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Subject: Re: The King mystery solved

Author: m.d.hurd

Date: 00:11:44 10/02/03

Go up one level in this thread


On September 28, 2003 at 10:15:55, Mihaly Szalai wrote:

>On September 27, 2003 at 21:15:03, Johan de Koning wrote:
>
>>On September 26, 2003 at 12:44:42, John Merlino wrote:
>>
>>>0:33	13/17	0.00	8912233		1.Be8 a3 2.Bxg6 hxg6 3.h7 a2 4.h8=Q
>>>					a1=Q 5.Qxa1
>>>2:38	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
>>
>>You're right about Mihaly and Mike not using default settings.
>>Not because they don't want to, but because there seems to be a(nother) little
>>twist to using The King outside Chessmaster.
>>
>>The engine itself starts up with a default value for Selective Search of 6,
>>and then receives CM's default settings which include sel=9.
>>
>>In other words, without sending explicit settings (except for opk and tts) the
>>engine stays with the old default sel=6, which translates to 1 in endgames.
>>Since this position involves zugzwang, lower sel helps. BUT!, in most middle
>>games the default sel=9 or eg SKR's sel=12 will be a bit or a lot better.
>>
>>... Johan
>
>
>Johan,
>
>thank you for the explanation.
>I set the sel value to 9 in my TheKing.eng file
>and now the engine shows the same PV in (almost)
>exactly the same time with the wb2uci adapter as
>in Chessmaster.
>Good to know such details.
>
>Best wishes
>Mihaly
>
>
>
>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.Ba6 Kb2 2.Bc4 b3 3.Bg8
>  -+  (-2.07)   Depth: 5   00:00:00
>1.Ba6 Kb2 2.Bb7 b3 3.Be4 a3 4.Bxg6
>  -+  (-2.53)   Depth: 6   00:00:00  4kN
>1.Be8 a3 2.Bxg6 Kb2 3.Bxh7 a2 4.Kc4 a1Q 5.Kxb4
>  µ  (-0.75)   Depth: 6   00:00:00  5kN
>1.Be8 a3 2.Bxg6 Kb2 3.Bxh7 a2 4.Kc4 a1Q 5.Kxb4
>  µ  (-0.75)   Depth: 7   00:00:00  10kN
>1.Be8 a3 2.Bxg6 hxg6 3.h7 a2 4.h8Q a1Q 5.Qxa1
>  =  (0.00)   Depth: 8   00:00:00  19kN
>1.Be8 a3 2.Bxg6 hxg6 3.h7 a2 4.h8Q a1Q 5.Qxa1
>  =  (0.00)   Depth: 9   00:00:00  45kN
>1.Be8 a3 2.Bxg6 hxg6 3.h7 a2 4.h8Q a1Q 5.Qxa1
>  =  (0.00)   Depth: 10   00:00:00  72kN
>1.Be8 a3 2.Bxg6 hxg6 3.h7 a2 4.h8Q a1Q 5.Qxa1
>  =  (0.00)   Depth: 11   00:00:00  132kN
>1.Be8 a3 2.Bxg6 hxg6 3.h7 a2 4.h8Q a1Q 5.Qxa1
>  =  (0.00)   Depth: 12   00:00:01  244kN
>1.Be8 a3 2.Bxg6 hxg6 3.h7 a2 4.h8Q a1Q 5.Qxa1
>  =  (0.00)   Depth: 13   00:00:02  459kN
>1.Be8 a3 2.Bxg6 hxg6 3.h7 a2 4.h8Q a1Q 5.Qxa1
>  =  (0.00)   Depth: 14   00:00:04  917kN
>1.Be8 a3 2.Bxg6 hxg6 3.h7 a2 4.h8Q a1Q 5.Qxa1
>  =  (0.00)   Depth: 15   00:00:09  1887kN
>1.Be8 a3 2.Bxg6 hxg6 3.h7 a2 4.h8Q a1Q 5.Qxa1
>  =  (0.00)   Depth: 16   00:00:19  4010kN
>1.Be8 a3 2.Bxg6 hxg6 3.h7 a2 4.h8Q a1Q 5.Qxa1
>  =  (0.00)   Depth: 17   00:00:43  8912kN
>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 Kd5 10.Kxb3 Ke4 11.Kxa2 Kf5
>  +-  (3.11)   Depth: 18   00:03:17  37142kN
>
>(Szalai, MyTown 28.09.2003)
>
>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
Hello Mihaly

Can you explain which file you modifed. I have the following line in my
WB2uci.eng :

Selective Search (sel)=cm_parm sel=%i|spin|9|0|16

What else do I need to amend ?


Regards

Mike



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