McDonald, James [USA]
Current rating: 1467
| Grand Prix Columbus 2019 (modern) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 82 | Schuessler, Cody (1500) | Won 2-0 | +181518 |
| 2modern | 98 | Knowles, Kegan (1690) | Lost 1-2 | -151503 |
| 3modern | 160 | Kulp, Adam (1499) | Lost 1-2 | -181485 |
| 4modern | 249 | Boytim, Alex (1478) | Lost 0-2 | -181467 |
| top | average opponent: 1542record: 1-3 | new rating: 1467 | ||
| Grand Prix Cleveland 2019 (RNA limited) | starting rating: 1502 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 227 | Carpenter, Cody [USA] (1500) | Won 2-1 | +181520 |
| 2sealed | 21 | Dugger, Aaron (1496) | Won 2-0 | +181538 |
| 3sealed | 60 | Stearns, Scott (1518) | Lost 1-2 | -181520 |
| 4sealed | 192 | Bishop, Alyssa (1438) | Won 2-1 | +161536 |
| 5sealed | 108 | Reedy, Joshua (1542) | Lost 0-2 | -181518 |
| 6sealed | 295 | Sandahl, Bryan (1525) | Lost 0-2 | -181500 |
| top | average opponent: 1503record: 3-3 | new rating: 1500 | ||
| Grand Prix Pittsburgh 2018 (DOM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 198 | Toth, Donald (1500) | Won 2-1 | +181518 |
| 2standard | 76 | Benus, Leo (1557) | Lost 1-2 | -171501 |
| 3standard | 336 | Goldstein, Nathan (1455) | Won 2-0 | +171518 |
| 4standard | 135 | Haney, Alexander (1495) | Won 2-0 | +171535 |
| 5standard | 143 | Dent, Derrick (1582) | Lost 1-2 | -171518 |
| 6standard | 181 | May, Tony (1521) | Won 2-1 | +181536 |
| 7standard | 113 | Hoffmann, Matthew (1661) | Lost 0-2 | -151521 |
| 8standard | 177 | Grzelkowski, Stephan (1511) | Lost 0-2 | -191502 |
| top | average opponent: 1535record: 4-4 | new rating: 1502 | ||