We had no end of probs with a middle of the range non o ring chain last year, adjusting every run , loosing clips even when siliconed on and wire tied...and stopping early as we figured it was getting dangerous, replaced it for WOS with a good non o ring and it was much better , a very liquid pressure pack oil helped too, the drying types don't seem to get into the links and pins properly
This year will be using a o ring chain, rivetted not clipped, lubed every run with a good quality oil and hopefully not having problems we don't need..