Bogo-Indian Defence (E11)

The Bogo-Indian Defence or Bogoljubov Defence is a chess opening characterised by the moves: 1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+ The position arising after 1.d4 Nf6 2.c4 e6 is common. The traditional move for White here is 3.Nc3, threatening to set up a big pawn centre with 4.e4....