About ChessPuzzle.net
ChessPuzzle.net is an experiment in algorithmic discovery of chess puzzles.
Last update August 7th, 2020. Read the release notes.
This website and the puzzle generation are still in beta.
Thanks to all users who send me feedback.
Development
- Martin Bennedik
Concept
- Martin Bennedik
- Oliver Koeller
- Jens Lieberum
- Olga Dolzhykova
Sponsors
- Play Magnus, the Magnus Carlsen company
Design
- Logo design by Marcel Bennedik
- Artwork by Alex Bottenberg
- Concept art by Axel Bottenberg
Sound
- IonicFlow, Marco Schmoll
Translations
- Translation system provided by Austin Lockwood
- Turkish translation by Bahadır Kaplan
- Russian translation by Nikolay Poleshchuk
- Dutch translation by Wim van Vugt
- Finnish translation by Panu Laine
- Chinese translation by Jin Ni
- Hindi translation by Anil Singh
- Arabic translation by Ahmed Abo Zakaa
- Japanese translation by Atsushi Saitou
- Portuguese translation by Luís Santos
- Croatian translation by Leonardo Ljubičić
- Spanish translation by Carlos Leon Cranbourne
- If you'd like to help with translations in more languages, you can contact me.
Testing and feedback
- Ed Chang
- Felix Kleinschmidt
- Gabriel Loy
- Jens Lieberum
- Oliver Koeller
- quarterplay367
- Stefan Thede
- Wolfram Bernhardt
ChessPuzzle.net uses
- Canvas Chess by Ryan Cook
- Stockfish chess engine, licensed under GPL
- Stockfish.js 8.0 browser chess engine by Niklas Fiekas, licensed under GPL
- Syzygy table bases by Ronald de Man
- Gaviota table bases by Miguel A. Ballicora
- Absolute Zero C# bit boards and search algorithm by Zong Zheng Li, licensed under Creative Commons Attribution
- chess.js, a Javascript chess library by Jeff Hlywa
- Current games are from The Week In Chess by Mark Crowther, or provided directly by tournament organizers.
-
Historical games are from:
- The TWIC archives by Mark Crowther
- Britbase by John Saunders
- Dutchbase by the Max Euwe Centrum
- Olimpbase by Wojciech Bartelski
- PGN Mentor
- Big Database by ChessBase
-
Chess piece sets:
- CBurnett by C. Burnett for Wikipedia, licensed under CC BY_SA
- Chess7 by Style 7
- Chessnut by Alexis Luengas, licensed under Apache License 2.0
- Chicago, Iowa, and Oslo by Ben J. Friedrich's Chess Foundry Pack, licensed under CC BY-ND
- Fantasy by Maurizio Monge for Wikipedia
- Kosal by Philatype, licensed under Creative Commons Attribution 4.0 International Public License
- Leipzig, Magnetic, Maya, and Merida by Armando Hernández Marroquin
- Player text excerpts and image thumbnails are from Wikipedia, licensed under CC BY_SA.
- Icons by Font Awesome licensed under CC BY 4.0.
- Howler.js by James Simpson and GoldFire Studios, Inc., lincensed under MIT license