6 h4 f6

1 e4 e6 2 d4 d5 3 Nc3 Nf6 4 Bg5 Be7
5 e5 Nfd7 6 h4 f6:



7 Qh5+ Kf8 8 exf6 Nxf6 9 Qe2 Bb4
10 Qf3 c5 11 dxc5 h6 12 Bf4 Bxc5
13 0-0-0 Nc6.
7 exf6 Nxf6 8 Nf3 c5 9 dxc5 Bxc5
10 Qe2 0-0 11 0-0-0 Bb4 12 Rd3
12 ... Qb6 13 Be3.



7 Bd3 c5 8 exf6 Nxf6 9 dxc5 Bxc5
10 Qe2 0-0 11 0-0-0 Qa5.
7 Bf4 c5 8 Qg4 Kf8 9 Nf3 Nc6
10 Ne2 cxd4 11 Nexd4 Ndxe5
12 Bxe5.



7 Bd2 fxe5 8 dxe5 Nxe5 9 Qh5+ Nf7
10 0-0-0 Nd7 11 Nh3 Nf6 12 Qe2 0-0
13 Ng5.
7 Be3 fxe5 8 dxe5 Nxe5 9 Qh5+ Nf7
10 Nf3 g6 11 Qg4 e5 12 Qa4+ c6
13 h5 g5 14 0-0-0.



7 Bh6 gxh6 8 Qh5+ Kf8 9 Rh3 Bb4
10 a3 Bxc3+ 11 Rxc3 c5 12 Qxh6+
12 ... Kf7.