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Subject: Re: time savings by single legal instant move

Author: Eric Oldre

Date: 07:36:40 07/21/04

Go up one level in this thread


On July 21, 2004 at 07:56:17, Dan Honeycutt wrote:

>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.


Dan,
I'm not sure I know what use mean by a fail-low in this context. Does that mean
a fail low on an aspiration window?

Eric



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