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Subject: Re: Test position from Corr. world champion

Author: Chris Taylor

Date: 16:04:33 01/19/04

Go up one level in this thread


On January 19, 2004 at 14:58:28, Claude Le Page wrote:

>Hello Jouni!
>I submitted this position to the top engines : only 3 found ...Bb2
>Deep fritz8 15" , Crafty 19.08 17" , junior7 20"
>Others fail :ChessTiger15 , junior8 , Deep junior8 ,Deep junior8YY ,
>Deepjunior8ZX , fritz8 , Hiarcs 8 , hiarcs 9 , Hiarcs 8Bareev , shredder7
>,shredder8 don't find in 1'30"
>Friendly Yours
>Claude Le Page


AMD 2000 XP+ 192Mb hash, on an identical machine but with some 6 piece egtb it
finds it in 58 seconds
Hiarcs 9 finds it on machine 2:

New game
8/8/8/p6B/Pr1b1k1p/4p3/R5KP/8 b - - 0 1

Analysis by Hiarcs 9:

1...Rb2+ 2.Rxb2 Bxb2
  ³  (-0.52)   Depth: 1/7   00:00:00
1...Rb3 2.Re2 Rb4 3.Be8
  -+  (-1.56)   Depth: 1/7   00:00:00
  -+  (-1.44)   Depth: 3/8   00:00:00
1...Bb2 2.Be2
  -+  (-1.48)   Depth: 3/9   00:00:00
  -+  (-1.48)   Depth: 3/9   00:00:00
1...Bf6 2.Kf1 Rb1+ 3.Ke2 Rh1 4.Kd3
  -+  (-1.50)   Depth: 3/9   00:00:00
  -+  (-1.41)   Depth: 5/13   00:00:00  4kN
1...Bb2 2.Kf1 Ke4 3.Bg6+ Kf3 4.Bh5+
  -+  (-1.42)   Depth: 5/13   00:00:00  5kN
  -+  (-1.42)   Depth: 5/13   00:00:00  5kN
1...Bc3 2.Kf1 Kg5 3.Be2 Rf4+ 4.Kg2
  -+  (-1.43)   Depth: 5/13   00:00:00  11kN
  -+  (-1.44)   Depth: 5/13   00:00:00  12kN
1...Be5 2.Be2 Ke4 3.Kh3 Bf6 4.Kg4 Rd4 5.Kh3
  -+  (-1.45)   Depth: 5/13   00:00:00  12kN
  µ  (-1.36)   Depth: 9/20   00:00:00  178kN
1...Rc4 2.Kh3 Bf6 3.Rg2 Ke5 4.Be8 Rc3 5.Re2 Kf4 6.Bb5 Ke4
  µ  (-1.37)   Depth: 9/21   00:00:01  342kN, tb=1
  µ  (-1.30)   Depth: 12/28   00:00:12  3706kN, tb=12
1...Be5 2.Be2 Ke4 3.Bb5 Rb3 4.Re2 h3+ 5.Kxh3 Rxb5 6.axb5 Kd3 7.Re1 Kd2
  µ  (-1.30)   Depth: 12/28   00:00:16  4842kN, tb=16
  µ  (-1.35)   Depth: 13/30   00:00:47  14364kN, tb=76
1...Bb2 2.Kf1 Be5 3.Be8 Rc4 4.Ke2 Rc1 5.Bf7
  µ  (-1.36)   Depth: 13/30   00:01:07  20220kN, tb=155
  µ  (-1.36)   Depth: 14/33   00:01:50  33136kN, tb=248

(Taylor, Notts 19.01.2004)






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