Author: Robert Hyatt
Date: 15:01:14 12/21/99
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On December 21, 1999 at 16:07:45, leonid wrote: >Hello! > >Since I see here Robert Hyatt, I am too tempted to ask him one question: Do you >remember how effective could be expected usage of Least Valuable Attacker? >I am asking this since I failed to use this formula succesfully. MVV work in my >code well. > >Thank you for response! >Leonid. I never tried one without the other. Hsu and I had a discussion in r.g.c.c a few years ago, and I added MVV/LVA to crafty so that I could compare the two accurately. All you do is use two loops, the first to find the most valuable piece that is under attack, the second to find the least valuable piece that is attacking that piece. The obvious idea is that you would rather try pxr before qxr, as pxr wins material no matter what, while qxr might lose big material if the rook is defended. And since mvv/lva doesn't know about 'what is defended' it would make that mistake.. I've used SEE for move ordering since the middle 70's... Bob
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