There are some kind of matches that take more than that: https://en.wikipedia.org/wiki/Correspondence_chess https://en.wikipedia.org/wiki/Correspondence_chess

There are some kind of matches that take more than that: https://en.wikipedia.org/wiki/Correspondence_chess https://en.wikipedia.org/wiki/Correspondence_chess I know you've said "other tools" (like miniboards) but even in your head, more time is an advantage. Edit: I wouldn't play a match with five hours time, not even for the whole game. I take that "five hours" was hyperbole.