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Subject: Re: Why this move is so difficult for engines ?

Author: Jonas Cohonas

Date: 02:25:42 10/17/02

Go up one level in this thread

On October 17, 2002 at 04:51:28, Christophe Drieu wrote:

[D] 8/4k3/4p3/pp5p/6p1/2P2rP1/PPK2R1P/8 w - - 0 1
>
>Rxf3 !

Deep Fritz 7 has no problem finding it:

Analysis by Deep Fritz 7:

1.Rxf3 gxf3 2.Kd2 e5 3.Ke3 e4 4.b3 b4
  ²  (0.63)   Depth: 11/25   00:00:00  292kN
1.Rxf3 gxf3 2.Kd2 e5 3.Ke3 e4 4.h3 a4
  ²  (0.44)   Depth: 12/24   00:00:00  493kN
1.Rxf3 gxf3 2.Kd2 e5 3.Ke3 e4 4.h3 a4
  ²  (0.44)   Depth: 13/23   00:00:01  1037kN
1.Rxf3--
  =  (0.16)   Depth: 14/27   00:00:01  1796kN
1.Rxf3 gxf3 2.Kd2
  =  (0.16)   Depth: 14/30   00:00:02  2028kN
1.Rxf3 gxf3 2.Kd2 e5 3.Ke3 e4 4.h3 Kf6
  =  (0.06)   Depth: 15/28   00:00:03  4002kN
1.Rxf3!
  ²  (0.34)   Depth: 16/36   00:00:08  8954kN
1.Rxf3 gxf3 2.Kd3 e5 3.b3 e4+ 4.Ke3 Ke6 5.h3 a4 6.bxa4 bxa4 7.a3 Kf5 8.c4 Ke5
9.g4
  ²  (0.34)   Depth: 17/37   00:00:15  16187kN, tb=3
1.Rxf3!
  ²  (0.63)   Depth: 18/41   00:00:43  46922kN, tb=26
1.Rxf3--
  ²  (0.34)   Depth: 19/43   00:01:03  68315kN, tb=83
1.Rxf3 gxf3 2.Kd3
  ²  (0.34)   Depth: 19/47   00:01:18  86648kN, tb=253

• Re: Why this move is so difficult for engines ? Daniel Clausen 02:37:48 10/17/02
  • Re: Why this move is so difficult for engines ? Jonas Cohonas 06:00:14 10/17/02
  • Re: Why this move is so difficult for engines ? Gian-Carlo Pascutto 02:43:59 10/17/02
    • Re: Why this move is so difficult for engines ? Vincent Diepeveen 08:40:30 10/17/02

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