Questions tagged [unorthodox-pieces]

Questions about or involving pieces not used in orthodox chess; such as but not limited to the nightrider, archbishop, chancellor, and or amazon. Such pieces are also often referred to as "fairy pieces".

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Could two kings force checkmate against a lone king?

I was looking at minimal combinations of material needed to force checkmate (K+R, Q+B, R+N+N, etc). You end up with a sort of threshold of how much material is needed, and that sort of assigns a ...
11
votes
3answers
2k views

How to solve this puzzle of Martin Gardner?

Martin Gardner mentioned the following "chess" problem in his column, Mathematical Games, for Scientific American (he got it from Smullyan, who learned about it from a high school math ...