ECO E12 · Queen's Indian Defense
Queen's Indian Defense: Kasparov-Petrosian Variation, Romanishin Attack
The position after 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 Bb7 5.Nc3 d5 6.cxd5 Nxd5 7.Bd2.
1. d4 Nf6 2. c4 e6 3. Nf3 b6 4. a3 Bb7 5. Nc3 d5 6. cxd5 Nxd5 7. Bd2
Queen's Indian Defense: Kasparov-Petrosian Variation, Romanishin Attack is filed under ECO E12, a variation of Queen's Indian Defense: Kasparov-Petrosian Variation. It is the position after 1.d4 Nf6 2.c4 e6 3.Nf3 b6 4.a3 Bb7 5.Nc3 d5 6.cxd5 Nxd5 7.Bd2 — 13 half-moves in, with Black to move. Named theory ends here; beyond this the position is yours to work out.