This is the main variation of the King's Indian Attack and the play is very characteristic, with well-defined plans for both sides after the center is closed with e4-e5.
1. e2e4  1... e7e6  2. d2d3 The King's Indian Attack is always an interesting option in a blitz game. 2... d7d5  3. b1d2  3... c7c5  4. g1f3  4... b8c6  5. g2g3  5... g8f6  6. f1g2  6... f8e7  7. e1g1  7... e8g8  8. f1e1 