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Retrograde analysis is a technique employed to determine which events occurred leading up to a given situation.

16 votes
3 answers
2k views

Can White Castle? #3

Since it seems at least some people are enjoying these I'm continuing the series. This one is not quite as elegant, but still interesting. Can White Castle?
shoopi's user avatar
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18 votes
4 answers
2k views

White's last move?

You guys have proven to be quite capable chess detectives. So here is one more mystery for you to solve: What was White's last move?
shoopi's user avatar
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18 votes
2 answers
823 views

Can White Castle? #2

Following on my previous puzzle that was well received (here).Note that this one is a lot shorter / easier, so feel free to participate! Can White Castle?
shoopi's user avatar
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94 votes
3 answers
10k views

Can White Castle?

This is the first chess puzzle I composed in the retrograde genre. I originally posted this in a chess dedicated forum. Hope you like it! In the following position, is it possible that White could st …
shoopi's user avatar
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108 votes
4 answers
8k views

Checkmate in 1 on a Tangled Board

Lots of pieces are tangled here. Can you find mate in one? Small hint to guide you in the right way:
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