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Subject: Re: To NON-believers in EGTB benefits... (your analysis is wrong)

Author: Uri Blass

Date: 00:00:29 11/21/05

Go up one level in this thread


On November 21, 2005 at 02:42:11, enrico carrisco wrote:

>On November 21, 2005 at 02:38:15, Uri Blass wrote:
>
>>On November 20, 2005 at 22:42:02, enrico carrisco wrote:
>>
>>>Let's take a simple KRK ending...
>>>
>>>[D]8/2k5/8/3R4/8/8/5K2/8 w - - 0 1
>>>
>>>Now let's run it through some of our favorite new and old engines without using
>>>any egtb's... (i.e. engine's knowledge of the ending only.)
>>>
>>>8/2k5/8/3R4/8/8/5K2/8 w - - 0 1
>>
>><snipped>
>>>Now let's use Fruit 2.2.1 in the same conditions (no egtb):
>>>
>>>8/2k5/8/3R4/8/8/5K2/8 w - - 0 1
>>>
>>>Analysis by Fruit 2.2.1:
>>>
>>>1.Ke3
>>>  +-  (5.45)   Depth: 1/1   00:00:00
>>>1.Ke3 Kc6
>>>  +-  (5.57)   Depth: 2/2   00:00:00
>>>1.Ke3 Kc6 2.Ke4
>>>  +-  (5.45)   Depth: 3/4   00:00:00
>>>1.Kg3 Kb7 2.Kf4
>>>  +-  (5.55)   Depth: 3/6   00:00:00
>>>1.Kg3 Kb7 2.Kf4 Kc6
>>>  +-  (5.58)   Depth: 4/6   00:00:00
>>>1.Ke3 Kc6 2.Ke4 Kc7
>>>  +-  (5.76)   Depth: 4/6   00:00:00
>>>1.Ke3 Kc6 2.Ke4 Kc7 3.Rc5+ Kd6
>>>  +-  (5.57)   Depth: 5/8   00:00:00
>>>1.Ke3 Kc6 2.Kd4 Kb6 3.Rc5 Kb7
>>>  +-  (5.85)   Depth: 6/10   00:00:00  13kN
>>>1.Ke3 Kc6 2.Kd4 Kb6 3.Rd6+ Kb5 4.Rg6 Kb4 5.Rb6+ Ka4
>>>  +-  (5.89)   Depth: 7/11   00:00:00  58kN
>>>1.Ke3 Kc6 2.Kd4 Kb6 3.Rd6+ Kb5 4.Rg6 Kb4 5.Rb6+ Ka5
>>>  +-  (5.89)   Depth: 8/13   00:00:01  238kN
>>>1.Ke3 Kc6 2.Kd4 Kb6 3.Rd7 Kb5 4.Rd6 Kb4 5.Rb6+ Ka5
>>>  +-  (5.89)   Depth: 9/14   00:00:01  972kN
>>>1.Ke3 Kc6 2.Kd4 Kb6 3.Ke5 Kc7 4.Rc5+ Kd7 5.Rc1 Ke7 6.Rc7+ Kd8
>>>  +-  (6.25)   Depth: 10/18   00:00:01  3671kN
>>>1.Ke3 Kc6 2.Kd4 Kb6 3.Ke5 Kc7 4.Rb5 Kd7 5.Rc5 Ke7 6.Rc7+ Kd8
>>>  +-  (6.25)   Depth: 11/19   00:00:05  13571kN
>>>1.Rh5 Kd6 2.Ke3 Ke6 3.Kd4 Kd6 4.Rh6+ Ke7 5.Rc6 Ke8 6.Rc7 Kd8
>>>  +-  (6.26)   Depth: 11/20   00:00:18  48869kN
>>>1.Rh5 Kd6 2.Ke2 Kd7 3.Kd3 Kc6 4.Rh6+ Kc7 5.Rg6 Kb8 6.Rg7 Kc8 7.Kd4
>>>  +-  (6.14)   Depth: 12/20   00:00:28  77398kN
>>>1.Ke3 Kc6 2.Ke4 Kc7 3.Ke5 Kc6 4.Ke6 Kc7 5.Rd6 Kc8 6.Rd7 Kb8
>>>  +-  (6.33)   Depth: 12/20   00:00:30  83851kN
>>>1.Ke3 Kc6 2.Kd4 Kb6 3.Rc5 Kb7 4.Ke5 Ka7 5.Rc6 Kb8 6.Rc4 Ka8 7.Rc7
>>>  +-  (6.45)   Depth: 13/22   00:01:43  279150kN
>>
>>Something is wrong in your analysis
>>
>
>This is interesting.  What size hash did you use?  I assume your settings are
>default.
>
>I just re-checked it and I am getting the same analysis.
>
>-elc.

I use 512 mbytes hash

Uri



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