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Zero-K Player Rating History


Rating:
Players:
CHrankAdminDeinFreund
From
To

Current player ratings


Casual
Current rating: 2682.104 ± 142.2311 (ω2 = 0.002379684)
Ladder rating: 2680.286
Ladder position: 10. Top 0.6%
Next rank bracket: 3921.484
Previous rank bracket: 2613.852

MatchMaking
Current rating: 2966.704 ± 145.2193 (ω2 = 0.003492226)
Ladder rating: 2984.488
Ladder position: 5. Top 2%
Next rank bracket: 3743.823
Previous rank bracket: 3039.674

Planetwars
Current rating: 1810.791 ± 568.0562 (ω2 = 0.0163035)
Ladder rating: 1810.791
Ladder position: Unranked
Next rank bracket: 2455.664
Previous rank bracket: 2035.664


About


This page gives a detailed view into the inner workings of the Zero-K rating system. The graph at the top shows the rating over time. Below you can find some more detailed information about current rating, ladder position and rank progress of the selected players.

Ratings


Ratings consist of an expected skill and variance. The lower the variance, the more certain the system is of the assigned skill. Variance starts at infinity for new players and generally decreases as the number of played games increases. They are calculated using a system called Whole History Rating.

Ladder rating is used to rank players. It generally follows the WHR expected skill, but is subject to some other rules. Ladder rating starts out at 1100 for any new player. Each victory it increases between 1 and 50 points and on each defeat it decreases between 1 and 50 points. The exact change is calculated as a moving average that converges to the average WHR of the last 30 days. If no game has been played within the last 30 days, the player is considered unranked.

Ranks


Player ranks, visualized as colored chevrons and stars next to their name, will change color depending on their rating. The rating required to reach a new rank is automatically updated so that each rank contains a set percentage of players. Thus, the rank color is a fairly direct indicator of a player's ranking percentile. The rank is calculated for every rating category, but only the best one is displayed.

In order to change rank in either direction, a player's rating has to surpass a 20% threshold into the next rank.

Icon Color Theme Percentile
Gamma ray Singularity Top 1%
X ray Neutron star Top 5%
Blue white Supergiant Top 10%
Bright yellow Giant Top 20%
Orange Subgiant Top 40%
Red Red dwarf Top 60%
Dark red Brown dwarf Top 80%
Infrared Nebula Everyone