How do i lose weight fast? help me please?

Hey guys, ok I am trying really hard to lose 50lbs. I weigh 174 im a 5'6 and 17 years old girl. I am super athletic and muscular but have extra baggage that I want to get rid of. I play varsity bball and practice every day. I don’t like breakfast and I normally don’t eat till after school, then I binge eat and then go to practice then come home and binge again later at night. I feel guilty for eating things like chicken or just anything at all. I count calories like and obsession. I have been on a diet for what seems like forever. I have been binging and purging lately because my weights become an obsession but I know it’s not good for my heart. I am super unhappy and want to make a change. Any advice on what to say to myself to help me not binge eat, and just any advise at all would be helpful. I like would like to only eat around 1000 to 1200 cal a day. thanks so much.