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Subject: Re: some king safety test positions from harald Faber's game.

Author: Uri Blass

Date: 02:18:12 12/16/01

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On December 16, 2001 at 04:59:42, Uri Blass wrote:

<snipped>
>Here Shredder blundered by 22...Bc5
>Yace see no problem at depth 13 with a5.

I still suspected that Bxh6 may work so I gave yace analyze the position after
22...a5 23.Bxh6 and here is yace analysis(it finished depth 12) so I am not sure
if Bc5 is a tactical mistake and the real question is if there is a good move
for black here.

Fritz 7a - Shredder 6
[D]1r2nrk1/1q1bbpp1/4p2B/p2pP3/3N4/1B5Q/PP3PPP/3R1RK1 b - - 0 1

Analysis by Yace 0.99.56:

23...gxh6 24.Qxh6
  µ  (-1.09)   Depth: 1   00:00:00
23...gxh6 24.Qxh6
  µ  (-1.09)   Depth: 2   00:00:00
23...gxh6 24.Qxh6 Qc7 25.Rfe1
  µ  (-1.00)   Depth: 3   00:00:00
23...gxh6 24.Qxh6 Qc7 25.Rfe1 Rc8
  µ  (-1.11)   Depth: 4   00:00:00
23...gxh6 24.Qxh6 Ng7 25.Rd3 Qc7 26.Re1
  µ  (-1.03)   Depth: 5   00:00:00  17kN
23...gxh6 24.Qxh6 Qc7 25.Bc2 f5 26.exf6 Nxf6
  µ  (-1.03)   Depth: 6   00:00:00  93kN
23...gxh6 24.Qxh6 Ng7 25.Rd3 Rfd8 26.Rg3 Bf8 27.Qf6
  ³  (-0.67)   Depth: 7   00:00:00  281kN
23...gxh6 24.Qxh6 Ng7 25.Rd3 Rfd8 26.Rg3 Bf8 27.Qf6 Rdc8
  µ  (-0.83)   Depth: 8   00:00:02  765kN
23...gxh6 24.Qxh6 Ng7 25.Rd3 Qc7 26.Rh3 f5 27.Re1 Kf7 28.Rg3 Rg8
  µ  (-0.71)   Depth: 9   00:00:05  1511kN
23...gxh6 24.Qxh6 Ng7 25.Rd3 Qc7 26.Rh3 f5 27.Re1 Kf7 28.Rg3 Rg8 29.Rg6
  ³  (-0.61)   Depth: 10   00:00:16  6101kN
23...gxh6 24.Qxh6 Ng7 25.Rd3 Qc7 26.Rh3 f5 27.Bd1 Bb5 28.Nxb5 Qd8 29.Qh7+ Kf7
  =  (-0.21)   Depth: 11   00:00:41  14968kN
23...gxh6 24.Qxh6 Ng7 25.Rd3 Qc7 26.Re1 f6 27.Rg3 Rf7 28.exf6 Bxf6 29.Nxe6 Bxe6
30.Rxe6 Rxb3 31.axb3
  ²  (0.32)   Depth: 11   00:01:04  23278kN
23...gxh6 24.Qxh6 Ng7 25.Rd3 Qc7 26.Re1 f6 27.Bxd5 exd5 28.Rg3 Qxe5 29.Rxe5 Rf7
30.Rxg7+ Rxg7
  ±  (0.72)   Depth: 12   00:03:15  68098kN
23...gxh6 24.Qxh6 Ng7 25.Rd3 f5 26.Rg3 Rf7 27.Nxe6 Bxe6 28.Qxe6 Rd8 29.Qh6 Bc5
30.Rc1 Rc8
  ±  (0.78)   Depth: 12   00:04:32  96363kN

(Blass, Tel-aviv 16.12.2001)

Uri



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