The Sämisch Variation, Closed Variation, Main Line is a variation of the King's Indian Defense, catalogued as ECO E89. The line runs 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. Nge2 c6 8. d5 cxd5, reaching the position shown below after 16 half-moves.
Both sides have pawns in the centre (White on e4, Black on d5 and e5), and two pawn captures are available, so the structure is still fluid. Development is level at three minor pieces each, and Black is up a pawn of material. It is White to move after eight moves. Black has castled while White’s king is still uncommitted; Black has doubled pawns on the d-file.
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 Sämisch Variation, Closed Variation, Main Line goes 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. Nge2 c6 8. d5 cxd5. It is a variation of the King's Indian Defense and is catalogued as ECO E89.
The Sämisch Variation, Closed Variation, Main Line is ECO E89. 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. Nc3 Bg7 4. e4 d6 5. f3 O-O 6. Be3 e5 7. Nge2 c6 8. d5 cxd5 at +0.75 at depth 18, which is a small but real edge for White. 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 e4, Black on d5 and e5), and two pawn captures are available, so the structure is still fluid. Development is level at three minor pieces each, and Black is up a pawn of material. It is White to move. Black has castled while White’s king is still uncommitted; Black has doubled pawns on the d-file.