SBMM stands for skill-based matchmaking: a system that rates each player's skill and uses that rating to match them with and against players of similar level.
Unlike a simple first-come queue, SBMM tries to make matches fair, so a new player is not placed with veterans and the reverse. Almost every ranked mode uses it, and many casual modes use some version of it too.
How players use it
- "SBMM is making every lobby a sweat"
- "Is there SBMM in this playlist?"
- "Turn off SBMM in casual, please"
- "I smurfed my way out of SBMM, lobbies were so easy"
How SBMM works
Most systems keep a hidden or visible number for each player (often called MMR or an Elo-style rating). After each match, wins, losses and sometimes performance stats move the number. When you queue, the matchmaker looks for a lobby where the ratings are close.
The details differ per game. Some use only win and loss. Others also factor in kills, objectives, connection quality and queue time. Games rarely publish exact formulas.
Why players argue about SBMM
- Fairness. Supporters say SBMM gives fair matches and protects new players.
- Intensity. Critics say that strong players face tough lobbies every match, with no room to relax.
- Transparency. Players dislike not knowing what a game measures.
- Queue time. Tighter skill ranges can mean longer queues, especially at high ranks or off-peak.
Casual and ranked modes often use different rules. In casual playlists, many players want looser matchmaking, and some games mix SBMM with connection and region priority. Call of Duty is the clearest recent case: Black Ops 7 made Open Matchmaking the default, and Warzone casual playlists moved to it with Season 1 on 4 December 2025, while ranked still matches by skill. We covered it in SBMM in Call of Duty and in the Warzone SBMM article, and the broader debate in SBMM is breaking gaming.
SBMM and groups
Groups complicate SBMM. A premade is rated as a unit, and games treat it differently from solo queue players. That is also why smurf accounts exist: a strong player on a fresh account is rated as a beginner until the system catches up.
Related terms
- Solo queue: queueing alone.
- Smurf: an experienced player on a new account.
- Elo hell: being stuck at a rating.
- Premade: a pre-formed party.
FAQ
Is SBMM the same as ranked?
No. Ranked shows a visible tier and uses it for matches. SBMM is the broader idea: using skill to build matches, visible or hidden.
Can you turn SBMM off?
Usually not as a switch, but some games now offer playlists where skill matters much less. Call of Duty's Open Matchmaking, used in Black Ops 7 and in casual Warzone since December 2025, prioritizes connection over skill. Ranked modes always match by skill.
Does SBMM exist in casual modes?
Often yes, in some form. Games differ on how strongly they apply it and rarely publish the details.