Challenge Hand: 2018-02

[playhand]AK875.J5.AJ985.6 Q92.AKQ32.K.AJ42 T43.T9876.432.75 J6.4.QT76.KQT983,1[/playhand]
[auctioncomments]|1||2||3|Shows four+ spades and 6+ points.|4||5||6||7| Partner's jump shift has shown a maximum two suited hand. Show your diamond suit. Any bid is forcing to at least game.|8||9||10||11| Partner will have three spades and therefore shortage in diamonds. Check for controls via Blackwood.|12||13||14||15| Partner has shown two aces, so ask for kings now. (This guarantees all first round controls).|16||17||18||19| Partner has two kings.Choose the small or grand slam!|20||21||22||23| [/auctioncomments]
[cardplaycomments]|1|You have twelve tricks, even if the trump suit breaks 4-1. Don't assume five tricks in hearts. Safest play is to ruff a small diamond after playing two rounds of trumps.[/cardplaycomments]