Normally the depth is set to 29 and the computer terminates its search based on elapsed time rather than depth. If you set a maximum time per move and also use the depth command, the search will stop at the specified time or the specified depth, whichever comes first. If easy mode is disabled, the keyboard is polled for input every so often and when input is seen the search is terminated. It may also be terminated with a sigint. The usual warning about the language file applies.
Computer begins searching for a move.
To get the program to play after a sequence of moves has been entered use the 'white' or 'black' command followed by 'go'. Assumes the time specified for time control is the time for a complete game. Input with the level command should be the game time and the expected number of moves in a game. The program will prompt the user for a file name. Computer begins searching for a move.