Chessopolis: Computer Chess
45 links to information on computer chess programming (bottom section of this web page)
ChessPatterns
Categorized links to chess programming resources, SSDF (Swedish Chess Computer Association) rating list.
Computer Chess Programming Theory
Great site for programmers, contains quality information on various programming topics.
GameDev.net -- Chess Programming Part I: Getting Started
The first article in a six-part series about programming computers to play chess, and by extension other similar strategy games of perfect information.
Geko Chess Engine
Chess engine for Winboard and Windows. Delphi source code is available and also contains a link page with chess programming documents.
Introduction to Chess Programming
Short and brief introduction to Chess programming, providing basic methods of how computers play chess.
The Beowulf Chess Engine Homepage
Beowulf Chess Engine was used in the world-record holding ChessBrain project. The instructive source code for the engine is open and free to download.
Tim Mann's Chess Pages
Tim Mann's chess pages, author of XBoard and WinBoard user interfaces.