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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1answer
37 views

What is the Universal Rating System (URS)?

While watching this year's 2020 Champions Showdown Chess 9LX I noticed they gave players' ratings according to the URS or Universal Rating System. Which are the characteristics of this rating system?
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Are Elo Ratings Zero-Sum?

Are Elo ratings a zero-sum system in chess? In other words, if I gain +9 points from a game, does my opponent necessarily take a -9 point loss? If so, would it make sense to say that Elo points are a ...
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Why the initial rating of FIDE is calculated that strangely?

Let suppose an unrated player plays a FIDE rated swiss tournament where its opponent's ratings are e.g. 1300,2000,2100,2200,2300 and wins all of them, then his initial rating will be 2100 according to ...
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How rankings or ratings of the players are determined before the next tournament?

My question is and I would like to know, Chess grandmasters Bobby Fischer[AMERICA}, Boris Spassky[RUSSIA], Anatoly Karpov[RUSSIA], and Garry Kasparov[Russia]played against one another in many ...
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561 views

Initial FIDE rating below floor, what happens?

I'm curious to know what happens in the following scenario: I play a Swiss tournament and meet 3 rated players, I score at least half point but do badly overall. Then I play another Swiss tournament ...
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227 views

How viable is the hippopotamus defense?

Clearly the defense is not viable in top level chess for classical time controls. Roughly at what rating is it viable to have the hippopotamus defense as your primary black defense?
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288 views

Initial FIDE rating Question

According to FIDE, if I win half of my games in my first FIDE tournament, then my rating = the average of my opponents ratings. If a tournament has 10 rounds, and I can only play the first 3 (and in ...
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1answer
2k views

Worst grandmaster by rating

https://www.chess.com/forum/view/fun-with-chess/worlds-lowest-rated-grandmaster This is a joke thread about the 'world's worst grandmaster', Panko Smoobachuk. Seeing this post, I wondered, what is the ...
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Do you get rating points if the other player just leaves an online game and loses on time?

Some sites, eg chessbase, seem to have players that won't resign but either just leave for coffee until their clock runs out, or else they wait a minute then start another game so you have to ask the ...
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East and West German Chess

Interested in chess history, I wonder if there is an accessible data set that lists all players from East and West Germany in the 80's, ideally with information like the FIDE website (name, national ...
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As we come out of lockdown, how much FIDE rated chess was played in June 2020?

I asked a similar question about chess during lockdown. Now that some countries are coming out of lockdown and chess is resuming FIDE has published data for June. NB I looked at May data and as far as ...
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How do I improve my Chess rating [duplicate]

Its been almost three and a half years since I am playing chess online on chess.com. But I never crossed my Chess rating above 1500 on chess.com. And I think that three years is enough for anyone to ...
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Absolute strength and stability of Elo

Not sure how to phrase this... I am aware that Elo measures the relative strength of players. Let's assume for this question that there is such thing as an absolute strength in chess and that players ...
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1answer
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Is there a list of approximate ELO ratings for each Stockfish level?

I want to create something that will select an appropriate Stockfish difficulty setting automatically given the player's rating. The straight Stockfish v11 that I've downloaded has 20 difficulty ...
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Need advice from class A players? [closed]

How much opening preparation does a 1800-1900(UCSF) player need and how to achieve that? Also, do you need class A tactics rating to reach class A chess ranking?
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How are ratings determined for training puzzles on lichess.org? [duplicate]

On lichess.org, how are the ratings for the tactical puzzles computed? I am trying to understand how some puzzles I find challenging are as low as the 1400s, while others that seem obvious are at ...
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What is the typical move prediction accuracy of human chess grandmasters?

I couldn't find any data about the percentage of moves that a typical human grandmaster would be able to predict in games of other human grandmasters. To clarify my definition of accuracy: The ...
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Why does the FIDE rating table go beyond 400?

The FIDE rating regulations say: 8.5 Determining the rating change for a rated player 8.51 For each game played against a rated player, determine the difference in rating between the player and his ...
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943 views

How does Elo rating gain scale with games played?

I only take two players starting out at 1500 Elo and have them play against each other with one player winning all games. Also I leave out any artificially introduced cut-offs. So the winner is ...
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378 views

How much FIDE rated chess was played in April 2020?

FIDE has just published the May 2020 rating list which brings the ratings up to date for games played in April. The rating file can be downloaded from the FIDE download page. Many countries have ...
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2k views

How did I overperform in this rapid tournament?

My bullet rating is currently 1400 and it's pretty much the only time format I play as it is quick. I figured that I wanted to think my moves more thoroughly so I played some rapid games in a Lichess ...
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213 views

The Evolution of the K-Factor

The change in Elo ratings depends, among other things, on the K-factor (or development coefficient). Current rules FIDE Rating Regulations effective from 1 July 2017 give the following values: K = ...
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Does your rating express the quality of your play regardless of time control?

For instance if I analyze a game played in blitz, move by move, between two 2600s, should I expect the moves to be of the same quality as the moves between two 2600s in classical? Or would worse play ...
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Are there any papers that highlight the problems with rating systems?

Ratings are a paradox. Mathematically they seem to dependent on other factors than ability. Yet people are obsessed with their rating as if it defines them as a person somehow. Are their any ...
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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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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