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Subject: Re: Positions from the WCCC2005: Deep Sjeng - Zappa

Author: Joshua Haglund

Date: 02:47:44 08/27/05

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I see no problem win b4, opens a file. a4 closes the position.

It's 36. c5 that doesn't look good.

Maybe a penalty for enabling the opponent to double his rooks on the a-file?

Joshua Haglund
toneewa@yahoo.com

On August 26, 2005 at 08:14:21, Gian-Carlo Pascutto wrote:

>[D]2r2k2/5pp1/1p1p1q1p/p1rRpP2/2PbP3/PP4P1/3QB1KP/2R5 b - -
>
>Zappa played 27. .. Ke7, which looks funny, but is not bad. In fact, against
>Deep Sjeng (and countless other programs) it is the winning move. Like a red lap
>against a bull, Deep Sjeng replied with b4?? which is losing. Black's king looks
>exposed in the center but is in reality unassainable, instead *white* must be
>careful. Zappa must have seen it because the score went up immediately after b4.
>
>White can at least draw with 28. a4.
>
>Your mission is: avoid 28. b4
>
>[D]3k4/6p1/3p1pP1/4pP2/3bP2q/r2B1Q1p/7P/3R3K w - -
>
>49. Rb1 loses instantly because after Rc3, white is in zugzwang! Deep Sjeng
>could not avoid it because of that. Can your program (and does it understand
>what is happening)?
>
>--
>GCP



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