Queen's Indian: 4.e3 Bb7 5.Bd3 c5

Before the first move

The Queen's Indian Defense is a sophisticated hypermodern battle where Black challenges White's center from the flank. In this solid 4.e3 variation, White builds a sturdy central wall while preparing smooth development. You will learn how to balance central control with piece activity as both sides fight for the d4 and e4 squares.

1. d4White · your move

Push your pawn to d4 to claim space in the center and open lines for your queen and dark-squared bishop. This move sets the stage for a strategic battle where you aim to control the heart of the board from the very first move.

1... Nf6Black

Black replies with Nf6, the hallmark of the Indian Defenses. This prevents a dual-pawn center for White while maintaining great flexibility. Other choices like d5 lead to the Queen's Gambit, while sharper gambits like the Englund or the Benoni-style c5 are also possible.

Other paths here: Na6 (Australian Defense) · g5 (Borg Defense: Borg Gambit) · b6 (English Defense) · e5 (Englund Gambit)

2. c4White · your move

Advance your pawn to c4. This move gains further space and prepares to develop your queen's knight to c3. You are building a classical pawn front that puts pressure on the center and prepares to challenge any d5 push from Black.

Other paths here: f4 (Canard Opening) · g4 (Indian Defense: Gibbins-Weidenhagen Gambit) · e4 (Indian Defense: Omega Gambit) · d5 (Indian Defense: Pawn Push Variation)

2... e6Black

Black plays e6, preparing to develop the kingside. This move is very flexible; it can lead to the Nimzo-Indian if White plays Nc3, or the Queen's Indian if White chooses Nf3. It remains one of the most respected ways to meet the d4-c4 complex.

Other paths here: g5 (Indian Defense: Medusa Gambit) · b5 (Indian Defense: Pyrenees Gambit) · a6 (Indian: 2.c4 a6) · Nc6 (Mexican Defense)

3. Nf3White · your move

Bring your knight to f3. This natural developing move controls the center and prepares for kingside castling. By choosing the knight move over Nc3, you avoid the complications of the Nimzo-Indian and invite Black into a different strategic landscape.

Other paths here: g3 (Catalan Opening) · Qb3 (Indian Defense) · g4 (Indian Defense: Devin Gambit) · Bg5 (Indian Defense: Seirawan Attack)

3... b6Black

Black plays b6, entering the Queen's Indian Defense. This hypermodern approach focuses on controlling the center with pieces rather than pawns. Alternatives include the Queen's Gambit Declined with d5 or the more aggressive Blumenfeld Gambit with c5.

Other paths here: d5 (Queen's Gambit Declined) · Ne4 (Indian Defense: Döry Indian) · a6 (Indian Defense: Dzindzi-Indian Defense) · Be7 (Neo-Indian: 3.Nf3 Be7)

4. e3White · your move

Move your pawn to e3. This solidifies your d4 pawn and opens the path for your light-squared bishop. While less aggressive than the main-line g3 systems, this setup is extremely solid and leads to a rich middlegame with clear plans for both sides.

Other paths here: Nc3 (Queen's Indian Defense: Kasparov Variation) · Bf4 (Queen's Indian Defense: Miles Variation) · a3 (Queen's Indian Defense: Petrosian Variation) · Bg5 (Queen's Indian: 4.Bg5)

4... Bb7Black

Black follows through with Bb7, completing the characteristic Queen's Indian setup. The bishop on b7 is a powerhouse. White's most common reply is to develop the bishop to d3, though some players prefer the check on b4 first to disrupt White's coordination.

Other paths here: Bb4+ (Queen's Indian: 4.e3 Bb4+)

5. Bd3White · your move

Develop your bishop to d3. This is an ideal square, as the bishop points toward the kingside and supports a future e4 push. It also defends the c4 pawn and prepares you to castle your king to safety on the very next move.

Other paths here: Nc3 (Queen's Indian: 4.e3 Bb7 5.Nc3)

5... c5Black

Black plays c5, a thematic strike against the White center. By challenging d4, Black forces White to make a decision about the pawn structure. Other solid moves here include d5 or the developing Be7, but c5 is the most energetic response.

Other paths here: Bb4+ (Queen's Indian: 4.e3 Bb7 5.Bd3 Bb4+) · Be7 (Queen's Indian: 4.e3 Bb7 5.Bd3 Be7) · d5 (Queen's Indian: 4.e3 Bb7 5.Bd3 d5)

Where you stand

The position is balanced and rich with strategic depth. White will likely castle and look to expand with e4 or manage the central tension. Black aims to pressure d4, often through a trade on d4 or by reinforcing the center with d6 and Be7. Both sides have clear development and a long, maneuvering battle ahead where piece coordination is key.

• e1-g1 Castle kingside to secure the king.
• b1-c3 Develop the knight to its most active square.
• f8-e7 Develop the bishop and prepare to castle.
• c5-d4 Exchange pawns to open the c-file.
• d1-e2 Connect the rooks and support the center.