Chess Opening Basics: The Queen's Gambit Declined - Chessable Blog

What is the Queen's Gambit Declined?The Queen's Gambit Declined is an extremely solid way of meeting the popular Queen's Gambit.

Chess Openings: The Queen's Gambit Accepted

The Queen's Gambit Declined - How to Play It as White and Black - Chessable Blog

Chess Opening Basics: The Ragozin Defence - Chessable Blog

The Queen's Gambit Declined - How to Play It as White and Black - Chessable Blog

The 10 Best Chess Openings for Black - Chessable Blog

Queen's Gambit Declined: Queen's Knight Variation - Chess Openings - Chess .com

How to respond to irregular openings in chess - Quora

From 1400 to 2000 in Blitz on Chess.com - A 10½ Year Journey

Opening Repertoire: Queen's Gambit Declined: Tarrasch - British Chess News

How to decide between playing Be2 and Bd3 in the opening? In some openings I've seen that top players almost exclusively play Bd3, while in other positions of somewhat similar nature they