The form is full of other information that is relevent. In class's example, who are the jockeys? Is one of them Eric Cancel?
When each of the three horses wins, what is it's deceleration, how the win accomplished, easily, hard fought? How many races in the last 100 days, was the last hard race it's best in a while, but only tree weeks ago? WEhat are the running styles? Need the lead, early presser?
Most important what are the odds? Maybe even more important, what does the next race look like?
Handicappingis a puzzle. You need more than the corner pieces.