Sometimes a little strategy can make a big difference. Maybe it took him until the season’s last game, but when Delaware hockey Coach Pat Monaghan finally turned his Hens loose again, the results were worth the wait. Abandoning their recent style of tight-checking play, the Blue Hen Ice Hockey Club put on an offensive clinic Friday night in a 10-4 rout over visiting West Chester. To the viewer it brought back memories of the high scoring Hens of the early season. But for the team, the return to form couldn’t have come at a better time, as they prepare for the Mid-Atlantic Collegiate Hockey Conference playoffs which begin Friday night. ….