Author: Robert Hyatt
Date: 15:26:58 01/20/00
Go up one level in this thread
On January 20, 2000 at 08:48:16, blass uri wrote: >On January 20, 2000 at 08:25:49, Robert Hyatt wrote: > >>On January 20, 2000 at 00:45:56, blass uri wrote: >> >>>On January 19, 2000 at 21:13:19, Robert Hyatt wrote: >>> >>><snipped> >>>>Of course Kasparov did the same thing (h6 in round 6 is one that comes to >>>>mind, resigning in game 2 is another.) >>> >>>I do not think that h6 in round 6 was the mistake of kasparov in round 6. >>>The mistake is that he played something that he was not prepared to play. >>> >>>I read that he thought 15 minutes of his b5 in round 6 when the position was >>>known from theory. >>> >>>He could do the same at home in his preperation if h6 was a prepared line. >>> >>>Uri >> >> >>The position for b5 was 'known'. It was known to be lost. :) He didn't >>expect Ne6 most likely, but even if DB had played it, I'm sure he was convinced >>he could win, because he could beat Fritz with black. > >I do not think that he was convinced about it because he knew that deeper blue >is better than fritz and I am not sure that he was convinced that he can beat >fritz if fritz is using 24 hours per move instead of 3 minutes per move. > > >> >>h6 leads to a game that everyone considers dead lost for black. As a result, >>I would annotate that move as h6??, or perhaps against a computer, as h6?!. > >Not everyone. > >I did not consider it as dead lost and also deeper blue did not evaluate the >position as winning for white. > >If you look at Deeper blue logfiles you can see that deeper blue evaluated the >position after b5 as only a small advantage for white. > >Uri (a) I don't think he had any idea how strong DB was compared to Fritz. When asked about how he thought Fritz would do vs DB, right before the match at a press conference somewhere, he responded that he thought that DB would win maybe 70% or so. He was greatly off, as Hsu had previously reported. They expected to win over 90% of the games vs Fritz of that time-period, by a lot of testing in their lab. And that 90% was on deep thought hardware... (b) I don't think Kasparov got good advice, because either you or I (or Amir or any of a long list of others) would have told him "Don't plan on DB playing like Fritz at 3 minutes per move... let fritz run for a day or two on a position to get a real feel for what DB is going to see... Because some of us would have known how deep DB was searching. His closest advisers didn't seem to understand this... At least based on how he played. As far as "only a small advantage for white" do you remember the game I posted with Crafty vs an IM a few months back, where Crafty came out of book with a -2 score, but played a deep sacrifice (that was known in the position) and won? And someone (perhaps you) pointed out that this is a known win for white, regardless of the erroneous -2 eval? DB might not have understood, but most agree that after Nxe6 black has serious problems to solve, with no obvious solution in sight.
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