Questions tagged [retrograde-analysis]
Retrograde analysis is a technique employed to determine which events occurred leading up to a given situation.
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Mate in 0 moves
Not exactly a traditional chess puzzle, and I won't offer much of an explanation for fear of giving away the answer.
White must mate in 0 moves, meaning they must deliver a check mate without touching ...
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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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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 ...
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Chess : The Lone King
An arbiter is trying to figure out what happened on the above adjorned game. He only knew that black made 15 moves and there can be more than one line of moves for this. Can you replay at least one ...
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Who can still castle?
Here is a new retrograde chess puzzle! This one shouldn't be all too difficult, so please feel free to have a go:
Who can still castle here?
(To be precise: Your task is, for each of the possible ...
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Unfinished Snakes and Ladders
An entry for Fortnightly Topic Challenge #40, have fun with non-Chess puzzle! ;)
Three young children: Red, Green, and Blue; were playing a classic game of Snakes and Ladders, when suddenly their mom ...
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What even is this chess position?
After my most recent retrograde chess puzzle had turned out pretty difficult, I had intended to follow up with just a little refresher - some position in which the mystery of the last move was much ...
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How did four chessmen disappear?
I was visiting two friends yesterday and found them sitting at a chess table.
After a glance at the board, I thought I had interrupted them when they were installing the starting position and I said: ...
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Can White still castle?
Here is my third retrograde puzzle—I hope you will enjoy it :) For this construction, I took some inspiration from shoopi's excellent puzzle series from a while back. It should also be a bit more ...
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The master programmer and the mystical reversal
The master programmer sat at his desk, gazing into the distance, his eyes seeing, and yet unseeing.
The lunch had been heavy.
His reverie was interrupted by the appearance of his close colleague, ...
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Musical message from a long-lost uncle
Can you help my friend figure out how the message below from her long-lost uncle indicates anything?
(I should mention here: The actual message was lost, and the text below is the best that could be ...
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How did White lose all their pieces?
Recently, I have been dabbling in composing a few retrograde chess puzzles. This one, I feel, turned out quite nice:
In the game leading to the position below, White somehow lost both their rooks and ...
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A Checkmate of Dubious Legality
Full-size image
Black has just delivered checkmate in the above position - but is the position legal?
If no, explain why.
If yes, give Black's mating move.
FEN: 3r4/2r4b/8/8/8/3Kp3/5k2/8 w - - 0 1
...
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What was the checkmating move?
Once again, here is a new retrograde chess puzzle! Recently, I have been trying to build something interesting with all 32 pieces still on the board. In this attempt at that, White somehow comes out ...
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Let's continue our Monopoly game
This is an entry into the 29th fortnightly topic challenge - Retrograde Analysis.
Two friends and I were playing a game of Monopoly when we were forced to stop. It's been a long time since we ...
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