Clapper, Codi
Current rating: 1499
Record: 7-7
| Grand Prix Phoenix 2018 (modern) | starting rating: 1520 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 363 | Perkins, Evan (1515) | Lost 0-2 | -191501 |
| 2modern | 478 | Conklin, Ryan (1477) | Lost 0-2 | -181483 |
| 3modern | 611 | Norris, James (1418) | Won 2-1 | +171500 |
| 4modern | 472 | Huston, Zachary (1485) | Won 2-1 | +181518 |
| 5modern | 343 | Russell, Tyler (1487) | Lost 0-2 | -191499 |
| average opponent: 1477record: 2-3 | new rating: 1499 | |||
| Grand Prix Las Vegas 2017 (modern) (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 772 | Weinstein, Zachary (1407) | Lost 1-2 | -201480 |
| 2modern | 1029 | Jenkins, Tracie (1458) | Lost 0-2 | -181462 |
| 3modern | 1465 | Kunz, Jesse (1332) | Won 2-0 | +161478 |
| 4modern | 1222 | Didion, Shane (1483) | Lost 1-2 | -181460 |
| 5modern | 1253 | Coates, Jenise (1468) | Won 2-1 | +181478 |
| 6modern | 989 | Badiali, Tommaso (1482) | Lost 0-2 | -181460 |
| 7modern | 1050 | Gonzales, Ruben (1460) | Won 2-0 | +181478 |
| 8modern | 839 | Stoute, Terry (1794) | Won 2-1 | +231501 |
| 9modern | 667 | Stancik, Jack (1505) | Won 2-0 | +191520 |
| average opponent: 1488record: 5-4 | new rating: 1520 | |||