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Subject: Re: BS 2830 Problem #5 is wrong.

Author: Bas Hamstra

Date: 08:23:25 03/17/04

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On March 17, 2004 at 10:25:12, Vincent Diepeveen wrote:

>On March 17, 2004 at 08:28:17, Joachim Rang wrote:
>
>>On March 17, 2004 at 07:50:13, Vincent Diepeveen wrote:
>>
>>>On March 16, 2004 at 18:58:46, Dann Corbit wrote:
>>>
>>>>See this thread:
>>>>http://www.talkchess.com/forums/1/message.html?354948
>>>
>>>It is a correct position.
>>>
>>>CAP with crafty, way to proof positions :)
>>
>>yes Rxe6 leads to a win for white, but can you _prove_ that Qh3 does not win
>>too?
>>
>>regards Joachim
>
>that's not interesting. Rxe6 wins by big big force and with a big margin.
>Qh3 is an obvious long struggle. So Rxe6 is the best move by far. the rest is
>not interesting.

You might very well be right. A won simplified position is to be preferred above
a won complex position, with always the risk of overlooking a deep tactic or get
lost in a difficult schwindle. Any human will choose the first. We just needed a
well-rated player to confirm that it's an easyily won endgame, and I guess it's
confirmed now. Did you notice which commercial programs solved it?

- Fritz 5.32
- TheKing
- Hiarcs

That's it, all the rest are confused by speculative king-safety after Qh3, while
there seems no catastrophal tactic in the Qh3 line.


Bas.






















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