New answers tagged chess
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Retrograde Analysis Problem Inspired by Various Chess Memes
I had come up with half of Bass' solution but did miss the possibility that Black could have castled. However, I think that one does not have to prove that the previous move was b7-b5.
Indeed, if ...
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Retrograde Analysis Problem Inspired by Various Chess Memes
Looks interesting, let's see..
Since the white king is in check, the previous move can only have been "black somehow moves a pawn to b5.
There are three available starting squares for the pawn ...
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