16.f4
gxf4
17.Nxf4
Wfb
14.a3 Gb7
15.Raf1 Qg6
16.f4 gxf4
Qe8
18.Nd5
We6
WFB
17...Qe8
18.Nd5 We6
19.Nxc7
Gxc7
20.Qxc7
Rc8
21.Qxa7
Rxc2
22.Qxb6
Nxd4
23.Nxe4
Wrong notation.It is e4,not d4.
16.f4