Rook and Queen Tour Puzzles: How to Visit Every Square Once
Solve rook and queen tour puzzles: step and slide moves, open and closed tours, the snake plan, forced corner lines and a worked 5 by 5 example.
Riddle10 blog
Articles about chess puzzles
Shortest Route Puzzles: How to Find the Fewest Steps by Hand
Spread outward from the start, settle the nearest place first and trace back. Worked road map, rook board example, reachability check and a practice puzzle.
How to Solve the Knight's Tour Puzzle, Step by Step
Visit every square once with a knight: the move, open and closed tours, the colour rule, a smart rule of thumb, and fully worked 5x5, 6x6 and 8x8 tours.
Chess Board Puzzles: How Many Queens Fit, With and Without Pawns
From eight queens to a quarter of the board: what peer-reviewed papers say about queens, pawns, dragon kings and the distance between squares.