Ten-pin bowling regulations, identification letters and numbers, and general wear from normal use. For much of the history of bowling, bowling balls were made using a three-piece construction method. Starting in the mid-1990s, however, most manufacturers switched to a two-piece method. In response to these innovative ball designs, the American Bowling Congress placed further restrictions on the technical characteristics of the ball such as the radius of gyration and hooking potential. A game of bowling consists of ten frames. In each frame, the bowler will have two chances to knock down as many pins as possible with their bowling ball. In games
Ten-pin bowling is enjoyed by people the world over. In 1875, delegates from 11 bowling clubs in New York City and Brooklyn gathered to form the National Bowling Association (NBA) and adopt a set of standard playing rules. While they agreed on a uniform distance of 60 feet from foul line to head pin and the size of the bowling ball, there were many other disagreements, including scoring, that caused splinter groups to form. It wasn't until 1895, when prominent bowling leaders gathered in New York City to form the American Bowling Congress (ABC), that the bulk of the standard rules for