In modern bidding, it's common to play Jacoby 2 NT, or any other meaning of a game force hand with full trump support. Just like in an undisturbed bidding sequens. not only if 2 NT are with a jump, but any 2 NT bid.
eg. 1♥ , 2♣ ...
I disagree with the first 2 calls from east.
1 pass, a clear cut 2 ♠ bid.
The 3 ♠ bid, you know the problems not will be solved, and as we see. Here we go again. The only thing we know, after p doble of 4 ♥, he have ...
2 bid 2♦ on this hand, to show both majors? Has in my openion nothing to do with bridge, should be reported to the conventions police as abuse of the convention :-) See partner bid 2 ♥ with 3/3/5/2 no way.
2 ♠ over 1 NT end ...
First disagree with the double. 2 NT as take out!
It is a Lebensohl bidding. Importen to know, if there are point or not. 10 - 11 + 3-5 = game our way.
6♠
I totally disagree with the first pass. A jump to 4♠ show 9+ tricks.
So i have been on the slam road first time.
Now ops came with a rescue ball, and i try to make up on my previous fails. There are no meaning to bid ...