Grunfeld Russian System 7…a6-TWIC 957

TWIC 957

1.d4 Nf6 2.c4 g6 3.Nc3 d5 4.Nf3 Bg7 5.Qb3 dxc4 6.Qxc4 0–0 7.e4 a6 8.e5 b5 9.Qb3 Nfd7 10.e6 fxe6 11.Be3 Nb6(diagram) 

11...Nb6

The 10.e6 pawn sacrifice leads to sharp play. GM Ivanisevic,I reinforced the center with 12.Rd1 before launching the standard h4-h5 attack.

Ivanisevic,I (2644) - Firat,B (2428) 
Grunfeld Russian System 7…a6
8.e5 b5 9.Qb3 Nfd7 10.e6 fxe6 11.Be3 Nb6 [D97]
Karpos Open 2013 Skopje MKD (2.6), 10.03.2013

Position 1

Black is seriously behind in development but the king is hiding safely in front of the h7 pawn. What do you suggest for white?

White to Play

21...e5