Plugging most of the holes at the for the moment as white doesn't have d5 yet, the square is attacked twice but defended three times.
11. Bc1f4
Development with a threat to c7 maintaining the initiative.
11... Bb4a5 12. Nf3e5
Threatening the pinned knight with Nxc6 bxc6 Qxc6+ forking K and rook.
12... b5
An attempt to break the pin which fails to a tactic.
13. Nc3xb5
The threat of Nxc7+ Bxc7 Qxc6+ keeps black restrained. If axb5 Bxb5 will win back the knight on c6.
13... O-O
Black runs for cover removing the pin and risk of double attacks with check.
14. Nb5xc7
Winning a second pawn as the c6 knight hangs. Bxc7 Qxc6.
14... Nc6xe5 15. Bf4xe5 Ba5xc7 16. Be5xc7
The smoke clears and white is two pawns up, has the two bishops and controls more of the centre and queenside.
16... Bc8b7
Black tries to seize the initiative in the hope that he can recover some material or land a blow on the white king whilst white's pieces are on the other side of the board.
17. Rf1e1
White defends by supporting with the rook. Bf1 is now a defensive possibility if black gangs up on g2.
