Author: Dave Gomboc
Date: 03:10:15 12/28/02
Go up one level in this thread
On December 27, 2002 at 21:09:16, Mike Byrne wrote: >On December 27, 2002 at 18:40:51, Dave Gomboc wrote: > >>On December 27, 2002 at 12:18:13, Mike Byrne wrote: >> >>>On December 27, 2002 at 02:45:16, Kurt Utzinger wrote: >>> >>>>On December 26, 2002 at 19:53:10, Mike S. wrote: >>>> >>>>>On December 26, 2002 at 19:34:25, Mike Byrne wrote: >>>>> >>>>>>28. Be4! a super grandmaster move, by a super grandmaster. >>>>>> >>>>>>Any programs come up with this? >>>>>>[d]2nq1nk1/5p1p/4p1pQ/pb1pP1NP/1p1P2P1/1P4N1/P4PB1/6K1 w - - >>>>> >>>>>It looks like White can insert the zwischenzug 28.hxg6, whereafter Black has to >>>>>defend against the simple threat gxh7+ Kh8 (Nxh7 doesn't make much sense either) >>>>>Nxf7 mate, first. IOW it looks to me as if Be4 doesn't have to be played >>>>>immediatly (I didn't analyse much). >>>>> >>>>>It's often a problem with test positions when the attacker can play a simple but >>>>>strong threat alternatively (and delay the intended solution, so you don't know >>>>>if the program has missed it or is just going to play it later...). >>>>> >>>>>Analysis by Fritz 7 (P3/700, 96 MB hash): >>>>> >>>>>1.hxg6 fxg6 2.Nxh7 Nxh7 3.Qxg6+ Kh8 4.Qxe6 Bd7 5.Qxd5 Ng5 6.Nf5 Ne6 >>>>> ² (0.63) Depth: 8/27 00:00:00 301kN >>>>> ± (0.91) Depth: 12/35 00:00:23 7799kN >>>>>1.Be4 Be8 2.hxg6 hxg6 3.Nh5 gxh5 4.Bh7+ Nxh7 5.Nxh7 f5 6.Nf6+ Kf7 7.Nxh5 Ke7 >>>>>8.Qg7+ >>>>> ± (0.94) Depth: 12/35 00:00:38 12492kN >>>>> ± (1.09) Depth: 13/36 00:01:09 23280kN >>>>> >>>>>Regards, >>>>>M.Scheidl >>>> >>>>Hi Mike >>>>I fully agree. This test position is not a good one because at least three moves >>>>are easily winning here, namely 1.Be4, 1.hxg6 and 1.Nxh7 >>>> >>>>Below the analysis of Shredder7 ond P4 1.8/32 MB hash: >>>> >>>>New game >>>>2nq1nk1/5p1p/4p1pQ/pb1pP1NP/1p1P2P1/1P4N1/P4PB1/6K1 w - - 0 1 >>>> >>>>Analysis by Shredder 7: >>>> >>>>1.hxg6 hxg6 2.Qh8+ Kxh8 3.Nxf7+ Kg8 4.Nxd8 g5 5.Nb7 a4 6.bxa4 Bc4 7.Nd6 Nxd6 >>>>8.exd6 Bxa2 >>>> +- (1.44) Depth: 1/7 00:00:00 >>>> +- (2.21) Depth: 10/26 00:00:01 525kN >>>>1.Nxh7 Nxh7 2.hxg6 fxg6 3.Qxg6+ Kh8 4.Qxe6 Ne7 5.Nf5 Nxf5 6.gxf5 Qc7 7.Qh6 >>>> +- (2.22) Depth: 10/26 00:00:02 631kN >>>> +- (2.29) Depth: 15/41 00:01:57 31632kN >>>>1.Be4 Be8 2.hxg6 hxg6 3.Nh5 gxh5 4.Bh7+ Nxh7 5.Nxh7 f5 6.exf6 Qc7 7.f7+ Kh8 >>>> +- (2.30) Depth: 15/42 00:03:52 60969kN >>>> +- (2.30) Depth: 15/42 00:03:52 60969kN >>>> >>>>(Utzinger, MyTown 27.12.2002) >>> >>> >>>It may not be a good test position - I was just admiring the game itself. I am >>>reviewing Chess Informant "DEMO BASE" with 500 annotated games selected from >>>various Informants. Their new software, which I purchased, "Chess Informant >>>Expert 4.0"( about $52) -- is very very cool. It allows for full import and >>>export of CI electronic Informants to PGN and vica-versa. This could be very >>>useful in building a quality book :>). >>> >>>There are also little known secrets in acquiring all of the Chess Informants >>>books electronically (and legally) at modest cost. >>> >>>Chess Informant 83 CD, includes as a special bonus, all of the Chess Informant >>>Games Volume 1-82 in PGN format(without annotations). It's highlighted on thier >>>webpage ( http://www.sahovski.com/default.htm) , just go to the "Shop online" >>>select electronic editions and find the "Chess Informants 83 & 84". >>>You will get "Chess Informants 83 and 84 CD" for price of one(about $32). So >>>for about $84, you can get Chess Informants 1-84 electronically with software >>>that you will allow you to export and import into PGN files. >>> >>>Michael Byrne >> >>That is beginning to sound interesting. Can you tell me if the PGN export is >>run on their annotated games, then will the annotations be exported as well as >>the moves? And if the answer to that is yes, then do they have a CD-ROM or two >>that contains all the games -- annotated! -- that can be purchased? (But I am >>not interested if the annotations cannot be exported out of their proprietary >>format.) >> >>Dave > >Yes, annotations can be exported - but they would have to be translated. > >Something like this (onthe google post) would be your guide: > >http://groups.google.com/groups?hl=en&lr=&ie=UTF-8&oe=UTF-8&selm=apk6bq%24243a%241%40norfair.nerim.net > >Michael Byrne They need to be translated? I take it that it doesn't use the NAG codes defined by the PGN standard, then. :-( Dave
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