101
New back rank mate dropped
(lemmy.dbzer0.com)
Holy hell
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!Chess@lemmy.ml
!chessbeginners@sh.itjust.works
You can do it without all the bishops too: 6bk/7b/8/8/8/8/1B6/K7 b - - 0 1
But you still need two light squared bishops for black.
You could make it happen with a white bishop and a pawn though: 6bk/7b/8/8/8/8/1B6/K7 b - - 0 1
or white knight. In original, white had chance for mate on at least the previous 3 moves.