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Subject: Re: If you like to solve easy forced mate...

Author: leonid

Date: 13:22:56 01/24/01

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On January 24, 2001 at 11:43:03, Paul wrote:

>On January 24, 2001 at 11:38:17, leonid wrote:
>>Are those forced mate positions came from chess championships? I doubt very
>>much. They are very good for fun and revision of code. They are useful. But I
>>would like also see some forced mate from real games. Sometime, some program
>>could be very good in artificial positions but not in real one. Maybe mine is
>>one of them. It could be also that all forced mate postiions, from real world
>>chess championship, are now very simple for every imaginable chess program or
>>mate solver. True or not? I just have not response to this. Best response is
>>direct trial.
>Most of the high mate ones: WM18, WM10, WM9, etc were from actual games ...
>but I haven't the time to check right now.

Than it came to me as big surprise. It look as more probably that those mate
positions were found after the game, when some detailed and deep thinking was
possible. During the championship, when people have only some one or one half of
a minute to think (I actually don't know how long time usually each game take)
it is highly improbable that somebody will reach mate even at 9 moves. My guess
is that it should be mainly around 3 and 7 moves. I could be wrong.


>>Position with pawn at 7th row was solved instantly.
>Well, then at least your minor promotion code is flawless!

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