Chess is a scientific game and its literature ought to be placed on the basis of the strictest truthfulness, which is the foundation of all scientific research. — W. Steinitz

E11

1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+	Bogo-Indian:
4.Nbd2	Bogo-Indian: Grünfeld
4.Bd2 Qe7	Bogo-Indian: Nimzovich