Questions tagged [database]

A set of chess games, distributed as a stand-alone product or as part of a bundle of chess software. For endgame databases, use the [tablebases] tag instead.

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Game databases with spent time listed?

I refereed a match where White had a rather large time advantage in the middlegame - on all boards. This isn't that remarkable, I expect that Black must invest more time just to equalize, and often ...
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3 votes
0 answers
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Is it possible to connect to the Lichess database remotely from ChessBase?

Lichess has a database of over 200 million blitz, rapid and classical games played on the website, that can be accessed via the opening explorer. That is extremely useful for those interested in ...
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2 votes
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Dataset: Chess Positions and evaluation value

Is there anybody out there who knows about a very good dataset of chess positions (e.g. FEN notation or 64 fields with pieces in it) combined with a Stockfish-like evaluation score? I did find ...
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Filter PGN for games for one sided openings

I want to filter a PGN database for games where one side plays a series of moves but I don't care what the other side does during that sequence. For example the bongcloud is where one side plays 1. e3 ...
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5 votes
1 answer
709 views

Generalise 'grandmaster games (...) castle opposite sides and the queenside players loses?' to finding games based on themes

I would like to generalise What are examples of grandmaster games where both Black and White castle opposite sides and the queenside players loses? Question: Is there a way I can search this up myself?...
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Linking online accounts with OTB real names in database

I have just started to get back into chess from a long time away. I have joined my local club and started to compete. I have been playing around with SCID vs PC and wonder if you can link your ...
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1 answer
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pgnscid error message

I have been downloading zip files from "The Week In Chess"'s site and converting them to a scid database. I get quite a few Error reading move in game...: O-O errors. It appears that ...
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3 answers
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How do I find data to determine records like the youngest person 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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4 votes
1 answer
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FIDE database used for calculating current ELO

Is there somewhere the database FIDE use for calculating ELO rating of players? No need for PGN of games just game result, date, and players. Reason: recalculate players rating by using Gliko, with ...
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3 votes
1 answer
936 views

Quick method for generating FEN strings from PGN using Python Chess

Is there a fast way to generate FEN strings for every move in a PGN? I'm generating an opening book using the Lichess elite database and Python Chess, but Python Chess is taking a surprisingly long ...
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How do I to convert tarrasch-base.tdb into pgn for scid?

I have a tarrasch database in a tdb file that I would like to run into my scid-vs-pc gui. But after spending a lot of time looking for some information on Google, I found nothing that can help me. How ...
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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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3 votes
1 answer
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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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4 votes
2 answers
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Find an opening based on the position of one player only

Given a position for just one player, how can I check to see if there is a standard opening that leads to that position? For example, how could I find if there is an opening that leads (or may lead, ...
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4 votes
2 answers
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Abbreviations like 't', 'm', 'zt', 'sf' in chess databases

I am just cleaning up the Event and Site headers in the games in my chess database. There are a lot of abbreviations there. I am relatively sure about the following: of, qf, sf and f – octo final, ...
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6 votes
1 answer
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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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Create a list of discs from PGN file with a lot of comments [closed]

I need help to generate structured data from the PGN file as discs into a list in Python, or similar. For example, say that I need to read this PGN file. ###############################################...
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1 vote
1 answer
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A way to add an "opening names" column to the SCID game list

I've been googling and looking through SCID's options but just can't seem to find the answer. The database gamelist in SCID has a few informative columns for all the games in the gamelist, including ...
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2 votes
2 answers
181 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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2 answers
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What are some of the chess databases in the public domain that can be used for commercial purpose?

What chess databases allow commercial use without having to reveal source code as part of their license? I see a few chess databases online, even the huge databases on lichess. I wonder which of these ...
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1 answer
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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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4 votes
1 answer
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Are there any resources where one can view the popularity of a move by year?

I am currently under the impression that White players are allowing the Nimzo-Indian more and more, whereas before they were dodging it via 3. Nf3. I wanted to check if that is true, but usually ...
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1 answer
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Listing engine evaluation of each game after opening to track my opening skill level

I've recently picked up the book "Pump up your rating" where the author talks about tracking each of your games with a post-mortem analysis. The report of all your games combined will show ...
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2 votes
1 answer
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Issue with ChessBase results when filtering by "Good Games"

I'm trying to determine if I'm doing something wrong or if there might be a bug in the program. One thing I was experimenting with was the search mask called "Good Games". The documentation ...
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1 answer
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Need help finding a tactics database with motifs [duplicate]

I am trying to make a neural network which could determine what chess tactic is present in a position. For this, I need to have a database of chess tactics labelled with correct motifs. A similar ...
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6 votes
3 answers
706 views

Free opening name database?

