D07Black10 book lines continue
Chigorin Defense, Exchange Variation
Queen's Gambit Declined1. d4 d5 2. c4 Nc6 3. cxd5 Qxd5
Also known as Queen's Gambit Refused: Chigorin Defense, Exchange Variation, Queen's Gambit Refused, Chigorin Defense, Exchange Variation, Chigorin Defense.