A very low calorie diet for someone who exercises 2 - 4 hours a day is not healthy or sustainable. It can impact your immune system, bone density and have other negative consequences to your health.
Any nutritionist would tell you not to restrict your calories any further. In fact, most would recommend you increase them with lean, nutrient-dense choices.
I'm concerned that your choices might not be contributing to your health and well-being. You might want to find a registered dietician in your area to work with. There's an online tool for finding one at
This will help get you you the information you need.