Author: Robert Hyatt
Date: 05:56:26 01/08/99
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On January 08, 1999 at 04:22:09, Howard Exner wrote: >b5k1/7p/4p1pP/4P1P1/8/8/8/N5K1 w > >Here is a position based on a game between Cm6000 and Fritz 5.32. >( the recent game with the move d3 thread). >I created this position to see if Chess programs have >an accurate assessment of the relative values that the Bishop and >Knight have. Material is equal yet all endgame authors I've read usually >comment on positions like this in the following manner - "White has >a huge advantage as all the pawns are on the same side of the board. >Furthermore whites pawns cannot be attacked and once the powerfull >white Knight reaches f6 the game will be over." > > >How will programs eventually come to deal with assessing this position >correctly? Will this be a kind of position that programs will never >quite understand? Do any programs penalize the bishop here or >conversely, give the Knight extra value in this position? I do. And I've been doing this for some time... my code simply says that if pawns are on _both_ wings, the bishop is given a significant bonus over the knight. If the pawns are on one side of the board, then this is not done. It has worked pretty well, although I wouldn't say the 'value' is tuned perfectly just yet... and it isn't always correct to do this. But it is right most of the time...
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