The Nimzo-Indian Defence: 1.d4 Nf6 2.c4... 4.Qb3 arises after 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qb3 and falls under ECO code E22. With 4.Qb3, White simultaneously defends the c3 knight and puts the question to Black's bishop on b4, forcing Black to decide how to deal with the dual threat. With 434,840 Lichess games across all rating levels, it is a specialized opening choice.
History and Notable Players
It arises from the Nimzo-Indian Defense. Among the most prolific practitioners on the White side are Gideon Stahlberg (17 games), Wolfgang Riedel (14 games), Guillermo Soppe (13 games). On the Black side, notable exponents include Aaron Nimzowitsch (8 games), Alexander Alekhine (7 games), Edgard Colle (6 games).
Statistics
Based on 433,887 Lichess games across all rating levels:
- White wins: 48.1%
- Black wins: 46.6%
- Draws: 5.3%
The statistics show a roughly balanced opening where both sides have equal chances.
Main Lines and Variations
After 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4 4.Qb3, the main continuations include:
Each of these lines leads to distinct types of positions and requires its own understanding of the resulting pawn structures and piece placements.
Common Mistakes to Avoid
- Allowing White to build an overwhelming center: Hypermodern openings allow White space in the center, but you need to strike back at the right moment. Delaying the counterattack too long can leave you without active play.
Practice on Chessiverse
The best way to learn the Nimzo-Indian Defence: 1.d4 Nf6 2.c4... 4.Qb3 is through practice. On Chessiverse, you can play chess against computer opponents from any opening or custom position. Our AI bots range from beginner to grandmaster level, each with unique playing styles — from aggressive attackers to solid defenders. Choose a bot that matches your rating and work your way up as you master the opening's key ideas.
