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Subject: Test Position (Shredder 8 doesn't find it in reasonable amount of time!)

Author: Derek Paquette

Date: 15:05:08 03/30/04

This was posted on chessbase, the correct move is rxc3,

as soon as i play rxc3 the eval goes nuts and sky rockets, but yet it can't seem
to find it on its own!

2r2rk1/pp3pp1/4bb1p/q2p1P1Q/3P4/2N5/PP4PP/1K1R1B1R b - - 0 1

Analysis by Shredder 8:

1...Bd7 2.Qf3
  -+  (-1.48)   Depth: 1/1   00:00:00
1...Bd7 2.Qf3
  -+  (-1.48)   Depth: 4/4   00:00:00
1...Bd7 2.Qf3
  -+  (-1.48)   Depth: 4/4   00:00:00
1...Bd7 2.Qf3
  -+  (-1.48)   Depth: 4/4   00:00:00
1...Bd7 2.Qf3
  -+  (-1.48)   Depth: 4/4   00:00:00
1...Bd7 2.Qf3
  -+  (-1.48)   Depth: 4/4   00:00:00
1...Bd7 2.Qf3
  -+  (-1.48)   Depth: 4/4   00:00:00
1...Bd7 2.Qf3
  -+  (-1.48)   Depth: 5/7   00:00:00
1...Bd7 2.Qf3
  -+  (-1.48)   Depth: 6/8   00:00:00
1...Bd7 2.Qf3
  -+  (-1.48)   Depth: 7/9   00:00:00  16kN
1...Bd7 2.Qf3
  -+  (-1.48)   Depth: 8/11   00:00:00  32kN
1...Bd7 2.Qf3
  -+  (-1.48)   Depth: 9/10   00:00:00  42kN
1...Bd7 2.Qf3
  -+  (-1.48)   Depth: 10/14   00:00:00  72kN
1...Bd7 2.Qf3
  -+  (-1.48)   Depth: 11/16   00:00:01  156kN
1...Bd7 2.Qf3
  -+  (-1.48)   Depth: 12/16   00:00:01  333kN
1...Bd7 2.Qf3
  -+  (-1.48)   Depth: 13/18   00:00:02  678kN
1...Bd7 2.Qf3 Bc6 3.Ba6
  -+  (-1.48)   Depth: 14/20   00:00:04  1136kN
1...Bd7 2.Qf3 Bc6 3.Ba6 bxa6 4.Nxd5
  -+  (-1.48)   Depth: 15/26   00:00:07  1993kN
1...Bd7 2.Qf3 Ba4 3.Nxa4 Qxa4
  -+  (-1.48)   Depth: 16/28   00:00:13  3650kN
1...Bd7 2.Qf3 Ba4 3.Nxa4 Qxa4 4.Qb3 Qxb3 5.axb3 Rfe8 6.g4 Rcd8 7.Bb5 Re4 8.Rhe1
Rxg4 9.Be2
  -+  (-1.48)   Depth: 17/32   00:00:49  14553kN
1...Bd7 2.Qf3 Ba4 3.Nxa4 Qxa4 4.Qb3 Qxb3 5.axb3 Rfe8 6.g4 Rcd8 7.Bg2 Re2 8.Rhg1
Rf2 9.h3 Rf4 10.Rge1 Bxd4 11.Re7 h5
  -+  (-1.48)   Depth: 18/38   00:01:41  29766kN
1...Bd7 2.Qf3 Bc6 3.g3 Rfd8 4.Bg2 b5 5.Ne2 b4 6.Nc1 Ba4 7.Nb3 Qb6 8.Rhe1 Rc4
9.Qd3 Qb5
  -+  (-1.48)   Depth: 19/38   00:04:27  72673kN
1...Bd7 2.Qf3 Ba4 3.Nxa4 Qxa4 4.Qb3 Qxb3 5.axb3 Rfe8 6.g4 Re4 7.Bg2 Rxg4 8.Bxd5
Rc7 9.Rhe1 Rd7
  -+  (-1.45)   Depth: 20/43   00:08:49  146112kN
1...Bd7 2.Qf3 Ba4 3.Nxa4 Qxa4 4.Qb3 Qxb3 5.axb3 Rfe8 6.g3 Re3 7.Bg2 Rxb3 8.Bxd5
Rb5 9.Be4 Rb4 10.Rd2 Bxd4 11.Re1
  -+  (-1.51)   Depth: 21/44   00:15:27  259206kN
1...Bd7 2.Qf3 Bc6 3.g3 Rfd8 4.Bg2 a6 5.Rhe1 b5 6.Ne2 Re8 7.Qf2 Qb4 8.Nf4 Rxe1
9.Qxe1
  µ  (-1.36)   Depth: 22/48   00:33:18  559877kN
1...Bd7 2.Qf3 Bc6 3.g4 b5 4.Bg2 Rfd8 5.h4 b4 6.Ne2 Ba4 7.Rc1 b3 8.axb3 Rxc1+
9.Nxc1
  -+  (-1.57)   Depth: 23/52   01:11:31  1202993kN

Re: Test Position (Tao finds it in reasonable amount of time!) Bryan Hofmann 03:04:39 03/31/04
Re: Test Position (Shredder 8 doesn't find it in reasonable amount of time!) Kurt Utzinger 21:52:03 03/30/04
- Re: Test Position (Shredder 8 doesn't find it in reasonable amount of time!) Sam Lloyd 05:47:04 03/31/04
Re: Test Position (Shredder 8 doesn't find it in reasonable amount of time!) Sam Lloyd 20:16:11 03/30/04
Re: Test Position (Shredder 8 doesn't find it in reasonable amount of time!) John Merlino 15:21:40 03/30/04
- Re: Test Position (Shredder 8 doesn't find it in reasonable amount of time!) John Merlino 15:29:04 03/30/04
  - Re: Test Position (Shredder 8 doesn't find it in reasonable amount of time!) Derek Paquette 17:05:00 03/30/04
    - Re: Test Position (Shredder 8 doesn't find it in reasonable amount of time!) John Merlino 17:17:39 03/30/04
      - Re: Test Position (Shredder 8 doesn't find it in reasonable amount of time!) Derek Paquette 17:39:03 03/30/04
        
        Re: Test Position (Shredder 8 doesn't find it in reasonable amount of ti Yen Art Tham 09:40:50 03/31/04
        
        looks like ...g6 also wins... Dan Ellwein 18:54:33 03/30/04

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Last modified: Thu, 15 Apr 21 08:11:13 -0700

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