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Subject: Re: some king safety test position from haraled Faver's game.

Author: pavel

Date: 02:18:56 12/16/01

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<snip>

>23...Qa7 could probably save black and yace suggest this move after long
>analysis and can see no problem

>
>I analyzed with yace when I took back moves.
>
>Fritz 7a - Shredder 6
>[D]1r2nrk1/1q1b1pp1/p3p2p/2bpP3/3N1B2/1B5Q/PP1R1PPP/5RK1 b - - 0 1

<snip>


Analysis by Fritz 7.0

1...a5 2.Be3 a4 3.Bd1 Bb5 4.Re1
  ±  (0.78)   depth: 7/23   00:00:00  154kN
1...Bb5 2.Rc1 Bc4 3.Bxc4 dxc4 4.Rxc4 Qe4 5.g3 Bxd4 6.Rcxd4 Qb1+ 7.Rd1 Qxb2
  ±  (0.78)   depth: 9/30   00:00:01  735kN
1...Bb5 2.Rc1 Bc4 3.Bxc4 dxc4 4.Rxc4 Qe4 5.g3 Bxd4 6.Rcxd4 Qb1+ 7.Rd1 Qxb2
  ±  (0.78)   depth: 9/30   00:00:01  735kN
1...Bb5 2.Rc1 Bc4 3.Bxc4 dxc4 4.Rxc4 Qe4 5.g3 Bxd4 6.Rcxd4 Qb1+ 7.Rd1 Qxb2
  ±  (0.78)   depth: 9/30   00:00:01  735kN
1...Rc8
  ±  (0.75)   depth: 9/30   00:00:02  1148kN
1...Rc8 2.Be3 Qc7 3.f4 Bb5 4.Rc1 Qb6 5.Bc2 Bc4 6.b3
  ±  (0.78)   depth: 10/36   00:00:07  3526kN
1...Rc8 2.Qg3 Kh8 3.Rfd1 Bb5 4.Be3 Bc4 5.Bxc4 dxc4
  ±  (0.81)   depth: 11/32   00:00:20  9935kN
1...Rc8 2.Rfd1 a5 3.Be3 Qc7 4.f4 f6 5.Rc2 Qb8 6.Rxc5 Rxc5 7.Nxe6
  ±  (0.84)   depth: 12/34   00:00:54  27043kN
1...Bb5
  ±  (0.81)   depth: 12/34   00:01:00  29722kN
1...Qa7
  ±  (0.78)   depth: 12/36   00:01:36  46443kN
1...Qa7 2.Be3 f5 3.f4 Rb4 4.Rfd1 Nc7 5.Qg3 Nb5 6.Qf2 Nxd4
  ±  (0.71)   depth: 12/37   00:01:42  49176kN

(Mahamood, home 16.12.2001)




<snip>

>Here Fritz7a blundered and played Rd2 when Bxh6 is winning a pawn(the 0.23 pawns
>evaluation is result of learning(yace did not finish depth 17 so it could not
>use the score at depth 17 for 23...Qa7)



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