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WvW Rating Reset Coming Soon

A quick update on WvW. Looks like all pairings are going to be reset now that free transfers are done. Little surprising, but makes sense. Full post is below.


In the run up to the end of free world transfers we saw large population changes as people settled in to their home servers. This means that the WvW teams being fielded by many of the worlds are now dramatically different. In recognition of this fact, and in light of the increased population stability that comes with paid transfers, we feel that this would be a good time to reset the ratings of all the servers. A reset at this point will allow the rating & ranking system to more quickly and correctly rate these (effectively) new WvW teams.
Here’s how the reset will work:

1) We’ll let the current matchup play out. Since free transfers were available during the first part of this matchup we don’t want it to count towards the new ratings.
2) When the matchup rolls over on Friday, February 1st we’ll post the final ratings & rankings. The new ordering will determine the groupings for the next matchup as usual.
3) After the new matchup has started on February 1st we’ll reset all the ratings (and deviation & volatility) behind the scenes.

Because every world will have reset ratings the system will treat the February 1st matchup as the first matchup and will calculate the ratings accordingly. The new ratings will then be calculated normally in the way that you’re already familiar with. We expect several weeks of volatility while the ratings settle down but we believe that it will ultimately yield a more correct result more quickly than letting the current ratings persist. That also means that the coming month or two will be a fantastic time to fight for your world’s place in the rankings!

Additionally, we’re taking advantage of the reset to revisit some of the math behind the ratings. I’ll have more to post on that once we’ve crunched some numbers and made some decisions.

-Habib Loew