Lemma
MediumChessboard puzzles
H. E. Dudeney, Amusements in Mathematics (1917) No. 346 · Puzzles · Chessboard puzzles

Setting the Board

I have a single chessboard and a single set of chessmen. In how many different ways may the men be correctly set up for the beginning of a game? I find that most people slip at a particular point in making the calculation.

~8 minWritten answer · compare with the solution

H. E. Dudeney, Amusements in Mathematics (1917) · No. 346

Stuck? A gentle nudge

No hints for this one.

Something off?
Workspace
Your working

Check your full solution

Upload photos of your handwritten work or a PDF, and Lemma will read it and tell you whether it's right — and where it first goes wrong if not.