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Subject: Re: Rybka bugs comment

Author: David Dahlem

Date: 07:52:42 12/08/05

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On December 08, 2005 at 10:14:50, Eelco de Groot wrote:

>Hello Dave,
>
>About your comment about Rybka's hash size setting, I get at least different
>results setting the hash size for Rybka in ChessPartner, so I'm assuming that
>parameter does work there. What problems did you observe? Maybe I missed some
>posts...

Hi Eelco

I'm using Rybka in Arena, and the only parameter in the configure window is
"Search Direction". How or where can the hash size be changed?

Regards
Dave


>
>Just a quick test in Kevin Burcham's, superprogrammer, testposition:
>
>[D]3qbr1k/r3p3/2p1Pp1b/ppN2Pp1/P1pP4/2P2B2/2Q3KP/1R3R2 b - - 0 1
>
>Rybka with 4 Mb HT
>
>00:00:00.0	0,24	3	349	Qd6
>00:00:00.0	0,29	4	1359	Qd6
>00:00:00.0	0,28	5	3386	Qd6 Ne4
>00:00:00.1	0,33	6	7168	Qd6 Ne4 Qc7
>00:00:00.4	0,28	7	27997	Qd6 Qe2 Kg8 Bh5
>00:00:00.5	0,32	7	41551	Rg8 h3 Qd6 Ne4
>00:00:00.8	0,34	7	59471	Kh7 Rh1 g4 Bxg4
>00:00:02.0	0,37	8	147742	Kh7 h3 Qd6 Be4 Bg7
>00:00:02.6	0,35	9	190180	Kh7 h3 Qd6 Qe2 Rg8 Be4
>00:00:03.2	0,36	9	235122	g4 Bxg4 Rg8 Kh3 b4 Bf3
>00:00:03.5	0,31	10	262586	g4 Bxg4 Rg8 Kh3 b4 Bf3 Bf4
>00:00:05.1	0,35	10	376427	Kh7 h3 Qd6 Qe2 Rg8 Be4 Bg7
>00:00:10.4	0,36	11	783104	Kh7 h3 Qd6 Qe2 Rg8 Ne4 Qc7 Nc5 Qd6 Ne4
>00:00:15.5	0,32	12	1151425	Kh7 h3 Qd6 Qe2 Rg8 Be4 Qc7 Rb2 Bg7
>00:00:19.0	0,38	12	1433011	g4 Bxg4 Rg8 Qe4 Bd2 axb5 cxb5 Rf3 b4 Rh3+
>00:00:27.0	0,29	13	2027187	g4 Bxg4 Rg8 Qe4 Qd6 Rf2 Ra8 h3 Rb8 Na6
>00:00:54.7	0,30	14	4187706	g4 Bxg4 Rg8 Qe4 Qd5 Kh3 Qxe4 Nxe4 Kg7 Rg1
>00:01:22.4	0,37	15	6366615	g4 Bxg4 Rg8 Qe4 Qd5 Kh3 Qxe4 Nxe4 Kh7 Be2
>00:02:13.6	0,39	16	10297630	g4 Bxg4 Rg8 Qe4 b4 cxb4 axb4 Rxb4
>
>with 64 Mb HT
>
>00:00:00.0	0,24	3	349	Qd6
>00:00:00.0	0,29	4	1359	Qd6
>00:00:00.1	0,28	5	3386	Qd6 Ne4
>00:00:00.1	0,33	6	7168	Qd6 Ne4 Qc7
>00:00:00.4	0,28	7	27997	Qd6 Qe2 Kg8 Bh5
>00:00:00.6	0,32	7	41623	Rg8 h3 Qd6 Ne4
>00:00:00.8	0,34	7	59776	Kh7 Rh1 g4 Bxg4
>00:00:02.0	0,37	8	148850	Kh7 h3 Qd6 Be4 Bg7
>00:00:02.7	0,37	9	200108	Kh7 Be4 Rg8 h3 Qd6 Qe2
>00:00:04.1	0,35	10	317056	Kh7 Be4 Rg8 h3 Qd6 Qe2 Bg7
>00:00:12.2	0,35	11	959225	Kh7 Rfe1 Qd6 Re4 Rg8 Qe2 Ra8 Nd7
>00:00:19.5	0,23	12	1559966	Kh7 h3 Rg8 Rfd1 Qb6 Qf2 Bg7 Qe2 Qd8
>00:00:31.5	0,38	12	2567880	g4 Bxg4 Rg8 Qe4 Bd2 axb5 cxb5 Rf3 b4 d5
>00:00:35.2	0,47	13	2858603	g4 Bxg4 Rg8 Qe4 Bd2 axb5 cxb5 Rf3 b4 d5
>00:00:43.7	0,43	14	3511424	g4 Bxg4 Rg8 Qe4 Bd2 axb5 cxb5 Rf3 b4 cxb4
>00:00:58.5	0,45	15	4624079	g4 Bxg4 Rg8 Qe4 Bd2 axb5 cxb5 Rf3 b4 cxb4
>00:01:58.1	0,28	16	9014891	g4 Bxg4 Rg8 Qe4 Bd2 axb5 cxb5 Rf3 b4 Rh3+
>
> Regards, Eelco



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