Activision Blizzard released a 25 page study with an A/B test where they secretly progressively turned off SBMM and turns out everyone hated it

John Elden Ring

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Activision has historically stayed on the sidelines during these debates, but that changed earlier this year when the publisher finally lifted the veil on how matchmaking works in every modern Call of Duty game, and explaining its reasoning for choosing SBMM. Building on that, today the company published the first of a series of white papers diving deep (and I mean terminology tables and multi-format graphs deep) on matchmaking.

The new paper, a 25-page document titled "The Role of Skill In Matchmaking," is as impressive as it is jarring. On one hand, it's a little funny that Activision is treating the topic with tact and seriousness, posing such questions as "What is Skill?" and mapping "kills per minute" and "skill buckets" on graphs, when we all know that naysayers will probably just say "SBMM still trash lmao" and move on. But it's also a wild document for a videogame: I don't think we've ever seen a major studio go this in-depth on the intricate criteria and details that its algorithm uses to judge us.

Some of this ground has been covered before. We finally learned for sure back in April that Call of Duty's matchmaker, above all else, values finding matches quickly over ensuring it's perfectly balanced. What players might find most interesting is the discovery that Activision ran a secret test to see what CoD would be like with less SBMM (but not none). Those sneaky devils.

The experiment ran in Modern Warfare 3 in early 2024. Discreetly, Activision toned down the "skill" in skill-based matchmaking for 50% of the North American MW3 population.

The results? Over 90% of players with toned down SBMM played less Call of Duty after the change, with the top 10% of skilled players not as affected. The paper goes on to confirm what has, to me, always been the most obvious reason to have SBMM: random matchmaking primarily benefits really good players, and disproportionately sucks for average-skilled players.

via PCGamer
 

ethomaz

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ethomaz
Skill based matchmaking is good since you have enough population for that.

In small games with smaller population it become a issue.

I still prefer Ranked based matchmaking like Street Street Fighter uses… you play against your own rank and gain points to move to another rank… so you start to play with the guys of that other ranking… if you lose too much points you back to lower rankings.

It is pushes you to get better and give an better feeling of accomplishment.

Plus it is transparent to the player… while SBMM is something behind the scenes and nobody know the actual rules of how the game categorize the players.
 
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