ECO A48 · Indian Defense

Indian Defense: Colle System, King's Indian Variation

1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Bd3 d6

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White to move. The arrow shows Stockfish’s best move.
Best move

5. O-O+0.26

The position is roughly equal. Stockfish 18, depth 18.

Analyze this position

In the Indian Defense: Colle System, King's Indian Variation (A48), reached after 1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Bd3 d6, Stockfish 18 recommends 5. O-O for White. The position is roughly equal (+0.26).

Top engine moves

  1. +0.265. O-O O-O 6. e4 c5 7. d5 e6 8. c4 exd5 9. exd5 Bg4
  2. +0.265. e4 O-O 6. O-O c5 7. d5 e6 8. c4 exd5 9. exd5 Bg4
  3. +0.155. h3 O-O 6. O-O Nc6 7. c4 e5 8. Nc3 Re8 9. Bc2 Nb4

Frequently asked questions

What is the best move in the Indian Defense: Colle System, King's Indian Variation?
After 1. d4 Nf6 2. Nf3 g6 3. e3 Bg7 4. Bd3 d6, Stockfish 18 at depth 18 recommends 5. O-O for White, continuing O-O 6. e4 c5 7. d5 e6 8. c4 exd5 9. exd5 Bg4. The position is roughly equal (+0.26). The next best moves are 5. e4 (+0.26) and 5. h3 (+0.15).
Is the Indian Defense: Colle System, King's Indian Variation a good opening?
Stockfish rates the position at +0.26: the position is roughly equal. Evaluations this early in the game are small, so practical results depend far more on knowing the plans and typical structures than on the engine's number.
What is the ECO code of the Indian Defense: Colle System, King's Indian Variation?
A48. ECO codes classify chess openings from A00 to E99; A is the volume for flank openings.

Opening names from the Lichess opening book (CC0). Pieces by Colin M.L. Burnett (GPLv2+).