Train low, compete as high as you can get away with. You look INCREDIBLY limited in your dorsiflexion (ankle mobility). Fixing that would help your depth. Honestly, that looks so limited that I cant even tell if you have any other issues going on. You have a severe navicular drop (when the bulk of your ankle slips over/down into the arch of your foot). That will not only limit your depth and weight, its also dangerous as shit. Check this out and give it a shot:
Ignore the deathless performance thing. It doesn't exist anymore... because I killed it.