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Subject: Re: Shredders secrets revealed! ;-)

Author: Uri Blass

Date: 08:29:46 05/04/03

Go up one level in this thread


On May 04, 2003 at 10:47:05, Joachim Rang wrote:

>Okay,
>
>there was a discussion what does give Shredder 7 an edge above other programs.
>I created a position to determine the influence of king safety and piece
>coordination:
>
>[D] rqb2r1n/ppn1kpbp/2p3p1/4p3/3PP3/1QP2NBP/BP3PP1/3RR1K1 w - - 0 1
>
>White is a piece down, but the exposed black king and the black trapped pieces
>makes this a won position for white. It's all tactics, but it's no simple
>tactics, so most programs get a positive score for white not earlier than depth
>12 or 13 - except Shredder 7:

Latest Movei evaluates this position as a small advantage for white at small
depthes.



New game
rqb2r1n/ppn1kpbp/2p3p1/4p3/3PP3/1QP2NBP/BP3PP1/3RR1K1 w - - 0 1

Analysis by moveiX:

1.Qb4+ Ke8
  ²  (0.39)   Depth: 1   00:00:00
1.Qb4+ Ke8 2.Nxe5
  ²  (0.30)   Depth: 2   00:00:00
1.Bxe5
  ²  (0.31)   Depth: 2   00:00:00
1.Qb4+ Ke8 2.Nxe5
  ²  (0.30)   Depth: 2   00:00:00
1.Qb4+ Ke8 2.Nxe5
  ²  (0.30)   Depth: 2   00:00:00
1.Qb4+ Ke8 2.Bxe5 a5
  =  (0.25)   Depth: 3   00:00:00
1.Qa3+
  ²  (0.26)   Depth: 3   00:00:00
1.Qa3+ Ke8 2.Bxe5 Rg8
  ²  (0.32)   Depth: 3   00:00:00
1.Qa3+ Ke8 2.Bxe5 Rg8
  ²  (0.32)   Depth: 3   00:00:00
1.Qa3+ Ke8 2.Bxe5 f6 3.Bf4
  ²  (0.35)   Depth: 4   00:00:00
1.Qa3+ Ke8 2.Bxe5 f6 3.Bf4
  ²  (0.35)   Depth: 4   00:00:00
1.Qa3+ Ke8 2.Bxe5 Bxe5 3.dxe5 Ne6 4.Bc4
  ²  (0.36)   Depth: 5   00:00:00
1.Qa3+ Ke8 2.Bxe5 Bxe5 3.dxe5 Ne6 4.Bc4
  ²  (0.36)   Depth: 5   00:00:00

Uri




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