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Never saw one of these before

#1 User is offline   Coelacanth 

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Posted 2011-May-09, 13:25

A common bridge puzzle is "what's the fewest HCP required to make a cold grand slam?" or the like. Of course the deals are always contrived. Or are they...? This showed up in the hand records last night.


NS have 14 HCP opposite 13, and with a successful diamond guess are cold for 7NT on any lead.

Of course, if they guess wrong they are going down a lot if the opening lead was a heart, but who would lead away from Qx against 7NT? Not that any of the other suits look particularly attractive...

As an aside, how would you bid the hands (South is dealer)?
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#2 User is offline   Gerben42 

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Posted 2011-May-09, 13:32

Nice one :)

1♣ - 1♥
1♠ - 3♦
3NT - Pass

+520
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#3 User is offline   BunnyGo 

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Posted 2011-May-09, 14:38

View PostGerben42, on 2011-May-09, 13:32, said:

Nice one :)

1♣ - 1♥
1♠ - 3♦
3NT - Pass

+520


I think my auction would be similar, but only +490 on a 4th best diamond lead...
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#4 User is offline   mike777 

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Posted 2011-May-09, 15:49

1c=1h
1s=3d(5-5)
4d=4h(rkc in d)
5c(2 deny q)=6d
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#5 User is offline   Cyberyeti 

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Posted 2011-May-09, 18:57

View Postmike777, on 2011-May-09, 15:49, said:

1c=1h
1s=3d(5-5)
4d=4h(rkc in d)
5c(2 deny q)=6d

3♦ for us is a splinter agreeing spades, so we'd have to bid:

1♣-1♥
1♠-2♦(4SF)
3♦(good hand, no sensible bid, only 4 spades and 5 clubs or any non broke 4045)-4♦(5 of them)
4♠(keycard, 4♥would normally be KC but could be an offer to play in this auction with a 4225)-4N(0/3)
5♣(Q♦ ?)-5♦(no)
6♦
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#6 User is offline   Free 

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Posted 2011-May-10, 01:53

1♣ - 1♥ (nat - nat)
1♠ - 2NT (nat - puppet to 3♣)
3♣ - 3♦ (obligated - GF 5-5
4♦ - 4NT (nat - odd number of keycards without ♠ cue and with ♥ cue (Kickback Turbo))
5NT - 6♦ (do you have ♦Q? - no)
pass

Remark: I believe South should know that partner has 3 keycards, otherwise he would just look for game and probably never show his 5♦s. If he thinks partner has only 1 keycard, then he can signoff in 5♦ and North will probably pass because he doesn't know if South passed because of missing keycards or because of a missing ♠ cue.
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