Well, I've read that other PbP GMs try to keep things from stagnating by having new stuff and moving the story along once a (real-world) week.  I've been considering doing that.<br/><br/>For the purposes of a duel, you could forego the die rolls and focus on single-post wrap-ups.  Doubly so for infrequent posting schedules and character builds which might result in protracted combats.<br/><br/><del>The next event will take place the next day, just so you all know.</del><br/><br/><strong>Edit:</strong>Sorry, see post below.