Size and weight is very hard to beat when it comes to inexperienced fighters. It takes a lot of skill to defeat heavier opponents but it can still be done. The smaller person needs to utilize their strengths and not fall into trying to get to close to the larger opponent or else they will get rushed upon and put to the ground. This tends to be the first thing inexperienced fighters do.
As for your question anyone can win any fight, a fight is broken up into thousands of moments and it is who land that telling blow in that given moment. You can be dominant in every moment of the fight but take lose just one moment and lose the fight. Inexperienced people allow these moments to happen far to quickly. so the first one to gain control will win.
You are not giving enough details to make a true judgment. The size is irrelevant. Does any of the following have martial arts or boxing wrestling backgrounds? Yes this is a very vague description of both participants.
Well, If girl B decides to sit on girl A as some kind of crazy lock or pin or something. If girl A is smart, she will use her lightness to her advantage and stay quick on her feet. I'm betting on girl A.
They could fight 10 times and you could get 10 different outcomes.
Also how are you defining a "win"? Do you win by scoring more points? Do you win by running away and not taking any damage?
here is Brazil
In a fight between two girls both inexperianced fighters. Girl A is around 5'6 and 126 pounds. Girl B is around 5'4 and weighs more but less than 200 pounds. Who would win?
