Extremely difficult mate in 1. White to move. : r/chess

Understanding soundness and motivations in chess puzzles, problems, and studies

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

5 Mate-in-1 puzzles that are not that easy : r/chess

no computers - Another Easy Mate in 1 - Puzzling Stack Exchange

The Hardest Checkmate In 1 Everyone Is Talking About

Mate in 3 - improve at tactics with these 10 chess puzzles

How to Castle in Chess: Rules & Strategies

How to Checkmate in 3 Moves in Chess: 7 Steps (with Pictures)

What is the hardest mate-in-2 puzzle? - Quora

3 Most Tricky Mate-in-1 Positions Ever - TheChessWorld

The Complete Checkmate Patterns List [with examples]

Chess: 5334 Problems, Combinations and Games: Polgár, László, Pandolfini, Bruce: 9781579125547: : Books