And since it is impossible to achieve absolute precision in the formulation, we should provide several examples of typical blocking and non-blocking scenarios.
Also, we need to consider the specifics of the map. For example, on a CM or XL+U map, skipping a day or two is not a big deal, but on a Jebus map, it can be problematic.
P.S. 77 archers is an absurd block; I wouldn't even consider requesting a technical restart.