What is the hardest mate-in-4 puzzle? - Quora

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

What are some of the strangest chess puzzles you've ever seen? - Quora

What are the most advanced checkmate patterns? - Quora

What is the fork maneuver with bishop and knight in Chess? - Quora

How to win chess in 4 moves as white - Quora

What is a chess position that looks absolutely lost but actually isn't? - Quora

What is the definition of 'trading pieces' in chess? - Quora

What is the hardest mate-in-4 puzzle? - Quora

What is the hardest mate-in-4 puzzle? - Quora

What is the toughest puzzle book? - Quora

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

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

How many arrangements of chess pieces on a chess board are there, assuming the pieces got to their positions through legal moves? - Quora