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https://github.com/jgravier/chessplayers
Data collection of rating and ranking of chess players over time
https://github.com/jgravier/chessplayers
chess-database elo-rating playerstats
Last synced: 5 days ago
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Data collection of rating and ranking of chess players over time
- Host: GitHub
- URL: https://github.com/jgravier/chessplayers
- Owner: JGravier
- License: other
- Created: 2023-01-24T12:23:18.000Z (almost 2 years ago)
- Default Branch: main
- Last Pushed: 2024-03-23T11:50:33.000Z (10 months ago)
- Last Synced: 2024-03-23T12:49:39.424Z (10 months ago)
- Topics: chess-database, elo-rating, playerstats
- Language: R
- Homepage:
- Size: 6.12 MB
- Stars: 1
- Watchers: 3
- Forks: 0
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
Awesome Lists containing this project
README
### Chess players rating and ranking
[](http://creativecommons.org/licenses/by/4.0/)
#### Objectives
This repo aims to compile different datasets related to chess players’
ratings and rankings over time. The data are extracted from several
sources:
1. since 1851 to September 2001 (annual, biannual, quarterly, monthly
and hebdo snapshots): scraping [chessmetrics old
website](http://www.chessmetrics.com/cm/OldIndex.html) created by
[Jeff Sonas](https://en.wikipedia.org/wiki/Jeff_Sonas). Rate
calculation is
[chessmetrics](https://en.wikipedia.org/wiki/Chessmetrics). Output
is stored as .csv in [csv
file](https://github.com/JGravier/chessplayers/tree/main/csv).
2. since September 2001 to December 2004 (monthly snapshots): scraping
[chessmetrics new
website](http://www.chessmetrics.com/cm/CM2/Introduction.asp?Params=199510SSSSS3S000000000000111000000000000010100)
created by [Jeff Sonas](https://en.wikipedia.org/wiki/Jeff_Sonas).
Rate calculation is
[chessmetrics](https://en.wikipedia.org/wiki/Chessmetrics). Output
is stored as .csv in [csv
file](https://github.com/JGravier/chessplayers/tree/main/csv).
3. since January 2001 to December 2019 (quarterly and monthly
snapshots): [fork](https://github.com/JGravier/FIDE) from [FIDE Data
Pull](https://github.com/anujdahiya24/FIDE) created by Anuj Dahiya
in 2022 and based on International Chess Federation rates (FIDE).
Rate calculation is [Elo rating
system](https://en.wikipedia.org/wiki/Elo_rating_system). File
output compilations of chess players’s standard ratings in .csv is
compiled as .parquet format
[compilationcsv.R](https://github.com/JGravier/FIDE/blob/main/compilationcsv.R)
file (output .parquet is bigger than 500Mo and not stored on git).
#### Scraping infos for 1851-2001
Selection of second dataframe in page list, adding date of list and
ranking
as 1, 2, 3, …, n from rating of each specific date. Example: in
[December 31, 1851](http://www.chessmetrics.com/cm/DL/DL2.htm), scraping
dataframe from CSS selector:
body > font:nth-child(1) > table:nth-child(1) > tbody:nth-child(1) > tr:nth-child(1) > td:nth-child(2) > div:nth-child(5) > center:nth-child(1) > table:nth-child(4) > tbody:nth-child(1)
Output is like:
## # A tibble: 241,118 × 5
## Player Rating Age dateranking ranking
##
## 1 Kasparov, Garry K 2884 37.0 April 10, 2000 1
## 2 Anand, Viswanathan 2796 30.3 April 10, 2000 2
## 3 Kramnik, Vladimir 2793 24.8 April 10, 2000 3
## 4 Shirov, Alexei 2778 27.8 April 10, 2000 4
## 5 Leko, Peter 2765 20.6 April 10, 2000 5
## 6 Topalov, Veselin 2746 25.1 April 10, 2000 6
## 7 Ivanchuk, Vassily 2738 31.1 April 10, 2000 7
## 8 Adams, Michael 2736 28.4 April 10, 2000 8
## 9 Gelfand, Boris 2731 31.8 April 10, 2000 9
## 10 Kamsky, Gata 2716 25.9 April 10, 2000 10
## # … with 241,108 more rows
#### Scraping infos for 2001-2004
Selection of dataframe in page list, adding date of list and ranking
as 1, 2, 3, …, n from rating of each specific date. Example: in [January
2001](http://www.chessmetrics.com/cm/CM2/SingleMonth.asp?Params=199510SSSSS3S000000200101111000000000000010100),
scraping dataframe from CSS selector:
body > form:nth-child(1) > table:nth-child(4)
Output is like:
## # A tibble: 4,800 × 5
## Player Rating Age dateranking ranking
##
## 1 Garry Kasparov 2850 37y9m 200101 1
## 2 Viswanathan Anand 2820 31y1m 200101 2
## 3 Vladimir Kramnik 2815 25y7m 200101 3
## 4 Peter Leko 2768 21y4m 200101 4
## 5 Alexander Morozevich 2757 23y6m 200101 5
## 6 Alexei Shirov 2750 28y6m 200101 6
## 7 Vassily Ivanchuk 2749 31y10m 200101 7
## 8 Michael Adams 2743 29y2m 200101 8
## 9 Evgeny Bareev 2739 34y2m 200101 9
## 10 Boris Gelfand 2738 32y7m 200101 10
## # … with 4,790 more rows