Dear Geoff, no controversy on my side ! Thanks a lot for the dedication !! SL
Concerning solution b) WinChloe is considering that Rnf4{Id4,Ié4} is a defense against the check. It means that, once there are…
I checked solution a) with WinChloe - every move is legal for this program, but doesn't lead to a checkmate…
Yes Nikola, we have to precisely define what’s going on while adding the EP-condition to another condition X. The EP-X-procedure…
I'm not familiar with Grid chess but according to my understanding of the definition, bQa8 prevents all 3 mates from…
To me, it is of course ok to discuss the condition in the same thread than the related published problem.…
Dear Julia, I wrote "IF it can pass...", so "IF it can not pass..." might suggest that it is a…
I never know how many JF visitors are interested in my problems. For those who are: This 537 problem was…
Dear Julia, this is a "rule-examination" period in JF for now! After the ep-capture subtleties and the not-so-clear distinction between…
The rule is ambiguously formulated. In b): I. 10.nKg5-f4 is legal because nK would not leave nPg5? II. 10.nKg5-f4 is…