The only real difference between these three closely related games is the number of pieces.

He also composed a number of pieces for the show.

They've cut down the number of pieces and sizes you can travel with.

Though she sometimes makes a number of similar pieces in a series, each one is unique.

The number of pieces determines how many children the couple will have.

In this same period he wrote a large number of dramatic pieces.

I've shown and sold a great number of pieces I wouldn't care to have in my home.

In modern practice the number of pieces is nearly always even.

The only difference between the three games is in the number of pieces.

Furthermore, the number of pieces is different for each player.