Basman,Michael J - Giri,Anish [A00] London Chess Classic Rapidplay 2014

During the recent London Chess Classic Rapidplay, IM Basman played against super GM Anish Giri. Of course he played "his stuff": 1.g4
Basman lost the game, but after 13 moves the game would have been very interesting and approximately equal, had Basman played 13.Bg5!? instead 13.h5?!

IMO the difficulty with 1.g4 is that it is much easier to go astray with it than in standard openings. 

Basman,Michael J - Giri,Anish [A00]

London Chess Classic Rapidplay (5.6), 06.12.2014

1.g4 d5 2.h3 e5 3.Bg2 c6 4.d4 e4 5.c4 Be6 6.Nc3 Ne7 7.f3 Ng6 8.fxe4 dxe4 9.Bxe4 Bxc4 10.Nf3 Bb4 11.Qc2 Nd7 12.h4 Nf6 13.h5 [better is  13.Bg5 (see diagram) Qd6 14.Bxf6 gxf6 15.0–0–0 and the game is open to every possible result]