1 d4 Nf6 2 c4 e6 3 Nf3 Bb4+:
A dual-purpose move. Black ensures rapid kingside castling and likely e4 domination. If the b1 knight jumps to c3/d2, it’s then unable to challenge f6 on e4. If the c1 bishop covers e1, Black is still solid on e4...
http://chessmiddlegamemastery.blogspot.com/2008/02/bogo-indian-defense-black-bishop-bound.html
http://chessopeningbogo-indiandefense.blogspot.com
Thanks ezras23.
1 d4 Nf6 2 c4 e6 3 Nf3 Bb4+:
A dual-purpose move. Black ensures rapid kingside
castling and likely e4 domination. If the b1 knight
jumps to c3/d2, it’s then unable to challenge f6 on
e4. If the c1 bishop covers e1, Black is still solid
on e4...
http://chessmiddlegamemastery.blogspot.com/2008/02/bogo-indian-defense-black-bishop-bound.html
http://chessopeningbogo-indiandefense.blogspot.com