xboard : start engine with xboard protocol when gui not send this command.
hash : size for hashtables, default is 256 (Mb).
book_file : file for openning book, the format is polyglot, default 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.
Example Command Line Parameters:
xboard hash 128 book_file book.bin egbb_path c:\egbb\ movenow 1 log 1