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MatPlus.Net Forum General explanation of Shedey THEME anyone?! NOT the Shedey cycle!
 
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(1) Posted by Eugene Rosner [Wednesday, Apr 2, 2014 23:34]

explanation of Shedey THEME anyone?! NOT the Shedey cycle!


cute use some help here...perhaps someone has the Encyclopedia at just happens to know this two move pattern? Thanks in advance!
 
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(2) Posted by Juraj Lörinc [Thursday, Apr 3, 2014 00:33]

According to my source (Slovnik pojmu kompozicniho sachu by Michal Dragoun), Shedey theme is defined as follows:

The same white move A appears as threat and mate after two different defences in three phases. In phase with A as threat, there are different mates after two defences allowing A in other phases.
 
 
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(3) Posted by Eugene Rosner [Thursday, Apr 3, 2014 01:54]

Superb! That really helps-thank you Juraj!
 
 
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(4) Posted by seetharaman kalyan [Saturday, Apr 5, 2014 19:33]

Well.. is it not the same as the Dombrovskis Paradox?
 
   
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(5) Posted by Juraj Lörinc [Saturday, Apr 5, 2014 22:14]

Dombrovskis paradox is an element: the same defence defends mate A in one phase and allows it in the other.

Then Dombrovskis theme in its classical form is basically formed from two Dombrovskis paradoxes from two tries and solution, often with additional requirement that the threats of tries are not allowed in the set play after their thematical defences.

Shedey theme is another theme with two Dombrovskis paradoxes, with some new mates involved.
 
 
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MatPlus.Net Forum General explanation of Shedey THEME anyone?! NOT the Shedey cycle!