lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/AFpMmClz"] [Date "2021.02.09"] [Round "-"] [White "TibiMat"] [Black "costel2"] [Result "0-1"] [UTCDate "2021.02.09"] [UTCTime "17:30:36"] [WhiteElo "1523"] [BlackElo "1696"] [WhiteRatingDiff "-6"] [BlackRatingDiff "+56"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B20"] [Opening "Sicilian Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 c5 { B20 Sicilian Defense } 2. Qf3? { (0.53 → -1.09) Mistake. Best move was Ne2. } (2. Ne2 Nf6 3. Nbc3 d5 4. exd5 Nxd5 5. Nxd5 Qxd5 6. Nc3 Qe5+) 2... Nf6? { (-1.09 → 0.30) Mistake. Best move was Nc6. } (2... Nc6 3. c3 e6 4. Bb5 d5 5. exd5 exd5 6. Ne2 Nf6 7. d4 Be7 8. dxc5 O-O 9. b4) 3. Bc4? { (0.30 → -1.13) Mistake. Best move was e5. } (3. e5 Ng8) 3... e6?! { (-1.13 → -0.29) Inaccuracy. Best move was Nc6. } (3... Nc6 4. Ne2) 4. g4? { (-0.29 → -2.83) Mistake. Best move was e5. } (4. e5 d5) 4... d5? { (-2.83 → -1.55) Mistake. Best move was Nc6. } (4... Nc6 5. g5) 5. exd5 exd5 6. Bxd5?? { (-1.83 → -6.66) Blunder. Best move was Bb5+. } (6. Bb5+ Nc6) 6... Bxg4?? { (-6.66 → -0.87) Blunder. Best move was Nxd5. } (6... Nxd5 7. b3) 7. Qd3?? { (-0.87 → -7.67) Blunder. Best move was Qe3+. } (7. Qe3+ Kd7) 7... Qxd5?! { (-7.67 → -7.13) Inaccuracy. Best move was Nxd5. } (7... Nxd5) 8. Qxd5 Nxd5 9. f3?! { (-6.69 → -7.32) Inaccuracy. Best move was h3. } (9. h3 Bh5 10. d3 Nc6 11. Ne2 O-O-O 12. Ng3 Bg6 13. Na3 Re8+ 14. Kf1 Nd4 15. Kg2 f5) 9... Bf5 10. h4? { (-6.85 → -8.15) Mistake. Best move was d3. } (10. d3 Nc6) 10... Bd6?! { (-8.15 → -7.36) Inaccuracy. Best move was Bxc2. } (10... Bxc2 11. Ne2 Nc6 12. d4 Bd3 13. Nbc3 Ndb4 14. Kf2 Nc2 15. Nf4 Bc4 16. Rb1 N2xd4 17. Be3) 11. Ne2 O-O? { (-7.64 → -6.39) Mistake. Best move was Nc6. } (11... Nc6 12. d3) 12. d4? { (-6.39 → -8.08) Mistake. Best move was d3. } (12. d3 Nc6) 12... Re8 13. dxc5 Bxc5 14. a3? { (-7.86 → -10.10) Mistake. Best move was Kf1. } (14. Kf1 Re3) 14... Nc6 15. b4 Rad8?! { (-16.54 → -9.49) Inaccuracy. Best move was Nd4. } (15... Nd4) 16. bxc5 Nf4?? { (-9.73 → 0.24) Blunder. Best move was Nd4. } (16... Nd4 17. O-O Rxe2 18. Bd2 Rde8 19. Bc3 Nxc2 20. Ra2 Nd4 21. Bxd4 Rxa2 22. Nc3 Nxc3 23. Bxc3) 17. Nc3?? { (0.24 → -7.63) Blunder. Best move was Bxf4. } (17. Bxf4 Nd4 18. Nc3 Nxc2+ 19. Kf2 Nxa1 20. Rxa1 Rd3 21. Rd1 Rxd1 22. Nxd1 Bd7 23. Bd6 f6) 17... Nd4?? { (-7.63 → 0.37) Blunder. Best move was Nxe2. } (17... Nxe2) 18. Bxf4 Nxc2+ 19. Kf1?? { (0.25 → -4.28) Blunder. Best move was Kf2. } (19. Kf2 Nxa1) 19... Nxa1 20. Nb5?? { (-3.68 → -9.40) Blunder. Best move was Kf2. } (20. Kf2 Nb3) 20... Rd1+ 21. Kf2 Rxh1 22. Nxa7? { (-9.00 → -13.19) Mistake. Best move was Nd6. } (22. Nd6 Rxe2+) 22... Rxh4 23. Nd4 Rxf4 24. Nxf5 Rxf5 25. Nb5 Rxc5 26. Nd4?! { (-17.16 → Mate in 10) Checkmate is now unavoidable. Best move was Nd6. } (26. Nd6 Rb8) 26... Rd5 27. Ne2 Rd2 28. Ke1 Rexe2+ 29. Kf1 Rf2+?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Nc2. } (29... Nc2 30. Kg1 Rd1#) 30. Kg1 Rfe2 31. Kf1 Rf2+?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Nc2. } (31... Nc2 32. Kg1 Rd1#) 32. Kg1 Rg2+ 33. Kh1 Rge2 34. Kg1 Re1# { Black wins by checkmate. } 0-1