When playing, the following predicates have been found:
none(BlackPawn4,d5)
none(WhitePawn4,d4)
none(BlackKnight2,f6)
none(WhitePawn3,c4)
none(BlackKnight1,c6)
none(WhiteKnight1,c3)
It seems all pieces that have been moved once and remain in this new position, get this predicate.
The none predicate is also entered to the chessdomain
When playing, the following predicates have been found: none(BlackPawn4,d5) none(WhitePawn4,d4) none(BlackKnight2,f6) none(WhitePawn3,c4) none(BlackKnight1,c6) none(WhiteKnight1,c3) It seems all pieces that have been moved once and remain in this new position, get this predicate. The none predicate is also entered to the chessdomain