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Questions tagged [glicko-2]

For questions related to the Glicko-2 rating system, an improvement on the original Glicko system. Consider tagging your question with [rating] as well.

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How does the Australian rating system (ACF) make use of information from games played outside of Australia?

I have yet to find any details of how the Australian rating system is implemented other then it being based on Glicko2. It must clearly do more than the Glicko research papers says. This question is ...
Ian Ringrose's user avatar
  • 1,515
1 vote
0 answers
58 views

What "hacks" does the Australian rating system (ACF) have to cope with fast improving children?

It seems practically all national rating systems have special rules to advoid issues with deflation due to fast improving children as well as special rules to help these children recorded ratings keep ...
Ian Ringrose's user avatar
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1 vote
1 answer
4k views

Is there any (free) online tool for calculating Glicko-2 ratings after a game?

I am looking for a tool where I can input the Glicko-2 ratings of 2 players and the result of the match (1–0, 0–1 or draw). Also, the rest of the Glicko-2 parameters, i.e., each player’s rating ...
hb20007's user avatar
  • 1,082
4 votes
1 answer
525 views

Should I calculate the ratings match-by-match or batch of matches?

I'm looking to implement a Glicko 2 library in my application. However the two libraries I'm considering are different. Firstly, they produce slightly different results for the same dataset (the ...
PMCA's user avatar
  • 41
8 votes
1 answer
3k views

Can one feasibly calculate the Glicko rating of a player by just using a pen, a paper and a calculator?

I calculate the informal Elo ratings of a small pool of players (~10-15 in number) of whom I'm a member, using a scientific calculator. Can I do the same with the Glicko rating system, feasibly? (I'd ...
Myungjin Hyun's user avatar
7 votes
3 answers
1k views

Are there any (free) programs that utilize Chessmetrics or Glicko-2?

I'm looking for a program that is capable of keeping track of player ratings while taking in the game data and hopefully outputting rankings based upon those ratings in some form. I've found ELORater, ...
mfarro07's user avatar
15 votes
2 answers
5k views

Glicko-2 Rating System: Bug or exploit?

I originally had this posted on Stack Overflow as it could be a bug in the implementations, but some suggested I post to math. I just found this Stack Exchange, and I thought who better? Some of you ...
ParoX's user avatar
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