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Subject: Re: Intelligent software, please

Author: Uri Blass

Date: 03:19:07 11/26/01

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On November 26, 2001 at 06:05:42, José de Jesús García Ruvalcaba wrote:

>On November 25, 2001 at 22:22:39, Mike S. wrote:
>
>>On November 25, 2001 at 20:58:06, Ed Schröder wrote:
>>
>>>On November 25, 2001 at 17:05:54, Mike S. wrote:
>>>
>>>>On November 25, 2001 at 15:14:16, Victor Fernandez wrote:
>>>>>(...)
>>>>>Yes, an example: an ending with few pieces .
>>>>>Kotov-Botvinnik
>>>>>[D]8/8/4b1p1/2Bp3p/5P1P/1pK1Pk2/8/8 b - - 0 1
>>>>>The correct move is ...g5 !!! Few programs play this.
>>>>
>>>>You're right. This position was used as #18 in the BS-2830 computer test suite.
>>>>I don't have detailed results available at the moment, but Shep lists #18 as
>>>>unsolved on his site:
>>>
>>>Unsolvable?
>>>
>>>My latest one needs only 18 seconds.
>>
>>Impressive.
>>
>>I wonder if black can transpose the moves here... because after 1...g5 2.fxg5,
>>2...d4+ is given as the best move (see my previous post). Maybe black can play
>>1st 1...d4+ too? This has probably been discussed before somewhere. I can't
>>analyse this... Hiarcs 7.32 is one of the fastest for 2...d4+, but seemingly too
>>slow 2 plies earlier (or I am not patient enough :o). Multi pv analysis would be
>>interesting, to see if 1...g5 and 1...d4+ are equal.
>>
>>Regards,
>>M.Scheidl
>
>1... d4 2. ed4 g5 3. fg5 Kg4 4. d5 followed by Bf2
>José.
>
>[I analysed without a real board and without computer help, so I can be
>mistaken]

Kg4 is a mistake and Kg3 is winning

1...g5 2.fxg5 d4+ 3.exd4 Kg3 was played in the game.

Uri



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