South won with the king, a good play, and cashed another top heart.
For the losing team, South immediately took dummy's two top hearts.
West led a top heart and shifted to a diamond.
So there is an argument for playing both top hearts immediately.
He played the top hearts, but the suit did not break evenly.
He would have done better to take his top hearts at the fourth and fifth tricks.
A beginner in the East seat might take his top hearts and allow the game to make.
Another top heart would have been a fatal error here.
East took his top hearts and played a third round, thus missing an opportunity.
The defense began with two top hearts and a heart ruff.