shihansmurf
Black Belt
I don't believe this is a viable strategy. Your body needs constant hydration, it's not like fat tissue that the body can simply store up and use later if needed. You have a limited tank of water that your body can hold. When it becomes depleted, you run into trouble. You cannot fill a reserve tank the week before, in preparation. That's just the way it is.
Well said. We aren't camels, after all.
Ultimately, you're going to have to decide if this grading is important enough to you to justify risking you're health. If is is, then I wish you all the best. If not, I wish you well searching for a training environment more suitable to your needs.
Mark