Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Very odd play here.. Is this a Bug?

Author: chandler yergin

Date: 01:57:54 04/24/05

Go up one level in this thread


On April 23, 2005 at 21:09:15, Terry McCracken wrote:

>On April 23, 2005 at 20:34:15, chandler yergin wrote:
>
>>On April 23, 2005 at 19:56:19, John Merlino wrote:
>>
>>>On April 23, 2005 at 15:57:10, chandler yergin wrote:
>>>
>>>>On April 23, 2005 at 13:43:10, Günther Simon wrote:
>>>>
>>>>>On April 23, 2005 at 10:40:50, chandler yergin wrote:
>>>>>
>>>>>>Programmers help me out here please.
>>>>>>
>>>>>>Computers are so materialistic, why wouldn't Fritz capture the Bishop?
>>>>>>
>>>>>>Very Odd play
>>>>>>
>>>>>>[D]8/6k1/7p/7p/2K5/4p3/3B1b2/8 w - - 0 1
>>>>>>
>>>>>>New game,
>>>>>>[D]8/6k1/7p/7p/2K5/4p3/3B1b2/8 w - - 0 1
>>>>>>
>>>>>>Analysis by Fritz 8:
>>>>>>
>>>>>>1.Bxe3 Bg3 2.Bd4+ Kg6 3.Bf6 Kf5 4.Kd5
>>>>>>  µ  (-0.97)   Depth: 5/11   00:00:00  1kN
>>>>>>1.Bxe3 Bg3 2.Bd4+ Kg6 3.Bf6 Kf5 4.Kd5
>>>>>>  µ  (-0.97)   Depth: 5/11   00:00:00  1kN
>>>>>>1.Bxe3 Bg3 2.Bd4+ Kg6 3.Bf6 Kf5 4.Kd5
>>>>>>  µ  (-0.97)   Depth: 5/11   00:00:00  1kN
>>>>>>1.Bxe3 Bg3 2.Kd5 h4 3.Bf4 Kf6 4.Ke4
>>>>>>  µ  (-1.16)   Depth: 7/11   00:00:01  6kN, tb=2
>>>>>>1.Bxe3 Bg3 2.Kd5 h4 3.Bf4 Kf6 4.Ke4
>>>>>>  µ  (-1.16)   Depth: 7/11   00:00:01  6kN, tb=2
>>>>>>1.Bxe3 Bg3 2.Bd4+ Kg6 3.Bf6 Kf5 4.Kd5 Kf4 5.Bd4
>>>>>>  µ  (-1.00)   Depth: 8/13   00:00:02  14kN, tb=5
>>>>>>1.Bxe3 Bg3 2.Bd4+ Kg6 3.Bf6 Kf5 4.Kd5 Kf4 5.Be5+ Kf3 6.Bd4
>>>>>>  µ  (-1.00)   Depth: 9/15   00:00:05  29kN, tb=25
>>>>>>1.Bxe3 Bg3 2.Bd4+ Kg6 3.Bf6 Kf5 4.Kd3 Kf4 5.Ke2 Ke4 6.Bh4
>>>>>>  µ  (-1.00)   Depth: 10/18   00:00:06  53kN, tb=55
>>>>>>1.Bxe3 Bg3 2.Kd5 h4 3.Bf4 Bf2 4.Ke4 h3 5.Kf3 Bg1 6.Bh2
>>>>>>  µ  (-0.84)   Depth: 11/17   00:00:10  121kN, tb=162
>>>>>>1.Bxe3 Bg3 2.Bf4 h4 3.Kd4 Kg6 4.Ke4 Kh5 5.Kf3 Be1 6.Be5 h3 7.Ke4
>>>>>>  µ  (-0.81)   Depth: 12/17   00:00:15  236kN, tb=285
>>>>>>1.Bxe3 Bg3 2.Bf2 h4 3.Kd3 h5 4.Ke2 Kf7 5.Kf3 Bd6 6.Bxh4 Ke6 7.Ke4 Be5 8.Bf6
>>>>>>  ³  (-0.59)   Depth: 13/19   00:00:22  536kN, tb=864
>>>>>>1.Bxe3 Bg3 2.Bf2 h4 3.Kd3 h5 4.Ke2 Kf7 5.Kf3 Bd6 6.Bxh4 Ke6 7.Ke4 Be5 8.Bf6
>>>>>>  ³  (-0.59)   Depth: 14/19   00:00:23  797kN, tb=1393
>>>>>>1.Bxe3!
>>>>>>  ³  (-0.31)   Depth: 15/21   00:00:32  1754kN, tb=3140
>>>>>>1.Bxe3!
>>>>>>  =  (-0.03)   Depth: 16/21   00:00:33  2424kN, tb=4555
>>>>>>1.Bxe3 Bg3 2.Kd3 h4 3.Bf2 h5 4.Ke2 Kf7 5.Kf3 Bd6 6.Bxh4 Ke6 7.Ke4 Be5 8.Bf6
>>>>>>  =  (0.00)   Depth: 17/21   00:00:36  3211kN, tb=7269
>>>>>>1.Bxe3 Bg3 2.Kd3 h4 3.Bf2 h5 4.Ke2 Kf7 5.Kf3 Bd6 6.Bxh4 Ke6 7.Ke4 Be5 8.Bf6
>>>>>>  =  (0.00)   Depth: 18/21   00:00:38  3872kN, tb=9522
>>>>>>1.Bxe3 Bg3 2.Kd3 h4 3.Bf2 h5 4.Ke2 Kf7 5.Kf3 Bd6 6.Bxh4 Ke6 7.Ke4 Be5 8.Bf6
>>>>>>  =  (0.00)   Depth: 19/24   00:00:43  5301kN, tb=15314
>>>>>>1.Bxe3 Bg3 2.Kd3 h4 3.Bf2 h5 4.Ke2 Kf7 5.Kf3 Bd6 6.Bxh4 Ke6 7.Ke4 Be5 8.Bf6
