Author: Peter McKenzie
Date: 16:47:14 05/22/00
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On May 22, 2000 at 03:37:27, blass uri wrote: >On May 22, 2000 at 03:22:37, Peter McKenzie wrote: > >>Recently I've noticed that my program tends to overvalue pawns, so I've been >>playing with reducing the pawn value. How does one test such a change? Not >>easily thats for sure! >> >>One thing I did was play 150 games vs the old version (new version scored 56% - >>yay), but I'm a little suspicious about how useful this information is. For >>starters the time control was fast (2min + 2sec inc, on P133), although does >>this really matter for this type of change? >> >>I guess I'll probably just go with the new version and keep an eye on its play >>on ICC... >> >>cheers, >>Peter > >I know that Amir Ban found the same thing with Junior5 and this is the reason >that Junior6a cannot find the famous sacrifice of Junior against nimzo from >WCCC. Well, perhaps its better not to find that sacrifice than to find it for the wrong reasons ?! I mean, the point of the sac was to get a crushing attack on the king not to win 2 or 3 pawns for a piece. So the sac should have been found by clever king safety evaluation (or by search), rather than by a high pawn value. > >Uri
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