For the record I keep a Brohamer model for every track I play by dist and surface. And they are effective especially identifying the factors that are winning now. The %med range is also very effective in seeing if a horse can go from a sprint to route etc. As for a profile I also use the Bris stats. The reason I feel comfortable with them is because I did compare them with the actual chart results and found that they are close enough to use and save me some extra record keeping. It's not hard to maintain a model. It takes me about 2 mins after each race to update my models. I'm old fashioned and don't use spread sheets preferring pen and paper. By updating after each race I can spot if the track is playing differently then my model and adjust accordingly.
Tim
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Trust but verify
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