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Subject: Re: How long does it take your program to avoid this move?

Author: Uri Blass

Date: 22:00:25 12/26/01

Go up one level in this thread


On December 27, 2001 at 00:33:57, Christophe Theron wrote:

>On December 26, 2001 at 20:38:18, Andrew Smith wrote:
>
>>On December 26, 2001 at 19:59:00, Christophe Theron wrote:
>>
>>>On December 26, 2001 at 18:01:35, Andrew Smith wrote:
>>>
>>>>An interesting position, where the point is not to find some particular move,
>>>>but to avoid one. Qxh6? is not right in this position. How long does your
>>>>favourite program need to avoid it?
>>>>
>>>>6k1/p3b1np/6pr/6P1/1B2p2Q/K7/7P/8 w KQkq - 0 1
>>>>
>>>>Interesting to see gambit tiger 2.0 analysis after a while. The score is clearly
>>>>dropping
>>>>
>>>>
>>>>[D]6k1/p3b1np/6pr/6P1/1B2p2Q/K7/7P/8 w - - 0 1
>>>>
>>>>Analysis by Gambit Tiger 2.0:
>>>>
>>>>1.Qxh6 Nf5 2.Qh3 Bxg5 3.Qg4 Bc1+ 4.Kb3
>>>>  +-  (4.08)   Depth: 6   00:00:00  3kN
>>>>1.Qxh6 Nf5 2.Qh3 Bxg5 3.Qg4 Bc1+ 4.Ka2 a5 5.Bxa5
>>>>  +-  (4.30)   Depth: 7   00:00:00  11kN
>>>>1.Qxh6 Nf5 2.Qh3 Bxg5 3.Qg4 Bc1+ 4.Kb3 a5 5.Bxa5
>>>>  +-  (4.90)   Depth: 8   00:00:01  28kN
>>>>1.Qxh6 Nf5 2.Qh3 Bxg5
>>>>  +-  (4.90)   Depth: 9   00:00:01  60kN
>>>>1.Qxh6 Nf5 2.Qh3 Bxg5 3.Qb3+ Kg7 4.Qd5 Bf4 5.Qxe4 Bxh2 6.Qb7+ Kh6 7.Qxa7
>>>>  +-  (4.80)   Depth: 10   00:00:02  106kN
>>>>1.Qxh6 Nf5 2.Qh3 Bxg5 3.Qg4 a5 4.Bc5 Bc1+ 5.Kb3 Kf7 6.Qxe4 Kf6
>>>>  +-  (5.00)   Depth: 11   00:00:07  482kN
>>>>1.Qxh6
>>>>  +-  (4.10)   Depth: 12   00:01:02  4288kN
>>>>1.Qxh6
>>>>  +-  (3.20)   Depth: 13   00:04:21  17331kN
>>>>
>>>>(only, MyTown 01.11.2001)
>>>
>>>
>>>
>>>Chess Tiger 14.8 needs 23.83s to see the score drop to -3.50 and 91.78s to
>>>switch to Qxe4 (K6-2 450MHz, 96Mb hash).
>>>
>>>
>>>
>>>    Christophe
>>
>>
>>Hi, Christophe!
>>
>>It looks to me like you are making some big improvements in this new tiger!
>
>
>
>I hope so!
>
>
>
>
>> I
>>can show you my completed analysis on a 333mhz computer (not that much slower
>>than yours.) Two and a half hours to switch to Qxe4!
>
>
>
>Yes, and it even looks like the new Tiger will be one of the fastest on this
>position...
>
>The best time I have seen so far by another program is just below 30 seconds,
>but on a very fast Athlon!!!
>
>
>
>    Christophe

I guess that you missed the following post about spidderchess that needed less
than 1 second

http://www.icdchess.com/forums/1/message.shtml?203638

Uri



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