Chesterfield Panthers seconds claimed the bragging rights over Dronfield seconds in the derby.
Panthers played down the hill first half at Dronfield and made the most of the advantage inside five minutes.
James Marshall scored an unconverted try, possession stayed with Chesterfield and Andrew Macefield soon went over.
Ali Taylor converted and the scoring continued when Ian Watson got number three. Taylor saw a gap to get his own try, as Panthers continued to dominate their Derbyshire opponents.
Ben Curly got the final score of the half. Panthers carried on where they left off with Rich Keeling going over soon after the restart.
Jack Short scored under the posts, Jake Blair showed the hosts a clean pair of heels, Keeling again for a 63-3 win.