Author: Djordje Vidanovic
Date: 15:29:53 07/10/05
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On July 10, 2005 at 16:32:28, Uri Blass wrote: >On July 10, 2005 at 12:36:49, Djordje Vidanovic wrote: > >>A couple of months ago I raved about the new Shredder 9. While I still think >>that Shredder 9 is amazing, the new Fruit 2.1 seems to have opened my eyes with >>regard to Shredder 9. While I was not quite sure how to account for Shredder >>9's playing strength at the time I posted here, now things appear clearer to me: >> Shredder 9 is the best *searcher* of all programs and its search was much >>improved at the expense of "knowledge". My original idea was that Shredder's >>author had coded more knowledge about space, tempi, some new extensions in the >>Q-search etc., but Fruit 2.1 and its evident success against Shredder 9 in their >>head-to-head battles on playchess.com have shown me that the secret of Shredder >>is definitely in its search. How else would a simple, efficient deep-searching >>program such as Fruit 2.1 (knowledge-wise simple:-)) manage to be in a dead-heat >>race with Shredder 9 for spot #1? >> >>Any ideas? >> >> >>Djordje > >I do not think that Fruit2.1 is simple. > >I did not learn most of it's evaluation and I hope that learning it's evaluation >will not only help Movei but also help me to be a better player(hopefully to the >level of 2200 fide rating). > >About myself: >I think that I am in the level of 2000-2050 fide rating at 2 hours per game or >90+30 fisher time control inspite of the fact that my last Israeli rating is >2103 because I have to admit that I had a lot of luck in my last tournament >games including winning on time against a player with 2100 from a lost position >with 30 seconds incresement only because he forgot to look at the clock). > >I also got amazing result of 9.5/10 against players with rating 1800-1950 when >in half of these games I came out of lost positions or inferior positions. > >Note that I expect to save lost positions against weaker player and sometimes to >win but what happened in the last israeli update is clearly above my >expectations and normally I do not expect to get more than a draw in endgames >when I am a pawn down and it happened twice. > >Uri Interesting personal memoir, I read it with pleasure. However, I fail to see a any connection between the topic I addressed and your description of your chess skill. I still think that Fruit lacks a lot in terms of knowledge and I am sure that its search is simple, elegant, and optimal. All of which explains its amazing depth and precision. To prove what I just said, please run the "Marathon" tactics test from the Chessbase suite and see how Fruit fares there. You may compare it to Fritz, which is, oh, what a paradox, now a program that comes with one of the largest chunks of chess knowledge. And I remember the days when Thomas Mally cried over its complete lack of knowledge, back in 1991 in the Modul magazine... I can see that Torsten agrees with me here :-) Djordje
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