King's Indian Defense: Orthodox Variation, Classical System, Traditional Line

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 Nd7 10. f3 f5

Opening Preview

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.

King's Indian Defense: Orthodox Variation, Classical System, Traditional Line

This opening arises after the moves 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. Nf3 O-O 6. Be2 e5 7. O-O Nc6 8. d5 Ne7 9. Ne1 Nd7 10. f3 f5. It is a well-established and highly strategic line within the King's Indian Defense, featuring a complex battle for space and control.

Characteristic of the move 10...f5: This move is a thematic pawn break in the King's Indian, signaling Black’s intention to initiate a kingside attack by challenging White’s center and gaining dynamic counterplay. It aims to undermine White’s e4 pawn and open lines for Black’s pieces, especially the dark-squared bishop and knights.

Attacking or Defensive: For Black, this line is clearly attacking. Black seeks active play on the kingside, often launching pawn storms and piece sacrifices to break White’s center and create attacking chances. White’s setup, on the other hand, is more positional and centralizing, focusing on maintaining control of the center with the pawn chain d5 and e4, preparing for a potential queenside expansion or central breakthrough.

Center Control: This opening heavily involves the center. White initially establishes a strong pawn center with pawns on d5 and e4, while Black challenges it dynamically, especially with the ...f5 break. The struggle for control of the center is a key theme, with both sides contesting it through pawn pushes and piece maneuvers.

Featured Games

You can also discover how top players used King's Indian Defense: Orthodox Variation, Classical System, Traditional Line to leverage key strategies to secure victories in these classic matchups.