NASA plans to use Voyager 2 as a testbed for the update. If all goes according to plan, it will also send the patch to Voyager 1, which is currently more than 15 billion miles away from Earth, thus making its data even more valuable than that of Voyager 2.
22 hours each way. So 44 round trip
So 158,400,000ms
Maybe a little high for a CoD match…
Chess would work, people play that by international post.