King's Indian Defense: Four Pawns Attack

1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4

King's Indian Defense: Four Pawns Attack is catalogued under ECO code E76. It is reached after 5 moves (9 half-moves): 1. d4 Nf6 2. c4 g6 3. Nc3 Bg7 4. e4 d6 5. f4. After the last move it is Black to play. White opens 1. d4. It is a named variation of the King's Indian Defense, which has 119 catalogued lines in total.

Position shown after the last move; Black to play.