H#2: On the first move, Black self-pins one of his pieces. White then unpins this black piece while simultaneously self-pinning one of his own pieces. On the next move, the black piece that has just been unpinned in turn unpins the white self-pinned piece, which then delivers mate.
⧖ József Bajtay (1902-1988). Magyar Sakkvilág TT 1934-1936.
See also: Self-pin/unpin.
Bajtay, József
Deutsche Märchenschachzeitung, 1931
1.Sxc2
Bc4
2.Se3
Bxf4#
FEN: 2b5/2k5/1b6/Np3P2/1r1n1p2/pr1B2BK/1pP1q3/2RR4
,
1.Bc5
b4
2.Sd2
Sc3#
FEN: 2r5/8/8/4pp2/kb2n2R/8/KP2N2r/4q3
Bogdanov, Evgeny
Schach-Echo, 1983
1.Bxe5+
Sd5
2.Bd4
Sf6#
1.Rxe5+
Sf5
2.Re4
Sg7#