Author: Bruce Moreland
Date: 18:32:31 04/19/99
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On April 19, 1999 at 21:30:23, Bruce Moreland wrote: > >On April 19, 1999 at 20:24:44, Jeremiah Penery wrote: > >>Which ones do you think may not be completely sound? > >The orignal r.g.c. posts I have about this test set contained some information. > >Deep Thought II solved them as follows: > > DT >1 6/8hr >2 2/3min >3 --------- >4 2.5/3.8hr >5 2/4hr >6 --------- >7 6/12hr >8 --------- >9 --------- >10 2min >11 5min > >It's a little weird to read this list. The first entry, "6/8hr", means that DT >would play it after 6 hours, but resolved the fail high after 8 hours. > >It didn't find four of them. > >Hsu claims that 3 and 6 are sound "positional" sacrifices. > >He thinks that 8 may be flawed because the opponent in the real game defended >poorly. I accidently pressed "submit follow up", apparently. Anyway, to continue, I can't figure out what he thinks about 9, but DT II didn't find the answer to this one, it preferred to play 1. Nf6, eventually with a slightly positive score. I think that it is fair to say that the ones that it finds are probably sound, while the ones that it doesn't find might not be sound, or are at least extremely difficult. bruce
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