E17

Queen's Indian Defense: Euwe Variation

Key moves: 1.d4 Nf6 2.c4 e6 3.Nf3 b6

The Queen's Indian Defence is a solid hypermodern system where Black fianchettoes the queen's bishop to control the e4 square. It's one of the most reliable defences against 1.d4.

History & Notable Players

Has been a staple of top-level chess for over a century. Karpov, Kramnik, and many modern GMs have used it extensively.