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 between members. In addition, affiliated to the BTBA is the Young Adults Club (YAC). University & College tenpin bowling is administered jointly by the British Universities Tenpin Bowling Association and the Tenpin Bowling Sports Advisory Group of BUCS (British Universities & Colleges Sport). Wales, Scotland and Northern Ireland all have their own governing bodies, with similar responsibilities to the BTBA for their respective regions of the UK. In the United States, the governing body of ten-pin bowling is the USBC (United States Bowling Congress). The USBC became the "administering organization" on January 1, 2005, after following separate groups merged: the