Im 165 lbs and about 30 lbs overweight so Im stocky but short at 5'3".
So I go up against some advanced belts a black and brown. Both of em probably outweigh me by 100 lbs give or take and were probably 6 foot or so.
I cant move em hardly at all. I try seio nage and hip throw, and try moving toward the uke after that fails with the technique that you turn and its almost like a tackle with you wrapping your leg around the back of his leg and drive him back, or the one where you drop down (from seio nage position) and grab the leg as your knee touches hooking around the outside and fall back. Neither of these had any success. I mean it barely moved em, and one maki komied me because I tried to counter and hurt my shoulder. Pissed me off as he fell hard on me and did hurt me.
Now I had sparred against guys more advanced and could move em around and put em in danger at least and thrown the ones my size or somewhat bigger, but these guys it was very difficult to move em at all and I dont have any experience trying to throw guys this big(resisting) not to mention at this rank.