Penrose Institute puzzle #1 - White to draw : r/chess

9 delightfully nerdy chess terms you need to know

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

This is a 1830 rated puzzle on lichess : r/chess

An intermediate level puzzle featured in the netflix anime

White to play and mate in 2 : r/chess

Puzzle with Multiple Solutions : r/chess

Mate in 2. White to move. A tricky puzzle composition! : r/chess

Chess: 5334 Problems, Combinations and Games: Polgár, László, Pandolfini, Bruce: 9781579125547: : Books

Puzzle from Al-Adli's „Book of Chess“ (842 AD) - white to mate in 3 : r/ chess

Lichess puzzle ratings are completely puzzling. For example this is rated 1813. I would expect a complete novice to solve this. Whereas I've seen mate in 6 with brilliant moves being rated