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Jeebs:
With TrackMaster run up distances are accounted for whereas with Bris they aren't so depending on what your using makes a difference on those crazy 7.5 F races at GP.
Sartin has its own formula for adjusting cutbacks and stretch outs, generally 6 1/5's which has to adjust for turns & deceleration etc.
The old Ray Taulbot's adjustment I learned was that he used and recommended was 7 points (speed rating) for two turn adjustments and 3 points for one turn adjustments. This was to get a correct variant.
Adjustments make sense as horses have to slow down to run a turn or centrifugal force takes them wide to lose lengths on a turn.(more or less depending on the sharpness of the turn and banking) NY tracks tend to have more sweeping turns and not as sharp as a Pimlico.
With Taulbot these were adjusted to the speed rating or 1 length. Now I admit that an a adjustment by Sartin or Taulbot would be much more accurate for beaten lengths if considered by the actual distance being measured. However it makes absolutely no difference at all what one uses as long as it applied consistently.
I have always used 3 points or 3 lengths per turn adjusted to a turn eliminated or additionally has to be negotiated. Try that for Bris adjustments or on your Par charts
to see if that solves your problem.
Mitch44
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