lichess dev

[Event "ANS Arena"] [Site "http://chess-academy.net/j3r93w7Y"] [Date "2020.12.07"] [Round "-"] [White "Chess1"] [Black "kidman"] [Result "1-0"] [UTCDate "2020.12.07"] [UTCTime "18:24:51"] [WhiteElo "1662"] [BlackElo "1303"] [WhiteRatingDiff "+46"] [BlackRatingDiff "-13"] [Variant "Standard"] [TimeControl "420+2"] [ECO "C41"] [Opening "Philidor Defense: Lopez Countergambit"] [Termination "Normal"] [Annotator "chess-academy.net"] 1. e4 e5 2. Nf3 d6 3. Bc4?! { (0.64 → 0.09) Inaccuracy. Best move was d4. } (3. d4 exd4 4. Nxd4 Nf6 5. Nc3 Be7 6. Bb5+ c6 7. Be2 O-O) 3... f5? { (0.09 → 2.52) Mistake. Best move was Be7. } { C41 Philidor Defense: Lopez Countergambit } (3... Be7 4. d4) 4. d3? { (2.52 → 0.98) Mistake. Best move was d4. } (4. d4 Nf6) 4... fxe4?! { (0.98 → 1.61) Inaccuracy. Best move was c6. } (4... c6) 5. dxe4 c6?! { (1.29 → 2.03) Inaccuracy. Best move was Nf6. } (5... Nf6 6. Ng5) 6. O-O?! { (2.03 → 1.05) Inaccuracy. Best move was Ng5. } (6. Ng5) 6... b5? { (1.05 → 2.50) Mistake. Best move was Nf6. } (6... Nf6 7. Be3 Ng4 8. a4 Qe7 9. Bg5 Nf6 10. Nbd2 Be6 11. a5 Nbd7 12. Bxe6 Qxe6 13. a6) 7. Bb3 Bg4? { (2.14 → 3.70) Mistake. Best move was Nf6. } (7... Nf6 8. Ng5) 8. h3? { (3.70 → 2.22) Mistake. Best move was Bf7+. } (8. Bf7+ Kxf7 9. Nxe5+ Ke8 10. Nxg4 Nd7 11. c4 b4 12. a3 a5 13. Nd2 h5 14. Ne3 Ngf6) 8... Bh5 9. Bg5? { (2.73 → 1.71) Mistake. Best move was a4. } (9. a4 b4 10. c3 Na6 11. Qe2 Nc5 12. Bxg8 Rxg8 13. cxb4 Ne6 14. Be3 g5 15. b5 c5) 9... Qa5?? { (1.71 → 8.79) Blunder. Best move was Nf6. } (9... Nf6 10. c4) 10. Nc3?? { (8.79 → 1.78) Blunder. Best move was Nxe5. } (10. Nxe5) 10... h6? { (1.78 → 3.21) Mistake. Best move was Nf6. } (10... Nf6 11. Bxf6 gxf6 12. Nd5 Qd8 13. Ne3 Qc7 14. Be6 a5 15. a3 Bg6 16. a4 b4 17. Nh4) 11. Be3? { (3.21 → 1.89) Mistake. Best move was g4. } (11. g4) 11... Na6?? { (1.89 → 4.98) Blunder. Best move was Nf6. } (11... Nf6 12. g4 Bg6 13. Nh4 Bh7 14. f4 exf4 15. Rxf4 Nbd7 16. Nf5 Bxf5 17. gxf5 Be7 18. Ne2) 12. Qd2? { (4.98 → 2.03) Mistake. Best move was a4. } (12. a4) 12... O-O-O?? { (2.03 → 6.96) Blunder. Best move was Nf6. } (12... Nf6 13. Rfd1) 13. Be6+ Kc7?? { (5.92 → 23.61) Blunder. Best move was Kb8. } (13... Kb8 14. b4) 14. a3?! { (23.61 → 9.17) Inaccuracy. Best move was Nd5+. } (14. Nd5+) 14... Nb4?! { (9.17 → 21.64) Inaccuracy. Best move was Kb8. } (14... Kb8 15. b4) 15. axb4 Qxa1 16. Rxa1 Re8?! { (18.30 → Mate in 5) Checkmate is now unavoidable. Best move was Bxf3. } (16... Bxf3 17. Nd5+) 17. Bf5?! { (Mate in 5 → 19.17) Lost forced checkmate sequence. Best move was Rxa7+. } (17. Rxa7+ Kb8 18. Nxe5 Rxe6 19. Nxc6+ Kc8 20. Nd5 Rxe4 21. Rc7#) 17... d5?! { (19.17 → Mate in 5) Checkmate is now unavoidable. Best move was Kb8. } (17... Kb8 18. Bd7) 18. exd5?! { (Mate in 5 → Mate in 7) Not the best checkmate sequence. Best move was Nxd5+. } (18. Nxd5+ Kb8 19. Ne7 Bxe7 20. Bxa7+ Ka8 21. Qd7 Bc5 22. Qxc6#) 18... Rd8 19. Nxb5+ cxb5 20. Qc3+ Kd6 21. Qc5# { White wins by checkmate. } 1-0