229

This number is a prime.

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Place the White chess pieces as follows: King on a2, Rook on c6, and Bishop on d5. Place the Black chess pieces as follows: King on a4, Knight on d3, and a pawn on e3. White to move, mate in 229. [Kadatch]

Submitted: 2017-07-16 15:40:08;   Last Modified: 2017-07-16 20:04:01.
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