D02Black1 book lines continue
Baltic Defense, Pseudo-Slav
Queen's Gambit Declined1. d4 d5 2. Nf3 Bf5 3. c4 e6 4. Nc3 c6
Also known as Slav: 3.Nf3 Bf5 4.Nc3 e6, Queen's Gambit Refused: Baltic Defense, Pseudo-Slav, Queen's Gambit Refused, Baltic Defense.