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Subject: Re: Crafty 16.7

Author: Jeremiah Penery

Date: 07:03:56 05/28/99

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On May 28, 1999 at 07:18:38, Bernhard Bauer wrote:

>setboard 8/k7/3p/p2P1p/P2P1P///K w

>And here the output:
>         (3)   21     5.79   1.07   1. Kb2 Ka8 2. Kc2 Kb8 3. Kd2 Kc8 4.
>                                    Ke2 Kd7 5. Kd1 Ke7 6. Kc1 Kf6 7. Kd2
>                                    Kf7 8. Ke3 Kg6 9. Kd3 Kh5 10. Ke2 Kg4
>                                    11. Ke3
>               21->  13.27   1.07   1. Kb2 Ka8 2. Kc2 Kb8 3. Kd2 Kc8 4.
>                                    Ke2 Kd7 5. Kd1 Ke7 6. Kc1 Kf6 7. Kd2
>                                    Kf7 8. Ke3 Kg6 9. Kd3 Kh5 10. Ke2 Kg4
>                                    11. Ke3
>         (3)   22    14.21   1.07   1. Kb2 Ka8 2. Kc2 Kb8 3. Kd2 Kc8 4.
>                                    Kc1 Kb7 5. Kb1 Ka7 6. Ka2 Kb8 7. Kb3
>                                    Kc7 8. Kc4 Kb6 9. Kd3 Kc7 10. Kc3 Kb7
>                                    11. Kc4 Kb6
>               22     1:15     ++   1. Kb1!!
>               22->   1:17   1.46   1. Kb1
>               23     2:03     ++   1. Kb1!!
>         (2)   23     2:31   2.89   1. Kb1 Kb8 2. Kc2 Kc8 3. Kd2 Kd8 4.
>                                    Kc3 Kc7 5. Kd3 Kb6 6. Ke2 Ka6 7. Ke3
>                                    Kb7 8. Kf3 Kb6 9. Kg3 Kb7 10. Kh4 Kc8
>                                    11. Kg5 Kd7 12. Kxf5
>               23->   2:31   2.89   1. Kb1 Kb8 2. Kc2 Kc8 3. Kd2 Kd8 4.
>                                    Kc3 Kc7 5. Kd3 Kb6 6. Ke2 Ka6 7. Ke3
>                                    Kb7 8. Kf3 Kb6 9. Kg3 Kb7 10. Kh4 Kc8
>                                    11. Kg5 Kd7 12. Kxf5
>               24     2:42   2.89   1. Kb1 Kb8 2. Kc2 Kc8 3. Kd2 Kd8 4.
>                                    Kc3 Kc7 5. Kd3 Kb6 6. Ke2 Ka6 7. Ke3
>                                    Kb7 8. Kf3 Kb6 9. Kg3 Kc7 10. Kh4 Kd7
>                                    11. Kg5 Kd8 12. Kxf5 Kd7
>               24->   2:43   2.89   1. Kb1 Kb8 2. Kc2 Kc8 3. Kd2 Kd8 4.
>                                    Kc3 Kc7 5. Kd3 Kb6 6. Ke2 Ka6 7. Ke3
>                                    Kb7 8. Kf3 Kb6 9. Kg3 Kc7 10. Kh4 Kd7
>                                    11. Kg5 Kd8 12. Kxf5 Kd7
>               25     2:54   2.89   1. Kb1 Kb8 2. Kc2 Kc8 3. Kd2 Kd8 4.
>                                    Kc3 Kc7 5. Kd3 Kb6 6. Ke2 Kc7 7. Kf3
>                                    Kd7 8. Kg3 Ke7 9. Kh4 Kf6 10. Kh5 Ke7
>                                    11. Kg6 Ke8 12. Kxf5 Kd7 13. Ke4
>               25->   2:55   2.89   1. Kb1 Kb8 2. Kc2 Kc8 3. Kd2 Kd8 4.
>                                    Kc3 Kc7 5. Kd3 Kb6 6. Ke2 Kc7 7. Kf3
>                                    Kd7 8. Kg3 Ke7 9. Kh4 Kf6 10. Kh5 Ke7
>                                    11. Kg6 Ke8 12. Kxf5 Kd7 13. Ke4
>              time=2:55  cpu=199%  mat=1  n=47500484  fh=88%  nps=270288
>              ext-> checks=49578 recaps=0 pawns=146 1rep=0 thrt:0
>              predicted=0  nodes=47500484  evals=11647417
>              endgame tablebase-> probes done=0  successful=0
>              SMP->  split=6040  stop=475  data=12/64  cpu=5:51  elap=2:55
>
>White(1): Kb1
>              time used:   2:55
>Black(1): execution complete.
>
>I think 75 sec to find Kb1! on a 2 proc PPro 223 MHz is too long.

I agree.  Every version of Crafty I've tried on my PII-300 finds Kb1 almost
instantly (Probably around 1 second.)  Ply 25 is reached in less than 10
seconds, rather than your nearly 3 minutes.  Are you sure there's nothing else
wrong?

Jeremiah



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