Author: Duncan Roberts
Date: 12:46:37 01/08/05
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On January 07, 2005 at 10:37:47, Vincent Diepeveen wrote: >On January 07, 2005 at 10:33:39, Duncan Roberts wrote: > >I'm under the impression you still do not realize how stupid a material only >search is. a material only search is not designed to find good moves, and it is also not designed to tell you if it does find this forced material loss whether it is a win for white, as black could find compensation (either material or positional.) it IS designed to find (if it exists) material loss. it has according to dann I believe a more than likely chance even with null move of doing this. duncan > >>On January 07, 2005 at 10:02:15, Vincent Diepeveen wrote: >> >>>On January 07, 2005 at 08:12:52, Duncan Roberts wrote: >>> >>>If there would be material win for white within say 60 plies of search from >>>openings position then: >>> a) it would have been found already if winning for white by GM's and >>>especially by corr players. >> >>as only a small percentage of the positions possible withion 60 plies have been >>analysed by gms' it is by no means impossible that they have missed something >> >> >> Hell, even Uri Blass with his autistic logics could >>>figure it out. >>> b) when not winning for white black has some real great compensation >>> perhaps black has a mate in 2 or something which my evaluation sees >>> tens of plies in advance but your 60 ply beancounter will miss it >>> c) a 60 ply material only search will reveal nothing significant as the >>>position is only evaluated by material. >> >>well if there is a pawn to be taken in 60 plys, there is a good chance that the >>60 ply search will reveal it. It is useful to know that. black may or may not >>have compensation, but if you do not try you will not know. >> >>>Who knows, perhaps white has a passer on >>>the 7th row already promoting in 1 step. >> >>yes a 60 ply material search will not reveal a material gain on 61 ply. >> >>and similarly a 34 ply material search will not reveal a material gain on 35 >>ply. >> >>the solution is NOT to not bother trying to go for a 34 ply search, but to first >>try to get to the 34 ply search and then later as resources allow to get to the >>35 ply search. >> >> >>Rome was not built in a day >> >>duncan >> >> >> >> >>> >>>Are you sure that you didn't realize all this yet and the other 100 reasons why >>>it will contribute nothing to science. >>> >>>Oh i realize again why i hardly read any posting on this forum... ...it's just >>>such a waste of time. People at kids level... >> >>I appreciate you taking the time to share your vast computer chess knowledge >>with this forum. >> >> >>duncan
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