sorry but this is similar to the ones like : "calculator shows 50% more profit then i get. why is that?"
Not at all like this. It shows not the calculator, but the miner. The calculator does not calculate the profit, but the efficiency of finding shares. So this efficiency is lower than stated. Just want to understand why. If you are used to deal with everything superficially - your right.
Forgive me, doctor
Here you have 2 pictures with arrows, compare, can understand what I'm talking about ....