[32519]

This was a completely random deal. East opened 2♣ promising 22+ HCP. South, completely bored, decided to bid 2♠ on this dreck intending to escape into 3♣ after the expected double. This was the hand:

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West led the singleton ♣9 won with the Ace in dummy. Declarer led the ♠4 from dummy at trick 2. East went up with the Ace expecting the ♠Q in declarer's hand. Now the contract was home, albeit fortuitous.

[Codo]

So south got a good board after finding a double fit and at least one opp who do not know what a double of 4 ♠ shows. Yes these things happen.

[P_Marlowe]

32519, on 2012-November-28, 01:45, said:

This was a completely random deal. East opened 2♣ promising 22+ HCP. South, completely bored, decided to bid 2♠ on this dreck intending to escape into 3♣ after the expected double.
<snip>

Why?

3C has to play 2 tricks better than 2S, to make 3CX better than 2SX, does he knowes this?
For all he knowes, parter could have xx / xxx in spades and x in clubs.

With kind regards
Marlowe

[cloa513]

P_Marlowe, on 2012-November-28, 03:37, said:

Why?

3C has to play 2 tricks better than 2S, to make 3CX better than 2SX, does he knowes this?
For all he knowes, parter could have xx / xxx in spades and x in clubs.

With kind regards
Marlowe

That's hardly a consideration when playing in a green mode over a strong opening. South has to hold a wildly distributional hand with few HCP, North should redouble to let South know whether to move over the double.
East double is inconsidered- assuming West can double some HCP definitely with an ace then East should bid 4NT to say two places to place and West easily pop in with 5D.

[Zelandakh]

32519, on 2012-November-28, 01:45, said:

South, completely bored, decided to bid 2♠ on this dreck intending to escape into 3♣ after the expected double.

North next corrects to 3♠ with their 1561 hand. What now?