lichess dev

[Event "Karpov Arena"] [Site "http://chess-academy.net/pzBO0pBg"] [Date "2020.07.17"] [Round "-"] [White "DavidSah"] [Black "FRoman"] [Result "1-0"] [UTCDate "2020.07.17"] [UTCTime "16:33:18"] [WhiteElo "1489"] [BlackElo "1738"] [WhiteRatingDiff "+59"] [BlackRatingDiff "-19"] [Variant "Standard"] [TimeControl "420+2"] [ECO "B01"] [Opening "Scandinavian Defense: Mieses-Kotroc Variation"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 d5?! { (0.12 → 0.81) Inaccuracy. Best move was e6. } (1... e6 2. Nf3 d5 3. exd5 exd5 4. d4 Nf6 5. Bd3 Bd6 6. O-O) 2. exd5 Qxd5 { B01 Scandinavian Defense: Mieses-Kotroc Variation } 3. c3? { (0.89 → -0.42) Mistake. Best move was Nf3. } (3. Nf3 Qd8 4. d4 Nf6 5. Bd3 e6 6. Nc3 c5 7. dxc5 Bxc5) 3... Nf6?! { (-0.42 → 0.11) Inaccuracy. Best move was e5. } (3... e5 4. d4 Nc6 5. Nf3 Be6 6. Be3 O-O-O 7. Be2 exd4 8. cxd4 Qd7 9. d5 Qxd5 10. Qxd5) 4. d3?! { (0.11 → -0.79) Inaccuracy. Best move was Nf3. } (4. Nf3 e5) 4... Bg4?! { (-0.79 → -0.03) Inaccuracy. Best move was e5. } (4... e5 5. Nf3 Nc6 6. Nbd2 Bf5 7. Nc4 Bc5 8. Be2 O-O-O 9. O-O b5 10. Ncxe5 Nxe5 11. d4) 5. f3? { (-0.03 → -1.61) Mistake. Best move was Qb3. } (5. Qb3) 5... Bh5? { (-1.61 → -0.57) Mistake. Best move was Bf5. } (5... Bf5 6. Nd2) 6. c4?! { (-0.57 → -1.37) Inaccuracy. Best move was Nh3. } (6. Nh3 e5) 6... Qd4? { (-1.37 → -0.05) Mistake. Best move was Qa5+. } (6... Qa5+ 7. Qd2 Qxd2+ 8. Bxd2 Bg6 9. Nc3 Nc6 10. O-O-O e5 11. Nh3 O-O-O 12. Nf2 Nd7 13. g4) 7. Ne2 Ne4?? { (-0.52 → 14.25) Blunder. Best move was Qd7. } (7... Qd7 8. d4 Bg6 9. Nbc3 Nc6 10. a3 O-O-O 11. d5 Ne5 12. Nf4 e6 13. Be3 exd5 14. cxd5) 8. Nxd4 Nc6 9. Nxc6 bxc6 10. dxe4 g6 11. g4 Bxg4 12. fxg4 Bg7 13. Rg1 Rd8 14. Bd3 Bd4 15. Rf1 O-O 16. a3 c5 17. Bh6 Rfe8 18. Qc2 e6 19. Qa4 Bxb2 20. Ra2 Be5 21. Qxa7 Rxd3 22. Qxc5 Bd6 23. Qa7 c6?! { (17.57 → Mate in 2) Checkmate is now unavoidable. Best move was Rb3. } (23... Rb3 24. Nd2) 24. Rb2?! { (Mate in 2 → Mate in 7) Not the best checkmate sequence. Best move was Qxf7+. } (24. Qxf7+ Kh8 25. Bg7#) 24... f6 25. Ke2?! { (Mate in 1 → Mate in 7) Not the best checkmate sequence. Best move was Qg7#. } (25. Qg7#) 25... Re7 26. Qa8+ Kf7 27. Kxd3?! { (Mate in 1 → Mate in 5) Not the best checkmate sequence. Best move was Qf8#. } (27. Qf8#) 27... Re8 28. Qxc6?! { (Mate in 4 → Mate in 7) Not the best checkmate sequence. Best move was Qa7+. } (28. Qa7+ Be7 29. Rxf6+ Kg8 30. Qxe7 Rxe7 31. Rf8#) 28... Be5 29. Rb7+ Re7 30. Rc1?! { (Mate in 4 → Mate in 36) Not the best checkmate sequence. Best move was Qc5. } (30. Qc5 Bc7 31. Rxc7 Kg8 32. Qxe7 e5 33. Qxh7#) 30... g5 31. Rxe7+ Kxe7 32. Qb7+?! { (Mate in 5 → Mate in 5) Not the best checkmate sequence. Best move was Rd1. } (32. Rd1 Bxh2 33. Qb7+ Bc7 34. Qxc7+ Ke8 35. Kc2 e5 36. Qd7#) 32... Kd6 33. c5# { White wins by checkmate. } 1-0