411 REFERENCE · Wikibooks
Chess Opening Theory/1. d4/1...Nf6/2. c4/2...e6/3. Nf3/3...Bb4
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Bogo-Indian Defence
Black plays Bb4+ and White must block against the check. If White plays Nc3, the opening transposes into a Nimzo-Indian Defence. If instead White decides to block the check with Bd2, the resulting complications are likely to cause an exchange of pieces. Positions tend to be roughly equal, with trades (and, consequently, draws) being very common.
Theory table
.
1. d4 Nf6 2. c4 e6 3. Nf3 Bb4+
4
5
6
Bd2Qe7
g3Nc6
Nc3Bxc3
+=
Nbd2b6
a3Bxd2+
Qxd2O-O
=
Nimzo-IndianDefence
Nc3b6
Qb3c5
a3Ba5
=
References
Bogo-Indian Defence