The Four Pawns Attack, Main Line is a variation of the Benoni Defense, catalogued as ECO A69. The line runs 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 O-O 9. Be2 Re8, reaching the position shown below after 18 half-moves.
White holds the centre with pawns on d5 and e4. Development is level at three minor pieces each. It is White to move after nine moves. Black has castled while White’s king is still uncommitted.
On the Benoni Defense generally: An aggressive defense where Black accepts a space disadvantage for dynamic counterplay.
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The Four Pawns Attack, Main Line goes 1. d4 Nf6 2. c4 c5 3. d5 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 O-O 9. Be2 Re8. It is a variation of the Benoni Defense and is catalogued as ECO A69.
The Four Pawns Attack, Main Line is ECO A69. 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 e6 4. Nc3 exd5 5. cxd5 d6 6. e4 g6 7. f4 Bg7 8. Nf3 O-O 9. Be2 Re8 at +0.34 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.
White holds the centre with pawns on d5 and e4. Development is level at three minor pieces each. It is White to move. Black has castled while White’s king is still uncommitted.