ECO D98 · Grünfeld Defense
Grünfeld Defense: Russian Variation, Smyslov Variation
The position after 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 Bg4.
1. d4 Nf6 2. c4 g6 3. Nc3 d5 4. Nf3 Bg7 5. Qb3 dxc4 6. Qxc4 O-O 7. e4 Bg4
Grünfeld Defense: Russian Variation, Smyslov Variation is filed under ECO D98, a variation of Grünfeld Defense: Russian Variation. It is the position after 1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 O-O 7.e4 Bg4 — 14 half-moves in, with White to move. Named theory ends here; beyond this the position is yours to work out.