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[bluebooger]

isn't that the same for every sport ?

women's gymnastics :
the first parallel bars of the competition may look great, but you can't score it a 10 because something better might come along
so you score it a 9.8

then everything after that is judged not only own its own merit, but also on the previous performances
the 5th performance my be great, but considering we gave the first gymnast a 9.8 can we really give this gymnast a 9.9 ?
so we can only give her 9.8 too or maybe even a 9.75

to get a 10 after many gymnasts have performed means not just having a great performance, but having a far greater performance than anyone who has come before you