lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/E8hkhqze"] [Date "2021.01.16"] [Round "-"] [White "GrigoreG"] [Black "Player1"] [Result "0-1"] [UTCDate "2021.01.16"] [UTCTime "17:53:29"] [WhiteElo "1476"] [BlackElo "1942"] [WhiteRatingDiff "-2"] [BlackRatingDiff "+5"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C24"] [Opening "Bishop's Opening: Berlin Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Bc4 Nf6 { C24 Bishop's Opening: Berlin Defense } 3. d3?! { (0.13 → -0.40) Inaccuracy. Best move was Nc3. } (3. Nc3 Nc6 4. d3 Na5 5. Bb3 Bb4 6. Nf3 Bxc3+ 7. bxc3 d6) 3... Bd6? { (-0.40 → 0.64) Mistake. Best move was c6. } (3... c6 4. Nf3 d5 5. Bb3 a5 6. c3 Bd6 7. d4 Nxe4 8. dxe5) 4. Nf3 O-O 5. Nh4? { (0.92 → -1.61) Mistake. Best move was O-O. } (5. O-O) 5... Ne8? { (-1.61 → 0.40) Mistake. Best move was Nxe4. } (5... Nxe4 6. dxe4 Qxh4 7. Qd3 Bc5 8. Be3 Bxe3 9. Qxe3 d6 10. Nc3 Be6 11. Bxe6 fxe6 12. Rd1) 6. d4?? { (0.40 → -5.33) Blunder. Best move was Nf5. } (6. Nf5 Bc5) 6... Qxh4 7. h3? { (-4.90 → -7.41) Mistake. Best move was Nc3. } (7. Nc3 exd4) 7... exd4? { (-7.41 → -5.55) Mistake. Best move was Qxe4+. } (7... Qxe4+) 8. g4? { (-5.55 → -7.00) Mistake. Best move was O-O. } (8. O-O Nc6) 8... Qd8? { (-7.00 → -5.67) Mistake. Best move was Nf6. } (8... Nf6 9. Nd2) 9. b3? { (-5.67 → -7.19) Mistake. Best move was O-O. } (9. O-O c5) 9... Nc6?! { (-7.19 → -6.53) Inaccuracy. Best move was Nf6. } (9... Nf6) 10. Bb2? { (-6.53 → -7.81) Mistake. Best move was O-O. } (10. O-O Nf6) 10... Bb4+? { (-7.81 → -6.11) Mistake. Best move was Nf6. } (10... Nf6 11. Nd2) 11. c3 dxc3 12. Nxc3 d6?! { (-6.50 → -5.86) Inaccuracy. Best move was Qf6. } (12... Qf6 13. Rc1) 13. O-O Qf6?! { (-6.27 → -5.33) Inaccuracy. Best move was Qh4. } (13... Qh4 14. Kg2 Nf6 15. Nd5 Nxd5 16. Bxd5 Bc5 17. Bxc6 bxc6 18. Qf3 a5 19. Rac1 Re8 20. Rxc5) 14. Rb1?? { (-5.33 → -10.83) Blunder. Best move was Rc1. } (14. Rc1) 14... Bxc3 15. Qd5 Be6 16. Bd3 Bxd5 17. exd5 Nb4 18. g5 Qxg5+ 19. Kh1 Bxb2 20. f4 Qxd5+ 21. Kh2 Nxd3 22. Rbd1 Nf6 23. Rg1 Ne4 24. Rg5?! { (-38.74 → Mate in 6) Checkmate is now unavoidable. Best move was Rdf1. } (24. Rdf1 Qh5) 24... Nxg5 25. fxg5 Qe5+?! { (Mate in 4 → Mate in 5) Not the best checkmate sequence. Best move was Be5+. } (25... Be5+ 26. Kg1 Qc5+ 27. Kh1 Qf2 28. Rxd3 Qf1#) 26. Kh1 Nf2+?! { (Mate in 5 → Mate in 5) Not the best checkmate sequence. Best move was Qe3. } (26... Qe3 27. Rxd3 Qxd3 28. Kh2 Rae8 29. Kg1 Qxh3 30. Kf2 Bd4#) 27. Kg2 Nxd1 28. Kf3 Qe3+ 29. Kg2 Qf2+ 30. Kh1 Be5 31. g6 Qh2# { Black wins by checkmate. } 0-1