Lemma
MediumChessboard puzzles
H. E. Dudeney, Amusements in Mathematics (1917) No. 349 · Puzzles · Chessboard puzzles

Stalemate

Some years ago the puzzle was proposed to construct an imaginary game of chess, in which White shall be stalemated in the fewest possible moves with all the thirty-two pieces on the board. Can you build up such a position in fewer than twenty moves?

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H. E. Dudeney, Amusements in Mathematics (1917) · No. 349

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