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Subject: Re: Simple Endgame for programs without TBs ??

Author: Robert Hyatt

Date: 18:42:38 11/21/00

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On November 21, 2000 at 18:27:28, Eduard Nemeth wrote:

>[D]8/2K5/1p6/1P4k1/5p2/8/6P1/8 w - - 0 1
>
>Here a correct analysis:
>
>1. Kc6 Kg4 2. Kd6 Kh4 3. Ke6 Kg5 4. Ke5 Kg4 5. Kf6 Kh4 6. Kf5 Kg3 7. Kg5 f3 8.
>gxf3 Kxf3 9. Kf5 ++-
>
>1.Kxb6 is draw.
>
>By me this winning only Fritz, without TBs !
>
>Eduard

Here is some crafty analysis on my notebook.

First, with tablebases:

               13     4.92   0.34   1. Kd6 Kf5 2. Kd5 Kg4 3. Ke5 Kg5 4.
                                    Ke6 Kh4 5. Kf5 Kg3 6. Ke5 Kg4 7. Kd5
               13->   4.94   0.34   1. Kd6 Kf5 2. Kd5 Kg4 3. Ke5 Kg5 4.
                                    Ke6 Kh4 5. Kf5 Kg3 6. Ke5 Kg4 7. Kd5
               14     5.58     ++   1. Kd6!!
               14     6.03  Mat27   1. Kc6 Kg4 2. Kd6 Kf5 3. Kd5 Kg4 4.
                                    Ke4 Kg5 5. Ke5 <HT>
               14->   6.04  Mat27   1. Kc6 Kg4 2. Kd6 Kf5 3. Kd5 Kg4 4.
                                    Ke4 Kg5 5. Ke5 <HT>


Without tablebases, Crafty would definitely fall into the Kxb6 case...





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