Engine

Displays the Load Engine dialog box to select an engine and to set the parameters.

Engine Parameters

Displays the Engine Parameters dialog box to set the engine parameters.

Suspend / Resume

To suspend or to resume the engine.

Threat

This function show you the immediate threat, i.e. what the opponent could do if no defensive move is made. Click again to go back to “normal mode”.

Lock

You can lock the engine to a particular position. After that you can move around the game without the engine following. Click again to unlock.

Copy to Notation

Copies the best variation into the game notation. The programs always adds the variation. It does not check if the variation already exists.

Variation Board

This inserts a small board on which you can play through the main line. Use the buttons below the board to replay the variation. Choose this option again to hide the small board.

Show Buttons

To show or hide the buttons at the top of the Engine Window.

Choose Font

To set the font type and size used in the Engine Window.

Close

Closes the Engine Window.