The position of the white bishop determines which of the squares is unguarded by the black defence. Beautiful mechanism even…
I know, Nikola. My version doesn't have an artistic value bacause of the last moves [+bRa3] #, [+bBg1] #, [+bRh3]…
Nice echoes. I wished to include all pieces in the mate.
It's also interesting to work out why the second solution does not work with a white king! The subtle twinning…
Nikola, your "kind invitation" motivated me with same pieces (for solvers only!): White Le1 (1) Black Ke8 Pe2 Pf2 (3)…
Georgy, You write: "But still I consider that the need to accept PAf4 and PAe2 in different twins as the…
But I am very-very-very surprised about this Evseev`s try for an improvement! At first, it is obvious that all three…
Nice improvement Georgy. Perfect !
Dear Petko! Thank you very much for your teacher analysis. I know, the version is not a improvement. I would…
About the version of Janos This is obviously an full unacceptable version. 1. I see no reasons to remove the…