H#2: White's first move (W1) is a sacrifice, capturing Black's move (B2) must have the departure effect: a direct unguard or an indirect self-pin.
This is the theme of the 25th SABRA Composing Tourney (Fujairah, 2022).
Witztum, Menachem
Problemas, 2022
a) 1.Qa4
Rxc6
2.Qxc6
Bxa5#
b) 1.Sgf3
Bxh4
2.Sxh4
Rxe5#
FEN: 3B4/6K1/2p1R3/p1ppp3/3p3p/3P3b/4pN1n/q3krnN
Witztum, Menachem
Problemas, 2022
a) 1.Qc3
Bxd5+
2.Bxd5
Rxc3#
b) 1.Qb2
Sxc5
2.Bxc5
d3#
FEN: 8/1B2p3/1p2p3/1pnnp2r/prkbb2R/R3Pp2/p1qP4/7K
Witztum, Menachem
Polish Chess Federation, 2022
a) 1.b5
Sf3
2.exf3
Bxf2#
b) 1.b6
Sxg6
2.fxg6
Rg5#
FEN: 8/1p1pKp2/3P2p1/2k5/1N2pp1N/2PP4/5p2/6B1
Dolginovich, Nikolay
Die Schwalbe, 1993
1.Bg7
Rxh6
2.Bxh6
Rb8#
1.Be5
Rxf4
2.Bxf4
Rb8#