He played the top spades, knowing that the queen would appear from somewhere.
The top spades were cashed, and a heart was surrendered to the king.
Luckily for her, West did not lead a top spade but the heart ten.
South could then play the remaining hearts and the top spades before leading to the club nine.
The position was this: South cashed his top spades and led the last club.
He plays three top spades, expecting to claim his game, but then has to think again.
The defense took the top spades and led a third round, establishing a winner for West.
Trade South's six for West's seven, and the game could have been made by leading a top spade at the second trick.
A club was led to the ace and two top spades were cashed.
He now landed in six clubs doubled, and West naturally led a top spade.