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GNU Go Documentation

3.9.1 Some basic options

• `--help', `-h'

  Print a help message describing the options. This will also tell you the defaults of various parameters, most importantly the level and cache size. The default values of these parameters can be set before compiling by configure. If you forget the defaults you can find out using `--help'.

• `--boardsize size'

  Set the board size

• `--komi num'

  Set the komi

• `--level level'

  GNU Go can play with different strengths and speeds. Level 10 is the default. Decreasing the level will make GNU Go faster but less accurate in its reading.

• `--quiet', `--silent'

  Don't print copyright and other messages. Messages specifically requested by other command line options, such as `--trace', are not supressed.

• `-l', `--infile filename'

  Load the named SGF file. GNU Go will generate a move for the player who is about to move. If you want to override this and generate a move for the other player you may add the option `color <color>' where <color> is black or white.

• `--orientation n'

  Combine with `-l'. The Go board can be oriented in 8 different ways, counting reflections and rotations of the position; this option selects an orientation (default 0). The parameter `n' is an integer between 0 and 7.

• `-L', `--until move'

  Stop loading just before the indicated move is played. move can be either the move number or location.

• `-o', `--outfile filename'

  Write sgf output to file

• `--mode mode'

  Force the playing mode ('ascii', 'emacs,' 'gmp' or 'gtp'). The default is ASCII, but if no terminal is detected GMP (Go Modem Protocol) will be assumed. In practice this is usually what you want, so you may never need this option.