Normal Bishop's Opening, planning to transpose into the Vienna with f4 later.
4... Nb8c6 5. f4
Voluntarily giving up a good piece and the advantage of the two bishops to prevent castling (on the Kingside) but White doesn't need to castle Kingside.
5... Bc5xg1 6. Rh1xg1 d6 7. f5
Gaining space and stifling Black's development.
7... a6
Planning ...b5
8. a3
Preserving the Bishop against both ...b5 and ...Na5
8... h5
Creating a temporary hole on g5 and eventually a weakness on the g-file.
9. Bc1g5 Nc6d4
Allowing White to ruin Black's Kingside pawn structure and increasing the value of the Dark-squared Bishop.
10. Nc3d5 c6 11. Nd5xf6 gxf6 12. Bg5h4
Now the g-file is open the doubled f-pawns are weak and the h-pawn is potentially weak. Additionally the two bishop advantage is beginning to show itself.
12... d5
Good central advance. Can't trade on d5 as that would open the center and would traumatically weaken my f5 pawn.
13. Bc4a2 Rh8g8
? Hangs the h-pawn after 13...Rg8 14. c3 (if Qxh5??, then Nxc2+) Nb5 15. Qxh5
