Article 6X89J A crowded little chess puzzle

A crowded little chess puzzle

by
John
from John D. Cook on (#6X89J)

crowded4.png

Here's a puzzle by Martin Garnder [1].

Can a queen, king, rook, bishop, and knight be placed on a 4^2 board so no piece attacks another?

There are two solutions, plus symmetries.

Note that in all non-attacking chess puzzles, the colors of the pieces are irrelevant. In the solutions I chose the piece colors to be the opposite of the square colors strictly for aesthetic reasons.

More chess postsMore Martin Gardner posts

[1] Martin Gardner. Some New Results on Nonattacking Chess Tasks. Math Horizons. February 2001, pp 10-12.

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