[Event " Nimzo-Indian Defense: Spielmann Staahlberg Variation "] [Site "www.masterchessopen.com"] [Date "2014.10.10"] [Round "1"] [White "White"] [Black "E23"] [ECO "E22"] [Opening "Nimzo-Indian: Spielmann, 4...c5"] 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qb3 c5 5.dxc5 Nc6 6.Nf3 Ne4 7.Bd2 Nxc5 8.Qc2 f5 9.g3 *