About ChessPuzzle.net
ChessPuzzle.net is an ongoing research project in algorithmic discovery of chess puzzles.
Support ChessPuzzle.net and become a patron.
Contact
This website and the puzzle algorithm are created and owned by Martin Bennedik.
You can contact me to send any feedback.
Development
- Martin Bennedik
Concept
- Martin Bennedik
- Oliver Koeller
- Jens Lieberum
- Olga Dolzhykova
Design
- Logo design by Marcel Bennedik
- Artwork by Alex Bottenberg
- Concept art by Axel Bottenberg
- Puzzle Climb artwork by Hotam Jamaludin
Sound
- IonicFlow, Marco Schmoll
Blog
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
- Romanian translation by Delia Duca
- French translation by Matthieu Viers
- Indonesian translation by Heri Darmanto
- If you'd like to help with translations in more languages, you can contact me.
Testing and feedback
- Bahadır Kaplan
- Ed Chang
- Felix Kleinschmidt
- Gabriel Loy
- Jens Lieberum
- Martin Justesen
- Oliver Koeller
- Perlen vom Bodensee
- Philipp Humburg
- 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.
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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
- UltraCorr by Tim Harding
-
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.
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Images for levels 41-60 are by Lennart Ootes, except
- Adolf Anderssen, public domain image from Wikipedia
- Viktor Korchnoi, photo by Rob Bogaerts, Nationaal Archief
- Mikhail Tal, photo by E. Ekekyan
- Anatoly Karpov, photo by R.C. Croes, Nationaal Archief
- Image colorizations by DeOldify algorithm, implementation provided by MyHeritage
- Icons by Font Awesome licensed under CC BY 4.0.
- Social media background images from freepik.com created by rawpixel.com, and from Pexels.
- Confetti animation by MathuSum Mut, licensed under MIT License.
- Howler.js by James Simpson and GoldFire Studios, Inc., lincensed under MIT license
Impressum
Data protection policy