[fen]
6k1/pB2nbp1/1p5p/7P/4P1P1/B1P5/5K2/8 b - - 0 1
[/fen]
答案:
[pgn]
[Event "Tasc Chess Tutor"]
[Site "?"]
[Date "2015.07.22"]
[Round "?"]
[White "White"]
[Black "Black"]
[Result "*"]
[ChessCat "CHESSCAT 1.0"]
[FEN "6k1/pB2nbp1/1p5p/7P/4P1P1/B1P5/5K2/8 b - - 0 1"]
[PlyCount "2"]
[Setup "1"]

1... Kf8 *

[/pgn]