Ranked distribution changes didn't change the players you get in your match. We didn't change anyone's skill rating, how their MMR changes, or changed any back end calculations for players directly. We only moved the cut offs for lower ranks.
Think of it this way. I'm using made up numbers for this. So lets say you have a match making rating(MMR) of 450. Before the change we said "You are Iron 2 if you are between 400-500 MMR." Turns out, iron 2 had too many players in it, we overestimated how many players would end up at that 400-500 MMR. So to fix it we now say "You are in Iron 2 if you are between 400-420 MMR, and Iron 3 421-480 MMR, etc." The player that is 450 MMR would go from Iron 2, to Iron 3, without actually changing their skill/MMR. Because MMR is a reflection of the players skill, that number didn't change.
When you match make we use your MMR to match you with similar MMR players. So it doesn't matter what Ranks you run into in your lobby, your MMR is ar...
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