immured.cql
; immured.cql can be downloaded here.
; Games with positions in which at least 3 non-pawn pieces by one side immured, sorted by the number of such
; pieces
cql(input heijden.pgn)
flipcolor
{wtm not check
sort "Number of immured pieces"
square 3 32 $immured in [RNBQ]
not ray attack (a $immured K)
attack 0 ($immured [_a])
}