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# Chess

Chess is no joke: it has more possible sequences of moves than the number of atoms in the observable universe, but working through chess puzzles is a great way to gain insightful strategies.

In the following position, what is the smallest number of moves White can make to force checkmate?

In the following position, what is the smallest number of moves White can make to force checkmate?

In the following position, what is the smallest number of moves White can make to force checkmate?

In the following position, what is the smallest number of moves White can make to force checkmate?

In the following position, what is White's strongest move?

Input the sum of the coordinates of the target square, where a=1, b=2, ..., h=8. For example, an answer of d5 would be encoded as 9 (d=4, and 4+5=9).

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