Start with small deficit. Like two 10 kg plates..then move to 15 kg plates. You start from top position and not pushing out of the whole..I strongly believe you will make it. I just got back to those...my weight was too big..1 kg body weight matters 😂
Discussion
Oh, I misunderstood your term "deficit". That's counter-intuitive. Additional weight would be the opposite of a deficit, no?
I don't do any strength training with weights. Partially it's my bias due to my gymnastics background (our gymnastics-specific strength workouts with just our own body weight are already nearly impossible). Also I think the additional strain of weights just increases odds of injury.
For us, when a strength exercise gets too easy, we just add the next gymnastics modification to it to make it impossible again!
Push ups too easy? Do handstand pushups or work planche-push ups. Holding an L-sit too easy? Work a V-sit, then a Manna:
Deficit hand stand push up is a term from crossfit I think. It doesn't mean extra weight on the body but two plates or parallets on each side and your head goes between them so you "dip" below parallel/ 90 degrees/ of your elbows. Hope it makes sense. 