King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Advance Line

1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O c5 7. Nc3 Nc6 8. d5

King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Advance Line after 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O c5 7. Nc3 Nc6 8. d5 87654321abcdefgh

The King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Advance Line is a chess opening classified as ECO E66, reached after 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O c5 7. Nc3 Nc6 8. d5. It is a line of the King's Indian Defense. Black is to move.

In 12.6 million rated Lichess games (blitz and slower), this position was reached 10 times by this move order. White won 40%, 0% were drawn and Black won 60%. The most popular continuation is 8… Na5 (100% of games).

Engine evaluation: +0.28 (Stockfish, depth 40; best line 8… Na5 9. Nd2 e6 10. Rb1 exd5 11. cxd5)

ECO
E66
Moves
15 plies
FEN
r1bq1rk1/pp2ppbp/2np1np1/2pP4/2P5/2N2NP1/PP2PPBP/R1BQ1RK1 b - - 0 8
PGN
1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O c5 7. Nc3 Nc6 8. d5

Analyse with Stockfish · Board image (SVG) · Open on Lichess

Results by rating

Average ratingGamesWhite / draw / Black
2000+1040%60%
All1040%60%

Most played moves

MoveGamesWhite / draw / Black
8… Na510 (100%)40%60%

Master games

59 over-the-board games are classified under this line (White 46%, draw 25%, Black 29%). The strongest:

Search all games of the King's Indian Defense: Fianchetto Variation, Yugoslav Variation, Advance Line and its sub-variations

Highest-rated Lichess games

Comes from

King's Indian Defense: Fianchetto Variation, Yugoslav Variation 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O c5 7. Nc3

More King's Indian Defense lines (all)

Opening names and moves from the Lichess openings dataset; statistics from the Lichess open database, 2026-09 (CC0), sample of 12.6 million games, bots excluded; evaluations from Lichess cloud analysis (all CC0). Master games from The Week in Chess #920–#1664 by Mark Crowther, used with permission.