 Complete the following phrase:  The World Cup scoring system is based on awarding a number of points for each place in a race, but the procedure for doing so and the often-arcane method used to calculate the annual champions has varied greatly over the years. Originally, points were awarded only to the top 10 finishers in each race, with 25 points for the winner, 20 for second, 15 for third, 11 for fourth, 8 for fifth, 6 for sixth, 4 for seventh, and then decreasing by 1 point for each lower place. To determine the winner for each discipline World Cup, only a racers best 3 results would count, even though there would typically be 68 races in each discipline. For the overall Cup, the best three results in each discipline would be summed. Until 1970, also the results of Winter Olympic Games races and Alpine World Ski Championship races were included in the World Cup valuation i.e. Grenoble 1968 and 