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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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2answers
18 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 ...
1
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2answers
112 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 ...
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2answers
109 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
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2answers
944 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
votes
2answers
118 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
votes
1answer
88 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
50 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.
1
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1answer
98 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 ...
8
votes
3answers
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
535 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?
2
votes
0answers
523 views

What rating system does the Play Magnus app use?

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 ...
-3
votes
2answers
112 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 ...
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2answers
78 views

How to calculate the FIDE Percentage Expectancy Table

Source FIDE Handbook "Rating Regulations effective from 1 July 2017". table 8.1b
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2answers
84 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 ...
5
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2answers
134 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 ...
1
vote
0answers
82 views

What was the first Elo rating? [duplicate]

It looks like all players are unrated by default (after registration). Player must play in some competition for rating. But what was the first Elo? I have tried to calculate initial rating with zero ...
4
votes
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
191 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
146 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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0answers
20 views

Improving Blindfold chess [duplicate]

It is said that: playing blindfold chess is a good way to improve a player's chess rating and positional understanding! However every time I try to play this way I have many apparent mistakes and even ...
3
votes
1answer
331 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 ...
-2
votes
1answer
71 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
873 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
83 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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3answers
147 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
vote
2answers
148 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 ...
4
votes
2answers
153 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. ...
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3answers
397 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?
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2answers
124 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
581 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 ...
9
votes
2answers
1k 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?
7
votes
1answer
215 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
votes
1answer
135 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 ...
2
votes
1answer
191 views

FIDE norm chance expectation calculation question

What is the expected probability that someone rated 2150 will have a performance rating of 2450 over a 9 round tournament and earn an IM norm?
4
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2answers
131 views

Difficulty of attaining USCF rating in different states.

USCF is the chess federation for all of the United States. My question is if there is difference in a rating given in one state and another. For example, is a 1900 rated player in California on ...
0
votes
1answer
2k views

Huge difference between elometer.net approximation and other rating [closed]

I have a chess.com 3-days-per-move rating of ~1400 and recently I played someone offline with a national ELO rating of ~1530 which was a surprisingly equal game (even according to the computer) until ...
10
votes
4answers
2k views

Does it make sense to use an online ELO-rating-test for a beginner as a monthly test tool in order to see my progress?

I'm almost a beginner in the chess world who at the moment only plays online and watch various chess lectures on youtube. I'm thinking about using http://www.elometer.net/ on a monthly basis in ...
3
votes
2answers
867 views

How do the best centaurs compare to the best computers?

Do human-machine combinations still beat the best computer chess players, or have computer players gotten good enough to beat even the best computer-human duos?
1
vote
1answer
370 views

How do I get my FIDE percentile?

How do I get the percentile rating? This is the rank: World (all players): 97112 World (active players): 45540 How many players are there in the world that are members of FIDE?
1
vote
1answer
85 views

1998 USCF Chess Rankings

Is there a place to look up rankings of USCF players for a previous year? Specifically, I would like to know who was #3 in the USCF in 1998 (for reasons not relevant to the question) - but figured a ...
1
vote
2answers
96 views

How is a player rated who has similar results against a wide range of players?

There is a player I know, whom I would guess to be somewhere between 1600-1800 in strength (call it 1700) who has an unusual profile. He's a defensive player who's good enough to beat players 1500 ...
6
votes
2answers
228 views

Bughouse rating formula

Is there rating formula like ELO but for bughouse chess?
-2
votes
5answers
983 views

Is it too late to be a chess grandmaster at age 14?

I'm 14 and I started playing chess from 7 or 8 years ago, but now, I didn't think about being a grandmaster. So what should I do? Should I quit?
4
votes
3answers
1k views

How do you calculate elo?

I am starting a chess club at my school, and I want to create a Python program to calculate and store Elo ratings for each player. I am confident I can program it, but I just need to know: How do you ...
4
votes
2answers
2k views

Chess.com rating vs FIDE rating [duplicate]

I've been playing on chess.com standard time (not blitz) for a while with a rating of around 1670, but my FIDE rating is still around 1600, still growing. Is there an actual conversion available for ...
4
votes
2answers
630 views

What is the current highest rated chess engine?

http://www.computerchess.org.uk/ccrl/4040/ - Indicates that it is Komodo 10 but I am not completely sure this is up to date.
1
vote
1answer
370 views

What's a really good tactic trainer rating on chess.com for a Candidate Master?

I'm currently a Class B with a TT rating of 2100. I would like to aim to become a 2100 with norm of Candidate Master. What tactic rating does a CM usually have? How strong are Expert class chess ...
1
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2answers
118 views

Bullet rating fluctuations

I play on chess.com and I noticed that at some times I am getting beaten by 1700 pretty easily but other times I can beat 1900 with almost no effort. I broke my record and passed 2000 in bullet ...
6
votes
2answers
198 views

Ranking systems that take into account the size of the victory

I run competitions, not in chess, but my question relates to chess Ranking systems, and will give an example of the issue I face. Game 1: Alice scores 5, Bob 4, Chris 3. I use the glicko-2 and elo ...