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Questions tagged [rating]

A number that approximates a player's skill. The actual meaning of the number depends upon the issuing organization. Common issuers include the USCF and FIDE.

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43 views

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

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 ...
9
votes
1answer
109 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 ...
-2
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2answers
94 views

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 ...
2
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0answers
51 views

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 ...
6
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4answers
215 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 ...
2
votes
1answer
49 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 ...
2
votes
1answer
67 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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2answers
120 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 ...
2
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2answers
139 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 ...
3
votes
1answer
64 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 ...
4
votes
2answers
179 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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2answers
84 views

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 ...
4
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1answer
189 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 ...
3
votes
3answers
274 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 ...
3
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2answers
267 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?
3
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2answers
397 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 ...
1
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1answer
80 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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2answers
150 views

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 ...
23
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5answers
5k views

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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2answers
169 views

Calculation of national rating

In order to calculate effect on national rating, should it be enough to choose the relevant k koefficient (assuming this is what makes for the discrepancy between national rating and FIDE rating) and ...
0
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2answers
151 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 ...
7
votes
2answers
972 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: ...
4
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2answers
723 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 ...
4
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1answer
109 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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1answer
83 views

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
216 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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4answers
2k views

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 ...
0
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1answer
897 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?
1
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1answer
1k 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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votes
2answers
121 views

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 ...
4
votes
2answers
378 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 ...
0
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2answers
108 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 ...
4
votes
2answers
187 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 ...
4
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1answer
1k 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 ...
5
votes
1answer
266 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 ...
2
votes
1answer
206 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?
3
votes
2answers
497 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
109 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 ...
3
votes
2answers
2k 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 ...
1
vote
1answer
92 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?
0
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3answers
249 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 ...
1
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2answers
211 views

HElp! Can i still reach master level? [duplicate]

I started playing chess when i was 13, year 2009. After a year and a half i reached 1850 peek ncfp(philppines) rating, i was 14 turning 15 that time. Due to personal reasons, I stopped playing chess ...
3
votes
2answers
209 views

Potential Rating Gain if Only 20 OTB Games Per Year

Context: I'm returning to the game after more than 25 years away! I only got back into it because my 8-year old son joined his elementary school chess club. They all got accounts to chesskid.com. ...
0
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3answers
688 views

Can a player ever lose her or his rating (voluntarily)?

I am just curious. Is it possible for a rated player to quit his association with FIDE and start afresh, as an unrated player?
0
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2answers
140 views

What to do about my low initial rating?

My initial rating came out to be 1166. At the time I played the games against the rated players, which gave me this rating, I did not know much about the rating system and would often agree to draw ...
3
votes
5answers
763 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 ...
2
votes
2answers
2k views

How does Lichess rating compare to USCF? [duplicate]

Just wondering some examples of peoples' USCF rating to Lichess (classic lichess, 10 min+) I know it's hard to compare different pools of players. But I think that considering how we do polling with ...
14
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2answers
2k views

Elo loss for resign vs checkmate

Is there a difference in the amount of ELO a player loses from resigning versus being checkmated? If so - What is the difference in the calculation?
6
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1answer
244 views

Get Fide-rated without revealing your birthday?

I noticed the Fide rating list is always published with the date of birth of the player. Is registering one's actual birthdate with Fide a requirement for a Fide rating? It is a major concern for me ...
3
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1answer
168 views

Verbal description of FIDE/USCF ratings

Does anyone know of a reliable source (e.g. a knowledgeable tutor, academic surveys, GM John Doe's autobiography) that verbally describes the ability and study/training material of a variety of chess ...