I am a prolific board gamer (and have written reviews and ramblings for over a decade on my site) and only recently returned to serious bridge a few years ago.
I study systems and conventions more than is healthy, and have a regular partnership playing Polish Club.
One one partnership, it is asking for trump quality.
Kokish's idea makes a lot of sense(1) in Standard American where you can have a solid six card suit and ~16 HCP, but in a strong club context you'd open that 1C.
(1) Generally true statement in any ...
I played 2N as a minors, 5-11 ish. It came up once in two years. And while you may not "need" a strong 2NT opener (if playing Precision, etc) you will still get some benefit from it. It will nicely differentiate minimum balanced strong openers (17-19) from stronger ones (22 ...
Speaking as someone who works in document management software for a multi-billion dollar company, sometimes a late email is just a server being overloaded.
I doubt the ACBL has more than a simple windows box running its email.
I just went and grabbed a CC I used for scoring from the last club game, grabbed at my club.
There is a light 3rd seat opening box, but major openings are 1/2nd (same row) and 3rd/4th.
There is lots of variation among CCs.