Slav Defense: Czech Variation

Before the first move

The Czech Slav is a rock-solid response to the Queen's Gambit where Black temporarily accepts the gambit pawn to develop the light-squared bishop. White gains space and prevents the b5 support with a4, while Black establishes a firm presence in the center and prepares for a strategic counter-attack.

1. d4White

White plays d4, the most common way to start a closed game. By occupying the center, White prepares to develop the queenside pieces and invites Black to respond in kind. Other major options like e4 or c4 lead to very different structures.

1... d5Black · your move

Move your pawn to d5 to mirror White's control and block their advance. This solidifies your stake in the center and prepares you to meet the Queen's Gambit 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 signature of the Queen's Gambit. White pressures the center and tries to lure the d5-pawn away. Instead of this, White could choose the London System with Bf4 or the Chigorin with Nc3, but c4 remains the most principled test.

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 bolster your center. This defines the Slav Defense, protecting d5 with a pawn rather than a piece, which keeps your light-squared bishop's path open for later development.

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 prevents Black's e5 break. White could also try the Exchange Variation with cxd5 or the more aggressive 3.Nc3, but the knight move is the main line for maintaining pressure without simplifying too early.

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 a second defender to your d5-pawn. This move is essential for preparing kingside castling and controlling the e4 square.

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, the most aggressive development. By putting maximum heat on d5, White forces you to make a decision. Alternatives like e3 (the Quiet Variation) or the Breyer Variation (Nbd2) are less direct and allow Black more breathing room.

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

4... dxc4Black · your move

Capture the pawn on c4. By taking this pawn, you temporarily win material and force White to spend time recovering it, which gives you the opportunity to develop your light-squared bishop outside the pawn chain.

Other paths here: a6 (Slav Defense: Chebanenko Variation) · g6 (Slav Defense: Schlechter Variation) · Qb6 (Slav Defense: Süchting Variation) · Bf5 (Slav: 4.Nc3 Bf5)

5. a4White

White plays a4, a necessary restriction. If White had played e3 or e4 instead, you would have defended your pawn with b5. By pushing the a-pawn, White stops your queenside expansion but leaves a hole on the b4 square for your pieces.

Other paths here: e3 (Slav Defense: Alekhine Variation) · e4 (Slav Defense: Geller Gambit) · Ne5 (Slav: Accepted, 5.Ne5)

5... Bf5Black · your move

Develop your bishop to f5. Now that White has played a4, this square is the perfect home for your bishop, where it controls the important e4 square and remains active outside your pawn chain.

Other paths here: Na6 (Slav Defense: Smyslov Variation) · e6 (Slav Defense: Soultanbeieff Variation) · Bg4 (Slav Defense: Steiner Variation) · Nd5 (Slav: 5.a4 Nd5)

Where you stand

The position is strategically balanced. White will likely play e3 to recapture the c4 pawn and castle kingside. Black will play e6 and Nbd7, aiming to challenge the center with c5 or e5 later. White has a space advantage, but Black's solid structure and active bishop on f5 provide excellent long-term prospects.

• f1-c4 Recapture the pawn on c4
• e2-e3 Open the path for the bishop
• e7-e6 Solidify the center and develop
• b8-d7 Support the center from d7
• f8-b4 Pin the knight on c3