Slav Defense: Three Knights Variation

Before the first move

The Slav Defense is a rock-solid response to the Queen's Gambit. By supporting the d5-pawn with c6 instead of e6, Black keeps the light-squared bishop free to develop while maintaining a sturdy central anchor. White aims to control space and pressure the center, while Black seeks a robust setup with counter-attacking potential.

1. d4White

White plays d4, the most common way to start a closed game. By occupying the center, White prepares to develop the kingside knight and bishop. Black has many ways to respond, including the flexible Nf6 or the classical d5.

1... d5Black · your move

Meet White's central claim by moving your pawn to d5. This establishes a firm foothold in the center and prevents White from easily pushing e4. You are ready to challenge White's plans head-on.

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

2. c4White

White plays c4, the hallmark of the Queen's Gambit. White puts immediate pressure on d5. Black must now decide how to defend: the Queen's Gambit Declined (e6) and the Slav Defense (c6) are the most popular choices.

Other paths here: Qd3 (Amazon Attack) · e4 (Blackmar-Diemer Gambit) · e3 (Queen's Pawn Game) · Bf4 (Queen's Pawn Game: Accelerated London System)

2... c6Black · your move

Move your pawn to c6 to enter the Slav Defense. This move solidifies your d5-pawn without blocking in your light-squared bishop on c8. It is a very sturdy way to handle the pressure on your center.

Other paths here: c5 (Queen's Gambit Declined: Austrian Defense) · Bf5 (Queen's Gambit Declined: Baltic Defense) · Nf6 (Queen's Gambit Declined: Marshall Defense) · b5 (Queen's Gambit Declined: Zilbermints Gambit)

3. Nf3White

White plays Nf3, a flexible developing move that avoids committing the other pieces too early. White could also try the Exchange Variation (cxd5) or the more aggressive 3.Bf4, but the knight move is the main line.

Other paths here: Nc3 (Slav Defense) · e4 (Slav Defense: Diemer Gambit) · cxd5 (Slav Defense: Exchange Variation) · Bf4 (Slav: 3.Bf4)

3... Nf6Black · your move

Bring your knight to f6 to develop a piece and add another defender to your d5-pawn. This move also prepares you for kingside castling and keeps the position balanced and solid.

Other paths here: Bf5 (Slav: 3.Nf3 Bf5) · Bg4 (Slav: 3.Nf3 Bg4) · dxc4 (Slav: 3.Nf3 dxc4) · e6 (Semi-Slav Defense: Chigorin Defense)

4. Nc3White

White plays Nc3, entering the heart of the Three Knights Variation. This is a very testing move. White could have tried the Quiet Variation with e3 or the aggressive 4.Qb3, but Nc3 forces Black to make a critical decision about the center.

Other paths here: Bg5 (Slav Defense: Bonet Gambit) · Nbd2 (Slav Defense: Breyer Variation) · e3 (Slav Defense: Quiet Variation) · Qb3 (Slav: 4.Qb3)

Where you stand

The position is a classic Slav battleground. Black often continues by capturing on c4 or developing the bishop to f5. White will aim to build a strong center with e3 and eventually e4. Both sides have finished their initial development and must now navigate the complex middlegame where pawn structure and piece coordination are key.

• d5-c4 Capture the c4 pawn to challenge White's center
• c8-f5 Develop the light-squared bishop actively
• e2-e3 Solidify the center and prepare bishop development
• f1-e2 Prepare to castle kingside safely