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In contrast, Lichess tends to secretly place detected cheaters in a separate playing pool, which prevents cheaters from knowing when they have been caught. [12] Chess.com and Lichess both allow detected cheaters to appeal their ban statuses. [13] Of roughly 39,000 appeals processed by Chess.com in 2023, about 0.3% were granted. [4]
Lichess (/ ˈ l iː tʃ ɛ s /; LEE-ches) [3] [4] is a free and open-source Internet chess server run by a non-profit organization of the same name. Users of the site can play online chess anonymously and optionally register an account to play rated games.
Search. Search. Appearance. Donate; ... A chess database is a database of chess games. [1] ... Lichess; Shane's Chess Information Database; See also
A chess rating system is a system used in chess to estimate the strength of a player, based on their performance versus other players. They are used by organizations such as FIDE, the US Chess Federation (USCF or US Chess), International Correspondence Chess Federation, and the English Chess Federation.
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Monte Carlo tree search (MCTS) is a heuristic search algorithm which expands the search tree based on random sampling of the search space. A version of Monte Carlo tree search commonly used in computer chess is PUCT, Predictor and Upper Confidence bounds applied to Trees. DeepMind's AlphaZero and Leela Chess Zero uses MCTS instead of minimax.
The first commercial chess database, a collection of chess games searchable by move and position, was introduced by the German company ChessBase in 1987. [ 117 ] Databases containing millions of chess games have since had a profound effect on opening theory and other areas of chess research.
Another approach would be to search a large master games database to look for occurrences of openings there. I'm not sure that's a good idea, either--I play Santasierre's Folly and the St. George Defense in my rapid games online and there are probably not many master game examples, though both openings are well-documented.