Author: Frank Phillips
Date: 03:27:39 09/04/04
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On September 04, 2004 at 05:55:40, GuyHaworth wrote: > >I like Rob's approach - to look for subgoals and phases. The method he >recommends is also stated (for one) in Muller/Lamprecht's 'Fundamental Chess >Endings', p18 with the supporting observations: > > - wK stays in opposition to, or a N-move, away from the bK > - the N stays near the bK, tending to cover flight-square the B doesn't > - it is essential to know 5k2/5N2/5K2/5B2/8/8/8/8/8 and the W rule. > > >It would be interesting to use the KBNK EGT to see to what extent these phases >actually occur in DTC- (== DTM-) optimal play. > >Also, one can see the distribution of squares the bK is on when mated >(WILHELM?), and test whether White still wins when those mates most remote from >the b-corner squares are removed. FCE says mate "can only be forced in the >'right corner'" so maybe this is a non-exercise. > > >I don't know of any Artificial Neural-Network experiments, aiming to capture the >hidden 'higher-level knowledge' of KBNK in the ANN parameters. Such an >experiment would be interesting. I wonder if it would capture the phasing and >principles above as well. It is fun to test simple mating algorithms against (your program using) egtbs. With modern computers a few rules and a deepish search go a long way to make up for lack of perfect technique - at least for <= 5 man.
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