Annotations are generated automatically by a deterministic analysis pipeline that runs on every move.
Key Moments are identified by detecting volatile positions, critical evaluation swings, time trouble, tactical turning points, and other game-state signals.
Candidate Moves are generated by comparing what Stockfish considers best with what strong human players are likely to choose, using Maia and Stockfish together.
Positional Evaluation is computed from concrete board features, such as king safety, pawn structure, piece activity, space, hanging pieces, and defensive needs. For example, king safety looks at pawn shelter, available checks, escape squares, exposed lines, and attacking pressure.
Forcing Moves are selected by examining legal checks, captures, threats, and tactical tries, then filtering them through Stockfish to determine which ones are actually good, playable, or dangerous traps.