Please note that this article concerns the number of legal positions, not the number of legal games. The number of legal games is much higher, with a lower bound at googolplex, ie 10^(10^100).<p>See:
<a href="https:&#x2F;&#x2F;matthieuw.github.io&#x2F;go-games-number&#x2F;GoGamesNumber.pdf" rel="nofollow">https:&#x2F;&#x2F;matthieuw.github.io&#x2F;go-games-number&#x2F;GoGamesNumber.pd...</a>