King's Indian Defense: Sämisch Variation, Double Fianchetto

A double fianchetto chess opening that features a solid, flexible, and aggressive setup for both sides, aiming for a rich middlegame.

The opening is characterized by a solid and flexible pawn structure for both White and Black. In this opening, both sides aim to control the center and create attacking chances on the wings. White's pawn structure is designed to support a strong center and restrict Black's pawn breaks, while Black's setup is focused on counterplay and undermining White's pawn chain.

The variation is named after the German chess player Friedrich Sämisch, who contributed significantly to the development of this opening. The Double Fianchetto refers to the placement of both bishops on the long diagonals, which is a common theme in this variation.

White's main idea in this opening is to establish a strong pawn center with pawns on d4, e4, and f3, while developing the pieces harmoniously. The f3 pawn supports the e4 pawn and prepares for a potential pawn storm on the kingside. Meanwhile, Black aims to challenge White's center with pawn breaks like ...c5 or ...e5 and create counterplay on the queenside with moves like ...b6 and ...a6.

Both sides have various plans and ideas in the middlegame, which can lead to rich and complex positions. The Double Fianchetto setup allows for flexibility in piece placement and pawn breaks, making it an interesting and challenging opening for players of all levels.