Questions tagged [rating]

A number that approximates a player's skill. The actual meaning of the number depends upon the issuing organization. FIDE ratings are used as the international standard for over the board chess

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4 votes
2 answers
431 views

When a US tournament entry is limited based on rating, when is the rating checked?

I see that some tournaments with prizes are limited to low rated players. Given that travel requires planning, I expect entry to the tournament is processed some time before the 1st day of the ...
19 votes
5 answers
6k views

What stops me from pumping up my rating by playing a 200 game match against a much weaker (>400 point difference) player?

This question is inspired by this extract from a question about minimum rating gain: One of the top 10 players in the world (say Magnus Carlsen), wants to increase his rating to 3000. He has a good ...
3 votes
1 answer
52 views

What games in a FIDE rated tournament does FIDE NOT rate?

In a recent FIDE rated tournament I officiated in one of the players complained to me afterwards that only 2 out of his 5 wins had been rated by FIDE. "What", he wanted to know, "was ...
3 votes
3 answers
455 views

Estimation of "God's Elo"

Assume a 32-piece tablebase would exist. It would be a Chess God. Surely there have been estimations of its ELO? According to the very related question, two problems arise: a) At any point the ...
13 votes
3 answers
3k views

What rating point advantage does playing White equate to?

Data shows white has a non-trivial advantage (Does white have an advantage?) but has anyone ever done any analysis what ratings point advantage/handicap? Put another way if player W plays white ...
4 votes
2 answers
142 views

An abstract Top 1 player rating vs time

How the highest Elo rating has been changing over time? Is there such an abstract data? Preferably FIDE rating. I've been trying to find a graph or a table, but all I can find is a list of peak ...
4 votes
7 answers
3k views

How well does Elo rating estimate a player's strength?

Proposal: strength is the real and rating is the model that estimates it. Question: How well does Elo rating estimate a player's strength? Bonus question: What happens if you take the player's rating ...
8 votes
1 answer
167 views

For what percent of the time has the official World Champion not been the world number 1?

Now that Carlsen has decided not to defend his title the next official world champion will not be the world number 1. According to this tweet from Welsh GM Nigel Davies : I would estimate that for ...
7 votes
3 answers
20k views

Is there a list of approximate ELO ratings for each Stockfish level?

I want to create something that will select an appropriate Stockfish difficulty setting automatically given the player's rating. The straight Stockfish v11 that I've downloaded has 20 difficulty ...
4 votes
2 answers
569 views

“Rating” going up too fast [closed]

I am a chess beginner. I love playing Blitz games (especially 3+0). I play on Lichess.org. My “Lichess blitz rating” (currently between 1040 and 1060; not giving exact value for privacy) has been ...
6 votes
2 answers
6k views

What's the highest rating any computer has ever attained?

Along with that, I'd like to know what the highest rating of any human has ever been - including historical estimates.
6 votes
8 answers
2k views

Can you objectively determine who was the best chess player of all time?

There have been a number of statistical attempts (e.g., chessmetrics and edo) or computerized attempts to determine who was the best chess player of all time. The statistical approaches attempt to ...
5 votes
4 answers
363 views

Besides rating consistency and rating going up, are there other objective ways to track progress in chess performance?

For example, could one measure ACPL (Average CentiPawn Loss) over time to detect progress? Could masters look at the games of a player and determine they're playing better even if their rating isn't ...
4 votes
1 answer
110 views

How Universal Ratings can become much higher than FIDE ratings

From what I understand Universal Ratings takes into account all Standard, Rapid and Blitz to give a universal rating. But I don't understand how it can be much higher than any of the FIDE ratings. For ...
3 votes
1 answer
194 views

How does the Israel Chess Federation (ICF) update ratings for players who no longer play in Israel?

I just seen an interesting statement about ICF ratings: When I moved to England and stopped playing ICF rated chess I was curious as to what would happen to my ICF rating. It stayed in synch with my ...
5 votes
7 answers
908 views

Is playing stronger opponents useful as a beginner?

