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Subject: Re: Testposition - The Rebel Rook

Author: Sune Larsson

Date: 09:27:09 03/02/01

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On March 02, 2001 at 11:53:00, Ed Schröder wrote:

>On March 02, 2001 at 10:10:08, Sune Larsson wrote:
>
>>
>>  [D]8/6r1/Pp5p/7k/p7/7K/6P1/R7 w - - 0 2
>>
>>  Wotawa 1951
>>
>>  Rookending and black is a pawn up. But white can take it back in a minute.
>>  So a draw or what? No, by breaking the rules for "normal" play in a
>>  rookending, the white rook becomes the rebellious hero of the day.
>>
>>  Test: To find the winning line for white in normal tournament level.
>>
>>  Sune
>
>
>According Rebel the Rebel rook should play 1. Ra3
>
>The +3.55 score looks pretty convincing.

 Sure, you and your program are almost challengeable in this position.
 A Rebel knows when he smells another Rebel, that's for sure...;)
>
>Ed
>
>---------------
>
>Loading...
>
>Engine version   : Rebel Century 3.1
>Hash table size  :  60 Mb
>
>8/6r1/Pp5p/7k/p7/7K/6P1/R7 w - -
>
>00:00:00  04.00  0.56  1.Rxa4 Ra7 2.Rh4 Kg5  [1688]
>00:00:01  07.00  0.54  1.Rxa4 Ra7 2.Kg3 b5 3.Rh4 Kg5 4.Rg4 Kf5  [27989]
>00:00:02  09.00  0.37  1.Rxa4 Ra7 2.Ra1 Kg5 3.Ra3 b5 4.Rg3 Kh5 5.Ra3 b4 6.g4 Kg6
>7.Kh2  [107387]
>00:00:02  10.00  0.35  1.Rxa4 Ra7 2.Ra1 Kg5 3.Ra3 b5 4.Kh2 b4 5.Rg3 Kf4 6.Rf3
>[274979]
>00:00:03  10.01  0.44  1.Ra3 Rc7 2.Rg3 a3 3.Rxa3 Ra7 4.Kg3 Kg5 5.Kf3 Kf5 6.Ra4
>Ke5 7.Re4  [274632]
>00:00:04  10.02  0.44  1.Rb1  [254024]
>00:00:04  10.02  1.22  1.Rb1 Ra7 2.Rxb6 Kg5 3.Rb5 Kf4 4.Rb4 Ke5 5.Rxa4 Kd5 6.Kg4
>Rg7 7.Kf4  [336772]
>00:00:05  11.00  1.27  1.Rb1 Ra7 2.Rxb6 Kg5 3.Rb5 Kf4 4.Rb4 Ke5 5.Rxa4 Kd5 6.Kg4
>Ke5 7.Ra5 Kd4  [367758]
>00:00:08  12.00  1.27  1.Rb1 Ra7 2.Rxb6 Kg5 3.Rb5 Kf4 4.Rb4 Ke5 5.Rxa4 Kd5 6.Kg4
>Ke5 7.Ra5 Ke4 8.Ra1 Kd4  [402974]
>00:00:21  13.00  1.31  1.Rb1 a3 2.Rb5 Kg6 3.Rxb6 Kf5 4.Rb5 Ke4 5.Ra5 Ra7 6.Kg4
>Kd4  [445545]
>00:00:50  14.00  1.30  1.Rb1 Ra7 2.Rxb6 Kg5 3.Rb5 Kf4 4.Rb4 Ke5 5.Rxa4 Kd5 6.Ra5
>Kc4 7.Kg3 Kb4 8.Ra1  [442975]
>00:01:33  15.00  1.41  1.Rb1 Ra7 2.Rxb6 Kg5 3.Kg3 a3 4.Rb5 Kg6 5.Ra5 Kf6 6.Kf4
>a2  [456448]
>00:01:56  15.01  1.41  1.Ra3  [454117]
>00:02:05  15.01  2.14  1.Ra3 Rc7 2.Rg3 a3 3.a7 Rxa7 4.Rg8 Ra4 5.g4 Rxg4 6.Rxg4
>b5 7.Rb4  [456536]
>00:03:06  16.00  2.52  1.Ra3 Rc7 2.Rg3 a3 3.a7 Rxa7 4.Rg8 Ra4 5.g4 Rxg4 6.Rxg4
>a2 7.Ra4 Kg6 8.Rxa2 Kg5 9.Rg2  [463085]
>00:06:29  17.00  3.55  1.Ra3 Rc7 2.Rg3 a3 3.a7 Rxa7 4.Rg8 Ra4 5.g4 Rxg4 6.Rxg4
>b5 7.Rb4  [466959]



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