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Subject: Re: Rebel with tweaked PIN value finds this position!

Author: Kurt Utzinger

Date: 12:37:14 03/27/03

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On March 27, 2003 at 10:42:28, Ed Schröder wrote:

>On March 27, 2003 at 06:33:59, Cliff Sears wrote:
>
>>Ed - Love your program!

   So do I.
   Kurt
>>
>>Posted this earlier as no engine I tested saw this combination.  Others
>>mentioned that Shredder saw this after 15 ply.  Rebel saw this in under a minute
>>after creating a personality with increased PIN and Attacking values!
>
>Thanks Cliff, I used Rebel 12, beta-1 (the best beta so far) and it took about 5 minutes on an Athlon 1200.
>
>My best,
>
>Ed

     In that case, I am testing the right engine. OK, much too less games
     played. Three games 120'/40 with Rebel 12 Beta1 on P3 800/40 MB hash
     vs Junior7 and Shredder704 on Dur 1.3/64 MB hash. No loss so far, two
     times draw and one win vs Shredder704.
     Kurt
>
>
>
>>[d]rn1r2k1/pq1p1ppp/3Rp3/2p5/2P1b3/4QNP1/P3PPBP/3R2K1 w - -
>>
>>	WHITE TO MOVE MOVE 17 OLAFSSON-LEVITT, REYKJAVIK 1990
>>
>>SOURCE - MODERN CHESS MINIATURES BY NEIL MCDONALD
>>
>>ALL ENGINES TESTED GAVE   - Qxc5
>>COMBINATION WAS - 17 Rxe6!!
>>
>>Position played was
>>
>>17 Rxe6!!   fxe6
>>18 Ng5!!    h6
>>19 Nxe4     Nc6
>>20 Nxc5  Qc7
>>21 Nxd7  Rac8
>>22 Qxe6+  Kh8
>>23 Be4!   Ne7
>>24 Rd6!  Qxc4
>>25 Qxe7  Qc1+
>>26 Kg2   Re8
>>27 Qf7  Rxe4
>>28Rg6!  resign



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