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Chess is a strategic game played with two players on a checkered grid. This tag is for challenges related to chess or any variation on chess.

21 votes
11 answers
4k views

Where can the knight be in N moves?

This is Hole-3 from The Autumn Tournament of APL CodeGolf. I am the original author of the problem there, and thus allowed to re-post it here. Given: a number of turns (please state if no movements …
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18 votes
9 answers
1k views

Dimensional Chess positions

Task Any one of these two: Determine if a given position (an ordered non-empty collection of integers in the range ‒8 to 8, or ‒7 to 7 if you want) is a valid Dimensional Chess position. …
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