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Subject: Re: Testposition for all - except Junior

Author: John Merlino

Date: 13:36:02 09/26/03

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On September 26, 2003 at 15:55:20, Mihaly Szalai wrote:

>On September 26, 2003 at 15:33:53, John Merlino wrote:
>
>>On September 26, 2003 at 14:00:19, Mihaly Szalai wrote:
>>
>>>
>>>
>>>Thank you, John. You may find interesting that The King is faster
>>>in solving this position under the Fritz GUI (with the Malin
>>>adapter, default settings) on my slower machine (Celeron 1.7 Ghz).
>>>Here is the output from Fritz and below that is the output from
>>>the CM 9000 GUI.
>>>
>>>
>>>New game
>>>8/7p/6pP/1B4P1/pp6/1k1K4/8/8 w - - 0 1
>>>
>>>Analysis by The King 3.23d:
>>>
>>>1.Be8 a3 2.Bxg6
>>>  µ  (-0.88)   Depth: 3   00:00:00
>>>1.Bc4+ Kb2 2.Bg8 a3 3.Bxh7
>>>  ł  (-0.70)   Depth: 3   00:00:00
>>>1.Bc4+ Kb2 2.Bg8 a3 3.Bxh7
>>>  ł  (-0.70)   Depth: 4   00:00:00
>>>1.Bc4+ Kb2 2.Bf7 a3 3.Bxg6 a2 4.Bxh7 a1Q
>>>  -+  (-2.23)   Depth: 5   00:00:00
>>>1.Be8 a3 2.Bxg6 a2 3.Bxh7 a1Q 4.g6
>>>  -+  (-2.09)   Depth: 5   00:00:00
>>>1.Be8 a3 2.Bxg6 Kb2 3.Bxh7 a2 4.Kc4 a1Q 5.Kxb4
>>>  µ  (-0.75)   Depth: 6   00:00:00  6kN
>>>1.Be8 a3 2.Bxg6 Kb2 3.Bxh7 a2 4.Kc4 a1Q 5.Kxb4
>>>  µ  (-0.75)   Depth: 7   00:00:00  14kN
>>>1.Be8 a3 2.Bxg6 hxg6 3.h7 a2 4.h8Q a1Q 5.Qxa1
>>>  =  (0.00)   Depth: 8   00:00:00  36kN
>>>1.Be8 a3 2.Bxg6 hxg6 3.h7 a2 4.h8Q a1Q 5.Qxa1
>>>  =  (0.00)   Depth: 9   00:00:00  70kN
>>>1.Be8 a3 2.Bxg6 hxg6 3.h7 a2 4.h8Q a1Q 5.Qxa1
>>>  =  (0.00)   Depth: 10   00:00:00  139kN
>>>1.Be8 a3 2.Bxg6 hxg6 3.h7 a2 4.h8Q a1Q 5.Qxa1
>>>  =  (0.00)   Depth: 11   00:00:01  256kN
>>>1.Be8 a3 2.Bxg6 hxg6 3.h7 a2 4.h8Q a1Q 5.Qxa1
>>>  =  (0.00)   Depth: 12   00:00:02  492kN
>>>1.Be8 a3 2.Bxg6 hxg6 3.h7 a2 4.h8Q a1Q 5.Qxa1
>>>  =  (0.00)   Depth: 13   00:00:04  962kN
>>>1.Be8 a3 2.Bxg6 hxg6 3.h7 a2 4.h8Q a1Q 5.Qxa1
>>>  =  (0.00)   Depth: 14   00:00:09  2001kN
>>>1.Be8 a3 2.Bxg6 hxg6 3.h7 a2 4.h8B Ka3 5.Kc2 b3+ 6.Kc1 Ka4 7.Kb2 Kb4 8.Bg7 Kc4
>>>9.Ka3 Kc5 10.Kxb3
>>>  ±  (0.98)   Depth: 15   00:00:24  5005kN
>>>1.Be8 a3 2.Bxg6 hxg6 3.h7 a2 4.h8B Ka3 5.Kc2 b3+ 6.Kc1 Ka4 7.Kb2 Kb4 8.Bg7 a1Q+
>>>9.Kxa1 Kb5 10.Kb2 Kb4 11.Be5 Kc4
>>>  +-  (1.86)   Depth: 16   00:00:56  11395kN
>>>
>>>(Szalai, MyTown 26.09.2003)
>>>
>>>CM 9000:
>>>
>>>Time	Depth	Score	Positions	Moves
>>>0:01	8/12	0.00	244835		1.Be8 a3 2.Bxg6 hxg6 3.h7 a2 4.h8=Q
>>>					a1=Q 5.Qxa1
>>>0:02	9/13	0.00	459719		1.Be8 a3 2.Bxg6 hxg6 3.h7 a2 4.h8=Q
>>>					a1=Q 5.Qxa1
>>>0:04	10/14	0.00	917335		1.Be8 a3 2.Bxg6 hxg6 3.h7 a2 4.h8=Q
>>>					a1=Q 5.Qxa1
>>>0:09	11/15	0.00	1887372		1.Be8 a3 2.Bxg6 hxg6 3.h7 a2 4.h8=Q
>>>					a1=Q 5.Qxa1
>>>0:20	12/16	0.00	4010653		1.Be8 a3 2.Bxg6 hxg6 3.h7 a2 4.h8=Q
>>>					a1=Q 5.Qxa1
>>>0:45	13/17	0.00	8912233		1.Be8 a3 2.Bxg6 hxg6 3.h7 a2 4.h8=Q
>>>					a1=Q 5.Qxa1
>>>3:25	14/18	3.11	37142500	1.Be8 a3 2.Bxg6 hxg6 3.h7 a2 4.h8=B
>>>					Ka3 5.Kc2 b3+ 6.Kc1 Ka4 7.Kb2 Kb4
>>>					8.Bg7 Kc4 9.Ka3 Kd5 10.Kxb3 Ke4
>>>					11.Kxa2 Kf5
>>
>>I suspect you are using a different personality than the default, which is what
>>I used. The depth difference shown above makes this clear, I think....
>>
>>jm
>
>
>No, this is the default personality, I checked it.
>
>Mihaly

The only other possible difference would be the hash table size, but it
certainly shouldn't account for an almost 400% difference in speed. I'll check
my machine at home and make sure it was using 32MB (more than enough for this
position). How much are you using?

jm



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