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Subject: Re: Test Position

Author: Vasik Rajlich

Date: 09:51:10 10/19/04

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On October 19, 2004 at 11:11:47, Stuart Cracraft wrote:

>On October 19, 2004 at 09:09:42, Anthony Cozzie wrote:
>
>>[D]4r3/QbpR1ppk/pr5p/1pq1P3/2p1PP2/P5PP/1P4B1/3R3K w - - 0 27
>>
>>What does your program play here?
>>
>>(White may just be lost).
>>
>>anthony
>
>GA doesn't get anywhere near the depth of the other reporting programs
>and I'm posing the question to the group as to how they get that depth
>to 16, etc.

Simple:

d *= 2

(Only part-joking ...)

Vas

>
>Latest settings:
>
>#ifdef BEST			// 253 result for Pentium 3 and Itanium 64
>#define NOFUNCX			// Direct to quiesce from depth == 1 in main
>#define MAXPLY 99		// Maximum ply to search to
>#define FUTIL_R 0.00		// Futility at depth == 1 -- no futility for now
>#define XXPLY_X			// Do cross-ply extensions ply, ply-1, ply-2
>#define XPLY_X			// Do cross-ply extensions ply, ply-1, ply-2
>#define QSCX_X_SUPP		// Suppress extensions in search if extended
>				// from quiesce
>#define QSCX_X  		// Extend from quiesce to search for 1 ply
>				// search if in check.
>#define MSCMX_X 1.00		// Extend checking moves in main search
>#define ONE_X 1.00		// One-reply extension
>#define RECAP_X 1.00		// Recapture extension
>#define BM_X 1.00		// Botvinnik-Markoff
>#define MTHR_X 0.50		// Mate-threat extension
>#define PAWN7_X 0.50		// Pawn to 7th extension
>#define HASHNULLMV		// Hash null move positions
>#define NULLMVADAPTIVE		// Adaptive null move,
>#endif
>
>
>Alpha=-371 Beta=429 Maxdepth=9999999 MaxTime=10000000
>Iply/Maxply Move Seconds Nodes Score Triangular PV / Hash PV
> 1/ 3> a7b7  0.00  429        7
>                                a7b7
> 1/ 3  d7f7  0.03 1056       50 d7f7
>                                d7f7
> 2/ 5  d7f7  0.05 1061      363 d7f7 b7e4 f7g7
>                                d7f7 b7e4
> 3/ 8  d7f7  0.07 1041     2108 d7f7 c5f2 d1g1
>                                d7f7 c5f2 d1g1
> 4/10  d7f7  0.15 1075     8625 d7f7 e8a8 b2b4 a8a7 b4c5
>                                d7f7 e8a8 b2b4 a8a7
> 5/14  d1b1  0.45  675    40783 d1b1
>                                d1b1 e8a8 d7c7 a8a7 c7c5
> 6/25< d1b1  0.83  274    86105
>                                d1b1 e8a8 d7c7 a8a7 c7c5 h7g8
> 6/29  b2b4  1.92  -13   212067 b2b4 c5e3 d7c7 b7e4 g2e4 e3e4 h1g1 b6g6
>                                b2b4 c5e3 d7c7 b7e4 g2e4 e3e4 h1g1 b6g6
> 7/29  b2b4  3.88  -33   441169 b2b4 c5c6 d7d6 c7d6 d1d6 c6d6 e5d6
>                                b2b4 c5c6 d7d6 c7d6 d1d6 c6d6 e5d6
> 8/29< b2b4  7.58 -433   848500
>                                b2b4 c5c6 d7d6 c7d6 d1d6 c6d6 e5d6 e8e6
> 8/29  d1d5 26.36 -929  1661443 d1d5 c5e3 d7c7 e3e1 h1h2 b6g6 g3g4 b7d5 e4d5
>                                d1d5 c5e3 d7c7 e3e1 h1h2 b6g6 g3g4 b7d5 e4d5
> 9/35  d7d8 60.34 -986  4293374 d7d8 e8d8 d1d8 c5e3 a7b8 b7e4 d8h8 h7g6 b8c7 e4g
>2 h1g2 e3e2 g2g1 e2e1 g1g2 e1e2 g2g1 e2b2
>                                d7d8 e8d8 d1d8 c5e3 a7b8 b7e4
>10/35  d7d8 143.87 -1011 11531796 d7d8 e8d8 d1d8 c5e3 e5e6
>                                d7d8 e8d8 d1d8 c5e3 e5e6 f7e6 a7b8 h7g6 f4f5 g6g
>5
>
>--Stuart



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