1940x7, then -5250 for a loss of about a lb and a half per week, then divided by 7 = 1190. MFP will give you 1200 minimum.
If you haven't been losing weight before or for a while, you usually lose a bit more to start with. Lots of people suggest you eat your BMR rate to lose weight safely. You could try 1400 and lower it if it isn't working for you.