Ten-pin bowling ball contacts only the 1, 3, 5 and 9 pins; for a left-hander, the 1, 2, 5 and 8 pins. In order to count, a pin must be knocked over entirely. If the pin is wobbling as the automatic pin machine picks it up (or the machine itself knocks over the pin while it is wobbling), it is still considered standing and is not scored. Also, if a pin is moved, it does not change its designation. For example, if the 10 pin were still standing and the 7 pin slid into the 8 pin position, converting this spare would
Ten-pin bowling In Britain "Mintel International Group Ltd" produced a "Market Research Report" in July 2004 which gave the UK's Tenpin bowling sales and market by sector from 1999–2003 and also the type of customer. The Indian Tenpin Bowling Association (ITBA) produces the magazine "Go Tenpin". However, it is not specific to the United Kingdom and is highly respected around the globe in ten-pin bowling circles. (The final issue of the magazine was August 2009 it has been superseded by an online e-zine). The United States Bowling Congress (USBC) publishes a magazine for its entire membership called "U.S. Bowler". Other widely acclaimed