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6 votes
Accepted

Can White still castle? #2

After a careful analysis, it becomes obvious that castling is now The main obstacle is the promoted bishop at h7. It can only have entered its square before the g7 pawn moved to g6, so at that point, ...
Bass's user avatar
  • 77.8k
4 votes
Accepted

Playing with their food

Wow what an awesome puzzle. You had me puzzling for 2 hours straight, drawing chess boards over and over. Some curses may have escaped my mouth >:) Kudos and thanks for making it.
kscherrer's user avatar
  • 2,426
1 vote
Accepted

King and Pawn Endgame

Summary The arrival of the pawns (that moved) to their final squares, from most recent to furthest in the past, are I believe the minimum number of rook moves is Proof game My proof game is off by 1 ...
Benjamin Wang's user avatar
6 votes
Accepted

Can you find the last 20 Moves?

Solution The last 20 moves are: You can see the proof game on Lichess here, or paste the position N7/Ppp5/rpp5/k7/B7/KPP2p2/pPP3P1/N7 and the solution into ...
Benjamin Wang's user avatar
5 votes
Accepted

The last five Moves #2

Here is a proof game Here is the analysis this is in more or less the order any proof game needs to follow: I noticed initially that two white pawns are missing however, only the black knight is ...
PDT's user avatar
  • 15.9k
1 vote

Can White still castle?

I'm new to these and I may be wrong, but I'm gonna say: Thinking about further, This was a fantastic puzzle!
stumpgrump's user avatar
1 vote

What were the last five moves?

Since I messed the puzzle up the first time around and there already is an excellent answer to the previous version, I'm going to share my thoughts on the new version and the previously intended ...
Tim Seifert's user avatar
  • 2,105
3 votes
Accepted

Is there a retrograde analysis puzzle like "Point on the incorrectly drawn chess piece"?

Raymond Smullyan, Chess Mysteries of the Arabian Knights, #3 [fen "qn2b1Qk/pPpNpP1p/p1P3P1/rp1R3P/P1N1P1B1/8/8/8 w - - 1 1"] One chessman is the WK in ...
ralphmerridew's user avatar
4 votes
Accepted

What were the last five moves?

One complete solution Copy paste into https://lichess.org/paste to see it ...
Benjamin Wang's user avatar

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