Rank Activity Adjustment Procedures

July 18, 2022 7:24 AM

Rank Sitting: 

This implies this player is playing regularly compared to historic activity. If a player isn’t playing much Dota at all, they are not adjusted. If a player plays regularly and substantially more unranked/competitive Dota relative to ranked (if ranked is ~<15% of their games within the last 6 months) adjust using the following formula:

25x - 1250

x = lifetime ranked winrate. 

This answers the question: How much mmr would this player gain if we asked them to play 50 ranked games?

 Using the orange line here, plug lifetime win rate for x, find the Y coordinate, and dividing the result by 2 (for us halving adjustment impact) : https://www.desmos.com/calculator/brkussnwrh

Sandbagging:

If recent (within 1 month or 1 week, or whenever low win rate started occurring) ranked win rates are below 2 standard deviations away from lifetime ranked win rate adjust using the following formula:

(X((100-2Y)/100)x25)

X = games Y = ranked winrate

Divide this answer by 2 for us halving adjustment impact

This answers the question: What mmr was this player before they started losing games outside of normal deviation (95% of all probabilities)? 

If players do not qualify for either, they are not adjusted

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