D83Black17 book lines continue
Brinckmann Attack, Grünfeld Gambit
Grünfeld Defense1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Bf4 Bg7 5. e3 O-O
Also known as Gruenfeld: Gruenfeld Gambit, Gruenfeld Defense: Brinckmann Attack, Gruenfeld Gambit, Gruenfeld Defense, Brinckmann Attack.