rcon_password <password>
rcon say "HEY YO I HAVE TEH RCONZ"
rcon changelevel <mapname>
rcon maps * // will show you all maps installed on the server
rcon sv_alltalk 0/1
rcon mp_scrambleteams
rcon mp_restartgame X // restarts game in X seconds.
rcon mp_tournament 1
rcon tf_weapon_criticals 1/0
rcon kick <name>
rcon sv_password <password> // changes server password

rcon exec <config name> // see below for various configs
sta-tf2-CTF
sta-tf2-CP
sta-tf2-AD
cevo_stopwatch
cevo_push
cevo_ctf