Questions tagged [statistics]

Questions about game statistics, e.g. the winning percentage of a "line," the probability of some event occurring in a game, or player statistics.

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1answer
127 views

Distribution of Elo ratings

Danger! Only for math buffs! As we all know, Elo is Gaussian. In theory. Except it isn't. But my question is not about that distribution. Your Elo might also list a second number: the number of ...
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0answers
32 views

Any statistics on whether queen endgames or opposite coloured bishop endgames are more drawish than rook endgames?

Quote: 'all rook endgames are drawn', 'All rook endings are drawn' or 'All rook and pawn endings are drawn.' For queen endgames, Karsten Müller even gives a way of visualising this (not quite Karsten ...
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1answer
79 views

What's the idea of 'all rook endgames are drawn' ? i think opposite coloured bishop endgames and even queen endgames are more drawish

Quote: 'all rook endgames are drawn', 'All rook endings are drawn' or 'All rook and pawn endings are drawn.' For queen endgames, Karsten Müller even gives a way of visualising this (not quite Karsten ...
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1answer
294 views
+50

On average, how many pawns are there at the start of the endgame?

Question: On average, how many pawns are there at the start of the endgame? To answer: You can choose your definition of the endgame as long as you can show a credible reference that supports your ...
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Rating system (glicko, elo, etc): is 'predict the outcome of games' the same thing as 'reduce the number of upsets'?

From Lichess page 'Chess rating systems': Which rating system is best? The purpose of rating systems is to predict the outcome of games. Therefore, they can be objectively better or worse, according ...
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127 views

Opening and endgame experts in chess

There are famous players who are called endgame experts ("opening expert" IMHO is less used), e.g. Rubinstein. Now obviously, to be a GM, you have to know a bit of all game phases, and a ...
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281 views

Ok fine, how do I answer questions like records for youngest to obtain a certain title?

A. Background: Under Mobeus Zoom's suggestion here: List of records for youngest superGMs since 1950? (or 1970 or whenever FIDE started rating people. or basically after 2700s after Fischer) (this is ...
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1answer
205 views

List of records for youngest WFMs (woman FIDE masters) since 1950 (or whenever)? [duplicate]

On Wiki, we have the List of youngest grandmasters since 1950. What about WFMs (woman FIDE masters) instead of GMs? Note 1: I really mean to ask about WFMs (females who obtain the female exclusive ...
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2answers
310 views

List of records for youngest WCMs (woman candidate masters) since 1950? [duplicate]

Re the close: If it was really a duplicate then why didn't Brian Towers♦ answer on the other post? Checkmate! On Wiki, we have the List of youngest grandmasters since 1950. What about WCMs (woman ...
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1answer
174 views

List of records for youngest female international masters since 1950? [duplicate]

Note: I really mean female IMs and not WIMs All IM version: List of records for youngest international masters since 1950? WIM version: List of records for youngest WIMs (woman international masters) ...
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1answer
120 views

List of records for the youngest FIDE masters since 1950?

Edit based on answer given by blunderchess1236 awhile ago: I'm not looking for just 1 person like who most recently attained the youngest (Alekhine Nouri). I'm asking also who held the record for ...
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1answer
144 views

List of records for youngest superWGMs since 1950?

On Wiki, we have a list for List of youngest grandmasters since 1950. What about superWGMs (any female player who has reached 2500+ or has become GM, whether or not they were actual WGMs so as to ...
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2answers
320 views

List of records for youngest superGMs since 1950? (or 1970 or whenever FIDE started rating people. or basically after 2700s after Fischer)

On Wiki, we have the List of youngest grandmasters since 1950. What about superGMs (defined anyone who has reached 2700+ peak FIDE standard) instead of GMs: where can I find a list for the youngest to ...
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1answer
169 views

List of records for youngest female grandmasters since 1950?

On Wiki, we have a list for List of youngest grandmasters since 1950. What about female GMs (really female GMs and not WGMs) instead of GMs? I guess the list ends with Judit Polgar, Koneru Humpy and ...
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2answers
2k views

Are all female grandmasters alive (as of the date of this post, 2021Sep01)?

Really female GMs and not WGMs. I notice here there's a 'deceased' list for female IMs but none for female GMs. Is it really the case that there are only 38 females awarded GM title in history and ...
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1answer
135 views

What is the mean and standard deviation for men's and then women's standard FIDE ratings for those 2000 and above?

From this answer, the unconditional means and standard deviations are Female Mean = 1505, standard deviation = 339 Male Mean = 1675, standard deviation = 346 What about the case for ratings of 2000+ ? ...
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1answer
577 views

At what age do master level players (2200+) reach their peak?

We are surprised that players like Boris Gelfand and Vishy Anand can/could still play with the best in the world in their 40's and 50's. Are we right to be surprised? On average at what age do strong ...
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165 views

What is the most number of blunders in a 2100+ game?

Obviously any move (starting at a given position) may be a blunder, see Kh3 Ra4 Nf5 - Kh1 Rf2 where both sides may miss a mate in one until kingdom come. It might be amusing to watch two engines ...
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1answer
80 views

List of female chess players by their peak FIDE rapid rating

Similar to these questions: List of female chess players by peak FIDE rating List of female chess players by peak FIDE rating with countries? List of chess players by their peak FIDE blitz rating ...
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1answer
343 views

List of chess players by their peak FIDE rapid rating

Similar to these: List of female chess players by peak FIDE rating List of female chess players by peak FIDE rating with countries? List of chess players by their peak FIDE blitz rating List of ...
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1answer
77 views

List of female chess players by their peak FIDE blitz rating

Similar to these: List of female chess players by peak FIDE rating List of female chess players by peak FIDE rating with countries? List of chess players by their peak FIDE blitz rating List of ...
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2answers
261 views

List of female chess players by peak FIDE rating with countries?

same question as here but with countries please. hopefully we can have a list as close to the original wiki page as possible. I'll start: 1 - Hungary - Judit Polgar - 2735 - 2005-07 - 1976 - N/A - ...
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1answer
335 views

List of chess players by their peak FIDE blitz rating

I've come across a list of the highest FIDE ratings ever achieved by all 2700+ players in the 2700chess.com: This shows all the players above 2700 in classical ordered by their FIDE peak rating. It ...
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1answer
229 views

When playing a two-game match, is it better to have white in the first game?

