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Subject: Re: Shredder Classic 1.3 vs Glaurung 0.2.4 FRC

Author: Günther Simon

Date: 03:53:40 08/02/05

Go up one level in this thread


On August 02, 2005 at 06:41:26, Günther Simon wrote:

>On August 02, 2005 at 05:58:54, Jorge Pichard wrote:
>
>>
>>1. b3 {+0.26/11 36s} d5 {-0.12/11 39s} 2. d4 {+0.17/11 32s}
>>c6 {-0.11/11 28s} 3. c4 {+0.07/11 33s} dxc4 {0.00/11 50s}
>>4. bxc4 {0.00/12 48s} Nf6 {-0.13/10 34s} 5. e4 {+0.26/10
>>27s} b5 {-0.25/10 24s} 6. c5 {+0.26/11 40s} Bb7 {-0.35/11
>>38s} 7. Bb2 {+0.39/11 53s} b4 {-0.41/11 23s} 8. f3
>>{+0.44/11 19s} a5 {-0.47/11 23s} 9. Qe3 {+0.47/11 36s} h5
>>{-0.71/9 24s} 10. a3 {+0.87/9 22s} h4 {-1.02/9 43s}
>>11. axb4 {+1.16/9 17s} axb4 {-1.23/10 31s} 12. Kf2
>>{+1.38/10 26s} g5 {-1.56/10 39s} 13. d5 {+1.45/10 30s} cxd5
>>{-1.61/10 29s} 14. Qb3 {+1.89/10 39s} Bc7 {-1.89/9 18s}
>>15. Bxf6 {+1.66/9 19s} exf6 {-1.71/11 28s} 16. exd5
>>{+1.64/11 25s} g4 {-1.66/10 22s} 17. d6 {+1.66/10 24s} g3+
>>{-1.91/10 30s} 18. Kf1 {+1.91/11 22s} Nxd6 {-1.89/11 23s}
>>19. cxd6 {+2.00/11 21s} Bxd6 {-1.99/11 14s} 20. Rxd6
>>{+1.85/11 22s} Rxd6 {-1.85/11 10s} 21. Qxb4 {+1.95/11 18s}
>>Ba6+ {-1.95/11 20s} 22. Bd3 {+2.18/11 17s} Bxd3+ {-2.18/11
>>19s} 23. Ncxd3 {+2.20/12 15s} Ke7 {-2.20/12 18s} 24. Nc5
>>{+2.20/10 8s} Qb8 {-2.09/11 10s} 25. Nb7 {+2.15/11 8s} Rhd8
>>{-2.19/11 11s} 26. Nd3 {+2.19/11 15s} Qa7 {-2.14/11 16s} *
>
>I wonder about the very low search depths regarding thinking time?
>Is this, because you use an ancient CPU, or is it FRC specific
>that programs lose 5-6 plies of depth? (I doubt both...)
>
>Guenther

Well I was right, no idea what you do here?
Even if Shredder Classic should be slightly slower than
S9.1, it is impossible to reach such low depths in those
thinking times! (and depth 9 will be reached immediately always
by Shredder anyway)

Look at that analysis of move 1 below and this is on my
very old PIII 650! S9.1 needs only 5 sec. to reach 11 ply
and is already in 14 after 25 sec.

Shredder 9.1 UCI by Stefan Meyer-Kahlen, www.shredderchess.com
Engine: Shredder 9 UCI (128 MB)
von Stefan Meyer-Kahlen
  9/18	 0:01 	+0.27++	1.b3 (115.182) 68
  9/18	 0:01 	+0.27 	1.b3 b6 2.d4 Le4 3.f3 (117.843) 68
 10/19	 0:02 	+0.03 	1.b3 d5 2.f3 b6 3.Le5 f6 (208.216) 75
 10/19	 0:02 	+0.04++	1.f3 (227.434) 76
 10/19	 0:03 	+0.10 	1.f3 f6 2.b3 b6 3.c4 De6 4.De3 c5 5.Lb2 Lb7 (239.361) 77
 10/19	 0:03 	+0.11++	1.c3 (259.927) 77
 10/19	 0:03 	+0.12 	1.c3 d5 2.f3 c6 3.De3 Sf6 4.d4 e6 5.Dg5 Se7 (286.810) 79
 11/20	 0:05 	+0.13 	1.c3 b6 2.d4 f6 3.e4 c5 4.f3 c4 5.d5 Lb7 6.Dd4 (468.877) 82
 11/20	 0:05 	+0.14++	1.b3 (485.832) 82
 11/20	 0:07 	+0.25 	1.b3 b6 2.f3 (615.938) 84
 11/20	 0:07 	+0.26++	1.f3 (655.369) 84
 11/20	 0:08 	+0.28 	1.f3 c6 2.b3 Sf6 3.c4 d5 4.De3 dxc4 5.bxc4 Sb6 6.Ld3 e6
(732.438) 86
 12/20	 0:10 	+0.15 	1.f3 b6 2.c4 f6 3.b3 De6 4.Lb2 Lb7 5.De3 c5 6.Le4 Lxe4
(883.315) 86
 12/20	 0:10 	+0.16++	1.b3 (927.382) 87
 12/21	 0:12 	+0.21 	1.b3 b6 2.c4 c6 3.f3 f6 (1.075.739) 87
 13/22	 0:18 	+0.24 	1.b3 c6 2.f3 Sf6 3.Lb2 d5 4.De3 e6 5.c4 dxc4 6.bxc4 Sb6
7.Ld3 Ld6 (1.619.147) 89
 14/24	 0:25 	+0.20 	1.b3 c6 2.f3 d5 3.De3 b6 4.c4 dxc4 5.bxc4 Sf6 6.Lb2 Lb7
7.Scd3 e6 8.Se5 (2.271.479) 90
 14/26	 0:34 	+0.21++	1.c4 (3.016.387) 87
 14/26	 0:41 	+0.21 	1.c4 c6 (3.669.115) 87



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