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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2answers
54 views

How has the frequency of FIDE rating lists changed over the years?

Today FIDE publishes a new rating list once a month. When FIDE first started publishing official lists in 1971 they came out once a year. How has the frequency changed over the years? When did the ...
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Are engine ratings directly comparable to human-level play?

Yesterday, I play a game against Stockfish 7, and it has 2200 rating points. I drew 2 games, and lost 1. The point is that if I play against a human-rated 2200 player, I would probably have a ...
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What are the records for highest 1 year span performance rating?

I've heard that Bobby Fischer had a 2892 performance in 1971. If this is true, it's probably the highest performance, but I don't know if this is true. Does anyone have any information about this?
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Why did I get only 5 points even though I won?

I'm learning chess and I practice in the chess.com app. I don't understand how the winning points are calculated in every match.
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137 views

Should FIDE introduce a minimum rating for arbiters?

As it stands right now, FIDE does not have any minimum Elo rating requirement for arbiters. In fact, there's no test to check whether one can play chess or not before being awarded a FIDE arbiter-...
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How strong is each level of Atari 2600's Video Chess?

I used to play Video Chess on Atari with my dad when I was a kid. What is the approximate FIDE rating of each level?
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222 views

How do age and initial rating correlate to decline in playing strength with age?

The current Rausis phone cheating scandal saw a player with an initial rating of about 2500 in his 50's improve by about 200 rating points in 6 years. This improvement was remarkable because older ...
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912 views

I played my first (rapid) tournament recently and I wanted to calculate my ELO

According to FIDE regulations I should calculate the average of my opponents and just plug it here: https://ratings.fide.com/calculator_rp.phtml. I scored 5/9 but a couple of players didn't have ...
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How many chess players are over 2500 Elo?

They say that there are currently about 1500 grandmasters. I was wondering how many chess players currently have "grandmaster strength".
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84 views

How do you calculate error bars on elo rating? [closed]

In season 14 of TCEC, Stockfish defeated Leela 50.5-49.5 in a 100-game match (the closest possible winning margin). Using an elo calculator such as this one, we can see that the elo difference between ...
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1answer
158 views

How much worse do GMs play in their blitz and bullet games?

How much of a skill drop is there when a GM plays a blitz game or a bullet game versus rapid and classical? What I mean is, imagine if Carlsen was given 1 minute to play in, and he played against ...
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Could playing in chess tournaments make you really good at chess?

This is essentially the same as my question https://psychology.stackexchange.com/questions/23207/could-being-given-unlimited-tries-to-correctly-answer-an-open-ended-question-be except that it's ...
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Probability of winning based on Elo rating [duplicate]

I already looked on several websites but I have not been able to get a clear and thorough answer to this question: If player A has FIDE rating x and player B has FIDE rating y, how many times, on ...
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246 views

At what point does this mental trick stop working?

Sometimes, I'll be in a position where my opponent is threathening to do something and I cannot stop it. So, in response, I play a move that looks pretty dangerous and clever, but which I in fact have ...
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1answer
241 views

Database of chess results

I'm looking for a database or a collection of the chess results of all FIDE-rated games (standard time control). The data I'm interested in is: the white player, the black player, the result and the ...
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1answer
76 views

Difference in Tactics Ratings

I have a Chess.com tactics rating (default blitz setting where time to solve is instrumental in getting points) hovering around 1750 but for some reason I can't get beyond 1550 on the Chess Tempo's ...
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131 views

Rating calculation problem

Firstly I got 1018 rating last year. Then next tournament deducted 25 and my FIDE rating became zero. Then I faced next tournament opponent 03 players 1352, 1255 and 1174 respectively. All 03 games ...
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216 views

Which countries are easiest to gain rating points and earn FIDE titles in?

I recently played in a tournament in Iran (Fajr Cup, u2000), where 1600-rated players were a serious threat, and 1400-rated players would fight to the last pawn. I don't think a single opponent of ...
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1answer
122 views

Glicko 2- Calculating 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 ...
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201 views

Rating system for 5000 players

we belong to a state in India with over 5000 active players. FIDE rating tournaments and FIDE rated players are here but we wish to start a new internal rating system like the USCF or ACF rating ...
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Establish Rating System for My Community

I want to establish a rating system for my community. I've decided to publish the rating every 1st January, April, July and October. Every new player will be given a rating of 1200. Using result ...
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1answer
198 views

Am I actually playing against a 1425 rated player?

I am using Deep Shredder 13 and somewhat struggled with the engine at 1400. I then managed to defeat 1425 with great ease. The game went as follows [FEN ""] 1. d4 e6 2. Bf4 Nf6 ...
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338 views

Stuck around 2000 rating. Concrete advice for improving? [closed]

I've been stuck around the 2000 rating mark on various different online chess websites for a few years now. I seem to have hit a wall. I'm quite busy so when I do find time for chess I tend to just ...
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286 views

Why don't the ratings of Carlsen and Caruana change after 4 games in the WCC 2018?

By now there were 4 games and all were drawn. Should it not mean that Caruana should get points?
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491 views

How accurate is Chess Maniac's online rating estimator?

