Hook-and-loop fastener Mestral's patent expired, prompting a flood of low-cost imitations from Taiwan, China and South Korea onto the market. Today, the trademark is the subject of more than 300 trademark registrations in over 159 countries. George de Mestral was inducted into the national inventors hall of fame for his invention. The big breakthrough George de Mestral made was to think about hook-and-eye closures on a greatly reduced scale. Hook-and-eye fasteners have been common for centuries, but what was new about hook-and-loop fasteners was the miniaturisation of the hooks and eyes. Shrinking the hooks led to the two other important differences. Firstly,
Swiss-system tournament ELEAGUE Major 2017 qualifier and the ELEAGUE Major itself. The format was also used for the "Dota 2" Kiev Major tournament in 2017. Overwatch Open Division also makes use of the Swiss system, as well as the Hearthstone Global Games tournament. Relatively few Go tournaments use the Swiss system. Most amateur Go tournaments, at least in Europe and America, now use the McMahon system instead. Swiss-system tournaments must start with very unequal matches in the early rounds—"slaughter pairing" is the name of one initial pattern used—if the Swiss pairing rules applied subsequently are to allow the top players to meet