Chess Codex
Tree path 10 levels Indian Defense: West Indian Defense › King's Indian Defense › Normal Variation › King's Indian Defense: Normal Variation › Rare Defenses › King's Indian Defense: Orthodox Variation › King's Indian Defense: Orthodox Variation › King's Indian Defense: Orthodox Variation › Aronin-Taimanov Defense › King's Indian Defense: Orthodox Variation, Classical System
  1. Chess Codex
  2. Indian Defense: West Indian Defense E60
  3. King's Indian Defense E61
  4. Normal Variation E70
  5. King's Indian Defense: Normal Variation E70
  6. Rare Defenses E90
  7. King's Indian Defense: Orthodox Variation E91
  8. King's Indian Defense: Orthodox Variation E92
  9. King's Indian Defense: Orthodox Variation E94
  10. Aronin-Taimanov Defense E97
  11. King's Indian Defense: Orthodox Variation, Classical System E98 you are here
E98

King's Indian Defense: Orthodox Variation, Classical System

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Overview

King's Indian Defense: Orthodox Variation, Classical System is a specific line in the Indian Defenses family (ECO E98), arising from a recognised theoretical position.

The Indian Defenses group covers Indian defences — hypermodern lines where Black challenges the centre with pieces rather than pawns.

Play reaches this position via 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, after 17 plies of opening development.

The line refines King's Indian Defense: Orthodox Variation, Aronin-Taimanov Defense, which traces back to the root opening Indian Defense: West Indian Defense.

The line splits into 2 documented sub-systems: Neo-Classical Line, Traditional Line.

In total, the branch covers 4 sub-variations across all depths.

Explore the position on the interactive board, study its real-world results from Lichess, and challenge the engine when you are ready.

ECO code
E98
Group
Indian Defenses (E)
Plies
17
Parent
King's Indian Defense: Orthodox Variation, Aronin-Taimanov Defense
Direct variations
2
Total in subtree
4

This overview is generated automatically from the opening's metadata. A more detailed, human-written description is on the way — and you can speed it up by suggesting one yourself.

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Variations (2)

Related variations at the same level

Sister lines that share the same parent King's Indian Defense: Orthodox Variation, Aronin-Taimanov Defense:

Show all 4 sub-variations (full subtree)

https://test.av-webdevs.com/openings/kings-indian-defense-orthodox-variation-classical-system