I won only using the amazon, taking every piece with the only exceptions being when my opponent blundered his amazon (which I took with the chancellor), when he took the pawn with the bishop (which I also took with the chancellor), and when I (unnecessarily) moved a pawn to get my amazon out on the diagonal.
https://www.chess.com/variants/xxl-chess/game/76264911
I won only using the amazon, taking every piece with the only exceptions being when my opponent blundered his amazon (which I took with the chancellor), when he took the pawn with the bishop (which I also took with the chancellor), and when I (unnecessarily) moved a pawn to get my amazon out on the diagonal.