Xadrez

Bases

• ChessBase
• 365Chess.com - Chess Game Database Online
• chessgames.com - Online chess database and community
• Gameknot
• 2700chess.com - Live Chess Ratings

Blogues

• The Zugzwang Blog
• Ajedrez, la lucha continúa
• La bitácora de Leontxo
• Tabla de Flandes
• ... Ajedrez, tu pasión!!!

Computadoras

• AutoChess
• Thinking Machine 6 - Play chess against a transparent intelligence
• Foro meca-web
• OpenChess - Independent Computer Chess Discussion Forum

Finais

• Knowledge4IT - Web Query for Nalimov Endgame Tablebases
• Endgame Tablebases Online

GUI

• Scid
• Scid vs. PC
• Arena
• PGN Mentor

Motores

• Computer Chess Rating Lists (CCRL)
• Owl Top Chess Engines
• Stockfish Chess
• asmFish
• Houdini Chess Engine
• Komodo chess engine
• Chess Engines Diary

Organizações e associações

• World Chess Federation
• Federacióon Española de Ajedrez
• Federacióon Galega de Ajedrez
• Xaquedrum
• Escola Luguesa de Xadrez

Revistas

• New in Chess
• The Week in Chess

Sítios para jogar

• Chess.com - Play Chess on the #1 Chess Site
• Chessworld.net
• Shredder Computer Chess
• lichess.org/
• Free Internet Chess Server/
• Internet Chess Club/

Torneios

• The International Chess-Tournaments-Results-Server
• info64.org

Treino

• Chess Tempo
• The Chess Website
• ChessBomb