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Database for chess games

Project Description

Description

This package provides a database for chess games.

When playing through a game a list of all games containing the current position is displayed.

Repertoire games can be defined. When playing through a repertoire game a list of all games containing the current position is displayed. Repertoire games are not included in this list.

Chess engines can be used to analyse positions while playing through games or repertoire games. The analysis can be played through like the game score. The analysis can be saved on the database for later reference.

Partial positions can be defined and a list of all games containing a position matching the partial position is displayed.

Games can be typed, or imported from files, in PGN Import Format.

Games are indexed by the seven standard tags defined by the PGN standard.

Games can be edited or deleted.

Games can be output to PGN files in Export Format, Reduced Export Format, or an import format excluding comments and glyphs.

Installation Instructions

Build dependencies

Install the package by typing

python setup.py install

at the command prompt with setup.py in the current directory.

You may need to give the path and version of Python depending on your system’s configuration:

<path to python>/python<version> setup.py install

For example

C:\Python33\python setup.py install

on Microsoft Windows or

python3.3 setup.py install

on Unix-like systems.

Runtime dependencies

Chess Engines

Chess engines which support the Universal Chess Interface (UCI) can be used to analyse positions. Wikipedia UCI entry links to the specification too.

Database Interfaces

The default database interface is the sqlite3 module distributed with Python.

The apsw interface, if installed, to Sqlite 3 is used instead of the sqlite3 interface.

New databases are accessed using these alternative interfaces if installed.

If both alternatives are installed, chesstab will use dptdb.

If bsddb3 is used, a version of Berkeley DB supported by bsddb3 must be installed.

Fonts

The chesstab package incudes the Chess Merida, Chess Cases, Chess Motif, and Chess Lucena fonts by Armando H Marroquin.

These are available from www.enpassant.dk/chess/fonteng.htm and the relevant files have been included in this package for convenience.

Install at least one of these fonts using the tool(s) available on your platform.

Run

The command to run this package is:

python -m chesstab.chessgames

You may need to give the path and version of Python depending on your system’s configuration:

<path to python>/python<version> -m chesstab.chessgames

For example

C:\Python33\python -m chesstab.chessgames

on Microsoft Windows or

python3.3 -m chesstab.chessgames

on Unix-like systems.

Or use the facilities of your desktop (Microsoft Windows, GNOME, KDE, …) to set up a convenient way of starting chessgames.

Notes

A database of about 1.5 million games will occupy between 10 and 15 Gbytes.

Importing 1.5 million games will take at least a few hours. For example about 12 hours on a 1.8MHz CPU with 2Gb 667MHz DDR2 SDRAM, and about 30 hours on a 1.7MHz CPU with 1Gb DDR266 RAM.

These figures were obtained using the Enormous database from:

ftp://ftp.cis.uab.edu/pub/hyatt/pgn.

Partial position searches are always much quicker using the dptdb database interface.

When using the sqlite3, apsw, or bsddb3 database interfaces, you may notice better response times on partial position searches if the bitarray module is installed.

The sqlite3 and apsw database interfaces are equivalent, but all other pairings are incompatible.

Release History

Release History

This version
History Node

0.41.7

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