Questions tagged [elo]

Use when the question is ABOUT the Elo rating system not when it mentions Elo

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6
votes
2answers
1k views

Could you estimate Napoleon's (or other historic persons) Elo on the base of his known games?

I wonder if there is a possibility to calculate/estimate the Elo rating Napoleon would have today by analysing his known games? Is it possible at all to calculate an Elo rating only with some ...
2
votes
2answers
844 views

What would approximately be the ICCF rating of a GM with no external help and of a computer with no human judgment?

I need some players who play at the ICCF (International Correspondence Chess Federation) to answer this question. What would approximately be the ICCF Elo rating of the two following players? Player ...
3
votes
2answers
2k views

Can I become a 2100+ rated player in 2 years if I train for 15 hours a day?

I’m 15 years old, and my FIDE rating is 1674. I’ve been playing chess since I was one and half years old. If I train, say, something like 15 hours a day and play in 20 tournaments, is it possbile for ...
5
votes
2answers
850 views

What are the differences between the major online chess sites that allow to play?

I'm thinking of dedicating some of my free time to learn and play chess in a systematic and serious way and try to participate in a non-Internet tournament in a few months. I will take this activity ...
2
votes
3answers
7k views

Starting elo rating at chess.com

I am confused about the starting elo rating of new members at chess.com. Most of them start at 1200 but some of them have 800, 1000, 1400, 1600 or even 1800. How is it decided what is the initial ...
2
votes
1answer
454 views

Elo rating of the best player from the 19th century, if he played today?

Take the best player from the 19th century, at his prime, and imagine he started playing tournaments today. He can't learn new stuff. What Elo would he achieve?
3
votes
0answers
206 views

What is approximately the Elo rating of an engine which selects its moves randomly? [duplicate]

An engine which, in a given position, finds all the possible legal moves, and then selects one of them randomly (each move has the same probability of being chosen) and plays it on the board. Its ...
4
votes
2answers
633 views

Expected score in my first FIDE tournament

Going to play my first international tournament next week. As this is my first I do not have a FIDE ELO (I have national rating however). How will my games be rated and how is my expected score for ...
3
votes
1answer
191 views

Ranking of Baadur Jobava

I wanted to know the ranking of Baadur Jobava after his disastrous tournament in Tata Steel. But the only updated ranking list I found got to 2700 Elo and Jobava seems to be below this mark now. ...
23
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7answers
46k views

How do FIDE rated players perform on lichess?

I have been playing on lichess for a while and it strikes me how low ratings are compared to other rating systems. This is not to say that players are weaker, I have quite the opposite feeling, but ...
2
votes
1answer
740 views

How would you figure out someone's Elo rating from a single game of chess?

I'm basically fishing for suggestions here... there is an AI contest to figure out a person's rating from a single game. The contest's description mentions Ken Regan's approach that makes use of ...
5
votes
3answers
8k views

Stockfish ELO vs search depth

Could Stockfish beat Magnus Carlsen if its moves were calculated with the UCI command "go depth 16"? If not, how can I find the depth "d" at which Stockfish's strength surpasses top GMs? We assume ...
3
votes
1answer
357 views

What is the maximum Elo rating that Magnus Carlsen could have if he loses the 2014 WCC to Anand?

What is the maximum Elo rating that Magnus Carlsen could have if he loses the World Chess Championship 2014 to Anand? Would this result from a 6.5-5.5 result or would the relative rating change mean ...
7
votes
2answers
5k views

How does a chess engine mimic an Elo rating

I am a fairly new chess player (say 1400) and I would like to play against Stockfish and win some of the time. If I change the strength to 1400 then what does the algorithm actually do ? Does it make ...
1
vote
2answers
881 views

Evaluating Elo rating on a per move basis

I've been a Chess.com user for a little over 3 years now. I play EVERY day, usually have anywhere from 10 to 50 games going on any single day. Since I've started, my rating has only gone up about 150 ...
2
votes
3answers
1k views

Why the ratings used for different time controls are different?

