Author: Uri Blass
Date: 23:37:46 05/21/01
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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. > >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. Uri
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