H#2: Before each black move White has a possibility of mate, which doesn't work due to a lack of black tempo move.
See also: Bukovinszky-Garai theme; Bukovinszky theme; Complete helpmate; Lindner 1 theme; Lindner 2 theme.
Garai, Toma
Probleemblad, 1970
1st Comm.
a)
1...Se5#
1.Se3
Sa5
2.Rc2
Sf4#
b)
1...Se5#
1.Re3
Sa5
2.Rce2
Sb4#
a) 1.Se3 Sa5 2.?? Sb4#
b) 1.Re3 Sa5 2.?? Sf4#