lichess dev

[Event "Karpov Arena"] [Site "http://chess-academy.net/72WKwKDf"] [Date "2020.07.17"] [Round "-"] [White "Kristian"] [Black "Tabacarum"] [Result "1-0"] [UTCDate "2020.07.17"] [UTCTime "16:35:56"] [WhiteElo "1762"] [BlackElo "1435"] [WhiteRatingDiff "+4"] [BlackRatingDiff "-3"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B01"] [Opening "Scandinavian Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 d5?! { (0.12 → 0.81) Inaccuracy. Best move was e6. } { B01 Scandinavian Defense } (1... e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Bd6 6. O-O) 2. exd5 h5?! { (0.86 → 1.76) Inaccuracy. Best move was c6. } (2... c6 3. dxc6 Nxc6 4. Nf3 e5 5. Nc3 Nf6 6. Bc4 Bc5 7. O-O) 3. Nc3?! { (1.76 → 0.79) Inaccuracy. Best move was d4. } (3. d4 Qxd5 4. Nf3 Bf5 5. Be2 e6 6. c4 Qd8 7. O-O Nf6 8. Qb3 b6 9. Nc3 Be7) 3... Bg4? { (0.79 → 1.87) Mistake. Best move was Nf6. } (3... Nf6 4. Nf3 Nxd5 5. d4 Bg4 6. Be2 Nc6 7. Nxd5 Qxd5 8. O-O e6 9. c4 Qd6 10. d5) 4. f3?! { (1.87 → 1.07) Inaccuracy. Best move was Nf3. } (4. Nf3 Nf6 5. h3 Bf5 6. Nd4 Bd7 7. Bc4 c6 8. O-O cxd5 9. Nxd5 Nxd5 10. Bxd5 Bc6) 4... Bc8?! { (1.07 → 1.65) Inaccuracy. Best move was Bf5. } (4... Bf5 5. d4) 5. Nh3? { (1.65 → 0.05) Mistake. Best move was d4. } (5. d4 Nf6 6. Bc4 Nbd7 7. Bg5 Nb6 8. Bb5+ Bd7 9. Bd3 g6 10. Nge2 Bg7 11. O-O Nfxd5) 5... e5? { (0.05 → 1.63) Mistake. Best move was Bxh3. } (5... Bxh3) 6. dxe6 Bxe6 7. Qe2? { (1.75 → 0.71) Mistake. Best move was Nf4. } (7. Nf4) 7... Be7? { (0.71 → 1.74) Mistake. Best move was Nc6. } (7... Nc6 8. Nf4 Rh6 9. Ne4 Nd4 10. Qd3 f5 11. Ng5 Bd6 12. Qxd4 Qxg5 13. d3 Qe7 14. Ne2) 8. b3?! { (1.74 → 1.05) Inaccuracy. Best move was Nf4. } (8. Nf4 Bf5 9. Qb5+ Bd7 10. Qxb7 Nc6 11. Nfd5 Bd6 12. Ne4 Kf8 13. Qa6 Nge7 14. Ne3 f5) 8... Bh4+? { (1.05 → 2.87) Mistake. Best move was Bxh3. } (8... Bxh3 9. gxh3) 9. g3 Bf6 10. Nf4 Nh6? { (2.27 → 4.17) Mistake. Best move was Qe7. } (10... Qe7) 11. Nxe6 fxe6 12. Qxe6+ Be7? { (4.04 → 6.16) Mistake. Best move was Qe7. } (12... Qe7 13. Qxe7+) 13. Nd5? { (6.16 → 5.01) Mistake. Best move was Bb2. } (13. Bb2 Nc6) 13... Nc6? { (5.01 → 6.20) Mistake. Best move was Qd7. } (13... Qd7 14. Qxd7+) 14. Bb5? { (6.20 → 3.75) Mistake. Best move was Bb2. } (14. Bb2 Qd6) 14... g5?? { (3.75 → 10.04) Blunder. Best move was Qd6. } (14... Qd6) 15. Bxc6+? { (10.04 → 7.70) Mistake. Best move was Ba3. } (15. Ba3 Ng8 16. Bxc6+ bxc6 17. Qxc6+ Kf7 18. Bxe7 Rh6 19. Qxh6 Nxh6 20. Bxd8 Rxd8 21. Ne3 Ke8) 15... bxc6 16. Nxe7?? { (7.53 → 2.90) Blunder. Best move was Nf6+. } (16. Nf6+) 16... a5?? { (2.90 → Mate in 2) Checkmate is now unavoidable. Best move was Qxe7. } (16... Qxe7) 17. Nxc6+?! { (Mate in 2 → 31.38) Lost forced checkmate sequence. Best move was Ng6+. } (17. Ng6+ Qe7 18. Qxe7#) 17... Kf8 18. Nxd8 Rxd8 19. Qf6+ Kg8?! { (24.61 → Mate in 10) Checkmate is now unavoidable. Best move was Nf7. } (19... Nf7 20. Ba3+) 20. Qxd8+ Kh7 21. Qxc7+ Kg6 22. O-O Rf8 23. Re1 Rxf3 24. Qc6+ Kf5 25. Qxf3+?! { (Mate in 1 → Mate in 4) Not the best checkmate sequence. Best move was Qe6#. } (25. Qe6#) 25... Kg6 26. Re6+ Kg7 27. Qb7+?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Bb2+. } (27. Bb2+ Kh7 28. Qb7+ Kg8 29. Re8#) 27... Kh8 28. Rxh6+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Re8+. } (28. Re8+ Ng8 29. Bb2#) 28... Kg8 29. Re6?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Ra6. } (29. Ra6 Kf8 30. Ra8#) 29... Kf8 30. Rc6 Ke8 31. Rc8# { White wins by checkmate. } 1-0