Author: chandler yergin
Date: 17:29:32 01/12/05
Go up one level in this thread
On January 12, 2005 at 20:21:29, Dann Corbit wrote: >On January 12, 2005 at 20:02:33, chandler yergin wrote: > >>On January 12, 2005 at 19:54:14, Dann Corbit wrote: >> >>>On January 12, 2005 at 19:27:05, chandler yergin wrote: >>> >>>>On January 12, 2005 at 19:11:12, Dann Corbit wrote: >>>> >>>>>On January 12, 2005 at 19:04:31, chandler yergin wrote: >>>>> >>>>>>So says Mark Twain.... >>>>>> >>>>>>You Programmers are spreading lies, misinformation, & disinformation. >>>>>> >>>>>>However I should not attribute to Malice, what can be explained by Ignorance! >>>>>> >>>>>>Computers will NEVER SOLVE CHESS! >>>>>>Stop your Nonsense! >>>>> >>>>>If man were meant to fly, he'd have wings. >>>>>Man will never fly faster than sound. >>>>>Man will never go to the moon. >>>>> >>>>>Things that seem impossible quickly become possible. >>>>> >>>>>In this particular case, it is even obvious mathematically how it will come >>>>>about. >>>> >>>>If you understood Mathmatics, you wouldn't say that! >>>> >>>>It IS Obvious, that it's an Impossibility! >>>> >>>>The Question of "whether or not God exists" is a Philosophical & Meataphysical >>>>Question. >>>>Would you agree? >>>> >>>>Some say.. "It can't be Proven". >>>>With a Philosophical Question, there are NO 'right or wrong' answers... >>>> >>>>With Mathmatics, there ARE 'right & wrong' answers. >>>> >>>>Your perception is in error! >>>> >>>>THINK! >>>> >>>>"In a tree, from the Starting Position, there are 20 possible moves for white. >>>>There are 20 * 20 = 400 possible moves for black, depending on what white does. >>>>Then there are 400 * 20 = 8,000 for white. Then there are 8,000 * 20 = 160,000 >>>>for black, and so on. If you were to fully develop the entire tree for all >>>>possible chess moves, the total number of board positions is about >>>>1,000,000,000,000,000,000,000,000, >>>>000,000,000,000,000,000,000,000,000,000,000,000,000,000, >>>>000,000,000,000,000,000,000,000,000,000,000,000,000,000, >>>>000,000,000,000, or 10^120, give or take a few. That's a very big number. For >>>>example, there have only been 10^26 nanoseconds since the Big Bang. There are >>>>thought to be only 10^75 atoms in the entire universe. When you consider that >>>>the Milky Way galaxy contains billions of suns, and there are billions of >>>>galaxies, you can see that that's a whole lot of atoms. That number is dwarfed >>>>by the number of possible chess moves. Chess is a pretty intricate game!" >>>> >>>>NOW, Do you want to "Disprove" this... >>>>OR, >>>>Re-think your position? >>>> >>>>HMMMMM? >>>>Stop the Nonsense! >>> >>>You do not have to calculate all the games. You only have to calculate all the >>>positions. There are about 10^43 of them: >>>http://mathworld.wolfram.com/Chess.html >>> >>>KD has encoded chess positions into 162 bits, which gives an absolute upper >>>maximum on the number of board positions as: >>>2^162 = 5846006549323611672814739330865132078623730171904 possible positions. >>>(about 5.846e48) >>> >>>So, if we take that figure, then we would need a tree of sqrt(5.846e48) = >>>2417851639229258349412352 positions (which is less than one mole of them) to >>>store a complete solution tree. >>> >>>This was proven by Knuth in 1972. >>> >>>There are some other things that the programmer would have to track (hmc and >>>3-way repeat, for instance) but that is trivial. >>> >>>My brother in law's father has a patent on a storage medium that will hold a >>>terrabyte per square centimeter. So the storage for such a collection is >>>already nearly possible. That would require 2417851639229 square centimeters, >>>which is 241785163 square meters = 241 square kilometers. >>>Since there are 230.4 acres per square kilometer, that means we would need a >>>mere 55,430 acres of the stuff. >>> >>>If someone were to invest a few billion dollars, we could do it today. But we >>>may as well wait 40 years, in which time it will cost a few pennies to do it. >> >> >>NONSENSE! >>You can put all 6 Billion people of the world in the State of Texas too... >> and have room left over. So what? >> >>Mathmatically.. Chess, as I showed has 10^ 120th Power possible number of >>moves... in an "Average Game!" >>Increase that by a move or two, and the number of possible moves IS almost >>"infinite" > >You do not have to solve the moves. You only need to know the best move from >each position. YES! How do you know what the "Best MOVE" IS, untill you Brute Force them ALL! ?????????????? Now Stop your NONSENSE! > >>You, are convincing no one.. well maybe some, but certainly NOT ME! > >I do not expect to convince you. You aren't listening.
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