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Kevin Pacey wrote on Sat, Mar 9 01:26 AM UTC in reply to Fergus Duniho from Fri Mar 8 09:28 PM:

It's easier, yes. A problem can surface if ever in a game you have the choice of making 2 for 1 or 3 for 1... trades. Then, for example, in chess it would not help you that you knew that P<N<=B<R<Q, if you want to know with some degree of confidence (or at least an intuitive feeling) that N+P is normally close to worth a R, or whether it's N+2P that is is normally much closer to worth a R - that is with all other affected features of the position at hand being in some kind of balance after making such a trade.

In fact it's usually N+2P, maybe during any phase of a game (if that is also to be taken into account). A (more advanced/different?) tip I've read is that (if I recall right) B+2P are usually worth R, and N+2P are a shade less than a R. Already H.G. might argue that computer studies (not just his) put single N = single B in (8x8) chess - however he might say that things are different for such (3 for 1) trades, because more units are involved, so no loss of face for anyone necessarily in such a case, for those who intrepidly try to assign (or offer to fine-tune) fairly precise piece values. In my case, for chess variants rules pages I've made, I add the caveat that my suggested values are tentative, hopefully wakening any adult who still has a child-like faith in the written word (I'd personally make an exception for a given version of bible, but perhaps even then mistranslations might have happened in some cases).


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