About ChessX

ChessX is an Open Source chess database. With ChessX you can operate on your collection of chess games in many ways:
browse, edit, add, organize, analyze, etc.
ChessX is cross-platform. It works on Windows, Linux and Mac OS X.

Current Features

• Multi-platform. Supports Windows, Linux and Mac OS X
  
• Load and save PGN files
  
• Work with multiple databases simultaneously
  
• Browse games, including variations
  
• Enter moves, variations, comments
  
• Play games in training mode or play out games against an engine
  
• Setup board, copy/paste FEN, merge games
  
• Search header (click on columns in GameList header)
  
• Display opening tree for current position
  
• Analyze using UCI and Winboard/Xboard Chess engines
  
• Observe and play games on FICS

Feature fantasy:

• Perform advanced search (board, header, material)
  
• Store games in native binary format
  
• Fix spelling in databases
  
• Play/train against engine
  
• Calculate tournament tables
  
• Calculate ELO performance 

• Windows 32 bit - MD5: 8ef9decef59cbaca96cdf12e8ad9e801
• Windows 64 bit - MD5: c88873f78a613ead88c2a54265c7f4e1
• Mac OS X - Intel 64-bit - MD5: 52008f9bfbdefa871e45edc96b06b9d9
• Sources for Linux (tgz) - MD5: 457a98a307f218418af62955693a2214 

Download Databases:

Some sample databases from German Bundesliga:

• Big database

• Small database