Thanks for the replies, guys. The idea of a proficient bowler being able to adjust his/her equipment/game to the conditions at hand makes sense, at least to a degree. However, based on the specs for the Vertigo, there is no way I would drill it up to use on dry lanes - not even with a weak layout and the cover polished to a mirror finish. It just doesn't make sense.
I'll take that a step further. As a pro shop professional, it very unlikely that I could, in good conscience, recommend a ball that is being marketed as an oil ball to a customer seeking a dry lane ball, no matter what the proficiency level and/or versatility of the bowler. If that bowler is truly an expert, he/she would probably give me a funny look, and walk out of the shop.
Let's look at the other side of the coin for a minute. I would say that most people who have reached the top level of the game (expert) are going to build and maintain an arsenal of balls. That is one of the reasons that ball companies make balls that react differently. I submit that an expert bowler is more likely to buy more than one bowling ball from a manufacturer to fill out his/her arsenal, and therefore, it would behoove a company like Storm to taylor their Match Maker feature to make recommendations that make a bit more sense. They might end up selling more bowling balls that way.
Having said all that, I suspect that it would be difficult to come up with an algorithm to do everything I've talked about. I guess that's why there is really no substitute for the kind of service that a pro shop professional can give a customer.
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RW (THB)