OSOB0173

 Jump Overcalls (Advancing partner’s jump overcall)

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[playhand]A876.K986.T972.6 QJT954.72.8.QJT7 K3.AQJ.QJ54.9843 2.T543.AK63.AK52,3[/playhand]
[auction]P.1d.3s.X.4s.X.P.P.P.[/auction]
[auctioncomments]|1|Nothing to say.|2||3||4||5| Try raising partner's preemptive overcall here, giving East/West a difficult decision.|6||7||8||9|Nothing to say.[/auctioncomments]
[contract]4s[/contract]
[declarer]north[/declarer]
[cardplay][/cardplay]
[cardplaycomments]|1|If the !sK and the !hA are with East then you have good chances. But you may lose two club tricks.[/cardplaycomments]
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