?! Not a very active square for the bishop, though the idea of ... b4 must now be considered.
11. Bc1f4 Qd8c7 12. Nd4f5
! A nice aggressive square, which is available because of 10 ... Ba6?!
12... Rh8g8
?! Why not 12 ... 0-0?
13. Rf1e1 Nb8d7
? This allows the definitive sequestering of the black King in the centre, and secures white the advantage of the two bishops. There will be time to manoeuvre the other knight to f5.