Puzzle theme

Interference Puzzles

400+ free interference puzzles in the library

Placing a piece on a line to disrupt enemy coordination.

Every puzzle below comes from a real game where this exact idea decided the outcome. Solve them right here in your browser — hints and full solutions included, no account needed.

Why it works

The interfering piece blocks communication between enemy pieces.

What to look for

Look for squares where a piece can block critical enemy lines.

See the pattern

Chess diagram: a white knight jumps to b5, cutting the black rook's defense of the bishop along the fifth rank
White to move. 1.Nb5! cuts the a5-rook's defence of the bishop while hitting c7 — after axb5, Black's own pawn blocks the rank and Qxe5 wins a piece.

Solve interference puzzles now

Real positions from the library, filtered to this theme. Pick a difficulty and find the best move.

Interference puzzles: frequently asked questions

What are Interference puzzles?

Placing a piece on a line to disrupt enemy coordination. Every puzzle on this page is a position from a real game where exactly this idea decides the outcome.

Why does this pattern work?

The interfering piece blocks communication between enemy pieces.

What should I look for in Interference puzzles?

Look for squares where a piece can block critical enemy lines.

Are these Interference puzzles free?

Yes — the trainer on this page pulls from 400+ interference positions in the Blunders library and is free to use in your browser, no account or download required. A free account adds progress tracking and puzzles built from your own games.

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