Author: Uri Blass
Date: 22:11:46 04/30/05
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On May 01, 2005 at 01:10:07, Uri Blass wrote: >On April 30, 2005 at 21:32:14, Pedro Castro wrote: > >>Hello, >> >>I have a pair of questions on the evaluation of this position. >>[D] r2q1rk1/ppp2p2/3pn3/3Np1pn/2B1P3/3PQP2/PPP2P2/1K1R2R1 w - - 0 18 >> >>I have changed in my program DanaSah the evaluation of queen, of 900 points (100 >>pawn) to 1000 and with this change the evaluation happens of +1 for the white to >>+2, because?, both sides have queens, would not have to be the same valuation >>that before? > >No > >White can win the queen by some combination or win different material > >I guess that the line >1.Nxc7 Qxc7 2.Rxg5+ Nhg7 3.Rdg1 Rfc8 4.Bxe6 fxe6 5.Rxg7+ is evaluated different >and it effect the total score. > >For your second question than Fruit see it as less than +1 by static evaluation >and I think that part of the problem is that shredder's scores are typically >higher than other programs. > >Uri I can add that it seems Shredder probably also extend more in the relevant line after searching 12 plies so the +5 is also result of seeing deeper. Uri
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