Reference
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.
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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 .....
3.1.20 Coloured circle in the notations?
In the notation you now often find a coloured symbol. What does it mean?
This symbol points out that within the notation there is some graphic commentary.
After a click on the symbol the relevant graphic commentary is immediately displayed
on the chess board.
ChessBase 2016