(1) Posted by Eugene Rosner [Thursday, Mar 2, 2017 15:51]
is the Caprice theme called Caprice because....
the nature of the strategy is capricious?
Caprice Theme :
A try is refuted by a defence that causes a certain effect. The key creates the same effect with a new threat. A threat from the try reappears in a variation.
[Encyclopedia of Chess Problems, M.Velimirovic, K.Valtonen]
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(2) Posted by Wilfried Neef [Saturday, Mar 4, 2017 11:48]
The German twomover-theme book "Von Ajec bis Zappas" by Udo Degener says (additional to the encyclopedia): "White does, what black has shown successfully or black does, what white has tried without success." In my opinion such beaviour might be regarded as capricious