Option B. Why not option A? - playing 4 games in the same setup simultaniously would be just monotonous. It would be harder to follow your pre planned strategy for your game this way, cause the games would mess up. I've got this tested in late Polish Leauge.
Following the same winning patern in the next round games is not the issue in my opinion, because optimal moves highly depent on other players actions, which would differ highly as the games progress. The optimal initial mine placement and boosters taken from game to game probably would be the same - but these decicions are rather obvious.
It like chess - the possibilities count in bilions. No worry in coping winning moves.










