Train
Due cards first, then this week's sets: puzzles and your own positions to solve, calculation positions to write out before revealing, and endgames to play against the engine. Results feed the scheduler and next week's plan.
63 items · 63 left · 0 correct · 0 wrong · engine: loading
No write-back token (results stay in this browser)
1/63 · Rook endgame baseline · from your game
RB+5P_vs_R+5P · you are white · goal: hold the draw (engine said -0.1 at entry).
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Stockfish is GPL-3.0; the engine files served here are unmodified builds from the stockfish npm package (source: github.com/official-stockfish/Stockfish).