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Fourth Suit Forcing


bridgbum

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Robot's hand:

 

Q54 AQJ87 J986 Q

 

Robot is dealer.

 

1h 1s

2d 3c <--- fsf, robot says. game force.

3h <-------- why not 3s to show 3-card support?

 

Here's one auction that occurred:

 

1h 1s

2d 3c

3h 3nt

4s <-------- why did robot delay showing 3-card support?

did it treat its good heart suit as a 6-card suit??

Unlikely, I would think.

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Looks like a bug to me... the explanation of 3 clearly denies three spades, and doesn't show extras in hearts, since it could be 2542 (or 1543?) without a club stopper.

[hv=bbo=y&lin=pn|amr777,~~M27688,~~M27686,~~M27687|st%7C%7Cmd%7C3S3678AH4KD7QAC45J%2CS2TJKH9D4TKC3678K%2CS45QH78JQAD689JCQ%2C%7Crh%7C%7Cah%7CBoard%201%7Csv%7Co%7Cmb%7C1H%7Can%7CMajor%20suit%20opening%20--%205%2B%20%21H%3B%2011-21%20HCP%3B%2012-22%20total%20points%20%7Cmb%7Cp%7Cmb%7C1S%7Can%7COne%20over%20one%20--%204%2B%20%21S%3B%206%2B%20total%20points%7Cmb%7Cp%7Cmb%7C2D%7Can%7COpener%20two%20rebid%20--%203-%20%21C%3B%204%2B%20%21D%3B%205%2B%20%21H%3B%203-%20%21S%3B%2011-16%20HCP%3B%2012-18%20total%20points%20%7Cmb%7Cp%7Cmb%7C3C%7Can%7CFourth%20suit%20forcing%20--%204%2B%20%21S%3B%2013%2B%20total%20%7Cmb%7Cp%7Cmb%7C3H%7Can%7CNo%20stoppers%20to%20bid%20--%203-%20%21C%3B%204%2B%20%21D%3B%205%2B%20%21H%3B%202-%20%21S%3B%2011-16%20HCP%3B%2012-18%20total%20points%3B%20at%20best%20partial%20stop%20in%20%21C%20%7Cmb%7Cp%7Cmb%7C3N%7Can%7C5-%20%21H%3B%204-5%20%21S%3B%2021-%20HCP%3B%2013%2B%20total%20points%7Cmb%7Cp%7Cmb%7C4S%7Can%7C3-%20%21C%3B%204%2B%20%21D%3B%205%2B%20%21H%3B%202%20%21S%3B%2011-16%20HCP%3B%2012-17%20total%20points%3B%20at%20best%20partial%20stop%20in%20%21C%20%7Cmb%7Cp%7Cmb%7Cp%7Cmb%7Cp%7Cpc%7C]360|270[/hv]This is also another example of the spastic explanations of NT bids. 3N should include "2-", not "5-" as well as include a stopper.

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