bf6?! { (0.23 → 0.90) Inaccuracy. Nxf4 was best. } (18... Nxf4 19. Qxf4) 19. Bxd5? { (0.90 → -0.73) Mistake. Be5 was best. } (19. Be5) 19... Bxd5 20. Kb1?? { (-0.73 → -14.30) Blunder. Be5 was best. } (20. Be5 c4 21. dxc4 Bxf3 22. Bxf6 Bxd1 23. d7 Rcb8 24. Be7 Bh5 25. d8=Q+ Rxd8 26. Qxb4 Qxb4) 20... Bxb2 21. Kxb2 Rab8 22. Ka1?! { (-13.34 → Mate in 3) Checkmate is now unavoidable. c4 was best. } (22. c4 Nxd3+ 23. Kc2 Nb4+ 24. Qxb4 Qxb4 25. Rd3 Be4 26. d7 Bxd3+ 27. Kxd3 Qxa3+ 28. Ke2 Rb2+) 22... Qxa3+ 23. Kb1 Qa2+ 24. Kc1 Qa1# { Black wins by checkmate. } 0-1