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MatPlus.Net Forum General Campbell's première - a new version |
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| Page: [Previous] [Next] 1 2 | (21) Posted by Sarah Hornecker [Thursday, Jul 19, 2007 14:41]; edited by Sarah Hornecker [07-07-19] | Economy is nice, but never at the cost of content or even at the cost of letting a (serious?) dual happen.
I suggest keeping Pf4
PS, 16:29h: After reading MV's next posting I suggest removing Pf4 | | (22) Posted by David Knezevic [Thursday, Jul 19, 2007 15:44] | Re WPf4:
Sorry I didn't put it clearly:
- there is a dual with WPf4
- there is not dual without WPf4
- conclusion: the WPf4 should be removed | | (23) Posted by Zalmen Kornin [Saturday, Jul 21, 2007 10:24] | Milan and Siegfried: Both of my sources gives the Pf4. I believe that J G C would appreciate the suggestion of the great MV in this instance...
Some years later, Campbell presented another Nowotny, this time in a more economical form, and in which the black critical move (1...Ba1) is compelled by zugzwang: a novelty then. The exchange of function between the white Rooks during the solution also looked quite futuristic:
J. G. Campbell
"Ill. London News", 1861
(= 8+9 )
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MatPlus.Net Forum General Campbell's première - a new version |
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