ECO code: A07
Reti Opening: King's Indian Attack (KIA) 4.O-O
Moves: 1. Nf3 d5 2. g3 Nf6 3. Bg2 c6 4. O-O
FEN: rnbqkb1r/pp2pppp/2p2n2/3p4/8/5NP1/PPPPPPBP/RNBQ1RK1 b kq - 1 4
This variation of the Reti Opening adopts a King's Indian Attack setup with a fianchettoed bishop on g2 and early castling. The characteristic of the move 4.O-O is to prioritize king safety and rapid development, preparing for flexible central and flank play. White refrains from immediate direct confrontation in the center, instead focusing on control and pressure from a distance.
Playing as White, this setup is generally positional and flexible, allowing for both attacking and defensive plans depending on Black's responses. White aims to control key central squares indirectly rather than occupying the center with pawns early on.
Playing as Black, the position requires careful attention to White's potential kingside fianchetto pressure and the possibility of a delayed central break.
Center control: This opening does not immediately challenge the center with pawns but exerts influence over it through pieces, particularly the bishop on g2 and knight on f3. White often aims to undermine Black's center later rather than occupying it outright at this stage.
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.
Practice puzzles and train your tactics with real positions from games that used the Reti: KIA 4.O-O, and sharpen your opening mastery.
Puzzle 1 of 7 - Move #9 black