E46 - Nimzo-Indian: 4.e3 O-O
Variation: Nimzo-Indian: 4.e3 O-O
Initial Move: The main line of the 4.e3 Nimzo-Indian. It is the most flexible and widely played branch of the Nimzo at the professional level. Learn this opening step by step
Prague International Chess Festival 2025 | Challengers
2568.02.27