The bishopA bishop moves diagonally and never changes square colour. That is why the two bishops complete each other.

The bishop moves diagonally — in an X —, as far as it likes, and it also jumps over nobody. It has one limitation worth remembering all game: because it only moves diagonally, it never changes the colour of the square it is on. A bishop that starts on a light square dies on a light square.

Its reach is an X. Look at the colour of the marked squares: all dark, the same as the d4 it stands on. Half the board is territory this bishop will never set foot on.

There is a black pawn on f6. Capture it with the bishop.

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