Codex

All 38 pieces of NO KINGS, placed by how each one comes to exist: eight Families, five mirrors, nine fusions.

38 pieces promotion only fusion only void mirror

Move & capture Move only Capture only Slide any distance Rider (repeats leap)

Codex of all 38 pieces used in NO KINGS, mapped by origin. Click a piece for its record; hover it to light up its relatives.

Sourced from the Wikipedia article on fairy chess pieces and Betza's notation. Built as a single static HTML file — no servers, no frameworks.