[Event " Old Zurich Variation Nimzo-Indian "] [Site "www.masterchessopen.com"] [Date "2014.10.10"] [Round "1"] [White "White"] [Black "E33"] [ECO "E33"] [Opening "Nimzo-Indian: Classical, 4...Nc6"] 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qc2 Nc6 5.Nf3 d6 6.a3 *