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Subject: Re: A very hard to find winning move that Junior 6 don't find !!

Author: Howard Exner

Date: 13:25:33 02/16/00

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On February 16, 2000 at 14:24:20, Vincent Lejeune wrote:

>On February 15, 2000 at 13:08:19, Côme wrote:
>
>>
>>
>>Hello,
>>In this position:
>>[D]4q1kr/p6p/1prQPppB/4n3/4P3/2P5/PP2B2P/R5K1 w - - 0 1
>>
>>After 10 min on my K6 II 350 Junior 6 don't find the winning move Qxe5!! .
>>I guess that no program is able to find this move but Can you test others
>>programs ?
>>Best Regards
>>Alexandre Côme
>
>I don't see how white can progress after this sequence of moves :
>
>[Event "?"]
>[Site "?"]
>[Date "????.??.??"]
>[Round "?"]
>[White "?"]
>[Black "?"]
>[Result "*"]
>[SetUp "1"]
>[FEN "4q1kr/p6p/1prQPppB/4n3/4P3/2P5/PP2B2P/R5K1 w - - 0 1"]
>[PlyCount "12"]
>
>1. Qxe5 fxe5 2. Rf1 Rc7 3. Bd1 b5

b5 is a good defensive move. White should adapt and play 3. a4 instead of Bd1.
This should help to get the crucial a2g8 diagonal for the bishop.

>4. Bb3 Rc4 5. Kh1
>Qe7 6. Kg2 Qe8 *
>
>Here, if white wait while playing his rook between f1 and f3 or his king between
>g2 and h1 then black can make no progress.
>In my sens 1. Qxe5 is not winning it's simply drawing from in inferior position.
>This draw is very deep (about 20 plies), a computer could find it after many
>hours of "thinking".



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