lichess dev

[Event "Wilhelm Steinitz Arena"] [Site "http://chess-academy.net/OXc9fq0n"] [Date "2020.08.01"] [Round "-"] [White "DavidSah"] [Black "Tabacarum"] [Result "1-0"] [UTCDate "2020.08.01"] [UTCTime "16:46:41"] [WhiteElo "1592"] [BlackElo "1487"] [WhiteRatingDiff "+11"] [BlackRatingDiff "-10"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B02"] [Opening "Alekhine Defense: Scandinavian 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. Nc3? { (0.93 → -0.12) Mistake. Best move was e5. } (2. e5 Nd5 3. d4 d6 4. c4 Nb6 5. Nf3 dxe5 6. Nxe5 N6d7) 2... d5?! { (-0.12 → 0.63) Inaccuracy. Best move was e5. } { B02 Alekhine Defense: Scandinavian Variation } (2... e5 3. Nf3 Nc6 4. Bb5 Bb4 5. O-O O-O 6. Bxc6 dxc6 7. d3 Bg4 8. a3 Bd6 9. h3) 3. exd5?! { (0.63 → 0.11) Inaccuracy. Best move was e5. } (3. e5 Nfd7) 3... h5? { (0.11 → 1.57) Mistake. Best move was Nxd5. } (3... Nxd5 4. Bc4 Nb6 5. Bb3 Nc6 6. Nf3 Bf5 7. O-O e6 8. d4) 4. Nf3?! { (1.57 → 0.74) Inaccuracy. Best move was Bb5+. } (4. Bb5+ c6 5. dxc6 Nxc6 6. Nf3 Bf5 7. O-O e6 8. d3 Bd6 9. Re1 O-O 10. Bg5 Rb8) 4... a5? { (0.74 → 2.13) Mistake. Best move was Nxd5. } (4... Nxd5) 5. Bb5+?! { (2.13 → 1.57) Inaccuracy. Best move was Bc4. } (5. Bc4 g6) 5... c6 6. dxc6 bxc6 7. Ba4?! { (2.03 → 1.27) Inaccuracy. Best move was Bc4. } (7. Bc4 Bf5 8. O-O e6 9. d4 Nbd7 10. Bd3 Bxd3 11. Qxd3 Be7 12. Re1 O-O 13. Bg5 a4) 7... h4? { (1.27 → 2.30) Mistake. Best move was Bb7. } (7... Bb7 8. d4) 8. Qe2?! { (2.30 → 1.65) Inaccuracy. Best move was h3. } (8. h3 Bb7 9. O-O Nbd7 10. d3 e6 11. Bg5 Nb6 12. Re1 Nxa4 13. Nxa4 c5 14. Nxh4 Be7) 8... Bd7?! { (1.65 → 2.63) Inaccuracy. Best move was h3. } (8... h3 9. gxh3 Qc7 10. d4 Rxh3 11. d5 Ba6 12. Qe5 Qxe5+ 13. Nxe5 Rxc3 14. bxc3 Nxd5 15. Nxc6) 9. O-O? { (2.63 → 1.53) Mistake. Best move was Ne5. } (9. Ne5 c5) 9... Na6? { (1.53 → 4.01) Mistake. Best move was h3. } (9... h3 10. g3 Bg4 11. Qe3 Nd5 12. Qe4 Nf6 13. Qf4 e6 14. Ne4 Bxf3 15. Qxf3 Nxe4 16. Qxe4) 10. g3? { (4.01 → 1.32) Mistake. Best move was d4. } (10. d4 h3 11. gxh3 e6 12. Ne5 Bd6 13. Qf3 Bxe5 14. dxe5 Nd5 15. Ne4 f5 16. exf6 gxf6) 10... hxg3 11. fxg3 Bh3?? { (1.45 → 5.64) Blunder. Best move was Nc5. } (11... Nc5 12. Ne5 Nxa4 13. Nxa4 Bh3 14. Rf4 e6 15. b3 Bb4 16. c4 Kf8 17. d4 Bd6 18. Nc5) 12. Re1?? { (5.64 → 2.32) Blunder. Best move was Bxc6+. } (12. Bxc6+) 12... Rc8?? { (2.32 → 7.57) Blunder. Best move was Nb8. } (12... Nb8 13. d4) 13. Qxa6 Ra8? { (7.13 → 13.81) Mistake. Best move was Bd7. } (13... Bd7 14. d4 e6 15. Ne5 Bd6 16. Bg5 Qc7 17. Nxd7 Nxd7 18. Ne4 Be7 19. Bf4 Qd8 20. c3) 14. Bxc6+ Nd7 15. Bxa8 f5?! { (13.38 → Mate in 1) Checkmate is now unavoidable. Best move was Qb6+. } (15... Qb6+ 16. Qxb6 Nxb6 17. Be4 Bd7 18. Ne5 e6 19. d4 Bb4 20. a3 Bd6 21. Nxd7 Kxd7 22. b3) 16. Ng5?! { (Mate in 1 → 18.73) Lost forced checkmate sequence. Best move was Qg6#. } (16. Qg6#) 16... Bg4?! { (18.73 → Mate in 1) Checkmate is now unavoidable. Best move was Qb6+. } (16... Qb6+ 17. Qxb6) 17. h3?! { (Mate in 1 → 18.30) Lost forced checkmate sequence. Best move was Qg6#. } (17. Qg6#) 17... Bh5 18. g4 fxg4 19. hxg4 Bxg4?! { (17.98 → Mate in 1) Checkmate is now unavoidable. Best move was Rh6. } (19... Rh6 20. Re6 Bf7 21. Nxf7 Rxe6 22. Qxe6 Qb6+ 23. Qxb6 Nxb6 24. Bc6+ Kxf7 25. d3 Ke6 26. Be3) 20. Qg6# { White wins by checkmate. } 1-0