They throw a mean “check” right hook.  It’s April 18 and Max Medley is having an amateur sparring session at the inaugural Interclub chess boxing event at the iconic Gleason’s boxing gym in Dumbo, Brooklyn. As is common with this paradoxical pursuit, the scrimmage had come down to a contest between brains and brawn. As the superior chess player, the 26-year-old architect knew he could excel in the strategy game component — provided he could…