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MatPlus.Net  Forum General An Interesting Article |
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| | | (1) Posted by Administrator [Tuesday, Jan 10, 2012 04:25] | An Interesting Article
My great friend Yuri Gordian, the editor of "Problemist Ukraini", sent the translation of an interesting article by Yuri Agapov with request to put it on the site, which I did with pleasure. Here is the author's introduction which can give you the idea what the article is about:
QUOTE
This is what I read not so long ago in a judge’s report: “Problem NN had to be excluded on account of a dual in an additional variation which in the judge's opinion is a strong one.” I started thinking, is there a scale for measuring the “value” of a variation or the “cost” of a dual? Should a judge be guided only by his own convictions when assessing whether a dual is “weak” or “strong”? My reflections led me to the creation of a new Classification of Variations and Duals that I am offering to the readers, in the form of Tables 1 and 2, for their consideration.
The article can be downloaded from our DL Archive, but here is also a quick link:
http://www.milanvel.net/pub/Igor_Agapov_-_New_Classification.pdf
| | | (2) Posted by Administrator [Wednesday, Jan 11, 2012 05:56] |
Additional information:
Translation to English was made by Valery Kopyl's daughter Jana, and redaction was done by Andrei Frolkin.
| | | (3) Posted by Mihail Croitor [Wednesday, Jan 11, 2012 13:39] |
This article contain a debatable definition of variant - the totality of white and black piece's moves related by a common aim.
Looks bad word 'totality', because its mean 'a set of' - by this definition i can say that Grimshaw overlap is variant, but really Grimshaw overlap represents by two variants.
For me variant is 'a sequence of white and black piece's moves that leads to an result (mate in problem case, clear evaluation of position in study case)'.
May be, my statement contain errors.
| | | (4) Posted by Vladimir Tyapkin [Wednesday, Jan 11, 2012 23:17] |
Here you can get an original in Russian:
http://www.yacpdb.org/download/Igor_Agapov_-_New_classification_RUS.pdf
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