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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22
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2answers
4k views

What was Arpad Elo's own Elo rating?

I've found several sources that indicate that Arpad Elo was a "master-level chess player", but it's been very difficult to find any information about what Elo's own rating would have been ...
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5answers
370 views

Does it makes sense to have a 1315 Blitz rating and a Rapid rating of 1729?

I am rated 1330 for Blitz on Lichess. I was trounced by a clearly better player who had a lower ranking of 1315 for Blitz. Their profile also shows a Rapid rating of 1729. Is it possible for these ...
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2answers
189 views

Where does Leela Zero stand (in terms of ELO / strength) when compared with other AI like Mu Zero / Alpha Zero?

I can break my puzzle down into the following: How strong is Leela Zero today in terms of rating / strength, esp when compared with Alpha Zero / Mu Zero? Does its rating get calculated as it ...
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2k views

How high of a rating do I need to play in a OTB tournament?

I have recently been playing a lot of online chess and have around a 2000 rating in rapid on Lichess (I realize the ratings are not the most accurate, but it is my only point of reference). I'm ...
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1answer
258 views

Precise skills connected with rating value

I recall a quote that went something like that: "A 1800 beats a 1500 by tactics, a 2100 a 1800 by foo, a 2400 a 2100 by bar and a 2700 a 2400 by opening(?!)". "Endgame" was in it ...
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1answer
72 views

Where can I find a description of the “old” USCF rating system (that was in use through the 1990's)?

Where can I find a description of the "old" USCF rating system - not the Harkness system, but the one after that, that was in use up until about 2001 when the "new rating system" ...
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1answer
163 views

Why is my rating not increasing on lichess.org?

I played some rated games and don't understand why my score doesn't go up. Usually, my score either goes up or goes down, depending on if I win or not. This time, it didn't even change. It is weird.
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0answers
112 views

Why reaching expert level is hard? [closed]

I was looking at the rating chart of Magnus Carlsen here's what I found: He learned chess at age of five(1995), On April 2001 his rating was 2064.Which means it took the best player in the world 6 ...
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1answer
378 views

List of female chess players by peak FIDE rating

Update/Request: The answer currently doesn't include countries and other trivia like in the original one. Please consider posting an answer like this or editing current answer to include these. ...
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3answers
480 views

Worst ELO ever in history

I have a lot of questions about ratings, which are sort of connected, but I think I better split them. This is pair 1. I googled a bit: By definition, ELO>100, and someone said (chess.com) he ...
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4answers
6k views

Are chess players getting better, given the same rating?

Chess ratings are a relative thing at a particular time, just like boxing. It is not absolute, compared to weightlifting for example, in which the records keep getting broken. How would say a 1700 ...
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3answers
484 views

What's PlayMagnus age 10 Magnus' true elo?

I do realise that a similar question might have been asked before; however, all intel about the topic that I have managed to gather to date seems to be outdated: almost everywhere I search, it is said ...
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3answers
230 views

Why does the computer give me a high accuracy score?

My rating on chess.com is of about 1077 on rapid and today when I won a game against a player with slightly lower rating the analysis results said I played with 73 accuracy according to their best ...
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1answer
76 views

Why does my ability/rating against bots vary?

I've recently started playing chess again and am training against the chess.com bots. I've been able to blaze through the lower rated bots and started to get stuck around the 1100s with having to take ...
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1answer
91 views

How relevant is historical performance for Elo rating?

How far back are results of matches relevant for Elo purposes? If a player wins a few early matches then they will earn less points for later wins that if they'd lost those early matches. In the end ...
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3answers
497 views

Historical motivation for the 1200-1800ish rating average

Although there is some variation in rating systems (in chess), most systems put the starting value and the mean of all users somewhere around 1500. Some pools are higher, some are lower, but most have ...
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2answers
305 views

Can we quantify the handicap for playing blindfolded?

Roughly how much ELO does it cost a GM or top player to play blindfolded? For instance, if a 2600-rated GM were blindfolded, against what rating of opponent would they be expected to score roughly 50%?...
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0answers
109 views

Relation between ratings for Chess960 and standard chess

Is there any relation or any attempt at discovering a relation between Chess960 ratings and standard chess ratings? This can be for GMs, for (any)M's, for pro players, or for all players on lichess/...
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5answers
5k views

Mismatch between my puzzle rating and game rating on chess.com

On Chess.com, I recently passed 2000 in the puzzle section. However, in 10 minute games, I can't reach 1600. How do I bridge that gap and increase my game score? Is 10 minutes maybe too short of a ...
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1answer
165 views

Equalizing ratings across rapid, blitz and bullet?

I've been noticing that whenever I play rapid games at my current 2050 Lichess Elo my opponents are also between 1900-2100 blitz and sometimes their bullet rating is also sufficiently equal to their ...
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3answers
2k views

Elo distribution

In some online chess platforms you can see the Elo distribution of the players. It usually has Gaussian form. Is there somewhere where you can find the distribution of the classical Fide Elo?
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1answer
132 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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4answers
4k views

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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2answers
290 views

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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1answer
79 views

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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1answer
664 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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3answers
387 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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1answer
315 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
3k 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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1answer
82 views

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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1answer
98 views

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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1answer
76 views

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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0answers
49 views

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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4answers
193 views

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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2answers
14k views

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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0answers
74 views

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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0answers
27 views

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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1answer
769 views

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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2answers
1k views

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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3answers
1k 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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2answers
397 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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3answers
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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1answer
291 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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4answers
1k views

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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1answer
93 views

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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3answers
2k views

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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1answer
211 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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2answers
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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2answers
205 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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458 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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