Legal
Licences and credits
Last updated: 15 November 2026
Draft: this text is awaiting legal review and may change. The Turkish version prevails.
Open-licensed images, fonts and sounds used on Omega Chess, and their licences.
Piece sets
- Classic (cburnett): Colin M.L. Burnett. Published on Wikimedia Commons under several licences; Omega Chess uses the BSD licence. Source: commons.wikimedia.org/wiki/Category:SVG_chess_pieces. The queen, king and knight shapes in the logo are adapted from these drawings.
- Spatial and Celtic: Copyright © Maurizio Monge. MIT licence (text below). Source: github.com/lichess-org/lila.
- Minimal silhouette: chess symbols from the Noto Sans Symbols 2 font, Copyright © 2022 The Noto Project Authors, SIL Open Font License 1.1 (openfontlicense.org).
Fonts
- Jost: Copyright © 2020 The Jost Project Authors, SIL Open Font License 1.1.
- Source Serif 4: Copyright © Adobe, SIL Open Font License 1.1.
- Barlow Condensed: Copyright © 2017 The Barlow Project Authors, SIL Open Font License 1.1.
Sounds
- Kenney Impact Sounds: Kenney (kenney.nl), CC0 (public domain).
MIT licence (Spatial and Celtic piece sets)
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 AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.