I have signed up to a chess website and there are very few people who are as bad as I am (rating around 800), so I have to resort to playing against people who are much better (1200+) and end up ...
4 votes
1 answer
163 views

Difference between national and international rating

For extreme cases see here, but I'm interested in statistical averages. The most skewing factor, as already mentioned there, should be underrated players, which simply haven't played against the "...
3 votes
3 answers
586 views

Sorting players by FIDE blitz/rapid ratings

In the FIDE advanced search it seems to only allow search by standard rating. Is there a way, for example, to search the list of players with descending blitz rating or rapid rating? My final goal is ...
2 votes
1 answer
165 views

How do I get a FIDE ID?

I’m going to play in my first tournament which have said the following: “Those who don’t have a FIDE ID have to enroll FIDE ID registration under your own federation” and I don’t understand what they ...
4 votes
4 answers
3k views

What's PlayMagnus age 10 Magnus' true elo?

I do realise that a similar question might have been asked before; however, all intel about the topic that I have managed to gather to date seems to be outdated: almost everywhere I search, it is said ...
1 vote
2 answers
104 views

How do you calculate the chess rating of players using the Ingo system?

I have been reading on the references below but could not understand it. References: https://en.wikipedia.org/wiki/Chess_rating_system http://www.chessboss.com/chess-rating/ https://chessdelights.com/...
35 votes
13 answers
78k views

Most effective way to achieve a 2000+ rating in one year, starting as a 1600?

I currently play at around a 1600 level, and have stagnated in terms of rating improvements for quite some time. I have always played chess recreationally, occasionally doing tactics puzzles here ...
1 vote
1 answer
728 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 ...
5 votes
4 answers
2k views

What do you call average?

Is there an average rating? If so, what is it? I saw this in a chess.com forum: There's no such thing as an "average" chess rating, but a solid club-level chess player might be rate ...
2 votes
1 answer
111 views

How does a single player have 2 different FIDE accounts

When searched Yu, Yangyi you get 2 results. One is the top Chinese super GM. The other is an unrated player with Blitz rating 2544. Both have different Birth days according to FIDE but when I checked ...
9 votes
1 answer
928 views

Can a Chess Federation lower their NM title standard so people can get the benefits of it?

From what I read in the Wikipedia page https://en.wikipedia.org/wiki/Chess_title#National_titles it mentions Some national chess federations award titles such as "National Master" (NM). ...
10 votes
2 answers
4k views

How is it possible for a player without 2500 ELO to obtain the GM title?

I recently came across a GM who has a peak rating 2495 and has obtained the GM title after completing three norms. From my understanding, in order to become a GM one must Achieve a FIDE rating of ...
3 votes
1 answer
142 views

Why are unrated players counted as rated players in this FIDE rated event?

I came across this event where unrated players are also counted as rated players. Below you can see that every player has a rating of 1824 but when you view the tournament there are a lot of unrated ...
10 votes
0 answers
379 views

Lowest rated player(s) who earned a GM norm

Who had the lowest rating when they earned at least one GM norm?
3 votes
1 answer
60 views

What is the justification for calculations of FIDE unrated player having different rules depending on tournament type?

From the FIDE handbook 8.22 If he scores 50%, then Ru = Ra 8.23 If he scores more than 50%, then Ru = Ra + 20 for each half point scored over 50% 8.22 If he scores less than 50% in a Swiss or team ...
3 votes
1 answer
56 views

What is the justification for the calculations of FIDE previously unrated player not being balanced?

From the FIDE handbook 8.22 If he scores 50%, then Ru = Ra 8.23 If he scores more than 50%, then Ru = Ra + 20 for each half point scored over 50% 8.22 If he scores less than 50% in a Swiss or team ...
6 votes
4 answers
780 views

Is there a tournament system that pairs players based on ratings being similar?

