Cyberyeti, on 2021-May-14, 03:45, said:
What stayman and 3♥ is depends on what 1N-3♥ is, 6 bagger inv is not impossible.
It's not impossible, but I think it's a quite inferior treatment in a 2-way stayman system. The problem is, not playing transfers, a hard hand to bid is 6+ major slam inv. It's really nice to have the old-fashioned 1nt-3M forcing and slam inv available for that. The problem is if you don't have that available, and have to go through 1nt-2d, partner bids like 2nt/3m, you bid 3h, this has to handle all your bog common gf 5 cd hearts, partner can't cooperate intelligently knowing you have 6 bagger slam try instead of the much more common weaker 5cd GF hands.
So I really recommend 2c then 3h over 2s as inv 6+, if playing 2-way stayman. (Over 1nt-2c-2d, I just invite at 2 level, saving 1nt-2c-2d-3M for 5-5 major hands which are also difficult to handle playing 2-way).
I have a partnership with an ancient partner who doesn't want to play transfers, so I have thought about/encountered these issues.