Ralph, Clayton
Current rating: 1448
Record: 7-10
| Grand Prix Charlotte 2016 (modern) | starting rating: 1486 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 607 | Lewallen, Josh (1422) | Won 2-1 | +171503 |
| 2modern | 501 | Dhodi, Ahmad (1518) | Lost 1-2 | -181485 |
| 3modern | 646 | Duff, Addison (1499) | Won 2-1 | +191504 |
| 4modern | 689 | Ramirez, Edgar (1481) | Won 2-1 | +171521 |
| 5modern | 286 | Page, Tony (1519) | Lost 0-2 | -181503 |
| 6modern | 2 | Ramsey, Sean (1465) | Lost 0-2 | -181485 |
| 7modern | 639 | Ring, Christian (1531) | Lost 1-2 | -181467 |
| 8modern | 610 | Hudson, Nathan (1369) | Lost 0-2 | -191448 |
| average opponent: 1476record: 3-5 | new rating: 1448 | |||
| Grand Prix Charlotte 2015 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 1452 | Scheuer, Kate (1500) | Won 2-0 | +181518 |
| 2modern | 1399 | Sirkis, Jeff (1592) | Lost 0-2 | -171501 |
| 3modern | 1464 | Sasser, Drake (1498) | Won 2-0 | +181519 |
| 4modern | 1463 | Sirkis, David (1519) | Lost 0-2 | -181501 |
| 5modern | 1276 | Romanoff, Nathan (1506) | Won 2-0 | +181519 |
| 6modern | 1184 | Williams, Aaron M (1464) | Lost 0-2 | -191500 |
| 7modern | 1152 | West, Alexander (1726) | Lost 1-2 | -141486 |
| 8modern | 972 | Hutchens, Marshall (1481) | Won 2-1 | +181504 |
| 9modern | 833 | Demeny, Cole (1506) | Lost 0-2 | -181486 |
| average opponent: 1533record: 4-5 | new rating: 1486 | |||