Logic Masters Deutschland e.V.

Write digits from 1 to 8 in each row, column and box.

The last black movement Qxb3 is shown by the arrow. Draw an arrow showing the white movement for the checkmate in one move. The first cell of an arrow (the circle) equal to the sum of the other cells of the arrow. The knight move two cells in one direction and then one cell perpendicularly.

Within each color set separately, digits are increasing according to their values as Pawn < Knight < Bishop < Rook < Queen < King. The two knights, two bishops or two rooks within the same color set may be different or the same values.

Small arrows outside the grid indicate that the sum of the digits in the indicated direction sums to 45.

Solve online (SudokuPad)

Puzzle: