20:57London System Every Single Line Explained [Opening Crash Course]
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'Every Single Line' sounds like hours of memorising, which is exactly what club players dread about openings. The thumbnail answers that straight away, a red cross on MEMORIZE and a green tick on UNDERSTAND. You get the complete opening without the homework.
'London System' names an opening solution-aware club players already know or play, and '[Opening Crash Course]' promises one sitting rather than a long series.
Pairing the red and green with a cross and a tick keeps wrong and right clear for colourblind viewers, and the orange squares pick out the London's key pieces.
When your title promises something complete that sounds like hard work, use the thumbnail to kill that fear. Put the dreaded method with a cross beside your approach with a tick, and pair each colour with a shape.
Let the thumbnail cancel the effort the title implies.
Apply this pattern to your next video.
Bring the reference into a packaging brief, then decide what your title and thumbnail should each communicate.