[mycroft]

(spots approximate, but relevant spots are correct) This is IMP scored swiss teams.

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You lead your singleton spade, to see the dummy shown. It goes small, Ten, Ace, then ♥Ace and heart to the K, then another heart to partner's Jack and your Queen.

It's your lead, from here:

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Analysis requested as well as your poll answer, especially from the intermediates.

Spoiler

Of course, it's a ruling. Your answers aren't going to affect anything, don't worry about it.

[pescetom]

I voted small D, but I fear it's late now: I would have led D6 at the start.

[P_Marlowe]

Hi,

if we assume South knowes, what he was doing, we know

Declarer has the king of diamond, the Spade Ace indicates he will also have the King of spades,
partner will have the Queen or the Jack.
From this follows declarer has at this moment 4 hearts, 2 spades, 1 club, diamond would present him
with the king.

I would go with a club and voted the king, for a club to be good, we need the Queen with partner,
the king attacks the last entry to the table, but it may remove a guess for declarer.

With kind regards
Marlowe

PS: Most likely I would also have started with a diamond, but spade is ok, as long as 1S showed 5+.

[mycroft]

(PS): it did promise 5.

[Douglas43]

Another spade. Oh...

[gszes]

Difficult to concoct a hand where the bidding (and play) makes sense AND we can set 3n. The seemingly unnecessary spade T at trick 1 looks like p showing something in clubs. FWIW
I would have unblocked the heart Q under the A at trick 2. Only the most master-minded individuals would jump to 3n with 3+ hearts.

[mycroft]

Okay, I've left this long enough, not getting any more answers.

Yes, of course you should unblock the heart. The fact that the player didn't gives a good idea of her skill level.

Not sure what initial diamond would do - declarer does have Kxxxx and partner JTx. IIRC, the spots were such that you can't run 4 diamonds and the heart from your side.

Also, of course, Marlowe has it right - 8 tricks, the ♦K is 9 at this point if you lead a diamond now. As it turns out, partner has the big clubs too, so it doesn't matter what club you play. Club = -1, Diamond = make.

And of course, this hand forgot to play the ♥Q, thus "unblocking" with the benefit of being able to cash the heart as well after running the diamonds.

The polling was hard as it was the last round, I was playing, and the ruling had already taken a long time ("finish the hand, was there a revoke, how many tricks taken at the table, clearly they'll take more, how many?) so finding players at her level was difficult (hence trying it here). What we got said "probably half and half, assign 70-30 make and -1". (Turned out basically any real percentage of making gave declarer the match, and there wasn't any overalls worry so the exact percentage didn't matter.)

Thanks for the interest.

[blackshoe]

What was the irregularity that required a ruling?

[mycroft]

 blackshoe, on 2024-April-16, 15:47, said:

What was the irregularity that required a ruling?

 mycroft, on 2024-April-15, 10:12, said:

And of course, this hand forgot to play the ♥Q, thus "unblocking" with the benefit of being able to cash the heart as well after running the diamonds.

[smerriman]

Do you mean they revoked instead of playing the Q? I still don't see an irregularity in what you quoted.

[johnu]

 smerriman, on 2024-April-16, 17:52, said:

Do you mean they revoked instead of playing the Q? I still don't see an irregularity in what you quoted.

The ruling is referenced in post #1.

[smerriman]

 johnu, on 2024-April-16, 18:25, said:

The ruling is referenced in post #1.

I'm sure I'm blind, but I still don't anything about what the irregularity was there - can you spell it out

[johnu]

 smerriman, on 2024-April-16, 18:50, said:

I'm sure I'm blind, but I still don't anything about what the irregularity was there - can you spell it out

Also post #7. I can't figure out what the irregularity was either. Maybe some type of bad claim???

[mycroft]

Yes. The player failed to play a heart to the third trick. Not only was it a revoke, it was one that allowed partner to get in and lead through the ♦K. And allowed the heart Q to cash later.

i.e. "forgot" to play the ♥Q.