com_blood

The com_blood enables or disables displaying the blood.

Usage:
/seta com_blood 1
then do:
/vid_restart

Values: “0” or “1”
Default: “1” (it shows the blood)

Note:
It can affect your fps, in case when there are a lot of players exploding at the same time because of an arty or something similar.

cg_announcer
cg_drawFPS