Two consecutive clear zugzwang situations but obviously only one tempo move, but it is impossible to determine which one.
See also: Tempo move.
Abdurahmanović, Fadil
Klasinc Marco
The Problemist, 2017
1...Bxe5
2.f4
Bf5#
1.Kxf4
Kd5
2.e4
Se6#
de Mattos Vieira, Ricardo
SuperProblem TT-212, 2018
Spec. Prize
1.e6
f5
2.Kg5
h4+
3.Bxh4
g3
4.Sxg3
Bxe3#
FEN: 8/4p3/8/4P2p/4PPpk/3pp1bP/pp2pBP1/rrn1K2n
External links: