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

Author: Christophe Theron

Date: 21:33:57 12/26/01

Go up one level in this thread


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



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