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 play each other. In case they have played each other in a previous round, adjustments to the rankings are made. After five rounds of Swiss draw, the top 8 teams play three playoff rounds to determine the final placement of the teams. All other teams continue with the Swiss draw in the remaining rounds. The International Wargames Federation, the international body for wargames, uses a Swiss system for all its tournaments. For its Swiss implementations, players receive three points for a win and only one for a draw and no player can play against another player more than once. There