1. 26 pts slam

Even after take out double by opponent

Played on 02.10.2012,Dealer East, Opening lead H-A and then switch to C-K

Bidding
W N E S
- - 1NT
(14-15 & natural)
Dbl.
Rdbl.
(game going, in lieu of 2D)
P 2 spade
(natural)
P
4 heart
(Splinter in H)
P 4NT
(RKC in S)
P
5 heart
(2 key cards i.e. D-A & S-A)
P 5NT
(King asking)
P
6 club
(no king)
P 6 spade Dbl.///

Now if we interchange West and South hands, bidding will be as follows:

(ii) GAME:

Bidding
E S W N
1NT 2 diamond
(D.O.N.T.)
(2 suits D and one above)
3 diamond
(stayman)
P
3 spade Dbl. 3NT///

2. 30 pts Grand Slam

Utility of showing 5 card minor by 1NT opener when there is no 4 cards major on forcing stayman.

Played on 18.11.2004 Dealer North. Opening Lead H-Q

Bidding
N S
1NT
(14-15 & balanced hand)
2 diamond
(Forcing Stayman)
3 diamond
(no 4 cards Major but 5 cards Dia)
3 spade*
(Natural, 5 card S)
3NT
(No spade support)
4NT
(RKC in D. 5 cards suit shown by North. 4 Club will be Gerber.)
5 spade
(2 key cards i.e.H-A & D-K with trump Q)
5NT
(King asking)
6 diamond
(1 king i.e. either H-K or C-K)
7 diamond///
(spades to take care of club loser)

*No splinter in H because only 3 card support.