Just pot luck with massive risk exposure. The contest rules should restrict risk to a few % of balance on every trade and also show more than 3 days of trading
Call it what ever you like, it doesn't change the fact that he was able to compound his profit, have very accurate entries even with risking 4.25% of his total account per Pip. You guys think that trading support and resistance is the way to making money in forex, well you have scalpers who can take massive risk and bank big time! This trader proved it.
My avatar explains "social trading" perfectly.