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Subject: Re: an endgame test position

Author: Will Singleton

Date: 07:46:14 01/13/03

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On January 13, 2003 at 09:53:42, Ernst Walet wrote:

>Fritz8 plays Rxc3 here.
>
>Ernst.
>
>New game
>8/2p5/1b6/1P1K1B2/1P1p4/R1r3P1/3k3P/8 w - - 0 1
>
>Analysis by Fritz 8:
>
>103.Ra2+--
>  ±  (0.88)   Depth: 7/17   00:00:00  33kN
>103.Ra2+ Ke3 104.g4 d3 105.g5 d2 106.Bg4 Kf4
>  ²  (0.63)   Depth: 7/27   00:00:00  81kN
>103.Ra1!
>  ²  (0.66)   Depth: 7/27   00:00:00  85kN
>103.Ra1!
>  ±  (0.81)   Depth: 7/27   00:00:00  86kN
>103.Ra1!
>  ±  (1.13)   Depth: 7/27   00:00:00  91kN
>103.Ra1 Re3 104.g4 d3 105.g5 Rf3 106.Bg4 Rf4 107.Rd1+ Ke3
>  ±  (1.25)   Depth: 8/19   00:00:00  184kN
>103.Ra1--
>  ±  (0.97)   Depth: 9/20   00:00:00  254kN
>103.Ra1 d3 104.g4
>  ±  (0.97)   Depth: 9/33   00:00:00  357kN
>103.Ra1 d3 104.h4 Ke2 105.Bg4+ Kf2 106.Rd1 Kxg3 107.Bf5 Kxh4 108.Bxd3 Rb3
>  ±  (0.84)   Depth: 10/23   00:00:01  614kN
>103.Rxc3!
>  ±  (0.88)   Depth: 10/23   00:00:01  642kN
>103.Rxc3!
>  ±  (1.03)   Depth: 10/23   00:00:01  654kN
>103.Rxc3--
>  ±  (0.75)   Depth: 11/22   00:00:02  836kN
>103.Rxc3 dxc3 104.g4
>  ±  (0.75)   Depth: 11/22   00:00:02  859kN
>103.Ra1!
>  ±  (0.78)   Depth: 11/26   00:00:02  1300kN
>103.Ra1!
>  ±  (0.94)   Depth: 11/27   00:00:03  1444kN
>103.Ra1 d3 104.g4 Ke3 105.Re1+ Kf2 106.Rd1 Ke2
>  ±  (0.97)   Depth: 11/27   00:00:03  1646kN
>103.Ra1 d3 104.g4 Ke3 105.Re1+ Kf2 106.Rd1 Ke2
>  ±  (0.97)   Depth: 12/28   00:00:05  2428kN
>103.Rxc3!
>  ±  (1.00)   Depth: 12/28   00:00:05  2516kN
>103.Rxc3!
>  ±  (1.16)   Depth: 12/28   00:00:05  2579kN
>103.Rxc3 dxc3 104.g4 Be3 105.Kc6 Bf4 106.h3 Kd1 107.h4 Bg3 108.h5 Bf4 109.Be4
>  ±  (1.38)   Depth: 13/24   00:00:06  3345kN
>103.Rxc3 dxc3 104.g4 Be3 105.Kc6 Bf4 106.h4 Bg3 107.h5 Bf4 108.b6 cxb6 109.Kxb6
>Be3+ 110.Kb5 Bf4 111.Kc4 Be3 112.Be4
>  +-  (1.50)   Depth: 14/31   00:00:09  4666kN, tb=1
>103.Rxc3 dxc3 104.g4 Be3 105.Kc6 Bf4 106.h4 Bg3 107.h5 Bf4 108.b6 cxb6 109.Kxb6
>Be3+ 110.Kb5 Bf4 111.Kc4 Be3 112.Be4
>  +-  (1.50)   Depth: 15/32   00:00:13  6878kN, tb=3
>103.Rxc3!
>  +-  (1.78)   Depth: 16/36   00:00:22  12488kN, tb=9
>103.Rxc3 dxc3 104.g4 Ke3 105.h4 Kf4 106.h5 Kg5 107.Kc4 c2 108.Bxc2 Bf2 109.Bf5
>Bb6 110.Kc3
>  +-  (1.78)   Depth: 17/40   00:00:42  24343kN, tb=32
>103.Rxc3 dxc3 104.g4 Ke3 105.h4 Kf4 106.h5 Kg5 107.Kc4 c2 108.Bxc2 Bf2 109.Bf5
>Bb6 110.Kd5
>  +-  (1.84)   Depth: 18/34   00:01:29  52846kN, tb=326
>103.Rxc3 dxc3 104.g4 Ke3 105.h4 Kf4 106.h5 Kg5 107.Kc4 c2 108.Bxc2 Bf2 109.Bf5
>Bb6 110.Kd5
>  +-  (1.84)   Depth: 19/45   00:03:27  124229kN, tb=1136
>103.Rxc3!
>  +-  (2.13)   Depth: 20/47   00:06:28  234825kN, tb=2966
>103.Rxc3!
>  +-  (2.41)   Depth: 21/46   00:14:20  525435kN, tb=8642
>
>(Celeron 1.2GHz, 512MB hash, 3, 4 and 5 piece EGTB's 13.01.2003)

Yes, but that score is based on the reply dxc3, which appears to lose.  Kxc3
should draw.  How long does Fritz take, having played Rxe3, to take back with
the king?

Will




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