All the follow on calcs are 10% increases each step in size:
Novice Regular yps (as an example):
Large must run 2.75 yps to qualify.
Medium must run 2.75/110% = 2.5 yps.
Small dogs must run 2.75/(110%)(110%) = 2.27 yps.
Take course yardage divided by required yps to qualify and that's the time to beat.
Clear as mud?
James
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Syntactically, the calculation for small dogs is incorrect: 2.75/(110%)(110%) = 2.75
Even so, taken your expression to mean 2.75/[110%)(110%] = 2.27, I believe you have interpreted the rule incorrectly.
From the exhibitor's handbook:
Medium dogs and Large Vet/JH dogs shall receive 10% more time than the large dogs for each level.
Small dogs and Medium Vet/JH dogs shall receive 20% more time than the large dogs for each level. Your calculation gives small dogs 10% more time than the medium dogs, which is not the same as 20% more time than the large dogs.
Using 1.2 = 120%, the novice small dog calculation would be 2.75/1.2 = 2.29 YPS. On a 100 yard course, that is a difference of 0.38 seconds.
Generally,
Large dog YPS / 1.1 = medium dog YPS
Large dog YPS / 1.2 = small dog YPS
Tom