Author: Dann Corbit
Date: 22:56:12 05/03/01
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On May 04, 2001 at 01:46:06, Pham Minh Tri wrote: >Hi friends, > >Some recent posts raise some interesting questions to me: What is chess the >problem and has it been solved or not? Many people believe that we can not solve >the chess problem because of exponential cost and can only approximate the >solutions, which is good enough. However, we have not been given clear and >unique definitions of the chess problem and of what is a solution. If you give >me one, the answer would probably be different. I think, with almost all >definitions, we can be happy to say, the chess problem was solved (or been >solved in this year). For example: > >Some old books (actually, I did not read about their definitions but could infer >from them) define a chess problem in that with any given positions of chess, we >would know the results and how to defeat (or draw) the opponent. I am sure those >problems were solved with some evidence: > >1) Opening positions: To me, any good chess programs of people in this club >could beat me easily all games, even if I play the white or black side. The >situation is the same with almost all people in the world (as they may be beaten >by the best chess programs). With some top players like Garry, the DB has beaten >him since 1997 in an __old__ computer. I think with the best computer nowadays >(note that I mention any kinds of computer, not only PC), which may be 1000 >times as fast as DB, and a huge additional knowledge of 4 years, they could beat >any GMs. Opening positions are all experimental, and they change over time. When the openings are solved, then the game will be solved. Until then it is a heuristic approxmiation. >2) Endgames: our software (in general), knew how to solve them all. Endgames are solved if you have enough tablebase files on your disk and a board population small enough to measure with it. >This post is just for fun, to bring you a little more energy and optimism. >Please do not take too seriously when discussing here :-)) > >Have a good weekend, >Pham
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