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Game Score Calculator
Calculate basketball Game Score using John Hollinger's performance indicator formula
Enter Basketball Statistics
Scoring Statistics
Free Throws
Rebounding
Other Statistics
Example: Michael Jordan
Points:69
FG Made:23
FG Attempts:37
FT Made:21
FT Attempts:23
Rebounds:18
Assists:6
Game Score:64.6
All-Time High Game Scores
Michael Jordan
March 28, 1990
Kobe Bryant
January 22, 2006
Karl Malone
January 27, 1990
James Harden
January 30, 2018
Michael Jordan
April 3, 1988
Understanding Basketball Game Score
What is Game Score?
Game Score is a basketball performance metric created by John Hollinger as a simplified version of Player Efficiency Rating (PER). It evaluates individual player performance in a single game by weighing positive contributions against negative actions.
Why Use Game Score?
- •Single number representation of overall performance
- •Easy comparison between players across different games
- •Accounts for both positive and negative contributions
- •Used by NBA analysts and sports media
Game Score Formula
GS = P + 0.4×FG - 0.7×FGA - 0.4×(FTA-FT) + 0.7×OR + 0.3×DR + S + 0.7×A + 0.7×B - 0.4×PF - T
Component Weights
Positive Factors
Points (P)+1.0
Steals (S)+1.0
Off. Rebounds+0.7
Assists+0.7
Blocks+0.7
FG Made+0.4
Def. Rebounds+0.3
Negative Factors
Turnovers-1.0
FG Attempts-0.7
Missed FT-0.4
Personal Fouls-0.4
Performance Guidelines
Extraordinary (40+)
Hall of Fame level performance, historically great games
Excellent (25-39)
All-Star caliber performance, dominant game
Very Good (15-24)
Above average performance, solid contribution
Good (10-14)
Average NBA performance, adequate game
Fair (5-9)
Below average performance, limited impact
Poor (0-4)
Needs significant improvement, poor game
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