Bought a used / opened jigsaw puzzle at a thrift store. We’re like 2-5% done. I reckon there’s at least one missing piece but I’m not sure. Resolves N/A if we don’t find out in the next 2 weeks. Resolves Yes if we find out that it has at least one missing piece. No if we complete it without any missing pieces.

Update 2026-03-25 (PST) (AI summary of creator comment): The creator has confirmed that several missing pieces have already been found in the completed section. The market is expected to resolve Yes.
Update 2026-03-31 (PST) (AI summary of creator comment): The creator has clarified that the market will resolve Yes based on confirmed missing pieces, rather than N/A due to non-completion of the puzzle. Several missing pieces have been confirmed.
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@Bayesian That doesn't seem logical to me, provided you have shown numerous proof that you might be missing some piece indeed, which goes beyond finishing the puzzle.
But thank you very much for announcing this could resolve in N/A.
@Bayesian Do you think the aspect ratio of the completed puzzle is roughly square or is it more landscape?
update: on the box there are dimensions,
28.75in x 19.125in
73cm x 48.57cm
claude says this strongly indicates a 26 rows x 39 columns puzzle for 1,014 pieces.
Piece width: 28.75 / 39 = 0.7372" Piece height: 19.125 / 26 = 0.7356"
so I would therefore be short 22 pieces. it recommends that i count edge pieces, as there should be 126. i suspect there is at least one missing
@Bayesian Couldn't you probably just find the specific row x column dimensions for the puzzle online?
@Dssc no it's a canvas collection jigsaw puzzle that seems to have been made by the canadian group, based on a painting by jim hansel in 2011

@Bayesian Puzzles usually miscount the number pieces slightly to make it a proper square. The fact that that factorizes to 32 x 31 makes me feel that its more likely it isn't missing a piece
@Bayesian @AshDorsey 85 of the numbers between 900 and 1000 factorize so this is fun observation respectfully but not that relevant
@Dssc i’ll resolve early when i consider it certain that it’s missing pieces, and will reresolve in cases where that ended up being wrong