FEN
[Event "Мат ладьёй Arena"]
[Site "https://lichess.org/gjYYsu32"]
[Date "2021.11.02"]
[Round "-"]
[White "Crazy47"]
[Black "Adrian_Sta"]
[Result "0-1"]
[GameId "gjYYsu32"]
[UTCDate "2021.11.02"]
[UTCTime "16:32:51"]
[WhiteElo "1500"]
[BlackElo "1500"]
[Variant "From Position"]
[TimeControl "180+2"]
[ECO "?"]
[Opening "?"]
[Termination "Normal"]
[FEN "8/8/r7/1k6/8/4K3/8/8 b - - 0 1"]
[SetUp "1"]
[Annotator "lichess.org"]
1... Ra4 2. Kd3 Kc5 3. Ke3 Kd5 4. Kf3 Ke5 5. Kg3 Kf5 6. Kf3 Ra3+ 7. Ke2 Ke4 8. Kf2 Rb3 9. Ke2 Rb2+ 10. Kf1 Ke3 11. Kg1 Kf3 12. Kf1 Rb1# { Black wins by checkmate. } 0-1