The big advantage the punter has over the bookie is that he doesn't have to bet on every race.
In the race you mention, most sensible systems would not have had a selection in this race for two reasons-

(1) Odds on look on
(2) Don't back a system horse if there is an odds on shot in the race

Therefore we didn't win but importantly we came out square

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When I want to understand what is happening today or try to decide what will happen tomorrow, I look back... Omar Khayyam-1099