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Subject: Re: Testposition - The Winning Arrow

Author: Sune Larsson

Date: 03:14:14 03/03/01

Go up one level in this thread

On March 03, 2001 at 04:50:49, Ernst Walet wrote:

>On March 02, 2001 at 13:55:02, Enrique Irazoqui wrote:
>>
>>Deep Shredder plays f4 in 6 seconds. Deep Fritz in 66 and Junior 7 beta doesn't
>>find it in less than 5 minutes.
>>
>>Enrique
>
>Enrique, what hardware and hashtable size did you use?  I tried Deep Fritz on my
>machine and it took 409 seconds to find f4.

 I can add here that on my PIII 800, 128 MB hash used, Deep Fritz
 finds 1.f4 in 73 seconds - with a draw score.

 Sune
>
>New position
>8/p1p2pp1/1pP3p1/3Pb2k/4P3/5P1P/8/3K2B1 w - - 0 1
>
>Analysis by Deep Fritz:
>
>1.Be3 g5 2.Bf2 a5 3.Kc2 a4 4.Kb1 b5 5.Bc5
>  µ  (-0.91)   Depth: 11/19   00:00:00  284kN
>1.Bf2!
>  µ  (-0.87)   Depth: 11/20   00:00:01  379kN
>1.Bf2 a5 2.Kc2 a4 3.Be1 a3 4.Kb3 Bd6 5.Bc3 Kh4 6.e5 Bc5
>  ³  (-0.66)   Depth: 12/21   00:00:02  783kN
>1.Be3!
>  ³  (-0.62)   Depth: 12/21   00:00:03  1060kN
>1.Be3 g5 2.Bf2 a5 3.Kc2 a4 4.Be1 f6 5.Bc3 Bd6 6.Be1
>  µ  (-0.72)   Depth: 13/22   00:00:05  1952kN
>1.Be3 f6 2.f4 Bd6 3.Ke2 a5 4.Kf3 a4 5.Bd4 g5 6.e5 Bc5
>  µ  (-0.72)   Depth: 14/25   00:00:12  4696kN
>1.Be3 g5 2.Bc1 Bd6 3.e5 Bxe5 4.Ba3 Kh4 5.d6 g6 6.d7 Bf6
>  ³  (-0.56)   Depth: 15/28   00:00:19  7310kN
>1.Be3 g5 2.Bc1 Bd6 3.e5 Bxe5 4.Ba3 Kg6 5.d6 a5 6.d7 Bf6
>  µ  (-0.75)   Depth: 16/29   00:00:32  12556kN
>1.Bf2!
>  µ  (-0.72)   Depth: 16/31   00:00:53  20407kN
>1.Bf2! a5 2.f4 Bxf4 3.Bd4 f6 4.e5 fxe5 5.Be3 a4 6.d6 a3
>  ³  (-0.53)   Depth: 16/33   00:01:08  25997kN
>1.Bf2 a5 2.Be1 g5 3.Kc2 f6 4.Kb3 Kg6 5.Bc3 Bd6 6.Be1 Kh5
>  ³  (-0.56)   Depth: 17/35   00:01:57  44908kN
>1.Bf2 f6 2.f4 Bxf4 3.Ke2 Bd6 4.Kf3 Be7 5.Bg3 Bd8 6.d6 cxd6
>  ³  (-0.50)   Depth: 18/37   00:04:17  98226kN
>1.f4!
>  ³  (-0.47)   Depth: 18/37   00:06:49  157500kN
>1.f4!
>  =  (0.00)   Depth: 19/39   00:07:26  172403kN
>1.f4 Bxf4 2.Bd4 f6 3.e5 fxe5 4.Be3 Bg3 5.Bf2 Bf4 6.Be3 Bg3
>  =  (0.00)   Depth: 20/38   00:09:11  214984kN
>
>(PIII-500E, 128MB hash, 3+4 men EGTB, 03.03.2001)
>
>
>Ernst.

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