The article focuses on the time and expense put in to On the Computer Chess Rating Lists website Fat Fritz 2 is currently still 2 points ahead of Stockfish 13 at the top of the BLITZ list (3718 to 3716), but behind on the 40/2 and the 40/15 lists - the latter is shown above That’s unlikely to make him any new friends in the open-source community. They come bundled with”, claims Albert Silver, while making a comparisonīetween Stockfish as the “car” and his altered neural network as the “driver”
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Purchase Fat Fritz you are certainly not paying for the free Lc0 and Stockfish Say that Fat Fritz 2 has been making waves is an understatement”. That wouldn’t allow you to hype it as a new invention that everyone needs toĬhessBase have now decided to double down on the originalĬlaims in a new article that obliquely addresses the criticism, beginning, “To Might be attractive, especially to newer, less technically aware chess aficionados. One possible defence, or sales approach, for Fat Fritz 2 wouldīe to point out that the strongest current chess engine (the free Stockfish) isīundled with a database, user interface and subscription to make a package that Pretend that the product being sold is something it isn’t.
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Them, provided the terms of the Stockfish/Leela license are met. Everyone is allowed to copy Stockfish/Leela and sell Work and effort of others and claiming it as their own.Įveryone is permitted and encouraged to modify and improveĬode from Stockfish/Leela while giving credit that is the intent of It is also sad to see people appropriating the open-source None, and claims of improvement in an engine that is weaker than its It is sad to see claims of innovation where there has been The Stockfish, Leela Chess Zero and Lichess teams combinedįritz 2 is a rip off, which catalogues what they claim is a track record ofĭeceptive claims by Albert Silver. Then, as with Leela Chess Zero, Albert Silver pivoted to using the new strongestĬhess engine to “power” the latest version of Fat Fritz.Īn open letter from Stockfish, LCZero and Lichess Leela Chess Zero gave checkmate in the final game but Stockfish had won the 20th final of the TCEC with 5 games to spare Stockfish adopted that new technology to regain the lead in the computer engine Updatable Neural-Network-based evaluation functions), allowed CPUs toĬombine the speed of the traditional chess engine calculations with neural networks. Requires a high-powered graphics card, but a new development, NNUE (Efficiently The drawback of Leela Chess Zero is that to run it well Fat Fritz 1.0 was notīased on a new adaptation of AlphaZero but on taking the Leela Chess ZeroĬode and tools and training a network differently. That the same principles could work if you drew on the computing power of anĪrmy of volunteers over a much longer period of time. Power of Google to draw on, but the open-source Leela Chess Zero project showed That four hours relied on having the phenomenal computing Playing against itself to go from zero knowledge to a level superior to Stockfish. The chess world in late 2017 by showing that its reinforcement learning algorithm needed just four hours of In the last few years, but Fat Fritz certainly wasn’t the driving force behind Successor to the revolutionary Fat Fritz, which was based on the famousĪlphaZero algorithms.” There have been revolutionary changes in chess computing
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You can download the latest version 13 here.ĬhessBase announcing the new software begins, “Fat Fritz 2.0 is the Where pure Stockfish is ahead of or very close to Fat Fritz 2 in rating, depending Led to the release of Stockfish 13 ahead of schedule, restoring a situation The good news for chess fans is that that advertising trick
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Of a leap in strength of Fat Fritz 2 relied on comparing it to Stockfish 12, but most if not all of theĭifference could be explained away by the fact that Fat Fritz 2 was built fromĪ later developer version of Stockfish with a higher rating. Version of the neural network that works within the latest version of Stockfish,īut the promotional material around the release puts all the emphasis on that Albert Silver’s contribution was to train a different
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What has enraged the Stockfish developers, however, is the
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Out a violation) so is perfectly legal to sell. Includes Stockfish, now complies with the Stockfish licensing requirements How can a commercial chessĮngine compete? Well, that’s where Fat Fritz 2 comes in. Stockfish, which powers evaluations here on chess24, is theĬurrent king of the computer chess world, playing at a level that’s literally