Declarer won the Club lead, crossed to the
Queen of Diamonds and led the Knave of Hearts.
East covered and West had to
score Two Trump tricks to defeat the Slam.
The correct line, having won the Club and
crossed to Dummy
in Diamonds, is to lead a low Heart.
East's King is beaten by the
Ace and a low Heart is led.
West must duck or Declarer
will draw his remaining Trumps and cash his
Dummy's Knave of Hearts
having scored, Declarer can not play a third
Heart or West will win and cash Club tricks.
Instead Declarer crossed to
the King of Spades, ruffs a Club and cashes the
Ace and Queen of Spades, discarding his last
West has to follow to all
Declarer crosses to the King
of Diamond and lead the Ten of Hearts.
West wins the Queen, but Declarer can win his
return, draw his last Trump and claim.