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Subject: Re: Starting position to 30 ply

Author: Slater Wold

Date: 01:30:03 06/04/01

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On June 04, 2001 at 03:36:25, Rudolf Huber wrote:

>
>A couple of days ago I said (in a discussion about mtd(f)) that my chess
>program can search the starting position to 30 ply over night when the eval
>evaluates material only:
>
>
>SOS no eval
>  1.00   0:00    0.00   1.h3 (2)
>  2.00   0:00    0.00   1.h3 (45)
>  3.00   0:00    0.00   1.h3 h6 2.h4 (138)
>  4.00   0:00    0.00   1.h3 h6 2.h4 (263)
>  5.00   0:00    0.00   1.h3 h6 2.h4 h5 3.g3 (435)
>  6.01   0:00    0.00   1.h3 h6 2.h4 h5 3.g3 g6 4.Rh3 (1.860)
>  7.01   0:00    0.00   1.h3 h6 2.h4 h5 3.g3 g6 4.Rh3 (1.942)
>  8.01   0:00    0.00   1.h3 h6 2.h4 h5 3.g3 g6 4.Rh3 Rh6 (2.024)
>  9.01   0:00    0.00   1.h3 h6 2.h4 h5 3.g3 g6 4.Rh3 Rh6 5.Rh1 (5.086)
> 10.01   0:00    0.00   1.h3 h6 2.h4 h5 3.g3 g6 4.Rh3 Rh6 5.Rh1 (16.891)
> 11.01   0:00    0.00   1.h3 h6 2.h4 h5 3.g3 g6 4.Rh3 Rh6 5.Rh1 Rh8 (41.424)
> 12.01   0:00    0.00   1.h3 h6 2.h4 h5 3.g3 g6 4.Rh3 Rh6 5.Rh1 Rh8 (94.654)
>463.9
> 13.01   0:00    0.00   1.h3 h6 2.h4 h5 3.g3 g6 4.Rh3 Rh6 5.Rh1 Rh8 (132.293)
>497.3
> 14.01   0:00    0.00   1.h3 h6 2.h4 h5 3.g3 g6 4.Rh3 Rh6 5.Rh1 Rh8 (245.124)
>505.4
> 15.01   0:00    0.00   1.h3 h6 2.h4 h5 3.g3 g6 4.Rh3 Rh6 5.Rh1 Rh8 (359.203)
>533.7
> 16.01   0:01    0.00   1.h3 h6 2.h4 h5 3.g3 g6 4.Rh3 Rh6 5.Rh1 Rh8 (714.937)
>593.8
> 17.01   0:02    0.00   1.h3 h6 2.h4 h5 3.g3 g6 4.Rh3 Rh6 5.Rh1 Rh8 (1.212.436)
>570.2
> 18.01   0:02    0.00   1.h3 h6 2.h4 h5 3.g3 g6 4.Rh3 Rh6 5.Rh1 Rh8 (1.729.490)
>585.4
> 19.01   0:05    0.00   1.h3 h6 2.h4 h5 3.g3 g6 4.Rh3 Rh6 5.Rh1 Rh8 (3.025.316)
>605.0
> 20.01   0:08    0.00   1.h3 h6 2.h4 h5 3.g3 g6 4.Rh3 Rh6 5.Rh1 Rh8 (4.700.415)
>587.5
> 21.01   0:15    0.00   1.h3 h6 2.h4 h5 3.g3 g6 4.Rh3 Rh6 5.Rh1 Rh8 (9.323.868)
>621.5
> 22.01   0:29    0.00   1.h3 h6 2.h4 h5 3.g3 g6 4.Rh3 Rh6 5.Rh1 Rh8 (16.881.247)
>582.1
> 23.01   0:48    0.00   1.h3 h6 2.h4 h5 3.g3 g6 4.Rh3 Rh6 5.Rh1 Rh8 (28.659.953)
>597.0
> 24.01   1:36    0.00   1.h3 h6 2.h4 h5 3.g3 g6 4.Rh3 Rh6 5.Rh1 Rh8 (56.472.536)
>588.2
> 25.01   3:37    0.00   1.h3 h6 2.h4 h5 3.g3 g6 4.Rh3 Rh6 5.Rh1 Rh8
>(127.308.632) 586.6
> 26.01   7:41    0.00   1.h3 h6 2.h4 h5 3.g3 g6 4.Rh3 Rh6 5.Rh1 Rh8
>(275.114.597) 596.7
> 27.01  17:31    0.00   1.h3 h6 2.h4 h5 3.g3 g6 4.Rh3 Rh6 5.Rh1 Rh8
>(622.179.104) 591.9
> 28.01  45:16    0.00   1.h3 h6 2.h4 h5 3.g3 g6 4.Rh3 Rh6 5.Rh1 Rh8
>(1.602.666.536) 590.0
> 29.01  80:46    0.00   1.h3 h6 2.h4 h5 3.g3 g6 4.Rh3 Rh6 5.Rh1 Rh8
>(-1452508008) 586.5
> 30.01  161:28   0.00   1.h3 h6 2.h4 h5 3.g3 g6 4.Rh3 Rh6 5.Rh1 Rh8
>(1.397.948.590) 587.6
> 31.01  513:07   0.00   1.h3 h6 2.h4 h5 3.g3 g6 4.Rh3 Rh6 5.Rh1 Rh8
>(471.878.568) 573.3
>
>
>Actually 30 ply was reached after 2:41 hours.
>
>SW: no search extensions, normal nullmove pruning, normal quiescence
>    search
>HW: 2xCeleron 466 MHz, 500 MByte Hash
>
>
>Can anyone do better?
>
>
>Rudolf

h3?  Amazing.  Now we all know why computers use opening books!  :)


Slate

• Re: Starting position to 30 ply José Carlos 02:29:47 06/04/01
  • Re: Starting position to 30 ply Christophe Theron 07:12:36 06/04/01
    • Re: Starting position to 30 ply José Carlos 10:09:42 06/04/01
      • Re: Starting position to 30 ply Uri Blass 10:41:45 06/04/01
        • Re: Starting position to 30 ply Uri Blass 11:40:58 06/04/01
        • Re: Starting position to 30 ply Rudolf Huber 10:53:41 06/04/01
    • Re: Starting position to 30 ply Uri Blass 07:35:19 06/04/01
  • Re: Starting position to 30 ply Uri Blass 03:01:39 06/04/01
    • Re: Starting position to 30 ply Slater Wold 07:29:12 06/04/01

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