Author: Harald Faber
Date: 20:51:30 08/02/98
Go up one level in this thread
On August 02, 1998 at 03:35:04, Ed Schröder wrote: >In Rebel10 when a "fail-high" or (+) appears Rebel will immediately mark >the move as "best-move" and THEN start the re-search to figure out the >correct score. This because of the growing popularity of finding key-moves >in the so called computer test sets. As far as I know all (most?) chess >programs act like this. > >This change will result in finding key-moves average 20% faster and >therefore Rebel10 will perform a little bit better in computer test sets. > >Still you will notice that sometimes (say in 5% of the cases) the "fail-high" >or (+) is NOT rewarded by the "re-search". In this cases Rebel10 will >stick to the previous "best-move". > >I have noticed that other chess programs (all??) do not show this >behavior. When they "fail-high" the move always becomes the >"best-move". > >Is the latter true or are there programs around who behave like Rebel >in this respect? > >- Ed - At least MChessPro behaves like that. Sometimes it shows a new planned move, the actual serached, but it happens that MCP returns to the old best move.
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