a) indeed, but
b) Technically what constitutes "cheating"? A violation of the rules. &
c) We are at the ["lawless"] frontier stage of this technology. The reason it's not as easy to identify cheating among robots as it is among humans is, there are rules for humans. Less so if any for robots. What rule says a runner can't switch batteries mid-race?
Not uncommon for marathon runners to snatch an open cup of liquid refreshment to drink, somewhere along the 26 mile course.
Robots don't drink.
"There are many who hold that things break about even in life for all of us.
I have observed for example that we all get the same amount of ice.
The rich who get it in the Summertime, the poor who get it in the Winter." attributed to