The Fianchetto Variation, Classical Fianchetto is a variation of the King's Indian Defense, catalogued as ECO E67. The line runs 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 e5, reaching the position shown below after 14 half-moves.
Both sides have pawns in the centre (White on d4, Black on e5), and one pawn capture is available, so the structure has not settled yet. Development is level at three minor pieces each. It is White to move after seven moves. Both kings have castled kingside, so play tends to shift to the centre and the opposite flank.
On the King's Indian Defense generally: A hypermodern defense where Black allows White to build a big center, then counterattacks it.
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The Fianchetto Variation, Classical Fianchetto goes 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 e5. It is a variation of the King's Indian Defense and is catalogued as ECO E67.
The Fianchetto Variation, Classical Fianchetto is ECO E67. ECO codes group openings by their move order, so nearby codes cover closely related lines of the King's Indian Defense.
Stockfish evaluates the position after 1. d4 Nf6 2. c4 g6 3. Nf3 Bg7 4. g3 O-O 5. Bg2 d6 6. O-O Nbd7 7. Nc3 e5 at +0.51 at depth 18, which is a slight pull for White, within normal opening margins. Engine evaluation is only a starting point — at club level the practical value of a line is mostly about whether you know its plans better than your opponent does.
Both sides have pawns in the centre (White on d4, Black on e5), and one pawn capture is available, so the structure has not settled yet. Development is level at three minor pieces each. It is White to move. Both kings have castled kingside, so play tends to shift to the centre and the opposite flank.