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Stockfish is a TCEC multiple-time champion and the current leader in trophy count. Ever since TCEC restarted in 2013, Stockfish has finished first or second in every season except one. Stockfish finished second in TCEC Season 4 and 5, with scores of 23–25 first against Houdini 3 and later against Komodo 1142 in the
Komodo failed to make the superfinal in Season 9, losing out to Houdini; but after Houdini was later disqualified for containing code plagiarized from Stockfish, [29] [30] [31] Komodo was promoted to the runner-up. Komodo retrospectively won Season 10 in the same way.
Most modern chess engines, such as Stockfish, rely on efficiently updatable neural networks, tailored to be run exclusively on CPUs, [9] [10] but Lc0 uses networks reliant on GPU performance. [11] [12] Top engines such as Stockfish can be expected to beat the world's best players reliably, even when running on consumer-grade hardware. [13]
In May 2018, Chess.com acquired the commercial chess engine Komodo, which held an Elo rating of 3300+, third behind Stockfish and Houdini. [17] The Komodo team also announced the addition of the probabilistic method of Monte Carlo tree search machine learning, the same methods used by the recent chess projects AlphaZero and Leela Chess Zero .
Stockfish played a sterling second round robin, including a win against both Stoofvlees and AllieStein, to take first place. Leela also closed the gap by not losing any games while defeating Ethereal, rofChade and Fire. By the third round robin, Stockfish was effectively qualified for the superfinal, while the second slot was still up for grabs.
That, plus the fact that Stockfish dominated Premier Division and had never lost a match to Leela, left it unclear which engine was superior, although most spectators favored Stockfish. [10] The superfinal turned out to be a roller-coaster. It began with Stockfish drawing first blood in game 7, and then scoring another win in game 10.
The superfinal was contested between Leela Chess Zero and Stockfish, with Leela Chess Zero winning by 5 points (+17 -12 = 71). [10] After a closely contested opening 33 games, Stockfish held a 1-point advantage, but Leela Chess Zero reeled off three wins in the following five games to take control of the superfinal.
The meaning of the term "chess engine" has evolved over time. In 1986, Linda and Tony Scherzer entered their program Bebe into the 4th World Computer Chess Championship, running it on "Chess Engine," their brand name for the chess computer hardware [2] made, and marketed by their company Sys-10, Inc. [3] By 1990 the developers of Deep Blue, Feng-hsiung Hsu and Murray Campbell, were writing of ...