Caissa Codex
A15

English Opening: Anglo-Indian Defense, King's Indian Formation, Double Fianchetto

Chess diagram: English Opening: Anglo-Indian Defense, King's Indian Formation, Double Fianchetto after 4…Bb7

Type a move and press Enter: e4, Nf3, O-O, or from and to squares like g1f3 (e7e8q to promote). The board is also played with the mouse.

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Statistics from Lichess

27,614 games: White 48.8% / Draw 8.8% / Black 42.4%

The moves played next. Pick one to see it on the board.
Next moveGamesWhite / Draw / BlackW / D / B
19,02719K
2,8432,843
2,7672,767
1,9501,950
398398
359359
8484
8181

Rated Lichess games between players rated 1600 to 2500, from the Lichess opening explorer, updated Oct 30, 2026

Engine evaluation

+0.50 White is slightly better

Best play: 5. d4 Bg7 6. O-O O-O 7. d5 b5 8. Qb3 Qc8 9. Qxb5 c6

Stockfish 19, depth 30, after the line's last move. Scores are in pawns, from White's side.

Overview

English Opening: Anglo-Indian Defense, King's Indian Formation, Double Fianchetto (ECO A15, Flank Openings) is a variation of the English Opening: Anglo-Indian Defense, King's Indian Formation, reached after 1. c4 Nf6 2. Nf3 g6 3. g3 b6 4. Bg2 Bb7 (4 moves).

In 27,614 rated Lichess games between players rated 1600 to 2500, White won 48.8%, Black 42.4% and 8.8% were drawn. White's most played move here is 5. O-O, in 69% of those games.

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How to play against the English Opening: Anglo-Indian Defense, King's Indian Formation, Double Fianchetto

5. b3 scores best for White: 53.7%, with White winning 48.1% and Black 40.7% of 2,767 games. The most played, 5. O-O, scores 53.3% in 19K games, and 5. Nc3 scores lowest: 52.5%. Stockfish's first choice is 5. d4.

Main answers: those played in at least 5% of these games. Score: White's wins plus half the draws, in rated Lichess games between players rated 1600 to 2500. How to play against other popular openings

Other lines from the same position

Instead of 3. g3 b6 4. Bg2 Bb7, the position after English Opening: Anglo-Indian Defense, King's Indian Formation also goes on to:

Cite this page

Caissa Codex. “English Opening: Anglo-Indian Defense, King's Indian Formation, Double Fianchetto (A15)”. Lichess data as of 30 Oct 2026. https://chesscodex.org/openings/english-opening-anglo-indian-defense-kings-indian-formation-double-fianchetto

https://chesscodex.org/openings/english-opening-anglo-indian-defense-kings-indian-formation-double-fianchetto