Bogo-Indian Defense
The Bogo-Indian Defense starts 1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+, where Black checks at once instead of waiting for Nc3 as in the Nimzo-Indian. White must block with a piece, and Black then decides whether to trade the bishop, keep it, or retreat it to e7.
- Moves
- 1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+
- ECO
- E11
- Engine
- +0.35 · a slight edge for White (Stockfish 17.1, depth 20)
- Played
- 1,459 games in our lichess sample
- White scores
- 49.7%
Key ideas for both sides
White
- Block with 4.Nbd2 to keep the bishop pair; after a3 Black usually has to give the bishop for the knight.
- Block with 4.Bd2 and invite a trade; the d2 bishop or queen can recapture and develop in one move.
- After the trade, play e4 or g3 and Bg2 and use the bishop pair and the center over time.
- Avoid allowing ...Ne4 hits on d2 and c3 when the knight or bishop is pinned.
Black
- Answer 4.Bd2 with ...Qe7, keeping the pin and preparing ...Bxd2+ only when it suits Black.
- Trade with ...Bxd2+ for simple development, then play ...d6, ...O-O and ...e5 or ...b6.
- Retreat with ...Be7 after 4.Bd2: the d2 bishop now stands badly and Black gets a Queen's Gambit setup with ...d5.
- Strike the center with ...c5 or ...e5 once castled, so White's extra space does not grow.
Plans and pawn structure
After 4.Bd2 the bishop exchange often follows, and both sides develop quickly; White wants e4 or a fianchetto with g3 and Bg2, while Black plays ...d6, ...O-O and ...e5 or ...b6 and ...Bb7. After 4.Nbd2 White keeps the bishop pair and Black usually trades on d2 after a3, accepting a slower game where e4 and Black's ...e5 break decide the structure. In the ...Be7 lines Black plays ...d5 and ...O-O, reaching a Queen's Gambit type position where the d2 bishop is a little misplaced.
What the Bogo-Indian is about
After 1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+ Black gives a check right away. White has played Nf3 to avoid the Nimzo-Indian, so Black still finds a way to use the f8 bishop on b4. White must block with a piece on d2, either the bishop or the b1 knight, or interpose the c3 knight and reach a Nimzo-Indian.
Black's goal is easy development, often at the price of the bishop pair. White wants to use the extra space, play e4 later, and show that the trade on d2 helped White. Across 1459 games from this position White scored 49.7%, almost even, while the engine gives White a small plus.
The main variations
The Grünfeld Variation, 4.Nbd2, is the most played block and the engine's first choice. White keeps the dark-squared bishop and threatens a3 to win the bishop pair. The engine line runs 4...b6 5.a3 Bxd2+ 6.Nxd2 d6 7.e4 Nc6, a slow game where White has the bishops and more center.
After 4.Bd2 Black has three replies. The Nimzowitsch Variation, 4...Qe7, keeps the pin and protects the bishop. White scored only 46.9% here, the best result for Black among the main lines.
The Exchange Variation, 4...Bxd2+, trades at once. Black loses the bishop pair but gets quick, simple development with ...d6, ...O-O and ...e5. White scored 52.8%.
The Retreat Variation, 4...Be7, looks odd but has a point. The d2 bishop is not well placed, and Black follows with ...d5 and ...O-O. The engine line goes 5.Nc3 d5 6.Qc2 O-O 7.Rd1 c5.
Typical plans for White
White's main plan is space. With pawns on c4 and d4, White wants e4 at the right moment. After 4.Nbd2 and a3, the bishop pair is a long-term trump: keep the position open enough for the bishops to work.
A fianchetto with g3 and Bg2 is another common setup. It puts pressure on the long diagonal and supports a central push later.
- After 4.Bd2 Qe7, development with g3, Bg2 and Nc3 is the normal plan.
- After 4...Be7, the d2 bishop can go back to c3 or g5 later; do not worry about the lost tempo.
- Watch for ...Ne4 hitting the d2 piece in the lines where it is pinned.
