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
foundation
Rating 748
crushingendgameinterference
foundation
Rating 808
advantagedeflectionendgame
foundation
Rating 915
crushingendgameinterference
foundation
Rating 975
crushingendgameinterference
foundation
Rating 1032
hangingPieceinterferencemate
foundation
Rating 1070
advantageinterferencemiddlegame
foundation
Rating 1074
advantageinterferencelong
foundation
Rating 1074
crushingendgameinterference
foundation
Rating 1116
crushingendgameinterference
foundation
Rating 1119
interferencelongmate
foundation
Rating 1127
advantageinterferenceopening
foundation
Rating 1160
crushingdeflectioninterference
foundation
Rating 1180
crushingendgameinterference
foundation
Rating 1187
crushingendgameinterference
foundation
Rating 1192
interferencematemateIn2
foundation
Rating 1196
advantageforkinterference
developing
Rating 1214
advantageinterferencelong
developing
Rating 1236
crushingdeflectionendgame
developing
Rating 1237
crushingendgameinterference
developing
Rating 1241
advantageinterferencemiddlegame
developing
Rating 1243
advancedPawnadvantageinterference
developing
Rating 1254
advantageendgameinterference
developing
Rating 1255
crushingdeflectioninterference
developing
Rating 1255
crushingendgameinterference
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