lichess dev

[Event "sah mat Arena"] [Site "http://chess-academy.net/YG8pzteo"] [Date "2020.05.27"] [Round "-"] [White "NicolaiPislari"] [Black "StinaConstantin"] [Result "0-1"] [UTCDate "2020.05.27"] [UTCTime "14:35:43"] [WhiteElo "1339"] [BlackElo "1760"] [WhiteRatingDiff "-3"] [BlackRatingDiff "+11"] [Variant "Standard"] [TimeControl "300+0"] [ECO "B02"] [Opening "Alekhine Defense: Normal Variation"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 Nf6?! { (0.12 → 0.93) Inaccuracy. Best move was e6. } (1... e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Bd6 6. O-O) 2. e5 Nd5 { B02 Alekhine Defense: Normal Variation } 3. Bc4? { (0.97 → -0.12) Mistake. Best move was c4. } (3. c4 Nb6 4. Nf3 d6 5. exd6 exd6 6. d4 Be7 7. Be2 O-O) 3... Nb6 4. Bb3 e6? { (-0.09 → 0.99) Mistake. Best move was c5. } (4... c5 5. d3 Nc6 6. Nf3 d5 7. exd6 exd6 8. O-O Be7 9. Re1 O-O 10. c3 Bf5 11. d4) 5. Nh3? { (0.99 → -0.91) Mistake. Best move was d4. } (5. d4 d5 6. c3 c5 7. Qg4 h5 8. Qe2 Be7 9. Nf3 Nc6 10. O-O a5 11. Bc2 Bd7) 5... Nc6? { (-0.91 → 0.17) Mistake. Best move was c5. } (5... c5 6. d3 Nc6 7. Bf4 Nd5 8. Bg3 d6 9. exd6 Bxd6 10. Bxd6 Qxd6 11. O-O O-O 12. Nd2) 6. Qf3? { (0.17 → -1.80) Mistake. Best move was d4. } (6. d4 d6 7. exd6 Bxd6 8. Ng5 h6 9. Nf3 Na5 10. O-O O-O 11. Nc3 Nxb3 12. axb3 Nd5) 6... Nxe5 7. Qf4? { (-1.27 → -2.68) Mistake. Best move was Qe2. } (7. Qe2) 7... Ng6 8. Qf3?! { (-2.11 → -2.68) Inaccuracy. Best move was Qg5. } (8. Qg5 Be7 9. Qh5 d5 10. d4 c5 11. c3 O-O 12. O-O Qc7 13. Re1 Nd7 14. Qe2 Bd6) 8... Nh4 9. Qf4?? { (-2.48 → -12.68) Blunder. Best move was Qg3. } (9. Qg3 Nf5) 9... Nxg2+ 10. Kf1 Nxf4 11. Nxf4 Qf6 12. Nh5 Qf5 13. Nxg7+ Bxg7 14. Rg1 Bd4 15. Rg2 Nd5 16. Na3?! { (-18.62 → Mate in 5) Checkmate is now unavoidable. Best move was Nc3. } (16. Nc3 Nf4 17. Rg3 Qh5 18. d3 Qxh2 19. Ne4 Nh3 20. c3 f5 21. cxd4 fxe4 22. Be3 Qh1+) 16... Nf4?! { (Mate in 5 → Mate in 6) Not the best checkmate sequence. Best move was Qf3. } (16... Qf3 17. Ke1 Qxg2 18. d3 Qxf2+ 19. Kd1 Qf1+ 20. Kd2 Be3#) 17. Rg3 Nh3?! { (Mate in 4 → -19.23) Lost forced checkmate sequence. Best move was Qh5. } (17... Qh5 18. f3 Qxh2 19. Rg8+ Rxg8 20. Nc4 Qf2#) 18. d3?! { (-19.23 → Mate in 1) Checkmate is now unavoidable. Best move was f3. } (18. f3 Be5) 18... Qxf2# { Black wins by checkmate. } 0-1