SBMM

Matchmaking is the process a game uses to decide who plays with and against whom. Skill-based matchmaking, or SBMM, uses each player’s estimated skill – usually a hidden rating such as MMR – to form matches between players of similar ability. The goal is fair, competitive games where nobody is hopelessly outclassed or bored by easy wins.

Matchmaking also considers other factors, such as connection quality, region, party size and wait times. The balance between them affects how matches feel.

Why SBMM is debated

In ranked modes, almost everyone agrees skill-based matching is appropriate. The debate is about casual modes. Supporters say SBMM protects newer and less skilled players from being crushed every match, which keeps them playing. Critics, often more experienced players, say it makes every casual match feel like hard work, prevents relaxed games, and can lengthen wait times or worsen connection quality if the system searches further afield for evenly matched players. Developers rarely reveal exactly how their systems work, which fuels speculation.

Problems SBMM struggles with

SBMM is only as good as its information. Smurfs – experienced players on new accounts – disrupt it by appearing less skilled than they are. Players in a party with friends of very different ability can find matches unbalanced. And when few players are online, there may simply not be enough people of similar skill nearby.

What it means for new players

For newcomers, SBMM is generally helpful: it is the main reason beginners are not always matched with veterans. Early matches may feel unpredictable while the system is still learning your skill level. If a young player often struggles, it may help to look for modes that pit players against the computer or allow private matches with friends while they build confidence.