D.Panagakos
https://centerless-chessboard.blogspot.gr/
white to move
?
Qg5-i7+, if h8xQi7 then Rg6xg8#, if Ki8xQi7 then Rc9-i9#
D.Panagakos
https://centerless-chessboard.blogspot.gr/
white to move