The most difficult mate in 3 on the chess.com puzzle database : r

A difficult mate in 3 : r/chess

What is the hardest mate-in-3 puzzle? - Quora

More adventures with endgame tablebases

Mate in 3 moves puzzles 41 to 50

Difficult puzzle. White to play, mate in 2. : r/chess

What is the hardest mate-in-3 puzzle? - Quora

What is the hardest mate-in-3 puzzle? - Quora

At the highest level of chess, are there recorded games where a player makes a move and then resigns? - Quora

Chess Database and Community

The Hardest Puzzles from Hell Day 5 of 7. White to Move. Mate in 2. : r/ chess

Chess: Guildford extend their record unbeaten run in 4NCL to 66 matches, Chess

This puzzle was given to Magnus, its one of the hardest mate in two puzzles ever, its so difficult that my low depth stockfish didn't even see the first move until I

The Most Difficult Mate In One: Can You Find It?

The most difficult mate in 3 on the Lichess puzzle database : r/chess