Kemmerly, Ben
Current rating: 1429
Record: 5-9-1
| Grand Prix Pittsburgh 2017 (AER standard) | starting rating: 1480 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 234 | McGowan, Mark (1444) | Won 2-1 | +181498 |
| 2standard | 4 | Nesbitt, Alan (1518) | Won 2-1 | +181516 |
| 3standard | 233 | Gereffi, Clay (1594) | Lost 0-2 | -171499 |
| 4standard | 342 | Tran, Vy (1501) | Lost 0-2 | -181481 |
| 5standard | 424 | Mercado, Franz (1497) | Lost 0-2 | -171464 |
| 6standard | 560 | Catardi, Joey (1550) | Lost 0-2 | -171447 |
| 7standard | 491 | Zitello, Sean (1432) | Lost 1-2 | -181429 |
| average opponent: 1505record: 2-5 | new rating: 1429 | |||
| Grand Prix Chicago 2014 (JOU standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 807 | Coretsopoulos, Mark (1500) | Draw 1-1 | 01500 |
| 2standard | 753 | Klassen, Barrett (1466) | Lost 1-2 | -191481 |
| 3standard | 914 | Gifford, Lauretta (1482) | Won 2-1 | +181499 |
| 4standard | 826 | Hill, Chris (1500) | Won 2-0 | +181517 |
| 5standard | 724 | Dow, Matt (1499) | Lost 0-2 | -181499 |
| 6standard | 730 | Brumm, Joel (1497) | Won 2-0 | +181517 |
| 7standard | 699 | Addis, David (1517) | Lost 0-2 | -181499 |
| 8standard | 689 | Woo, Kenneth (1462) | Lost 0-2 | -191480 |
| average opponent: 1490record: 3-4-1 | new rating: 1480 | |||