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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19
votes
9answers
3k views

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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7answers
4k views

Is the Grand Prix Attack a poor response to the Sicilian?

The Grand Prix Attack begins 1. e4 c5 2. Nc3 Nc6 3. f4. It is an anti-Sicilian for white that is popular among club players because playing it requires memorizing significantly less theory than the ...
6
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3answers
118 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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1answer
696 views

How to play against an engine using scidb?

I'v just installed the scidb chess database, and I can't figure how to play against an engine from there.Is this feature even supported ? If it is, how to use it ?
14
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8answers
7k views

Database of every possible move in chess

Imagine that there is a chess database of every possible move and position. This database contains all possible moves from opening to end game. If I played using my intuition against a chess engine, ...
1
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2answers
656 views

Is there a way (or tool) to convert games in PGN to notations like the one in the description?

Example: White: Kd6, Rh6 Black: Kd8 1.? Background story: I'm thinking of creating material for developing the visualization skills of my students. If I can convert easy problems to text notations ...
12
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4answers
14k views

Chess Problem Database with PGN or FEN

Is there a database of chess probpems that have the game or positions PGN and or FEN?
3
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3answers
162 views

Good format for library of chess positions w/tags?

I'd like to create a library of chess positions with associated tags. For example, one position might be tagged "Tactics", "Counterplay", and "Knight Forks". The goal is to be able to search the ...
2
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3answers
160 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 ...
7
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3answers
186 views

Is there ant database that will return the reversed position?

I recently started an online game as White that began as follows. [FEN "rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1"] 1. Nf3 f5 2. d3 Nc6 3. e4 e5 Here I deliberately decided to lose ...
2
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1answer
151 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 ...
4
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1answer
869 views

Chessbase vs Hiarcs for DB management

I am a Mac user and ChessBase is not available. Instead I purchased Hiarcs. I would like advise as to whether there's added value to ChessBase that should motivate me to install ChessBase on Parallels ...
7
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2answers
497 views

Chessbase products - difference

Since the ChessBase website is rather unclear, I would like help regarding a few issues: I have a few questions. What is the main differences between the Big Database and the Opening Encyclopedia? ...
6
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4answers
3k views

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).
2
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2answers
3k views

What are the biggest free chess 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, make an machine learning app that ...
1
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2answers
357 views

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 ...
2
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2answers
109 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 ...
5
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2answers
1k views

In ChessBase 12, when viewing an Opening Tree, why do all the games always stop near move 26?

I have ChessBase 12 64Bit. To create an Opening Tree I do the following steps: I click on "Mega Database 2014". I filter all the 5.8 millions games like I want (for example, taking only the games ...
2
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1answer
74 views

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 ...
5
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6answers
242 views

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....
6
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3answers
408 views

Meaning of winning percentage

I was wondering about the exact meaning of winning percentage (white/draw/black) in database systems and how to use them for studying. How are move order variations taken care of? For instance, if I ...
1
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1answer
78 views

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 ...
7
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1answer
221 views

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 ...
3
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3answers
2k views

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 ...
0
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3answers
1k views

How can I open a .cbh databse

On my old windows-pc I created a database of my games on fritz 11 which I then uploaded to googledrive. The database is a .cbh file. My old computer broke and I'd like to re-open this database. As I ...
2
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2answers
65 views

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 ...
3
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1answer
68 views

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-...
2
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0answers
31 views

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 ...
6
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1answer
97 views

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 ...
10
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9answers
6k views

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 ...
8
votes
2answers
494 views

What is the approximate number of unique positions added by each practical game of chess?

The average number of moves in a game of chess is about 40. This would be an average of about 80 positions in each game, but many positions are shared between games. More sharing occurs at the ...
4
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3answers
154 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 ...
4
votes
1answer
2k views

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 ...
3
votes
3answers
11k views

Freely available PGN databases

I am looking for a relatively large PGN-formatted database (with at least 500k+ games), that is downloadable, with possibly the following properties: Simple formatted (no time indication after moves, ...
1
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1answer
78 views

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?
3
votes
1answer
188 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? ...
4
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3answers
440 views

Is there an online database for the endgame KRPPKRP?

It was stated at this forum that the 7-men-endgames are still not available online. What about the special endgame KRPPKRP (Rook and 2 pawns against Rook and 1 pawn) ? It would be nice if the ...
1
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2answers
207 views

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 ...
5
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0answers
462 views

How to use masks in scid for opening training [closed]

I've been trying to understand how the "mask" feature works in scid and how to use it for training opening lines. So far I did the following: open a database of master games in scid open the tree ...
4
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1answer
159 views

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 ...
0
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3answers
1k 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?
8
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1answer
701 views

Pawn Structure database

I wonder if there is any existing or a way to create a chess database organised only according to pawn structures, where the notion of a pawn structures is crudely defined by GM Andrew Soltis in his ...
10
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2answers
2k views

software to analyze my own database of games with statistics

I've been playing on lichess.org for my online games, and is the primary way I enjoy chess. One of the big reasons why I started playing on lichess.org was that they offer a simple way to export your ...
4
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4answers
2k views

What is the best way to get games for the multiple editions of The Week In Chess?

I am looking for getting all games played in 2013 as quickly and painlessly as possible. A batch file to download many ziped pgn files would be non-ideal, but ok. I prefer the Week in Chess as a ...
5
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1answer
410 views

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 ...
-1
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2answers
77 views

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. ...
2
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3answers
188 views

Database program for statistics about mistakes

I wonder if there is an application that will help with statistics for my own games. Of course - there are applications (eg. Scid, Chessbase) that allow to make some statistics out of database - but ...
1
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1answer
95 views

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. ...
34
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5answers
44k views

What is the average length of a game of chess?

I hope this is an appropriate question for this site as I've been wanting a reputable answer. Of course the length of games can vary wildly, but what is the expected number of moves until either a ...
4
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1answer
136 views

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.