[efficacy]

I ran some numbers

On the turn...
Against {66+} you have 11% equity on the turn
Against {66+,AK} you have 18% equity
Against {66+,AK,AQ} you have 30% equity

On the river...
Against {66+} you have 0% equity
Against {66+,AK} you have 8% equity
Against {66+,AK,AQ} you have 25% equity