Bridge by Steve Becker
You don’t have to be a great mathematician to be a good declarer (or defender). All you need is the ability to count to 13. Consider this deal where West leads the Q-J of hearts, which South allows to hold, and then shifts to a low spade. It is certainly reasonable for declarer to conclude at this stage that West started with exactly two hearts. South wins East’s jack of spades with the ace and plays a diamond to the queen. East takes the ace and returns a heart to declarer’s ace, on which West discards a spade. When South next leads a diamond to the king, West discards a ...