Real positions. Quiet practice.

Printable Interference Puzzles

Search 49,500 locally indexed real-game positions, narrow them by motif, difficulty or rating, then play each stored tactical line directly on the board without an upstream connection.

Printable worksheet

12 interference puzzles, every difficulty, with answer key

Interference cuts the line between two enemy pieces that defend each other, usually by planting a piece on the intersection square. Both severed halves then hang at once.

Solve these online instead

Positions from the Lichess open puzzle database (CC0). The answer key prints on the last page.