The South, like the nation, often makes a mess of race.

Now South makes a good move by allowing the king to win.

Now South has a complete guess, and will make his slam about half the time.

After winning, South made the key play of leading the heart king.

South now made what seemed to be a safety play for his contract.

South will have 11 tricks, but cannot make a 12th.

South was then in full control and made his slam.

South made his second wrong guess by continuing with a low club from the board.

South would make 620 or even 790 if East chose to double.

But consider what would have happened if South had made an orthodox pass.