Ranks suddenly moving up. Bug or feature?

[omote]

I’ve been steadily ranked around 15-16k for ages, and just figured I suddenly jumped to 11k. Seems that all my opponents’ ranks in ongoing games have also jumped 3 or 4 ranks up. Is that normal?

[Bray]

2021 Rating and rank adjustments

tl;dr - Expect a notable bump in your rank. The lower the rank you are, the larger the increase. This transition is planned to take effect around 2021-01-28T01:30:00Z (UTC) . Summary of the update: We are attempting to align our low dan ranks to be comparable to the EGF and AGA low dan ranks. Currently we are projecting that a 1d OGS rank will be about .7 stones weaker than an EGF 1d and about 0.8 stones stronger than an AGA 1d. These numbers will be re-evaluated once the dust settles, but…

[omote]

Ha thanks, had missed that.