ECO code: A00
Benko Opening 2.Nh3 d5
This opening begins with 1. g3 e5 2. Nh3 d5. It is an uncommon and offbeat line where White fianchettoes the kingside bishop early, and then develops the knight to the rim with Nh3. Black responds actively with a central pawn push to d5, challenging White’s control of the center.
Characteristic: The move 2.Nh3 is unusual because it places the knight on the edge of the board, which generally is considered less effective. However, it can support a quick f4 pawn push or prepare to reroute the knight to f4 or g1. Black’s 2...d5 aims to seize central space and open lines for quick development.
Attacking or Defensive: From White’s perspective, this setup is somewhat passive and more positional or preparatory than directly attacking. Black’s moves are clearly geared towards active central control and attacking chances. So, White adopts a more defensive or flexible stance, while Black plays aggressively to claim the center.
Center Control: Black immediately challenges and attacks the center with 2...d5, establishing a strong pawn presence. White’s setup does not contest the center directly at this stage but aims for control of key squares and potential counterplay later.
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.