ModernChess, Opening Databases, 2021.
ChessBase file
It goes without saying that Queen's Gambit Declined is one of the most reliable weapons for Black. Even at the highest level, White is struggling to create problems. The fact that in his World Championship match against Carlsen, Caruana opted for this opening tells enough. In his new database, GM Roiz deals with the difficult task to suggest a repertoire against Queen's Gambit Declined. In this extensive survey, Roiz comes up with a number of rare concepts and novelties in topical positions. At the very least, we can say that his suggested repertoire creates tons of practical problems for Black. The database consists of 13 theoretical chapters