Despite a 2-0 advantage in the first leg, the Black Queens of Ghana are leaving no stone unturned in their second leg 2012 London Olympic Games qualifier against Guinea in Accra on Saturday.The Queens are desperate to restore their lost pride internationally after a chain of unimpressive performances.Ghana missed out of the 2008 Beijing Olympics after losing in the final play-off fixture to Brazil.The Queens will have to win two more rounds of qualifiers after the Guinea hurdle to book a place for the Olympic Games in London 2012.Head Coach A.K. Edusei says he is counting on improved performances by his girls to book qualification.He said the side were in good shape and the right frame of mind to achieve the desired results.Source: Joy Sports/Ghana