Dereck Koski #290029
Dereck Koski #290029
Player Info
- Location: Kalama, Washington, United States
- Classification: Amateur
- Member Since: 2024
- Membership Status: Current, Ace Club (through 31-Dec-2024)
- Career Events: 7
- Career Wins: 1
Ratings History
| Effective Date | Rating | Rounds Used |
|---|---|---|
| 12-Nov-2024 | 862 | 15 |
| 8-Oct-2024 | 859 | 11 |
| 10-Sep-2024 | 855 | 9 |
| 13-Aug-2024 | 865 | 2 |