Mate in 4+ Chess Puzzles by Gano Technologies LLC

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

Mate in 3 Puzzle, Theme: Smothered Mate

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

500 Chess Puzzles, Mate in 2, Beginner and Intermediate Level

Mate in 3 Puzzle, Theme: Zugzwang

Mate in 3 Moves: A Collection of 500 Chess Puzzles with Solutions

Mate in Three Problem ♞ Chess Puzzles!

Mate in 3 moves puzzles 51 to 60

Chess Puzzle 847 – Palatinate

Advanced Puzzles