John Piekarski
| Round | Rating | Date |
|---|---|---|
| Sunday Cali Spring 2025 Week 8 | 935 | 06-01-2025 |
| Sunday Cali Winter 25 Week 9 | 935 | 03-16-2025 |
| Sunday Cali Winter 25 Week 7 | 928 | 03-02-2025 |
| Sunday Cali Winter 24 Week 5 | 943 | 12-08-2024 |
| Sunday Cali Fall 2024 Week 10 | 886 | 11-03-2024 |
| Sunday Cali Fall 2024 Week 8 | 953 | 10-20-2024 |
| Sunday Cali Fall 2024 Week 2 | 953 | 09-08-2024 |
| First Cali-vary Fall 2024 Week 2 | 884 | 09-02-2024 |