ECO code: A04
Name: Zukertort Opening: Sicilian Invitation (2.e3 g6)
Moves: 1. Nf3 c5 2. e3 g6
Description: This variation of the Zukertort Opening arises after White plays 2.e3 following 1.Nf3 and Black responds with the Sicilian setup 1...c5 and then fianchettoes the bishop with 2...g6. White’s move 2.e3 is a modest, flexible choice that supports the development of the dark-squared bishop and prepares for a central d4 push at an appropriate moment.
Characteristic: The move 2.e3 is somewhat reserved and solid, aiming for a flexible pawn structure rather than immediate central confrontation. It restrains White’s central expansion temporarily but keeps options open for later development.
Attacking or Defensive: For White, this setup is generally more positional and flexible than aggressively attacking, focusing on solid development and control of key squares. Black’s 2...g6 signals a fianchetto and a hypermodern approach, aiming to exert pressure on the center from a distance rather than occupying it directly.
Center Control: White does not immediately attack the center with pawns but prepares to challenge it later. Black, with the fianchettoed bishop, targets the central dark squares indirectly. Overall, the opening is more about controlling and influencing the center rather than occupying it outright.
This opening is defined by the position shown on the board below. The moves displayed are a typical sequence that leads to it, but different sequences can reach the same position and still carry the same opening name.