Let me offer a personal perspective on this...and let me stress that it's only my own opinion.
I don't want to compete with other writers here. There are a bunch of us who regularly post stories here, and who work together to share ideas, ask for and give advice, proof read each other's stories and so on. We help each other. We're all trying to make our own work into the best stories they can be, and to help others do that too.
Similarly, I try to encourage new writers here. The more the merrier and the better the quality of work that's posted here, the more we all benefit. I enjoy reading a great story as much as I enjoying writing.
It's not about who's the best. It's about creating enjoyment for ourselves, other writers and the readers.
There may be others who want to be part of a story competition, but I will politely decline.
Scrib