lichess dev

[Event "Berger Arena"] [Site "http://chess-academy.net/uXkLcXLH"] [Date "2021.03.02"] [Round "-"] [White "Andru_2010"] [Black "stefanos12"] [Result "0-1"] [UTCDate "2021.03.02"] [UTCTime "17:13:19"] [WhiteElo "1596"] [BlackElo "1527"] [WhiteRatingDiff "-18"] [BlackRatingDiff "+14"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C25"] [Opening "Vienna Game: Anderssen Defense"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Nc3 Bc5 { C25 Vienna Game: Anderssen Defense } 3. Nf3 Nc6?! { (-0.30 → 0.59) Inaccuracy. Best move was d6. } (3... d6) 4. d3?! { (0.59 → -0.26) Inaccuracy. Best move was Nxe5. } (4. Nxe5 Nxe5 5. d4 Bd6 6. dxe5 Bxe5 7. f4 Bxc3+ 8. bxc3 d6) 4... Nd4? { (-0.26 → 1.45) Mistake. Best move was Nf6. } (4... Nf6 5. Be2) 5. Bg5?? { (1.45 → -4.93) Blunder. Best move was Nxe5. } (5. Nxe5 Nf6 6. Be3 d6 7. Nc4 O-O 8. Na4 b5 9. Nxc5 dxc5 10. Bxd4 cxd4 11. Nd2 c5) 5... Nf6?? { (-4.93 → 1.31) Blunder. Best move was Nxf3+. } (5... Nxf3+) 6. Bxf6? { (1.31 → -0.50) Mistake. Best move was Nxe5. } (6. Nxe5) 6... Qxf6 7. Be2?! { (-0.36 → -0.95) Inaccuracy. Best move was Nd5. } (7. Nd5 Nxf3+ 8. Qxf3 Qxf3 9. gxf3 Kd8 10. Rg1 c6 11. Ne3 g6 12. O-O-O d6 13. c3 Bxe3+) 7... Nxf3+?! { (-0.95 → -0.25) Inaccuracy. Best move was c6. } (7... c6 8. Nxd4 Bxd4 9. O-O O-O 10. a4 a5 11. Bg4 Qe7 12. Rb1 Bb6 13. g3 g6 14. h4) 8. Kf1?? { (-0.25 → Mate in 3) Checkmate is now unavoidable. Best move was Bxf3. } (8. Bxf3 c6 9. O-O O-O 10. Qd2 a5 11. Nd1 d6 12. Ne3 Qg5 13. c3 Bxe3 14. Qxe3 Qxe3) 8... Nd2+ 9. Ke1 Nb1?? { (Mate in 2 → -4.24) Lost forced checkmate sequence. Best move was Qxf2+. } (9... Qxf2+ 10. Kxd2 Be3#) 10. Rxb1?? { (-4.24 → Mate in 2) Checkmate is now unavoidable. Best move was Qxb1. } (10. Qxb1) 10... Qxf2+ 11. Kd2 Be3# { Black wins by checkmate. } 0-1