[Event "Rated rapid game"] [Site "https://lichess.org/eWO3akZu"] [Date "2022.05.21"] [White "cooperate"] [Black "BipolarCorner"] [Result "0-1"] [UTCDate "2022.05.21"] [UTCTime "16:28:03"] [WhiteElo "1136"] [BlackElo "1554"] [WhiteRatingDiff "-2"] [BlackRatingDiff "+5"] [Variant "Standard"] [TimeControl "900+0"] [ECO "B20"] [Opening "Sicilian Defense: Kronberger Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. e4 c5 2. Na3 { B20 Sicilian Defense: Kronberger Variation } Nc6 3. d3?! { (-0.02 → -0.60) Inaccuracy. Nf3 was best. } (3. Nf3 e6 4. Bb5 Nge7 5. d4 cxd4 6. Nxd4 a6 7. Be2 d5) 3... d6?! { (-0.60 → 0.00) Inaccuracy. d5 was best. } (3... d5 4. exd5 Qxd5 5. Nc4 e5 6. Ne3 Qd6 7. g3 Be6 8. b3) 4. Bf4?! { (0.00 → -0.79) Inaccuracy. f4 was best. } (4. f4 e5 5. Nf3 exf4 6. Bxf4 Be7 7. c3 Nf6 8. Be2 O-O) 4... Nf6 5. Qe2?! { (-0.36 → -0.95) Inaccuracy. h3 was best. } (5. h3) 5... g6 6. O-O-O? { (-0.92 → -2.13) Mistake. c3 was best. } (6. c3 Bg7 7. Nf3 O-O 8. g3 h6 9. Bg2 Rb8 10. Nc2 b5 11. O-O e5 12. Be3 a5) 6... Bg7 7. c3?! { (-2.07 → -3.32) Inaccuracy. Nf3 was best. } (7. Nf3 O-O 8. Qd2 a6 9. Bh6 b5 10. h4 e5 11. Nb1 Bxh6 12. Qxh6 Ng4 13. Qd2 h5) 7... Bd7?! { (-3.32 → -2.35) Inaccuracy. O-O was best. } (7... O-O) 8. d4? { (-2.35 → -4.02) Mistake. Nf3 was best. } (8. Nf3 O-O 9. h4 b5 10. Nxb5 Qa5 11. Na3 Rab8 12. Qc2 Ng4 13. Nd2 Rxb2 14. Kxb2 Nxf2) 8... cxd4 9. cxd4 Rc8 10. Nc4? { (-4.00 → -8.08) Mistake. Kb1 was best. } (10. Kb1 Nxe4 11. Ka1 Nf6 12. Nf3 O-O 13. Qd2 Qb6 14. h4 Qb4 15. Be2 Qxd2 16. Bxd2 h5) 10... a6? { (-8.08 → -4.01) Mistake. Na5 was best. } (10... Na5 11. Kb1 Nxc4 12. f3 O-O 13. Qf2 Be6 14. Bxc4 Bxc4 15. Qd2 Qb6 16. Ne2 Qa6 17. Nc3) 11. b3?? { (-4.01 → -9.52) Blunder. Kb1 was best. } (11. Kb1 b5 12. Ne3 Nxd4 13. Rxd4 e5 14. Bxe5 dxe5 15. Rd1 Nxe4 16. g3 O-O 17. Bh3 f5) 11... b5 12. Nb6 Qxb6 13. d5 Nd4+ 14. Kb1 Nxe2 15. Bxe2 Nxe4 16. Nh3 O-O?! { (Mate in 5 → -31.27) Lost forced checkmate sequence. Bf5 was best. } (16... Bf5 17. Bd3 Nd2+ 18. Rxd2 Qd4 19. Be5 Qxe5 20. Bxf5 Qa1#) 17. Be3?! { (-31.27 → Mate in 6) Checkmate is now unavoidable. Bh6 was best. } (17. Bh6 Nc3+ 18. Kc2 Bxh6 19. f4 Qa5 20. Bc4 Qxa2+ 21. Kxc3 bxc4 22. Rd4 Bg7 23. Rd1 cxb3+) 17... Bxh3?! { (Mate in 6 → -14.64) Lost forced checkmate sequence. Qa5 was best. } (17... Qa5 18. Bc4 Nc3+ 19. Kc1 Nxa2+ 20. Kb1 Nb4 21. Bd4 Qa2+ 22. Kc1 Qc2#) 18. Bxb6 Nc3+ 19. Kb2?! { (-13.36 → Mate in 7) Checkmate is now unavoidable. Kc2 was best. } (19. Kc2 Bxg2 20. Kd3 Bxd5 21. Ba5 Nxa2 22. Ke3 Bxh1 23. Rxh1 Nc1 24. Rxc1 Rxc1 25. Kf3 Rc5) 19... Nxd1+ 20. Kb1 Bf5+ 21. Bd3 Bxd3# { Black wins by checkmate. } 0-1