lichess dev

[Event "Open Arena"] [Site "http://chess-academy.net/RdXEpt68"] [Date "2020.12.13"] [Round "-"] [White "chiril"] [Black "Carol"] [Result "0-1"] [UTCDate "2020.12.13"] [UTCTime "17:11:27"] [WhiteElo "1089"] [BlackElo "1774"] [WhiteRatingDiff "-2"] [BlackRatingDiff "+4"] [Variant "Standard"] [TimeControl "420+2"] [ECO "D00"] [Opening "Queen's Pawn Game #2"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. d4 d5 2. e3?! { (0.53 → 0.02) Inaccuracy. Best move was c4. } { D00 Queen's Pawn Game #2 } (2. c4 e6 3. Nf3 Nf6 4. Nc3 Bb4 5. e3 O-O 6. Be2 Nbd7) 2... Bf5?! { (0.02 → 0.57) Inaccuracy. Best move was e6. } (2... e6 3. Nf3 c5 4. c4 Nf6 5. cxd5 exd5 6. Be2 cxd4 7. Nxd4) 3. Qf3? { (0.57 → -1.26) Mistake. Best move was Bd3. } (3. Bd3 Bxd3) 3... g6? { (-1.26 → 0.04) Mistake. Best move was Bxc2. } (3... Bxc2 4. Qe2) 4. g4?? { (0.04 → -5.82) Blunder. Best move was Nc3. } (4. Nc3) 4... Be4 5. Qg3 Bxh1 6. Bg2? { (-5.31 → -7.50) Mistake. Best move was Nc3. } (6. Nc3) 6... Bxg2 7. Qxg2 Qd6? { (-7.55 → -6.53) Mistake. Best move was e6. } (7... e6 8. Nf3 h5 9. h3 Nf6 10. Bd2 Nc6 11. Nc3 hxg4 12. hxg4 Bb4 13. Ne2 Ne4 14. O-O-O) 8. Qxd5?? { (-6.53 → -20.52) Blunder. Best move was Nc3. } (8. Nc3 e6 9. Nge2 Bg7 10. Bd2 h5 11. gxh5 Rxh5 12. Nf4 Rh6 13. O-O-O Nc6 14. Kb1 O-O-O) 8... Qxd5 9. e4 Qxe4+ 10. Kf1 e6 11. f3 Qxd4 12. Ne2 Qc4 13. b3 Qc5 14. b4 Qxb4 15. c3 Qb5 16. Na3 Bxa3 17. Rb1 Qxb1 18. c4?! { (-42.10 → Mate in 9) Checkmate is now unavoidable. Best move was f4. } (18. f4 Bxc1) 18... Bxc1 19. Nxc1 Qxc1+ 20. Kf2 Nc6 21. Ke2 Rd8 22. f4 Rd2+ 23. Kf3 Qc3+ 24. Ke4 Rd4# { Black wins by checkmate. } 0-1