consecutive-checks-by-one-color.cql

; consecutive-checks-by-one-color.cql can be downloaded here.

; Find games with at least 20 consecutive checks by the same color
; sorted by the number of consecutive checks
; We just use "next2" to find 20 or more checks by the same side
; If used "next" instead of "next2" then we would be looking for consecutive
; checks by either side

cql(input heijden.pgn)
sort "number of consecutive checks"
  next2 20 100 nestban (check+)