The previously dueling PWR implementations (see Uncertainty around PWR calculation) seem to have been resolved for now. This weekend, USCHO changed the formula it uses to calculate PWR so its tables now match those on CHN and SiouxSports. Previously, USCHO had weighted only the win% component while the others had weighted all components (win%, opponents win%, and opponents opponents win%).
As of right now, all three tables are identical:
Reading USCHO’s change as a sign that they received confirmation that their previous method was incorrect, this is great news for college hockey fans as it lifts the uncertainty that was previously hanging over the dueling implementations.