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
199 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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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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1answer
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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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4answers
75 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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7answers
6k views

Are contemporary chess players now stronger than players in the 90's or 80's?

For example, take a Class A today and Class A from the 90's. Would the contemporary Class A be stronger because of the updates of opening theory or contemporary changes in chess play?
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1answer
183 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
72 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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24 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
160 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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3answers
822 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
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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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3answers
6k views

Does elo rating have a limit?

The highest Elo rating to date is 2882, which belongs to Carlsen, while the last Elo rating of Kasparov is 2851. Could I have an Elo rating of 2950 or maybe 3000? Does the Elo rating have a limit?
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How to gauge someone's chess strength quickly?

I plan on teaching a chess class (5 classes in a sequence, each building off the previous, 1 hour each) to high schoolers, with emphasis on applying chess principles to real life. Now, it'll be ...
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2answers
361 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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2answers
400 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 ...
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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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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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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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3answers
395 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 ...
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How does the chess24 rating compare to other server ratings?

My question is how the chess24 blitz-rating compares to the rating of other servers, like ICC or the ChessBase server. And whether the chess24-rating inflated over the last few month. The reason for ...
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3answers
4k views

How to calculate initial Elo rating?

I completed my first FIDE rated tournament with 0.5/3 points against Elo rated players. This weekend I'm going to another tournament, where I'll probably meet other 2 Elo rated opponents, completing ...
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3answers
5k 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 ...
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1answer
448 views

FIDE rating: how games are rated if a new list is published while playing a tournament

Does anybody knows how games are rated (FIDE rating) when a new list is published while playing a tournament? Let's say I'm playing a tournament starting at April and ending at June. Starting ratings ...
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12answers
60k views

Most effective way to achieve a 2000+ rating in one year, starting as a 1600?

I currently play at around a 1600 level, and have stagnated in terms of rating improvements for quite some time. I have always played chess recreationally, occasionally doing tactics puzzles here ...
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4answers
1k views

Does my online chess rating reflect my ELO rating?

I play a fair amount of chess online, on a chess site that updates my chess rating based on my performance using, I believe, the ELO system. I do not play in rated, "real" tournaments that often, and ...
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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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What's the correlation between FIDE rating and online rating?

I'm wondering if there's any way to get an approximation of my FIDE rating by using one of my online ratings, say ICC or chess.com rating? If not, is there, at least, a correlation between how well ...
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1answer
81 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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5k 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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4answers
947 views

Is it possible to improve the Elo rating system like this?

Since all chess player’s ratings are between 800 and 2900, why don’t we make a new rating defined like this: New rating = (Old rating – 800) / 2.2 So that all chess player’s ratings would be between ...
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3answers
568 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 ...
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3answers
1k 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
239 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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1answer
129 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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260 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 ...
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4answers
747 views

Weighted adjustment for relative Elo

I was looking at my biggest upsets the other day and realized that the result was unsatisfying. Most of them were 500-600 point upsets when I was still really low rated (i.e. 800 beating a 1300), ...
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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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87 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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427 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 ...
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2answers
146 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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2answers
420 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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1answer
333 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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1answer
74 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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3answers
3k 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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1answer
1k 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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6answers
1k 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 ...
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551 views

Illegal swiss pairings?

There is a series of USCF scholastic tournaments run by a certain group of schools that accepts outside players as well. I've suspected for some time that they intentionally manipulate their swiss ...
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4answers
141 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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5answers
3k views

What are some good tactical opening moves?

I have been playing chess for about an year now. But, I am unable to get past 1300 USCF rating. There are three phases in a chess game: opening phase, middle-game phase and end-game phase. When I get ...
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3answers
302 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 ...

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