>>>>>>  =  (0.00)   Depth: 20/24   00:00:47  8341kN, tb=23421
>>>>>>1.Bxe3 Bg3 2.Kd3 h4 3.Bf2 h5 4.Ke2 Kf7 5.Kf3 Bd6 6.Bxh4 Ke6 7.Ke4 Be5 8.Kf3
>>>>>>  =  (0.00)   Depth: 21/25   00:01:02  13559kN, tb=39189
>>>>>>1.Bxe3 Bg3 2.Kd3 h4 3.Bf2 h5 4.Ke2 Kf7 5.Kf3 Bd6 6.Bxh4 Ke6 7.Ke4 Be5 8.Kf3
>>>>>>  =  (0.00)   Depth: 22/26   00:01:16  24273kN, tb=60151
>>>>>>1.Bxe3 Bg3 2.Kd3 h4 3.Bf2 h5 4.Ke2 Kf7 5.Kf3 Bd6 6.Bxh4 Ke6 7.Ke4 Be5 8.Kf3
>>>>>>  =  (0.00)   Depth: 23/29   00:01:54  42568kN, tb=114394
>>>>>>1.Bxe3 Bg3 2.Kd3 h4 3.Bf2 h5 4.Ke2 Kf7 5.Kf3 Bd6 6.Bxh4 Ke6 7.Ke4 Be5 8.Kf3
>>>>>>  =  (0.00)   Depth: 24/30   00:03:11  91351kN, tb=191512
>>>>>>1.Bxe3 Bg3 2.Kd3 h4 3.Bf2 h5 4.Ke2 Kf7 5.Kf3 Bd6 6.Bxh4 Ke6 7.Ke4 Be5 8.Kf3
>>>>>>  =  (0.00)   Depth: 25/30   00:05:56  150027kN, tb=307376
>>>>>>
>>>>>>(,  23.04.2005)
>>>>>>
>>>>>>Why would the Program not capture the White Bishop?
>>>>>
>>>>>
>>>>>I really don't understand your strange posts in the last time?
>>>>>It is draw anyway, if you want it to play otherwise here, just
>>>>>disable the tablebases and it will remain materialistic.
>>>>
>>>>You can try to explain it.. you can try to defend it..
>>>>
>>>>I say..
>>>>
>>>>It's BUG! The Programmers should fix it!
>>>
>>>It is not in any conceivable way a bug. No matter whether the program takes the
>>>Bishop or not, the game is a draw. How, then, can one move be better than
>>>another?
>>>
>>>First you say that computers are materialistic (which sounds like a derogatory
>>>comment), then you complain when they DON'T play materialistically?
>>
>>Not at all... Material is everything! You can't win a game without a material
>>
>>advantage or positional compensation equal to or better than.
>>
>>>
>>>According to you, White MUST capture Black's Queen in this position:
>>
>>Not according to me!  That's just an even  trade!
>>
>>What don't you understand about that?
>>
>>Do you think a Grandmaster would not have taken the Bishop?
>>
>>Or a Beginner?
>>
>>Or any Human Chess Player?
>>
>>>
>>>[D]k7/1q6/8/3Q4/P7/K7/8/8 w - - 0 1
>>>
>>>But it's a draw anyway, so why should it matter if White plays Qxb7+ or any
>>>other drawing move?
>>>
>>>The answer is that it doesn't matter at all.
>>>
>>>jm
>>      THe point is that humans and Computers do not play the same.
>>Computers don't have intelligence!
>>
>>It shows!
>
>I think John knows the machine isn't intelligent....but it isn't intelligent to
>make such a fuss either.

  My point Terry is... until other Engines evaluate the position & make the same
move, ignoring the Bishop capture, we won't know if this is peculiar to the
one Program or not.

I would like to see some Postings, and we might get a better feel for
'computer thinking' as compared to humans.
OK?



This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.