The edge (rook's) pawn is the exception in king and pawn against king. If the defending king reaches the corner in front of the pawn there is no win: the attacking king has nowhere to stand to push him aside - the edge of the board is in the way - and stalemate results.
Here White has the king on b6 and a pawn on a6; Black has the king on b8. Black to move, and it is a draw (per the tablebases): the black king stays by a8 and the pawn cannot be escorted home.
The lesson: a rook's pawn follows a special rule - once the defending king reaches the corner, king and a single rook's pawn cannot win. So always check endings like this for the corner stalemate.
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.
The pieces will be arranged into the chosen pattern.
It is the mating side to move. Find mate in one.
Openings, endgame positions and breakthrough studies - the set-up appears on the board.
The weaker side's king reaches the corner in front of the pawn in time. From there it cannot be dislodged, and attempts to attack lead to stalemate.
Walk the king to the pawn's queening corner as fast as possible and stay there, using the stalemate resources.
Yes: if the weaker side's king is cut off from the corner, or the stronger side has an extra piece, the position is won.
Build your own position in the board editor, read up on the rules of chess or run a tournament on your own positions in the free app.
Pairings are computed by bbpPairings, an open-source engine implementing the Dutch system by FIDE rules: score groups, floats on an odd field, colour alternation. Free to use.
proper rounds with correct pairings, not random matchups
a full circle, with the round count derived from the field
a light format with no tournament machinery
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