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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.

In chess, a database is 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.

159 questions
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What are the biggest free chess game databases? Is it legal to download games from them?

Are there some free chess game databases where it is possible and allowed to download games? Is it possible to use this information for my own purposes? For example, would be allowed to make a machine learning app that learned from the downloaded…
Superluminal
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Are there any (free) games databases out there?

I am searching for a broad and extensive games database (i.e. games played between real players.) I can hardly seem to find any (even paid ones.) - However all sorts of chess software has these built in. Where can I get my hands on one? I will use…
SharkX
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Why is it so hard to find a free downloadable chess database with older/historical chess games?

The best free, downloadable chess database I've found is Kingbase (http://www.kingbase-chess.net). It only has games since 1990. I also have the Android Chessbase Online app, which also appears to only have relatively newer games. The only source I…
user3431
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Where can I find a big chess database?

I am searching for a big chess games database, in PGN or CBH or SCID format. ICOfY Base is no longer available, I think. I found nothing in torrent sites (I am searching for something that is legal).
lolveley
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Which online database is the best?

I search an online chess games database which should be free and it would be nice if no registration would be required. I want to be able to search for the basic criterions year and ELO. It would be nice if the database contains only classical…
Peter
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How can I find all games between 2 specific players?

How can I find all games played by 2 specific players? For example: Nigel Short and Magnus Carlsen. Is there some official FIDE database or something like that? I'd like an easy way to see things like: Their overall score against each other A list…
user16609
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1 answer

Chess games ownership, databases to use in app to sell

There is plenty of sites offering database searches and I wonder how to make it without breaking any laws. I'm looking for games source (pgn ideal) that I can download, process and use in my application. Looking for both human and correspondence…
hoacin
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A list of all authentic games that have happened so far

I am looking for a database of chess games for a research purpose. I found that chessgames.com is one such site where the data for games of strong players would be available (I don't expect it to be free of course!). However, I am not at all…
Peaceful
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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. Ideally, i would like to find for a position how…
pdrak
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Cleaning a database

I noticed that in the freely available TWIC databases (and perhaps in other databases as well) there are sometimes different notations for the same move. Just now I am looking at the Ruy Lopez where in some games white plays 6. Re1 while in others…
user1583209
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New to SCID, Where should I begin?

I read "SCID database" mentioned many times in different chess forums. As a regular chessbase/pgn user, I wonder what difference it makes and where I should begin. Thanks!
Arun J
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Quality of inputs in chess game databases?

[Event "FIDE Women's World Chess Championship"] [Site "Sochi RUS"] [Date "2015.03.17"] [EventDate "2015.03.17"] [Round "1.1"] [Result "1/2-1/2"] [White "Tatiana Kosintseva"] [Black "Mary Ann Gomes"] [ECO "B47"] [WhiteElo "?"] [BlackElo…
Peter
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What positions are there where the final actual outcome in real games contradict engine evalulation?

This question triggered by a position reached today round 9 in WCC 2023. According to lichess Masters DB that position was reached 17 times in which black won 3 times and the rest are drawn which is interesting since this position is +0.3 according…
user34633
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