One of the big achievements in baseball sabermetrics is Bill James win shares system. This is a system that assigns wins to the individual players on baseball teams. It works very well to rate individual players. One goal in hockey sabermetrics is to come up with a similar system. Of course there are differences between hockey and baseball which make building a hockey system more difficult, but that hasn`t stopped Justin Kubatko at hockey-reference.com from trying. I am going to look at his system and its results. I think it is an important goal, but we are not able to do it properly yet. As a result, he has built an approximate system which can give unreasonable results in some cases.
Kubatko makes three conceptual changes from the Bill James system. First in the baseball system, a win is worth 3 win shares. In the hockey system one point in the standings is worth one point share. The hockey version of this is problematic because of point scheme that the NHL uses.
Source: http://www.kuklaskorner.com/index.php/psh/comments/point_shares_a_sabermetric_goal/
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