FEN
[Event "Casual rapid game"]
[Site "https://lichess.org/hFNDNQdB"]
[Date "2020.06.21"]
[White "DearJet"]
[Black "TheCelestialCube"]
[Result "1-0"]
[UTCDate "2020.06.21"]
[UTCTime "23:10:58"]
[WhiteElo "1245"]
[BlackElo "1721"]
[Variant "From Position"]
[TimeControl "600+0"]
[ECO "?"]
[Opening "?"]
[Termination "Normal"]
[FEN "6b1/p1P2pPk/P4PpP/p5P1/6K1/8/P7/8 b - - 0 1"]
[SetUp "1"]
[Annotator "lichess.org"]
1... a4 2. c8=N a3 3. Nb6 axb6 4. a7 b5 5. a8=N b4 6. Nb6 b3 7. Nd7 b2 8. Nf8# { White wins by checkmate. } 1-0