From Wikipedia, the free encyclopedia Stockfish (chess)
Stockfish (chess)
Stockfish In various computer chess rankings Stockfish 2.1.1 is
Developer(s) Tord Romstad second or third behind the top gratis program Houdini
Joona Kiiski and the commercial program Rybka.[2][3][4]
Marco Costalba The program originated from another open source
Stable release 2.1.1 / May 8, 2011 (2011-05-08) program by Romstad named Glaurung. Stockfish was
forked from the 2.1 version of Glaurung; the latest Glau-
Written in C++
rung version 2.2 was released December 2008 but is no
Operating system Microsoft Windows longer developed.
Mac OS X
Linux
iOS References
Type Chess engine [1] "Stockfish Blog". Stockfish Team. 4 May 2011.
http://blog.stockfishchess.com/post/5203305648/
License GNU GPL
stockfish-2-1. Retrieved 4 May 2011.
Website www.stockfishchess.com [2] "CEGT 40/20". Chess Engines Grand Tournament.
29 May 2011. http://www.husvankempen.de/
Stockfish is an open source chess engine, developed by nunn/40_40%20Rating%20List/
Tord Romstad, Joona Kiiski and Marco Costalba and li- 40_40%20BestVersion/rangliste.html. Retrieved 30
censed under the GNU General Public License version 3. May 2011.
The current version 2.1.1 (as of May 8, 2011) is available [3] "CCRL 40/40". Computer Chess Rating Lists. 27 May
as C++ source code, and also has precompiled versions for 2011. http://computerchess.org.uk/ccrl/
Microsoft Windows, Mac OS X Snow Leopard, and Lin- 4040.live/. Retrieved 30 May 2011.
ux 32-bit/64-bit. The program uses the UCI protocol and [4] IPON; Ponder ON rating list
can therefore be operated under various graphical in-
terfaces. It can use up to thirty-two CPU cores in multi-
processor systems.[1] The maximum size of the transpo-
External links
sition tables is eight gigabytes. Stockfish implements an • Website
advanced alpha-beta search and uses bitboards. • Interview with the programmers (March 28, 2010)
Retrieved from "http://en.wikipedia.org/w/index.php?title=Stockfish_(chess)&oldid=464337973"
Categories:
• Chess engines
• Free software programmed in C++
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