lichess dev

[Event "Yearly Classical Inc Arena"] [Site "http://chess-academy.net/vtTN0Xac"] [Date "2024.11.15"] [Round "-"] [White "Okorokov-Kirill600"] [Black "A8888888888888888888"] [Result "0-1"] [UTCDate "2024.11.15"] [UTCTime "18:05:56"] [WhiteElo "1332"] [BlackElo "943"] [WhiteRatingDiff "-29"] [BlackRatingDiff "+125"] [Variant "Standard"] [TimeControl "1200+10"] [ECO "B50"] [Opening "Sicilian Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 c5 2. Nf3 d6 { B50 Sicilian Defense } 3. Bc4?! { (0.35 → -0.33) Inaccuracy. Best move was Nc3. } (3. Nc3 Nc6 4. Be2 Nf6 5. O-O e5 6. Bc4 Be7 7. d3 O-O) 3... Nc6?! { (-0.33 → 0.59) Inaccuracy. Best move was Nf6. } (3... Nf6 4. Nc3 e6 5. d4 cxd4 6. Nxd4 Be7 7. O-O O-O 8. a4 d5 9. exd5 exd5 10. Bb3) 4. Nc3 Nf6 5. O-O?! { (0.50 → -0.19) Inaccuracy. Best move was d4. } (5. d4 cxd4 6. Nxd4 e6 7. O-O Be7 8. Be3 O-O 9. h3 Qc7 10. Qe2 Bd7 11. Bd3 a6) 5... e6?! { (-0.19 → 0.66) Inaccuracy. Best move was Bg4. } (5... Bg4 6. h3 Bh5 7. Bb5 e6 8. b3 Be7 9. e5 dxe5 10. g4 Bg6 11. Nxe5 Qc7 12. Qf3) 6. b3? { (0.66 → -0.46) Mistake. Best move was d4. } (6. d4) 6... Be7 7. d4 cxd4?! { (-0.37 → 0.22) Inaccuracy. Best move was d5. } (7... d5 8. exd5) 8. Nxd4 Bd7 9. Bb2 O-O 10. Nde2?! { (0.23 → -0.76) Inaccuracy. Best move was Nxc6. } (10. Nxc6) 10... a6 11. Bd3 b5?! { (-0.86 → -0.02) Inaccuracy. Best move was Rc8. } (11... Rc8 12. h3 Ne5 13. Ng3 Qa5 14. Nce2 Nxd3 15. Qxd3 h5 16. Rfd1 Rfd8 17. Nf1 b5 18. Nd2) 12. a4?! { (-0.02 → -0.60) Inaccuracy. Best move was Qd2. } (12. Qd2) 12... b4 13. Nb1 a5?! { (-0.69 → 0.10) Inaccuracy. Best move was Bc8. } (13... Bc8) 14. c3?! { (0.10 → -0.60) Inaccuracy. Best move was Nd2. } (14. Nd2 Qc7) 14... bxc3?! { (-0.60 → 0.00) Inaccuracy. Best move was Ne5. } (14... Ne5 15. Bc2 Bc8 16. Nd4 Ba6 17. Nb5 Rc8 18. cxb4 axb4 19. Nd2 Qb6 20. Bxe5 dxe5 21. Nc4) 15. Bxc3? { (0.00 → -1.21) Mistake. Best move was Nbxc3. } (15. Nbxc3 Qb6 16. Bb5 Rfc8 17. Ng3 Nb4 18. Qf3 Nc6) 15... Rb8? { (-1.21 → -0.17) Mistake. Best move was Qb8. } (15... Qb8) 16. Nd2 Nb4 17. Bxb4?! { (-0.39 → -1.28) Inaccuracy. Best move was Qb1. } (17. Qb1 Qc7) 17... Rxb4 18. f4? { (-0.72 → -1.96) Mistake. Best move was Rc1. } (18. Rc1) 18... Ng4 19. Nc4? { (-2.00 → -3.58) Mistake. Best move was Qe1. } (19. Qe1 f5 20. h3 fxe4 21. Bxe4 d5 22. hxg4 dxe4 23. Nc4 e5 24. Rd1 Bc5+ 25. Kh1 exf4) 19... d5 20. exd5?? { (-3.34 → -6.42) Blunder. Best move was Ne5. } (20. Ne5) 20... Bc5+ 21. Kh1 Nxh2 22. Kxh2?? { (-5.40 → Mate in 1) Checkmate is now unavoidable. Best move was Ng1. } (22. Ng1) 22... Qh4# { Black wins by checkmate. } 0-1