[Event "Chess Class simul"] [Site "https://lichess.org/D5HXbEr0"] [Date "2022.04.27"] [White "NSWhitty"] [Black "abdefender"] [Result "0-1"] [UTCDate "2022.04.27"] [UTCTime "22:58:25"] [WhiteElo "1016"] [BlackElo "1891"] [Variant "Standard"] [TimeControl "600+0"] [ECO "C47"] [Opening "Four Knights Game"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nc3 e5 2. e4 Nc6 3. Nf3 Nf6 { C47 Four Knights Game } 4. d3 d6 5. d4 a6 6. b3? { (0.48 → -1.00) Mistake. Be2 was best. } (6. Be2 Be7 7. d5 Na7 8. a4 c6 9. O-O O-O 10. h3 cxd5) 6... exd4? { (-1.00 → 0.15) Mistake. d5 was best. } (6... d5 7. exd5 Bb4 8. dxc6 Bxc3+ 9. Bd2 Bxa1 10. Qxa1 exd4 11. Bb4 Nd5 12. Bc5 Ne7 13. Bc4) 7. Nxd4 Nxd4?! { (0.12 → 0.88) Inaccuracy. d5 was best. } (7... d5 8. Nxc6) 8. Qxd4 Be7 9. Nd5?? { (0.94 → -0.82) Blunder. Bb2 was best. } (9. Bb2 c5) 9... Nxd5 10. exd5 Bf6?! { (-1.49 → -0.40) Inaccuracy. O-O was best. } (10... O-O) 11. Qe3+ Qe7 12. Qxe7+?! { (-0.33 → -1.06) Inaccuracy. Rb1 was best. } (12. Rb1 Bf5 13. Bd3 Bxd3 14. cxd3 O-O-O 15. Qxe7 Bxe7 16. Bb2 Rde8 17. O-O Rhg8 18. f4 Kd7) 12... Bxe7? { (-1.06 → 0.28) Mistake. Kxe7 was best. } (12... Kxe7 13. Rb1) 13. c4?? { (0.28 → -2.41) Blunder. Bb2 was best. } (13. Bb2 Kf8 14. h4 h5 15. Bd3 Rh6 16. Bc1 Bf6 17. Bxh6 Bxa1 18. Kd2 Bd4 19. Be3 Bxe3+) 13... Bf6 14. Rb1 Bf5 15. b4?? { (-2.41 → -8.74) Blunder. Rb2 was best. } (15. Rb2) 15... Bxb1 16. b5 axb5 17. cxb5 Rxa2 18. Be3 Bc3+ 19. Kd1 Bc2+ 20. Kc1 Bb3 21. Kb1?! { (-11.16 → Mate in 1) Checkmate is now unavoidable. Bd3 was best. } (21. Bd3 Ra1+ 22. Bb1 Bxd5 23. f3 Be6 24. g4 Kd7 25. Kc2 Bf6 26. g5 Bxg5 27. Bxg5 Ra5) 21... Ra1# { Black wins by checkmate. } 0-1