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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How to calculate FIDE's Perfect Tournament Performance (PTP)?

How to calculate FIDE's PTP? The PTP is defined in https://handbook.fide.com/chapter/TieBreakRegulations042024 as: This is a whole number corresponding to the lowest rating that a participant should ...
clp's user avatar
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Difficulty of problems for different rating levels

For club players, it is pretty well-known that certain types of problems are harder than others. Of course, mate in 4 is usually harder than mate in 1, but I am talking more about things like the ...
Peter Flom's user avatar
1 vote
1 answer
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Which FIDE ratings correspond to the different Stockfish levels at 5+3?

Lichess has a Play With The Computer option on its main site, which offers Stockfish levels 1 through 8. What would their FIDE ELOs be with time control set to 5+3? (Some people on Lichess have FIDE ...
MWB's user avatar
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1 answer
112 views

USCF rating floor exploitation

If I understand the Elo system correctly, the outcome of a game produces a zero-sum change in ratings between the two players. But in the case of when the losing player is at his floor, new rating ...
Duke Leto's user avatar
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5 votes
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2k views

What Distinguishes Supergrandmasters from Grandmasters in Chess?

I have been following professional chess for a while and often come across terms like "grandmaster" and "super grandmaster." While I understand that both are titles indicating a ...
Iman Mohammadi's user avatar
1 vote
2 answers
108 views

Consequences of Missing a Single Game in a Rated Chess Tournament

I am participating in a rated chess tournament that spans multiple rounds, and I have a specific query regarding attendance. Suppose I have played the first 9 rounds of the tournament, but due to ...
Iman Mohammadi's user avatar
1 vote
1 answer
84 views

Can Winning a Game in a First Rated Tournament Result in a Lower Rating than Not Playing?

I'm curious about a specific scenario in chess rating systems, particularly for a player attending their first rated tournament. Is it possible that for an unrated player, winning a game in their ...
Iman Mohammadi's user avatar
-1 votes
1 answer
76 views

Is There a Limit on the Number of Rated Tournaments a Chess Player Can Attend in a Month?

I'm an enthusiastic chess player looking to participate in more rated tournaments to improve my ranking and gain experience. However, I'm curious if there's any sort of limitation on the number of ...
Iman Mohammadi's user avatar
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How to Correct Incorrect Birth Year in My FIDE Profile?

I recently discovered that my FIDE (International Chess Federation) profile lists an incorrect birth year. My actual rating from years ago was 1450, but the birth year on the site is wrong. Here's my ...
Iman Mohammadi's user avatar
9 votes
2 answers
3k views

Returning to Chess Tournaments: Does My Old FIDE Rating Still Apply?

Years ago, I was an active chess player with a rating of 1450. I plan to return to the scene by participating in an official tournament. My question is, will my previous rating be retained or reset ...
Iman Mohammadi's user avatar
7 votes
1 answer
177 views

Which federation would a cruise ship FIDE rated tournament be rated under?

I know bridge tournaments are a big thing on cruise ships. I think I've seen adverts for a chess tournament on a cruise ship several years ago but can't remember the details or find anything online. ...
Brian Towers's user avatar
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What would cause FIDE to refuse to rate a tournament which had been correctly registered for rating?

According to this statement from FIDE today: Today, on December 18, the mini-matches featuring GM Alireza Firouzja (Elo 2750) began in Chartres, France - his hometown. This seven-game tournament pits ...
Brian Towers's user avatar
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178 views

How does Chess.com calculate puzzle rating?

How does chess.com calculate puzzle rating? I am curious because today, I managed to gain rating while incorrectly solving a puzzle. Could someone help me out? (Also on puzzles that are already rated, ...
MrChessR's user avatar
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6 votes
2 answers
2k views

Does Fide/Elo rating fade over time?

Let's imagine I am a super genius, and I get a ELO ranking of 3000. And then suddenly I stop playing chess, what happens to my rating then over time? Does it slowly decrease by NOT playing? This is ...
user36003's user avatar
4 votes
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170 views

For daily games, will the order of resignation affect the rating?

Say a player with a daily rating of 1500 is playing three daily games at chess.com. His opponents' ratings are 1300, 1500 and 1700 respectively. This player has losing positions in all three games but ...
Zuriel's user avatar
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Rating decreased suddenly without reason, FIDE rating displayed wrongly in the website can anyone have such Problems

My son's rating opened when he played international match during August 2023. The rating was displayed in FIDE website on the last date of August, and it was 1156. Later on September he played another ...
Bio's user avatar
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2 votes
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My FIDE Initial Rating Calculation Problem

I’m working on path to get my initial FIDE rating. I joined 8 local FIDE rated tournaments with result as follow. Rating = Result Rapid Ratings November 2022 1083 = 0 Rapid Ratings March 2023 1142 =...
Mr_Sha's user avatar
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2 votes
1 answer
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Question on FIDE Rating List Submission

I am playing in a tournament on the 19th-20th of this month and I have a question regarding FIDE rating change for the end of the month when the new list is published. I have done very well in some ...
Alex R's user avatar
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3 votes
2 answers
451 views

Why is Leela Chess Zero rated low on CCRL leaderboards?

