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Subject: Re: My dubious victory over Hiarcs 7.32

Author: Terry Ripple

Date: 20:02:44 08/11/99

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On August 11, 1999 at 22:01:58, Terry Ripple wrote:

>On August 11, 1999 at 13:17:38, Ralf Elvsén wrote:
>
>>On August 11, 1999 at 08:35:52, blass uri wrote:
>>
>>>On August 11, 1999 at 05:59:25, Ralf Elvsén wrote:
>>>
>>>>Hi there
>>>>
>>>>Here is a game I won against Hiarcs 7.32 (pgn below).
>>>>Mighty proud to have fair and square defeated the "superstrong"
>>>>Hiarcs, I looked at the game in analysis mode, but on a different
>>>>computer and now I am perplexed...
>>>>
>>>>The game was played on computer A (see below). When analyzing on
>>>>computer B I noticed that the analysis is much faster on B, much
>>>>more than I would expect from the hardware. What is even more
>>>>strange is that the evaluation of the position on the two computers
>>>>are sometimes very different. Computer A is much more pessimistic.
>>>>For instance, after 14. Kh1 Hiarcs played 14 ... Bd7 in the game
>>>>with an eval of 0.61 (positive good for white = me) after search
>>>>to depth 10. On comp B the eval is around equality and Bd7 is move
>>>>nr 4 in the analysis candidate list after depth 10, eval = 0.00.
>>>
>>>My hiarcs on p200 got Bd7 0.61 9/27,0.68/10/30
>>>I stopped it after more than 10 minutes and did not give it to finish iteration
>>>10.
>>>I suspect that the results of hiarcs on computer B are based on learning from
>>>the game that it lost.
>>>
>>>Uri
>>
>>Hi Uri
>>
>>Eehh... Your reply still leaves me wondering. When you look at the game, Hiarcs
>>play is almost pathetic. I still have a "feel" that Hiarcs underperformed. And
>>look at the big difference in search depth on move 14 between the two machines
>>(10 vs 12 in about the same time). But I don't know much about how Hiarcs search
>>works. Maybe its not so predictable as e.g. Craftys.
>>
>>I'll wait with the celebrations a while. Btw, I _have_ lost to Hiarcs :)
>>These losses would be even more depressing if something was wrong
>>with the machine or the settings...
>>
>>I'll dig in to this some more if the game isn't rejected/verified by some
>>enlightened posters (other than yourself of course).
>>
>>		Thanks for your answer,  Ralf
>--------
>Hi Ralf,
>  I also have Hiarcs7.32 and i thought it was suspicious play by Hiarcs, so i
>deceided to play the game from the beginning and played your side of the board.
>I tried to duplicate how much time that you used for each move to allow Hiarcs
>to think on my time as it did in your game.
>  Starting with blacks move 16....Be8, my Hiarcs plays Ne8. Well, i take this
>move back & force it to play 16...Be8 as in your game and proceed until i reach
>another disagreement from your game on blacks move 19...Nb4. My Hiarcs makes the
>move for black on move 19...Nf8 (0.61)10/29. I didn`t analyse these 2 moves so i
>can`t say that they are better but it will give you some other ideas about your
>game with Hiarcs.
>  I'am using a AMD K6-2/266Mhz with 64 Ram. Hash tables = 45Mb. For these 2 move
>differences, i even let it analyse for a longer time to compensate for our speed
>differences,but it still didn't make any difference! Let me know if you find the
>problem or the answer to this! Good luck!
>
>Regards,Terry
>
Hi Ralf,
  I wanted to add that on blacks move on 15...Rfc8 and 16...Be8, Hiarcs took -
no time to give its answer! You might want to check that out plus i know there
were some other moves that took no time off the clock but they were more
under-standable.

Regards,Terry



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