lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/hauRMvsK"] [Date "2020.12.09"] [Round "-"] [White "kidman"] [Black "Stefansah"] [Result "1-0"] [UTCDate "2020.12.09"] [UTCTime "17:34:26"] [WhiteElo "1405"] [BlackElo "1005"] [WhiteRatingDiff "+7"] [BlackRatingDiff "-4"] [Variant "Standard"] [TimeControl "420+2"] [ECO "A40"] [Opening "Queen's Pawn"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. d4 { A40 Queen's Pawn } f6? { (0.15 → 1.81) Mistake. Best move was d5. } (1... d5 2. c4 e6 3. Nf3 Nf6 4. Nc3 Bb4 5. Bg5 O-O 6. e3) 2. Nf3? { (1.81 → 0.56) Mistake. Best move was e4. } (2. e4 e6 3. Bd3 Ne7 4. Nf3 g6 5. c4 Bg7 6. Nc3 Nbc6 7. d5 Nb4 8. Bb1 Na6) 2... e5? { (0.56 → 1.68) Mistake. Best move was f5. } (2... f5 3. Nc3 Nf6 4. Bg5 d5 5. e3 e6 6. Bd3 Be7 7. Bf4 c6 8. a4 O-O 9. O-O) 3. dxe5 fxe5 4. Nxe5?! { (1.95 → 1.33) Inaccuracy. Best move was e4. } (4. e4) 4... Nc6?! { (1.33 → 2.00) Inaccuracy. Best move was Nf6. } (4... Nf6) 5. Qd5? { (2.00 → 0.91) Mistake. Best move was Nxc6. } (5. Nxc6 bxc6) 5... Nxe5? { (0.91 → 2.14) Mistake. Best move was Qe7. } (5... Qe7 6. Nxc6 dxc6 7. Qd3 Nf6 8. Nc3 Bd7 9. f3 O-O-O 10. Qe3 Qc5 11. Qxc5 Bxc5 12. e4) 6. Qxe5+ Qe7?! { (2.01 → 2.87) Inaccuracy. Best move was Ne7. } (6... Ne7 7. Nc3) 7. Qxc7 Qe3?? { (2.40 → 17.43) Blunder. Best move was d5. } (7... d5 8. Qxe7+ Nxe7 9. Nc3 Bf5 10. e4 Bxe4 11. Nxe4 dxe4 12. Be3 Nf5 13. Bb5+ Kf7 14. Bc4+) 8. fxe3 Bd6 9. Qxd6 b6 10. Qe5+ Ne7 11. Qxg7 Rg8 12. Qxg8+ Nxg8 13. Nc3 a6 14. Nd5 b5 15. Nb6 Rb8 16. Nxc8 Rxc8 17. b4 Rxc2 18. Bd2 Rc4 19. Rc1 Rxb4 20. Bxb4 a5 21. Rc8+ Kf7 22. Rf8+ Ke6 23. Bxa5 b4 24. Bxb4 d5?! { (65.94 → Mate in 8) Checkmate is now unavoidable. Best move was Ne7. } (24... Ne7 25. g3) 25. e4 dxe4 26. Rxg8 h5 27. a4?! { (Mate in 5 → Mate in 8) Not the best checkmate sequence. Best move was e3. } (27. e3 Kd5 28. Bb5 Ke6 29. O-O Kd5 30. Re8 h4 31. Rd1#) 27... e3 28. a5 Kd5 29. a6 h4 30. a7 Ke4 31. a8=Q+ Kf4 32. Qf8+?! { (Mate in 2 → Mate in 3) Not the best checkmate sequence. Best move was Qd5. } (32. Qd5 h3 33. g3#) 32... Ke4 33. Qf3+?! { (Mate in 3 → Mate in 3) Not the best checkmate sequence. Best move was Rg5. } (33. Rg5 h3 34. Qf3+ Kd4 35. Qf4#) 33... Ke5 34. Rg5+ Kd4 35. Ba3?! { (Mate in 1 → Mate in 2) Not the best checkmate sequence. Best move was Qd5#. } (35. Qd5#) 35... Kc3 36. Rc5+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Qxe3+. } (36. Qxe3+ Kc2 37. Qd3#) 36... Kd4 37. Qf4# { White wins by checkmate. } 1-0