Jacoby 2NT is a treatment that needs to be buried.
I instead used this:
1H-2S/1S-3C as a art GF. Followups show min with and without shortage, nonmin with and without shortage and so on.
I also 1H-3S/1S-3NT as a 12+ to 16- with unknown shortage.
All of this is based on controls and losers. |