The FIDE assigns a player not one but three different ratings: For classical games featuring long time controls, that is, 90 minutes for the first 40 moves + 30 minutes for the rest of the game + 30 ...
11
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6answers
2k views

What would be the elo of a computer program that plays at random?

What would be the Elo of a computer program that plays random moves? For the sake of simplicity, assume that he never asks for a draw or resigns and never accepts a draw offer.
4
votes
2answers
447 views

How much worse would I play if I played blindfolded?

Suppose I played a chess game with 60 minutes on both side. I play blindfolded while my opponent does not. Assuming that my rating is 2000 fide, what rating would my opponent have to be so that the ...
7
votes
2answers
1k views

What is the Elo of a player who is half as good as another player?

You often hear players refer to others as half as good as me, while they have the same Elo. Is there a formula to measure this? It must take in account that being half as good as Carlsen, for example, ...
2
votes
1answer
65 views

On rapid /Armageddon tiebreakers

Do these playoffs count as official matches? So do you lose win ELO in playing rapid tiebreakers? Also in blitz playoffs, such as the one in Norway Chess 2014, do they count towards official rating?
6
votes
2answers
1k views

What are the common mistakes make by chess engines at ELO range 1500 - 1800?

I'm a software developer and occasional chess player at elo rating 1500. Chess engines of different level play different type of games with some mistakes according to that given level. I'm ...
7
votes
5answers
2k views

How to update Elo rating?

I'm building a chess app which will have a Elo rating system. Would it be more appropriate to update player's rating based on their rating at the beginning of the game, or their rating at the end of ...
3
votes
4answers
7k views

Chess engine with an ELO of less than 1800

I am looking for an UCI compatible engine with an ELO of less than 1800. Not a version of Houdini or Stockfish with an ELO of 1800. I want a engine with a real ELO rating of 1800 or less. If you can ...
9
votes
3answers
2k views

Is FIDE president Kirsan Ilyumzhinov a good chess player? What's his Elo rating?

On this page it says he is not rated: http://ratings.fide.com/card.phtml?event=34123811 I could only find one game featuring Ilyumzhinov, in which he played a 2300 Elo player and lost: http://www....
3
votes
3answers
276 views

How large can a rating difference become before either player realizes it's not worth engaging in a game?

I think the relationship changes as rankings increase. For example, players with ratings lower than 1000 might be able to play all other players in that range and still enjoy themselves, but if a sub-...
11
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1answer
3k views

In the USA, if you achieve a USCF rating of 2200 and gain the National Master title, what happens if your rating then goes below 2200?

Is the "National Master" title awarded for your entire life? Or do you lose the title if your rating goes below 2200? I've heard that to get the title of National Master for your entire life you have ...
1
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2answers
2k views

For long OTB games, what is the percentage of players who have a rating which is below X FIDE Elo?

I am looking for statistics on the FIDE Elo of chess players. I would like to know what is the percentage of players who have a rating which is: Below 1000 Elo Below 800 Elo Below 600 Elo Below 400 ...
4
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4answers
2k views

Is there a software to measure a player's strength based on a game?

I flicked through some papers that described how one can obtain an ELO estimate based on a game. (Basically we were comparing players' moves to the best moves suggested by a strong chess engine. My ...
-3
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1answer
326 views

How to get a license to have an Elo rating in USA [duplicate]

Which link should I follow to get a license in order to have an Elo rating in the USA?
0
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4answers
903 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 ...
13
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3answers
5k views

Is it theoretically possible for Carlsen to reach Elo 3000?

Magnus Carlsen just reached a rating of 2889.2 today. Considering the way that Elo works, inflation and deflation and relative strength of Carlsen, I was wondering whether it is theoretically possible ...
7
votes
4answers
3k views

What would be the Elo rating of a computer which plays all optimal moves?

What would be the Elo rating of a computer which plays all optimal moves? By playing all optimal moves, I mean that it always wins if possible, or else draws if that is the best result possible.
3
votes
1answer
243 views

Do people who handle blindfolded chess play at reasonably the same strength given enough time to think?

