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Subject: Re: Testposition - Rare Pawn ending

Author: Alain Lyrette

Date: 08:02:18 03/05/01

Go up one level in this thread



On March 04, 2001 at 12:28:24, Enrique Irazoqui wrote:

>On March 04, 2001 at 12:05:53, Sune Larsson wrote:
>
>>
>>  [D]8/1p6/p4p1p/2p1P2k/5P2/6pP/1P4P1/6K1 w - - 0 1
>>
>>  Badai, 1962
>>
>>  A clean cut pawn ending this time, 5 versus 6 pawns. But white
>>  to move and win. This is a rare flower and not a normal ending.
>>  A Swedish IM once told me that he had studied and learned all
>>  there is about pawn endings. And that he now *knew* them all.
>>  As in the stories he then went out to play an important team match,
>>  faced a complicated (right!) pawn ending - and lost it. They can
>>  be real tricky. This one is about taking squares instead of pawns -
>>  taking space instead of material. Mind you - a pawn down in a normal
>>  ending is mostly a loss. And here white moves for the win.
>>  The solution is further down.
>>
>>  Test: White to move and win. 1) Can your program find the win?
>>                               2) How much time needed?
>>
>>  Sune
>
>I knew this one. Time to see f5 on a dual P933:
>
>Deep Shredder 125''
>Deep Fritz 3''
>Tigers 23''
>Shredder 5 201''
>Goliath light 169''
>Junior 6a 102''
>Junior 7 beta >300''
>Gandalf 4.32h 97''
>Nimzo 8 >300''
>Crafty 18.01 24''
>Hiarcs 7.32 >300''
>SOS 54''
>
>Enrique
>
>>
>>
>>
>>
>>
>>
>>
>>
>>Badai,B
>>Shajmati, 1962
>>
>>1.f5 fxe5 2.h4 c4 3.Kf1 a5 4.Ke2 a4 [4...e4 5.Ke3 a4 6.Kf4 c3 7.Kxg3 c2 8.Kh3
>>c1Q 9.g4#] 5.Kf3 c3 [5...Kxh4 6.f6] 6.Kxg3 cxb2 7.Kh3 b1Q 8.g4# 1-0
i don't get it....chessmaster5000 on celeron500..1 sec only!



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