Lc0 routinely makes it far in the Top Chess Engine Championship (TCEC). Latest, it defeated Komodo Dragon and nearly tied Stockfish: Yet, we see on CCRL 40/15, Lc0 is ranked #32, 159 ELO behind ...
OverLordGoldDragon's user avatar
7 votes
1 answer
3k views

Wrong ELO calculation

My daughter is a chess player. My concern is about her FIDE rating calculation in the August 2023 rating list. My daughter is Huseynova Lala Fide İD 13431781. She played in 2 tournaments, the Paracin ...
Emiliya Asgarova's user avatar
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1 answer
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What is the exact difference between <1500 and >1500?

I just finished a video series on imbalances, and I was wondering, why doesn't anyone talk about this? I'm 1440 blitz on lichess and 1373 on chess.com(peak 1391). Based on the video I just watched ...
Jason K.'s user avatar
10 votes
1 answer
2k views

What are FIDE really hoping to achieve by the proposed rating changes from January 2024?

FIDE have published a new article: FIDE seeks public discussion about proposed rating changes. They say: In the past decade, certain innovations have caused rating deflation, a concern that has been ...
Brian Towers's user avatar
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2 votes
1 answer
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Fastest from a complete beginner to FIDE 2200?

There are pictures of Reshevsky playing simuls at a very young age -- I think there is some controversy over his exact age since the younger he was supposed to be, the more interesting. He also, even ...
releseabe's user avatar
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8 votes
2 answers
2k views

I can play the London system exclusively up to what rating?

There are many GMs who sometimes play the London system, but none of them play it exclusively. By "exclusively" I mean play it in over 99% of my games when I'm White, I mean adopting the ...
Fate's user avatar
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-2 votes
1 answer
196 views

What does FIDE rating 1800 entail?

I have a classical rating of around 2000 on Lichess. I’m aware that FIDE Classical time control is much longer than Lichess classical, so I just made it as some kind of reference point. I’m mainly ...
hedgehog0's user avatar
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1 answer
137 views

How does a player's fide rating change calculated for previous month's rating even in the next month

This is a follow-up question to this asked some time back to which I didn't quite understand the given answer. I'll take an example A certain player had rating 2422 on Sep 2022 according to the chart ...
cmgchess's user avatar
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2 votes
1 answer
66 views

How are FIDE rating changes calculated for a tournament across rating periods?

If I play a FIDE-rated tournament with games from the April 30th to May 2nd, will the ELO changes be calculated using my April rating, my May rating, or April in April and May in May?
Anna's user avatar
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2 votes
2 answers
665 views

How many games would Magnus Carlsen need to win to get an ELO of 3000?

For the purposes of this question, assume that he wins every game. Go according to his current schedule. Assume the opponents keep their current rating. If you run out of schedule, assume the rating ...
Starship - On Strike's user avatar
4 votes
1 answer
934 views

Who are the top 10 youngest players to reach a FIDE standard rating of 2200?

In age order of achieving the rating, who are the 10 youngest players to reach 2200 standard FIDE rating? Prag and Karjakin obviously feature, but who else?
Brian Towers's user avatar
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3 votes
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325 views

Can my K-factor change in the middle of the month?

So, at this point, I have played 25 FIDE-rated games, and I expect to have played the full 30 games by the end of the month. According to the FIDE handbook, this means my K-factor will be reduced from ...
Max's user avatar
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1 answer
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Two different "accuracies"...why?

Ok, I know it's probably not impressive to most, but I'm on my way to a 1000 rating on chess.com. I'm guessing it's because of different engine strengths or something. I recently played the following ...
M1976's user avatar
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4 votes
1 answer
183 views

How does the average standard FIDE rating vary by age and sex?

In my answer to this question regarding requirements for female titles I quoted the mean and standard deviation for male and female ratings for standard chess in the then current FIDE rating list. ...
Brian Towers's user avatar
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1 vote
1 answer
167 views

Chesscom's new policy allows users to choose starting rating - Is this actually harmful to the rating system?

For simplicity, let's focus on just 1 time control. In chess.com: I've previously reached a peak rating of 1360 under a starting rating of 1200. Then I stopped playing chess on chess.com for awhile (e....
BCLC's user avatar
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2 votes
2 answers
386 views

Farming: Is it unethical to gain rating by playing against only weaker players?

I like to win games, and I like to gain rating. I want to do this as much as possible without breaking any of the explicit rules. So a fortiori no engines or external assistance and no creating ...
BCLC's user avatar
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-2 votes
1 answer
343 views

Farming: Prevent reaching a certain rating without having beaten/drawn someone of that rating (up to a point of course)?

