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

What are some of the toughest chess puzzles? - Quora

The Hardest Puzzles from Hell Day 1 of 7. White to Move. Mate in 3. : r/chess

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

Outrageously Hard Chess Puzzle!, White to play and Win!

Can every 'black to move' chess puzzle be altered to an equivalent 'white to move' puzzle? If not, what are some exceptions? - Quora

What's the riskiest sacrifice you've pulled off in chess? - Quora

Can you win from any position in Chess? - Quora

Is there a chess position that looks like a draw but is actually a solved mate? - Quora

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

Is there such a thing as a difficult mate in one? - Quora

The hardest chess problem ever? Seems simple at first, but I bet no one will manage to solve it. : r/chess

What is the definition of checkmate? Can a player still win if they are trying not to be checkmated? - Quora