Clearly games are more fun when the result can't be predicted in advance hence pairing players who have not recently played each other and have similar ratings has advantages. After a few games it ...
0 votes
1 answer
44 views

What is the difference between TPG and Tournament Performance Rating?

wI understand "Tournament Performance Rating", but I have seen a Web calculator that also has TPG. What is the difference between them and why are both used?
5 votes
2 answers
2k views

Players who are consistently rated over 2500 but are not GM

How many players are consistently rated over 2500 but are not grand masters? (I am interested in players who have been over 2500 for a few years while actively playing chess.) —---- See also Why wasn’...
6 votes
1 answer
128 views

How do rating systems cope with clusters of players who nearly always only play people within their cluster?

Given the issues with rating people who mostly play within a cluster that contains few people who play outside the cluster, I was expecting rating systems to take more notice of results against ...
2 votes
2 answers
344 views

Does FIDE publish the results of all rated games?

It seems a lot more information could be gained by fully processing a game results database then just updating a number only while looking at the previous months results. For example is a person's ...
6 votes
1 answer
512 views

Relation between ratings for Chess960 and standard chess

Is there any relation or any attempt at discovering a relation between Chess960 ratings and standard chess ratings? This can be for GMs, for (any)M's, for pro players, or for all players on lichess/...
3 votes
2 answers
2k views

FIDE Rating Distribution

This answer has a link to the Lichess blitz rating distribution which looks like this: It looks like a good approximation to a normal distribution, perhaps slightly skewed to the upper half, and has ...
5 votes
1 answer
156 views

How quickly after a tournament are USCF ratings updated?

I see that for international ratings they are updated once per month using all results from completed tournaments in that month. When are USCF updated and published?
-2 votes
1 answer
262 views

Iuri Shkuro is part of the top peak FIDE blitz rating list (2800+) apparently by 'farming'

There's a Sep2020 reddit post by user ChessAddiction entitled 'How the Elo rating system works, and why "farming" lower rated players is not cheating.' I also ask about farming here: When is ...
10 votes
6 answers
1k views

What are some examples of wins by a much weaker player?

I'd like to study examples where a much weaker player succeeded against an IM or GM.
3 votes
6 answers
3k views

Does it makes sense to have a 1315 Blitz rating and a Rapid rating of 1729?

I am rated 1330 for Blitz on Lichess. I was trounced by a clearly better player who had a lower ranking of 1315 for Blitz. Their profile also shows a Rapid rating of 1729. Is it possible for these ...
4 votes
2 answers
263 views

Tournament (After 10 year hiatus...)

Good afternoon everyone, *This is my first post on this forum, so if I placed this in the wrong section, please let me know. I used to play regularly back in high school and stopped once I started ...
4 votes
1 answer
285 views

Rating system (glicko, elo, etc): is 'predict the outcome of games' the same thing as 'reduce the number of upsets'?

From Lichess page 'Chess rating systems': Question: Which rating system is best? Answer: The purpose of rating systems is to predict the outcome of games. Therefore, they can be objectively better ...
12 votes
1 answer
263 views

Is there any correlation between average rating and the time of the day?

Crosspost to Stats.SE. I play online bullet, mostly lichess, sometimes chess.com. Once I noticed that my average performance varies depending on the time of the day: e.g. at the morning I can lose 50 ...
17 votes
1 answer
2k views

How do you register a FIDE rating?

I want to register a FIDE rating, but I can find nothing about that on the official website. How do I register an official FIDE rating?
11 votes
5 answers
2k views

Approximating a rating for too strong engines

Suppose we have an extremely strong engine that happens to win every game it participates in even against the most powerful engines and players. If it continues to win every game, its rating (for ...
-5 votes
1 answer
128 views

Is the average online account underrated in chess960?

I'm going to use lichess as an example, but I believe this applies to chessdotcom too. (I think it's better to use lichess as an example anyway because lichess and statistics for Chess960.) It looks ...
1 vote
1 answer
137 views

As GMs get older, does their age affect their Classical, Rapid and Blitz ratings equally?

As GMs age beyond their prime, their ratings will likely drop in Classical, Rapid and Blitz chess. If we compare the mean Elo ratings of older and younger GMs across all 3 time controls, does it show ...
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, ...

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