[Event "9月オープン大会 Arena"] [Site "https://lichess.org/hH2Lphvs"] [Date "2021.09.25"] [White "sakuya304"] [Black "sika0"] [Result "0-1"] [UTCDate "2021.09.25"] [UTCTime "13:25:21"] [WhiteElo "2100"] [BlackElo "2001"] [Variant "Standard"] [TimeControl "600+0"] [ECO "D02"] [Opening "Queen's Pawn Game: Chigorin Variation"] [Termination "Normal"] [Annotator "lichess.org"] 1. Nf3 Nc6 2. d4 d5 { D02 Queen's Pawn Game: Chigorin Variation } 3. g3 Nf6 4. Bg2 Bf5 5. O-O e6 6. c4 dxc4 7. Qa4 Bd6 8. Ne5 Bxe5 9. dxe5 Nd5 10. Rd1 O-O 11. e4 Bxe4 12. Bxe4 Nxe5 13. Bf4 Qf6 14. Bxe5 Qxe5 15. Qxc4 Qxb2 16. Nd2 Nc3 17. Qxc7 Nxd1 18. Rxd1 Qxa2 19. Nf3 Rac8 20. Qxb7 Rb8 21. Qe7 Qa4 22. Rd7 Qxe4 23. Ng5 Rb1+ 24. Rd1 Rxd1# { Black wins by checkmate. } 0-1