Live by the three, die by the three. Even if you don't challenge them on every single shot, three point shooters can go cold for long stretches (see Starks, John: Game 6, 1994 NBA Finals). If ISU make their open jumpers (assuming they even get them. I think JC can come up with a in four days to challenge their shooters) they'll win. If they don't, they won't. Simple