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Subject: Re: One mate to solve... (Chest, #9, 29min)

Author: Heiner Marxen

Date: 14:25:16 06/02/01

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On June 02, 2001 at 16:29:17, leonid wrote:

>Hi, Heiner! Just a curiosity. What was your average branching factor for this
>position? Have the impression that our programs feel it in a very similar way.
>If you will be curious about mine, then my numbers:
>
>4 moves - 0.769 sec
>          8.5 branching factor
>5 moves - 6.538 sec
>          7.6
>6 moves - 49.94 sec
>          7.99
>7 moves - 6 min 39 sec
>          11.6
>8 moves - 1 hour 17 min 13 sec
>
>9 moves - 8 min 13 sec - mate found.
>
>Time for 9 moves indicate time for finding first mate.

My timing:                                  factor vs. depth before
#  4      0.15  1.06        653-         0
#  5      0.73  1.48       4308-         0  4.866
#  6      5.89  1.57      34820-         0  8.068
#  7     36.99  1.87     208599-         0  6.280
#  8    276.28  2.05    1403660-         3  7.469
#  9   1728.86  1.95    7200084-    319031  6.257

I'm not sure how similar or different this is.

Regards,
Heiner



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