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Subject: Re: test position

Author: Harald Faber

Date: 22:52:44 08/08/01

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On August 09, 2001 at 00:25:21, Slater Wold wrote:

>On August 09, 2001 at 00:03:48, K. Burcham wrote:
>
>>
>>
>>i tested this move with three programs i have.
>>all three of these programs decided on Rc3 as the best move and stayed
>>     with this move through depth 20
>>
>>program 1. Rc3 in  :06 (seconds)
>>
>>program 2. Rc3 in 1:27
>>
>>program 3. Rc3 in over 10 minutes
>>
>>the eval of all three programs says white is down about .50, at depth 20.
>>
>>how long does it take your program to find Rc3 as the best move.
>>
>>
>>
>>   [D] 8/4p3/5bp1/pr3k1p/1prp1P1P/3R2P1/PPPR1B2/1K6 b - - 0 1
>
>,S - Deep Junior 6.0
>8/4p3/5bp1/pr3k1p/1prp1P1P/3R2P1/PPPR1B2/1K6 b - - 0 1
>
>Analysis by Deep Junior 6.0:
>
>1...Rd5 2.Re2 Kg4
>  ²  (0.48)   Depth: 6   00:00:00  1kN
>1...Rd5 2.a3 bxa3 3.Rxa3 Kg4 4.Rad3
>  ²  (0.47)   Depth: 9   00:00:00  21kN
>1...Rc3 2.Bg1 Rxd3 3.Rxd3 Ke4 4.Rd1
>  ²  (0.40)   Depth: 9   00:00:00  51kN
>1...Kg4 2.Rd1 Rc8 3.Re1 e5 4.fxe5
>  ²  (0.26)   Depth: 9   00:00:00  76kN
>1...Kg4 2.Rd1 e5 3.fxe5 Bxe5 4.Re1
>  =  (0.12)   Depth: 12   00:00:00  219kN
>1...Rc3 2.bxc3 bxc3+ 3.Kc1 cxd2+ 4.Kxd2 Ke4 5.Rb3 Rb4 6.a3 Ra4 7.Be1
>  =  (0.07)   Depth: 12   00:00:00  327kN
>1...Rc3 2.Kc1 Rxd3 3.Rxd3 Ke4 4.Kd2 a4 5.Bg1 e5 6.fxe5
>  =  (-0.07)   Depth: 15   00:00:01  2327kN
>1...Rc3 2.Kc1 Rxd3 3.Rxd3 Ke4 4.a3 b3 5.Rxb3 Rxb3 6.cxb3 d3 7.Bb6
>  =  (-0.20)   Depth: 18   00:00:08  14117kN
>1...Rc3 2.Kc1 Rxd3 3.Rxd3 Ke4 4.Bg1 a4 5.Kd2 e5 6.fxe5 Bxe5 7.Ke2
>  ³  (-0.26)   Depth: 21   00:01:07  110774kN
>1...Rc3 2.Kc1 Rxd3 3.Rxd3 Ke4 4.Be1 e5 5.fxe5 Bxe5 6.a4 Rb8 7.Kd2 Rf8 8.Ke2 Bd6
>  ³  (-0.26)   Depth: 23   00:05:29  529831kN
>
>(,  08.08.2001)
>
>~*~*~ 0:00 seconds ~*~*~
>
>On a PIV 1.7Ghz ~ 128MB hash
>
>Slate

Interesting. Here Junior 7 on Athlon-600 not within 30min. Did you play through
the line and tried it again so that position learning/hash made DeepJunior find
the move so fast?




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