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Subject: Re: Deep Fritz 7, kns increase test

Author: Uri Blass

Date: 23:42:36 08/25/02

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On August 25, 2002 at 22:27:08, Mark Young wrote:

>On August 25, 2002 at 20:42:09, K. Burcham wrote:
>
>>
>>CCC-4 test position  Rg4
>>
>>hash set at 432 megs all tests
>>
>>Deep Fritz 7,  2 x 1533 mhz,  14:10 minutes,     1686 kns
>>Deep Fritz 7,  1 x 1533 mhz,  31:05 minutes,      947 kns
>>Deep Fritz 6,  2 x 1533 mhz,  not found,         1290 kns
>>Deep Fritz 6,  1 x 1533 mhz,  did not find,      1160 kns
>>
>>
>> [D] 8/4K2p/6pr/5pk1/1pB2R2/p4PP1/8/8 w - - 0 1
>>
>
>Fritz 7 must be much faster then Deep Fritz 7 in this position. Both programs
>find it at depth 21.
>
>P4 2.53 Ghz.
>
>1.Rg4+!
>  ²  (0.50)   Depth: 21/39   00:11:36  763990kN, tb=2703 (1103 Kns)
>
>
>Analysis by Fritz 7:
>
>1.Bd5 Rh1 2.Rxb4 Re1+ 3.Kd6 Ra1 4.Ra4 Kf6 5.Ra8 h5 6.Rf8+ Kg5 7.Ra8
>  ±  (0.94)   Depth: 11/21   00:00:00  407kN
>1.Bd5 Rh1 2.Rxb4 Re1+ 3.Kd6 Ra1 4.Ra4 Kf6 5.Kc5 Rc1+ 6.Bc4 f4 7.Ra6+ Kg7 8.Kd4
>  ±  (0.94)   Depth: 12/24   00:00:00  641kN
>1.Bd5 Rh1 2.Rxb4 Rd1 3.Ke6 h5 4.Ra4 Ra1 5.Ke5 Kh6 6.Ra8 Kg5 7.f4+ Kg4
>  ±  (1.03)   Depth: 13/26   00:00:01  1440kN
>1.Bd5 Rh1 2.Rxb4 Rd1 3.Ke6 Re1+ 4.Kd6 Ra1 5.Ra4 Kf6 6.Kc5 h6 7.Ra6+ Kg7 8.f4
>  ±  (1.09)   Depth: 14/27   00:00:03  3234kN
>1.Bd5 Rh1 2.Rxb4 Rd1 3.Ke6 Re1+ 4.Kf7 Rg1
>  ±  (1.09)   Depth: 15/29   00:00:05  5938kN
>1.Bd5 Rh3 2.Rxb4 Rxg3 3.Ra4 h5 4.Rxa3 h4 5.Ra2 h3 6.Ke6 Kf4 7.Ra4+ Ke3 8.Rh4
>  ±  (0.88)   Depth: 16/31   00:00:13  14782kN
>1.Bd5 Rh3 2.Rxb4 Rxg3 3.Ra4 h5 4.Rxa3 h4 5.Ra2 h3 6.Ke6 Kf4 7.Ra4+ Ke3 8.Ke5
>  ²  (0.63)   Depth: 17/32   00:00:28  31530kN, tb=1
>1.Bd5!
>  ±  (0.91)   Depth: 18/32   00:01:02  60295kN, tb=25
>1.Bd5! Rh3 2.Rxb4 Rxg3 3.Ra4 h5 4.Rxa3 Rg1 5.Ra8 Re1+ 6.Kf7 h4 7.Rh8 Re2 8.Bb7
>  ±  (0.94)   Depth: 18/32   00:01:07  73154kN, tb=45
>1.Bd5 Rh3 2.Rxb4 Rxg3 3.Ra4 h5 4.Rxa3 Rg1 5.Ra8 Kf4 6.Kf6 h4 7.Ra4+ Kg3 8.Kxg6
>  ²  (0.69)   Depth: 19/34   00:01:53  123946kN, tb=127
>1.Bd5 Rh3 2.Rxb4 Rxg3 3.Ra4 h5 4.Rxa3 h4 5.Ra8 Kf4 6.Kf6 h3 7.Ra4+ Ke3 8.Ke5
>  ±  (0.72)   Depth: 20/36   00:04:02  264986kN, tb=560
>1.Bd5 Rh3 2.Rxb4 Rxg3 3.Ra4 h5 4.Rxa3 Rg1 5.Ra8 Kf4 6.Kf6 h4 7.Ra4+ Kg3 8.Kxg6
>  ²  (0.47)   Depth: 21/39   00:08:52  583219kN, tb=1775
>1.Rg4+!
>  ²  (0.50)   Depth: 21/39   00:11:36  763990kN, tb=2703
>1.Rg4+!
>  ²  (0.66)   Depth: 21/39   00:11:36  764000kN, tb=2703
>1.Rg4+!
>  ±  (0.97)   Depth: 21/39   00:11:36  764023kN, tb=2703
>1.Rg4+!
>  ±  (1.25)   Depth: 22/34   00:12:05  798226kN, tb=2929
>1.Rg4+--
>  ±  (0.97)   Depth: 23/42   00:13:21  887004kN, tb=4002
>1.Rg4+--
>  ±  (0.97)   Depth: 23/43   00:13:24  890562kN, tb=4038
>
>(Young, MyTown 25.08.2002)

I am not impressed by Fritz because my latest movei
finds Rg4+ at depth 14 with 2.04 pawns for white and the socre is increasing to
2.97 pawns for white at depth 15.

How much time does fritz need to see +2 score?

Uri



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