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Subject: Re: Last attempt

Author: Heiner Marxen

Date: 12:55:53 09/10/02

Go up one level in this thread


On September 08, 2002 at 04:13:23, allan johnson wrote:

> [D]B7/p1p5/kb1p4/p3p3/P1N2p2/6p1/7p/K7 w - - 1
> Fingers crossed.
> Al

The search of Chest explodes in depth 15 (128MB hash, Athlon 1500+):

#  1      0.00s                 0kN           0.87          1-         0
#  2      0.00s                 0kN           0.99          1-         0
#  3      0.00s                 0kN [  5.70]  0.94         19-         0
#  4      0.01s                 1kN [  4.54]  1.15         86-         0
#  5      0.02s [  2.00]        2kN [  4.40]  1.54        388-         0
#  6      0.06s [  3.00]        8kN [  3.33]  1.95       1549-         0
#  7      0.19s [  3.17]       27kN [  3.51]  2.47       5190-         0
#  8      0.66s [  3.47]       91kN [  3.43]  3.02      17426-         0
#  9      2.08s [  3.15]      290kN [  3.17]  3.77      56932-         0
% EGTB found tables for max 5 pieces
% EGTB uses 3728.4K memory internally
# 10      6.35s [  3.05]      884kN [  3.05]  4.50     173053-         0
# 11     18.76s [  2.95]     2601kN [  2.94]  5.27     500035-         5
# 12     55.47s [  2.96]     7568kN [  2.91]  5.98    1434380-      2383
# 13    173.28s [  3.12]    22778kN [  3.01]  6.42    4337523-   1202609
# 14    839.05s [  4.84]   110620kN [  4.86]  5.68   21440862-  18241629
# 15  39757.33s [ 47.38]  5484247kN [ 49.58]  6.24  979982450- 976783217
No solution in 15 moves.

May be the complete set of 5piece EGTBs would help (have have just a few),
but may be not.

Cheers,
Heiner



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