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

Author: Sam Lloyd

Date: 20:16:11 03/30/04

Go up one level in this thread


On March 30, 2004 at 18:05:08, Derek Paquette wrote:

>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!
>
>[D]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
>  ยต  (-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



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