North Texas Senior Golf Association
 North Texas Senior Golf Association
 The NTSGA is a group of golfers, age 50 and up, who love the game of golf and practice the true spirit of the game.

North Texas Senior Golf Association Handicap Calculation

Handicap is Current as of June 29, 2026

Zimmerman, Gary 

Click on course to retrieve scorecard.

Date    Course    Tee    Rating    Slope    Gross Score    Adjusted Gross    Differential    Used?    
June 29, 2026    Lantana Golf Club    White    68.3    118    83    83    14.1    Y    
June 24, 2026    Texas Star Golf Course   White    70.1    124    84    84    12.7    Y    
June 17, 2026    Bridlewood Golf Club   White    69.3    123    87    86    15.3    N    
June 3, 2026    Mesquite Golf Club   Blue    68.7    119    84    84    14.5    Y    
May 20, 2026    Waterview Golf Club   Gold    66.6    109    87    86    20.1    N    
May 13, 2026    Oak Hollow Golf Course   White    68.6    113    90    88    19.4    N    
April 22, 2026    Sky Creek Ranch Golf Club   Blue    70.7    128    92    92    18.8    N    
April 8, 2026    The Courses at Watters Creek   White    70.0    126    82    81    9.9    Y    
March 18, 2026    Texas Rangers Golf Club   Silver    68.7    122    93    93    22.5    N    
February 4, 2026    Waterview Golf Club   Gold    68.5    115    84    84    15.2    N    
January 21, 2026    Pecan Hollow Golf Course   Silver    70.5    130    80    80    8.3    Y    
November 19, 2025    Sherrill Park Golf Course (One)   Blue-White    69.1    124    87    87    16.3    N    
October 29, 2025    Buffalo Creek Golf Club   White    68.8    124    86    86    15.7    N    
October 8, 2025    Waterview Golf Club   Gold    68.5    115    88    88    19.2    N    
September 22, 2025    Woodbridge Golf Club   White    69.1    124    88    88    17.2    N    
September 17, 2025    Luna Vista Golf Course   Yellow    68.2    118    84    84    15.1    Y    
September 10, 2025    The Bridges Golf Club   White    70.2    125    90    90    17.9    N    
August 13, 2025    Irving Golf Club   White    67.5    116    81    81    13.2    Y    
July 23, 2025    Tangle Ridge Golf Club   White    69.3    128    83    83    12.1    Y    
July 9, 2025    Sky Creek Ranch Golf Club   Blue    70.7    128    91    90    17.0    N    
  Differential = (Adjusted Gross Score - Course Rating) x (113 / Slope) rounded to tenths              Average Differential:12.4875    
  Handicap Index = Average Differential rounded to tenths (maximum 54.0)              Handicap Index:12.5    
  Rounds Used = Lowest 8 out of last 20
  USGA Equitable Stroke Control (ESC) in effect from July 1, 2018 through December 31, 2019.              Low Handicap Index:10.9    06-30-2025
  World Handicap System (WHS) in effect since January 1, 2020.