E12White40 book lines continue
Kasparov-Petrosian Variation
Queen's Indian Defense1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3
Also known as Queen's Indian: Petrosian, 5.Nc3, Kasparov-Petrosian Variation, QID, Queen's Indian Defense, Kasparov-Petrosian Variation.