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Subject: Re: Att. Uri Blass Re.: chess engines for CC

Author: J.Dufek

Date: 04:27:18 09/13/05

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On September 13, 2005 at 04:27:13, Alex Shalamanov wrote:

>On September 13, 2005 at 01:52:05, J.Dufek wrote:
>
>
>>Bad impression. Lot of my analysis i made with Fritz, because my opponents play
>>with him. But results are very very bad. It's only about own experience - you
>>have maybe very good results with Fritz, because he understand yours positions,
>>but for my work (pls look at iccf.com for my rating) is uselles. 3 months ago i
>>analyzed one my corr. position - he offer for opponent 3 or 4 moves (totaly
>>different) with evalution 0,00. This is not only one position...
>
>If you mean Fritz 8X3D, I would agree that it's not strong enough because it was
>the earliest version, but I prefer analyzing with Fritz 1.2.0 (Bilbao) or Deep
>Fritz 8. They are more sophisticated than the predecessor. Of course, the style
>I use (developing complicated acute positions) may count too, but on the whole
>I'm quite happy with DF8. As a proof I can present a position arisen in ICCF
>WS/M/003. What we'are having now, is a complicated endgame.
>The game is still going on but I'm sure it's dead won, so I'm giving it now.
>[D] 7k/3r4/2rN1p1p/2P4P/1P1p4/P2bpKR1/6P1/2R5 w - - 0 56
>
>I've analyzed this endgame with different engines (Shredder 9 UCI, Fruit 2.1,
>Hiarcs 9, Fritz 8 Bilbao, Deep Fritz 8) but it's only DF8 that produced the
>correct easy winning move sequence: 56.Rg4 Rdxd6 (56...Rcxd6 changes nothing
>much) 57.cxd6 Rxd6 58.Rc8+ Kh7 59.Rc7+ Kh8 60.Rgg7! +-
>I don't know, if the hardware counts here (Celeron 333/128MB RAM) and with the
>better hardware other chess engines would also find the sequence, but with what
>I have this engine seems to work best of all. The other engines proposed 60.a4?!
>as the best move.
>
>Kind regards,
>Alex

maybe i am wrong, but:
- it's no good provide this on only one positions (it's no problem present
another position with reverse result, and i have it)
- with only quick test, i setup this positions with Gandalf6 + ChessTiger 2004,
he immediately found 1.Rg4 as best move, Shredder 9 CB found this too, but after
56sec preffered 1.Rd1 and then with time 2:00 found back 1.Vg4 (no problem,
+3.40 score
- corr. games are not about finding one move in position, because you need found
 less or more long variation... i don't know previous moves in your game, but
you must have this position maybe 10 moves earlier on chessboard....




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