Wins Above Replacement (WAR)
A metric that converts a player's total goal contribution (GAR) into wins, representing how many additional wins the player adds compared to a replacement-level player.
Wins Above Replacement (WAR) translates the abstract concept of goals into the currency fans care about most: wins. It takes a player's GAR total and divides by the number of marginal goals needed to produce one extra win in the standings -- typically around 5-7 goals depending on the league's scoring environment that season.
WAR is especially useful for communicating value to a broader audience. Saying a player is "worth 3 extra wins" resonates more intuitively than "worth 18 extra goals." The metric is borrowed from baseball analytics (where it originated) and has become the standard all-in-one currency for player value across most major sports.
Because WAR is derived directly from GAR, the two metrics produce identical player rankings. The only difference is the unit of measurement. Elite full-season WAR totals for skaters range from roughly 2.5 to 4.0, while an average regular sits around 0.5-1.5 WAR.
Formula
WAR = GAR / Goals-Per-Win Factor Goals-Per-Win varies by season (~5-7 goals per win)
Frequently Asked Questions
What is a good WAR for an NHL player?
An average NHL regular produces about 0.5-1.5 WAR per season. Stars reach 2-3 WAR, and Hart Trophy-caliber seasons can exceed 3.5 WAR. By definition, a replacement-level player has 0 WAR.
Can a player have negative WAR?
Yes. A player with negative WAR performed below replacement level, meaning the team would theoretically have been better off replacing them with a freely available alternative. This is uncommon for regular NHLers but can happen for players in small sample sizes or difficult deployments.
How does hockey WAR compare to baseball WAR?
The concept is the same -- value above a freely available replacement -- but the scales differ. In baseball, an elite season is 8-10 WAR; in hockey, it is 3-4 WAR. Hockey has more parity and randomness, so individual impact on wins is smaller.
Does WAR include playoffs?
Hockey Alchemy's WAR is calculated from regular-season data only. Playoff WAR could be calculated separately, but the smaller sample sizes make it less reliable.