Gary, i get what you are saying, and in fact in the first scenario i would be backing the 1 and 3

I will explain in detail how i have set this up for betfair

I rate the entire field, any rated runner above my rated price of $15 is excluded, now we take a look at current prices, any runner that has a current price 20% above my rated price we keep, with the remainder i am dutching these at my prices, so if i have a runner rated @$3 but is paying $15 i dutch at the $3 price, so the value is in the difference between mine and there's

I couldn't tell you if the runners above 3rd position are profitable or not, don't have stats for those.

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