E59 - Nimzo-Indian: 4.e3 O-O 5.Nf3 d5 6.Bd3 c5

Variation: Nimzo-Indian: 4.e3 O-O 5.Nf3 d5 6.Bd3 c5

Initial Move: The final theoretical refinement of the 4.e3 Nimzo-Indian. It is a masterpiece of modern strategic and tactical analysis. Learn this opening step by step