lichess dev

[Event "Polgar Arena"] [Site "http://chess-academy.net/9ayxuDSz"] [Date "2020.09.10"] [Round "-"] [White "stefan-vartolomei12"] [Black "conduranna"] [Result "0-1"] [UTCDate "2020.09.10"] [UTCTime "16:36:46"] [WhiteElo "1318"] [BlackElo "1330"] [WhiteRatingDiff "-17"] [BlackRatingDiff "+32"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C20"] [Opening "King's Pawn Game: Napoleon Attack"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Qf3?! { (0.30 → -0.59) Inaccuracy. Best move was Nf3. } { C20 King's Pawn Game: Napoleon Attack } (2. Nf3 Nc6 3. Bb5 a6 4. Ba4 Nf6 5. O-O Nxe4 6. Re1 Nc5) 2... Nf6 3. Bc4 Nc6?! { (-0.70 → 0.23) Inaccuracy. Best move was c6. } (3... c6 4. Nc3 d5 5. exd5 e4 6. Qe2 cxd5 7. Bxd5 Nxd5 8. Qb5+) 4. d3? { (0.23 → -1.30) Mistake. Best move was Ne2. } (4. Ne2) 4... d6? { (-1.30 → 0.00) Mistake. Best move was Nd4. } (4... Nd4 5. Qd1) 5. Bg5?! { (0.00 → -0.91) Inaccuracy. Best move was Be3. } (5. Be3 Be7 6. Qe2 Na5 7. Bb3 Nxb3 8. axb3 c6 9. Nf3 O-O 10. O-O a5 11. Nc3 b5) 5... Be7?! { (-0.91 → -0.30) Inaccuracy. Best move was Nd4. } (5... Nd4 6. Qd1 b5 7. Bb3 h6 8. Be3 Nxb3 9. axb3 Be7 10. Nf3 c5 11. Nc3 Bd7 12. O-O) 6. Nh3? { (-0.30 → -2.49) Mistake. Best move was Ne2. } (6. Ne2) 6... Bg4? { (-2.49 → -0.92) Mistake. Best move was Nd4. } (6... Nd4) 7. Qe2?? { (-0.92 → -10.38) Blunder. Best move was Qg3. } (7. Qg3) 7... Bxe2 8. Kxe2 O-O? { (-11.29 → -8.98) Mistake. Best move was Nd4+. } (8... Nd4+ 9. Kd2 Nxe4+ 10. dxe4 Bxg5+ 11. Kd1 Bh6 12. Nd2 Qh4 13. f3 Bxd2 14. Kxd2 Qh6+ 15. Kd3) 9. Na3? { (-8.98 → -10.77) Mistake. Best move was Be3. } (9. Be3 d5 10. exd5 Nxd5 11. Nd2 Na5 12. Rhc1 Nxc4 13. Nxc4 f6 14. a4 Rf7 15. f3 c6) 9... Nd4+ 10. Ke3 Ng4+ 11. Kd2 Bxg5+ 12. Nxg5 Qxg5+ 13. Kc3 Ne2+ 14. Kb4?! { (-19.07 → Mate in 6) Checkmate is now unavoidable. Best move was Kb3. } (14. Kb3 Nd4+) 14... c5+?! { (Mate in 6 → -17.93) Lost forced checkmate sequence. Best move was a5+. } (14... a5+ 15. Ka4 Qd2 16. c3 Qxb2 17. Bxf7+ Rxf7 18. Nb5 Nxc3+ 19. Nxc3 Qb4#) 15. Kb5?! { (-17.93 → Mate in 6) Checkmate is now unavoidable. Best move was Kb3. } (15. Kb3 Nxf2) 15... a6+ 16. Kb6 Qd8+ 17. Kxb7 Rb8+?! { (Mate in 2 → Mate in 2) Not the best checkmate sequence. Best move was Nd4. } (17... Nd4 18. Bxa6 Qb8#) 18. Ka7 Qb6# { Black wins by checkmate. } 0-1