[Event "Rated correspondence game"] [Site "https://lichess.org/CHfYXUcx"] [Date "2021.07.21"] [White "Altpatzer"] [Black "Knappe1904"] [Result "1-0"] [UTCDate "2021.07.21"] [UTCTime "11:31:54"] [WhiteElo "2217"] [BlackElo "2272"] [Variant "Standard"] [TimeControl "-"] [ECO "A48"] [Opening "London System"] [Termination "Normal"] [Annotator "lichess.org"] 1. d4 Nf6 2. Nf3 g6 3. Bf4 { A48 London System } Bg7 4. Nbd2 O-O 5. e4 d5 6. e5 Nh5 7. Be3 c5 8. c3 f6 9. exf6 Nxf6 10. h3 c4?! { (0.27 → 1.09) Inaccuracy. cxd4 was best. } (10... cxd4 11. cxd4 Qb6 12. Qb3 Qxb3 13. Nxb3 Ne4 14. Rc1 Nd6 15. Be2 Nc6 16. O-O a6 17. a4) 11. b3 Nc6? { (0.69 → 1.94) Mistake. b5 was best. } (11... b5 12. Be2 Nc6 13. O-O Bf5 14. Qc1 Rc8 15. a4 a6 16. Re1 Qc7 17. Bf1 Na5 18. axb5) 12. bxc4 Ne4? { (1.90 → 3.51) Mistake. Na5 was best. } (12... Na5 13. Rc1) 13. cxd5?? { (3.51 → 0.43) Blunder. Nxe4 was best. } (13. Nxe4) 13... Nxc3 14. Qb3 Nxd5 15. Bc4 e6 16. O-O Na5 17. Qa3 Nxc4 18. Nxc4 Qe7 19. Qxe7 Nxe7 20. Rab1 { Black resigns. } 1-0