ECO code: A12
English Opening: Anglo-Indian Defense, King's Knight Variation c6 3.b3 d5
Moves: 1. Nf3 Nf6 2. c4 c6 3. b3 d5
This variation of the English Opening features a flexible setup where White aims to fianchetto the bishop with 3.b3, exerting pressure on the central and queenside dark squares. Black responds with 3...d5, directly challenging White's control of the center and establishing a solid pawn presence.
Characteristic of the move 3...d5: This move is a thematic central counterstrike by Black. It strikes at White's c4-pawn and seeks to gain space and influence in the center, typical of the Anglo-Indian Defense structures.
Attacking or Defensive: For White, the opening is generally strategic and positional, focusing on controlling key squares and preparing for a gradual buildup rather than immediate attacks. Black's 3...d5 is assertive and somewhat attacking in nature, aiming to challenge White's central control and gain active play.
Center Control: Yes, this opening involves active fighting over the center. White controls the center indirectly through pieces and the c4-pawn, while Black contests the center directly with pawns on c6 and d5.
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.