1STOCKFISH(6) STOCKFISH(6)
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6 stockfish - free UCI chess engine, to calculate chess moves
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9 stockfish
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12 This manual page documents the stockfish command.
13 stockfish is an UCI chess engine, to calculate chess moves
15 Stockfish is a free UCI chess engine derived from Glaurung 2.1. It is
17 not a complete chess program, but requires some UCI compatible GUI
18 (like XBoard with PolyGlot, eboard, Jose, Arena, in order to be used
19 comfortably. Read the documentation for your GUI of choice for infor‐
20 mation about how to use Stockfish with your GUI.
21 This version of Stockfish supports up to 8 CPUs, but has not been
23 tested thoroughly with more than 2. The program tries to detect the
24 number of CPUs on your computer and set the number of search threads
25 accordingly, but please be aware that the detection is not always cor‐
26 rect. It is therefore recommended to inspect the value of the
27 "Threads" UCI parameter, and to make sure it equals the number of CPU
28 cores on your computer. If you are using more than four threads, it is
29 recommended to raise the value of "Minimum Split Depth" UCI parameter
30 to 6.
31 Opening book
34 This version of stockfish has experimental support for PolyGlot opening
36 books. For information about how to create such books, consult the
37 PolyGlot documentation.
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41 This program does NOT follow the usual GNU command line syntax, with
42 long options starting with two dashes.
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45 Communication with UCI commands is documented by "The UCI Communication
46 Protocol" in /usr/share/doc/stockfish/engine-interface.txt.
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49 stockfish was written by <Romstad Tord <tord@glaurungchess.com>> and
50 Marco Costalba <mcostalba@gmail.com>.
51 This manual page was written by Oliver Korff <ok@xynyx.de>, for the
53 Debian project (but may be used by others).
54 October 10, 2009 STOCKFISH(6)