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.
Positions from the Lichess open puzzle database (CC0). The answer key prints on the last page.
Interference — chess puzzle worksheet
Name: ______________ Date: ______________
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Answer key
- Puzzle 0mezG: b3b2 → g7g3 → d3d2 → g3g2 (the first move is the opponent’s setup move)
- Puzzle 02F4S: e2f2 → a4a3 → d3c2 → a3a2 → c2b3 → a2f2 (the first move is the opponent’s setup move)
- Puzzle 0BCpo: c6g2 → a2a1 → c1d2 → d8d7 (the first move is the opponent’s setup move)
- Puzzle 0MTrJ: c6d5 → c4b5 → e8e7 → d3d5 (the first move is the opponent’s setup move)
- Puzzle 0A5sQ: e5f4 → g5g7 → g8g7 → a1g1 → g7f7 → h4f4 (the first move is the opponent’s setup move)
- Puzzle 0UdA1: f4g5 → h3h6 → g5f5 → h6f6 → f5e4 → f6e7 (the first move is the opponent’s setup move)
- Puzzle 0P1vH: e5e3 → h1h8 → f8e7 → g6g7 → e7d6 → h8d8 → d6e5 → d8c7 (the first move is the opponent’s setup move)
- Puzzle 06fXM: e2f3 → c2d3 → f3f4 → d3d4 (the first move is the opponent’s setup move)
- Puzzle 0AFgI: h4g3 → e2g3 → d6f4 → e3f2 (the first move is the opponent’s setup move)
- Puzzle 0ef2o: g2g3 → c8c5 → d4c5 → d5c3 → b1a1 → g5e5 (the first move is the opponent’s setup move)
- Puzzle 08hpi: e8a8 → g4g5 → f6g5 → f3h5 → g6h7 → h5e8 → g5h6 → d5a8 (the first move is the opponent’s setup move)
- Puzzle 03iyb: d5e5 → a3b2 → e5f4 → b2f2 → f4g5 → f2f6 → g5h6 → f6h8 (the first move is the opponent’s setup move)
Source: Lichess open puzzle database · database.lichess.org · CC0