All ECO Codes
\
D34
D34
Queen's Gambit
Declined, Tarrasch, Prague Variation, 7...Be7
1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Be7