12 Weeks to Better Chess starting on March 5, 2017!
Chessbase Wiki: online support
Quality Chess Homepage and Blog.
The iconic Marshall Chess Club in New York.
The Brooklyn Strategist: Chess & Games.
GM Matthew Sadler’s official site.
GM Karsten Müller’s Endgame Blog.
Nalimov’s online endgame database for up to 6 pieces.
Computer Training Guide to Chess: a lot of good stuff, plus links to many chess-related subjects.
A helpful online chess guide: useful information about chess.
John Hartmann website with chess book reviews.