Para.docs chess room — credits and third-party licenses Artwork and music The 3D chess set, board, piece-concept icons and procedural effects were created for Para.docs. Character artwork was created or supplied for this project, including imagery made with OpenAI image generation. Room music was supplied by the creator. "Slumber on the Board" (盤上の眠り) was generated with Gemini; its source credit is /chess/music/SOURCE.txt. These credits do not grant a Creative Commons or public-domain license to the project's artwork or music. Third-party components retain the licenses below. Noto Sans JP variable — SIL OFL 1.1. Unmodified Google Fonts WOFF2 Unicode subsets, self-hosted. License: /chess/fonts/noto-sans-jp/OFL.txt Sources and checksums: /chess/fonts/noto-sans-jp/manifest.json Zen Kaku Gothic New Regular / Medium and IBM Plex Mono Regular — SIL OFL 1.1. Self-hosted WOFF2 conversions, retaining original glyphs and names. Licenses: /chess/fonts/zenkakugothicnew-OFL.txt and /chess/fonts/ibmplexmono-OFL.txt Pinned sources and rebuild notes: /chess/fonts/SOURCE.txt Three.js 0.185.1, OrbitControls, RoomEnvironment, GLTFLoader and postprocessing addons — MIT License. Copyright 2010-2026 Three.js Authors. License: /chess/three/LICENSE.txt (copied unchanged from the installed package) Upstream: https://github.com/mrdoob/three.js/tree/r185 Cburnett chess pieces — Colin M.L. Burnett, GPL-2.0-or-later. Unmodified SVG originals: /chess/pieces/{w,b}{K,Q,R,B,N,P}.svg License: /chess/pieces/LICENSE.txt Pinned upstream and attribution: /chess/pieces/SOURCE.txt Stockfish.js 18.0.0 (unmodified lite single-thread build) Copyright 2026 Chess.com, LLC and Stockfish contributors. License: GNU GPL version 3; see /chess/vendor/Stockfish-LICENSE.txt Upstream: https://github.com/nmrugg/stockfish.js/tree/v18.0.0 Corresponding source: /chess/vendor/stockfish-source-v18.0.0.tar.gz Build instructions and script: README.md and build.js inside the source archive. The engine runs as an independent server process, communicating through UCI. chess.js 1.4.0 Copyright (c) 2025, Jeff Hlywa (jhlywa@gmail.com) All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. Vercel BotID — botid 1.5.11. License stated in the distributed package README: MIT. Package: https://www.npmjs.com/package/botid/v/1.5.11 Official documentation: https://vercel.com/docs/botid/get-started The client module is included unchanged; the server uses botid/server. Upstream notice limitation: this release does not include the LICENSE file linked from its README. The original copyright and full license notice still require confirmation from the publisher; no copyright attribution is invented here.