The idea of transformation of the black half-battery into new batteries on different lines is very nice. I am always…
Very nice setting. I think it should be possible to make the fourth variation also thematic. If e2 is not…
My head is spinning ... this (Nikola's latest) looks like one of those brainteasers Ronald Turnbull is fond of producing.…
Thanks Kjell, I became aware of these things too late, after posting (: So, it should perhaps be defined that…
A very economical setting of three grasshopper-specific stalemates. Lovely.
The Fairy Encyclopedia at the website of Die Schwalbe makes the same distinction between Beidmatt and Gegenmatt as does Popeye:…
Formal definition of the theme Zabunov requires an ambush move. The interpretations of a formally strict ambush and of an…
Yes, "beidmatt" looks well defined although the last move violates the most distinctive fundemental chess rule. So in the essence,…
In the wording quoted from Juraj Lorinc’s website it is stated that for beidmatt the wK cannot be in a…
Juraj;s explanation is understandable. After all, without going through self-check method, both kings cannot be mated simultaneously. But the idea…