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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How is Elo calculated in the beginning at 1970? [duplicate]

We all know that Elo is calculated between two already Elo rated players or at least between one Elo rated and the other unrated,then the question is: How Elo rating is calculated between the first ...
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9 votes
2 answers
2k views

Do you lose/gain rating if you withdraw in the middle of an OTB tournament?

Magnus just withdrew from the Sinquefield Cup. Does that affect his rating at the end of the tournament? Will he gain or lose rating based on at the time he left the tournament in the next fide update?...
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3 votes
3 answers
371 views

How do you find the highest-rated win of a certain player?

I'm looking for a tool where I can input a name (e.g. Hans Niemann, Levy Rozman, Eric Rosen etc.) and it will tell me the highest rated player they beat in chess (FIDE rated games). I appreciate any ...
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6 votes
1 answer
76 views

How rating changes happen for tournaments starting near the end of the month?

For simplicity I will try to explain my question with a real example. The 28th Abu Dhabi International Chess Festival - Masters was held from 2022/08/17 - 2022/08/25 and therefore the ratings changes ...
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5 votes
1 answer
281 views

What is the difference between a good player and an average player? [closed]

I have been playing chess for a while now and have played many national level tournaments as well. But I don't know if I know clearly or not what is a difference between a good player and an average ...
1 vote
1 answer
85 views

What does the "GMS" abbreviation mean here?

I was wondered what the abbrevation meant here. https://ratings.fide.com/profile/2027895/chart "Period RTNG GMS RAPID RTNG RAPID GMS BLITZ RTNG BLITZ GMS" From the context it seems a ...
3 votes
1 answer
183 views

Are cyborg (human+computer) players really better than the best chess engines?

I saw this rating score chart recently: Is it true that cyborg chess players are (that much) better than the best chess programs by themselves?
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5 votes
0 answers
142 views

What Elo rating does The Chessmaster 2000 have?

A recent agadmator video pitted The Chessmaster (NES) against Stockfish 14 NNUE. What is more impressive to me is that this chess engine, released originally in 1986 and written by David Kittinger in ...
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11 votes
2 answers
192 views

Rock, paper, scissors of chess players

Chess players are typically rated by a single number, their Elo rating, which suggests that their skills are totally ordered and thus transitive. But I am wondering if there have ever been three (well-...
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6 votes
1 answer
68 views

Quick rating higher than normal?

I recently bought a USCF membership and played in my second tournament. The first one I played without a membership. I looked at my ratings, but noticed my quick rating was 1521, which is over 200 ...
3 votes
1 answer
73 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 ...
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13 votes
3 answers
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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 ...
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8 votes
1 answer
179 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 ...
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3 votes
3 answers
504 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 ...
4 votes
2 answers
583 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 ...
5 votes
4 answers
368 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
121 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 ...
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3 votes
1 answer
205 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 ...
4 votes
1 answer
198 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 "...
2 votes
1 answer
238 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 ...
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1 vote
2 answers
113 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/...
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2 votes
1 answer
131 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 ...
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3 votes
3 answers
596 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 ...
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9 votes
1 answer
1k 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). ...
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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 ...
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3 votes
1 answer
175 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 ...
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12 votes
0 answers
454 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
66 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 ...
0 votes
1 answer
48 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?
1 vote
1 answer
943 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 ...
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6 votes
4 answers
788 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 ...
6 votes
1 answer
134 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
365 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 ...
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’...
4 votes
2 answers
433 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 ...
5 votes
1 answer
231 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?
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 ...
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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 ...
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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 ...
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-2 votes
1 answer
281 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 ...
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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?
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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 ...
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1 vote
1 answer
150 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 ...
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12 votes
1 answer
265 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 ...
4 votes
1 answer
342 views

What is "Hybrid Chess"?

According to the latest FIDE rating regulations: 2. Laws to be Followed      2.1 Play shall be governed by the FIDE Laws of Chess or the Regulations for Hybrid Chess Competitions So, "hybrid ...
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4 votes
2 answers
144 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 ...
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3 votes
1 answer
298 views

How is rating score calculated on Lichess?

I've recently lost to a 1500 player. My rating is about 1200. Ironically, he got 163 points. How is it possible for a 1500 player to gain more points on a lower-rated player? The system that Lichess ...
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-1 votes
2 answers
66 views

Planing 2022 targets [closed]

As I do every year at this time, I start to plan my targets for the coming year relating to different parts of my life. I tend to start with at target to reach for the end of the year then back it ...
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5 votes
2 answers
132 views

Why does rating differences matter more in lower rated games on lichess?

I'm rated 2150 in lichess.org and I have noticed that it is much harder for me to lose against a 2000 than a 1800 to lose against a 1650 despite having the same difference in rating points. Is there a ...

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