1. Not at all, it's a little complicated.
2. Normally, I would get them from Picking Winners by Andrew Beyer, but I'm at work, so I got them off somebody's personal website. The raw figures chart is a chart that Beyer has developed to assign a value to a certain time, before the speed of the track (variant) is factored in.
3. When you compare the raw figure of 100 to the actual figure of 94, there is a -6 point difference. What a figure maker will do is project what he/she thinks a horse will receive in a given race. If a horse consistently runs in the 85-87 range, and runs a normal race (decent trip, etc) then that horse most likely ran in the 85-87 range. If the raw figure came in at 98, then the race most likely had a a variant of -12. You do this for all of the races to figure out the days average variant.
4. Your welcome, I recommend reading Picking Winners, as that can explain it a lot better than I can.
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