No screens, MPs
North opened 1NT (12-14)
East Bid 2♦ alerted by west as "Both majors" (CC says Capp over NT)
South bid Dbl alerted by North as "penalty double of one or both majors" (prepared defense against Capp)
West bid 2♥ (no alert by East)
North passed
East now bid 3♦ alerted by west as "Must have diamonds, not majors"
TD was called facts were examined
South bid 3♠
All pass
Making 5 for about 40% of the MPs for NS and 60% for EW
TD ruled East used UI when he bid 3♦ but that the use of UI did not damage NS. Result stands.
Ruling appealed by NS claiming damage.
Ac ruled:
Result stands for NS, 30% for EW for using UI.
Dissenting opinion (me):
While it is almost clear that NS won't reach 4♠ after north opened a 12-14 NT the fact that the opponents bid 2♦ as majors certainly makes reaching 4♠ 100% impossible for NS. Without using UI East might raise 2♥ to 3♥ if pd has a heart suit,it is unclear if NS will double this.
I believe NS can not get 40% from a deal where a case of MI and UI usage occurred so my proposed ruling was:
Average+ for NS
-500 for EW in 3♥x (about 10%)
- Procedural penalty to EW of 1% of their session scoring for not knowing what they play over a weak NT. (It was a national tournament)
What do you think?

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