"White consistently wins slightly more often than Black, usually scoring between 52 and 56 percent. White's winning percentage[1] is about the same for tournament games between humans and games between computers."
Source:
https://en.wikipedia.org/wiki/First-move_advantage_in_chess
I think the following article is interesting (what I've read of it so far). I would like to know what happens, statistically, when two supercomputers play each other.
https://en.wikipedia.org/wiki/First-move_advantage_in_chess