202 real-game puzzles in this collection
What is a interference?
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.
How to spot it
Map which enemy pieces rely on a shared rank, file or diagonal for defense. A sacrifice on the crossing point breaks the connection and wins material by force.
What this set trains
These are subtle puzzles that reward geometric thinking — seeing defensive lines as wires you can cut.
Foundation: 16Developing: 45Challenging: 53Advanced: 88
developing
Rating 1458
advancedPawncrushingdiscoveredAttack
developing
Rating 1488
crushingforkinterference
developing
Rating 1489
advantageinterferencemiddlegame
developing
Rating 1510
advantageendgameinterference
developing
Rating 1517
advantageinterferencelong
developing
Rating 1526
advantageendgameinterference
developing
Rating 1527
advantageinterferenceintermezzo
developing
Rating 1535
crushingendgameinterference
developing
Rating 1545
advantageinterferencemiddlegame
developing
Rating 1559
crushingdeflectioninterference
developing
Rating 1586
advantageinterferencemiddlegame
developing
Rating 1594
crushingendgameinterference
developing
Rating 1599
advantagedeflectioninterference
challenging
Rating 1603
crushinginterferencemiddlegame
challenging
Rating 1612
advancedPawncrushingendgame
challenging
Rating 1619
advantageinterferencemiddlegame
challenging
Rating 1623
crushinginterferencekingsideAttack
challenging
Rating 1624
crushingendgameinterference
challenging
Rating 1635
advantageinterferencemiddlegame
challenging
Rating 1636
crushingforkinterference
challenging
Rating 1651
crushingendgameinterference
challenging
Rating 1679
attractioncrushingendgame
challenging
Rating 1684
crushingendgameinterference
challenging
Rating 1685
advantageinterferencelong
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