01 / Explore
Ideas from many places.
Independent leaf sites bring their libraries together in one place to learn.
Connected libraries. Independent minds.
Make your
next move
count.
Explore a world of chess ideas. Study a position, speak your reasoning, and turn every lesson into a better understanding of the game.
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1Connected leaves
3Libraries to explore
36Published lessons
Counts reflect registered content, with each lesson counted once across versions. Totals refresh about once a minute. Library names and lesson content are visible only after sign-in.
02 / Think aloud
Show your reasoning.
Explain candidate moves and explore the board as you work through each position.
03 / Grow
Build on every attempt.
Return to your answers, review feedback and follow your own progress.