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3 votes

Double chess stalemate with 60 units

My solution is 0 B K K K K R B B R K K K K K R K K K K K K K K K B B B R R R 0 0 r r r b b b k k k k k k k k k r k k k k k r b b r k k k k b 0 where upper case ...
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10 votes

Double chess stalemate with 60 units

Update: One ... more ... Not at all unique: and there are more.
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-1 votes

Double chess stalemate with 60 units

At first I didn't see a way through, and then I realized that not every piece needs to be on the front lines: While this particular arrangement is symmetrical, it admits not only its reflections and ...
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26 votes

A pentagon that can measure the first 7 integer distances

A possibly more elegant solution for 1..7 if we don't insist on a convex pentagon.
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18 votes

A pentagon that can measure the first 7 integer distances

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17 votes
Accepted

A pentagon that can measure the first 7 integer distances

The answer is This can be proven by
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4 votes

Cut a square piece of paper

"All four corners must be preserved" - I took to mean I could cut the four corners and not have them be in the original location.
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8 votes
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Cut a square piece of paper

This is probably not exactly what you intended, but here is a way to make each of the three paths AB, AC, AD any length you like. Here is a solution with fewer cuts:
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