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Subject: Re: Extensions question

Author: Steve Maughan

Date: 11:23:40 01/27/05

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David,

>To your personnal point a view what is the expected gain of strenght after
>adding common extensions such as check, single reply, recapture, push passed
>pawn and mate threat

IMHO this is an approximate list:

1) Check extensions = +120 ELO
2) Recapture extension <40 ELO (heavily dependent upon implementation)
3) Pawn push to 7th < 10 ELO
4) Single Reply to check < 5 ELO
5) Many others are probably negative in over the board but +ve in test suites

Steve



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