Vlaicu suggested the improvement, because I had requested him personally (through personal communication) to comment on this problem for which…
Julia, Probably you missed that I had mentioned about replacing both wPa6 and wPb3 with a single bPa4. This is…
It's amusing half-communication. Why did Vlaicu suggest bPa4 instead wPb3? Probably because this change eliminates the cooks when in the…
Mr. Vlaicu Crisan suggested that wPa6 & wPb3 can be replaced with a bPa4 in both 392 & b392.1. (ofcourse,…
I find this quite good! Not mainly because of the aristocratic form, and not because of the two mates from…
Something seems to be wrong in the diagram, because b4 is not guarded (b3 is doubly guarded instead). Most likely,…
The solution doesn't make any sense. Should there be a fairy condition?
Wonderful problem showing transformation of battery (doubled)! Fitting tribute to Petkov.
Change of half battery to two full batteries with one of the original half battery pieces acting on its original…
There is a White half-battery and a Black half-battery. In each solution [using in turn the two components of each…