Author: Chessfun
Date: 19:45:50 05/21/01
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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? Sarah.
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