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 theme.

Abdurahmanović, Fadil

Ellinghoven, Bernd

Orbit, 2000

1st Prize

Example: Peri-critical move
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.

View in Helpmate Analyzer

FEN: 4rn2/3n1p2/8/2B1k3/3r4/2K5/8/8

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