1.e4 c6

Forsaking the Pirc

2.d4 d5 3.Nc3 dxe4 4.Nxe4 Bf5 5.Ng3 Bg6 6.h4 h6 7.Nf3 Nd7 8.h5 Bh7 9.Bd3 Bxd3 10.Qxd3 e6 11.Bd2 Ngf6 12.0-0-0 Be7 13.Rh4!?

This looked rather outlandish to me. There is a point however...

13...0-0

Castling into it!

14.Ne2 c5 15.g4?!

This is the point. However, white can advance the g pawn without the protection, as if black takes, the attack down the g file will be strong.

15...cxd4 16.g5 hxg5 17.Bxg5 e5 18.Qf5

19.Bxe7?

[19.Rg1 Nxg5 (19...Bxg5+ 20.Nxg5 Nxg5 21.Rxg5) 20.Nxg5 Bxg5+ (20...Nf6 21.h6 g6 22.h7+ Nxh7 (22...Kh8 23.Nxf7+ Rxf7 24.Qxg6 Qf8 25.Qg8+ Nxg8 26.hxg8Q#) 23.Nxf7 Rxf7 24.Qxg6+ Kh8 (24...Kf8 25.Qg8#) 25.Qxf7+-) 21.Rxg5+/-]

19...Qxe7 20.Rg1 Qe6 21.Qxe6 fxe6 22.h6?

[22.Rhg4 Rxf3 (22...Rf7) 23.Rxg7+ Kh8 24.Rxd7 Rxf2 etc as in the game]

22...Rxf3 23.Rxg7+ Kh8 24.Rxd7 Rxf2 25.Kd1 Ng5 26.Rg4 Nf3 27.Ng3

[Missing the draw 27.Nf4 exf4 28.Rgg7=]

27...Rd2+ 28.Kc1 Rc8! 29.h7?