Technological and industrial history of 20th-century Canada engineer, George de Mestral, velcro, a two sided fastening technology based on hooks and loops, was introduced to a number of countries, including Canada, in the late 1950s. In Montreal, Velek Ltd. acquired the exclusive marketing rights for velcro in North and South America and Japan. The format for sound recordings changed in the years just following the war. In the US, Columbia Records introduced the long playing (LP) 33 format in 1948. Columbia made an agreement with Sparton Records, of London, Ontario, established in 1930, for the manufacture and distribution of its LP records in Canada. Not to be
Tie-breaking in Swiss-system tournaments tournaments for individuals (not teams), FIDE recommends - in an Annex to the FIDE Tournament Regulations regarding tiebreaks: The Median system is also known as the "Harkness System", after its inventor Kenneth Harkness. For each player, this system sums the number of points earned by the player's opponents, but discarding the highest and lowest. If there are nine or more rounds, the top two and bottom two scores are discarded. Unplayed games by the opponents count ½ point. Unplayed games by the player count zero points. This is also known as the Median-Buchholz System . The Modified Median system is