Many rapid and blitz tournaments use a multigame match system in the elimination rounds. What statistics are there on how frequently the player with White in the first game wins? Is there a ...
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203 views

The most often played chess game

Offhand, I say the Shepherd's Mate. But let us just consider "serious" tournament play. Still, the game must be rather short to be repeated extremely often. Could be a "Will they ever ...
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100 views

Number of games ever played in history?

Obviously, an exact answer can't be given, but we can't count all electrons in the universe either and physicists still gave an answer probably correct by an order of magnitude. Let's specify: Only ...
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1answer
200 views

Why do you see peaks on the elo distribution?

I was observing the elo distribution in Lichess and noticed peaks around rounded numbers elos ratings for medium to high rated players. This is consistent in Bullet, Blitz, Rapid games and not so much ...
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1answer
684 views

How many 2200+ FIDE rated players are there?

Are there any sources for the recent numbers of players rated over 2200 byFIDE?
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1answer
85 views

What are the biggest events in chess by viewership?

I realise chess viewerships have skyrocketed due to organic growth in popularity, and especially due to more people being stuck indoors in the last year. Are there statistics on how many viewers each ...
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0answers
108 views

How often do GM-level classical games end in checkmate?

I understand that top-level games mostly end in draws or resignation, and presumably occasionally running out of time. What proportion of top level tournament games (in classical time controls) ...
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3answers
284 views

How do convert/parse/extract data from a PGN into a spreadsheet/google sheet/excel file?

Sequel to this question: Live statistics chess960 from chess.com? So suppose I go to like https://api.chess.com/pub/player/gmwso/games/2020/12 or https://api.chess.com/pub/player/gmwso/games/2020/12/...
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302 views

What is the physical response to a high level chess game?

Chess is used as an example of how the body can be influenced purely by brain activity: In the middle of a chess Grand Master tournament these people are maintaining blood pressure for 6 hours' ...
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1answer
744 views

Which countries have the most GMs per capita?

This interesting site has a "World map of chess grandmasters" which looks like this: Apart from the fact that Russia is very wide (it looks like it crosses 10 time zones), it looks like ...
3
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1answer
120 views

Live statistics chess960 from chess.com?

Cross-posted stackoverflow, but nothing. Both lichess and chess.com have the feature to play the variant chess960 live. However, only lichess has a graph showing how your live chess960 rating has ...
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2answers
234 views

Reasons for losing

Wouldn't be surprise if this is a duplicate (related even more related), but: Obviously there are two main ways to lose a game: Blundering it away in a single move or be slowly crushed by a better ...
4
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1answer
646 views

List of female chess players by peak FIDE rating

Update: The answer currently doesn't include countries and other trivia like in the original one. Please consider posting an answer with at least the countries or editing current answer to include ...
6
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1answer
278 views

Winning percentage (white win/draw/black win) in chess960/9LX in 2021?

How does the winning percentage (white win/draw/black win) in chess 960 (Fischer random) compare to that of regular chess? The above was asked here: Winning percentage in chess 960. I would like to ...
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2answers
589 views

Why, in online chess, is it that the shorter the time control, the higher the world leading elo is?

I noticed on lichess.org that the shorter the time control, the higher the world-leading elo is. Is there a simple explanation for that? I also noticed that, in the meantime, the shorter the time ...
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5answers
7k 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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63 views

Percentage of decisive games decided by tactical mistakes?

In their book, The Woodpecker Method, Axel Smith and Hans Tikkanen give these percentages of decisive games decided by tactical mistakes: GMs 42% 2200-2400 44% 2000-2200 63% 1800-2000 72% They say: ...
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0answers
259 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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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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2answers
221 views

How many FIDE rated games are played per year?

I was surprised not to be able to easily find this statistic. How many FIDE rated games are played around the world each year?
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2answers
150 views

Is there a data file available (e.g. a .csv) containing every single rated game?

Question Is there a data file somewhere containing every single (FIDE) rated game? What I found out so far I see many websites with some limited database search capability, or summary statistics, but ...
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2answers
330 views

What's the oldest age at which a grandmaster played their first rated game?

Of all grandmasters past and present, what is the oldest age at which any of them started playing chess? Define started playing chess: The day that person played their first (FIDE, or equivalent) ...
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1answer
188 views

What are the percentage rates for each promotion type?

I could not find the database which has this, but I would like to know what percentage of promoted pawns ends up being a queen, rook, bishop, or knight
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5k views

Do any grandmasters win more with black than white?

Some statistics indicate white scores 52-56% - but I wonder if that differs according to playing style - e.g. perhaps strong defenders prefer the black pieces. Do any former/current grandmasters have ...
4
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3answers
977 views

Is it true that amateur players tend to choose the advance variation after 1. e4 c6 2. d4 d5?

My database shows that after 1. e4 c6 2. d4 d5, white has the following main variations: Nc3 exd5 e5 and they are equally popular among professional players. However, from my experience playing ...
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1answer
118 views

Getting wrong results in perft stats with checks and mates

The perft count works well after testing with many positions from epd files from the web Now I want to see some perft stats like this one: https://www.chessprogramming.org/Perft_Results, from the ...
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1answer
85 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 ...