Dear chess friends! Yes, apparently your 9-pieces-versions are the most ecomonic in this case! Excellent! But they has another scheme…
I don't know whether Georgy meant one of the following versions with 9 pieces or a different one: Version 1:…
Nice ! Difficult to be shorter !
Very nice! Surprising that it was not discovered earlier!
I am sorry. You are right of course. Black king has too many flight squares but for Annan condition.
in my AUW-collection there are more than 100 problems of this genre. Really this one by Alexej is the first…
http://pdb.dieschwalbe.de/search.jsp?expression=PROBID=%27P1320550%27 Congtatulations!
It seems to me, that both fairy conditions are necessary in each solution of 1079. No solution without Annan Chess…
In 1079, it is a fairy condition which is idle in the second solution !
1078 is nice with two related solutions... but idle WB in one solution is difficult to digest.