Author: Miguel A. Ballicora
Date: 09:13:36 05/23/01
Go up one level in this thread
On May 22, 2001 at 18:35:04, Chessfun wrote: >On May 22, 2001 at 02:37:46, Uri Blass wrote: > >>On May 21, 2001 at 22:45:50, Chessfun wrote: >> >>>On May 21, 2001 at 13:06:51, Andreas Schwartmann wrote: >>> >>>>I received an e-mail today asking me for help on GS 2930 test suite position >>>>#13. My chess abilities are not good enough, I am afraid, but what do you think >>>>about this? Here comes the mail: >>>> >>>>Andreas, >>>> >>>>I have been using the GS 2930 test suite to estimate the rating for the >>>>Deep Blue system. This is for use in a paper we are preparing. I >>>>downloaded the test suite from your web site. There are three problems >>>>that the system does not solve in 20 minutes. One of them in particular, >>>>#13, is not solved even for very deep searches. The given move is Bxg7, >>>>but Deep Blue Jr. gives a different move that has a somewhat higher score >>>>than Bxg7. The PV follows. Do you have any opinion on this? Thank you. >>>> >>>>Regards, >>>> >>>>Murray >>>> >>>>Rh5 Qc2 Qe7 Qb2 Ne5 Rc1 g4 Rf1 Kf1 Qb1 Kg2 Qe4 Kh3 Qb1 Rf5 Qf1 Kh4 Qg2 h3 >>>>Qa8 Rf7 +1.49 >>>> >>>>-- >>>> >>>>Any comments? >>>>Andreas >>> >>>Interesting. Just shows that Deep Blue Jr is still being worked on. >>>As for the PV if after Bxg7 from the mainline; >>>Kxg7, Ne5 Rfd8, Qh5 Bf6, Qg4+ Kf8, Nd7+ Rxd7, Rxd7 Qc6 >>>Black although down isn't quite out and I don't see much better >>>for white. >>> >>>Gambit 2.0 also likes Rh5 and after looking at the line posted by >>>Murray it seems to me this line is clearly won. I would like to see >>>Deep Blue Jr's analysis of the Qa8 move as the reply Rf7 wins AFAIK. >>>and Qe4 maybe would offer better resistance. No!! ... Qe4/ Ng6!! +- That is the real threat and that's why it plays Qa8. Regards, Miguel >>> >>>Amazing how Deep Blue Jr sees all that in 20 min especially move g4. >>>Though I am curious about it's final PV? >> >>Are you sure that it can see it in 20 minutes? >>I understood that #13 was not solved even after a very long search so it is >>possible that the pv is based on more than 20 minutes. > > >Naturally I have no way to be sure. But I would hope after long analysis >that the move Qa8 wouldn't be there. > >Sarah.
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