The lines you intend to play — and a trainer to make them stick.
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Repertoire
Play a move on the board to add it
Opening
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Your lines
This position
Prep gaps
Training
Your move
Play the move you prepared.
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Step 1 · Watch & Memorize
Playback
Watch the line play through a few times to build a picture of the
plan, then move on when it feels familiar — there's no rush and
no scoring here.
New repertoire
Step 2 of 2
What do you want to practice?
Pick a line, then a mode. "Train" no longer jumps straight into a random due position — the queue below is always what you selected.
Line
Mode
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Opening Library
Ready-made repertoires — add one and start training immediately.