Currently the price of Queens -0.75 is around evens (1.96 on
betfair without discount). If Queens wins by one goal you will get half of your stakes back and the other half winning on the 1.96 odds. If Queens wins by more than two goals you fully win the bet with 1.96 odds. If Queens draws or loose you loose your stakes. It's only a matter to get used to it, but is not difficult to understand how the various Ah levels work.