An html version of mzz5.cql.

Created by Gady Costeff and Lewis Stiller.

CQL 5.1 examples  can be found at the website of GadyCosteff.

CQL 3.02
; This locates all mutual zugzwang studies with exactly 5 pieces and at most one pawn ; This may not get all "true" mutual zugwang position. Rather, it gets you all the studies ; in which same position occurs, both with black and with white to move, but the white to move position ; occurs in the variation and the black to move position occurs in the main line. (match :pgn heijden.pgn :output mzz5.pgn (position :piececount U 5 ;; 5 pieces :piececount [Pp] 0 1 ;; 0 or 1 pawns :btm :relation ( :variationsonly :changesidetomove) ) )

After executing this with "> cql Mzz5.cql" there are 584 studies found in the Harold van der Heijden Database 2015.
NB. When you see {MATCH} in the text, it means that cql has found the position asked for.

Below only 10 are presented: