Complex sentence: Straight pool, also called 14.1 continuous or simply 14.1, is a pocket billiards game, and was the common sport of championship competition until it was overtaken by faster-playing games like nine-ball (and to a lesser extent eight-ball).
Split into simpler sentences: Straight pool, also called 14.1 continuous or simply 14.1, is a pocket billiards game. It was the common sport of championship competition until it was overtaken by faster-playing games like nine-ball (and to a lesser extent eight-ball).