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
advanced
Rating 2487
advantagediscoveredAttackinterference
advanced
Rating 2489
advantageinterferencelong
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Rating 2490
crushingendgameinterference
advanced
Rating 2508
crushingdeflectiondiscoveredAttack
advanced
Rating 2512
crushingdiscoveredCheckdoubleCheck
advanced
Rating 2513
advantagediscoveredAttackdiscoveredCheck
advanced
Rating 2523
crushingendgameinterference
advanced
Rating 2527
crushinginterferencemaster
advanced
Rating 2531
crushinginterferencelong
advanced
Rating 2574
crushingendgamefork
advanced
Rating 2582
advantageattractioninterference
advanced
Rating 2598
advantageendgameinterference
advanced
Rating 2624
advantageinterferencelong
advanced
Rating 2630
advantageinterferencemiddlegame
advanced
Rating 2647
advantageclearancediscoveredAttack
advanced
Rating 2647
advantagediscoveredAttackinterference
advanced
Rating 2652
advantagedeflectioninterference
advanced
Rating 2657
crushingendgameinterference
advanced
Rating 2668
advantagedefensiveMoveinterference
advanced
Rating 2677
crushinginterferencelong
advanced
Rating 2688
capturingDefendercrushinginterference
advanced
Rating 2694
attractioncrushinginterference
advanced
Rating 2699
crushinginterferencemaster
advanced
Rating 2725
advantageinterferencemaster
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