Dutch: 2.c4 Nf6 3.Nc3 e6 4.a3

Before the first move

The Dutch Defense is an ambitious, asymmetrical response to White's queen's pawn opening. By playing f5, Black immediately fights for control of the e4-square but leaves their king potentially exposed. In this specific line, White uses a3 to prepare a queenside expansion while preventing Black from pinning the knight on c3.

1. d4White · your move

Move your pawn to d4. This central strike claims territory and opens paths for your queen and dark-squared bishop. It is the most solid way to start the game, focusing on long-term control of the center.

1... f5Black

Black replies with f5, the signature move of the Dutch Defense. While it controls e4, it weakens the kingside slightly. Alternatives like the solid d5, the flexible e6 (Horwitz Defense), or the hypermodern b6 (English Defense) are also common here.

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. You are building a classical pawn center and preparing to develop your knight behind it. This move increases your influence over the d5-square and prepares for a future queenside space advantage.

Other paths here: Qd3 (Dutch Defense: Alapin Variation) · Bg5 (Dutch Defense: Hopton Attack) · h3 (Dutch Defense: Korchnoi Attack) · g4 (Dutch Defense: Krejcik Gambit)

2... Nf6Black

Black develops the knight to f6, reinforcing control over the center. This is the standard reply, though Black sometimes chooses d6 to prepare e5 or g6 to enter the Leningrad Dutch, which is characterized by a kingside fianchetto.

Other paths here: e6 (Dutch Defense: Classical Variation) · d6 (Dutch: 2.c4 d6) · g6 (Dutch: 2.c4 g6)

3. Nc3White · your move

Bring your knight to c3. This piece adds more pressure to the e4-square and prepares for central action. By developing the knight here, you keep your options open for several different setups against the Dutch structure.

Other paths here: Nf3 (Dutch: 2.c4 Nf6) · g3 (Dutch Defense: Fianchetto Variation)

3... e6Black

Black plays e6, a solid move that prepares for the Ilyin-Zhenevsky or Stonewall setups. Black could also try d6 to keep the position more fluid or g6 if they still want to fianchetto their bishop on g7.

Other paths here: d6 (Dutch: 2.c4 Nf6 3.Nc3 d6) · g6 (Dutch: 2.c4 Nf6 3.Nc3 g6)

4. a3White · your move

Slide your pawn to a3. This subtle prophylactic move prevents Black from playing Bb4 and pinning your knight. It also prepares a future b4 push to gain space on the queenside and challenge Black's structure.

Other paths here: Bg5 (Dutch: 2.c4 Nf6 3.Nc3 e6 4.Bg5) · e3 (Dutch: 2.c4 Nf6 3.Nc3 e6 4.e3) · Nf3 (Dutch: 2.c4 Nf6 3.Nc3 e6 4.Nf3) · Qc2 (Dutch: 2.c4 Nf6 3.Nc3 e6 4.Qc2)

Where you stand

The position is strategically rich. White has prevented the annoying Bb4 pin and is ready to expand on the queenside with b4 or develop naturally with Nf3 and e3. Black will likely finish development with Be7 and castling, then look for a central break with d6 and e5 or a queenside expansion of their own with b6 and Bb7.

• b2-b4 Expand on the queenside with b4
• f8-e7 Develop the bishop and prepare castling
• g1-f3 Develop the knight to a natural square
• c8-b7 Fianchetto the bishop to challenge the center