A Fairy Chess Problem With Countless Bishops

July 14, 2022 NHaselton Chess Lectures

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Fairy chess is the area of chess composition in which there are some changes to the rules of chess. The term was introduced by Henry Tate in 1914.
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The puzzle in Forsyth-Edwards Notation (FEN):
KB1B1Bk1/B1B1B1B1/1B1B1B1B/B1B1B1B1/1B1B1B1B/B1B1B1B1/1B1B1B1B/B1B1B1R1/ w – – 0 1
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