Lichess puzzle ratings are completely puzzling. For example this

The importance of pattern recognition : r/chess

2332 rated puzzle on chess.com. 55.6% pass rate : r/chess

Mate in 2 Puzzle : r/chess

Reddit.com Chess Club - Chess Club

this looks weird, but find mate in one : r/chess

Game of the Day!, Game of the Day!, By Chess ON

Somewhat deceivingly difficult mate in 2 puzzle. White to move : r

Is it just me or do the puzzles on Chess.com not make sense a lot of the time? : r/chess

Chess: 5334 Problems, Combinations and Games: Polgár, László

We made a Chess Puzzles App. The board is simplified so that players focus on important pieces. We're trying to enable players to memorise chess patterns faster. We're not great at chess.