[zenbiddist]

You're West. Your LHO looks like a man with a good hand, so you jump to 3♣.

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He makes a 5 or 6 pause, then settles for 5♦.

What's your lead and why?

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NS are playing standard american, 15-17 NT, etc. Scoring is IMPs

[foobar]

Suspect most people will need more data, including:

• N-S system (ostensibly natural), NT range
  
• Form of scoring
  
• Any other known inferences

[zenbiddist]

foobar, on 2016-January-22, 18:51, said:

Suspect most people will need more data, including:

• N-S system (ostensibly natural), NT range
  
• Form of scoring
  
• Any other known inferences

OK I'll edit that in... thanks

[gszes]

club ace

P did al they could via preempt so they are not overly strong. That does not mean our spade KJ and their scattering of hcp cannot get 2 tricks. Club ace at least makes sure declarer cannot get rid of their club loser someway (if they have one) and it is unlikely the club ace will set up a trick for declarer and even if it does 1 trick may not be enough.

[nige1]

zenbiddist, on 2016-January-22, 15:40, said:

You're West. Your LHO looks like a man with a good hand, so you jump to 3♣.
He makes a 5 or 6 pause, then settles for 5♦.
What's your lead and why?

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I rank

• ♣A. Agree with Gszes. It's our suit and, judging by opponent's bidding, we might be able to cash a couple.
• ♦x. Passive. Might concede a tempo but unsure anything else is better.
• ♠K.
• ♥J.
• ♠x.

[Fluffy]

♣A, partner made a useless raise for something.