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Subject: Re: u2600 - rook sac from Lambchop-Grok

Author: blass uri

Date: 07:18:25 04/30/99

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On April 29, 1999 at 20:14:55, James Swafford wrote:

>On April 27, 1999 at 16:08:59, Peter Kappler wrote:
>
>>On April 27, 1999 at 15:35:06, Will Singleton wrote:
>>
>>>
>>>Amateur doesn't find the move after 2 minutes and 9 ply, liking Be7 with +3.  I
>>>better get busy and try out the single-reply extension.  Problem is, I use
>>>psuedo-legal moves, so I'm not sure how to tell when I only have one reply!
>>>
>>>Will
>>
>>
>>I have the same problem with Grok, and it's making it difficult for me to
>>implement this extension efficiently.
>>
>>--Peter
>
>You don't have to generate legal moves for every position
>to implement this, just nodes in which you are in check.


You need to generate legal moves for every position to implement single-reply
extension

You do not need tp do it for every position if you do only single reply to check
extension.

Uri






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