Are any of these servers what you are looking for?

Servers with "FFA" in the name:
respawn.skillsv.ro [steam only + FFA]
[FR] Serveur FuN & FFA - Good Quality
[INEA] CS 1.6 FFA @ g4g.pl
< www.ntFun.net -FR- Serveur FFA > 32 bits only
KLD.SU CSDM:FFA | HS only #3 [1000FPS]
Olympus CS 1.6 DM FFA #2
Olympus CS 1.6 DM FFA #1
MadFrager CSDM FFA
[PL] FFA SateLLite CS-SE
GameWorld.KZ DeathMatch:FFA