How does BG matchmaking work??
MajesticOcean
Member Posts: 47 ★
I just keep encountering matches like this, wondering if it’s champ rating based or just BG rank based.
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Starting at Bronze 3, players are matched based on a strength-based metric that seems to take the player's roster strength into account and possibly progress. It does *not* look at your deck (this was tried and abandoned in earlier seasons). It looks at the strongest champs in your entire roster, whether you place them in your deck or not (to prevent deck-based match making manipulation). The match maker appears to look for a reasonable match within your actual tier (i.e. Bronze 2, Silver 1) but will also look in adjacent tiers if it can't find a match.
This strength-based matching criteria is weighted. Initially, all your matches will fit this criteria. However, as you climb in VT, the weight of this criteria drops, so that the game starts to prefer those matches less and less. By somewhere around Platinum 2 this criteria disappears entirely and you start matching against anyone in your tier, regardless of strength.
In the Gladiator circuit, match making shifts to an ELO-like rating based system. You earn rating for wins and lose it for losses, much like Alliances do in Alliance war. The game looks for matches with similar rating. In other words, players who are winning and losing with similar proportional records to you. The lowest your rating can drop to is zero. Losing with zero rating keeps you at zero.