The King's Indian System is a variation of the Benoni Defense, catalogued as ECO A56. The line runs 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6, reaching the position shown below after 10 half-moves.
Both sides have pawns in the centre (White on d5 and e4, Black on e5). Development is level at one minor pieces each. It is White to move after five moves.
On the Benoni Defense generally: An aggressive defense where Black accepts a space disadvantage for dynamic counterplay.
You can play through this variation move by move in your browser — Learn mode walks the line with an explanation at each step, and Drill mode replays it from memory so you find out whether you actually know it. No account is required.
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The King's Indian System goes 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6. It is a variation of the Benoni Defense and is catalogued as ECO A56.
The King's Indian System is ECO A56. ECO codes group openings by their move order, so nearby codes cover closely related lines of the Benoni Defense.
Stockfish evaluates the position after 1. d4 Nf6 2. c4 c5 3. d5 e5 4. Nc3 d6 5. e4 g6 at +1.06 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 d5 and e4, Black on e5). Development is level at one minor pieces each. It is White to move.