Author: Robert Hyatt
Date: 20:05:47 01/18/05
Go up one level in this thread
On January 18, 2005 at 11:48:31, Uri Blass wrote: >On January 18, 2005 at 11:16:16, Robert Hyatt wrote: > >>On January 18, 2005 at 08:17:27, Madhavan wrote: >> >>> >>>>>i deny that,strongest program running on a faster hardware should not get a draw >>>>>or lose in many games against super grandmasters,if it does then it is >>>>>considered as not solved >>>> >>>>Solution of chess only means that the solver will never lose a match. >>>>It does not mean not getting a draw or a loss. >>> >>> >>>then consider there are 5 grandmasters and 1 program playing in the tournament >>>that program is said to be "chess solvable",it does not lose to any of the >>>grandmasters but drew with 2 grandmaster >>>one of the grandmaster drew the machine but won all the game against other >>>grandmasters,then that grandmaster will be declared as event winner,but loses >>>few game in another event then what is your point? >> >> >>That wasn't my definition. When chess is solved, we will know, from the initial >>position, whether white wins or loses or draws. And for any white first move, >>we will know the correct black first move to preserve the game status as defined >>by white's first move. Repeat forever. > > >We can know the result of the initial position without knowing everything later. > >You can know that chess is a draw if you only know 1 and 2: > >1)1.e4 leads to draw. >2)For every alternative of white black has a move that achieves at least a >draw(we do not need to know if it is a win or a draw) > >It means that you may know only that 1.d4 Nf6 is at least a draw for black and >know nothing about the results of 1.d4 d5 so we do not know the best reply >against 1.d4 but only that 1...Nf6 is good enough to draw(1...d5 may win and be >better than 1...Nf6). > >Uri Solved doesn't just mean I know it is won for white. It means I can _win_ it with white against any black defense. Hence I need all the information about the tree to play the game perfectly. Otherwise I play 1.e4 and if black doesn't resign because that is the only winning move for white, what do I do to ensure I win? :)
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