[Event " Tarrasch Defense: Prague Variation Main Line "] [Site "www.masterchessopen.com"] [Date "2014.10.10"] [Round "1"] [White "White"] [Black "D34"] [ECO "D32"] [Opening "QGD Tarrasch: 5.Nf3"] 1.d4 d5 2.c4 e6 3.Nc3 c5 4.cxd5 exd5 5.Nf3 Nc6 6.g3 Nf6 7.Bg2 Be7 *