Rating 2099 · Expert · endgame, equality, pawn endgame, quiet move, very long, zugzwang.
White: king a7; pawns a6/b4/f2/g3/h4. Black: king c7; pawns c6/f5/f6/h5. White is ahead by 1 point of material. Black to move.
endgame, equality, pawn endgame, quiet move, very long, zugzwang. The key move is f4.
FEN: 8/K1k5/P1p2p2/5p1p/1P5P/6P1/5P2/8 w - - 0 51
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