He personally managed to win even in difficult scenarios, including against opponents with full control.
Well, that's beside the point, here's another question/thought: couldn't we use software to provide complete control over the computer (something like Radmin)? Just in case, maybe someone doesn't want to go anywhere but wants to prove that they can play well and without cheats? (Although, for me personally, such proof doesn't have much significance in terms of the question of whether someone is a cheater or not, but there are people who think differently).