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Subject: Value of extension for pushing passed pawn

Author: Tom King

Date: 11:49:30 03/10/03


Hi all,

One search extension which most programs seem to use is the passed pawn pushing
extension. When a move is made which is a passed pawn push to the 7th rank, we
extend the search by a ply.

My programs has got away without this extension for years. Or perhaps "got away"
isn't right.. there have been losses which this extension might have prevented.

Anyway, what do people think of this extension. Worth having? If so, what value
would you attach to it?

Regards (and hi to all),
Tom
tom@silentshark.co.uk



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