Mate with two bishops is one of the basic endings. Working on adjacent diagonals, the bishops take away squares of both colours, and their own king helps press the enemy into a corner. Unlike bishop and knight, any corner will do. White to move.
Here White has bishops on f7 and h6 and a distant king on a8 against the king on e4. The bishops build a wall on two adjacent diagonals, cutting the king off, while their own king comes up to help drive him to the edge and then into the corner.
This mate is easier than bishop and knight but still needs careful technique, so that the king does not slip out and stalemate is avoided. A good exercise in coordinating two long-range pieces.
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.
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