Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: What do programmers think about a chess algorithm??

Author: Ingo Lindam

Date: 15:08:38 12/10/02

Go up one level in this thread


On December 10, 2002 at 18:02:46, Uri Blass wrote:

>On December 10, 2002 at 17:55:51, Dann Corbit wrote:
>
>>On December 10, 2002 at 17:51:40, Ingo Lindam wrote:
>>
>>>On December 10, 2002 at 17:30:47, Dann Corbit wrote:
>>>
>>>>On December 10, 2002 at 13:42:36, Bernardo Wesler wrote:
>>>>[snip]
>>>>>THE ALGORITHM. A MATHEMATICAL FORMULA THAT , FOR EXAMPLE, ASSURE YOU THAT IF YOU
>>>>>DO THE FIRST MOVE YOU ALWAYS WIN.
>>>>>I MEAN TO THINK ABOUT DISCOVERING A CHESS ALGORITHM IS AN UTHOPY?
>>>>
>>>>Provably impossible on current hardware and software systems.
>>>>Maybe in 100 years the game will be formally solved.  Not in the near futre.
>>>
>>>provably impossible on current hardware...?
>>>are you sure?
>>
>>Absolutely sure.
>>
>>To solve chess you must store at least the square root of nodes of the solution
>>tree.  Considering the half move clock and castle rights, it easily exhausts any
>>possibility of solution.
>
>I do not see a proof that there is no mate in 15.
>
>I am convinced in it
>>
>>>without assuming anything about the kind of solution?
>>
>>No assumptions are necessary.  We pick an adversary in the tree.  It's just like
>>how you would prove a sort works in O(f(n)).
>
>No
>
>You do not always need a tree in order to solve problems.
>I can prove that KR can beat K without a tree and without tablebases.
>
>In order to prove a mate it is enough if you divide the positions to classes and
>prove that you always can go from one class to a better class when the final
>class is mate positions.
>
>I believe that you cannot do it with the hardware of today for chess but I see
>no proof.
>
>Uri

Thank you Uri...

it's a pleasure to me to read your proof

that 'provable' was provable not right at this point. :-)

internette gruesse,
ingo



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.