Is there a database available that the gives you the names of common openings? "Ruy Lopez", "Sicialian", "Queens Gambit", etc. Ideally it would just be a simple map of the opening PGN to the common ...
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1 vote
2 answers
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Whats the difference between these chess tempo databases

Chesstempo seems to have two pages for database display. This one works at random: https://chesstempo.com/game-database.html Sometimes it shows the moves in sequence of most usage and then the ...
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2 votes
1 answer
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What is the 'combustion point' of a game? This was in an upvoted answer

Saw an answer and it had been upvoted. Person answering had a large rep on stack. The term used that was not explained is: 'Combustion Point' (of a game) My question is just what does 'combustion ...
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2 votes
2 answers
197 views

Why does chess tempo fail at random; what is the biggest free database online that is reliable

Sometimes chess tempo works. Sometimes it does not. Seems random. Is there another database that is completely reliable that is as big as chess tempo? I am looking for a DB that gives the moves ...
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2 votes
3 answers
309 views

What to put in a personal chess database?

I was thinking about creating a personalized chess database for my correspondence chess play. What sorts of contents are useful to put in it and is there any big difference in having your own database ...
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20 votes
9 answers
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How can someone find their Morphy number?

The Morphy number is a measure of how closely a chess player is connected to Paul Morphy (1837–1884) by way of playing chess games. It's analogous to the Erdős Number for mathematicians. People who ...
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2 votes
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Are there any moves that are more popular in databases of GM games but are objectively inferior?

Usually in a particular opening position, if move A is more popular (in GM games) than move B, then either move A is objectively better than move B, or move A is equally good as move B. Are there ...
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3 votes
1 answer
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Are there any sources of massive transposition tables?

Do transposition databases exist the way tablebases do? Would an engine be able to take advantage of a pre-calculated TD? Is there a benefit to players when studying if they had access to pre-...
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Where to find a list of the computer stored in the FICS Games Database?

According to the FICS Games Database there are currently 1,525 "computers stored". Such accounts are indicated by a "(C)" after the username. However, this suffix does not seem to be recorded in the ...
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6 votes
1 answer
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How do OTB games end up in databases?

How do games of players that are not so well known, or not huge events end up in Chessbase and other databases? What are the different ways that games are cataloged? If they are not playing on an ...
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4 votes
3 answers
455 views

Are there any online public chess databases I can upload my own games to?

Does there exist any online public chess database that I can upload my own games to (so that others can look at them)? I know that sites where you can play online will store games (that you played on ...
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1 vote
1 answer
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Is there any software (preferably Linux) that, when managing a database, can inform you about opening transpositions?

To make it simple, let's say that I play a game that opens with 1. e4 d5 2. d4. I use Scid-vs-PC, and in this position, it just shows a bunch of games. Od course, if black plays now 2 ... e6, we ...
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2 votes
2 answers
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Moving a game up or down the SCID database list

Is there a way to move an individual game up or down the database list or give it a new game number in the list?
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3 votes
1 answer
198 views

Which online chess websites allow you to download their games?

I am looking for a list chess websites which allow you to download large numbers of previously played chess games. Currently I have found that lichess allows you to do so. Are there any other sites? ...
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2 votes
1 answer
287 views

ChessBase: how to efficiently use two reference database simultaneously

In ChessBase I use the Mega Database as my reference database when in a board. However, I recently downloaded a Correspondence database and would like to look up positions in it as well. Is there a ...
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7 votes
1 answer
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Chess database software for variants

For regular chess, I use SCID and it works well. It has database searches, position searches, player stats, and a nice compact file format (i.e. not PGN, which is inefficient and big). Is there any ...
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1 vote
2 answers
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Using the tree window in SCID on a subset of games in the database

With a database open in SCID, one can use the tree window to explore openings. Among other things, it shows the frequency of each move that has been played in the current position and how well that ...
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5 votes
1 answer
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Database of chess results

I'm looking for a database or a collection of the chess results of all FIDE-rated games (standard time control). The data I'm interested in is: the white player, the black player, the result and the ...
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5 votes
6 answers
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In the opening stage, can we determine that one move is better than another by looking at winning percentage?

After 1.c4 Nf6 2. Nc3 g6, thousands of games have been played with the following two moves of white: 3.g3 and 3.e4. It seems that the winning percentage suggested that 3.e4 is clearly better than 3....
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4 votes
1 answer
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Professional Databases and Historical Games

I have tried to look for historical chess games (i.e. 19th century to early 20th century). I usually use Chessbase online database and chessgames.com. I have never paid for a database or database ...
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5 votes
1 answer
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How do TWIC, chessgames.com, chessbase, etc. keep up to date with new games?

Most players use these services to keep up to date on the latest chess results, but how do these services source their databases? It would seem like a prohibitive amount of work to scrape results from ...
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-1 votes
2 answers
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Recommended master games for teaching chess

I am teaching chess to beginners and am looking for recommended games to be discussed/analyzed together. So the games should be relatively simple, short and ideally focus on one main theme (e.g. ...
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1 vote
1 answer
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Is there any database of every position ever played in a recorded game?

Is there any database of every position ever played in a recorded game? I don't ask of every possible position in chess, or "solving" chess. Only the positions that were played in a recorded game. ...
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4 votes
1 answer
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Is there a database of endgame positions with known perfect play?

Perfect play as in, it leads to checkmate in the least moves possible. Not just forced mates.
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0 votes
3 answers
4k views

Where can I find a good chess database? [closed]

What is the best chess database out there (quality vs. price). Do you recommend online or offline chess database. Any experience with chessbase, chessok, chesstempo or openingmaster?
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