TTR Pro Snowboarding and the World Snowboard Federation together announce the official qualification criteria for the 2012 World Snowboarding Championships set to take place February 11-19, 2012 in Oslo, Norway at the Tryvann Vinterpark resort arena. The World Snowboarding Championships will be held every four years and will host halfpipe and slopestyle competitions that will crown world champions for men and women in each discipline. Athletes will qualify for the World Snowboarding Championships through the Swatch TTR World Rankings and WSF National Quota.Below is a complete breakdown of how riders will be able to qualify for the inaugural 2012 World Snowboarding Championships beginning with competitor field size, moving on to minimum requirements for all riders and specific criteria, which will guarantee riders a spot to compete. Rider Field Sizes at the World Snowboarding ChampionshipsThe World Snowboarding Championships will have a maximum of 240 spots available for male and female athletes to compete across both slopestyle and halfpipe disciplines. The estimated field sizes will be 90 riders for men in each discipline and 70 riders for women in each discipline. Minimum Requirements to QualifyThe TTR and WSF have developed a per discipline world ranking where riders are ranked in a Halfpipe World Ranking and in a Slopestyle World Ranking. In order to participate in the World Snowboarding Championships, riders will need to fulfill the minimum requirement of being ranked in the TTR Top 500 for men and in the TTR Top 250 for women in each respective discipline ranking. The Halfpipe World Ranking will include all halfpipe and quarterpipe competitions and will rank riders who have competed at least once in one of the formats. The Slopestyle World Ranking will include all slopestyle and big air competitions and, as above, will rank riders who have competed at least once in the formats. A riders position on each world ranking list will be determined by the average of his/her best three results for the Halfpipe Ranking and best four results for the Slopestyle Ranking over a rolling 52 week period.QUALIFICATION CRITERIABelow are the four different ways in which riders can guarantee a spot to compete in the World Snowboarding Championships after meeting the minimum requirements outlined above.