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Subject: Re: Another interesting Anti-Null move position (from a real game)

Author: Vincent Diepeveen

Date: 14:35:57 06/15/04

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On June 15, 2004 at 17:31:38, Dieter Buerssner wrote:

>On June 14, 2004 at 19:20:57, Anthony Cozzie wrote:
>
>
>>Zappa doesn't get it either (gxh5 @ 15 ply after 1 minute).  Zappa relies on
>>double nullmove for zugzwang avoidance.  This works find for positions with 1
>>zugzwang, but in this position black gets hit with about 10 of them :)
>
>Perhaps, with little more patience, Zappa will find it. Yace needs depth 13. I
>estimate with normal double null move, R=2 it would need 15, R=3 perhaps 17.
>
>Regards,
>Dieter

So the tactical line to find for white is just a few ply :

qd2+   1
kg4 (extend)  2
qe3    2
null   3
null   4
b5     5
axb5   qsearch

So 5 + 2R.

The important thing is to get a score for gxh5 below the score of this line,
that's all.

• Re: Another interesting Anti-Null move position (from a real game) Dieter Buerssner 14:42:11 06/15/04
  • Re: Another interesting Anti-Null move position (from a real game) Anthony Cozzie 15:25:51 06/15/04
  • Re: Another interesting Anti-Null move position (from a real game) Dieter Buerssner 14:52:15 06/15/04
    • Re: Another interesting Anti-Null move position (from a real game) Vincent Diepeveen 15:30:20 06/15/04

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