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Stockfish is an open source UCI chess engine, available for various desktop and mobile platforms. It is developed by Tord Romstad, Marco Costalba and Joona Kiiski, with many contributions from a community of open source developers. Stockfish is consistently ranked first or near the top of most chess engine rating lists and is the strongest open source chess engine in the world.〔(【引用サイトリンク】title=IPON Rating List )〕 It won the unofficial world computer chess championships in 2013 and was second in 2014. It is derived from Glaurung, an open source engine by Romstad. == Features == Stockfish can use up to 128 CPU cores in multiprocessor systems. The maximum size of its transposition table is 1 TB. Stockfish implements an advanced alpha-beta search and uses bitboards. Compared to other engines, it is characterized by its great search depth, due in part to more aggressive pruning and late move reductions. Stockfish supports Chess960, which is one of the features that was inherited from Glaurung. The Syzygy tablebase support, previously available in a fork maintained by Ronald de Man, was integrated into Stockfish in 2014.〔(【引用サイトリンク】 title=Stockfish development versions )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Stockfish (chess)」の詳細全文を読む スポンサード リンク
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