ECO code: E61
King's Indian: Smyslov System, 6.e3 c5
This opening arises after the moves 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. Nf3 O-O 5. Bg5 d6 6. e3 c5. It is a variation of the King's Indian Defense, specifically the Smyslov System, where White adopts a solid setup with e3 and Bg5 to control key dark squares and limit Black's typical kingside activity.
The move 6...c5 is characteristic of Black's attempt to immediately challenge White's center and gain counterplay on the queenside. It signals Black's intention to fight for central and queenside space rather than passively defending.
From White's perspective, the setup is somewhat flexible and can be both defensive and preparatory, aiming to maintain a strong center while restraining Black's activity. Black, by contrast, adopts an active and somewhat aggressive stance with ...c5, contesting the center and seeking counterattack opportunities.
Overall, this line involves a battle over the center: White supports and solidifies the central d4-pawn, while Black contests it with ...c5 and prepares to undermine White's control. So yes, both sides are actively involved in fighting for the center, with Black's ...c5 being a direct challenge.
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 King's Indian: Smyslov System, 6.e3 c6, and sharpen your opening mastery.
Puzzle 1 of 1 - Move #25 white