An html version of queendown.cql
; queendown.cql can be downloaded here.
;;One side sacrifices a queen, and remains at least 9 points down in material for at least 12 moves, and then wins
(match
:pgn mega.pgn
:output out.pgn
(position
:result 1-0
:sequence(
(position :powerdifference [Qq] -1000 -9 :powerdifference U -1000 -9)
(position :powerdifference [Qq] -1000 -9)
(position :powerdifference [Qq] -1000 -9)
(position :powerdifference [Qq] -1000 -9)
(position :powerdifference [Qq] -1000 -9)
(position :powerdifference [Qq] -1000 -9)
(position :powerdifference [Qq] -1000 -9)
(position :powerdifference [Qq] -1000 -9)
(position :powerdifference [Qq] -1000 -9)
(position :powerdifference [Qq] -1000 -9)
(position :powerdifference [Qq] -1000 -9)
(position :powerdifference [Qq] -1000 -9)
)
:flipcolor
))