![]() ![]() ![]() During the last five years, Stockfish has thus gained about 80 Elo per year. Besides that, the article provides the new games played with a reasonable time control for SF as well as opening books. Stockfish 14 is now at least 400 Elo ahead of Stockfish 7, a top engine in 2016. Improvements to the engine have made it possible for Stockfish to end up victorious in tournaments at all sorts of. In our testing, Stockfish 15 is ahead of Stockfish 14 by 36 Elo points and wins nine times more game pairs than it loses. UPDATE: in the recent article "AlphaZero: Shedding new light on the grand games of chess, shogi and Go" the rating for Stockfish was drawn as a line at 3500. Stockfish 15 continues to push the boundaries of chess, providing unrivalled analysis and playing strength. Nonetheless, winning over Stockfish is quite an achievement, no matter how handicapped it was and how much was the difference in hardware cost. There are more, but these are main points.Īnswering your question, there's no way to measure how much rating Stockfish had in a very handicapped conditions it had to run.The hardware was quite different - an average $1k PC (Stockfish) against a bunch of specialized hardware that might cost millions and is not accessible to anyone.Stockfish had threads=64 set, but the actual hardware had only 8 CPU cores, that effectively slowed things down quite a lot.Time control was 1 minute/move, which throws out of the window various optimizations re: using more time thinking about difficult moves.The Stockfish version that played agaist AlphaZero was significantly compromised in several different aspects: The Stockfish Elo rating provided in the paper is the full version, thus this replication is needed.Note that Stockfish had good 64 threads CPU and could evaluate 70 million positions/second.So, did anyone test it? Is anyone interested in testing it? Maybe Stockfish developers, because Stockfish's pride is at stake? Or is there other way to approach the problem? Thus we could infer the Elo rating of AlphaZero and answer most questions. Stockfish remains the premier chess engine on the planet on this update, topping all rating listsbullet, blitz, and rapid. One work around is to replicate the Stockfish version that played AlphaZero, to see how strong it is compared to the full version and other engine and human. Stockfish made huge waves earlier this year when the release of Stockfish 12 pushed computer chess to new Elo heights. However, this leaves chess lovers with many questions like what is the true strength of AlphaZero? What is the true advantage of strategic/positional sacrifice play? Were Morphy, Tal, and others correct and Stockfish wrong? Or full version Stockfish is still the best? counting/tactical play by brute force search. It is to test intuitive/strategic play by deep learning technique vs. This setting by DeepMind is understandable from a scientific perspective though. But some people were disputing its win, because Stockfish was running on weak hardware (1 GB RAM), not access to opening book, not having free time control, maybe not have endgame table base, etc. AlphaZero has defeated Stockfish with all novelties and brilliant strategic sacrifices. ![]()
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