Opening Trainer
Spaced repetition keeps openings in memory. View mode shows the line; Guess mode tests your next move at the board.
Trainer capabilities
Five tools for a living opening repertoire.
The trainer connects a variation tree, repetition schedule, quiet review, and memory testing so your openings keep returning to practice.
Spaced repetition
Repeat lines on a schedule: the trainer brings material back when it is most useful to refresh it.
View mode
Walk through a branch calmly, study the move order, ideas, and sidelines without time pressure.
Guess mode
Guess the next move in the position and instantly see which lines are secure and which need more work.
Repertoire tree
Build White and Black repertoires from connected variations, with key positions and branches in one structure.
Progress control
Track what is learned, what is due for review, and which opening zones need attention.