3.Nf3 … 7...Bf5 8.Nh4 Be6 9.b3: King's Indian Defense line

King's Indian Defense line, 9 moves deep. You play Black.

1. d4
2. Nf6
3. c4
4. g6
5. Nf3
6. Bg7
7. g3
8. O-O
9. Bg2
10. d6
11. O-O
12. c6
13. Nc3
14. Bf5
15. Nh4
16. Be6
17. b3
18. d5