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Subject: Re: Can Junior6a or Deep Junior find 9.Bh6 against piket?

Author: Chessfun

Date: 12:31:17 07/18/00

Go up one level in this thread


On July 18, 2000 at 13:04:42, blass uri wrote:

>On July 18, 2000 at 12:52:39, Chessfun wrote:
>
>>On July 18, 2000 at 09:44:58, blass uri wrote:
>>
>>>[D]rnbqk2r/1p1n1pbp/p1p1p1p1/3pP3/3P1B2/2N2N1P/PPPQ1PP1/R3KB1R w KQkq - 0 1
>>>
>>>In this position Deep Junior played 9.Bg5.
>>>
>>>I test my Junior5.9 on PIII450 at time control of 9 hours/moves 9-11
>>>Junior5.9 liked Bg5 at depth 18 but changed its mind to Bh6 at depth 20.
>>>
>>>The score of 9.Bh6 at depth 20 is +0.62
>>>Junior5.9 found this move after 51 minutes and 21 seconds after searchng 936542
>>>knodes.
>>>
>>>Can Junior6a find the same move at iteration 20?
>>>Did Junior miss this move because of the fact that the hardware was not fast
>>>enough or because of bad time management?
>>>
>>>Uri
>>
>>Hi Uri !!
>>
>>I think you will find J6a will stick with 9. Bh6.
>>I will leave it running as I have to go out for a bit.
>>
>>rnbqk2r/1p1n1pbp/p1p1p1p1/3pP3/3P1B2/2N2N1P/PPPQ1PP1/R3KB1R w KQkq - 0 1
>>
>>Analysis by Junior 6.1:
>>
>>1.h4 c5
>>  =  (0.14)   Depth: 3   00:00:00
>>1.Bh6 0-0 2.Qf4 Bxh6 3.Qxh6
>>  ²  (0.50)   Depth: 6   00:00:00  4kN
>>1.Bh6 0-0 2.Qf4 Bxh6 3.Qxh6
>>  ²  (0.50)   Depth: 6   00:00:00  4kN
>>1.Bh6 0-0 2.Qf4 Bxh6 3.Qxh6
>>  ²  (0.50)   Depth: 6   00:00:00  4kN
>>1.Bh6 0-0 2.Qf4 Bxh6 3.Qxh6
>>  ²  (0.50)   Depth: 6   00:00:00  4kN
>>1.Bh6 0-0 2.Qf4 Bxh6 3.Qxh6
>>  ²  (0.50)   Depth: 6   00:00:00  4kN
>>1.Bh6 0-0 2.Qf4 Bxh6 3.Qxh6
>>  ²  (0.50)   Depth: 6   00:00:00  4kN
>>1.Bh6 0-0 2.Qf4 Qb6 3.0-0-0 c5 4.dxc5
>>  ²  (0.49)   Depth: 9   00:00:00  36kN
>>1.Bh6 0-0 2.Qf4 f6 3.Bxg7 Kxg7 4.Qg4 fxe5 5.dxe5 Rf5
>>  ²  (0.41)   Depth: 12   00:00:05  750kN
>>1.Bh6 0-0 2.Qe3 c5 3.Bxg7 Kxg7 4.dxc5 Qa5
>>  ²  (0.45)   Depth: 14   00:00:17  4206kN
>>1.Bh6 0-0 2.h4 c5 3.Bxg7 Kxg7 4.h5 Rh8 5.dxc5 Nxc5 6.Ng5
>>  ²  (0.50)   Depth: 16   00:01:18  20095kN
>>
>>(Bird, Scarb 18.07.2000)
>>
>>Thanks.
>
>We will see.
>
>My Junior5.9 also liked Bh6 only to change its mind later to Bg5 and later again
>to Bh6.
>
>I think it got only depthes 3,6,9,12,15,18,20 and I am not sure about the depth
>that it changed its mind to Bg5.
>
>Uri

You are right changed to Bg5 then back to Bh6.

Bird,S - Junior 6.1
rnbqk2r/1p1n1pbp/p1p1p1p1/3pP3/3P1B2/2N2N1P/PPPQ1PP1/R3KB1R w KQkq - 0 1

Analysis by Junior 6.1:
1.Bh6 0-0 2.Qf4 f6 3.Bxg7 Kxg7 4.Qg4 fxe5 5.dxe5 Rf5
  ²  (0.41)   Depth: 12   00:00:05  750kN
1.Bh6 0-0 2.Qe3 c5 3.Bxg7 Kxg7 4.dxc5 Qa5
  ²  (0.45)   Depth: 14   00:00:17  4206kN
1.Bh6 0-0 2.h4 c5 3.Bxg7 Kxg7 4.h5 Rh8 5.dxc5 Nxc5 6.Ng5
  ²  (0.50)   Depth: 16   00:01:18  20095kN
1.Bh6 0-0 2.h4 c5 3.Bxg7 Kxg7 4.h5 Rh8 5.hxg6 hxg6 6.Rxh8 Qxh8 7.Ng5
  ²  (0.50)   Depth: 17   00:04:29  65980kN
1.Bh6 0-0 2.0-0-0 c5 3.dxc5 Nc6 4.Qf4 Qa5
  ²  (0.32)   Depth: 18   00:31:27  221218kN
1.Bg5 Qc7 2.Bh6 0-0 3.h4 c5 4.Bxg7 Kxg7 5.h5 Rh8 6.Qf4 cxd4 7.Qxd4
  ²  (0.33)   Depth: 18   00:38:14  326132kN
1.Bg5 Qb6 2.Na4 Qc7 3.Bh6 0-0 4.Qf4 c5 5.Bxg7 Kxg7 6.Nxc5
  ²  (0.28)   Depth: 19   01:05:15  760545kN
1.Bh6 0-0 2.0-0-0 c5 3.dxc5 Nc6 4.Qf4 Qa5 5.Bxg7 Kxg7 6.Re1 Qxc5 7.Ng5
  ²  (0.31)   Depth: 19   01:11:26  858665kN
1.Bh6 Kf8 2.0-0-0 c5 3.dxc5 Nc6 4.Re1 Qa5 5.Qf4 Bxh6 6.Qxh6+ Kg8 7.Ng5 Ndxe5
  ²  (0.60)   Depth: 20   02:39:00  2114947kN

(Bird, Scarb 18.07.2000)

Thanks.




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