Board Game Arena

You said it yourself: they are top-players.
Sometimes you're lucky, sometimes your strategy is better, sometimes your opponent makes some bad decisions... A lot of factors can explain that, you don't need to imagine some extra help from BGA.

Maybe that's exactly what you should analyse before saying you should win more against anyone. It's all about your strategy which is not good in most of your games.

5 games against VladKha
Win Rate - 80%