ECO E20
Advanced
Nimzo-Indian Defense
3.Bb4+: hypermodern — Black pins the knight while controlling e4.
Build / configure a bot
On the homepage, add this opening to your avatar’s repertoire after analysis.
Recommended level
Intermediate (~1400+): rich pawn structures (c4–d5 or a3 lines).
Overview
After 1.d4 Nf6 2.c4 e6 3.Nc3 Bb4, Black avoids immediate …d5 and often heads for KID-style or Rubinstein setups.