Author: Vincent Diepeveen
Date: 09:14:59 02/26/04
Go up one level in this thread
On February 26, 2004 at 04:23:01, Gerd Isenberg wrote: ><snip> >>>To avoid the white versus side to move score chaos, it makes sense to mirror all >>>>current black to move positions vertically with white to move. >>> >>>Oups, with mirror vertically i mean white pawn on e2 becomes black pawn on e7 >>>and so on. >> >>i prefer also left right mirrorring. I bet diep is one of the few programs still >>displaying the same score then :) > >A good point, with respect to castle rights of course. >In my current program there are some asymmetries in (early) middlegame :-( > >In my new approach i will implement FRC-castles, but mirroring castles (rights) >is still not possible since king/rooks target squares are still asymmetric. > >Gerd You're not getting my point exactly. Try some known testset positions at Fritz and mirror them diagonally over a1-h8 , so both color mirroring and left right mirrorring. Will it still find the solutions? I bet several positions it won't :) In all those positions there has already been castled, so no such problems. I'm talking about king safety patterns which are there for g,h file but not a,b file.
This page took 0 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.