Ten-pin bowling The prior record was held by Chaz Dennis, 10 years, 3 months, 16 days, back in 2006. The prior female record holder was set by Brandie Reamy at the age of 12 years, 4 months, 11 days back in 2006. Note that all major tournaments are non-handicapped ("scratch"). The world champion is crowned at the WTBA World Championship held by the World Tenpin Bowling Association since 1954. The "Weber Cup" is the ten-pin bowling equivalent of golf's Ryder Cup. It is the world-famous major world tournament of Team Europe vs. Team USA bowling championships that happens annually. Other major world-famous
Ten-pin bowling if synthetic. The top of the pin shall have a uniform arc with a radius of . The USBC also has regulations governing the weight distribution of the pin from top-to-bottom. Pins are allowed one or two "voids" (holes) in the belly area (which can be viewed if the pin is cut in half from top-to-bottom). The voids are needed to balance the narrower top half of the pin with the wider bottom half. Without them, the pins would be too bottom-heavy to fall properly when struck. In addition, a standard regulation pin may lean no more than 10 degrees