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Modified Michaels misexplained


jcrosa

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[hv=pc=n&s=sakth7daj32ckq863&w=s97654hkqj64dqt7c&n=sj82hat5d965cjt94&e=sq3h9832dk84ca752&d=e&v=n&b=2&a=p1c2dpp2n(%5B1%5D)p3nppp]399|300|(1) S asked the meaning of 2 (given as "natural, weak") before bidding 2NT[/hv]

 

This one is from a club MP tournament last night. Weakish field. E/W are a young inexperienced pair. They play a modified Michaels where 2 over 1 shows the majors (2 being natural), but E (the most inexperienced of the two players) forgot the system and took 2 as natural, preemptive.

 

TD was called by S at the end of the play. The table result was 1 down in 3NT. S claimed that he wouldn't have bid 2NT with the singleton 7 if given the correct explanation.

 

Your ruling?

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[hv=pc=n&s=sakth7daj32ckq863&w=s97654hkqj64dqt7c&n=sj82hat5d965cjt94&e=sq3h9832dk84ca752&d=e&v=n&b=2&a=p1c2dpp2n(%5B1%5D)p3nppp]399|300|(1) S asked the meaning of 2 (given as "natural, weak") before bidding 2NT[/hv]

 

This one is from a club MP tournament last night. Weakish field. E/W are a young inexperienced pair. They play a modified Michaels where 2 over 1 shows the majors (2 being natural), but E (the most inexperienced of the two players) forgot the system and took 2 as natural, preemptive.

 

TD was called by S at the end of the play. The table result was 1 down in 3NT. S claimed that he wouldn't have bid 2NT with the singleton 7 if given the correct explanation.

 

Your ruling?

Well firstly hasn't E shown some sort of 1165/1174 by passing W's Michaels, so shouldn't he avoid using the UI and lead a rather than a heart. Bidding 3 over 2N is not out of the question either.

 

If 2 is correctly explained, this is a nasty problem at this vul, as from S's point of view taking 250 may well be insufficient so I'm not sure what S will do, but I suspect the answer is X to show clubs the unbid suit and they'll play 3.

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I agree that west has abused the alert procedure, in this case probably a lack of an alert by east or NS asking and east offering the wrong explanation. If west operates under the assumption that his partner knew what 2 was and chose to pass anyway, then that would indeed suggest long diamonds and west should be considering attacking his side's "known" 9-card suit. I would probably adjust to 3NT making 3 on a diamond lead. I'm not sure if west should get an ethics lecture if s/he is really inexperienced but ought to be given some education on what the ethical thing to do might be. Or with that heart sequence does everyone think gotta lead a heart, wtp? Tough one. :)
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So, try two polls: first, what will South call after 1 2 p p and the correct explanation?

 

Two, what will West lead after the given sequence if East has described the 2 bid as majors?

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