(11-19-2013, 06:36 PM)y2hood Wrote: It's not an average, but an algorithm. Certain sub grades carry greater weight.
+1 And it's not always the same subgrade that carries the great weight (I thought Centering always carried the greater weight.). It depends on the set and year, which subgrade carries the greater weight.
![[Image: Nolan_Ryan-Banner_zps9f1a8483.jpg]](http://i1204.photobucket.com/albums/bb406/nolan5714/Nolan_Ryan-Banner_zps9f1a8483.jpg)
Special Props to pyr0punk for this Amazing & Killer Banner!!