More MisIry Magic

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Dealer: East Vul: NS Scoring: IMP

♠ T653 ♥ A ♦ J97 ♣ AKQJ8 ♠ 9 ♥ 85 ♦ AK8652 ♣ 9652 ♠ 742 ♥ J932 ♦ QT43 ♣ 73 ♠ AKQJ8 ♥ KQT764 ♦ ♣ T4

West North East South

- ------ - Pass 2NT
Pass 3♣ Pass 3♠
Pass 4♦  Pass 4♠
Pass 7♠ All Pass

The misIry auction is quite "easy"

3♠ = H/S three loser, need club help. Responder is going to 6♠ at least over this
4♦  = no D control
4♠ = your club cover is working whatever it is, and I have both major queens
7♠ = AK of clubs is two covers, Ace of hearts is second, and I have long trumps
Results,

7SXX S 2940 16.47
7S S 2210 12.07
6SX S 1860 8
6S S 1460 1
6S N 1460 1
6S S 1460 1
6S N 1460 1
6S S 1460 1
6S S 1460 1
6S S 1460 1
6S S 1460 1
6H S 1430 0
5S S 710 -11.13
4S S 710 -11.13
5S N 710 -11.13
4S S 710 -11.13

The auction to 7Sxx was not "credible". It was, 1S-2N-4N-5S-6S-7S

The 5S bidder alerting 5S as two key cards plus trump queen (he didn't have trump queen or extra legnth). The 6S signoff, the 7S go to game with no idea if a keycard was missing, then redoubled. The other 7S was believable, with south making use of a 5D exclusion blackwood auction and relying on sufficient spades in dummy to handle his second club loser.