ECO code: A06
Reti Opening: 1...d5 2.e3 c5 3.c4
This variation of the Reti Opening arises after the moves 1. Nf3 d5 2. e3 c5 3. c4. It is a flexible and strategic setup where White aims to challenge Black's central presence indirectly rather than occupying the center immediately with pawns.
Characteristic: The move 3.c4 is a hallmark of the Reti's hypermodern approach, putting pressure on Black’s central pawn on d5 from the flank. Instead of advancing the central pawns early, White focuses on undermining Black’s center and controlling key squares with pieces and pawn pressure.
Attacking or Defensive: For White, this setup is primarily attacking in nature as White seeks to challenge Black’s center and create dynamic play on the queenside. Black’s moves, especially ...c5, are also active and contest the center, so Black can be considered to play in a balanced, somewhat counter-attacking manner.
Center Control: This opening does attack the center indirectly. Rather than occupying the center with pawns immediately, White applies pressure on Black’s central pawns from the side, aiming to provoke weaknesses or exchanges that favor piece activity.
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.