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Subject: Re: Positional test - Paralyzing the Knight

Author: Ed Schröder

Date: 09:02:55 02/28/01

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On February 28, 2001 at 11:59:07, Sune Larsson wrote:

>On February 28, 2001 at 11:43:26, Ed Schröder wrote:
>
>>On February 28, 2001 at 11:12:09, Sune Larsson wrote:
>>
>>>
>>>  4n3/1b3k1p/p2p2p1/3Pp3/2P3P1/6PP/2BB4/6K1 w - - 0 1
>>>
>>>  This is Hort-Ciocaltea, Budapest 1973. Only two moves are required
>>>  to immobilize the black knight and pave the way for the victorious
>>>  march of the white king to the deserted queenside:
>>>
>>>  1.g5! Bc8 2.g4! and black's position is ripe for resignation.
>>>
>>>  Test: The above move order should be rewarded with big +scores for white.
>>>
>>>  Sune
>>
>>
>>Maybe Rebel's way is as good as.... 1.Bd4 Ke7 and then 2.g5 Bc8 3.g5
>>
>>Ed
>
> Yes, and the thing to follow (like in the Richter game) is if your program
> A)Immobilizes the enemy knight. B) Keeps the horse in the stable.
> In practice playing a piece up. That is also the case in the game
> Winter-Capablanca. And this should have deserved +scores. But how you
> guys transform this chess knowledge to computer language beats me.;)
>
> Sune

I think that most programs have this kind of knowledge, this position
is just all about the mobility of the pieces.

Ed



>>---------------
>>
>>Loading...
>>
>>Engine version   : Rebel Century 3.1
>>Hash table size  :  60 Mb
>>
>>4n3/1b3k1p/p2p2p1/3Pp3/2P3P1/6PP/2BB4/6K1 w - -
>>
>>00:00:00  04.00  0.41  1.g5 Bc8 2.g4 Bd7  [1350]
>>00:00:01  06.00  0.52  1.Kf2 Ke7 2.g5 Bc8 3.g4 Bd7  [21003]
>>00:00:01  07.00  0.48  1.Kf2 Bc8 2.Bb4 h5 3.gxh5 gxh5 4.h4 Kf6  [52075]
>>00:00:03  09.00  0.61  1.g5 Bc8 2.g4 Ke7 3.Kf2 Bd7 4.Ke3 Nc7 5.Bb4  [107868]
>>00:00:04  10.00  0.65  1.g5 Bc8 2.g4 Ke7 3.Kf2 Bd7 4.Bb4 Nc7 5.c5 Nxd5 6.cxd6
>>[165688]
>>00:00:07  11.00  0.65  1.g5 Bc8 2.g4 Ke7 3.Kf2 Bd7 4.Bb4 Nc7 5.c5 Nxd5 6.cxd6
>>Ke6  [265123]
>>00:00:17  12.00  0.67  1.g5 Ke7 2.Kf2 Nc7 3.Bb4 Bc8 4.g4 Bb7 5.h4 Kd7 6.h5 Ke7
>>7.hxg6  [312378]
>>00:00:27  12.05  0.78  1.Bb4 Ke7 2.Ba4 Nf6 3.c5 dxc5 4.Bxc5 Kd8 5.d6 Nd5 6.Kf2
>>e4  [327503]
>>00:00:42  13.00  0.74  1.Bb4 Ke7 2.g5 Bc8 3.g4 Bb7 4.Kf2 Nc7 5.c5 Nxd5 6.cxd6
>>Kd7  [337210]
>>00:01:38  14.00  0.77  1.Bb4 Ke7 2.g5 Bc8 3.g4 Bd7 4.Kf2 Nc7 5.Kf3  [346005]



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