Typical plans for Black
Black wants fast development and a timely central break. After a trade on d2, the normal setup is ...d6, ...O-O, ...Nc6 or ...Nbd7, and then ...e5. Black can also play ...b6 and ...Bb7 to fight for e4 in Queen's Indian style.
In the ...Qe7 lines the queen protects b4 and supports ...e5. In the ...Be7 lines Black plays ...d5 and ...c5 for a classical Queen's Gambit structure.
- Keep the e5 break in mind: it is Black's main way to claim the center after ...Bxd2+.
- Do not let White play e4 and d5 for free, which leaves Black cramped.
- In the ...b6 lines, ...Bb7 and ...Ne4 put pressure on e4 and help Black hold the center with pieces.
Mistakes club players make
- Trading on d2 too early without a plan. Giving up the bishop pair is fine only if Black follows with ...d6 and ...e5 or ...b6 and ...Bb7.
- Leaving the b4 bishop hanging. After 4.Nbd2 and a3, Black must trade or retreat; a loose bishop can be trapped by pawns.
- Answering with 4.Nc3 by accident. That reaches a Nimzo-Indian, a different opening with its own theory.
- Ignoring ...Ne4 as White. A knight on e4 hitting d2 can win time or a pawn if the d2 piece is pinned.
Who should play it
The Bogo-Indian suits Black players who want a solid answer to 3.Nf3 with little theory. It gives easy development and clear plans, and Black's results in the main lines are close to even. Players who like the Nimzo-Indian but do not want to learn the Queen's Indian often use it.
For White, 4.Nbd2 is the ambitious choice that keeps the bishops. 4.Bd2 is simpler, and you get a pleasant space edge if you develop calmly. Either way, the middlegames are slow and strategic, so White players who prefer clear plans to sharp tactics will feel at home.
What the engine plays from here
Stockfish 17.1 at depth 20 rates the position +0.35: a slight edge for White. Its three top choices for White:
- +0.35 4.Nbd2 b6 5.a3 Bxd2+ 6.Nxd2 d6
- +0.23 4.Bd2 Be7 5.Nc3 d5 6.Qc2 O-O
- +0.11 4.Nc3 O-O 5.e3 c5 6.Bd3 d5
Pawns, from White's side.
How it scores on lichess
1,459 rated lichess games reached this position; White scored 49.7%.
Light: White wins. Grey: draws. Dark: Black wins. About the sample.
Variations of the Bogo-Indian Defense
- Grünfeld Variation4.Nbd2 · 309 games
- Nimzowitsch Variation4.Bd2 · 307 games
- New England Variation4.Nfd2 · rare
- Yates Variation4.Bd2 · rare
- Queen's Indian Defense, with e34.Nbd2 · rare
- Three Knights Variation, Shocron Gambit4.Nc3 · rare
How to play against it
As White, choose between 4.Nbd2, which keeps your bishops and gives a small, lasting edge, and 4.Bd2, which is simpler and invites trades. Do not answer with 4.Nc3 unless you are happy in a Nimzo-Indian. Above all, develop with tempo and aim for e4; the check alone does not trouble you.
Questions
What are the moves of the Bogo-Indian Defense?
The Bogo-Indian Defense starts 1.d4 Nf6 2.c4 e6 3.Nf3 Bb4+. Its ECO code is E11.
Is the Bogo-Indian Defense good for Black?
Stockfish 17.1 rates the position +0.35 at depth 20, which is a slight edge for White. In 1,459 lichess games from our sample, White scored 49.7%. A low-theory choice for Black players who like solid positions, ready for a slight space deficit in return for easy development.
What is the main idea of the Bogo-Indian Defense?
Black gives an early check to make White block on d2, then develops quickly, often trading the dark-squared bishop for easy play. White wants to keep a small space edge and later push e4.
What should White play next?
The engine's first choice is Nbd2, with Bd2 and Nc3 close behind. 4.Nbd2 blocks the check with a piece that keeps the bishop pair; after a3 Black usually has to trade on d2.
Updated October 2026. Sources and method.