Qualifying analysis - Yeongam race set to hold surprises

Near perfect track conditions made for a relatively straightforward qualifying session in Korea (especially if your name was Sebastian Vettel), even though the level of grip dropped a little as drivers made their second runs in Q3. The general feeling is that Pirelli's supersoft tyres will be on their degradation limit in the race and this, along with some quite varied set-ups and downforce levels, will almost certainly lend an air of unpredictability to Sunday's proceedings

Source: http://www.formula1.com/news/features/2013/10/15055.html

Edgar Barth Giorgio Bassi Erwin Bauer