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 25, 2025

Harwell, Mark 

Click on course to retrieve scorecard.

Date    Course    Tee    Rating    Slope    Gross Score    Adjusted Gross    Differential    Used?    
June 25, 2025    Tour 18 Dallas Golf Course   White    71.0    132    94    93    18.8    N    
May 21, 2025    The Courses at Watters Creek   White    70.0    126    83    83    11.7    Y    
May 14, 2025    Bridlewood Golf Club   White    69.3    123    81    81    10.7    Y    
April 9, 2025    Tierra Verde Golf Club   Green    67.4    120    80    80    11.9    Y    
March 26, 2025    Buffalo Creek Golf Club   White    68.8    124    85    85    14.8    N    
March 19, 2025    Irving Golf Club   White    67.5    116    84    82    14.1    Y    
March 5, 2025    Bridlewood Golf Club   White    69.3    123    88    88    17.2    N    
February 26, 2025    Tangle Ridge Golf Club   White    69.3    128    86    86    14.7    N    
January 29, 2025    Texas Rangers Golf Club   Silver    68.7    122    82    82    12.3    Y    
November 6, 2024    Sky Creek Ranch Golf Club   Blue    70.7    128    95    95    21.5    N    
October 30, 2024    Tierra Verde Golf Club   Green    67.4    120    85    85    16.6    N    
October 2, 2024    Bridlewood Golf Club   White    69.3    123    75    75    5.2    Y    
September 25, 2024    Buffalo Creek Golf Club   White    68.8    124    87    87    16.6    N    
September 18, 2024    The Courses at Watters Creek   White    70.0    126    87    87    15.2    N    
September 16, 2024    Lantana Golf Club    White    68.3    118    94    91    21.7    N    
September 4, 2024    Tierra Verde Golf Club   Green    67.4    120    83    83    14.7    Y    
August 28, 2024    The Courses at Watters Creek   White    70.0    126    87    86    14.3    Y    
July 31, 2024    Tangle Ridge Golf Club   White    69.3    128    92    90    18.3    N    
July 17, 2024    The Golf Club Fossil Creek   Club    70.6    130    97    94    20.3    N    
July 3, 2024    Luna Vista Golf Course   Yellow    68.2    120    96    95    25.2    N    
  Differential = (Adjusted Gross Score - Course Rating) x (113 / Slope) rounded to tenths              Average Differential:11.8625    
  Handicap Index = Average Differential rounded to tenths (maximum 54.0)              Handicap Index:11.9    
  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:9.9    07-03-2024
  World Handicap System (WHS) in effect since January 1, 2020.