[Event "Casual correspondence game"] [Site "https://lichess.org/AkgcAKs8"] [Date "2024.04.15"] [White "Jack_7112"] [Black "lichess AI level 3"] [Result "0-1"] [UTCDate "2024.04.15"] [UTCTime "08:16:21"] [WhiteElo "1500"] [BlackElo "?"] [Variant "Standard"] [TimeControl "-"] [ECO "A48"] [Opening "London System"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 g6 2. Nf3 Nf6 3. Bf4 { A48 London System } d5 4. c4 dxc4 5. e3 b5 6. h3?! { (0.47 → -0.16) Inaccuracy. a4 was best. } (6. a4 c6) 6... e6 7. Na3?? { (-0.08 → -2.16) Blunder. a4 was best. } (7. a4 c6 8. Nc3 Nd5 9. axb5 cxb5 10. Nxb5 Bb4+ 11. Nc3 Nxc3 12. bxc3 Bxc3+ 13. Nd2 O-O) 7... a6 8. b3?? { (-1.71 → -4.63) Blunder. Nb1 was best. } (8. Nb1 Nd5) 8... Nd5?? { (-4.63 → -1.68) Blunder. Bxa3 was best. } (8... Bxa3 9. Bg5 Nbd7 10. bxc4 Bb4+ 11. Nd2 h6 12. Bxf6 Nxf6 13. Be2 Rb8 14. O-O O-O 15. cxb5) 9. bxc4? { (-1.68 → -3.64) Mistake. Nc2 was best. } (9. Nc2) 9... Nc3?? { (-3.64 → 1.46) Blunder. Nxf4 was best. } (9... Nxf4 10. Nc2 Nh5 11. cxb5 Bd6 12. a4 O-O 13. Be2 axb5 14. axb5 Bb7 15. O-O Nd7 16. Rxa8) 10. Qc2? { (1.46 → -0.07) Mistake. Qb3 was best. } (10. Qb3 b4 11. Nb1 Nxb1 12. Qxb1 Nc6 13. Bd3 Bb7 14. Be4 f5 15. Bc2 Bg7 16. a3 O-O) 10... Na4?? { (-0.07 → 1.69) Blunder. Bb4 was best. } (10... Bb4 11. Nd2 c5 12. Nab1 cxd4 13. a3 Ba5 14. Bd3 bxc4 15. Bxc4 Bb7 16. O-O Nd7 17. exd4) 11. Bd3?? { (1.69 → -1.33) Blunder. cxb5 was best. } (11. cxb5) 11... Qe7?? { (-1.33 → 1.83) Blunder. Bxa3 was best. } (11... Bxa3) 12. cxb5 Qb4+? { (1.44 → 3.16) Mistake. Qxa3 was best. } (12... Qxa3) 13. Nd2 Nd7 14. O-O Qxa3 15. Nc4?! { (3.73 → 2.95) Inaccuracy. Be4 was best. } (15. Be4 Nab6 16. Bxa8 Nxa8 17. Bxc7 axb5 18. Be5 Bb7 19. Bxh8 Nab6 20. Rab1 b4 21. Rfc1 f6) 15... Qb4?! { (2.95 → 3.90) Inaccuracy. Qc3 was best. } (15... Qc3 16. Qxa4 Qxd3 17. b6 Qe4 18. bxc7 Bb7 19. f3 Qc6 20. Qb3 g5 21. Bg3 a5 22. Rab1) 16. a3?! { (3.90 → 2.71) Inaccuracy. Rab1 was best. } (16. Rab1 Qc3 17. Qxa4 Qxd3 18. b6 Bg7 19. Qc6 O-O 20. Qxa8 Qxc4 21. b7 Bxb7 22. Qxb7 e5) 16... Qxb5?! { (2.71 → 3.86) Inaccuracy. Qc3 was best. } (16... Qc3 17. Qxa4 Qxd3 18. b6 Qe4 19. bxc7 Bb7 20. f3 Qc6 21. Qb3 Be7 22. Na5 Qb5 23. Qc3) 17. Rfb1 Qc6?! { (3.80 → 5.78) Inaccuracy. Bg7 was best. } (17... Bg7 18. Rxb5 axb5 19. Ne5 O-O 20. Be4 Nxe5 21. Bxe5 Ra7 22. Bxg7 Kxg7 23. Bc6 Bb7 24. Bxb5) 18. e4?? { (5.78 → -0.92) Blunder. Be4 was best. } (18. Be4 Qxe4 19. Qxe4 Bg7 20. Qxa8 O-O 21. Qc6 Nc3 22. Ne5 Nxb1 23. Rxb1 Nb6 24. Qxc7 Nd5) 18... Bg7?? { (-0.92 → 3.73) Blunder. e5 was best. } (18... e5) 19. e5?? { (3.73 → -1.51) Blunder. Nd6+ was best. } (19. Nd6+ Qxd6 20. Bxd6 cxd6 21. Qxa4 O-O 22. Qc6 Ra7 23. Qxd6 Nf6 24. Qc5 Rd7 25. Rb8 Rdd8) 19... Bb7?? { (-1.51 → 1.81) Blunder. Ndb6 was best. } (19... Ndb6 20. Nd6+ Kd7 21. Qxc6+ Kxc6 22. Be4+ Kd7 23. Rc1 cxd6 24. Bc6+ Ke7 25. exd6+ Kd8 26. Rab1) 20. Nb2?? { (1.81 → Mate in 1) Checkmate is now unavoidable. Rxb7 was best. } (20. Rxb7 Qxb7 21. Be4 Qb8 22. Qxa4 Qb5 23. Qxb5 axb5 24. Bxa8 bxc4 25. Bc6 Ke7 26. a4 f6) 20... Qxg2# { Black wins by checkmate. } 0-1