RM>DT>I am not a brilliant person but I do have a definite edge over my 
RM>DT>computer (of which I play chess and often win), I know where the 
RM>DT>off-switch is located .
RM> 
RM>Having done so, I suspect you've had the same experience I
RM>have: The computer plays very tough up to a point, and then
RM>seems to turn "stupid" (for lack of a better adjective)?
RM> 
RM>It's as if when you reach the end of the envelope, the
RM>computer simply doesn't have a clue as to how to proceed,
RM>and suddenly becomes a chess beginner!  I think Deep Blue
RM>simply has a larger envelope than most computer chess
RM>programs.  I wonder if Spassky reached a point where
RM>Deep Blue turned "stupid"?
RM>___
This is especially true in the end game.  I have had positions that were 
defendable by the computer side but the computer simply could not see 
the need to defend strategic squares.  Getting to the end game is the 
difficult part because in the opening and the middle game it is 
programmed strongest.
As far as Deep Blue is concerned, it is out of my league as a player.  
But for Spassky and Kasparov, it probably did play "stupid" as you 
suggest.
Dan
 
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