Peri-critical move
Move of a line-piece on the parallel of a line so that it appears on the right side of the critical square after moving to this line.
See also: Herlin.
Abdurahmanović, Fadil
Ellinghoven, Bernd
Orbit, 2000
1st Prize
h#5.5 (2+6)
1...Ba3
2.Sf6
Bc1
3.Rdd8
Bg5
4.Kd6
Kd4
5.Ke7+
Ke5
6.Rd7
Bxf6#
Ba3-c1 - peri-critical move.