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Subject: Re: Question to Jeroen: What went wrong with Tiger?

Author: José Carlos

Date: 23:49:00 08/24/01

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On August 24, 2001 at 13:01:10, Christophe Theron wrote:

>On August 24, 2001 at 12:39:35, José Carlos wrote:
>
>>On August 24, 2001 at 12:33:26, Christophe Theron wrote:
>>
>>>On August 24, 2001 at 11:41:47, Harald Faber wrote:
>>>
>>>>With these losses it is justified that Tiger didn't become single world
>>>>champion. What is your explanation for this result? Did you play GT in
>>>>aggressive mode? What made Tiger lose especially the last game vs. an amateur?
>>>
>>>
>>>
>>>I can answer your question if you answer mine:
>>>
>>>When you flip a coin, why is it head sometimes, and some other time it is tail?
>>>
>>>
>>>    Christophe
>>
>>  Are you saying that luck is the only reason? I should consider then
>>participating with my engine... Sometimes it would be head, and sometimes
>>tail...
>>
>>  José C.
>
>
>
>Absolutely.

  Be serious. What you (and everyone) do to improve your program is exactly
answer Harald's question. What was wrong in a lost game. When you know it you
can fix it. The reason why you have a so strong program is that you're very
smart finding those hidden reasons, and of course avoiding them to happen again.
The result of a chess game is not a coin flip at all. Chess is a game with a
very small set of rules and with complete information. There's always a reason
for everything inside a chess board.

>I also wonder why nobody asked Amir what went wrong with Junior 7 when the SSDF
>match against Tiger began with 5-1 in favor of Tiger...

  That would be a good question if asked for the 6 games out of context. Every
loss of Junior there is a good test for Amir, to try to avoid whatever happened
there again.

>It seems that people are now educated enough to understand that anything can
>happen even in a 10 games match, but not enough to understand that one game
>means very little. Strange, isn't it?

  I don't think Harald was implying that Tiger is weaker than the opponent for
losing that game. He was asking for the reasons why Tiger lost that game. An
answe to this question can be very simple or very sutile: a tactical mistake in
move xx, a hole in the evaluation in move xx, a bug in the search (these are
simple reasons).

>Or maybe it's because the game was played during the WMCCC? Naturally games
>played in these magic events do not follow the basic rules of statistics.

  You're angry because you lost. You shouldn't, because you have an excellent
program. And people know.

People
>expect that a WMCCC game is 100% accurate, and that the strongest program (even
>if it is stronger only by 10 elo points) is going to win.

  Experts don't expect that.

>To the "what went wrong..." question, I think I can answer now: what's wrong is
>that people give so much importance to one game.

  Harald dindn't say the game was important. He only asked what was wrong.

>Sorry Harald, but your question has been getting on my nerves. I'm still amazed
>that you asked...

  You shouldn't. That was a good question to improve the program.

>
>    Christophe

  José C.



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