ECO code: A00
Polish Opening: King's Indian Variation arises after the moves 1. b4 Nf6 2. Bb2 g6 3. c4 Bg7 4. e3 d6.
This line features White's early flank pawn push with 1.b4, aiming to control the queenside and challenge Black's setup from the outset. The characteristic move 3.c4 signals White's intention to build a strong pawn presence in the center and on the queenside, supporting future central and flank activity.
From White's perspective, this variation combines both attacking and positional elements. White seeks to apply pressure on the queenside while maintaining a solid center with pawns on c4 and e3. Black, employing a King's Indian setup with ...g6, ...Bg7, and ...d6, adopts a flexible and defensive posture, preparing to counterattack in the center and on the kingside later.
The opening does focus on central control indirectly. While White does not immediately occupy the center with pawns like e4 or d4, the move c4 supports control over central squares, especially d5. Black’s setup with ...d6 and ...Nf6 also aims to control key central squares and prepare for eventual central or kingside counterplay.
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.