[Retros] Originals from Silvio Baier's article

[Nicolas.Dupont at math.univ-lille1.fr]

> Economy criteria used:

> - The number of unthematic captures should be minimal (ideally 0)


It seems that, in fact, no game presents more captures than the number of
Pronkin's (except for some non-originals where one have to cut the end).

This is an interesting way of classification, although some tricky
combinations are probably impossible to construct without extra-captures.

Nicolas.