Graphic commentary
ChessBase uses coloured arrows and squares to illustrate tactical points and make strategic themes and plans more clear. The graphic elements are entered using a combination of mouse and keyboard:

Mark square green, draw green arrow  | 
Press Alt key and click square or draw line from a to b.  | 
Mark square red, draw red arrow  | 
Press Alt + Shift and click square or draw line from a to b.  | 
Mark square yellow, draw yellow arrow  | 
Press Alt + Ctrl and click square or draw line from a to b.  | 
If you draw a line with the same colour again you erase it.
The graphic commentary is stored together with the game and appears automatically during replay.
See also .....