Changelevel
The changelevel console command will end the current game, load the specified map and start a new game on it. The main difference with map is that the players are not kicked from the server.
Usage
Syntax: changelevel <mapname>

<
" and ">
" characters.
(Without .bsp extension)
Can access both maps in mounted VPKs and in the local mod/game maps
folder.