This is a cursed win. Mate can be forced, but a draw can be achieved under the fifty-move rule.
To probe all KRBPvKQQ positions, these tables and their transitive dependencies are also required:
KQRBvKQQ · KRBPvKQ · KRRBvKQQ · KQQvKBP · KRBBvKQQ · KQQvKRP · KRBNvKQQ · KQQvKRB