[bluecalm]

Scoring: MP

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Bidding :
pass 1♥ - pass - 1[♠]
pass 2♣- pass - 3NT, all simple and natural;

I lead A♣, partner played 4♣ (udca), declared played a 7.
Second trick : I played K♣, partner played 2♣.

Now we don't have solid agreements here. We signal as loud as possible and ww know for sure that 2nd card is suit preference (if partner had 432 he would use 3 and 2 as SP). We are not sure what we would play if we had nothing in both H/D. One of the points of me posting this is to start discussion about such agreements.

What should I play now ?
What should partner signal holding say Kxx and no other significant honor. What he should signal holding both red kings ? What about Kh and Qd ? (not possible on this layout). Do you have agreements in similar situations in your partnership ?

[Hanoi5]

It is very nice to play UDCA or whatever, but if you lead dummy's suit against NT and dummy comes up with 5 to the JT9 I believe your partner should give you a suit preference signal. Or not an attitude signal anyway.

I would have led ♣Q and upon seeing dummy I would have continued with a small diamond. Which might as well be the best opening lead, I think.

[bluecalm]

Quote

It is very nice to play UDCA or whatever, but if you lead dummy's suit against NT and dummy comes up with 5 to the JT9 I believe your partner should give you a suit preference signal. Or not an attitude signal anyway.

Fine, that makes sense. Feel free to comment what would you signal with various holdings I outlined in my first post.

[gnasher]

Why did you play a second round of clubs? That costs on all sorts of likely layouts, eg KQ10x Qx AKxx xxx.

Declarer's most likely shape is 4=2=4=3. With five spades or four clubs he might have bid Fourth Suit Forcing; with five diamonds he might have responded 2♦ originally.

I'd switch to a diamond at trick two. Even if that loses to the jack, it may not cost a trick, because it may cut declarer off from a spade trick.

[ceeb]

I'd be inclined to play my top spade at trick 2. With weak diamonds declarer might have preferred a slower auction, so there's a good chance spades is declarer's weaker suit and that a diamond play will be more productive from partner's side. Besides, if declarer has say Q10xx,KQ,AKxx,xxx the best thing is to kill the dummy.

[hanp]

Agree with gnasher, the second club seems strange.