WarmupPracticeRanked Separate
CS2 warmup servers before ranked.
TDS includes warmup/practice direction so players can get loose before ranked. Practice data can support profiles later, but warmup does not directly increase ranked Elo.
Deathmatch
Warm your aim before queueing.
Retake
Practice late-round fights and site pressure.
Surf
Movement practice without polluting ranked stats.