ECO D10 · Best studied as White

Slav: 3.g3

  • Solid
  • Central
  • Fianchetto

What is the Slav: 3.g3?

The Slav Defense is a rock-solid response to the Queen's Gambit where Black supports the center with the c-pawn.

1. d4 d5 2. c4 c6 3. g3

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Position after 1. d4 d5 2. c4 c6 3. g3

The lesson

Play through the Slav: 3.g3, move by move

Scroll the moves and watch the board follow along. Every move comes with the idea behind it.

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1. d4 d5 2. c4 c6 3. g3

  1. Before the first move

    The Slav Defense is a rock-solid response to the Queen's Gambit where Black supports the center with the c-pawn. By choosing the g3 Catalan-style setup, White aims for long-term pressure on the long diagonal, combining central stability with a powerful kingside fianchetto to challenge Black's sturdy structure.

  2. 1. d4White · your move

    Push your pawn to d4. This move claims central space, controls the e5-square, and opens lines for your queen and dark-squared bishop. It is the foundation of many strategic systems where you seek to dictate the pace of the game from the very first move.

  3. 1... d5Black

    Black replies d5, establishing a symmetrical foothold in the center. This is the most solid response to d4, though players also frequently choose the King's Indian style with Nf6 or the Dutch Defense with f5. Now, the battle for the center truly begins as White prepares the Queen's Gambit.

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

  4. 2. c4White · your move

    Push your pawn to c4. This is the Queen's Gambit, offering a side pawn to lure Black's d-pawn away from the center. If Black captures, you gain a stronger central presence; if they decline, you maintain constant pressure on the d5-square.

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

  5. 2... c6Black

    Black plays c6, entering the Slav Defense. This is a very sturdy choice that prioritizes pawn structure. White now has many paths, including the main line with Nc3, the solid e3, or the sharp Exchange Variation with cxd5, but here White chooses a more modern, positional approach.

    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)

  6. 3. g3White · your move

    Push your pawn to g3. You are preparing to fianchetto your bishop to g2. From that square, your bishop will exert tremendous pressure along the h1-a8 diagonal, targeting the center and making it difficult for Black to comfortably develop their queenside pieces.

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

  7. Where you stand

    The position is strategically rich. White will fianchetto on g2 and castle quickly, while Black usually develops the kingside with Nf6 and e6. Black must decide whether to keep the center closed or eventually take on c4. White's goal is to prove that the pressure from the g2-bishop outweighs Black's solid defensive wall.

    • f1-g2 Fianchetto the bishop to pressure the diagonal
    • g1-f3 Develop the knight and prepare castling
    • g8-f6 Develop the knight and control e4
    • c8-f5 Bring the bishop out before playing e6
    • e1-g1 Castle kingside to secure the king

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