Rubis, James
Current rating: 1503
Record: 4-4
| Grand Prix Phoenix 2020 (pioneer) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 106 | Rioux, Zachary (1539) | Lost 0-2 | -171483 |
| 2pioneer | 253 | Garcia, Obdulio (1444) | Won 2-1 | +171500 |
| 3pioneer | 277 | Siegel, Mickey (1504) | Lost 0-2 | -181482 |
| 4pioneer | 374 | Alley, Dean (1571) | Lost 1-2 | -161466 |
| 5pioneer | 381 | Hill, John (1465) | Lost 0-2 | -181448 |
| 6pioneer | 324 | Bradley, Justin (1443) | Won 2-0 | +181466 |
| 7pioneer | 258 | Ramsey, Eli (1442) | Won 2-0 | +171483 |
| 8pioneer | 192 | Hoshide, Naonari (1574) | Won 2-1 | +201503 |
| average opponent: 1498record: 4-4 | new rating: 1503 | |||