Context: In other online games like csgo and valorant, it's extremely unlikely to reach a certain rank without having beaten (or drawn with) someone of that rank. I guess this is largely because you ...
BCLC's user avatar
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0 votes
2 answers
393 views

Chesscom's new policy allows users to choose starting rating - Benefits?

For simplicity, let's focus on just 1 time control. In chess.com: I've previously reached a peak rating of 1360 under a starting rating of 1200. Then I stopped playing chess on chess.com for awhile (e....
BCLC's user avatar
  • 1,817
-2 votes
1 answer
334 views

Why wouldn't Magnus Carlsen just farm rating points by playing weak tournaments to reach 2900 kinda like what Igors Rausis did? [duplicate]

Edit re close votes for opinion-based: I edited question from don't/didn't to wouldn't. So now it's hypothetical for any player who happens to to have a peak rating of 2800+. Voting this to be ...
BCLC's user avatar
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7 votes
3 answers
223 views

Could you raise your score arbitarily high by only playing against much weaker opponents?

Obviously the community would accept or acknowledge such a hack ... but mathematically would it work, or does the Elo system have something to prevent this? My impression is that, very roughly ...
Brondahl's user avatar
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0 votes
2 answers
297 views

Is your actual Elo rank integer-based or decimal-based?

I'm sure that the published rankings are reported rounded to the nearest integer! But for the purposes of the calculation of the next rankings are the Elo ranks of GMs considered to actually be those ...
Brondahl's user avatar
  • 585
4 votes
1 answer
250 views

Is it safe to read a chess book whose author's rating is 1319?

I was interested in starting to read David Rudel's book Zuke 'Em-The Colle Zukertort Revolutionized but I found that the author's rating is 1319. Should I avoid reading the book since his rating is ...
Zuriel's user avatar
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4 votes
1 answer
135 views

Rated Correspondence Chess for a French Federation Member

As a member of the French chess federation, I am somewhat disheartened to see that the only way to play for an official rating is on ICCF. I do not wish to play on ICCF as I dislike the use of engines ...
Owen Rees's user avatar
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6 votes
1 answer
1k views

What are the + (plus) and - (minus) and ? (question mark) in Lichess near elo?

What does the +58 mean here? How does a player with higher elo get +58 for beating me with white?
Evan Carroll's user avatar
5 votes
1 answer
302 views

What is going on with FIDE's latest rapid and blitz ratings? Some players are more than 500 points higher in one month!

It's the last day of September and the provisional rating list for October has been released. There are some very strange ratings changes in that ratings list. Sri Lankan IM LMST De Silva played no ...
Brian Towers's user avatar
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10 votes
2 answers
2k views

Do you lose/gain rating if you withdraw in the middle of an OTB tournament?

Magnus just withdrew from the Sinquefield Cup. Does that affect his rating at the end of the tournament? Will he gain or lose rating based on at the time he left the tournament in the next fide update?...
cmgchess's user avatar
  • 2,348
4 votes
3 answers
436 views

How do you find the highest-rated win of a certain player?

I'm looking for a tool where I can input a name (e.g. Hans Niemann, Levy Rozman, Eric Rosen etc.) and it will tell me the highest rated player they beat in chess (FIDE rated games). I appreciate any ...
fartgeek's user avatar
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6 votes
1 answer
559 views

How rating changes happen for tournaments starting near the end of the month?

For simplicity I will try to explain my question with a real example. The 28th Abu Dhabi International Chess Festival - Masters was held from 2022/08/17 - 2022/08/25 and therefore the ratings changes ...
cmgchess's user avatar
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5 votes
1 answer
360 views

What is the difference between a good player and an average player? [closed]

I have been playing chess for a while now and have played many national level tournaments as well. But I don't know if I know clearly or not what is a difference between a good player and an average ...
Bitthal Maheshwari's user avatar
1 vote
1 answer
203 views

What does the "GMS" abbreviation mean here?

I was wondered what the abbrevation meant here. https://ratings.fide.com/profile/2027895/chart "Period RTNG GMS RAPID RTNG RAPID GMS BLITZ RTNG BLITZ GMS" From the context it seems a ...
blademan9999's user avatar
5 votes
3 answers
1k views

Are cyborg (human+computer) players really better than the best chess engines?

I saw this rating score chart recently: Is it true that cyborg chess players are (that much) better than the best chess programs by themselves?
2080's user avatar
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9 votes
2 answers
1k views

What Elo rating does The Chessmaster 2000 have?

A recent agadmator video pitted The Chessmaster (NES) against Stockfish 14 NNUE. What is more impressive to me is that this chess engine, released originally in 1986 and written by David Kittinger in ...
qwr's user avatar
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