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 interest of the game itself and like the US equivalent it ensures the integrity and protection of the future of the sport, providing programs and services and enhancing the bowling experience, including a coaching education and qualification system. The NAYBC (National Association of Youth Bowling Clubs) is responsible to the BTBA for organizing ten-pin bowling for the under-18-year-olds. There is also the Tenpin Bowling Proprietors Association (TBPA), the trade association for ten-pin bowling of Britain. For BTBA qualified Instructors and Coaches, the British Tenpin Bowling Coaching Association has been set up to help with the exchange of information and ideas