If that variable doesn't exist in your version, use this alternative:
& cl_cmdrate 101 : Syncs your movements and shots with the server as frequently as possible. cs 1.6 console commands headshot
These commands are primarily for local practice against bots or on private servers you host. If that variable doesn't exist in your version,
Use these commands to set up a headshot-only training environment. cs 1.6 console commands headshot