Author: leonid
Date: 15:00:28 05/04/01
Go up one level in this thread
>Well, the effective branching factor is quite good for Chest.
>Here is the timing for the increasing depths:
>
> seconds
># 1 0.00 0.87 1- 0
># 2 0.00 1.00 1- 0
># 3 0.00 0.95 70- 0
># 4 0.08 1.07 465- 0
># 5 0.37 1.27 2085- 0
># 6 1.46 1.57 7901- 0
># 7 6.32 2.09 34402- 0
># 8 25.78 2.57 141569- 0
># 9 87.41 3.28 500658- 0
># 10 478.70 3.56 2712514- 478
># 11 1570.93 4.26 8976242- 1058845
># 12 7659.24 3.73 44489747- 35741846
>
>depth 7-> 8: 4.079
>depth 8-> 9: 3.390
>depth 9->10: 5.476
>depth 10->11: 3.281
>depth 11->12: 4.875
>
>It changes a bit up and down, but stays between 3 and 5.5 so far, which
>is not bad for such a crowded board and 69 initial legal moves.
>
>But no cigar, yet.
If you would like to see my number for my brute force search then you can look
on them. I have the impression that with hash in mine we can actually be very
close in branching factor. Did we somewhere the same thinking even by doing our
programs in different countries and by different mind?
Celeron 600Mhx. Llchess mate solver. No hash.
4 moves - 0.16 sec
branching factor - 5.81
5 moves - 0.93 sec.
- 4.96
6 moves - 4,61 sec
- 7.77
7 moves - 35.82 sec
- 6.17
8 moves - 3 min 41 sec
- 5.42
9 moves - 19 min 59 sec
- 6.69
10 moves - 2 h 6 min 58 sec
Salut,
Leonid.
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