After decades away from tournament play, I decided to play in an open tourney my child entered. Trying to gauge how my game might have changed during my time away, I found an online rating estimator ...
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109 views

What was the youngest age at which a prodigy could be considered to have been a master?

There is a photo of Reshevsky playing at a very young age (like 8) against many adult players but there were no ratings in those days. I assume that a modern GM who got the title at 12 must have been ...
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Theoretical new rating system (dissuading GMs from resigning) [closed]

Very rarely do grandmasters let themselves get checkmated. And to a certain extent I totally can understand that; grand masters can see the writing on the wall and they know when they are going to ...
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Why is there a minimum rating gain when you win?

Fide has a rule saying that if one player is rated more than 400 points higher than his opponent, their difference should be set to 400 when calculating rating gain/loss. That means no matter how weak ...
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225 views

Calculation of national rating

In order to calculate effect on national rating, should it be enough to choose the relevant k coefficient (assuming this is what makes for the discrepancy between national rating and FIDE rating) and ...
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176 views

Experience of big difference between Elo and national rating?

I was just wondering if others have experienced big differences between players Elo and their national rating? Currently I am playing a tournament outside of my own country. The tournament is Elo ...
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1k views

Unknown old FIDE players

I am interested in the History of chess and looking at old FIDE ranking lists I am a bit puzzled by the lack of information about some very good players. For instance, in the list of July 1972: ...
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1k views

What is the process for becoming a FIDE rated chess player?

I am new to chess. I read about FIDE so my question is: How can I can play in a FIDE tournament or become a FIDE-rated player? Is there any online process for that, or something else? Right now I ...
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1answer
119 views

In early FIDE ratings files what does a flag value of “n” indicate?

Here are examples from the January 2002 FIDE ratings file - 4603745 Kabisch, Thilo GER 2256 12 06.01.63 i 13701940 Kabov, Sergey ...
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Ratings criteria chess24

My rating in chess24 is 1560, is the rating based on my wins or any other criteria considered? I can see the scores change when I win or lose.
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1answer
268 views

Why are USCF quick ratings lower than USCF regular ratings?

I noticed that my USCF quick rating is lower than my USCF regular rating. At first I thought maybe it was because I was relatively weaker at faster time controls, but it seemed like the difference ...
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Is 80 points FIDE equivalent to twice as good a player?

I read somewhere that if you're around 80 points better than another player, statistically you should get around twice as many points against the same opposition. This impressed me because it's not ...
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1answer
1k views

How does lichess rating compare with chess.com rating? [duplicate]

I have accounts on both of these websites, but I don't know the difference of how they do the rating. Can anybody tell me at least a difference between lichess and chess.com rating?
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1answer
2k views

What rating system does the Play Magnus app use? [closed]

I played a total of 261 games against the Play Magnus app at different ages. My overall score is 144 wins, 99 losses and 16 draws. My last game was against the 10-year-old Magnus. Prior to the start ...
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Is my rating good? [closed]

I used to play chess a lot when I was younger (started when I was 2), but then a few years ago I stopped at around 10. I recently picked it up again and wanted to see how good I still am, so I took an ...
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480 views

How to calculate the FIDE Percentage Expectancy Table

Section 8 of the FIDE Rating Regulations provides the following table I understand that dp=800 and dp=-800 are arbitary caps at the top and bottom of the table. However, in relation to the other ...
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136 views

How is this kind of performance rating calculated?

On this website, I came across three ways of calculating performance rating: Performance rating (the proper method) Performance rating (FIDE) Performance rating (Linear approximation) I'm familiar ...
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227 views

Why doesn't FIDE recalculate ratings match after match?

In this question I brought up two rating systems and wondered which is used by FIDE. Briefly, they are: Method 1 Ratings are updated (recalculated in other words) after every match. Method 2 Ratings ...
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1answer
2k views

Can one feasibly calculate the Glicko (preferably Glicko 2) 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 ...
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1answer
305 views

How was the FIDE rating system introduced?

I am looking for a historical summary on how the first Elo ratings came about. Apparently in the first official rating list from 1971 there are already ratings in the range of 2200 to 2760. What are ...
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1answer
218 views

When was the oldest person ever to have a FIDE rating born?

Specifically, one FIDE rated player was born before all other FIDE rated players. Who was it and when was he born?
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552 views

Mistake in FIDE elo calculation?

One of the properties of an elo rating system is that the sum of all elo changes is zero. When calculating the new FIDE elo ratings, the elo changes are added to the old ratings and the new ratings ...
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1answer
122 views

Will my rating increase? [closed]

I just play 3 to 4 games in day(sometimes online) I am average chess player with rating 1400(rating is not fide rating. It is rating given by chess.com). Will my rating increase with time? Or I need ...
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3k views

How do you calculate your Tournament Performance Rating?

How do you calculate your Tournament Performance Rating? I can think about two different ways to answer my question: Do you know the formula for calculating your TPR (FIDE or USCF)? Can you link me ...
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1answer
93 views

What are the main tournaments in the chess world? [closed]

What are the big events that big players visit? Do every big Tournament has an effect on the players rating?
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291 views

Does rating increases in bulks or is it a steady increase?

I have been taking lessons from a coach since two months and I also played my first OTB tournament two months ago. Since then I have played around ten tournaments with an average of one or two ...