Lisensi dan penghargaan

Sudoku, 2048, Solitaire Klondike, Minesweeper, dan antarmuka Catur dibuat untuk situs ini, termasuk kartu, buah catur, simbol, dan logo.

2048. Konsep asli Gabriele Cirulli dari 2014 dirilis dengan lisensi MIT. CalmPlay merupakan implementasi mandiri yang tidak menggunakan kode aslinya.

MIT License — Copyright (c) 2014 Gabriele Cirulli

Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the “Software”), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED “AS IS”, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

Stockfish (GPL-3.0)

Kami mendistribusikan build WebAssembly “lite” single-thread tanpa modifikasi dari paket stockfish@18.0.8:

• stockfish-18-lite-single.js — SHA-256 5243fd9b276cab7dfe3ad1d43ab9ead73568fac76468c614242977a210c4a391
• stockfish-18-lite-single.wasm (7.295.411 byte) — SHA-256 a8fbc05ec6920b56d7485826dcb02c5ffd2826bcbf751cf973046f237a9096f1

Teks GPL-3.0 lengkap: COPYING.txt. Kode sumber yang tepat untuk build ini tersedia secara permanen di:

https://github.com/nmrugg/stockfish.js/archive/93c994592dcf3b4b21052ab925e9b534df9c0918.tar.gz

Commit tersebut memuat kode C++ lengkap dan skrip build. Mesin berjalan dalam Web Worker terpisah dan berkomunikasi hanya melalui protokol teks UCI.

chess.js (BSD-2-Clause)

Langkah catur divalidasi oleh 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.

Judul menggunakan Fraunces 1.000 yang dihosting sendiri, © 2018 The Fraunces Project Authors, berdasarkan OFL 1.1. Situs dibangun dengan Astro (lisensi MIT, © Astro contributors). Tidak ada analitik atau skrip eksternal. Pertanyaan lisensi: hello@calmplay.app.

Noto Serif untuk bahasa Bulgaria

Judul berbahasa Bulgaria memakai Noto Serif 2.015 © 2022 The Noto Project Authors berdasarkan SIL Open Font License 1.1. Fonta dihosting sendiri dan hanya dimuat pada halaman Bulgaria.