Record-breaking Chess Puzzles

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

For Beginners: Mate in Three Chess Puzzle - SparkChess

500 Chess Puzzles, Mate in 5, Advanced & Expert Level: Solve chess problems and improve your tactical chess skills (I'm progressing in Chess)

Betcha Can't Solve This #Chess Puzzle! 45 – Daily Chess Musings

Mate in 3 Chess Puzzle 1 - Brain Easer

The Chess Files: Mate in 2, 3 or 4? – The U.S. Chess Trust

3 Hardest Mate-in-3 Ever: Part 4 - TheChessWorld

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

Mate in Three Moves - Chess exercise book for chess players - 500

Mate in 3-4 (Chess Puzzles) 2.4.2 Free Download