A deal from the Swiss Teams at the Spring Fours.
Phil Taylor opened one diamond then, when Peter Grauer responded one heart, he showed a shortage in clubs and strong heart support with a jump to four clubs. After a couple of cue bids Peter used Roman Keycard Blackwood. With all the key cards and a void and the queen of trumps and a known control in diamonds opposite Phil just bid the grand slam.
On a club lead Peter ruffed the club in dummy, played a diamond to the king, a spade to dummy, ruffed a diamond, another spade to dummy, another diamond ruffed and overruffed and then was able to draw trumps and claim when everything broke reasonably.
Well done. Is this a good grand? It needs trumps 3-2 most of the time, diamonds 3-3 or queen doubleton or diamonds 4-2 with North having the length. It also needs spades to break 4-2 or 3-3. All this is quite a lot, so it is probably anti-percentage, but not by much.
Thanks to Phil Taylor for reporting this deal