dust2 has always been recognised as one of the more open maps, of course this is when your “aim skill” sets into account.
It's always a fantastic advantage to have a skilled player with the awp, but lets face it.
You can run around with an insane aim and still get your head blown off cause the cunt from the opposite team was lucky.
Take a look at my link below and you can see how some do it.
SoA taking bombsite A-dd2