Jonathan Schrantz demonstrates how to play the classical Nimzo, characterized by 4. Qc2. See different lines played by grandmasters.
2016.03.14
E34 Nimzo-Indian, classical, Noa variation
Alexander Morozevich vs Alexander Beliavsky, European Team Chess Championships (2007): E32 Nimzo-Indian, classical variation
Chao Li vs. Yue Wang, 2011: E38 Nimzo-Indian, classical, 4…c5