appendix b · chess
Position of the day
lichess’s daily puzzle — click a piece to see its moves, click a destination to play. a new position every day.
setting up the position…
how to play
- —click a piece to select it
- —dots mark the legal moves
- —a correct move plays out the reply
- —a wrong move flashes red — the board resets
on the rating
Puzzle ratings use the same Glicko-2 system as over-the-board ratings — ~1500 is intermediate, ~2000 advanced. The daily puzzle skews harder.
why chess
Chess has been a constant for me — the same pattern recognition and decision-making under uncertainty that shows up everywhere else I work.