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Subject: Fail highs..which subsequently fail low

Author: Tom King

Date: 14:33:15 08/27/00


Hi all,

a question for programmers on fail highs.

what do you do in your program if a fail high is encountered, which on the
research fails low?

I've ignored this issue, because it doesn't seem to happen all that often (in my
program). So if my program finds a move which fails high, even if the research
indicates that it maybe shouldn't have failed high, it thinks the move is good.
Maybe this is bad? At the WMCCC recently, I noticed a couple of these fail high/
fail low moves cropping up at critical, complex positions. Often I was unhappy
with the move my program chose in these cases. Perhaps these fail high/ fail low
moves need to be treated with suspicion?

Cheers,
Tom



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