If time is not a problem, can someone who is playing blindfolded chess play with (at least) the same strength than normal chess? I have heard some people that mastered blindfolded can even play ...
4
votes
7answers
2k views

How well does Elo rating estimate a player's strength?

Edit (3 March 2014): Proposal: strength is the real and rating is the model that estimates it. Question: How well does Elo rating estimate a player's strength? Bonus question: What happens if you ...
2
votes
1answer
130 views

Elo points after game completion

When playing an opponent and winning, are the points taken from the opponent's Elo at the beginning of the game or end of the game? For example, I may play someone who begins at 1900 and is at 1600 ...
2
votes
1answer
3k views

Conversion of Shredder elo rating to FIDE elo rating?

Can anyone provide a simple formula to convert the elo rating provided by the chess program Shredder to actual FIDE rating. I am only looking for an approximate formula, maybe something like: ...
4
votes
1answer
2k views

Can you estimate a player's Elo rating using tests?

So I wonder if there are specific positional/tactical tests for every rating range, so that in the end the general rating of a player can be decided prior to competition.
1
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3answers
4k views

FICS rating vs FIDE Elo

I know that is hard to establish an exact equivalent, but I was wondering what is the factor P in this equation: FICS_BLITZ_ELO * P = FIDE_ELO following personal experience. I mean, if you use to play ...
3
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2answers
1k views

How can I find the gained points per game?

In another post it was written that for games played during the 2013 World Championship match, Carlsen gained 3.7 points if he wins, Anand gained 6.3 points if he wins, and that in a draw Carlsen lost ...
2
votes
1answer
2k views

What K factor should be used if two players are in different K factor brackets?

Apparently, when calculating a player's USCF rating difference after a win or loss, the K factor that is used is based on the player's rating. Now, I was always under the impression that two players ...
7
votes
2answers
728 views

Why has Carlsen's Elo not changed?

Just looking up Carlsen's Elo and it is still 2870. I know his next goal is to reach 2900. Did the 3 wins in the world chess championship simply not give him any rating points, or does FIDE take a ...
8
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5answers
7k views

How to automatically evaluate a player's performance in a game?

Suppose I have a completed game. I don't have Elo ratings of the players. My purpose is to evaluate a player's performance in the game based solely on his moves. Can this can be done automatically ...
3
votes
5answers
3k views

How to check Elo?

I am an amateur player and from time to time I like to play chess. Is it good to start playing against a computer and try to find an Elo setting where the amount of wins and losses I score is roughly ...
7
votes
2answers
736 views

Rating calculations for Anand-Carlsen world championship

I have some interesting questions that have to do with the rating changes and calculations for the Anand-Carlsen world championship. First, some preliminary information: Carlsen's live rating: 2870,...
5
votes
2answers
714 views

Comparing ELO ratings between different countries

I've noticed (empirically) that American players tend to be weaker than Israeli players with comparable non-international ratings. Is there a tool for converting one country's Elo rating to that of ...
5
votes
2answers
800 views

Deciding on an n-variable for an Elo rating system

I have recently been looking into the mathematics behind the Elo rating system and its application to areas other than chess. I can understand almost all of it but I'm having a problem finding out the ...
6
votes
1answer
974 views

How high is the level of professional blitz tournaments?

A GM has an elo of at least 2500, and Magnus Carlsen has an elo of almost 2900, so I think you can safely say that most games between grandmasters at a level of 2400-3000 elo. This is obviously very ...
19
votes
9answers
13k views

Is there any software or web service for club-level Elo ratings?

Is there any software (or web-based service) that allows you to keep track of local, club-level Elo ratings? These ratings would not have any connection with official Elo ratings, it would be just ...
17
votes
1answer
19k views

What does ELO stand for?

What does the acronym ELO stand for in the context of chess, as in the ELO rating system?
6
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4answers
705 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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