Neo-Indian: 3.Nf3 a6 4.Nc3

Before the first move

The Neo-Indian with 3.Nf3 and 3...a6 is a flexible, modern approach to the Queen's Pawn openings. White aims for a broad center and rapid development, while Black uses a6 to prepare a potential b5 expansion or to control the b5 square before committing their central pawns.

1. d4White · your move

Push your pawn to d4 to claim immediate control of the center. This move opens lines for your queen and dark-squared bishop while preventing Black from easily placing a pawn on e5.

1... Nf6Black

Black replies with Nf6, the signature move of the Indian Defenses. This prevents White from immediately playing e4. Other options like the English Defense with b6 or the aggressive Englund Gambit with e5 lead to very different types of games.

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

2. c4White · your move

Push your pawn to c4 to increase your influence in the center and prepare to develop your knight behind it. This move creates space for your queen and begins the fight for the d5 square.

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 challenge the center. This is a very flexible choice. Black could also try the Queen's Indian Accelerated with b6 or the Mexican Defense with Nc6, but e6 remains the most classical and reliable path.

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

Develop your knight to f3. This natural developing move reinforces your control over d4 and e5 while preparing for kingside castling. It keeps the game in flexible, positional territory.

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

3... a6Black

Black plays a6, a prophylactic move that defines the Neo-Indian. Instead of the more common d5 or the Bogo-Indian Bb4+, Black prepares for a queenside expansion. This forces White to decide how to continue their development.

Other paths here: d5 (Queen's Gambit Declined) · Ne4 (Indian Defense: Döry Indian) · Be7 (Neo-Indian: 3.Nf3 Be7) · c5 (Neo-Indian: Blumenfeld/Benoni)

4. Nc3White · your move

Develop your knight to c3 to put maximum pressure on the d5 and e4 squares. This move develops a piece toward the center and prepares for e4, challenging Black to reveal their plan immediately.

Where you stand

The position is balanced but full of tension. White has a classical center and excellent development, while Black has a flexible structure ready to strike back. Future play will revolve around White's attempt to push e4 and Black's counterplay on the queenside or with the d5 break.

• c3-e4 Push e4 to dominate the center
• c1-g5 Develop bishop to pin the knight
• d7-d5 Challenge the center with d5
• b7-b5 Expand on the queenside with b5