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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408 views

chess win expectancy by material difference table or calculator

Houdini Chess engine is said to have a calibrated evaluation in which engine scores correlate directly with the win expectancy in the position. A +1.00 pawn advantage gives a 80% chance of winning the ...
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What is the best way to document and archive my past games?

I am looking for more sophisticated solutions for documenting, archiving and analysing my past games. Right now I have a folder filled with PGN files. What systems have proved to work well?
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Is there a chess move history app (Mac)?

I would like to check various positions to see if I have reached them in the past. I play on lichess.org which lets you download your complete game history as a pgn. I was wondering if anyone knew of ...
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USCF player question

I was looking at the list of uscf players (as anyone can through WinTD) and two columns in a dataset, downloadable through the program, are titled RSUPP_NUM, R_PLR_TYP. Does anyone have any idea what ...
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Meaning of move stats in opening databases

I naively thought that if I picked the biggest winning move (for example using white) in the database and kept picking moves that white would always win, but at some point the advantage for white ...
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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!
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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 ...
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How do people use chess software to improve their practical skills?

I'm currently using chesstempo to get better at tactics, reading books on strategy, analyzing grandmasters' games, etc. My current rating is around 1800 and I am planning to gain 200-300 points ...
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How do you convert a scid database into a pgn database?

So I got a big scid database and ScidvsMac. I would like to convert the complete database into a pgn database. So far I have only found out how to convert single games into pgn, something I'm not keen ...
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Endgame Databases

I am looking to practice endgames against a computer by having a decent number (lets say 500+) of positions loaded into a database. Currently I am taking positions from various endgame books as well ...
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658 views

Database of analysed positions with corresponding scores

I am looking for a database with many various chess positions with a corresponding engine score. Something like (position, score): 6r1/3k4/4b1rB/p2p1R2/1pp5/8/PP5Q/7K w - - 1 39 1.25 rn2nrk1/...
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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 ...
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Java Library for PGN parser

I would like to find a Java library that will allow me to read a PGN file that could contain several chess games, probably with comments inserted also. But, it won't be used to generate moves or play ...
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Random position from database

How do I get a random position in chessbase 13 software from megadatabase to guess the best move , is this facility available in chessbase software which is availabe is softwares like Chess Hero, Or ...
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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, ...
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What is Syzygy tablebases?

I just want to know in simple language exactly, What the Syzygy tablebases are, Why they are used, What are their advantages, disadvantages?
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Database of correspondence games?

Where can I find databases of correspondence games? I prefer freely available ones, but commercial products can also be suggested.
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The list of all authentic chess games 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 ...
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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 ...
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Does anyone have the game De Groot - Simmelink, correspondence 1996

First 12.5 moves were: [FEN ""] 1. d4 Nf6 2. c4 Nc6 3. Nc3 e5 4. d5 Ne7 5. h4 Neg8 6. a3 a6 7. Nf3 Ng4 8. Ng5 f5 9. Qc2 Bc5 10. e3 Ne7 11. Be2 Nf6 12. b4 Ba7 13. Bb2 Many thanks...
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Is there a Windows based command line tool to convert cbh to pgn?

I see that there is code for an Android app available at https://code.google.com/p/cb2pgn/, but I wonder if anyone has taken the time to make a standalone .exe that does the job?
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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).
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Issues downloading the latest version of chess database on chessdb! [duplicate]

I downloaded the lastest version of chessdb but while trying to download the large database (about 3.5M games), I have got errors and the download does not start. I deactivated my firewall and my ...
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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"] [...
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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 ?
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Convert ChessBase format to PGN on Linux

I have some ChessBase-format database files, and I would like to convert them to PGN so thatlinux-compatible programs (like scid, chessdb, etc.) could read it. Since I am running on linux and not ...
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263 views

Most important aspects of computer for scanning through databases in Chessbase?

A quite technological question so this is for the tech-people out there! What are the most important parts of a computer for Chessbase Database searching? For example, opening reports and reference, ...
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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 ...
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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 ...
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In an opening tree on ChessBase, how can we fix the statistics so that transpositions are not taken into account in the total number of games?

In an opening tree (also called "opening explorer" or "openings book") on ChessBase 12, here are the statistics that we get after 1. Nf3 c5 : So it seems that after 1. Nf3 c5 White will play 2. e4 93%...
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Where can I find databases of tactical problems, categorized and ranked by difficulty?

I'm toying with the idea of building a tactical training tool. For my idea to work, I need positions that are categorized by motif and difficulty. A lot of tools seem to have this, and I doubt they'...
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In a ChessBase opening tree how can we put a column that displays the percent of time each move is played or a column that displays “Perf” minus “Av”?

Here are the columns displayed in an opening tree on ChessBase 12: I would be interested in adding two columns: A column which displays the percent of time each move is played in the position. So ...
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How can I use Scid to figure how I should divide study time for each opening line?

I have a database (Scid) that is mostly made up of games downloaded from TWIC. I know my rating (low 2000s). As an example, I want to play the Classical Sicilian as black. It can be reached either as ...
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Is it legal to use a chess database in correspondence chess?

Someone told me that you can use a chess database for correspondence chess, but this seems a little like cheating. Does anyone has some information on this subject.
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Additional openings that are Chess Position Trainer compatible

I just started playing with Chess Position Trainer and I really enjoy the experience of playing through the "Closed Sicilian” repetoir that comes pre-loaded. The manual mentions that you can build ...
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How to create your own opening book for your own chess engine?

I am currently working on a chess engine in Java. I am using the minimax algorithm with alpha-beta pruning to select the best move. However, it is inefficient to use the algorithm for selecting ...
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How to save games in ChessBase reader?

I played a very interesting game today, and I entered it in ChessBase reader, along with some comments. I would love to save this game in a database (.cbh) or as a .pgn, but I don't know how. Can you ...
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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 ...
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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 ...
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1k gamesanalysis (PGN)

I've been playing chess on-line for about 7 years now. I've downloaded my past games since 2011, its about 1k chess games. The download is in PGN format. Now I want to do an analyses on the data. Is ...
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Making sense of Scid vs. PC tree score statistics

I can't seem to figure out how to interpret the score statistics when browsing a chess database with Scid vs. PC. To give an example, the following is a position from the ICOfY chess database tree ...
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how to keep an offline database of my own games

What would be the most standard way to keep an offline database of my online and over the board games? Would just keeping PGN files (with arbitrary filenames) in a directory work? Would database ...
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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 ...
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How do you browse games in a PGN file on Linux?

I've downloaded the database from ICOfY in PGN format. Are there any free Linux-based programs that would allow one to browse through it? I mean exploring the game moves tree while displaying position ...
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Where can I download (or buy) a database of Chess960 games?

Where can I download (or buy) a database of Chess960 games? Or at least find games from the major Chess960 tournaments? edit: If some is interested here are games I managed to find in internet.
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Online personalized database resource

I'm searching for the possibility of having my personal database of annotated games in the cloud, my games included. I already read this post: 1) http://chessmicrobase.com/ looks nice, although basic, ...
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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 ...
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Chess openings together with games played using this opening

I am looking for a resource where I can get a list of chess openings (the more comprehensive the better) together with games that were played using this opening. Up till now the only good thing I was ...
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Is it possible to download a big txt file containing many openings?

I am creating a small chess engine for a CS class, nothing serious, i need to read the openings from a txt file or any format, i can go to websites like chessgames.com and download individual games, ...
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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 ...