Lowering them even more is probably going to make you lose a nice chunk of lean mass!
Not familiar w/the diet you are on, but any diet (that is calculated by the user so it is accurate) for that period should show progress, especially if you are hittin' that cardio and trainin' hard. I take it something there is lacking perhaps? If not, could be other things......
Those Kcals seem about right for ya, but somethin's wrong........my guess is you need to get your thyroid humpin', make cardio a staple for fat loss, utilize carbs for muscle building/glucose restortation when it is needed, as that's a key to KEEPING lean mass while you diet. If you are relatively sedentary (don't know if u are, it's an example), and you keep carbs to basically nothing, how do you propose a loss of fatty tissue while keeping lean mass intact? There is no encouragement by the user for either one.
So, if any of these apply, I'd get to workin' on em. All of them may not apply, but the ones that do may help........hope it helps!
~SC~