Author: Joachim Rang
Date: 13:44:42 08/13/05
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On August 13, 2005 at 16:23:14, Daniel Pineo wrote: >On August 13, 2005 at 13:59:00, Uri Blass wrote: > >>On August 13, 2005 at 13:32:06, Steve Maughan wrote: >> >>>Uri, >>> >>>>... and I think that his ideas about evaluation are clearly better than the >>>>ideas that I had before reading fruit. >>> >>>Out of interest which of Fruit's ideas are you speaking about? >>> >>>Steve >>>2)giving a small bonus for rook that is in the same file as the opponent king >>and small bonus for rook that is at distance of one file from the opponent >>king(the bonus is based on the stage of the game and is 0 in the endgame). > >Be careful with that one-off idea. A rook one file off from the enemy king is >often the worst place for it. Many times the king is preventing the rook from >invading to the 7th rank. Being one file off is really only useful if it >coordinates with other pieces to form a king attack. Of course, this is exactly >what you'll see in most test suites, so I'm sure it would look pretty good >there. > > -Dan Pineo Note that rook on king file gives a higher bonus than rook on semi-king-file. So it won't give incentive to place the rook one file off. But if you can't place it directly on the king file one file off gives half the bonus. Do you still think it is not beneficial? regards Joachim
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