Oshona, Jeffrey   #4780
No. Date Tournament – Course Division Gross Adjusted Rating Slope Diff. Top
1.  8/25/2020 August Midweek – Maple Meadows High 104 104 69.4 123 31.8  
2.  8/4/2020 Senior Open – Glendale Lakes High 100 95 69.0 121 24.3 #3
3.  7/9/2020 July Midweek – Schaumburg High 96 95 68.6 123 24.3  
4.  6/16/2020 June Midweek – Wedgewood High 89 89 67.9 119 20.0 #1
5.  5/28/2020 May Midweek – Bristol Oaks High 89 89 67.7 118 20.4 #2
6.  6/27/2019 Senior Open – St. Andrews High 105 103 66.5 114 36.2  
Tournament Handicap = 20.7   = ((20.0 + 20.4 + 24.3) / 3 * 0.96)
7.  5/14/2019 May Midweek – Village Links of Glen Ellyn High 99 97 69.4 126 24.8  
8.  4/23/2019 April Midweek – Pine Meadow High 95 95 69.9 126 22.5  
9.  8/12/2018 August Classic – Old Orchard Trevino 97 97 68.8 130 24.5  
10.  6/25/2018 Senior Open – St. Andrews #2 High 92 91 67.8 115 22.8  
11.  4/14/2018 Spring Thaw – Gleneagles Trevino 105 101 68.8 122 29.8  
12.  8/5/2017 August Classic (North) – Bridges of Poplar Creek High 99 99 69.3 132 25.4  
13.  6/27/2017 Senior Open – Orchard Valley High 89 89 68.6 128 18.0  
14.  6/4/2017 Summer Classic – Coyote Run Trevino 89 88 67.0 118 20.1  
15.  4/15/2017 Spring Thaw – Gleneagles - Lakes Trevino 103 99 69.0 120 28.3  
16.  9/11/2016 Patriot's Day (South) – Ravisloe High 91 91 68.9 124 20.1  
17.  8/15/2016 August Midweek – Eagle Brook High 93 93 71.4 135 18.1  
18.  6/23/2016 Senior Open – Randall Oaks High 90 90 68.5 125 19.4  
19.  6/5/2016 Summer Classic – Coyote Run Trevino 89 88 67.0 117 20.3  
20.  4/16/2016 Spring Thaw – Silver Lake - North Player 93 93 69.8 118 22.2  
21.  6/30/2015 June Midweek – Prairie Landing High 97 92 69.9 129 19.4  
22.  6/25/2015 Senior Open – Fox Run High 96 92 68.6 121 21.9  
23.  5/20/2015 May Midweek – Harborside - Port High 102 99 69.4 124 27.0  
24.  4/11/2015 Spring Thaw – Countryside - Traditional Player 95 94 70.5 119 22.3  
25.  6/26/2014 Senior Open – Tanna Farms High 92 90 69.8 126 18.1  
26.  5/21/2014 May Midweek – Harborside - Port High 104 100 69.1 121 28.9  
The USGA procedure for calculating a Handicap Index is described at:
http://www.usga.org/Handicapping/handicap-manual.html#!rule-14389
NIMAGA Tournament Handicap Index uses top 3 of last 6 differentials;
(or top 2 if only 4 differentials or top 1 if only 2 differentials).