Long Diagonal Mate Chess Puzzles

Free long diagonal mate chess puzzles. Spot and execute checkmates along the longest diagonals using bishops and queens. Free to practise, graded easy to hard, no login required.

About long diagonal mate puzzles

Long diagonal mates use a bishop or queen operating along the a1–h8 or a8–h1 diagonal to deliver checkmate, usually against a king that has castled and then weakened the g-file pawn. The pattern is worth studying because the long diagonal is the most under-watched line on the board for beginners: pieces on it can be a full seven squares from their target and still be decisive. These puzzles train peripheral board vision — noticing the bishop that has been sitting quietly on b2 for twenty moves and is suddenly the winning piece.

How to train long diagonal mate

A long diagonal mate is a shape, not a sequence. Once you can spot the shape you will find the move in seconds instead of calculating from scratch, so train for recognition speed: glance, name the pattern, then verify.

Questions

How many long diagonal mate puzzles are there?

Enough that you will not repeat them — this set is drawn from a library of over 1,000,000 puzzles taken from real games, graded from easy to hard.

What level is this suitable for?

Children from about age 5 upward, once they know how the pieces move, through to rated tournament players. Start on the easy set and move up when you are solving most of them at a glance.