King's Indian Attack: Double Fianchetto

Before the first move

The King's Indian Attack is a flexible system where White avoids early confrontation to build a solid structure. By mirroring the King's Indian Defense, both sides prepare to fianchetto their kingside bishops. This setup leads to a strategic battle where understanding piece placement is more important than memorizing sharp lines.

1. Nf3White · your move

Develop your knight to f3. This flexible move controls the center, specifically the d4 and e5 squares, while keeping your options open for several different pawn structures. It is the perfect starting point for a hypermodern approach where you invite the opponent to occupy the center while you prepare to challenge it later.

1... d5Black

Black replies with d5, taking a stake in the center. This is the most common response to 1. Nf3. Other popular alternatives include Nf6, which keeps the game more fluid, or Nc6, known as the Black Mustang Defense. By playing d5, Black ensures they won't be easily pushed around in the opening minutes of the game.

Other paths here: f6 (Zukertort Opening: Arctic Defense) · h6 (Zukertort Opening: Basman Defense) · Nc6 (Zukertort Opening: Black Mustang Defense) · f5 (Zukertort Opening: Dutch Variation)

2. g3White · your move

Prepare to fianchetto by moving your pawn to g3. This clears the g2 square for your bishop, which will soon exert long-range pressure along the h1-a8 diagonal. This move signals your intent to play the King's Indian Attack, prioritizing a safe king and a strong, indirect influence on the center.

Other paths here: b3 (Nimzo-Larsen Attack: Classical Variation) · e3 (Reti: 1...d5 2.e3) · b4 (Reti: Santasiere's folly) · e4 (Reti: Tennison/Zukertort Gambit)

2... g6Black

Black chooses g6, entering the Double Fianchetto variation. This is a highly principled response, though Black could also try the Keres Variation with Bg4 or the Sicilian-style c5. By mirroring White, you create a balanced position where the struggle will revolve around who can better timed their central pawn breaks like c4 or e5.

Other paths here: Bg4 (King's Indian Attack: Keres Variation) · e5 (King's Indian Attack: Omega-Delta Gambit) · c5 (King's Indian Attack: Sicilian Variation) · Nc6 (Reti: KIA)

Where you stand

The stage is set for a strategic struggle. White will likely continue with Bg2, d3, and O-O, while Black follows with Bg7 and O-O. The game will eventually revolve around White's e4 or c4 breaks against Black's central control. Expect a slow-burning game where maneuvering and patience are your best tools for victory.

• f1-g2 Fianchetto the bishop to pressure d5
• f8-g7 Fianchetto the bishop to defend the king
• e1-g1 Castle kingside for maximum safety
• d2-d4 Challenge the center with a d4 push
• c7-c5 Strike at the center with c5