ECO code: A08
Opening Name: Reti: King's Indian Attack (KIA) with 2...c5, 3.Bg2 Nc6 4.O-O e6 5.d3 Nge7 6.Nbd2
Moves: 1. Nf3 d5 2. g3 c5 3. Bg2 Nc6 4. O-O e6 5. d3 Nge7 6. Nbd2
FEN: r1bqkb1r/pp2nppp/2n1p3/2pp4/8/3P1NP1/PPPNPPBP/R1BQ1RK1 b kq - 2 6
This variation of the Reti Opening transitions into a flexible, hypermodern setup where White fianchettoes the kingside bishop and delays direct central occupation. The characteristic feature of this line is White's emphasis on controlling the center from a distance rather than occupying it immediately with pawns. The moves 2.g3 and 3.Bg2 are typical of the King's Indian Attack formation, aiming for solid kingside development and long-term pressure.
Characteristic: The setup is known for its flexibility and solid structure, allowing White to adapt depending on Black's central breaks. White's 6.Nbd2 supports central control and prepares potential e4 advances or redeployment of the knights.
Attacking or Defensive: For White, this opening is primarily positional and somewhat defensive in the early stages, focusing on solid development and control rather than immediate attacks. However, it keeps attacking chances open as the center and kingside can become targets later. Black’s setup with ...c5 and ...e6 is also solid and aims to challenge White’s center indirectly, so Black’s play is balanced between defense and counterattack.
Center Control: White does not occupy the center directly early on but exerts influence over it with pieces and pawns (especially the bishop on g2 and knights). Black challenges the center with pawn breaks like ...c5 and supports it with ...e6 and ...Nge7, making the center a key battleground but not immediately seized by either side.
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.