Credits

• Chess engine: Stockfish 19 (Stockfish.js 19.0.0)The Stockfish developers; WebAssembly port by Nathan RuggUnmodified. The lite single-threaded build runs in your browser and is served from this site.GNU GPL v3Source
• Opening names: chess-openingsThe Lichess contributorsRebuilt into a table keyed by position.CC0 1.0Source
• Classic pieces: Noto Sans Symbols 2Copyright 2022 The Noto Project AuthorsUnmodified. The font is served from this site.SIL Open Font License 1.1Source
• Modern pieces: KosalPhilatypeModified: recoloured by the board theme and reframed.CC BY 4.0Source
• Minimal pieces: Kiwen SuwineverRareModified: recoloured by the board theme and reframed.CC BY 4.0Source

The Tournament and Bold pieces, the board themes and the onepawn mark are original work for onepawn.