Personally, I would lean towards the lower figure if it was a 2 horse discission
because I feel the barrier plays a weaker roll of the 3 targeted items.

I would treat all barriers 10-20 as 10pts. otherwise I feel the final points could become way too slanted.

Have alook at the 1st & 2nd Favs barrier positions in some past results & it will show that they are nearly 50/50 but the wider barrier pays fractionally more longterm.

Cheers.

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Cheers.