The Most Difficult Chess Puzzle

Just like many chess players I like to solve chess problems. I especially love problems with a limited number of pieces where it is all about chess logic. Here is one of my all-time favorites and also one of the first I ever solved: Yes, it is a very simple problem, but so incredibly cute! Having solved

Hard Chess Puzzles

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

Harvard University mathematician becomes first to solve one of the

Checkmate in Two Puzzles Test (Very Hard)

Chess Puzzles - White to move and mate in 4!! Level: Hard

Hard Chess Puzzles

A Harvard Mathematician Finally Cracked This 150-Year-Old Chess Puzzle

One of the hardest/trickiest Checkmate in 1 puzzle

Chess Puzzles - Mate in 2

The Hardests, most Difficult and Challenging Chess Puzzle Ever