A) Play Chess Online

1. Favorite sites

2. Interesting sites

Freechess.de (German online chess)
Chess.com (Learning chess)
Chess24.com (Play and Tournaments)

B) Chess Tournaments and News

1. Germany

2. Worldwide

Schachbundesliga (Germany)
Schachbund.de (Deutscher Schachbund)
Werder Bremen Schach

Chess-Calendar.eu (Tournaments)
Schach.com (Top-Site)
Chessdom.com

C) Chess Databases and Analysis

Favorite sites

Other sites

Chessbase.com (Huge Database)
365chess.com (Biggest Database)
Chessbites.com (4 million games)

Chess World.com (Learning chess)
Chessgames.com (Puzzles)
Pgn mentor.com (Extensive)