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Subject: Re: time savings by single legal instant move

Author: Dan Honeycutt

Date: 04:56:17 07/21/04

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On July 21, 2004 at 05:43:57, Aivaras Juzvikas wrote:

>On July 21, 2004 at 05:38:14, Uri Blass wrote:
>
>>On July 21, 2004 at 05:33:23, Aivaras Juzvikas wrote:
>>
>>>On July 21, 2004 at 05:27:31, Uri Blass wrote:
>>>
>>>>On July 21, 2004 at 03:18:02, Aivaras Juzvikas wrote:
>>>>
>>>>>has anybody got any good ideas what to do with the time saved, when you have
>>>>>only one legal move at root position and instead of launching a search, you just
>>>>>make that move instantly.
>>>>>meybe it would be wise to add the saved time to the next move so you search it
>>>>>for twice as long as you would normally.
>>>>>im askin this question because its very hard to test it (it rarely happens).
>>>>
>>>>I do not understand your problem.
>>>>
>>>>Every move you get a new time control and decides about the time management
>>>>based on the new time control and the position.
>>>>
>>>>If you had 34 seconds for 4 moves and played a move instantly then now your new
>>>>time control is 34 seconds for 3 moves.
>>>>
>>>>Using constant time for moves is also not logical and it is important to use
>>>>more time after fail low.
>>>>
>>>>I also do not use constant time per move for other reasons and I try to stop in
>>>>most cases at the end of the iteration and the idea is that at the end of the
>>>>iteration the program cannot change it's mind quickly because it needs to search
>>>>the move that it plans to play first so if the program needs a long time to
>>>>change it's mind then it is good to play immediately and not waste time.
>>>>
>>>>Uri
>>>
>>>correct me if im wrong but having only 1 single legal move is usually because
>>>you're in check, thats a threat and more time in this case would certainly help.
>>>if its not a threat then oh well, its not like you lose much.
>>
>>It is usually because the side to move is in check but I do not see a reason
>>that it is espacially important to use time in the move after it.
>>
>>The rule should be to use more time when you believe there is a good chance to
>>change your mind and to use less time when you are almost sure that you will not
>>change your mind.
>
>good point, however i dont see how it could hurt if one did what im proposing
>here.


I do.  You want to allocate the extra time on the next move for a threat that
may or may not exist.  Better to allocate it, like Uri says, for a fail low when
you know you have trouble.

Dan H.



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