The option “Opponent” under “Engine settings” tells the program who is playing a game at all. The following settings are possible:
- Computer – Computer -The engine plays against itself until the game is over or the user interrupts it
- Player – Computer – You have the white pieces, the computer plays black
- Computer – Player – You have the black pieces, the computer plays white
- Player – Player – The human player leads both the white and the black pieces. The program only checks the legality of the moves and constantly analyzes the current position
- Autoplayer – This option enables the automatic play of two computers on two different computers.