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Seems like this idea of formulaic evaluation of CV's should be written up
on a page of its own. A thorough investigation of how the various popular
CV's fare under different formulas, and hence of how the formulas ought
to be interpreted, would take a lot more exposition than could be done in
comments.

The challenge is to come up with formulas that will not only 'predict the
past', by telling us what we expect them to tell us about well-known
variants, but that will also provide useful insights into new games. It's
far from obvious that such formulas could be found, but it would be quite
a discovery if they were.