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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9 votes
3 answers
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Knowing that AlphaZero beat Stockfish 8 (28 wins, 0 losses, and 72 draws), what would AlphaZero's rating be?

I found three different questions here on SEC that asked what Stockfish 8's rating was for the match against AlphaZero, but none that asked what AlphaZero's rating should have been after (if it had ...
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3 votes
1 answer
249 views

How big a rating difference between TOP GM and a patzer would be equivalent to odds games?

How big a rating difference would be needed to justify odds games of: 1 pawn and move 2 knight 3 rook These are odds that Morphy gave to weak players. Has chess improved that much since Morphy ...
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9 votes
2 answers
1k views

What happened to the WCC?

Just found this rating list below while looking for other items. I vaguely remember hearing about WCC. What happened to them? All I find now for WCC is 'world chess championship'. Apparently they both ...
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3 votes
2 answers
274 views

What is the average speed in tournaments for USFC rapid chess ratings?

Rapid ratings cover a very wide range of time controls and bump up against regular (where games are dual rated) as well as blitz time controls. What is the average time for USCF rapid games that are ...
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15 votes
2 answers
499 views

How are online tactic exercises ratings calculated?

There are several sites that give you a tactics rating changing while you solve or fail the exercises. How do they calculate the problems rating? Do they use engines to calculate the difficulty or ...
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4 votes
1 answer
254 views

Equation for Handicap

Are there any sort of equations for how much of a handicap one should receive to make a game between two players with differing Elo ratings as balanced as possible? There might be a time equation to ...
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5 votes
3 answers
4k views

Elo rating and fide rating

I am an amatuer chess player and I want to know the difference between Elo rating and FIDE rating (for example, a 2500 Elo rating is needed for GM title).
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20 votes
3 answers
3k views

Advice for breaking Lichess's 2000 rating mark

Although I have known the rules of chess since I was little, I only actually started playing it in May or June 2019, so about 6 or 7 months ago. When I started I had a Lichess classical rating of ...
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5 votes
3 answers
805 views

How long does it take for Elo rating to reflect changes in player's strength?

Suppose a player with ELO rating X has improved (for simplicity, without playing in tournaments) and she is now actually playing at the level X+N. How many games will it typically take for her rating ...
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  • 1,656
14 votes
5 answers
7k views

Why have engines not increased top rated chess players' Elo?

The arrival of strong chess engines as Stockfish, Houdini or Rybka allow top players to deeply prepare lines in openings or to study better endgames. I would expect a rating increase of top players. ...
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4 votes
2 answers
96 views

Creating program for finding top players with respect to elo and age

I want to create a program for personal use but also maybe for publishing it on the web, in order to detect the top players with respect to elo and age. There will be two cases: A) In this case, ...
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8 votes
1 answer
608 views

FIDE rating in blitz

I played in a blitz tournament. It was an official FIDE tournament, so ratings should be calculated. I wasn't rated before that tournament. It was played over 11 rounds with a rematch so you could ...
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2 votes
5 answers
277 views

Are USCF regular ratings more accurate than quick or blitz ratings in regards to quick or blitz games?

I recently went to a USCF tournament. Although it was quick/blitz rated, regular ratings were used for the purposes of pairings and prizes. This led me to wonder: are regular ratings actually better ...
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3 votes
3 answers
274 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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3 votes
5 answers
2k views

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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4 votes
2 answers
164 views

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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4 votes
1 answer
5k views

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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  • 167
-1 votes
2 answers
322 views

Should FIDE introduce a minimum rating for arbiters? [closed]

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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4 votes
1 answer
428 views

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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27 votes
2 answers
936 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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5 votes
2 answers
1k 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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29 votes
2 answers
9k views

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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3 votes
0 answers
241 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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11 votes
3 answers
872 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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  • 111
-2 votes
2 answers
163 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 ...
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  • 402
2 votes
0 answers
78 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 ...
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  • 283
9 votes
4 answers
449 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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  • 139
5 votes
1 answer
3k 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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  • 5,468
3 votes
1 answer
117 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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0 votes
2 answers
219 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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7 votes
3 answers
1k 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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4 votes
1 answer
388 views

Should I calculate the ratings 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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6 votes
2 answers
306 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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1 vote
3 answers
176 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 ...
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4 votes
1 answer
262 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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3 votes
3 answers
1k 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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3 votes
2 answers
327 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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  • 1,809
2 votes
3 answers
1k 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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  • 2,434
2 votes
1 answer
201 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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  • 319
-3 votes
2 answers
172 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 ...
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35 votes
5 answers
9k 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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2 votes
2 answers
360 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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  • 1,258
0 votes
2 answers
337 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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  • 207
12 votes
3 answers
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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  • 3,465
12 votes
2 answers
33k 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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5 votes
1 answer
166 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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  • 77.4k
0 votes
1 answer
144 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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  • 11
4 votes
2 answers
748 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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  • 15.6k
10 votes
4 answers
3k 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 ...
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  • 1,765
0 votes
1 answer
2k 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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