William Koster #193794
William Koster #193794
Player Info
- Location: Charlotte, North Carolina, United States
- Classification: Amateur
- Member Since: 2021
- Membership Status: Expired (as of 31-Dec-2022)
- Career Events: 5
Ratings History
| Effective Date | Rating | Rounds Used |
|---|---|---|
| 9-Aug-2022 | 857 | 10 |
| 12-Jul-2022 | 862 | 9 |
| 12-Apr-2022 | 850 | 5 |
| 8-Mar-2022 | 864 | 2 |
| 9-Nov-2021 | 894 | 1 |