Author: Stephen Ham
Date: 15:15:19 01/01/04
Go up one level in this thread
On January 01, 2004 at 17:05:02, Peter Berger wrote: >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 Hi Peter, Excellent point, Peter! I overlooked this tactical rejoinder (typical!). ;-) Yes, 13 Kh1 seems to make more sense than my 13 a3 line. Still, after some "natural" moves, such as 13...Nd5 14 Nxd5 cxd5 15 Bd3 g6, then Black can re-route his offside Knight back into the game via ...Nh5-g7-f5. Nonetheless, to the point that you made, Peter, an immediate 14 Rg1! leads to a very complex and tactically rich position, that's too much for my little brain to fathom. Looking at the position in static terms (often unwise in dynamic positions, such as this), I favor White with a slight edge, due to the nice g-file and White's Queen being on the b1-h7 diagonal, coupled with the possibility of Be3-h6. All the threats seem to come from White and Black will have to "hunker down" to survive. For example, the "natural" looking 14...Nxe3?? 15 fxe3 probably wins for White. So at first glance, Black will probably have to batten down the hatches with something like 14...f5 (this gives Black options of ...Qh4, or ...Nhf4, or...f5-f4). At this point, being tactically challenged, I'll leave this tactical position to the CCC readers and their chess engines to sort this position out. This may make a fun test position, to see which engine best "solves" this position. Maybe something like 15 Bg5!? (15 Bh6!?) Be7 16 Qd2 comes next. Regardless, I'd better stop now for fear of blundering embarrassingly in public. Nice find, Peter and Arturo! All the best, Stephen
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