Lichess puzzle ratings are completely puzzling. For example this

3 Brilliant & Tricky Chess Puzzles - Remote Chess Academy

Chess Puzzles from the Games of Bobby Fischer

Today's chess.com daily puzzle is actually insane, thought I'd share it here. White to move : r/chess

Endgame puzzle: Find the only move that's winning for black. : r/chess

My favorite chess puzzle. Mate in 2! : r/chess

Extremely difficult mate in 1. White to move. : r/chess

The easiest 3000 rated puzzle. - Chess Forums

WHITE TO MOVE] A difficult move to find : r/chess

Niche use for it, but I set up the chess puzzle on chess.com if it's easier for some players to study : r/BG3

This puzzle is rated 1400 on lichess. Very impressive how all those 1400s can figure out the nuances between Qxd8 and Rxg3 : r/chess