Clarke, John
Current rating: 1504
Record: 5-5-2
| Grand Prix Columbus 2016 (legacy) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 208 | Chatwood, Edward (1514) | Lost 0-2 | -181464 |
| 2legacy | 617 | Mobley, Ron (1485) | Won 2-1 | +191483 |
| 3legacy | 433 | Williams, Vincent (1513) | Lost 0-2 | -181465 |
| 4legacy | 759 | Shafer, Wesley (1368) | Won 2-0 | +161481 |
| 5legacy | 505 | Peever, Ben (1531) | Won 2-0 | +191500 |
| 6legacy | 305 | Pierce, Stephen (1734) | Won 2-1 | +231523 |
| 7legacy | 375 | Stanfa, Daniel (1527) | Draw 1-1 | 01523 |
| 8legacy | 270 | Thies, Luke (1477) | Lost 0-2 | -191504 |
| average opponent: 1518record: 4-3-1 | new rating: 1504 | |||
| Grand Prix Philadelphia 2012 (RTR limited) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 181 | Madonna, James (1500) | Lost 1-2 | -181482 |
| 2sealed | 270 | Marley, Daniel (1482) | Won 2-1 | +181500 |
| 3sealed | 197 | Eldred, Tyler (1482) | Draw 1-1 | 01500 |
| 4sealed | 305 | Bocchino, Charles (1499) | Lost 1-2 | -181482 |
| average opponent: 1491record: 1-2-1 | new rating: 1482 | |||