Command Line:

• xboard : start engine with xboard protocol when gui not send this command.

• hash : size for hashtables, default is 256 (Mb).

• ownbook 1 : use openning book, the format is polyglot.

• book_file : default openning book is caligula.bin.

• egbb_path : path to use 5 men Scorpio bitbases at he endgame, default path is: ./egbb/

• movenow 1 : allows the gui to interrupt engine during the search (lost ELO).

• log 1 : create a log file for debugging (can lost ELO).

 

console: start mode console for play without a gui.

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Example Command Line Parameters:
xboard hash 128 ownbook 1 book_file book.bin egbb_path c:\egbb\ movenow 1 log 1

 

 

Graphical Interface (GUI):

Caligula can also be configured from the graphical interface if it allows it. For example winboard (Windows), xboard (Linux) and Arena (Windows/Linux) allow it.