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

Author: chandler yergin

Date: 17:34:15 04/23/05

Go up one level in this thread


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!



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