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Subject: Re: What does your engine see???

Author: Robert Hyatt

Date: 11:29:46 08/23/04

Go up one level in this thread


On August 23, 2004 at 13:45:30, Drexel,Michael wrote:

>On August 23, 2004 at 13:17:50, Robert Hyatt wrote:
>
>>On August 23, 2004 at 12:50:39, Uri Blass wrote:
>>
>>>On August 23, 2004 at 12:44:32, Robert Hyatt wrote:
>>>
>>>>On August 23, 2004 at 12:04:00, Alessandro Scotti wrote:
>>>>
>>>>>On August 23, 2004 at 11:41:57, Stan Arts wrote:
>>>>>
>>>>>>On August 23, 2004 at 11:00:50, Alessandro Scotti wrote:
>>>>>>
>>>>>>>On August 23, 2004 at 10:19:54, Uri Blass wrote:
>>>>>>>
>>>>>>>>After Rh6+ Kg4 f5+ exf6 I see no mate but only draw.
>>>>>>>>Maybe you have a bug in the enpassant code and you do not consider exf6
>>>>>>>
>>>>>>>In fact, probably (*) the best continuation after Rh6+ Kg4 is Qd7+.
>>>>>>>
>>>>>>>(*) That is, my computer thinks... :-)
>>>>>>
>>>>>>Atleast there's no easy mate in sight after Nxh3 Kxh3 Rh6+.
>>>>>>Neurosis also thinks it's a draw at most for black.
>>>>>
>>>>>So far, the only engine I have found that sees Nxh3 winning easily is Pro Deo.
>>>>>(My engine is one of many that wants to play Ne6.) However, I have tried to play
>>>>>several lines with white against Pro Deo and in all cases it actually did manage
>>>>>to win easily! :-)
>>>>
>>>>
>>>>
>>>>
>>>>I don't see it winning easily.
>>>>
>>>>We can test it easily enough.  I play Kxh3.  Your (pro deo's) move...
>>>>
>>>>If Rh6+ I play Kg4.
>>>
>>>ProDeo suggests Rh6+ Kg4 g6
>>>
>>>Uri
>>
>>
>>OK, we are at Nxh3 Kxh3 Rh6+ Kg4 g6 Qe2
>>
>>Crafty says draw here. as it has from the point Nxh3 was first played...
>
>I would not rely on Crafty in such a position.

I wasn't.  I was relying on myself.  I simply ran the resulting position through
crafty to see if it might spot some tactic I overlooked.


>
>I don“t agree with Pro Deo.
>
>Qe2 Rh1 f5 Qd7!
>
>Your move
>
>Michael



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