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Subject: Re: Crafty score in this endgame

Author: Pete Galati

Date: 22:38:25 03/09/01

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On March 10, 2001 at 00:26:57, Michael Fuhrmann wrote:

>[D] 8/8/7P/5kP1/5P2/r7/5K2/8 b - - 0 114
>
>
>Crafty scores this as -3.26 for white on my computer, yet it seems to be a draw.
>I don't have all the 5-piece tbs. Is that the problem?

I don't know if that's a problem.  I have some of the 5 piece tablebases,
whatever came with the Junior CD.

It doesn't appear to be a draw to me, White looks like it's in a lot of trouble
and it's only hope is for Black to blunder.  I somehow can't imagine White ever
promoting any of those pawn considering that the King can't get up there to help
them promote.  To ME at least, all hope looks lost for White, but I could be
wrong.

Pete

Crafty v18.3

Black(1): analyze
              clearing hash tables
              time surplus   0.00  time limit 30.00 (3:30)
         nss  depth   time  score   variation (1)
                7->   0.33  -3.24   1. ... Rh3 2. Kg2 Rb3 3. Kf2 Ra3 4.
                                    Kg2 Kxf4
                8     0.39  -3.21   1. ... Rh3 2. Kg2 Rh4 3. Kg3 Rg4+ 4.
                                    Kh3 Rg1 5. Kh4 Kxf4
                8->   0.94  -3.21   1. ... Rh3 2. Kg2 Rh4 3. Kg3 Rg4+ 4.
                                    Kh3 Rg1 5. Kh4 Kxf4
                9     1.01  -3.26   1. ... Rh3 2. Kg2 Rh4 3. Kg3 Rg4+ 4.
                                    Kh3 Rg1 5. Kh2 Rg4 6. Kh3 Rxf4
                9->   2.02  -3.26   1. ... Rh3 2. Kg2 Rh4 3. Kg3 Rg4+ 4.
                                    Kh3 Rg1 5. Kh2 Rg4 6. Kh3 Rxf4
               10     2.46  -3.26   1. ... Rh3 2. Kg2 Rb3 3. Kf2 Rc3 4.
                                    Kg2 Rc4 5. Kh3 Rb4 6. Kg3 Re4 7. Kh3
                                    Rxf4 8. h7 <HT>
               10->   4.11  -3.26   1. ... Rh3 2. Kg2 Rb3 3. Kf2 Rc3 4.
                                    Kg2 Rc4 5. Kh3 Rb4 6. Kg3 Re4 7. Kh3
                                    Rxf4 8. h7 <HT>
               11     4.44  -3.26   1. ... Rh3 2. Kg2 Rb3 3. Kf2 Rc3 4.
                                    Kg2 Rc4 5. Kh3 Rb4 6. Kg3 Re4 7. Kh3
                                    Rxf4 8. h7 <HT>
               11->   7.34  -3.26   1. ... Rh3 2. Kg2 Rb3 3. Kf2 Rc3 4.
                                    Kg2 Rc4 5. Kh3 Rb4 6. Kg3 Re4 7. Kh3
                                    Rxf4 8. h7 <HT>
               12     8.01  -3.26   1. ... Rh3 2. Kg2 Rb3 3. Kf2 Rc3 4.
                                    Kg2 Rc4 5. Kh3 Rb4 6. Kg3 Re4 7. Kh3
                                    Rxf4 8. h7 <HT>
               12->  12.77  -3.26   1. ... Rh3 2. Kg2 Rb3 3. Kf2 Rc3 4.
                                    Kg2 Rc4 5. Kh3 Rb4 6. Kg3 Re4 7. Kh3
                                    Rxf4 8. h7 <HT>
               13    13.60  -3.26   1. ... Rh3 2. Kg2 Rb3 3. Kf2 Rc3 4.
                                    Kg2 Rc4 5. Kh3 Rb4 6. Kg3 Re4 7. Kh3
                                    Rxf4 8. h7 <HT>
               13->  21.11  -3.26   1. ... Rh3 2. Kg2 Rb3 3. Kf2 Rc3 4.
                                    Kg2 Rc4 5. Kh3 Rb4 6. Kg3 Re4 7. Kh3
                                    Rxf4 8. h7 <HT>
               14    25.93  -3.24   1. ... Rh3 2. Kg2 Rb3 3. Kf2 Rc3 4.
                                    Kg2 Rc4 5. Kh3 Rb4 6. Kg3 Ra4 7. Kh3
                                    Ra3+ 8. Kg2 Kxf4
               14->  43.62  -3.24   1. ... Rh3 2. Kg2 Rb3 3. Kf2 Rc3 4.
                                    Kg2 Rc4 5. Kh3 Rb4 6. Kg3 Ra4 7. Kh3
                                    Ra3+ 8. Kg2 Kxf4
               15    46.08  -3.24   1. ... Rh3 2. Kg2 Rb3 3. Kf2 Rc3 4.
                                    Kg2 Rc4 5. Kg3 Rc8 6. Kf3 Rc1 7. Kg2
                                    Ra1 8. Kf2 Kxf4
               15->   1:03  -3.24   1. ... Rh3 2. Kg2 Rb3 3. Kf2 Rc3 4.
                                    Kg2 Rc4 5. Kg3 Rc8 6. Kf3 Rc1 7. Kg2
                                    Ra1 8. Kf2 Kxf4
               16     1:07  -3.24   1. ... Rh3 2. Kg2 Rb3 3. Kf2 Rc3 4.
                                    Kg2 Rc4 5. Kg3 Rc8 6. Kf3 Rc1 7. Kg2
                                    Rc3 8. Kf2 Ra3 <HT>
               16->   1:36  -3.24   1. ... Rh3 2. Kg2 Rb3 3. Kf2 Rc3 4.
                                    Kg2 Rc4 5. Kg3 Rc8 6. Kf3 Rc1 7. Kg2
                                    Rc3 8. Kf2 Ra3 <HT>
               17     1:43  -3.24   1. ... Rh3 2. Kg2 Rb3 3. Kf2 Rc3 4.
                                    Kg2 Rc4 5. Kg3 Rc8 6. Kf3 Rc1 7. Kg2
                                    Rc3 8. Kf2 Ra3 9. Kg2 Kxf4
               17->   2:33  -3.24   1. ... Rh3 2. Kg2 Rb3 3. Kf2 Rc3 4.
                                    Kg2 Rc4 5. Kg3 Rc8 6. Kf3 Rc1 7. Kg2
                                    Rc3 8. Kf2 Ra3 9. Kg2 Kxf4
Black(0): exit

Black(1): score
              clearing hash tables
note: scores are for the white side
material evaluation.................  -4.40
development.........................   0.00
pawn evaluation.....................   2.58
passed pawn evaluation..............   0.20
passed pawn race evaluation.........   0.00
king safety evaluation..............   0.00
interactive piece evaluation........  -0.22
total evaluation....................  -1.84




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