Bogo-Indian Defense
1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ · E11
Part of Indian Defense
Starting positionWhite to move
0 / 14
A check that only asks for equality
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The idea
Black checks on b4 with the bishop, forcing White to block and then trading it off — an unambitious but very hard-to-beat system.
Main line: 1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ 4.Bd2 Qe7 5.g3 O-O 6.Bg2 d6 7.O-O Bxd2
What White wants
- Use Bd2 to offer a bishop trade, or Nbd2 to retain two bishops if Black exchanges
- Develop with g3, Bg2 and O-O and press on the centre
- Play for a small edge without taking risks
What Black wants
- Trade on d2 to keep the position balanced
- Fianchetto or hold the centre with ...d6 and ...e5
- Reach a sound, slightly passive middlegame
Key idea
Understand this and the moves stop needing to be memorised.
A check that only asks for equality
Bb4+ does not win anything — it forces White to choose between Bd2, Nbd2 and Nc3, and Black adjusts to whichever is played. It is a low-risk way to get a playable game with Black.
Common mistake
Choosing a block without recognising the transposition. Nc3 is a sound option, but enters Nimzo-Indian territory and allows a pin; Bd2 and Nbd2 lead to different exchanges. Choose for the resulting centre, not because one block looks most natural.
Representative position
The position this opening is aiming at. Copy the FEN, or open it in the analysis board and let the engine tell you what it is worth.
rnb2rk1/ppp1qppp/3ppn2/8/2PP4/5NP1/PP1bPPBP/RN1Q1RK1 w - - 0 8
Analyze this position