All ECO Codes
\
D79
D79
Gruenfeld Defence
Neo-Gruenfeld Defence, 6.O-O, Main line
1.d4 Nf6 2.c4 g6 3.g3 d5 4.Bg2 Bg7 5.Nf3 O-O 6.O-O c6 7.cxd5 cxd5