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Subject: Re: Diep-Deep Sjeng Continued from Prev. Page

Author: Peter Berger

Date: 14:05:02 01/01/04

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On January 01, 2004 at 16:57:10, Stephen Ham wrote:

>On December 30, 2003 at 07:28:55, Lex Loep wrote:
>
>>Perhaps a bit late but still nice reading, article by Gian-Carlo Pascutto.
>>
>>http://www.lokasoft.nl/deep_sjeng_in_wccc2003.html
>>
>>Lex
>
>"Up against the 512 processor monster! Deep Sjeng played well and got a nice
>attack going, but in the end white also got a passed a-pawn, and the game was
>drawn. A nice example of the simple attacking chess Deep Sjeng excels at.
>"
>
>The comment is not really exact. After 12. ... c6!, good book move, Diep was out
>of Book. If Diep had continued with 13. Rg1 instead of 13. Qb3?, the result
>would have been another thing. However, Sjeng was not able to exploit the wasted
>time by Diep from moves 13 to 17. On fact, 13. Qb3? begins a short wrong plan in
>the queen side when the attack is in the king side.
>
>At the end, several inaccuracies on the Sjeng behalf let Diep to save the game.
>
>Regards, Arturo Ochoa M.
>
>
>Dear Arturo,
>
>I think you have the board set up incorrectly. 13 Rg1 is impossible since
>White's previous move was 12 O-O.

Hi Steve,

I think Arturo referred to 13. Kh1 followed by 14. Rg1 most probably. Looks nice
at first sight, but I haven't looked closely.

Peter

>
>Nonetheless, you have a point in criticizing 13 Qb3?! At first glance, 13 a3(!)
>seems slightly better, when White has the strange looking option of replying to
>13...Bxc3 with 14 bxc3!?. The benefit of this move order is that Deep Sjeng's
>14...Nd5 doesn't automatically win White's dark-squared Bishop, since it can be
>re-routed via Be3-c1, a3-a4, and then Bc1-a3 with some advantage to White.
>
>Of course this is merely a hasty assessment on my part after seeing your illegal
>move suggestion. You are correct though that Deep Sjeng seems to have thrown
>away some advantage with imprecise play later.
>
>All the best,
>
>Stephen



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