More of a reference to actobash, but one split a night and only a couple opens..? Um, you're talking nearly professional level there.
No I'm thinking most 200+ bowlers on a typical house shot. Far from professional level. These goals are far from the professional level's quest when they go out onto the lanes. This expectation should be NORMAL for all those averaging over 200.
At this level you are talking not just spares (because they are a given-- NO MISSED SPARES), and maybe one mistake a set that gives you a split. Knowing that the "mistake" has area that doesn't totally penalize you unless you really miss big. But this is not even close to what the PBA Touring players do on a week to week basis. Because they see vastly more changing conditions and those conditions are far from the house shot that league bowlers are given.
This is part of the problem with bowling and how its perceived even by its random players. Most bowlers that bowl league have no idea of what kind of conditions can be put out there to stop their scoring pace. Not just stop it, but eliminate it, with just one pass of the oiling machine.
Its not the bowlers' fault. They get channelled into conditions that the house puts out from week to week. They get comfortable. And they forget some of the aspects of adjustments and change that they might have normally used in years past. A good center manager knows how to keep the conditions steady and the bowlers happy. But that doesn't mean those same bowlers can excel in the center 10 miles down the road.
Erin