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Subject: Re: Diep-Rebel final move a2 draw

Author: Vincent Diepeveen

Date: 12:28:37 10/21/03

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On October 21, 2003 at 09:59:22, Robert Hyatt wrote:

>On October 20, 2003 at 21:41:25, Vincent Diepeveen wrote:
>
>>On October 20, 2003 at 19:21:52, Theo van der Storm wrote:
>>
>>That's great.
>>
>>So if i disagree with any move of DIEP in the future i simply do not make it at
>>the board and it can search on for an alternative until i like one and play it
>>over the board.
>>
>>For example i disagreed bigtime with Bxf4 against Rebel.
>>
>>Nice to know that your interpretation is the opposite of the ICGA at the world
>>champs as it allows the operator more now to influence the game by simply
>>disagreeing with a move.
>>
>>All i have to do now is make a small window choice: "did you execute the move on
>>the board?"
>>
>>If the answer is: "no i didn't execute it".
>
>
>I don't see any of this in his comment nor in the rules.  Your opponent
>offers a draw, you can accept or decline.  If your program displays a

Which draw offer?

Jeroen like all strong players not exactly happy with what happened. I would
have had the same reaction. Capable of throwing the rebel computer through the
window.

We just shook hands and i annotated in the meantime 1/2-1/2 assuming Jeroen
wasn't surrendering and Jeroen left for home.

Jeroen already smelt moves before the draw happened that Rebel would miss it and
each move getting played it was as if Jeroen was missing limb after limb. He had
seen this real real quickly. I was getting prepared to surrender, but after
idiot moves like Bxc3? when Jeroen already started mourning that it still could
go wrong, i woke up for 1% more.

Of course no dubious search in DIEP, so less hashtable problems in DIEP than in
Rebel.

>move and says "play this" you have two choices.  (1) play the move which
>the program displayed;  (2) accept the pending draw offer or offer a draw.
>
>Offering/accepting ought to be taken out of the operator's hands.  My program
>offers and accepts all by itself.  _all_ programs should do this, else they
>can't play legal chess.  The ICCA ought to (finally) change the rule about
>draws to reflect this, rather than living in the 1970's and letting the operator
>make the decision.

The best horseman is always on his feet

>>
>>then printf("so i will spend more time and perhaps i'll play a better move!\n");
>>
>>Vincent
>>
>>>On October 20, 2003 at 05:30:52, Uri Blass wrote:
>>>
>>>>On October 20, 2003 at 03:55:52, Jeroen Noomen wrote:
>>>>
>>>>>On October 20, 2003 at 02:00:40, Ernst Walet wrote:
>>>>>
>>>>>I believe it went as follows:
>>>>>
>>>>>Of course I knew that after ... a2 it is a draw immediately.
>>>>>So I executed the move ... a2 on the board. Vincent typed it
>>>>>in Diep, that showed 0,00 immediately, responding Rgf8+.
>>>>>But before Vincent could execute that move, I offered the
>>>>>draw. So Rgf8+ wasn't played anymore and the correct result
>>>>>was ... a2 draw.
>>>>>
>>>>>Jeroen
>>>>
>>>>I think that the correct result is with Rgf8+
>>>>
>>>>I do not see the importance of the board for the game moves.
>>>>Computers can play also without board and the board is only for the spectators.
>>>>
>>>>Rgf8+ was the last move that Diep decided to play and Rebel did not respond to
>>>>that move and even did not get it so it is the last move of the game.
>>>>
>>>>The only case when Rgf8+ is not part of the game is in case that
>>>>Vincent does not allow Diep to finish its calculation and stop it by move now
>>>>after hearing the draw offer.
>>>>
>>>>I understand that it did not happen and Diep already played the move Rgf8 before
>>>>vincent accepted the draw.
>>>>
>>>>Uri
>>>
>>>I can give the definitive answer on this:
>>>Jeroen is right (a2 draw).
>>>We play over the board.
>>>A draw offer was accepted by Diepeveen and Diep´s move Rgf8+ was not
>>>executed over the board, so it´s not part of the game.
>>>If Diepeveen would have executed the move on the board,
>>>it would have meant a refusal of the draw offer.
>>>This interpretation of the rules has been confirmed by the arbiter(s).
>>>
>>>Theo



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