TCh-SVK Extraliga 2012–13 GM Varga,Z(HUN)

Here is an interesting game from recent TCh-SVK action(TWIC 946)

Varga,Zo (2455) - Druska,J (2310)

Sicilian 3Bb5 g6[B31]

TCh-SVK Extraliga 2012–13 Slovakia SVK (4.2), 25.11.2012

Position 1
The position is closed. What do you suggest for white?
13.0-0
13.0-0-0
-Something else

White to Play

12...a5

Position 2
This position is sharp. What should white do now?

White to Play

33...Rg8