This puzzle is rated 4000 on chess.com and has a 100% fail rate

4 Brass Staunton Chess Pieces Set BRIDLED Knight Gold &

the hardest chess puzzle, if you can solve, you are.genius!!!! - Chess Forums

4 Brass Staunton Chess Pieces Set BRIDLED Knight Gold & - Denmark

My puzzle rating is 2200 and I thought this puzzle was much tougher than the 1800 score Chess.com gave it. What does r/chess think? Black to move and win. : r/chess

4.1 Bud Rosewood Staunton Chess Pieces Set AMERICAN - Denmark

Chess.com puzzle rating dropped 830 points from a correctly solved puzzle : r/softwaregore

This puzzle is rated 4000 on chess.com and has a 100% fail rate. Black to play and win. Can you solve it? : r/chess

Puzzles with very low pass rates now appearing often - Chess Forums - Chess. com

June 1: Tracking Florida COVID-19 Cases, Hospitalizations, and Fatalities – Tallahassee Reports

Ok, what the heck? Puzzle ratings are out of control - Chess Forums - Chess. com

This puzzle is rated 4000 on chess.com and has a 100% fail rate. Black to play and win. Can you solve it? : r/chess

Reaching 1700 Puzzles ELO On Chess dot com

A 3000 could easily beat a 2000, but could a 4000 easily beat a 3000? - Chess Forums - Page 13