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'''Stockfish''' is an ] ], developed by Tord Romstad, Joona Kiiski and Marco Costalba and licensed under the ]. The current version 1.7.1 (as of April 10, 2010) is available as source code, and also has precompiled versions for ], ] 32-bit/64-bit and ] 64-bit available. The program uses the ] protocol and can therefore be operated under various graphical interfaces. It can use up to eight ]s in ] systems. The maximum size of the ]s is eight gigabytes. Stockfish implements an advanced ] and uses ]s. '''Stockfish''' is an ] ], developed by Tord Romstad, Joona Kiiski and Marco Costalba and licensed under the ]. The current version 1.7.1 (as of April 10, 2010) is available as source code, and also has precompiled versions for ], ] 32-bit/64-bit and ] 64-bit available. The program uses the ] protocol and can therefore be operated under various graphical interfaces. It can use up to eight ]s in ] systems. The maximum size of the ]s is eight gigabytes. Stockfish implements an advanced ] and uses ]s.


In various computer chess rankings Stockfish 1.7.1 is second behind the top commercial program ] and just ahead of ]. <ref>{{cite web|url=http://www.husvankempen.de/nunn/40_40%20Rating%20List/40_40%20BestVersion/rangliste.html|title=CEGT 40/20|date=20 April 2010|accessdate=20 April 2010}}</ref><ref> </ref> In various computer chess rankings Stockfish 1.7.1 is second behind the top commercial program ] and just ahead of ].<ref>{{cite web|url=http://www.husvankempen.de/nunn/40_40%20Rating%20List/40_40%20BestVersion/rangliste.html|title=CEGT 40/20|date=20 April 2010|accessdate=20 April 2010}}</ref><ref> </ref>


The program originated from another open source program by Romstad named ''Glaurung'' (latest version 2.2 of December 2008). The program originated from another open source program by Romstad named ''Glaurung'' (latest version 2.2 of December 2008).

Revision as of 05:41, 22 April 2010

Stockfish is an open source chess engine, developed by Tord Romstad, Joona Kiiski and Marco Costalba and licensed under the GNU Free Documentation License. The current version 1.7.1 (as of April 10, 2010) is available as source code, and also has precompiled versions for Microsoft Windows, Linux 32-bit/64-bit and Mac OS X Snow Leopard 64-bit available. The program uses the UCI protocol and can therefore be operated under various graphical interfaces. It can use up to eight CPU cores in multiprocessor systems. The maximum size of the transposition tables is eight gigabytes. Stockfish implements an advanced alpha-beta search and uses bitboards.

In various computer chess rankings Stockfish 1.7.1 is second behind the top commercial program Rybka and just ahead of Naum.

The program originated from another open source program by Romstad named Glaurung (latest version 2.2 of December 2008).

References

  1. "CEGT 40/20". 20 April 2010. Retrieved 20 April 2010.
  2. CCRL 40/4 FRC

External links

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