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Subject: Re: high KS values

Author: scott farrell

Date: 06:08:17 08/27/03

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On August 27, 2003 at 07:22:20, Tord Romstad wrote:

>On August 26, 2003 at 18:28:34, Dan Andersson wrote:
>

Very similar to chompster:

->1/1(6)  7.85  0.38secs  131  D3
->2/3(6)  5.59  0.551secs  783  D3 NC6
->3/5(8)  3.54  0.811secs  3481  D3 H6 BxN
->4/11(8)  3.46  0.991secs  10994  D3 BB4+ KF1 H6 BxN
->5/13(10)  3.35  1.632secs  55217  D3 H6 BxN BB4+ KF1 RxB
->6/14(12)  3.42  4.747secs  278670  H4 H5 D3 NA6 QG3+ BG4
, D6/14(12): 3.42 : H4 , 4.757 secs - NPS: 58581 ,

chompster starts very high, and comes down to reality.

>> This isn't especially har but it is one of the oldest analyzed positions. How
>>long for your engine to find the killer move?
>>[D]rnbq1bnr/ppp3pp/6k1/3BQ3/4P3/8/PPPP1PPP/RNB1K2R w KQ -
>
>Found at depth 4 in 0.37 seconds by Gothmog 0.3.0 on a Pentium IV 2.4GHz:
>
> 1       7.84     0.00        200 d2d4
> 2       5.84     0.01        821 d2d4
> 3       4.16     0.11       7431 e5g3 g6h5 g3e5 d8g5 d5f7 h5h6 e5g5 h6g5
>                                  d2d4
> 4       5.84     0.37      28826 h2h4 h7h5
> 5       5.86     0.84      72972 h2h4 h7h5
> 6    >  5.88     0.87      75199 h2h4 h7h5
> 6    >  5.89     0.90      78115 h2h4 h7h5 d5b7 f8d6 e5a5
> 6    <  5.94     2.43     252570 h2h4 h7h5 d5b7 f8d6 e5a5 d6b4 a5b4
> 6    >  5.94     2.44     252905 h2h4 h7h5 d5b7 f8d6 e5a5 d6b4 a5b4
> 6       5.94     2.45     252905 h2h4 h7h5 d5b7 f8d6 e5a5 d6b4 a5b4
> 7    >  5.94     3.05     321697 h2h4 h7h5 d5b7 f8d6 e5a5 d6b4 a5b4
> 7    <  5.94     7.27     834224 h2h4 h7h5 d5b7 f8d6 e5a5 d6b4 a5b4 c8b7
>                                  b4b7
> 7       5.94     7.29     834224 h2h4 h7h5 d5b7 f8d6 e5a5 d6b4 a5b4 c8b7
>                                  b4b7
> 8    >  5.94     7.68     879427 h2h4 h7h5 d5b7 f8d6 e5a5 d6b4 a5b4 c8b7
>                                  b4b7
> 8    <  5.94    31.87    3708110 h2h4 h7h5 d5b7 f8d6 e5a5 d6b4 a5b4 c8b7
>                                  b4b7
> 8       5.94    31.89    3708110 h2h4 h7h5 d5b7 f8d6 e5a5 d6b4 a5b4 c8b7
>                                  b4b7
>
>This position is an example of how huge the king safety eval score can
>be in Gothmog.  When I ask it to evaluate the root position (without
>any search), it returns +6.40 for white!
>
>Tord



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