An html version of queencapturedelayed.cql

; queencapturedelayed.cql can be downloaded here.
;; This is an example of the full WCCT 6 theme. 

;; It finds studies that contains a position
;; such that from that position White moves the King to an empty square rather than capturing a queen, which 
;; the King instead captures on the next move.

(match
 :pgn heijden.pgn
 :output out.pgn
 (position
  :wtm
  :moveto .
  qb2
  :attackcount a ab2 0
  :attackcount K ab2 1 
  :sequence ((position :movefrom K) 
             (position :attackcount a ab2 0) 
	     )
  :shift
  :markall)

)