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King and pawn: the opposition

King and pawn against king is the foundation of every pawn ending. The outcome turns on the opposition: which king is forced to give way. Black to move here, and the position is drawn (the tablebases confirm it).

On the board White has the king on d5 and the pawn on d6 against the king on d7. White's king is beside the pawn rather than in front of it, so Black holds the draw: the king steps back to the last rank and takes the opposition, and pushing the pawn leads to stalemate.

The rule of opposition is the first thing to know in pawn endings: if the defending king gets in front of the pawn and takes the opposition, the result is usually a draw. The exceptions are rook's pawns and far-advanced passers.

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Drag a piece onto the board, or click a piece and then click the squares. The cross beside the pieces sweeps every piece of that colour off the board, and a single piece can be dragged off the edge.

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