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Do Inferior Plays have Values
Charles Matthews and I began this discussion in a footnote to Miai values list - 2.00 and more. I think it has been fruitful, and that we both have gained from it. :-) -- Bill Spight
(Assumes infinite White territory to the right.)
Bill: The problem is that it is not correct play, given the conditions. The monkey jump is. Yes, if you play it, you pick up 3 points. But values are based upon correct play. You assume that your opponent's play is correct to obtain a value. Yours should be, too. Charles OK - I think it would be useful either to have 'starred' status for something as conceptually basic as this one; or to include it in a footnote or other area. And to decide whether, for example, the comparison with the small monkey jump should be done on-list or off-list.
Bill: Conceptually basic, maybe. (It does depend upon infinity.) Miai value, no.
Look, if the miai value of
(Assumes infinite White territory to the right.)
But the miai value of Charles I feel I'm getting confused again... Try this. If this list is only for best play, that's fine. Then plays do come in pairs what Black does/what White does. We then have to include enough data in the diagram to know unambiguously what best play is - that is also fine, and should in most cases come out in the wash of evaluation. If I take Bill's point correctly the crawl in question is attributed 3.71 miai. I'll concede that this is a silly number because it (for example) says that Black having played the inferior crawl once might (next turn) see the error of his ways and play correctly play the monkey jump. Bill: Well, I do not attribute any miai value to the crawl. But if I did, how's this?
After Gee, that doesn't make much sense, either. <shrug> How do you measure a losing sente? I don't know. You are 3 points better off than if White played at 1. So maybe 3 point losing sente makes sense.
(Later): Actually, Charles, the more I think about it, the more it makes sense.
This is a copy of the living page "Do Inferior Plays have Values" at Sensei's Library. ![]() |