Jeffrey Koster #249585
Jeffrey Koster #249585
Player Info
- Location: Omaha, Nebraska, United States
- Classification: Amateur
- Member Since: 2023
- Membership Status: Current (through 31-Dec-2025)
- Official Status: Uncertified
- Career Events: 27
- Career Wins: 2
- Global Masters Series 2025 Rank: #1164
Ratings History
| Effective Date | Rating | Rounds Used |
|---|---|---|
| 9-Sep-2025 | 917 | 39 |
| 12-Aug-2025 | 913 | 26 |
| 8-Jul-2025 | 911 | 25 |
| 10-Jun-2025 | 899 | 20 |
| 13-May-2025 | 901 | 16 |
| 8-Apr-2025 | 899 | 18 |
| 14-Jan-2025 | 895 | 18 |
| 8-Oct-2024 | 901 | 19 |
| 10-Sep-2024 | 898 | 19 |
| 9-Jul-2024 | 899 | 19 |
| 11-Jun-2024 | 897 | 22 |
| 14-May-2024 | 879 | 24 |
| 9-Apr-2024 | 884 | 20 |
| 12-Dec-2023 | 880 | 19 |
| 10-Oct-2023 | 866 | 17 |
| 8-Aug-2023 | 867 | 16 |
| 11-Jul-2023 | 868 | 15 |
| 13-Jun-2023 | 887 | 8 |
| 9-May-2023 | 889 | 3 |
| 11-Apr-2023 | 894 | 2 |