https://puzzling.stackexchange.com/questions/135057/the-worst-possible-chess-move
Bad, even very bad chess moves are nothing out of the ordinary. Every single player will have had their fair share of stupid blunders like hanging a queen in...
puzzling stack exchangeoptimizationworstpossiblechess
https://puzzling.stackexchange.com/questions/137099/guess-the-pin-you-only-got-one-shot
Guess the correct 4-digit PIN to make them all disappear!
one shotenigmaticpuzzleguesspin
https://puzzling.meta.stackexchange.com/questions/8786/how-is-the-community-doing
Happy New Year from your moderator team! We'd like to import a tradition from RPG SE: community-check-in posts. This is an opportunity for us to see how...
meta stack exchangecommunitypuzzling
https://puzzling.stackexchange.com/questions/137104/wrap-a-leafy-plant-onto-a-dodecahedron
The following leafy plant shape: ... can be folded onto the surface of a regular dodecahedron in a way that covers the entire dodecahedron with no gaps and no...
mathematicswrapleafyplantonto