Slav: 3.Nf3 Bf5

Before the first move

The Slav Defense is a rock-solid response to the Queen's Gambit, where Black uses the c-pawn to support the center. By playing an early Bf5, Black solves the classic problem of the 'bad' light-squared bishop, developing it outside the pawn chain before playing e6. White must now decide how to challenge this active piece.

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 aim for long-term pressure rather than immediate tactical chaos.

1... d5Black

Black replies with d5, the most solid response. You'll have to decide how to proceed against this symmetrical stand. While d5 is the main line, you might also encounter the Horwitz Defense with e6, the English Defense with b6, or even the sharp Englund Gambit with e5.

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

2. c4White · your move

Offer the c4 pawn as a gambit. This move attacks Black's d5 pawn and tries to lure it away from the center. Even if Black takes it, you will gain a powerful central presence and quick development to win the pawn back later.

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

Black chooses the Slav Defense with c6. This is a very sturdy choice that prepares to defend d5 without blocking the bishop. Other popular tries here include the Austrian Defense with c5, the Chigorin Defense with Nc6, or the Marshall Defense with Nf6.

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 · your move

Develop your knight to f3. This is a flexible developing move that controls the e5 and d4 squares while preparing for kingside castling. It keeps your options open while you wait to see how Black intends to develop their pieces.

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

3... Bf5Black

Black plays Bf5, the Baltic Defense within the Slav. This is a very active way to handle the position. More common alternatives include the main line Nf6, the Semi-Slav with e6, or the Pin Variation with Bg4, each leading to very different pawn structures.

Other paths here: Bg4 (Slav: 3.Nf3 Bg4) · dxc4 (Slav: 3.Nf3 dxc4) · Nf6 (Slav: 3.Nf3 Nf6) · e6 (Semi-Slav Defense: Chigorin Defense)

Where you stand

The position is balanced but full of tension. Black has successfully developed the light-squared bishop, but White can now try to exploit its absence from the queenside by playing Qb3. White's main plan involves central pressure and expanding on the queenside, while Black will look to solidify with e6 and complete kingside development.

• d1-b3 Attack the weakened b7 square
• c4-d5 Release tension to open the c-file
• e7-e6 Solidify the center and free the dark bishop
• g8-f6 Develop the knight and prepare to castle