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Subject: Re: An amazing checkmate. Can your program find it?

Author: José de Jesús García Ruvalcaba

Date: 12:07:40 12/23/99

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On December 22, 1999 at 19:54:21, Fernando Villegas wrote:

>On December 22, 1999 at 16:10:51, Dann Corbit wrote:
>
>>On December 22, 1999 at 15:57:14, Djordje Vidanovic wrote:
>>
>>>On December 22, 1999 at 14:10:56, Dann Corbit wrote:
>>>
>>>>Have a look at this tremendous checkmate Chest found from the famous 1924 New
>>>>York Chess Club championship:
>>>>2r3k1/5ppp/7r/Q7/3P1p2/1N3Pnq/PP3K1P/R5R1 b - - acd 10; acn 535351375; acs
>>>>15279; bm Ne4+; ce 32750; dm 9; id "C.A.P. 812153"; pv Ne4+ fxe4 Qe3+ Kf1 Rxh2
>>>>Rxg7+ Kxg7 Qe5+ f6 Qe7+ Kg6 Qxf6+ Kxf6 e5+ Kg6 e6 Qf2#;
>>>>
>>>>I will be amazed if any general purpose program (or even most GM's) can find it.
>>>
>>>Dan, prepare to be amazed... I copied and pasted the position into the two
>>>programs that accept epd's correctly right off -- Zarkov 4.30 and Genius 6.5.
>>>Zarkov came up with the right continuation immediately and saw that it was
>>>winning, but did not announce the mate in about two or three minutes.  However,
>>>Genius 6.5 was just incredible -- it announced _mate in 10 in 16 seconds_, with
>>>me logged on, and with a couple of other apps running on my PII-400...  So, be
>>>amazed :)))
>>
>>Both are pretty amazing results.  But it is a mate in 9.  Did any program find
>>the closer mate?
>
>
>That's is what mathematicians call "elegance". And sometimes not to be elegant
>is "losing". I remember a guy in my Math course in the university that was just
>badly qualified because he solved a problem -a tricky one- because he showed a
>somewhat long row of calculations, two or three expressions beyond the minimum.
>He said "¿How is this, teacher, the result is OK" and the teacher said " i do
>not care about results, I care about the better thinking..."
>The guy was me ...:-(
>fernando
>Fernando

	That has nothing to do with elegance. I have also given lower grades to
students who give unnecesarily long answers, but the real reason is because they
are making me work more!
José.



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