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Subject: Re: Hydra . Kasi - the error is not at 26 but at 34 (revised)

Author: Uri Blass

Date: 23:23:08 11/20/05

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On November 20, 2005 at 19:28:03, A. Steen wrote:

>On November 20, 2005 at 18:09:46, George Tsavdaris wrote:
>
>>On November 20, 2005 at 17:55:28, Drexel,Michael wrote:
>>
>>>>[D]r6k/p2bq3/np1p1brn/1NpPp1pp/1PP1Pp2/P2Q1P1P/1R3NP1/3BBRK1 b - - 0 26
>>>>
>>>>Uri, with great respect, in this position 26 .. Ra-g8 is a fine move and made at
>>>>the perfect time (in my opinion).  White's pieces (especially the N on b5) are
>>>>not well-placed for a defence on the K-side, and white has not yet begun a pawn
>>>>push on the Q-side. To delay is not wise, white may regroup and bring his
>>>>misplaced N back.
>>>
>>>
>>>Nonsense, to delay would have been _very_ wise.
>>>Black has nothing to fear on the Qeenside and should strive for a quiet
>>>manouvering game, not for an all-out suicidal attack against the Supercomputer.
>>
>> In this case i agree. Although Rag8 looks tempting as it gets all pieces in
>>from of white's King, human should consider that it plays against a computer
>>that sees everything and in wild tactical positions it's not easy or even
>>impossible to outplay it. So a more careful approach was better.
>
>In
>
>http://www.talkchess.com/forums/1/message.html?463219
>
>I provided a simple analysis to show how black can force a draw.  Unfortunately,
>Kasimdzhanov fumbled 8 moves later.
>
>So there is nothing "tempting" about .. Ra-g8.  It is a top-class GM move,
>showing that Kasimdzhanov is a top-class GM.

I do not agree.

White has no active plan and if the target is forcing a draw then Kg8-h8-g8 is
also enough for a draw.

The only justification for Rag8 is if it can force a win.

Uri



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